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Author SHA1 Message Date
otroubi fd4b17be0d debugging shaper 2026-07-27 19:25:09 +03:00
otroubi 806bab9520 add ram 2026-07-27 19:24:59 +03:00
otroubi 95540713e0 dma ram test 2026-07-27 19:24:47 +03:00
otroubi ee83bcbb9e debugging testbench 2026-07-22 22:07:03 +03:00
otroubi 8648747380 debugging a module and its wrappers 2026-07-22 22:06:44 +03:00
otroubi e06ef3a16b changing the addition of interfaces 2026-07-21 22:37:24 +03:00
otroubi c121c2c103 test environment for controller and dma project 2026-07-21 22:36:55 +03:00
otroubi 56c33d2769 makefile for test project 2026-07-21 22:35:32 +03:00
otroubi fc33aa6862 rtl: little changes 2026-07-21 14:07:44 +03:00
otroubi 490d3dcfd0 creation of project for dma tests 2026-07-20 17:29:15 +03:00
otroubi 1c2eccaf1d rtl: reconstruction of registers for dma 2026-07-20 17:28:48 +03:00
Phil 076ad542b2 test: add all controller tests 2026-07-14 20:07:52 +03:00
Phil e685a6a9fc fix: rework wrapper for tests 2026-07-14 20:07:34 +03:00
Phil c057890007 fix: invalid signals 2026-07-14 20:07:23 +03:00
otroubi 42df57be7d axis flat to if / if to flat correction 2026-07-14 19:24:25 +03:00
otroubi 606d1d7f1c little axis desc status correction 2026-07-14 19:07:32 +03:00
otroubi 8aefa4f3f6 axis dma desc and status interface 2026-07-14 18:39:48 +03:00
Phil 7cf727883f test: add proper cfg tests 2026-07-14 18:06:29 +03:00
Phil cec4c84fd9 fix: controller reg map invalid mapping 2026-07-14 17:43:47 +03:00
Phil 691e69693a infra: update makefile for cocotb 2026-07-14 16:48:45 +03:00
Phil e467700368 tests: update testbench for controller reg map 2026-07-14 16:34:35 +03:00
otroubi 984461afc0 shapper syntaxis corrected 2026-07-14 13:55:58 +03:00
otroubi 6c171c55d7 controller_wrapper_axil syntaxis corrected 2026-07-14 13:55:42 +03:00
otroubi c1031f6a26 DMA control module 2026-07-14 13:08:10 +03:00
otroubi d0f48ba513 controller_wrapper_axil with DMA control registers 2026-07-14 13:07:48 +03:00
Phil 19bade1c8c infra: update rtl_libs 2026-07-14 12:18:57 +03:00
Phil 0866b5da8d tests: add minimal tests for controller axi4l 2026-07-10 17:51:48 +03:00
Phil 126b66e4f5 fix: port names in axi4l reg_map 2026-07-10 17:51:30 +03:00
Phil 1ba94690d5 infra: update rtl libs 2026-07-10 17:34:37 +03:00
otroubi c0a2f0e403 add window_size register 2026-07-10 14:15:17 +03:00
otroubi 7bd1aa68da add window_sizereg and cfg_bus_valid_reg 2026-07-10 14:03:07 +03:00
otroubi 061f8fe12b debugged controller 2026-07-10 13:13:18 +03:00
otroubi 99a344d534 debugging controller 2026-07-08 17:53:25 +03:00
otroubi e7c45101d1 rst added 2026-07-08 12:51:38 +03:00
otroubi fc3134f2d8 controller's changes 2026-07-08 12:50:28 +03:00
otroubi a82140feda add send signal to start a dma transaction 2026-07-08 12:49:51 +03:00
otroubi bafd084f0d rtl: dma descriptor and status transmitter logic 2026-07-07 17:33:53 +03:00
otroubi d71655885c rtl: axil wrapper logic for controller 2026-07-07 17:33:25 +03:00
otroubi 56e31a6cc6 rtl: add window_size register 2026-07-07 17:32:42 +03:00
otroubi 14a1df8bae rtl: controller module deconstruction 2026-07-07 17:32:13 +03:00
otroubi a6ade44b4d rtl: eth remove 2026-07-03 16:28:08 +03:00
otroubi 14f4a5eb2a rtl: register map addition for DMA control 2026-06-30 17:13:00 +03:00
otroubi 1eb21b5087 rtl: controller adc_dac management register map 2026-06-30 13:12:51 +03:00
otroubi 9285ce42e1 infra: add submodule 2026-06-26 17:52:26 +03:00
53 changed files with 4170 additions and 3772 deletions
-5
View File
@@ -16,7 +16,6 @@
.Xil
xvlog.pb
*vivado_pid*
**/work/*
# some generated files (they annoy me)
update_config.tcl
@@ -28,7 +27,3 @@ run_sim.tcl
*.xsa
*.ltx
*.bin
# slang files
.slang
files.f
+3
View File
@@ -0,0 +1,3 @@
[submodule "external/rtl_libs"]
path = external/rtl_libs
url = https://git.radiophotonics.ru/baulin.fa/rtl_libs.git
-1
View File
@@ -27,7 +27,6 @@ XDC_FILES += ../../constraints/ax7102.xdc
XDC_FILES += debug.xdc
SYN_FILES += tb_sync_top.sv
SIM_TOP = tb_top
+7 -9
View File
@@ -1,12 +1,10 @@
# Primary clocks
create_clock -name geneartor_clk -period 8.000 [get_ports clk_dac]
create_clock -name sampler_clk -period 15.385 [get_ports clk_adc]
set_clock_groups -asynchronous -group [get_clocks geneartor_clk] -group [get_clocks sampler_clk]
create_clock -name eth_clk -period 8.000 [get_ports dac_clk_in]
create_clock -name acc_clk -period 15.385 [get_ports adc_clk_in]
# set_false_path -through [get_nets -hierarchical {*dac_signal* *internal_wire_singnal* *adc_singnal*}]
# set_false_path -through [get_nets {dac_done dac_done_stretched dac_request adc_done adc_request}]
set_property DONT_TOUCH true [get_cells -hierarchical -filter {NAME =~ *generator_inst*pulse_height_reg*}]
set_property DONT_TOUCH true [get_cells -hierarchical -filter {NAME =~ *generator_inst*dac_out_reg*}]
# Применяем к самому проводу сигнала CE, чтобы Vivado не дробила его
# set_property DONT_TOUCH true [get_nets -of_objects [get_pins -hierarchical -filter {PIN_NAME =~ *CE} -of_objects [get_cells *pulse_height_reg*]]]
# Asynchronous clock groups
set_clock_groups -name ASYNC_ETH_ACC -asynchronous \
-group [get_clocks eth_clk] \
-group [get_clocks acc_clk]
+77 -98
View File
@@ -2,137 +2,113 @@
module sync_top
#(
parameter int unsigned DAC_DATA_WIDTH = 14, // DAC bit-width
parameter int unsigned ADC_DATA_WIDTH = 12, // ADC bit-width
parameter int unsigned PACK_FACTOR = 1, // number of ADC readings per transaction
parameter int unsigned PROCESS_MODE = 0, // representation format of ADC readings (0 - direct code, 1 - 2's completment)
parameter int unsigned ZERO_LEVEL = 0,
parameter int unsigned USE_DELAY_LINE = 0
parameter int unsigned DAC_DATA_WIDTH = 14,
parameter int unsigned ADC_DATA_WIDTH = 12,
parameter int unsigned PACK_FACTOR = 1,
parameter int unsigned PROCESS_MODE = 0
)
(
input clk_adc,
input rst_adc,
input clk_dac,
input rst_dac,
input start,
input out_of_range,
input adc_clk_in,
input adc_rst,
input dac_clk_in,
input dac_rst,
input dac_start,
input [31:0] pulse_width,
input [31:0] pulse_period, // DAC counter limit
input [31:0] pulse_period,
input [DAC_DATA_WIDTH-1:0] pulse_height,
input [15:0] pulse_num,
input [31:0] smp_num, // ADC counter limit
output [ADC_DATA_WIDTH*PACK_FACTOR-1:0] m_axis_tdata,
output m_axis_tvalid
input [31:0] smp_num,
output logic [ADC_DATA_WIDTH*PACK_FACTOR-1:0] m_axis_tdata,
output logic m_axis_tvalid
);
//------------------------------------------------------------
// Internal signals
//------------------------------------------------------------
wire dac_done, dac_request, adc_done, adc_request;
wire [DAC_DATA_WIDTH-1:0] dac_signal;
wire [ADC_DATA_WIDTH-1:0] internal_wire_signal;
wire [ADC_DATA_WIDTH-1:0] adc_signal;
// 1. Адаптация разрядности и «заземление» лишних бит
generate
if (ADC_DATA_WIDTH > DAC_DATA_WIDTH) begin : g_pad_zeros
// АЦП шире ЦАП: добиваем нулями старшие биты
assign internal_wire_signal = { {(ADC_DATA_WIDTH - DAC_DATA_WIDTH){1'b0}}, dac_signal };
end
else if (ADC_DATA_WIDTH < DAC_DATA_WIDTH) begin : g_truncate
// ЦАП шире АЦП (например, 14 -> 12): забираем младшие биты
assign internal_wire_signal = dac_signal[DAC_DATA_WIDTH-1:DAC_DATA_WIDTH-ADC_DATA_WIDTH];
// (* mark_debug = "true" *) wire dummy;
// assign dummy = ^dac_signal;
end
else begin : g_match
// Разрядности равны
assign internal_wire_signal = dac_signal;
end
endgenerate
(* MARK_DEBUG="true" *) logic sample_req;
(* MARK_DEBUG="true" *) logic sample_req_sync1;
(* MARK_DEBUG="true" *) logic sample_req_sync2;
(* MARK_DEBUG="true" *) logic sample_req_sync3;
generate
if (USE_DELAY_LINE > 0) begin : g_delay_line
localparam int DELAY_LENGTH = USE_DELAY_LINE;
// Двумерный массив для линии задержки
logic [DELAY_LENGTH-1:0][ADC_DATA_WIDTH-1:0] signal_delay_line;
(* MARK_DEBUG="true" *) logic sample_done;
(* MARK_DEBUG="true" *) logic sample_done_sync1;
(* MARK_DEBUG="true" *) logic sample_done_sync2;
(* MARK_DEBUG="true" *) logic sample_done_sync3;
always_ff @(posedge clk_dac) begin
signal_delay_line[0] <= internal_wire_signal;
for (int i = 0; i < DELAY_LENGTH-1; i++) begin
signal_delay_line[i+1] <= signal_delay_line[i];
end
end
(* MARK_DEBUG="true" *) logic pulse;
(* MARK_DEBUG="true" *) logic [DAC_DATA_WIDTH-1:0] pulse_height_out;
// ИСПРАВЛЕНО: читаем из последнего элемента массива
assign adc_signal = signal_delay_line[DELAY_LENGTH-1];
end
else begin : g_no_delay
assign adc_signal = internal_wire_signal;
end
endgenerate
//------------------------------------------------------------
// Simple DAC -> ADC test source
//
// generator output is directly connected to sampler input
// with width truncation:
//
// pulse_height_out[13:0] -> data_in[11:0]
//------------------------------------------------------------
(* MARK_DEBUG="true" *) logic [ADC_DATA_WIDTH-1:0] data_in;
(* MARK_DEBUG="true" *) logic out_of_range;
assign data_in = pulse_height_out[ADC_DATA_WIDTH-1:0];
assign out_of_range = 1'b0;
//------------------------------------------------------------
// DAC -> ADC CDC
//------------------------------------------------------------
logic [2:0] stretch; // 125/65~=2. Чтобы поймать единичный импульс, растянем его во времени
logic [1:0] sync_DA;
wire dac_done_stretched;
always_ff @(posedge clk_dac or posedge rst_dac)
begin
if (rst_dac)
stretch <= 0;
always_ff @(posedge adc_clk_in or posedge adc_rst) begin
if (adc_rst) begin
sample_req <= 1'b0;
sample_req_sync2 <= 1'b0;
sample_req_sync3 <= 1'b0;
end
else begin
stretch[0] <= dac_done;
stretch[1] <= stretch[0];
stretch[2] <= stretch[1];
sample_req_sync2 <= sample_req_sync1;
sample_req_sync3 <= sample_req_sync2;
sample_req <= sample_req_sync3;
end
end
assign dac_done_stretched = |stretch;
always_ff @(posedge clk_adc or posedge rst_adc) begin
if (rst_adc)
sync_DA <= 0;
else begin
sync_DA[0] <= dac_done_stretched;
sync_DA[1] <= sync_DA[0];
end
end
assign adc_request = sync_DA[1];
//------------------------------------------------------------
// ADC -> DAC CDC
//------------------------------------------------------------
logic [1:0] sync_AD;
always_ff @(posedge clk_dac or posedge rst_dac) begin
if (rst_dac)
sync_AD <= 0;
always_ff @(posedge dac_clk_in or posedge dac_rst) begin
if (dac_rst) begin
sample_done <= 1'b0;
sample_done_sync2 <= 1'b0;
sample_done_sync3 <= 1'b0;
end
else begin
sync_AD[0] <= adc_done;
sync_AD[1] <= sync_AD[0];
sample_done_sync2 <= sample_done_sync1;
sample_done_sync3 <= sample_done_sync2;
sample_done <= sample_done_sync3;
end
end
assign dac_request = sync_AD[1];
//------------------------------------------------------------
// Generator
//------------------------------------------------------------
generator #(
.DATA_WIDTH(DAC_DATA_WIDTH),
.ZERO_LEVEL(ZERO_LEVEL)
.DATA_WIDTH(DAC_DATA_WIDTH)
) generator_inst (
.clk_dac(clk_dac),
.rst(rst_dac),
.start(start),
.clk_in(dac_clk_in),
.rst(dac_rst),
.start(dac_start),
.pulse_width(pulse_width),
.pulse_period(pulse_period),
.pulse_height(pulse_height),
.pulse_num(pulse_num),
.dac_out(dac_signal),
.request(dac_request),
.done(dac_done)
.sample_done(sample_done),
.pulse(pulse),
.pulse_height_out(pulse_height_out),
.sample_req(sample_req_sync1)
);
//------------------------------------------------------------
@@ -143,15 +119,18 @@ module sync_top
.PACK_FACTOR(PACK_FACTOR),
.PROCESS_MODE(PROCESS_MODE)
) sampler_inst (
.clk_in(clk_adc),
.rst(rst_adc),
.data_in(adc_signal),
.clk_in(adc_clk_in),
.rst(adc_rst),
.data_in(data_in),
.out_of_range(out_of_range),
.smp_num(smp_num),
.sample_req(sample_req),
.m_axis_tdata(m_axis_tdata),
.m_axis_tvalid(m_axis_tvalid),
.request(adc_request),
.done(adc_done)
.sample_done(sample_done_sync1)
);
endmodule
+115 -520
View File
@@ -2,50 +2,39 @@
module tb_top;
//------------------------------------------------------------
// Параметры
//------------------------------------------------------------
parameter string ZERO_LEVEL_PARAM = "logic"; // "logic" VS "true"
parameter VERBOSE = 1;
localparam DAC_DATA_WIDTH = 14;
localparam ADC_DATA_WIDTH = 12;
localparam PACK_FACTOR = 1;
localparam PROCESS_MODE = 0;
localparam CLK_DAC_PERIOD = 8;
localparam CLK_ADC_PERIOD = 15.385;
localparam USE_DELAY_LINE = 0;
localparam LOGIC_ZERO_LEVEL = 0; // DAC -5V for logic zero
localparam VOLTAGE_ZERO_LEVEL = 2**(DAC_DATA_WIDTH-1); // DAC 0V for logic zero
localparam ZERO_LEVEL = (ZERO_LEVEL_PARAM == "logic") ? LOGIC_ZERO_LEVEL : VOLTAGE_ZERO_LEVEL;
localparam CLOCK_DEVIATION = 3; // Maximum clock deviation of pulse stats
localparam DAC_DATA_WIDTH = 14;
localparam ADC_DATA_WIDTH = 12;
localparam PACK_FACTOR = 1;
localparam PROCESS_MODE = 0;
//------------------------------------------------------------
// Тактовые сигналы и сброс
// clocks / reset
//------------------------------------------------------------
logic clk_dac;
logic rst_dac;
logic clk_adc;
logic rst_adc;
logic adc_clk_in;
logic adc_rst;
logic dac_clk_in;
logic dac_rst;
//------------------------------------------------------------
// Управление и конфиг
// control
//------------------------------------------------------------
logic dac_start;
logic [31:0] pulse_width;
logic [31:0] pulse_period;
logic [DAC_DATA_WIDTH-1:0] pulse_height;
logic [15:0] pulse_num;
logic [31:0] smp_num;
logic [31:0] pulse_width;
logic [31:0] pulse_period;
logic [DAC_DATA_WIDTH-1:0] pulse_height;
logic [15:0] pulse_num;
logic [31:0] smp_num;
//------------------------------------------------------------
// Входы
// outputs
//------------------------------------------------------------
reg out_of_range;
//------------------------------------------------------------
// Выходы
//------------------------------------------------------------
wire [ADC_DATA_WIDTH*PACK_FACTOR-1:0] m_axis_tdata;
wire m_axis_tvalid;
logic [ADC_DATA_WIDTH*PACK_FACTOR-1:0] m_axis_tdata;
logic m_axis_tvalid;
integer valid_count;
//------------------------------------------------------------
// DUT
//------------------------------------------------------------
@@ -53,521 +42,127 @@ module tb_top;
.DAC_DATA_WIDTH(DAC_DATA_WIDTH),
.ADC_DATA_WIDTH(ADC_DATA_WIDTH),
.PACK_FACTOR(PACK_FACTOR),
.PROCESS_MODE(PROCESS_MODE),
.ZERO_LEVEL(ZERO_LEVEL),
.USE_DELAY_LINE(USE_DELAY_LINE)
.PROCESS_MODE(PROCESS_MODE)
) dut (
.clk_adc(clk_adc),
.clk_dac(clk_dac),
.rst_adc(rst_adc),
.rst_dac(rst_dac),
.start(dac_start),
.adc_clk_in(adc_clk_in),
.adc_rst(adc_rst),
.dac_clk_in(dac_clk_in),
.dac_rst(dac_rst),
.dac_start(dac_start),
.pulse_width(pulse_width),
.pulse_period(pulse_period),
.pulse_height(pulse_height),
.pulse_num(pulse_num),
.smp_num(smp_num),
.m_axis_tdata(m_axis_tdata),
.m_axis_tvalid(m_axis_tvalid),
.out_of_range(out_of_range)
.m_axis_tvalid(m_axis_tvalid)
);
// Тактовые сигналы
//------------------------------------------------------------
// ADC clock
//------------------------------------------------------------
initial begin
clk_adc = 0;
forever #(CLK_ADC_PERIOD/2) clk_adc = ~clk_adc;
end
initial begin
clk_dac = 0;
forever #(CLK_DAC_PERIOD/2) clk_dac = ~clk_dac;
adc_clk_in = 1'b0;
forever #5 adc_clk_in = ~adc_clk_in; // 100 MHz
end
// === Таски для тестирования ===
// Функция модуля
function automatic real fabs(real val);
return (val < 0.0) ? -val : val;
endfunction
`define MIN(x, y) (((x) < (y)) ? (x) : (y))
// Таска сброса DAC DUT
task automatic reset_dut_dac(
input int rst_duration // сколько тактов держать сброс
);
@(negedge clk_dac);
rst_dac <= 1;
repeat(rst_duration) @(negedge clk_dac);
rst_dac <= 0;
endtask
// Таска сброса ADC DUT
task automatic reset_dut_adc(
input int rst_duration // сколько тактов держать сброс
);
@(negedge clk_adc);
rst_adc <= 1;
repeat(rst_duration) @(negedge clk_adc);
rst_adc <= 0;
endtask
// Таска запуска DUT
task automatic start_dut(
input int start_duration // сколько тактов держать импульс
);
@(negedge clk_dac); // to make signal stable
dac_start <= 1;
repeat(start_duration) @(negedge clk_dac);
dac_start <= 0;
endtask
// Таска конфигурации DUT
task automatic set_config(
input logic [31:0] w, // ширина импульса
input logic [31:0] p, // период импульса
input logic [15:0] n, // количество импульсов
input logic [DAC_DATA_WIDTH-1:0] h, // высота импульса
input logic [31:0] sn // число сэмплов
);
// Задаем конфигурационные регистры
pulse_width <= w;
pulse_period <= p;
pulse_num <= n;
pulse_height <= h;
smp_num <= sn;
endtask
// Основная таска проверки DUT
task automatic run_test_case(
input int pulse_width,
input int pulse_period,
input int pulse_height,
input int pulse_num,
input int sample_num,
input bit skip_reset,
input bit randomize_start_timing,
input bit out_of_range_val,
input bit randomize_out_of_range
);
int error_flag = 0;
int start_hold_time = 1;
realtime sync_start_time, pulse_start_time, pulse_update_val_time;
realtime sync_time_stats[$], pulse_width_time_stats[$], pulse_period_time_stats[$], pulse_delay_time_stats[$];
realtime avearge_pulse_delay, average_pulse_width, average_pulse_period, average_sync_time;
out_of_range = out_of_range_val;
if (VERBOSE >= 2) begin
$display("[TB] -run_test_case- Starting test case");
end
if (randomize_out_of_range)
fork
begin : randomize_out_of_range_proc
forever begin
@(posedge clk_adc);
out_of_range = $urandom_range(0, 1);
end
end
join_none
if (!skip_reset)
fork
reset_dut_adc(1);
reset_dut_dac(1);
join
set_config(
.w(pulse_width),
.p(pulse_period),
.n(pulse_num),
.h(pulse_height),
.sn(sample_num)
);
@(posedge clk_dac);
@(posedge clk_dac);
if (randomize_start_timing)
start_hold_time = $urandom_range(1, 15);
fork // warning: check not forever
start_dut(start_hold_time);
begin
@(posedge clk_dac);
// старт первой синхронизации
sync_start_time = $realtime;
end
join_none
if (VERBOSE >= 2) begin
$display("[TB] -run_test_case- Starting pulse generation");
end
for (int i = 0; i < pulse_num; i++) begin
if (VERBOSE >= 3) begin
$display("[TB] -run_test_case- Start sync for pulse #%d", i);
end
@(posedge m_axis_tvalid);
if (VERBOSE >= 3) begin
$display("[TB] -run_test_case- Found valid pulse response data positive front");
end
// Старт цикла. Завершение синхронизации
sync_time_stats.push_back($realtime - sync_start_time);
pulse_start_time = $realtime;
fork
// Поток будет запущен для ненулевых импульсов и гарантированно завершится как только зафиксирует статистику импульса
// Начало импульса
if (pulse_height != ZERO_LEVEL && pulse_width != 0) begin
if (VERBOSE >= 4) begin
$display("[TB] -run_test_case- Wait until pulse become high");
end
wait(m_axis_tdata != ZERO_LEVEL);
// Фактическое начало импульса. Поступление высокого уровня
pulse_update_val_time = $realtime;
pulse_delay_time_stats.push_back(pulse_update_val_time - pulse_start_time);
// Проверим что высота импульса совпала с заданной. Т.к. OTR != 0 влияет на выходные данные сэмплера, то не будем проверять такие случаи.
@(posedge clk_adc);
#1.5; // Ожидание завершения переходных процессов
// Будем считать что из-за OTR данные изменились (по условию OTR + MSB), проверка пропускается, т.к. сложно понять точное значение OTR в момент обработки данных от tdata
if (m_axis_tdata != (pulse_height >> 2) && (randomize_out_of_range || out_of_range_val)) begin
$display("[ERROR] -run_test_case- Wrong pulse height: %d. Must be: %d", m_axis_tdata, pulse_height >> 2);
$finish;
end
if (VERBOSE >= 4) begin
$display("[TB] -run_test_case- Wait until pulse become low");
end
wait(m_axis_tdata == ZERO_LEVEL);
pulse_width_time_stats.push_back($realtime - pulse_update_val_time);
end
// Конец импульса
join_none
@(negedge m_axis_tvalid);
if (VERBOSE >= 3) begin
$display("[TB] -run_test_case- Found valid pulse response data negative front");
end
// Завершение цикла. Старт синхронизации
pulse_period_time_stats.push_back($realtime - pulse_start_time);
sync_start_time = $realtime;
end
if (VERBOSE >= 2) begin
$display("[TB] -run_test_case- Stop pulse generation");
end
fork // Проверка с таймаутом на лишние циклы
@(posedge m_axis_tvalid);
repeat(30) @(posedge clk_adc);
join_any
if (m_axis_tvalid == 1) begin
$display("[ERROR] -run_test_case- Extra pulse cycle num. More than must be.");
$finish;
end
if (VERBOSE >= 2) begin
$display("[TB] -run_test_case- Exit waiting via timeout");
end
if (randomize_out_of_range) begin
disable randomize_out_of_range_proc;
if (VERBOSE >= 2) begin
$display("[TB] -run_test_case- Stop randomize_out_of_range_proc");
end
end
out_of_range = 0;
// Проверка по статистике. Подсчет средних значений
if (pulse_delay_time_stats.size() != pulse_num && pulse_height != ZERO_LEVEL && pulse_width != 0 && !(randomize_out_of_range || out_of_range_val)) begin // Detected with pulse level. Skip if pulse level undetectable
$display("[ERROR] -run_test_case- Size of pulse_delay_time_stats samples not equal to pulse_num: %d VS %d", pulse_delay_time_stats.size(), pulse_num);
$finish;
end
if (pulse_width_time_stats.size() != pulse_num && pulse_height != ZERO_LEVEL && pulse_width != 0 && !(randomize_out_of_range || out_of_range_val)) begin // Detected with pulse level. Skip if pulse level undetectable
$display("[ERROR] -run_test_case- Size of pulse_width_time_stats samples not equal to pulse_num: %d VS %d", pulse_width_time_stats.size(), pulse_num);
$finish;
end
if (pulse_period_time_stats.size() != pulse_num) begin
$display("[ERROR] -run_test_case- Size of pulse_period_time_stats samples not equal to pulse_num: %d VS %d", pulse_period_time_stats.size(), pulse_num);
$finish;
end
if (sync_time_stats.size() != pulse_num) begin
$display("[ERROR] -run_test_case- Size of sync_time_stats samples not equal to pulse_num: %d VS %d", sync_time_stats.size(), pulse_num);
$finish;
end
avearge_pulse_delay = 0;
foreach (pulse_delay_time_stats[i])
avearge_pulse_delay += pulse_delay_time_stats[i];
avearge_pulse_delay /= pulse_num;
average_pulse_width = 0;
foreach (pulse_width_time_stats[i])
average_pulse_width += pulse_width_time_stats[i];
average_pulse_width /= pulse_num;
average_pulse_period = 0;
foreach (pulse_period_time_stats[i])
average_pulse_period += pulse_period_time_stats[i];
average_pulse_period /= pulse_num;
average_sync_time = 0;
foreach (sync_time_stats[i])
average_sync_time += sync_time_stats[i];
average_sync_time /= pulse_num;
if (VERBOSE >= 1) begin
$display("[TB] -run_test_case- Pulse test stats:\n\tavearge_pulse_delay: %0.3f\n\taverage_pulse_width: %0.3f\n\taverage_pulse_period: %0.3f\n\taverage_sync_time: %0.3f", avearge_pulse_delay, average_pulse_width, average_pulse_period, average_sync_time);
end
if (avearge_pulse_delay > CLOCK_DEVIATION * CLK_ADC_PERIOD) begin
$display("[ERROR] -run_test_case- avearge_pulse_delay too big: %0.3f", avearge_pulse_delay);
error_flag = 1;
end
if (fabs(average_pulse_width - pulse_width * CLK_DAC_PERIOD * (pulse_height != ZERO_LEVEL)) > CLOCK_DEVIATION * CLK_ADC_PERIOD && sample_num * CLK_ADC_PERIOD >= pulse_width * CLK_DAC_PERIOD) begin
$display("[ERROR] -run_test_case- average_pulse_width deviates from choosen pulse_width. Deviation: %0.3f > %0.3f ns", fabs(average_pulse_width - pulse_width * CLK_DAC_PERIOD), CLOCK_DEVIATION * CLK_ADC_PERIOD);
error_flag = 1;
end
if (fabs(average_pulse_period - sample_num * CLK_ADC_PERIOD) > CLOCK_DEVIATION * CLK_ADC_PERIOD) begin
$display("[ERROR] -run_test_case- average_pulse_period deviates from choosen pulse_width. Deviation: %0.3f > %0.3f ns", fabs(average_pulse_period - sample_num * CLK_ADC_PERIOD), CLOCK_DEVIATION * CLK_ADC_PERIOD);
error_flag = 1;
end
if (VERBOSE >= 2) begin
$display("[TB] -run_test_case- Pass error processing");
end
if (error_flag)
$finish;
if (VERBOSE >= 2) begin
$display("[TB] -run_test_case- Passed checks");
end
endtask
// Таска
// --- ОСНОВНОЙ ПРОЦЕСС ТЕСТИРОВАНИЯ ---
//------------------------------------------------------------
// DAC clock
//------------------------------------------------------------
initial begin
$display("[TB] Tests start");
dac_clk_in = 1'b0;
forever #8 dac_clk_in = ~dac_clk_in; // slower domain
end
//------------------------------------------------------------
// monitor output stream
//------------------------------------------------------------
always @(posedge adc_clk_in) begin
if (m_axis_tvalid) begin
valid_count = valid_count + 1;
$display("[%0t] VALID: data=%0d",
$time,
m_axis_tdata);
end
end
//------------------------------------------------------------
// test
//------------------------------------------------------------
initial begin
adc_rst = 1'b1;
dac_rst = 1'b1;
dac_start = 1'b0;
// Инициализация
dac_start = 0;
pulse_width = 0;
pulse_period = 0;
pulse_height = 0;
pulse_num = 0;
smp_num = 0;
out_of_range = 0;
rst_adc = 0;
rst_dac = 0;
#100; // init
valid_count = 0;
$display("[TB] Test 1. Simple test. (1/4)");
run_test_case(
.pulse_width(50),
.pulse_period(125),
.pulse_height(2**DAC_DATA_WIDTH-1),
.pulse_num(5),
.sample_num(65),
.skip_reset(0),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
$display("[TB] Test 1. Simple test. (2/4)");
run_test_case(
.pulse_width(25),
.pulse_period(125),
.pulse_height(2**(ADC_DATA_WIDTH-1)),
.pulse_num(10),
.sample_num(65),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
$display("[TB] Test 1. Simple test. (3/4)");
run_test_case(
.pulse_width(10),
.pulse_period(50),
.pulse_height(ZERO_LEVEL),
.pulse_num(4),
.sample_num(25),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
//--------------------------------------------------------
// reset
//--------------------------------------------------------
repeat (10) @(posedge adc_clk_in);
repeat (10) @(posedge dac_clk_in);
$display("[TB] Test 1. Simple test. (4/4)");
run_test_case(
.pulse_width(25),
.pulse_period(125),
.pulse_height(2**(DAC_DATA_WIDTH-1)),
.pulse_num(10),
.sample_num(65),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
$display("[TB] Test 1 complete");
adc_rst = 1'b0;
dac_rst = 1'b0;
$display("[TB] Test 2. Edge cases. Pulse width 0%%. (1/7)");
run_test_case(
.pulse_width(0),
.pulse_period(125),
.pulse_height(2**(ADC_DATA_WIDTH-1)),
.pulse_num(5),
.sample_num(65),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
$display("[TB] Test 2. Edge cases. Pulse width 100%%. (2/7)");
run_test_case(
.pulse_width(10),
.pulse_period(10),
.pulse_height(2**(ADC_DATA_WIDTH-1)),
.pulse_num(5),
.sample_num(65),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
$display("[TB] Test 2. Edge cases. Pulse height == ZERO_LEVEL. (3/7)");
run_test_case(
.pulse_width(10),
.pulse_period(125),
.pulse_height(ZERO_LEVEL),
.pulse_num(5),
.sample_num(65),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
$display("[TB] Test 2. Edge cases. Pulse num == 0. (4/7)");
run_test_case(
.pulse_width(10),
.pulse_period(125),
.pulse_height(2**(ADC_DATA_WIDTH-3)),
.pulse_num(0),
.sample_num(65),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
repeat (5) @(posedge dac_clk_in);
$display("[TB] Test 2. Edge cases. Sample num time << Pulse width time. (5/7)");
run_test_case(
.pulse_width(10),
.pulse_period(125),
.pulse_height(2**(ADC_DATA_WIDTH-1)),
.pulse_num(5),
.sample_num(2),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
//--------------------------------------------------------
// config
//--------------------------------------------------------
pulse_width = 32'd3;
pulse_period = 32'd8;
pulse_height = 14'd200;
pulse_num = 16'd4;
smp_num = 32'd8;
// Ожидание окончания работы генератора. Т.к. конец работы определяется по tvalid сэмплера, а он завершается сильно раньше. Чтобы не пропустить start следующей таски, ждем
wait(dut.generator_inst.enable == 0);
#50;
//--------------------------------------------------------
// start
//--------------------------------------------------------
@(posedge dac_clk_in);
dac_start = 1'b1;
$display("[TB] Test 2. Edge cases. Sample num == 0. (6/7)");
// Запустим в работу вручную, т.к. run_test_case обязательно ждет pulse num циклов. Детекция цикла производится по активности сэплера. Ее не должно быть при sample num = 0
set_config(
.w(10),
.p(125),
.h(2**(ADC_DATA_WIDTH-1)),
.n(5),
.sn(0)
);
start_dut(3);
fork
begin : wait_sampler_active_proc
@(posedge m_axis_tvalid);
$display("[ERROR] Sampler active with sample num == 0");
$finish;
end
begin
@(negedge dut.generator_inst.enable);
end
join_any
disable wait_sampler_active_proc;
repeat(30) @(posedge clk_adc);
@(posedge dac_clk_in);
dac_start = 1'b0;
// Данный тест должен приводить к тому, что сэмплер будет давать крайние значения вместо заданного pulse height из-за OTR=1
// Дописать авто тест
$display("[TB] Test 2. Edge cases. OTR == 1. (7/7)");
run_test_case(
.pulse_width(10),
.pulse_period(125),
.pulse_height(10), // goes to 0x0..
.pulse_num(5),
.sample_num(65),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(1),
.randomize_out_of_range(0)
);
$display("[TB] Test 2. Edge cases. OTR == 1. (7-2/7)");
run_test_case(
.pulse_width(10),
.pulse_period(125),
.pulse_height(14'b11010000000000), // goes to 0xff..
.pulse_num(5),
.sample_num(65),
.skip_reset(1),
.randomize_start_timing(1),
.out_of_range_val(1),
.randomize_out_of_range(0)
);
$display("[TB] Test 2 complete");
$display("==================================");
$display("TEST START");
$display("==================================");
$display("[TB] Test 3. Random tests");
for (int i = 0; i < 100; i++) begin
int r_w, r_p, r_n, r_h, r_sn;
bit r_skip, r_otr, r_otr_rand;
//--------------------------------------------------------
// wait
//--------------------------------------------------------
repeat (600) @(posedge adc_clk_in);
// Генерируем параметры
r_p = $urandom_range(50, 150); // Период от 5 до 50
r_w = $urandom_range(10, r_p); // Ширина не больше периода
r_n = $urandom_range(1, 10); // Количество импульсов
r_h = $urandom_range(0, 2**(`MIN(ADC_DATA_WIDTH, DAC_DATA_WIDTH))-1); // Высота импульса
r_sn = $urandom_range(2, 40); // Число сэмплов
r_skip = $urandom_range(0, 1); // Случайный сброс (0 - сброс, 1 - пропуск)
r_otr = 0; // Out Of Range стартовое значение
r_otr_rand = 0; // Сделать OTR случайным
if (VERBOSE >= 1)
$display("[TB] --- Test #%0d (Config: W=%0d, P=%0d, N=%0d, H=%0d, SN=%0d, SkipReset=%0b) ---",
i+1, r_w, r_p, r_n, r_h, r_sn, r_skip);
run_test_case(
.pulse_width(r_w),
.pulse_period(r_p),
.pulse_height(r_h),
.pulse_num(r_n),
.sample_num(r_sn),
.skip_reset(r_skip),
.randomize_start_timing(0),
.out_of_range_val(r_otr),
.randomize_out_of_range(r_otr_rand)
);
wait(dut.generator_inst.enable == 0); // Проверка на завершение работы
#50;
//--------------------------------------------------------
// check
//--------------------------------------------------------
if (valid_count > 0) begin
$display("==================================");
$display("TEST PASSED");
$display("valid_count = %0d", valid_count);
$display("==================================");
end
else begin
$display("==================================");
$display("TEST FAILED");
$display("No valid output detected");
$display("==================================");
end
$display("[TB] Test 3 complete");
$display("[TB] ALL PASSED");
$display("[TB] Maximum clock deviation of stats %0.2f", CLOCK_DEVIATION);
$finish;
end
@@ -0,0 +1,189 @@
// SPDX-License-Identifier: MIT
//
// SystemVerilog interface wrapper around alexforencich/verilog-axi axi_dma.v.
//
// AXI memory, AXI-Stream data, DMA descriptor, and DMA status channels are all
// exposed through compact interfaces. The original Forencich core remains
// untouched and is connected through local flat wires.
`default_nettype none
import dma_reg_pkg::*;
// DMA Specific wrappers & converters
module axi_dma_wrapper #(
parameter int unsigned AXI_DATA_WIDTH = 32,
parameter int unsigned AXI_STRB_WIDTH = AXI_DATA_WIDTH / 8,
parameter int unsigned AXI_ID_WIDTH = 8,
parameter int unsigned AXI_USER_WIDTH = 1,
parameter int unsigned AXI_MAX_BURST_LEN = 16,
parameter int unsigned AXIS_DATA_WIDTH = AXI_DATA_WIDTH,
parameter int unsigned AXIS_KEEP_ENABLE = AXIS_DATA_WIDTH > 8,
parameter int unsigned AXIS_KEEP_WIDTH = AXIS_DATA_WIDTH / 8,
parameter int unsigned AXIS_LAST_ENABLE = 1,
parameter int unsigned AXIS_ID_ENABLE = 1,
parameter int unsigned AXIS_DEST_ENABLE = 0,
parameter int unsigned AXIS_USER_ENABLE = 1,
parameter int unsigned ENABLE_SG = 0,
parameter int unsigned ENABLE_UNALIGNED = 0
)(
input logic clk,
input logic rst,
axis_if.slave s_axis_read_desc,
axis_if.master m_axis_read_desc_status,
axis_if.master m_axis_read_data,
axis_if.slave s_axis_write_desc,
axis_if.master m_axis_write_desc_status,
axis_if.slave s_axis_write_data,
axi4_if.master m_axi
);
dma_read_desc_t read_desc;
assign read_desc = dma_read_desc_t'(s_axis_read_desc.req.t.data);
dma_write_desc_t write_desc;
assign write_desc = dma_write_desc_t'(s_axis_write_desc.req.t.data);
dma_read_status_t read_status;
assign m_axis_read_desc_status.req.t.data = read_status;
logic m_axis_read_desc_status_valid;
assign m_axis_read_desc_status.req.t.valid = m_axis_read_desc_status_valid;
dma_write_status_t write_status;
assign m_axis_write_desc_status.req.t.data = write_status;
logic m_axis_write_desc_status_valid;
assign m_axis_write_desc_status.req.t.valid = m_axis_write_desc_status_valid;
// Original DMA: flat ports only.
axi_dma #(
.AXI_DATA_WIDTH (AXI_DATA_WIDTH),
.AXI_ADDR_WIDTH (dma_reg_pkg::AXI_ADDR_WIDTH),
.AXI_STRB_WIDTH (AXI_STRB_WIDTH),
.AXI_ID_WIDTH (AXI_ID_WIDTH),
.AXI_MAX_BURST_LEN (AXI_MAX_BURST_LEN),
.AXIS_DATA_WIDTH (AXIS_DATA_WIDTH),
.AXIS_KEEP_ENABLE (AXIS_KEEP_ENABLE),
.AXIS_KEEP_WIDTH (AXIS_KEEP_WIDTH),
.AXIS_LAST_ENABLE (AXIS_LAST_ENABLE),
.AXIS_ID_ENABLE (AXIS_ID_ENABLE),
.AXIS_ID_WIDTH (dma_reg_pkg::AXIS_ID_WIDTH),
.AXIS_DEST_ENABLE (AXIS_DEST_ENABLE),
.AXIS_DEST_WIDTH (dma_reg_pkg::AXIS_DEST_WIDTH),
.AXIS_USER_ENABLE (AXIS_USER_ENABLE),
.AXIS_USER_WIDTH (dma_reg_pkg::AXIS_USER_WIDTH),
.LEN_WIDTH (dma_reg_pkg::LEN_WIDTH),
.TAG_WIDTH (dma_reg_pkg::TAG_WIDTH),
.ENABLE_SG (ENABLE_SG),
.ENABLE_UNALIGNED (ENABLE_UNALIGNED)
) i_axi_dma (
.clk (clk),
.rst (rst),
.s_axis_read_desc_addr (read_desc.addr),
.s_axis_read_desc_len (read_desc.len),
.s_axis_read_desc_tag (read_desc.tag),
.s_axis_read_desc_id (read_desc.id),
.s_axis_read_desc_dest (read_desc.dest),
.s_axis_read_desc_user (read_desc.user),
.s_axis_read_desc_valid (s_axis_read_desc.req.t.valid),
.s_axis_read_desc_ready (s_axis_read_desc.resp.ready),
.m_axis_read_desc_status_tag (read_status.tag),
.m_axis_read_desc_status_error (read_status.error),
.m_axis_read_desc_status_valid (m_axis_read_desc_status_valid),
.m_axis_read_data_tdata (m_axis_read_data.req.t.data),
.m_axis_read_data_tkeep (m_axis_read_data.req.t.keep),
.m_axis_read_data_tvalid (m_axis_read_data.req.t.valid),
.m_axis_read_data_tready (m_axis_read_data.resp.ready),
.m_axis_read_data_tlast (m_axis_read_data.req.t.last),
.m_axis_read_data_tid (m_axis_read_data.req.t.id),
.m_axis_read_data_tdest (m_axis_read_data.req.t.dest),
.m_axis_read_data_tuser (m_axis_read_data.req.t.user),
.s_axis_write_desc_addr (write_desc.addr),
.s_axis_write_desc_len (write_desc.len),
.s_axis_write_desc_tag (write_desc.tag),
.s_axis_write_desc_valid (s_axis_write_desc.req.t.valid),
.s_axis_write_desc_ready (s_axis_write_desc.resp.ready),
.m_axis_write_desc_status_len (write_status.len),
.m_axis_write_desc_status_tag (write_status.tag),
.m_axis_write_desc_status_id (write_status.id),
.m_axis_write_desc_status_dest (write_status.dest),
.m_axis_write_desc_status_user (write_status.user),
.m_axis_write_desc_status_error (write_status.error),
.m_axis_write_desc_status_valid (m_axis_write_desc_status_valid),
.s_axis_write_data_tdata (s_axis_write_data.req.t.data),
.s_axis_write_data_tkeep (s_axis_write_data.req.t.keep),
.s_axis_write_data_tvalid (s_axis_write_data.req.t.valid),
.s_axis_write_data_tready (s_axis_write_data.resp.ready),
.s_axis_write_data_tlast (s_axis_write_data.req.t.last),
.s_axis_write_data_tid (s_axis_write_data.req.t.id),
.s_axis_write_data_tdest (s_axis_write_data.req.t.dest),
.s_axis_write_data_tuser (s_axis_write_data.req.t.user),
.m_axi_awid (m_axi.req.aw.id),
.m_axi_awaddr (m_axi.req.aw.addr),
.m_axi_awlen (m_axi.req.aw.len),
.m_axi_awsize (m_axi.req.aw.size),
.m_axi_awburst (m_axi.req.aw.burst),
.m_axi_awlock (m_axi.req.aw.lock),
.m_axi_awcache (m_axi.req.aw.cache),
.m_axi_awprot (m_axi.req.aw.prot),
.m_axi_awvalid (m_axi.req.aw.valid),
.m_axi_awready (m_axi.resp.aw_ready),
.m_axi_wdata (m_axi.req.w.data),
.m_axi_wstrb (m_axi.req.w.strb),
.m_axi_wlast ( m_axi.req.w.last),
.m_axi_wvalid (m_axi.req.w.valid),
.m_axi_wready (m_axi.resp.w_ready),
.m_axi_bid (m_axi.resp.b.id),
.m_axi_bresp (m_axi.resp.b.resp),
.m_axi_bvalid (m_axi.resp.b.valid),
.m_axi_bready (m_axi.req.b_ready),
.m_axi_arid (m_axi.req.ar.id),
.m_axi_araddr (m_axi.req.ar.addr),
.m_axi_arlen (m_axi.req.ar.len),
.m_axi_arsize (m_axi.req.ar.size),
.m_axi_arburst (m_axi.req.ar.burst),
.m_axi_arlock (m_axi.req.ar.lock),
.m_axi_arcache (m_axi.req.ar.cache),
.m_axi_arprot (m_axi.req.ar.prot),
.m_axi_arvalid (m_axi.req.ar.valid),
.m_axi_arready (m_axi.resp.ar_ready),
.m_axi_rid (m_axi.resp.r.id),
.m_axi_rdata (m_axi.resp.r.data),
.m_axi_rresp (m_axi.resp.r.resp),
.m_axi_rlast (m_axi.resp.r.last),
.m_axi_rvalid (m_axi.resp.r.valid),
.m_axi_rready (m_axi.req.r_ready),
.read_enable (1'b1),
.write_enable (1'b1),
.write_abort (1'b0)
);
endmodule : axi_dma_wrapper
`default_nettype wire
@@ -0,0 +1,60 @@
module axi_ram_wrapper
#(
parameter int unsigned DATA_WIDTH = 32,
parameter int unsigned ADDR_WIDTH = 16,
parameter int unsigned ID_WIDTH = 8,
parameter int unsigned PIPELINE_OUTPUT = 0
)
(
input logic clk,
input logic rst,
axi4_if.slave s_axi
);
axi_ram
#(
.DATA_WIDTH(DATA_WIDTH),
.ADDR_WIDTH(ADDR_WIDTH),
.ID_WIDTH(ID_WIDTH),
.PIPELINE_OUTPUT(PIPELINE_OUTPUT)
) axi_ram_inst
(
.clk(clk),
.rst(rst),
.s_axi_awid(s_axi.req.aw.id),
.s_axi_awaddr(s_axi.req.aw.addr),
.s_axi_awlen(s_axi.req.aw.len),
.s_axi_awsize(s_axi.req.aw.size),
.s_axi_awburst(s_axi.req.aw.burst),
.s_axi_awlock(s_axi.req.aw.lock),
.s_axi_awcache(s_axi.req.aw.cache),
.s_axi_awprot(s_axi.req.aw.prot),
.s_axi_awvalid(s_axi.req.aw.valid),
.s_axi_awready(s_axi.resp.aw_ready),
.s_axi_wdata(s_axi.req.w.data),
.s_axi_wstrb(s_axi.req.w.strb),
.s_axi_wlast(s_axi.req.w.last),
.s_axi_wvalid(s_axi.req.w.valid),
.s_axi_wready(s_axi.resp.w_ready),
.s_axi_bid(s_axi.resp.b.id),
.s_axi_bresp(s_axi.resp.b.resp),
.s_axi_bvalid(s_axi.resp.b.valid),
.s_axi_bready(s_axi.req.b_ready),
.s_axi_arid(s_axi.req.ar.id),
.s_axi_araddr(s_axi.req.ar.addr),
.s_axi_arlen(s_axi.req.ar.len),
.s_axi_arsize(s_axi.req.ar.size),
.s_axi_arburst(s_axi.req.ar.burst),
.s_axi_arlock(s_axi.req.ar.lock),
.s_axi_arcache(s_axi.req.ar.cache),
.s_axi_arprot(s_axi.req.ar.prot),
.s_axi_arvalid(s_axi.req.ar.valid),
.s_axi_arready(s_axi.resp.ar_ready),
.s_axi_rid(s_axi.resp.r.id),
.s_axi_rdata(s_axi.resp.r.data),
.s_axi_rresp(s_axi.resp.r.resp),
.s_axi_rlast(s_axi.resp.r.last),
.s_axi_rvalid(s_axi.resp.r.valid),
.s_axi_rready(s_axi.req.r_ready)
);
endmodule
@@ -0,0 +1,193 @@
import dma_reg_pkg::*;
module wrapper_controller_dma
#(
parameter int unsigned ADDR_W = 16,
parameter int unsigned DATA_W = 32,
parameter int unsigned USER_W = 1,
parameter int unsigned DAC_DATA_WIDTH = 12,
parameter int unsigned AXI_DATA_WIDTH = 32,
parameter int unsigned AXI_STRB_WIDTH = AXI_DATA_WIDTH / 8,
parameter int unsigned AXI_ID_WIDTH = 8,
parameter int unsigned AXI_USER_WIDTH = 1,
parameter int unsigned AXI_MAX_BURST_LEN = 16,
parameter int unsigned AXIS_DATA_WIDTH = AXI_DATA_WIDTH,
parameter int unsigned AXIS_KEEP_ENABLE = AXIS_DATA_WIDTH > 8,
parameter int unsigned AXIS_KEEP_WIDTH = AXIS_DATA_WIDTH / 8,
parameter int unsigned AXIS_LAST_ENABLE = 1,
parameter int unsigned AXIS_ID_ENABLE = 1,
parameter int unsigned AXIS_DEST_ENABLE = 0,
parameter int unsigned AXIS_USER_ENABLE = 1,
parameter int unsigned ENABLE_SG = 0,
parameter int unsigned ENABLE_UNALIGNED = 0,
parameter int unsigned PIPELINE_OUTPUT = 0
)
(
input logic ctrl_clk,
input logic dac_clk_in,
input logic adc_clk_in,
input logic rst_n,
axi4l_if.slave s_axil,
// adc_clk_in domain
input logic finish,
output logic [31:0] adc_window_size,
// dac_clk_in domain outputs
output logic [31:0] dac_pulse_width,
output logic [31:0] dac_pulse_period,
output logic [DAC_DATA_WIDTH-1:0] dac_pulse_height,
output logic [15:0] dac_pulse_num,
// adc_clk_in domain outputs
output logic [31:0] adc_pulse_period,
output logic [15:0] adc_pulse_num,
// pulse outputs
output logic dac_start,
output logic adc_start,
output logic dac_rst,
output logic adc_rst,
axis_if.master m_axis_read_data,
axis_if.slave s_axis_write_data
);
axis_if #(
.DATA_W($bits(dma_read_status_t)),
.KEEP_W(($bits(dma_read_status_t)+7)/8),
.ID_W(dma_reg_pkg::AXIS_ID_WIDTH),
.DEST_W(dma_reg_pkg::AXIS_DEST_WIDTH),
.USER_W(dma_reg_pkg::AXIS_USER_WIDTH)
) s_axis_status_read (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axis_if #(
.DATA_W($bits(dma_write_status_t)),
.KEEP_W(($bits(dma_write_status_t)+7)/8),
.ID_W(dma_reg_pkg::AXIS_ID_WIDTH),
.DEST_W(dma_reg_pkg::AXIS_DEST_WIDTH),
.USER_W(dma_reg_pkg::AXIS_USER_WIDTH)
) s_axis_status_write (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axis_if #(
.DATA_W($bits(dma_read_desc_t)),
.KEEP_W(($bits(dma_read_desc_t)+7)/8),
.ID_W(dma_reg_pkg::AXIS_ID_WIDTH),
.DEST_W(dma_reg_pkg::AXIS_DEST_WIDTH),
.USER_W(dma_reg_pkg::AXIS_USER_WIDTH)
) m_axis_desc_read (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axis_if #(
.DATA_W($bits(dma_write_desc_t)),
.KEEP_W(($bits(dma_write_desc_t)+7)/8),
.ID_W(dma_reg_pkg::AXIS_ID_WIDTH),
.DEST_W(dma_reg_pkg::AXIS_DEST_WIDTH),
.USER_W(dma_reg_pkg::AXIS_USER_WIDTH)
) m_axis_desc_write (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
controller_wrapper_axil
#(
.ADDR_W(ADDR_W),
.DATA_W(DATA_W),
.USER_W(USER_W),
.DAC_DATA_WIDTH(DAC_DATA_WIDTH)
)
controller_wrapper_axil_inst
(
.ctrl_clk(ctrl_clk),
.dac_clk_in(dac_clk_in),
.adc_clk_in(adc_clk_in),
.rst_n(rst_n),
.s_axil(s_axil),
.finish(finish),
.adc_window_size(adc_window_size),
.dac_pulse_width(dac_pulse_width),
.dac_pulse_period(dac_pulse_period),
.dac_pulse_height(dac_pulse_height),
.dac_pulse_num(dac_pulse_num),
.adc_pulse_period(adc_pulse_period),
.adc_pulse_num(adc_pulse_num),
.dac_start(dac_start),
.adc_start(adc_start),
.dac_rst(dac_rst),
.adc_rst(adc_rst),
.s_axis_status_read(s_axis_status_read),
.s_axis_status_write(s_axis_status_write),
.m_axis_desc_read(m_axis_desc_read),
.m_axis_desc_write(m_axis_desc_write)
);
axi4_if #(
.ADDR_W(dma_reg_pkg::AXI_ADDR_WIDTH),
.DATA_W(AXI_DATA_WIDTH),
.ID_W (AXI_ID_WIDTH),
.USER_W(AXI_USER_WIDTH)
) m_axi (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axi_dma_wrapper
#(
.AXI_DATA_WIDTH(AXI_DATA_WIDTH),
.AXI_STRB_WIDTH(AXI_STRB_WIDTH),
.AXI_USER_WIDTH(AXI_USER_WIDTH),
.AXI_MAX_BURST_LEN(AXI_MAX_BURST_LEN),
.AXIS_DATA_WIDTH(AXIS_DATA_WIDTH),
.AXIS_KEEP_ENABLE(AXIS_KEEP_ENABLE),
.AXIS_KEEP_WIDTH(AXIS_KEEP_WIDTH),
.AXIS_LAST_ENABLE(AXIS_LAST_ENABLE),
.AXIS_ID_ENABLE(AXIS_ID_ENABLE),
.AXIS_DEST_ENABLE(AXIS_DEST_ENABLE),
.AXIS_USER_ENABLE(AXIS_USER_ENABLE),
.ENABLE_SG(ENABLE_SG),
.ENABLE_UNALIGNED(ENABLE_UNALIGNED)
)
axi_dma_wrapper_inst
(
.clk(ctrl_clk),
.rst(!rst_n),
.s_axis_read_desc(m_axis_desc_read),
.m_axis_read_desc_status(s_axis_status_read),
.m_axis_read_data(m_axis_read_data),
.s_axis_write_desc(m_axis_desc_write),
.m_axis_write_desc_status(s_axis_status_write),
.s_axis_write_data(s_axis_write_data),
.m_axi(m_axi)
);
axi_ram_wrapper
#(
.DATA_WIDTH(AXI_DATA_WIDTH),
.ADDR_WIDTH(dma_reg_pkg::AXI_ADDR_WIDTH),
.ID_WIDTH(dma_reg_pkg::AXIS_ID_WIDTH),
.PIPELINE_OUTPUT(PIPELINE_OUTPUT)
) axi_ram_wrapper_inst
(
.clk(ctrl_clk),
.rst(!rst_n),
.s_axi(m_axi)
);
endmodule
@@ -0,0 +1,48 @@
TOPLEVEL_LANG = verilog
SIM ?= verilator
PWD := $(shell pwd)
WRAP_DIR = $(PWD)/../src
RTL_DIR = $(PWD)/../../controller/src
LIBS_DIR = $(PWD)/../../../external/rtl_libs
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axi_pkg.sv
VERILOG_SOURCES += $(RTL_DIR)/dma_reg_pkg.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axi_if.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/axi_reg/axi4l_reg_map.sv
VERILOG_SOURCES += $(LIBS_DIR)/external/verilog-axi/rtl/axi_dma_rd.v
VERILOG_SOURCES += $(LIBS_DIR)/external/verilog-axi/rtl/axi_dma_wr.v
VERILOG_SOURCES += $(LIBS_DIR)/external/verilog-axi/rtl/axi_dma.v
VERILOG_SOURCES += $(LIBS_DIR)/external/verilog-axi/rtl/axi_ram.v
VERILOG_SOURCES += $(RTL_DIR)/axi_ram_wrapper.sv
VERILOG_SOURCES += $(RTL_DIR)/controller.sv
VERILOG_SOURCES += $(RTL_DIR)/dma_controller.sv
VERILOG_SOURCES += $(RTL_DIR)/shaper_axis_desc.sv
VERILOG_SOURCES += $(RTL_DIR)/shaper_axis_status.sv
VERILOG_SOURCES += $(RTL_DIR)/controller_wrapper_axil.sv
VERILOG_SOURCES += $(RTL_DIR)/axi4l_reg_map_controller_pkg.sv
VERILOG_SOURCES += $(RTL_DIR)/axis_defaults_helper.sv
VERILOG_SOURCES += $(RTL_DIR)/axi4l_reg_map_controller.sv
VERILOG_SOURCES += $(WRAP_DIR)/wrapper_controller_dma.sv
VERILOG_SOURCES += $(WRAP_DIR)/axi_dma_wrapper_if.sv
VERILOG_SOURCES += $(PWD)/tb_controller_dma_wrapper_axil.sv
TOPLEVEL = tb_controller_dma_wrapper_axil
MODULE = test_controller_and_dma
ifeq ($(SIM),verilator)
EXTRA_ARGS += --trace --trace-structs
EXTRA_ARGS += -I$(LIBS_DIR)/axi/rtl/
COMPILE_ARGS += -Wno-fatal
COMPILE_ARGS += -I$(LIBS_DIR)/axi/rtl/
EXTRA_ARGS += --trace
EXTRA_ARGS += --trace-structs
EXTRA_ARGS += --public-flat-rw
EXTRA_ARGS += -Wno-fatal
EXTRA_ARGS += --timing
endif
include $(shell cocotb-config --makefiles)/Makefile.sim
@@ -0,0 +1,298 @@
import dma_reg_pkg::*;
module tb_controller_wrapper_axil #(
parameter int unsigned ADDR_W = 16,
parameter int unsigned DATA_W = 32,
parameter int unsigned USER_W = 1,
parameter int unsigned DAC_DATA_WIDTH = 12,
parameter int unsigned AXI_DATA_WIDTH = 32,
parameter int unsigned AXI_STRB_WIDTH = AXI_DATA_WIDTH / 8,
parameter int unsigned AXI_ID_WIDTH = 8,
parameter int unsigned AXI_USER_WIDTH = 1,
parameter int unsigned AXI_MAX_BURST_LEN = 16,
parameter int unsigned AXIS_DATA_WIDTH = AXI_DATA_WIDTH,
parameter int unsigned AXIS_KEEP_ENABLE = AXIS_DATA_WIDTH > 8,
parameter int unsigned AXIS_KEEP_WIDTH = AXIS_DATA_WIDTH / 8,
parameter int unsigned AXIS_LAST_ENABLE = 1,
parameter int unsigned AXIS_ID_ENABLE = 1,
parameter int unsigned AXIS_DEST_ENABLE = 0,
parameter int unsigned AXIS_USER_ENABLE = 1,
parameter int unsigned ENABLE_SG = 0,
parameter int unsigned ENABLE_UNALIGNED = 0
)(
input logic ctrl_clk,
input logic rst,
input logic [ADDR_W-1:0] s_axil_awaddr,
input logic [2:0] s_axil_awprot,
input logic s_axil_awvalid,
output logic s_axil_awready,
input logic [DATA_W-1:0] s_axil_wdata,
input logic [DATA_W/8-1:0] s_axil_wstrb,
input logic s_axil_wvalid,
output logic s_axil_wready,
output logic [1:0] s_axil_bresp,
output logic s_axil_bvalid,
input logic s_axil_bready,
input logic [ADDR_W-1:0] s_axil_araddr,
input logic [2:0] s_axil_arprot,
input logic s_axil_arvalid,
output logic s_axil_arready,
output logic [DATA_W-1:0] s_axil_rdata,
output logic [1:0] s_axil_rresp,
output logic s_axil_rvalid,
input logic s_axil_rready,
input wire [AXIS_DATA_WIDTH-1:0] s_axis_write_data_tdata,
input wire [AXIS_KEEP_WIDTH-1:0] s_axis_write_data_tkeep,
input wire s_axis_write_data_tvalid,
output wire s_axis_write_data_tready,
input wire s_axis_write_data_tlast,
input wire [AXIS_ID_WIDTH-1:0] s_axis_write_data_tid,
input wire [AXIS_DEST_WIDTH-1:0] s_axis_write_data_tdest,
input wire [AXIS_USER_WIDTH-1:0] s_axis_write_data_tuser,
output wire [AXIS_DATA_WIDTH-1:0] m_axis_read_data_tdata,
output wire [AXIS_KEEP_WIDTH-1:0] m_axis_read_data_tkeep,
output wire m_axis_read_data_tvalid,
input wire m_axis_read_data_tready,
output wire m_axis_read_data_tlast,
output wire [AXIS_ID_WIDTH-1:0] m_axis_read_data_tid,
output wire [AXIS_DEST_WIDTH-1:0] m_axis_read_data_tdest,
output wire [AXIS_USER_WIDTH-1:0] m_axis_read_data_tuser,
output wire [AXI_ID_WIDTH-1:0] m_axi_awid,
output wire [AXI_ADDR_WIDTH-1:0] m_axi_awaddr,
output wire [7:0] m_axi_awlen,
output wire [2:0] m_axi_awsize,
output wire [1:0] m_axi_awburst,
output wire m_axi_awlock,
output wire [3:0] m_axi_awcache,
output wire [2:0] m_axi_awprot,
output wire m_axi_awvalid,
input wire m_axi_awready,
output wire [AXI_DATA_WIDTH-1:0] m_axi_wdata,
output wire [AXI_STRB_WIDTH-1:0] m_axi_wstrb,
output wire m_axi_wlast,
output wire m_axi_wvalid,
input wire m_axi_wready,
input wire [AXI_ID_WIDTH-1:0] m_axi_bid,
input wire [1:0] m_axi_bresp,
input wire m_axi_bvalid,
output wire m_axi_bready,
output wire [AXI_ID_WIDTH-1:0] m_axi_arid,
output wire [AXI_ADDR_WIDTH-1:0] m_axi_araddr,
output wire [7:0] m_axi_arlen,
output wire [2:0] m_axi_arsize,
output wire [1:0] m_axi_arburst,
output wire m_axi_arlock,
output wire [3:0] m_axi_arcache,
output wire [2:0] m_axi_arprot,
output wire m_axi_arvalid,
input wire m_axi_arready,
input wire [AXI_ID_WIDTH-1:0] m_axi_rid,
input wire [AXI_DATA_WIDTH-1:0] m_axi_rdata,
input wire [1:0] m_axi_rresp,
input wire m_axi_rlast,
input wire m_axi_rvalid,
output wire m_axi_rready
);
logic rst_n;
assign rst_n = ~rst;
// Для минимального теста держим все clock domain-ы на одном clock.
logic dac_clk_in;
logic adc_clk_in;
assign dac_clk_in = ctrl_clk;
assign adc_clk_in = ctrl_clk;
logic finish;
assign finish = 1'b0;
// ---------------------------------------------------------------------------
// AXI-Lite flat -> axi4l_if
// ---------------------------------------------------------------------------
axi4l_if #(
.ADDR_W(ADDR_W),
.DATA_W(DATA_W),
.USER_W(USER_W)
) axil_bus (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axi4l_flat_to_if #(
.ADDR_W(ADDR_W),
.DATA_W(DATA_W),
.USER_W(USER_W)
) u_axil_flat_to_if (
.s_axil_awaddr (s_axil_awaddr),
.s_axil_awprot (s_axil_awprot),
.s_axil_awvalid(s_axil_awvalid),
.s_axil_awready(s_axil_awready),
.s_axil_wdata (s_axil_wdata),
.s_axil_wstrb (s_axil_wstrb),
.s_axil_wvalid (s_axil_wvalid),
.s_axil_wready (s_axil_wready),
.s_axil_bresp (s_axil_bresp),
.s_axil_bvalid (s_axil_bvalid),
.s_axil_bready (s_axil_bready),
.s_axil_araddr (s_axil_araddr),
.s_axil_arprot (s_axil_arprot),
.s_axil_arvalid(s_axil_arvalid),
.s_axil_arready(s_axil_arready),
.s_axil_rdata (s_axil_rdata),
.s_axil_rresp (s_axil_rresp),
.s_axil_rvalid (s_axil_rvalid),
.s_axil_rready (s_axil_rready),
.m_axil(axil_bus)
);
// ---------------------------------------------------------------------------
// AXIS interfaces for the updated controller_wrapper_axil
// ---------------------------------------------------------------------------
// AXIS READ DMA MASTER output
axis_if #(
.DATA_W (AXIS_DATA_WIDTH),
.KEEP_W (AXIS_KEEP_WIDTH),
.ID_W (AXIS_ID_WIDTH),
.DEST_W (AXIS_DEST_WIDTH),
.USER_W (AXIS_USER_WIDTH)
) dma_read_data (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
logic [AXIS_KEEP_WIDTH-1:0] unused_read_tstrb;
axis_if_to_flat #(
.DATA_W (AXIS_DATA_WIDTH),
.KEEP_W (AXIS_KEEP_WIDTH),
.ID_W (AXIS_ID_WIDTH),
.DEST_W (AXIS_DEST_WIDTH),
.USER_W (AXIS_USER_WIDTH)
) u_read_data_if_to_flat (
.s_axis(dma_read_data),
.m_axis_tdata (m_axis_read_data_tdata),
.m_axis_tkeep (m_axis_read_data_tkeep),
.m_axis_tstrb (unused_read_tstrb),
.m_axis_tlast (m_axis_read_data_tlast),
.m_axis_tid (m_axis_read_data_tid),
.m_axis_tdest (m_axis_read_data_tdest),
.m_axis_tuser (m_axis_read_data_tuser),
.m_axis_tvalid(m_axis_read_data_tvalid),
.m_axis_tready(m_axis_read_data_tready)
);
// AXIS WRITE DMA SLAVE input
axis_if #(
.DATA_W (AXIS_DATA_WIDTH),
.KEEP_W (AXIS_KEEP_WIDTH),
.ID_W (AXIS_ID_WIDTH),
.DEST_W (AXIS_DEST_WIDTH),
.USER_W (AXIS_USER_WIDTH)
) dma_write_data (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axis_flat_to_if #(
.DATA_W (AXIS_DATA_WIDTH),
.KEEP_W (AXIS_KEEP_WIDTH),
.ID_W (AXIS_ID_WIDTH),
.DEST_W (AXIS_DEST_WIDTH),
.USER_W (AXIS_USER_WIDTH)
) u_write_data_flat_to_if (
.s_axis_tdata (s_axis_write_data_tdata),
.s_axis_tkeep (s_axis_write_data_tkeep),
.s_axis_tstrb (s_axis_write_data_tkeep),
.s_axis_tlast (s_axis_write_data_tlast),
.s_axis_tid (s_axis_write_data_tid),
.s_axis_tdest (s_axis_write_data_tdest),
.s_axis_tuser (s_axis_write_data_tuser),
.s_axis_tvalid(s_axis_write_data_tvalid),
.s_axis_tready(s_axis_write_data_tready),
.m_axis(dma_write_data)
);
// Controller ADC/DAC outputs.
logic [31:0] adc_window_size;
logic [31:0] dac_pulse_width;
logic [31:0] dac_pulse_period;
logic [DAC_DATA_WIDTH-1:0] dac_pulse_height;
logic [15:0] dac_pulse_num;
logic [31:0] adc_pulse_period;
logic [15:0] adc_pulse_num;
logic dac_start;
logic adc_start;
logic dac_rst;
logic adc_rst;
wrapper_controller_dma #(
.ADDR_W(ADDR_W),
.DATA_W(DATA_W),
.USER_W(USER_W),
.DAC_DATA_WIDTH(DAC_DATA_WIDTH),
.AXI_DATA_WIDTH(AXI_DATA_WIDTH),
.AXI_ID_WIDTH(AXI_ID_WIDTH),
.AXI_USER_WIDTH(AXI_USER_WIDTH),
.AXI_MAX_BURST_LEN(AXI_MAX_BURST_LEN),
.AXIS_LAST_ENABLE(AXIS_LAST_ENABLE),
.AXIS_ID_ENABLE(AXIS_ID_ENABLE),
.AXIS_DEST_ENABLE(AXIS_DEST_ENABLE),
.AXIS_USER_ENABLE(AXIS_USER_ENABLE),
.ENABLE_SG(ENABLE_SG),
.ENABLE_UNALIGNED(ENABLE_UNALIGNED)
) dut (
.ctrl_clk(ctrl_clk),
.dac_clk_in(dac_clk_in),
.adc_clk_in(adc_clk_in),
.rst_n(rst_n),
.s_axil(axil_bus),
.finish(finish),
.adc_window_size(adc_window_size),
.dac_pulse_width(dac_pulse_width),
.dac_pulse_period(dac_pulse_period),
.dac_pulse_height(dac_pulse_height),
.dac_pulse_num(dac_pulse_num),
.adc_pulse_period(adc_pulse_period),
.adc_pulse_num(adc_pulse_num),
.dac_start(dac_start),
.adc_start(adc_start),
.dac_rst(dac_rst),
.adc_rst(adc_rst),
.m_axis_read_data(dma_read_data),
.s_axis_write_data(dma_write_data)
);
endmodule : tb_controller_wrapper_axil
@@ -0,0 +1,194 @@
import cocotb
from cocotb.clock import Clock
from cocotb.triggers import RisingEdge
from cocotbext.axi import AxiLiteBus, AxiLiteMaster
from cocotbext.axi import AxiBus, AxiRam, AxiStreamBus, AxiStreamSource, AxiStreamSink, AxiStreamFrame
# Register indexes from axi4l_reg_map_controller_pkg.sv
REG_CONTROL = 0
REG_STATUS = 1
REG_DAC_WIDTH = 2
REG_DAC_PERIOD = 3
REG_DAC_PULSE_NUM = 4
REG_DAC_PULSE_HEIGHT = 5
REG_ADC_PERIOD = 6
REG_WINDOW_SIZE = 7
REG_ERROR = 8
REG_DESC_READ_ADDR = 9
REG_DESC_READ_LEN = 10
REG_DESC_READ_CONFIG = 11
REG_READ_STATUS = 12
REG_DESC_WRITE_ADDR = 13
REG_DESC_WRITE_LEN_AND_TAG = 14
REG_STATUS_WRITE_LEN = 15
REG_STATUS_WRITE_CONFIG = 16
# REG_CONTROL pulse bits
CTRL_START = 0
CTRL_RST_SOFT = 1
CTRL_CFG_BUS_VALID = 2
CTRL_SEND_DESC_READ = 3
CTRL_SEND_DESC_WRITE = 4
CTRL_TAKE_STATUS_READ = 5
CTRL_TAKE_STATUS_WRITE = 6
def reg_addr(reg_index: int) -> int:
# AXI-Lite uses byte addresses, 32-bit registers are spaced by 4 bytes.
return reg_index * 4
def u32(value: int) -> bytes:
return int(value & 0xFFFFFFFF).to_bytes(4, "little")
class TB:
def __init__(self, dut):
self.dut = dut
cocotb.start_soon(Clock(dut.ctrl_clk, 10, units="ns").start())
self.axil = AxiLiteMaster(
AxiLiteBus.from_prefix(dut, "s_axil"),
dut.ctrl_clk,
dut.rst
)
self.axis_source = AxiStreamSource(
AxiStreamBus.from_prefix(dut, "s_axis_write_data"),
dut.ctrl_clk,
dut.rst
)
self.axis_sink = AxiStreamSink(
AxiStreamBus.from_prefix(dut, "m_axis_read_data"),
dut.ctrl_clk,
dut.rst
)
async def reset(self):
self.dut.rst.value = 1
for _ in range(5):
await RisingEdge(self.dut.ctrl_clk)
self.dut.rst.value = 0
for _ in range(5):
await RisingEdge(self.dut.ctrl_clk)
async def write_reg(self, reg_index: int, value: int):
await self.axil.write(reg_addr(reg_index), u32(value))
async def read_reg(self, reg_index: int) -> int:
resp = await self.axil.read(reg_addr(reg_index), 4)
return int.from_bytes(bytes(resp.data), "little")
@cocotb.test()
async def simple_axil_write_read(dut):
tb = TB(dut)
await tb.reset()
await tb.write_reg(REG_DAC_WIDTH, 0x0000_0123)
value = await tb.read_reg(REG_DAC_WIDTH)
assert value == 0x0000_0123
@cocotb.test()
async def simple_controller_config_write(dut):
tb = TB(dut)
await tb.reset()
await tb.write_reg(REG_DAC_WIDTH, 0x10)
await tb.write_reg(REG_DAC_PERIOD, 0x40)
await tb.write_reg(REG_DAC_PULSE_NUM, 3)
await tb.write_reg(REG_DAC_PULSE_HEIGHT, 0x7FF)
await tb.write_reg(REG_ADC_PERIOD, 0x80)
await tb.write_reg(REG_WINDOW_SIZE, 16)
assert await tb.read_reg(REG_DAC_WIDTH) == 0x10
assert await tb.read_reg(REG_WINDOW_SIZE) == 16
# write data: set cfg_bus_valid signal
await tb.write_reg(REG_CONTROL, 1 << CTRL_CFG_BUS_VALID)
# wait
for _ in range(30):
await RisingEdge(dut.ctrl_clk)
# check config
assert int(dut.dac_pulse_width) == 0x10
assert int(dut.dac_pulse_period) == 0x40
assert int(dut.dac_pulse_num) == 3
assert int(dut.dac_pulse_height) == 0x7FF
assert int(dut.adc_pulse_period) == 0x80
assert int(dut.adc_window_size) == 16
await RisingEdge(dut.ctrl_clk)
@cocotb.test()
async def simple_controller_start_check(dut):
tb = TB(dut)
await tb.reset()
await tb.write_reg(REG_CONTROL, 1 << CTRL_START)
await RisingEdge(dut.dac_start)
@cocotb.test()
async def simple_dma_mem_to_mem(dut):
tb = TB(dut)
await tb.reset()
SRC_ADDR = 0x1000
LENGTH = 8
tx_data = bytes([ 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88 ])
## write part
await tb.write_reg(REG_DESC_WRITE_ADDR, SRC_ADDR)
await tb.write_reg(REG_DESC_WRITE_LEN_AND_TAG, LENGTH)
await tb.write_reg(REG_CONTROL, 1 << CTRL_SEND_DESC_WRITE)
await tb.axis_source.send(AxiStreamFrame(tx_data))
for _ in range(20):
await RisingEdge(dut.ctrl_clk)
await tb.write_reg(REG_CONTROL, 1 << CTRL_TAKE_STATUS_WRITE)
for _ in range(10):
await RisingEdge(dut.ctrl_clk)
assert await tb.read_reg(REG_STATUS_WRITE_CONFIG) == 0
assert await tb.read_reg(REG_STATUS_WRITE_LEN) == 0x8
## read part
await tb.write_reg(REG_DESC_READ_ADDR, SRC_ADDR)
await tb.write_reg(REG_DESC_READ_LEN, LENGTH)
await tb.write_reg(REG_DESC_READ_CONFIG, 0x0000_0001)
await tb.write_reg(REG_CONTROL, 1 << CTRL_SEND_DESC_READ)
rx_frame = await tb.axis_sink.recv()
for _ in range(20):
await RisingEdge(dut.ctrl_clk)
await tb.write_reg(REG_CONTROL, 1 << CTRL_TAKE_STATUS_READ)
for _ in range(10):
await RisingEdge(dut.ctrl_clk)
assert await tb.read_reg(REG_READ_STATUS) == 0x1
assert bytes(rx_frame) == tx_data
@@ -0,0 +1,13 @@
# Primary clocks
create_clock -name eth_clk -period 8.000 [get_ports eth_clk_in]
create_clock -name dac_clk -period 7.692 [get_ports dac_clk_in]
create_clock -name adc_clk -period 15.385 [get_ports adc_clk_in]
# Asynchronous clock groups
# eth, dac, adc are independent domains
set_clock_groups -name ASYNC_ETH_DAC_ADC -asynchronous \
-group [get_clocks eth_clk] \
-group [get_clocks dac_clk] \
-group [get_clocks adc_clk]
-8
View File
@@ -10,21 +10,13 @@
FPGA_PART = xc7a100tfgg484-2
FPGA_TOP = reflectometer_top
FPGA_ARCH = artix7
SIM_TOP = reflectometer_tb
RTL_DIR = ../../rtl
include ../../scripts/vivado.mk
INC_FILES += interfaces.svh
TB_FILES += reflectometer_tb.sv
SYN_FILES += reflectometer.sv
SYN_FILES += dac_model.sv
SYN_FILES += adc_model.sv
SYN_FILES += reflectometer_tb.sv
SYN_FILES += $(sort $(shell find ../../rtl -type f \( -name '*.v' -o -name '*.sv' \)))
XCI_FILES = $(sort $(shell find ../../rtl/ethernet-udp/src -type f -name '*.xci'))
+8 -10
View File
@@ -86,15 +86,15 @@
Система работает в нескольких тактовых доменах:
- Ethernet RX (`clk_axis_control`)
- Ethernet TX (`clk_axis_accumulator`)
- DAC (`clk_generator`)
- ADC (`clk_sampler`)
- Ethernet RX (`gmii_rx_clk`)
- Ethernet TX (`gmii_tx_clk`)
- DAC (`dac_clk`)
- ADC (`adc_clk`)
Для корректной синхронизации между DAC и ADC используются специальные CDC-регистры для сигналов:
- `done`
- `request`
- `sample_req`
- `sample_done`
Это обеспечивает безопасную передачу handshake-сигналов между тактовыми доменами.
@@ -110,8 +110,8 @@
Типовые значения:
- `8192` — середина диапазона ЦАП (0V)
- `0` — нулевой уровень (-5V)
- `8192` — середина диапазона ЦАП
- `0` — нулевой уровень
### ADC_DATA_WIDTH
Ширина входных данных, получаемых с АЦП.
@@ -143,5 +143,3 @@
```make all``` - собрать все до битстрима
```make vivado``` - открыть проект в Vivado
```make sim``` - симуляция и верификация проекта
-59
View File
@@ -1,59 +0,0 @@
// AN9238 virtual ADC model (1 port)
module virtual_adc_model #(
parameter int unsigned ADC_DATA_WIDTH = 12,
// Bipolar input range: +/- VOLTAGE_RANGE
parameter real VOLTAGE_RANGE = 1.0,
// Analog input correction
parameter real VOLTAGE_GAIN = 0.2,
parameter real GROUND_BIAS = 0.0,
// ADC timing parameters
parameter time CONVERSION_DELAY = 250ps
)(
input logic clk_i,
input real voltage_i,
output logic otr_o,
output logic [ADC_DATA_WIDTH-1:0] data_o
);
localparam int unsigned ZERO_CODE = (1 << (ADC_DATA_WIDTH - 1));
localparam real VOLTAGE_STEP = (2 * VOLTAGE_RANGE) / real'((1 << ADC_DATA_WIDTH) - 1);
real voltage_corrected;
//------------------------------------------------------------
// Convert analog voltage to ADC code
//------------------------------------------------------------
function automatic logic [ADC_DATA_WIDTH-1:0] voltage_to_code( input real voltage );
if (voltage <= -VOLTAGE_RANGE) return '0;
if (voltage >= VOLTAGE_RANGE) return {ADC_DATA_WIDTH{1'b1}};
return $rtoi(voltage / VOLTAGE_STEP + real'((ZERO_CODE)) + 0.5);
endfunction
function automatic logic range_check( input real voltage );
real v_abs = (voltage < 0.0) ? -voltage : voltage;
return v_abs >= VOLTAGE_RANGE;
endfunction
//------------------------------------------------------------
// Initial state
//------------------------------------------------------------
initial begin
data_o = ZERO_CODE; // 0V
otr_o = 0;
end
//------------------------------------------------------------
// Update analog output
//------------------------------------------------------------
always @(posedge clk_i) begin
voltage_corrected = (voltage_i - GROUND_BIAS) * VOLTAGE_GAIN;
data_o <= #(CONVERSION_DELAY) voltage_to_code(voltage_corrected);
otr_o <= #(CONVERSION_DELAY) range_check(voltage_corrected);
end
endmodule
-58
View File
@@ -1,58 +0,0 @@
// AN9767 model (1 port)
module virtual_dac_model #(
parameter int unsigned DAC_DATA_WIDTH = 14,
// Bipolar output range: +/- VOLTAGE_RANGE
parameter real VOLTAGE_RANGE = 5.0,
// Analog output correction
parameter real VOLTAGE_GAIN = 1.0,
parameter real GROUND_BIAS = 0.0,
// DAC timing parameters
parameter time TRANSMISSION_DELAY = 150ps,
parameter time CONVERSION_DELAY = 150ps
)(
input logic clk_i,
input logic wrt_i,
input logic [DAC_DATA_WIDTH-1:0] data_i,
output real voltage_o
);
localparam int unsigned ZERO_CODE = (1 << (DAC_DATA_WIDTH - 1));
localparam real VOLTAGE_STEP = (2 * VOLTAGE_RANGE) / real'((1 << DAC_DATA_WIDTH) - 1);
logic [DAC_DATA_WIDTH-1:0] dac_code;
//------------------------------------------------------------
// Convert DAC code to analog voltage
//------------------------------------------------------------
function automatic real code_to_voltage( input logic [DAC_DATA_WIDTH-1:0] code);
return (int'(code) - int'(ZERO_CODE)) * VOLTAGE_STEP;
endfunction
//------------------------------------------------------------
// Initial state
//------------------------------------------------------------
initial begin
dac_code = '0;
voltage_o = code_to_voltage('0) * VOLTAGE_GAIN + GROUND_BIAS;
end
//------------------------------------------------------------
// Latch new DAC code
//------------------------------------------------------------
always @(posedge wrt_i) begin
dac_code <= #(TRANSMISSION_DELAY) data_i;
end
//------------------------------------------------------------
// Update analog output
//------------------------------------------------------------
always @(posedge clk_i) begin
voltage_o <= #(CONVERSION_DELAY) code_to_voltage(dac_code) * VOLTAGE_GAIN + GROUND_BIAS;
end
endmodule
+1 -9
View File
@@ -1,9 +1 @@
# Primary clocks
create_clock -name ref_clock -period 5.000 [get_ports clk_in]
create_clock -name phy_rx_clock -period 8.000 [get_ports clk_m_axis]
create_clock -name phy_tx_clock -period 8.000 [get_ports clk_s_axis]
set clk_125_name [get_clocks -of_objects [get_pins generator_inst/clk_dac_125]]
set clk_65_name [get_clocks -of_objects [get_pins accumulator_top_dut/clk_adc_65]]
set_clock_groups -asynchronous -group $clk_125_name -group $clk_65_name
set_clock_groups -name ASYNC_UDP_CTRL -asynchronous -group [get_clocks rgmii_rxc] -group [get_clocks clk_out1_clk_wiz_ctrl_inst] -group [get_clocks clk_out2_clk_wiz_ctrl_inst]
-130
View File
@@ -1,130 +0,0 @@
`ifndef AXIS_INTERFACE_SVH
`define AXIS_INTERFACE_SVH
interface axis_if #(
parameter int DATA_WIDTH = 8
)(
input logic clk,
input logic rst_n
);
// Сигналы шины AXI-Stream
logic [DATA_WIDTH-1:0] tdata;
logic tvalid;
logic tlast;
logic tready;
initial begin // Default values
tdata = 'x;
tvalid = 1'b0;
tlast = 1'b0;
tready = 1'b0;
end
// Master Clocking Block (для отправки данных из TB)
clocking drv_cb @(posedge clk);
default input #1step output #100ps;
output tdata, tvalid, tlast;
input tready;
endclocking
// Slave Clocking Block (для приема данных в TB с генерацией tready)
clocking slv_cb @(posedge clk);
default input #1step output #100ps;
input tdata, tvalid, tlast;
output tready;
endclocking
// Passive Monitor Clocking Block
clocking mon_cb @(posedge clk);
default input #1step;
input tdata, tvalid, tlast, tready;
endclocking
modport master (output tdata, tvalid, tlast, input tready);
modport slave (input tdata, tvalid, tlast, output tready);
// Модпорт для тестбенча с тасками
modport tb (
clocking drv_cb,
clocking slv_cb,
clocking mon_cb,
import master_send,
import slave_recv,
import monitor_recv
);
// Отправка пакета (Тестбенч выступает как Master)
task automatic master_send(input logic [DATA_WIDTH-1:0] payload[]);
if (payload.size() == 0) return;
@(drv_cb);
for (int i = 0; i < payload.size(); i++) begin
drv_cb.tdata <= payload[i];
drv_cb.tvalid <= 1'b1;
drv_cb.tlast <= (i == payload.size() - 1);
forever begin // Ждем подтверждение от слейва пока не получим
@(drv_cb);
if (drv_cb.tready === 1'b1) begin
break;
end
end
end
// Сбрасываем сигналы после отправки пакета
drv_cb.tvalid <= 1'b0;
drv_cb.tlast <= 1'b0;
drv_cb.tdata <= 'x;
endtask
// Прием пакета (Тестбенч выступает как Slave и управляет tready). Не применять если есть реальный Slave (его tready опустится насильно)
task automatic slave_recv(output logic [DATA_WIDTH-1:0] payload[]);
logic [DATA_WIDTH-1:0] local_queue[$]; // Внутри таски очередь использовать можно
slv_cb.tready <= 1'b1; // Показываем, что готовы принимать
forever begin
@(slv_cb);
if (slv_cb.tvalid === 1'b1) begin
local_queue.push_back(slv_cb.tdata);
if (slv_cb.tlast === 1'b1) begin
break; // Пакет закончился
end
end
end
slv_cb.tready <= 1'b0; // Снимаем готовность
// Перекладываем из очереди в динамический массив
payload = new[local_queue.size()](local_queue);
endtask
// Прием пакета (Тестбенч выступает как пассивный наблюдатель без tready)
task automatic monitor_recv(output logic [DATA_WIDTH-1:0] payload[]);
logic [DATA_WIDTH-1:0] local_queue[$]; // Внутри таски очередь использовать можно
forever begin
if (mon_cb.tready === 1'b1) begin
break; // Дождались слейва
end
@(slv_cb);
end
forever begin
@(mon_cb);
if (mon_cb.tvalid === 1'b1) begin
local_queue.push_back(mon_cb.tdata);
if (mon_cb.tlast === 1'b1) begin
break; // Пакет закончился
end
end
end
// Перекладываем из очереди в динамический массив
payload = new[local_queue.size()](local_queue);
endtask
endinterface
`endif // AXIS_INTERFACE_SVH`
@@ -3,8 +3,8 @@
"ip_inst": {
"xci_name": "clk_wiz_ctrl_inst",
"component_reference": "xilinx.com:ip:clk_wiz:6.0",
"ip_revision": "17",
"gen_directory": "../../../../reflectometer_top.gen/sources_1/ip/clk_wiz_ctrl_inst",
"ip_revision": "16",
"gen_directory": "../../../../eth_generator_top.gen/sources_1/ip/clk_wiz_ctrl_inst",
"parameters": {
"component_parameters": {
"Component_Name": [ { "value": "clk_wiz_ctrl_inst", "resolve_type": "user", "usage": "all" } ],
@@ -31,7 +31,7 @@
"USE_MIN_POWER": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"USE_DYN_PHASE_SHIFT": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"USE_DYN_RECONFIG": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"JITTER_SEL": [ { "value": "Min_O_Jitter", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"JITTER_SEL": [ { "value": "No_Jitter", "resolve_type": "user", "usage": "all" } ],
"PRIM_IN_FREQ": [ { "value": "200.000", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"PRIM_IN_TIMEPERIOD": [ { "value": "10.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"IN_FREQ_UNITS": [ { "value": "Units_MHz", "resolve_type": "user", "usage": "all" } ],
@@ -52,12 +52,12 @@
"CLKIN2_JITTER_PS": [ { "value": "100.0", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT1_USED": [ { "value": "true", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT2_USED": [ { "value": "true", "value_src": "user", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT3_USED": [ { "value": "true", "value_src": "user", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT4_USED": [ { "value": "true", "value_src": "user", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT3_USED": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT4_USED": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT5_USED": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT6_USED": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT7_USED": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"NUM_OUT_CLKS": [ { "value": "4", "value_src": "user", "resolve_type": "user", "format": "long", "usage": "all" } ],
"NUM_OUT_CLKS": [ { "value": "2", "value_src": "user", "resolve_type": "user", "format": "long", "usage": "all" } ],
"CLK_OUT1_USE_FINE_PS_GUI": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLK_OUT2_USE_FINE_PS_GUI": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLK_OUT3_USE_FINE_PS_GUI": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
@@ -65,11 +65,11 @@
"CLK_OUT5_USE_FINE_PS_GUI": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLK_OUT6_USE_FINE_PS_GUI": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLK_OUT7_USE_FINE_PS_GUI": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"PRIMARY_PORT": [ { "value": "clk_200", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT1_PORT": [ { "value": "clk_adc_65", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT2_PORT": [ { "value": "clk_adc_65_180", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT3_PORT": [ { "value": "clk_dac_125", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT4_PORT": [ { "value": "clk_dac_125_180", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"PRIMARY_PORT": [ { "value": "clk_in1", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT1_PORT": [ { "value": "clk_out1", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT2_PORT": [ { "value": "clk_out2", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT3_PORT": [ { "value": "clk_out3", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT4_PORT": [ { "value": "clk_out4", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT5_PORT": [ { "value": "clk_out5", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT6_PORT": [ { "value": "clk_out6", "resolve_type": "user", "usage": "all" } ],
"CLK_OUT7_PORT": [ { "value": "clk_out7", "resolve_type": "user", "usage": "all" } ],
@@ -84,17 +84,17 @@
"PSEN_PORT": [ { "value": "psen", "resolve_type": "user", "usage": "all" } ],
"PSINCDEC_PORT": [ { "value": "psincdec", "resolve_type": "user", "usage": "all" } ],
"PSDONE_PORT": [ { "value": "psdone", "resolve_type": "user", "usage": "all" } ],
"CLKOUT1_REQUESTED_OUT_FREQ": [ { "value": "65", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT1_REQUESTED_OUT_FREQ": [ { "value": "125", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT1_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT1_REQUESTED_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_REQUESTED_OUT_FREQ": [ { "value": "65", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_REQUESTED_PHASE": [ { "value": "180", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_REQUESTED_OUT_FREQ": [ { "value": "65.000", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_REQUESTED_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT3_REQUESTED_OUT_FREQ": [ { "value": "125", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT3_REQUESTED_OUT_FREQ": [ { "value": "100.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT3_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT3_REQUESTED_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_REQUESTED_OUT_FREQ": [ { "value": "125", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_REQUESTED_PHASE": [ { "value": "180", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_REQUESTED_OUT_FREQ": [ { "value": "100.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_REQUESTED_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT5_REQUESTED_OUT_FREQ": [ { "value": "100.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT5_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
@@ -115,14 +115,14 @@
"CLKOUT6_MATCHED_ROUTING": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT7_MATCHED_ROUTING": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"PRIM_SOURCE": [ { "value": "Single_ended_clock_capable_pin", "resolve_type": "user", "usage": "all" } ],
"CLKOUT1_DRIVES": [ { "value": "BUFGCE", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLKOUT2_DRIVES": [ { "value": "BUFGCE", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLKOUT3_DRIVES": [ { "value": "BUFGCE", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLKOUT4_DRIVES": [ { "value": "BUFGCE", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLKOUT5_DRIVES": [ { "value": "BUFGCE", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLKOUT6_DRIVES": [ { "value": "BUFGCE", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLKOUT7_DRIVES": [ { "value": "BUFGCE", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"FEEDBACK_SOURCE": [ { "value": "FDBK_AUTO", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"CLKOUT1_DRIVES": [ { "value": "BUFG", "resolve_type": "user", "usage": "all" } ],
"CLKOUT2_DRIVES": [ { "value": "BUFG", "resolve_type": "user", "usage": "all" } ],
"CLKOUT3_DRIVES": [ { "value": "BUFG", "resolve_type": "user", "usage": "all" } ],
"CLKOUT4_DRIVES": [ { "value": "BUFG", "resolve_type": "user", "usage": "all" } ],
"CLKOUT5_DRIVES": [ { "value": "BUFG", "resolve_type": "user", "usage": "all" } ],
"CLKOUT6_DRIVES": [ { "value": "BUFG", "resolve_type": "user", "usage": "all" } ],
"CLKOUT7_DRIVES": [ { "value": "BUFG", "resolve_type": "user", "usage": "all" } ],
"FEEDBACK_SOURCE": [ { "value": "FDBK_AUTO", "resolve_type": "user", "usage": "all" } ],
"CLKFB_IN_SIGNALING": [ { "value": "SINGLE", "resolve_type": "user", "usage": "all" } ],
"CLKFB_IN_PORT": [ { "value": "clkfb_in", "resolve_type": "user", "usage": "all" } ],
"CLKFB_IN_P_PORT": [ { "value": "clkfb_in_p", "resolve_type": "user", "usage": "all" } ],
@@ -141,7 +141,7 @@
"USE_CLK_VALID": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"USE_INCLK_STOPPED": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"USE_CLKFB_STOPPED": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"RESET_PORT": [ { "value": "resetn", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"RESET_PORT": [ { "value": "reset", "resolve_type": "user", "usage": "all" } ],
"LOCKED_PORT": [ { "value": "locked", "resolve_type": "user", "usage": "all" } ],
"POWER_DOWN_PORT": [ { "value": "power_down", "resolve_type": "user", "usage": "all" } ],
"CLK_VALID_PORT": [ { "value": "CLK_VALID", "resolve_type": "user", "usage": "all" } ],
@@ -154,34 +154,34 @@
"SS_MOD_TIME": [ { "value": "0.004", "resolve_type": "user", "format": "float", "usage": "all" } ],
"OVERRIDE_MMCM": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_NOTES": [ { "value": "None", "resolve_type": "user", "usage": "all" } ],
"MMCM_DIVCLK_DIVIDE": [ { "value": "5", "value_src": "user", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_BANDWIDTH": [ { "value": "HIGH", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"MMCM_CLKFBOUT_MULT_F": [ { "value": "34.125", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_DIVCLK_DIVIDE": [ { "value": "4", "value_src": "user", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_BANDWIDTH": [ { "value": "OPTIMIZED", "resolve_type": "user", "usage": "all" } ],
"MMCM_CLKFBOUT_MULT_F": [ { "value": "16.875", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKFBOUT_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKFBOUT_USE_FINE_PS": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_CLKIN1_PERIOD": [ { "value": "5.000", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKIN2_PERIOD": [ { "value": "10.000", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKIN2_PERIOD": [ { "value": "10.0", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT4_CASCADE": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_CLOCK_HOLD": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_COMPENSATION": [ { "value": "ZHOLD", "resolve_type": "user", "usage": "all" } ],
"MMCM_REF_JITTER1": [ { "value": "0.010", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_REF_JITTER2": [ { "value": "0.010", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_STARTUP_WAIT": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_CLKOUT0_DIVIDE_F": [ { "value": "21.000", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT0_DIVIDE_F": [ { "value": "6.750", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT0_DUTY_CYCLE": [ { "value": "0.500", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT0_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT0_USE_FINE_PS": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_CLKOUT1_DIVIDE": [ { "value": "21", "value_src": "user", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_CLKOUT1_DIVIDE": [ { "value": "13", "value_src": "user", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_CLKOUT1_DUTY_CYCLE": [ { "value": "0.500", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT1_PHASE": [ { "value": "180.000", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT1_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT1_USE_FINE_PS": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_CLKOUT2_DIVIDE": [ { "value": "11", "value_src": "user", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_CLKOUT2_DIVIDE": [ { "value": "1", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_CLKOUT2_DUTY_CYCLE": [ { "value": "0.500", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT2_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT2_USE_FINE_PS": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_CLKOUT3_DIVIDE": [ { "value": "11", "value_src": "user", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_CLKOUT3_DIVIDE": [ { "value": "1", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_CLKOUT3_DUTY_CYCLE": [ { "value": "0.500", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT3_PHASE": [ { "value": "180.000", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT3_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"MMCM_CLKOUT3_USE_FINE_PS": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"MMCM_CLKOUT4_DIVIDE": [ { "value": "1", "resolve_type": "user", "format": "long", "usage": "all" } ],
"MMCM_CLKOUT4_DUTY_CYCLE": [ { "value": "0.500", "resolve_type": "user", "format": "float", "usage": "all" } ],
@@ -223,8 +223,8 @@
"PLL_CLKOUT5_DIVIDE": [ { "value": "1", "resolve_type": "user", "format": "long", "usage": "all" } ],
"PLL_CLKOUT5_DUTY_CYCLE": [ { "value": "0.500", "resolve_type": "user", "format": "float", "usage": "all" } ],
"PLL_CLKOUT5_PHASE": [ { "value": "0.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"RESET_TYPE": [ { "value": "ACTIVE_LOW", "value_src": "user", "resolve_type": "user", "usage": "all" } ],
"USE_SAFE_CLOCK_STARTUP": [ { "value": "true", "value_src": "user", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"RESET_TYPE": [ { "value": "ACTIVE_HIGH", "resolve_type": "user", "usage": "all" } ],
"USE_SAFE_CLOCK_STARTUP": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"USE_CLOCK_SEQUENCING": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUT1_SEQUENCE_NUMBER": [ { "value": "1", "resolve_type": "user", "format": "long", "usage": "all" } ],
"CLKOUT2_SEQUENCE_NUMBER": [ { "value": "1", "resolve_type": "user", "format": "long", "usage": "all" } ],
@@ -245,14 +245,14 @@
"CDDCREQ_PORT": [ { "value": "cddcreq", "resolve_type": "user", "usage": "all" } ],
"ENABLE_CLKOUTPHY": [ { "value": "false", "resolve_type": "user", "format": "bool", "usage": "all" } ],
"CLKOUTPHY_REQUESTED_FREQ": [ { "value": "600.000", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT1_JITTER": [ { "value": "137.256", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT1_PHASE_ERROR": [ { "value": "148.044", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_JITTER": [ { "value": "137.256", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_PHASE_ERROR": [ { "value": "148.044", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT3_JITTER": [ { "value": "123.850", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT3_PHASE_ERROR": [ { "value": "148.044", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_JITTER": [ { "value": "123.850", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_PHASE_ERROR": [ { "value": "148.044", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT1_JITTER": [ { "value": "162.582", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT1_PHASE_ERROR": [ { "value": "137.238", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_JITTER": [ { "value": "185.296", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT2_PHASE_ERROR": [ { "value": "137.238", "value_src": "user", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT3_JITTER": [ { "value": "0.0", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT3_PHASE_ERROR": [ { "value": "0.0", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_JITTER": [ { "value": "0.0", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT4_PHASE_ERROR": [ { "value": "0.0", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT5_JITTER": [ { "value": "0.0", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT5_PHASE_ERROR": [ { "value": "0.0", "resolve_type": "user", "format": "float", "usage": "all" } ],
"CLKOUT6_JITTER": [ { "value": "0.0", "resolve_type": "user", "format": "float", "usage": "all" } ],
@@ -280,8 +280,8 @@
"C_Enable_PLL1": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_REF_CLK_FREQ": [ { "value": "100.0", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_PRECISION": [ { "value": "1", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_USED": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT4_USED": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT3_USED": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT4_USED": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT5_USED": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT6_USED": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT7_USED": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
@@ -295,9 +295,9 @@
"C_USE_PHASE_ALIGNMENT": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_PRIM_IN_JITTER": [ { "value": "0.010", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_SECONDARY_IN_JITTER": [ { "value": "0.010", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_JITTER_SEL": [ { "value": "Min_O_Jitter", "resolve_type": "generated", "usage": "all" } ],
"C_JITTER_SEL": [ { "value": "No_Jitter", "resolve_type": "generated", "usage": "all" } ],
"C_USE_MIN_POWER": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_MIN_O_JITTER": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_MIN_O_JITTER": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_MAX_I_JITTER": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_DYN_PHASE_SHIFT": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_OPTIMIZE_CLOCKING_STRUCTURE_EN": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
@@ -318,44 +318,44 @@
"C_SECONDARY_SOURCE": [ { "value": "Single_ended_clock_capable_pin", "resolve_type": "generated", "usage": "all" } ],
"C_CLKFB_IN_SIGNALING": [ { "value": "SINGLE", "resolve_type": "generated", "usage": "all" } ],
"C_USE_RESET": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_RESET_LOW": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_RESET_LOW": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_LOCKED": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_INCLK_STOPPED": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_CLKFB_STOPPED": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_POWER_DOWN": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_STATUS": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_FREEZE": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_NUM_OUT_CLKS": [ { "value": "4", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT1_DRIVES": [ { "value": "BUFGCE", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT2_DRIVES": [ { "value": "BUFGCE", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT3_DRIVES": [ { "value": "BUFGCE", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT4_DRIVES": [ { "value": "BUFGCE", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT5_DRIVES": [ { "value": "BUFGCE", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT6_DRIVES": [ { "value": "BUFGCE", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT7_DRIVES": [ { "value": "BUFGCE", "resolve_type": "generated", "usage": "all" } ],
"C_NUM_OUT_CLKS": [ { "value": "2", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT1_DRIVES": [ { "value": "BUFG", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT2_DRIVES": [ { "value": "BUFG", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT3_DRIVES": [ { "value": "BUFG", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT4_DRIVES": [ { "value": "BUFG", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT5_DRIVES": [ { "value": "BUFG", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT6_DRIVES": [ { "value": "BUFG", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT7_DRIVES": [ { "value": "BUFG", "resolve_type": "generated", "usage": "all" } ],
"C_INCLK_SUM_ROW0": [ { "value": "Input Clock Freq (MHz) Input Jitter (UI)", "resolve_type": "generated", "usage": "all" } ],
"C_INCLK_SUM_ROW1": [ { "value": "__primary_________200.000____________0.010", "resolve_type": "generated", "usage": "all" } ],
"C_INCLK_SUM_ROW2": [ { "value": "no_secondary_input_clock ", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW0A": [ { "value": " Output Output Phase Duty Cycle Pk-to-Pk Phase", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW0B": [ { "value": " Clock Freq (MHz) (degrees) (%) Jitter (ps) Error (ps)", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW1": [ { "value": "clk_adc_65__65.00000______0.000______50.0______137.256____148.044", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW2": [ { "value": "clk_adc_65_180__65.00000____180.000______50.0______137.256____148.044", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW3": [ { "value": "clk_dac_125__124.09091______0.000______50.0______123.850____148.044", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW4": [ { "value": "clk_dac_125_180__124.09091____180.000______50.0______123.850____148.044", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW1": [ { "value": "clk_out1__125.00000______0.000______50.0______162.582____137.238", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW2": [ { "value": "clk_out2__64.90385______0.000______50.0______185.296____137.238", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW3": [ { "value": "no_CLK_OUT3_output", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW4": [ { "value": "no_CLK_OUT4_output", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW5": [ { "value": "no_CLK_OUT5_output", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW6": [ { "value": "no_CLK_OUT6_output", "resolve_type": "generated", "usage": "all" } ],
"C_OUTCLK_SUM_ROW7": [ { "value": "no_CLK_OUT7_output", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT1_REQUESTED_OUT_FREQ": [ { "value": "65", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_REQUESTED_OUT_FREQ": [ { "value": "65", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_REQUESTED_OUT_FREQ": [ { "value": "125", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_REQUESTED_OUT_FREQ": [ { "value": "125", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT1_REQUESTED_OUT_FREQ": [ { "value": "125", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_REQUESTED_OUT_FREQ": [ { "value": "65.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_REQUESTED_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_REQUESTED_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT5_REQUESTED_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT6_REQUESTED_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT7_REQUESTED_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT1_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_REQUESTED_PHASE": [ { "value": "180", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_REQUESTED_PHASE": [ { "value": "180", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT5_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT6_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT7_REQUESTED_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
@@ -366,28 +366,28 @@
"C_CLKOUT5_REQUESTED_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT6_REQUESTED_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT7_REQUESTED_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT1_OUT_FREQ": [ { "value": "65.00000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_OUT_FREQ": [ { "value": "65.00000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_OUT_FREQ": [ { "value": "124.09091", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_OUT_FREQ": [ { "value": "124.09091", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT1_OUT_FREQ": [ { "value": "125.00000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_OUT_FREQ": [ { "value": "64.90385", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT5_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT6_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT7_OUT_FREQ": [ { "value": "100.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT1_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_PHASE": [ { "value": "180.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_PHASE": [ { "value": "180.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT5_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT6_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT7_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT1_DUTY_CYCLE": [ { "value": "50.0", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT2_DUTY_CYCLE": [ { "value": "50.0", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_DUTY_CYCLE": [ { "value": "50.0", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_DUTY_CYCLE": [ { "value": "50.0", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT3_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT4_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT5_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT6_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_CLKOUT7_DUTY_CYCLE": [ { "value": "50.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_USE_SAFE_CLOCK_STARTUP": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_SAFE_CLOCK_STARTUP": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_USE_CLOCK_SEQUENCING": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT1_SEQUENCE_NUMBER": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT2_SEQUENCE_NUMBER": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
@@ -397,21 +397,21 @@
"C_CLKOUT6_SEQUENCE_NUMBER": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_CLKOUT7_SEQUENCE_NUMBER": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_NOTES": [ { "value": "None", "resolve_type": "generated", "usage": "all" } ],
"C_MMCM_BANDWIDTH": [ { "value": "HIGH", "resolve_type": "generated", "usage": "all" } ],
"C_MMCM_CLKFBOUT_MULT_F": [ { "value": "34.125", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_BANDWIDTH": [ { "value": "OPTIMIZED", "resolve_type": "generated", "usage": "all" } ],
"C_MMCM_CLKFBOUT_MULT_F": [ { "value": "16.875", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKIN1_PERIOD": [ { "value": "5.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKIN2_PERIOD": [ { "value": "10.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKIN2_PERIOD": [ { "value": "10.0", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT4_CASCADE": [ { "value": "FALSE", "resolve_type": "generated", "format": "bool", "usage": "all" } ],
"C_MMCM_CLOCK_HOLD": [ { "value": "FALSE", "resolve_type": "generated", "format": "bool", "usage": "all" } ],
"C_MMCM_COMPENSATION": [ { "value": "ZHOLD", "resolve_type": "generated", "usage": "all" } ],
"C_MMCM_DIVCLK_DIVIDE": [ { "value": "5", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_DIVCLK_DIVIDE": [ { "value": "4", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_REF_JITTER1": [ { "value": "0.010", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_REF_JITTER2": [ { "value": "0.010", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_STARTUP_WAIT": [ { "value": "FALSE", "resolve_type": "generated", "usage": "all" } ],
"C_MMCM_CLKOUT0_DIVIDE_F": [ { "value": "21.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT1_DIVIDE": [ { "value": "21", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_CLKOUT2_DIVIDE": [ { "value": "11", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_CLKOUT3_DIVIDE": [ { "value": "11", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_CLKOUT0_DIVIDE_F": [ { "value": "6.750", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT1_DIVIDE": [ { "value": "13", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_CLKOUT2_DIVIDE": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_CLKOUT3_DIVIDE": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_CLKOUT4_DIVIDE": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_CLKOUT5_DIVIDE": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_MMCM_CLKOUT6_DIVIDE": [ { "value": "1", "resolve_type": "generated", "format": "long", "usage": "all" } ],
@@ -424,9 +424,9 @@
"C_MMCM_CLKOUT6_DUTY_CYCLE": [ { "value": "0.500", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKFBOUT_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT0_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT1_PHASE": [ { "value": "180.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT1_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT2_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT3_PHASE": [ { "value": "180.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT3_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT4_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT5_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_MMCM_CLKOUT6_PHASE": [ { "value": "0.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
@@ -468,16 +468,16 @@
"C_CLOCK_MGR_TYPE": [ { "value": "NA", "resolve_type": "generated", "usage": "all" } ],
"C_OVERRIDE_MMCM": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_OVERRIDE_PLL": [ { "value": "0", "resolve_type": "generated", "format": "long", "usage": "all" } ],
"C_PRIMARY_PORT": [ { "value": "clk_200", "resolve_type": "generated", "usage": "all" } ],
"C_PRIMARY_PORT": [ { "value": "clk_in1", "resolve_type": "generated", "usage": "all" } ],
"C_SECONDARY_PORT": [ { "value": "clk_in2", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT1_PORT": [ { "value": "clk_adc_65", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT2_PORT": [ { "value": "clk_adc_65_180", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT3_PORT": [ { "value": "clk_dac_125", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT4_PORT": [ { "value": "clk_dac_125_180", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT1_PORT": [ { "value": "clk_out1", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT2_PORT": [ { "value": "clk_out2", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT3_PORT": [ { "value": "clk_out3", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT4_PORT": [ { "value": "clk_out4", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT5_PORT": [ { "value": "clk_out5", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT6_PORT": [ { "value": "clk_out6", "resolve_type": "generated", "usage": "all" } ],
"C_CLK_OUT7_PORT": [ { "value": "clk_out7", "resolve_type": "generated", "usage": "all" } ],
"C_RESET_PORT": [ { "value": "resetn", "resolve_type": "generated", "usage": "all" } ],
"C_RESET_PORT": [ { "value": "reset", "resolve_type": "generated", "usage": "all" } ],
"C_LOCKED_PORT": [ { "value": "locked", "resolve_type": "generated", "usage": "all" } ],
"C_CLKFB_IN_PORT": [ { "value": "clkfb_in", "resolve_type": "generated", "usage": "all" } ],
"C_CLKFB_IN_P_PORT": [ { "value": "clkfb_in_p", "resolve_type": "generated", "usage": "all" } ],
@@ -540,12 +540,12 @@
"C_FILTER_1": [ { "value": "0000", "resolve_type": "generated", "usage": "all" } ],
"C_FILTER_2": [ { "value": "0000", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE1_AUTO": [ { "value": "1", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE2_AUTO": [ { "value": "1.0", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE3_AUTO": [ { "value": "0.5238095238095238", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE4_AUTO": [ { "value": "0.5238095238095238", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE5_AUTO": [ { "value": "0.047619047619047616", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE6_AUTO": [ { "value": "0.047619047619047616", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE7_AUTO": [ { "value": "0.047619047619047616", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE2_AUTO": [ { "value": "1.9259259259259258", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE3_AUTO": [ { "value": "0.14814814814814814", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE4_AUTO": [ { "value": "0.14814814814814814", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE5_AUTO": [ { "value": "0.14814814814814814", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE6_AUTO": [ { "value": "0.14814814814814814", "resolve_type": "generated", "usage": "all" } ],
"C_DIVIDE7_AUTO": [ { "value": "0.14814814814814814", "resolve_type": "generated", "usage": "all" } ],
"C_PLLBUFGCEDIV": [ { "value": "false", "resolve_type": "generated", "usage": "all" } ],
"C_MMCMBUFGCEDIV": [ { "value": "false", "resolve_type": "generated", "usage": "all" } ],
"C_PLLBUFGCEDIV1": [ { "value": "false", "resolve_type": "generated", "usage": "all" } ],
@@ -566,68 +566,66 @@
"C_CLKOUT5_MATCHED_ROUTING": [ { "value": "false", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT6_MATCHED_ROUTING": [ { "value": "false", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT7_MATCHED_ROUTING": [ { "value": "false", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT0_ACTUAL_FREQ": [ { "value": "65.00000", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT1_ACTUAL_FREQ": [ { "value": "65.00000", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT2_ACTUAL_FREQ": [ { "value": "124.09091", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT3_ACTUAL_FREQ": [ { "value": "124.09091", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT0_ACTUAL_FREQ": [ { "value": "125.00000", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT1_ACTUAL_FREQ": [ { "value": "64.90385", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT2_ACTUAL_FREQ": [ { "value": "100.000", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT3_ACTUAL_FREQ": [ { "value": "100.000", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT4_ACTUAL_FREQ": [ { "value": "100.000", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT5_ACTUAL_FREQ": [ { "value": "100.000", "resolve_type": "generated", "usage": "all" } ],
"C_CLKOUT6_ACTUAL_FREQ": [ { "value": "100.000", "resolve_type": "generated", "usage": "all" } ],
"C_M_MAX": [ { "value": "64.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_M_MIN": [ { "value": "2.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_D_MAX": [ { "value": "93.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_D_MAX": [ { "value": "80.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_D_MIN": [ { "value": "1.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_O_MAX": [ { "value": "128.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_O_MIN": [ { "value": "1.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_VCO_MIN": [ { "value": "600.000", "resolve_type": "generated", "format": "float", "usage": "all" } ],
"C_VCO_MAX": [ { "value": "1440.000", "resolve_type": "generated", "format": "float", "usage": "all" } ]
"C_VCO_MAX": [ { "value": "1200.000", "resolve_type": "generated", "format": "float", "usage": "all" } ]
},
"project_parameters": {
"ARCHITECTURE": [ { "value": "artix7", "resolve_type": "generated", "usage": "all" } ],
"BASE_BOARD_PART": [ { "value": "", "resolve_type": "generated", "usage": "all" } ],
"BOARD_CONNECTIONS": [ { "value": "", "resolve_type": "generated", "usage": "all" } ],
"DEVICE": [ { "value": "xc7a100t", "resolve_type": "generated", "usage": "all" } ],
"PACKAGE": [ { "value": "fgg484", "resolve_type": "generated", "usage": "all" } ],
"PREFHDL": [ { "value": "VERILOG", "resolve_type": "generated", "usage": "all" } ],
"SILICON_REVISION": [ { "value": "", "resolve_type": "generated", "usage": "all" } ],
"SIMULATOR_LANGUAGE": [ { "value": "MIXED", "resolve_type": "generated", "usage": "all" } ],
"SPEEDGRADE": [ { "value": "-2", "resolve_type": "generated", "usage": "all" } ],
"STATIC_POWER": [ { "value": "", "resolve_type": "generated", "usage": "all" } ],
"TEMPERATURE_GRADE": [ { "value": "", "resolve_type": "generated", "usage": "all" } ]
"ARCHITECTURE": [ { "value": "artix7" } ],
"BASE_BOARD_PART": [ { "value": "" } ],
"BOARD_CONNECTIONS": [ { "value": "" } ],
"DEVICE": [ { "value": "xc7a35t" } ],
"PACKAGE": [ { "value": "fgg484" } ],
"PREFHDL": [ { "value": "VERILOG" } ],
"SILICON_REVISION": [ { "value": "" } ],
"SIMULATOR_LANGUAGE": [ { "value": "MIXED" } ],
"SPEEDGRADE": [ { "value": "-1" } ],
"STATIC_POWER": [ { "value": "" } ],
"TEMPERATURE_GRADE": [ { "value": "" } ]
},
"runtime_parameters": {
"IPCONTEXT": [ { "value": "IP_Flow" } ],
"IPREVISION": [ { "value": "17" } ],
"IPREVISION": [ { "value": "16" } ],
"MANAGED": [ { "value": "TRUE" } ],
"OUTPUTDIR": [ { "value": "../../../../reflectometer_top.gen/sources_1/ip/clk_wiz_ctrl_inst" } ],
"OUTPUTDIR": [ { "value": "../../../../eth_generator_top.gen/sources_1/ip/clk_wiz_ctrl_inst" } ],
"SELECTEDSIMMODEL": [ { "value": "" } ],
"SHAREDDIR": [ { "value": "." } ],
"SWVERSION": [ { "value": "2025.2" } ],
"SWVERSION": [ { "value": "2025.1" } ],
"SYNTHESISFLOW": [ { "value": "OUT_OF_CONTEXT" } ]
}
},
"boundary": {
"ports": {
"resetn": [ { "direction": "in", "driver_value": "0" } ],
"clk_200": [ { "direction": "in" } ],
"clk_adc_65": [ { "direction": "out" } ],
"clk_adc_65_180": [ { "direction": "out" } ],
"clk_dac_125": [ { "direction": "out" } ],
"clk_dac_125_180": [ { "direction": "out" } ],
"reset": [ { "direction": "in", "driver_value": "0" } ],
"clk_in1": [ { "direction": "in" } ],
"clk_out1": [ { "direction": "out" } ],
"clk_out2": [ { "direction": "out" } ],
"locked": [ { "direction": "out" } ]
},
"interfaces": {
"resetn": {
"reset": {
"vlnv": "xilinx.com:signal:reset:1.0",
"abstraction_type": "xilinx.com:signal:reset_rtl:1.0",
"mode": "slave",
"parameters": {
"POLARITY": [ { "value": "ACTIVE_LOW", "value_src": "constant", "usage": "all" } ],
"POLARITY": [ { "value": "ACTIVE_HIGH", "value_src": "constant", "usage": "all" } ],
"BOARD.ASSOCIATED_PARAM": [ { "value": "RESET_BOARD_INTERFACE", "value_src": "constant", "usage": "all" } ],
"INSERT_VIP": [ { "value": "0", "resolve_type": "user", "format": "long", "usage": "simulation.rtl", "is_ips_inferred": true, "is_static_object": false } ]
},
"port_maps": {
"RST": [ { "physical_name": "resetn" } ]
"RST": [ { "physical_name": "reset" } ]
}
},
"clock_CLK_IN1": {
@@ -646,7 +644,7 @@
"BOARD.ASSOCIATED_PARAM": [ { "value": "CLK_IN1_BOARD_INTERFACE", "usage": "all", "is_static_object": false } ]
},
"port_maps": {
"CLK_IN1": [ { "physical_name": "clk_200" } ]
"CLK_IN1": [ { "physical_name": "clk_in1" } ]
}
},
"clock_CLK_OUT1": {
@@ -664,7 +662,7 @@
"INSERT_VIP": [ { "value": "0", "resolve_type": "user", "format": "long", "usage": "simulation.rtl", "is_ips_inferred": true, "is_static_object": false } ]
},
"port_maps": {
"CLK_OUT1": [ { "physical_name": "clk_adc_65" } ]
"CLK_OUT1": [ { "physical_name": "clk_out1" } ]
}
},
"clock_CLK_OUT2": {
@@ -682,47 +680,10 @@
"INSERT_VIP": [ { "value": "0", "resolve_type": "user", "format": "long", "usage": "simulation.rtl", "is_ips_inferred": true, "is_static_object": false } ]
},
"port_maps": {
"CLK_OUT2": [ { "physical_name": "clk_adc_65_180" } ]
}
},
"clock_CLK_OUT3": {
"vlnv": "xilinx.com:signal:clock:1.0",
"abstraction_type": "xilinx.com:signal:clock_rtl:1.0",
"mode": "master",
"parameters": {
"FREQ_HZ": [ { "value": "100000000", "resolve_type": "generated", "format": "long", "is_ips_inferred": true, "is_static_object": false } ],
"FREQ_TOLERANCE_HZ": [ { "value": "0", "resolve_type": "generated", "format": "long", "is_ips_inferred": true, "is_static_object": false } ],
"PHASE": [ { "value": "0.0", "resolve_type": "generated", "format": "float", "is_ips_inferred": true, "is_static_object": false } ],
"CLK_DOMAIN": [ { "value": "", "resolve_type": "generated", "is_ips_inferred": true, "is_static_object": false } ],
"ASSOCIATED_BUSIF": [ { "value": "", "resolve_type": "generated", "is_ips_inferred": true, "is_static_object": false } ],
"ASSOCIATED_PORT": [ { "value": "", "resolve_type": "generated", "is_ips_inferred": true, "is_static_object": false } ],
"ASSOCIATED_RESET": [ { "value": "", "resolve_type": "generated", "is_ips_inferred": true, "is_static_object": false } ],
"INSERT_VIP": [ { "value": "0", "resolve_type": "user", "format": "long", "usage": "simulation.rtl", "is_ips_inferred": true, "is_static_object": false } ]
},
"port_maps": {
"CLK_OUT3": [ { "physical_name": "clk_dac_125" } ]
}
},
"clock_CLK_OUT4": {
"vlnv": "xilinx.com:signal:clock:1.0",
"abstraction_type": "xilinx.com:signal:clock_rtl:1.0",
"mode": "master",
"parameters": {
"FREQ_HZ": [ { "value": "100000000", "resolve_type": "generated", "format": "long", "is_ips_inferred": true, "is_static_object": false } ],
"FREQ_TOLERANCE_HZ": [ { "value": "0", "resolve_type": "generated", "format": "long", "is_ips_inferred": true, "is_static_object": false } ],
"PHASE": [ { "value": "0.0", "resolve_type": "generated", "format": "float", "is_ips_inferred": true, "is_static_object": false } ],
"CLK_DOMAIN": [ { "value": "", "resolve_type": "generated", "is_ips_inferred": true, "is_static_object": false } ],
"ASSOCIATED_BUSIF": [ { "value": "", "resolve_type": "generated", "is_ips_inferred": true, "is_static_object": false } ],
"ASSOCIATED_PORT": [ { "value": "", "resolve_type": "generated", "is_ips_inferred": true, "is_static_object": false } ],
"ASSOCIATED_RESET": [ { "value": "", "resolve_type": "generated", "is_ips_inferred": true, "is_static_object": false } ],
"INSERT_VIP": [ { "value": "0", "resolve_type": "user", "format": "long", "usage": "simulation.rtl", "is_ips_inferred": true, "is_static_object": false } ]
},
"port_maps": {
"CLK_OUT4": [ { "physical_name": "clk_dac_125_180" } ]
"CLK_OUT2": [ { "physical_name": "clk_out2" } ]
}
}
}
}
},
"checksum": "3ec15bbf"
}
}
+218 -150
View File
@@ -1,115 +1,128 @@
`timescale 1 ns / 1 ns
`include "interfaces.svh"
module reflectometer_top #(
parameter int unsigned DAC_DATA_WIDTH = 14,
parameter int unsigned ADC_DATA_WIDTH = 12,
parameter int unsigned PACK_FACTOR = 1,
parameter int unsigned PROCESS_MODE = 0,
parameter int unsigned ZERO_LEVEL = 8192,
parameter int unsigned ACCUM_WIDTH = 32,
parameter int unsigned N_MAX = 4096,
parameter int unsigned PACKET_SIZE = 1024
parameter PACK_FACTOR = 1,
parameter PROCESS_MODE = 0,
parameter ZERO_LEVEL = 8192,
parameter ACCUM_WIDTH = 32,
parameter N_MAX = 4096,
parameter WINDOW_SIZE = 65,
parameter PACKET_SIZE = 1024
)(
input wire clk_in,
input wire rst_n,
output wire locked,
input sys_clk,
input rst_n,
// Accumulator AXI-S bus
input wire clk_axis_accumulator, // GMII PHY RX clock
axis_if.master axis_accumulator,
output [3:0] led,
// Control AXI-S bus
input wire clk_axis_control, // GMII PHY TX clock
axis_if.slave axis_control,
input wire [31:0] window_size, // New accum & old controller crutch
input gmii_rx_clk,
input gmii_tx_clk,
// Status signals
output wire workflow_done,
output wire processing_done,
(* MARK_DEBUG="true" *) output logic [7:0] s_axis_tx_tdata,
(* MARK_DEBUG="true" *) output logic s_axis_tx_tvalid,
(* MARK_DEBUG="true" *) input logic s_axis_tx_tready,
(* MARK_DEBUG="true" *) output logic s_axis_tx_tlast,
// RTL-MAC handshake
input wire request_ready,
output wire send_request,
(* MARK_DEBUG="true" *) input wire [7:0] m_axis_rx_tdata,
(* MARK_DEBUG="true" *) input wire m_axis_rx_tvalid,
(* MARK_DEBUG="true" *) input wire m_axis_rx_tlast,
(* MARK_DEBUG="true" *) output wire m_axis_rx_tready,
// axis_mac
(* MARK_DEBUG="true" *) input logic req_ready,
(* MARK_DEBUG="true" *) output logic send_req,
// DAC
output wire dac_clk_o,
output wire [DAC_DATA_WIDTH-1:0] dac_data,
output wire dac_wrt,
output wire p2_clk,
(* MARK_DEBUG="true" *) output wire [DAC_DATA_WIDTH-1:0] p2_data,
(* MARK_DEBUG="true" *) output wire p2_wrt,
// ADC
output wire adc_clk_o,
input wire [ADC_DATA_WIDTH-1:0] adc_data,
input wire adc_otr
output ch2_clk,
(* MARK_DEBUG="true" *) input [ADC_DATA_WIDTH-1:0] ch2_data,
input ch2_otr
);
// -------------------------------------------------------------------------
// Generated clocks for controller
// Need to create this IP in Vivado:
// input resetn
// input clk_200 : 200 MHz : Reference clock
// output clk_adc_65 : 65 MHz : ADC RTL clock
// output clk_adc_65_180 : 65 MHz, phase 180 deg. : ADC PHY clock
// output clk_adc_125 : 125 MHz : DAC RTL clock
// output clk_adc_125_180 : 125 MHz, phase 180 deg. : DAC PHY clock
// output locked
// IDELAYCTRL
// -------------------------------------------------------------------------
wire clk_sampler, clk_generator, clk_locked;
clk_wiz_ctrl_inst clk_wiz_inst
(
// Clock in ports
.clk_200(clk_in),
// Clock out ports
.clk_adc_65(clk_sampler),
.clk_adc_65_180(adc_clk_o),
.clk_dac_125(clk_generator),
.clk_dac_125_180(dac_clk_o),
// Status and control signals
.resetn(rst_n),
.locked(clk_locked)
(* IODELAY_GROUP = "rgmii_idelay_group" *)
IDELAYCTRL IDELAYCTRL_inst (
.RDY (),
.REFCLK (sys_clk),
.RST (1'b0)
);
assign locked = clk_locked;
// -------------------------------------------------------------------------
// Generated clocks for controller
// Need to create this IP in Vivado:
// input : 200 MHz
// output0: 130 MHz
// output1: 65 MHz
// -------------------------------------------------------------------------
wire dac_clk;
wire adc_clk;
wire clk_wiz_locked;
clk_wiz_ctrl_inst clk_wiz_ctrl_inst (
.clk_in1 (sys_clk),
.reset (~rst_n),
.clk_out1 (dac_clk), // 130 MHz
.clk_out2 (adc_clk), // 65 MHz
.locked (clk_wiz_locked)
);
// -------------------------------------------------------------------------
// axis_mac interface
// RX stream from Ethernet goes into controller
// TX stream is unused for now
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
// Controller reset
// Use both external reset and clk_wiz lock
// -------------------------------------------------------------------------
wire ctrl_rst_n = rst_n & clk_locked;
wire ctrl_rst_n = rst_n & clk_wiz_locked;
(* MARK_DEBUG="true" *) logic finish;
// Controller outputs to debug
(* MARK_DEBUG="true" *) wire [31:0] dac_pulse_width;
(* MARK_DEBUG="true" *) wire [31:0] dac_pulse_period;
(* MARK_DEBUG="true" *) wire [DAC_DATA_WIDTH-1:0] dac_pulse_height;
(* MARK_DEBUG="true" *) wire [15:0] dac_pulse_num;
(* MARK_DEBUG="true" *) wire [31:0] adc_pulse_period;
(* MARK_DEBUG="true" *) wire [15:0] adc_pulse_num;
(* MARK_DEBUG="true" *) wire dac_start;
(* MARK_DEBUG="true" *) wire adc_start;
(* MARK_DEBUG="true" *) wire dac_rst;
(* MARK_DEBUG="true" *) wire adc_rst;
// -------------------------------------------------------------------------
// Controller
// ETH domain = gmii_rx_clk, because RX AXI master comes from axis_mac RX side
// -------------------------------------------------------------------------
wire [31:0] dac_pulse_width;
wire [31:0] dac_pulse_period;
wire [DAC_DATA_WIDTH-1:0] dac_pulse_height;
wire [15:0] dac_pulse_num;
wire [31:0] adc_pulse_period;
wire [15:0] adc_pulse_num;
wire dac_start;
wire adc_start;
wire dac_rst;
wire adc_rst;
wire finish;
control #(
.DAC_DATA_WIDTH(DAC_DATA_WIDTH)
) udp_ctrl_inst (
.eth_clk_in (clk_axis_control),
.dac_clk_in (clk_generator),
.adc_clk_in (clk_sampler),
.eth_clk_in (gmii_rx_clk),
.dac_clk_in (dac_clk),
.adc_clk_in (adc_clk),
.rst_n (ctrl_rst_n),
.s_axis_tdata (axis_control.tdata),
.s_axis_tvalid (axis_control.tvalid),
.s_axis_tready (axis_control.tready),
.s_axis_tlast (axis_control.tlast),
.s_axis_tdata (m_axis_rx_tdata),
.s_axis_tvalid (m_axis_rx_tvalid),
.s_axis_tready (m_axis_rx_tready),
.s_axis_tlast (m_axis_rx_tlast),
.finish (finish),
@@ -128,125 +141,180 @@ module reflectometer_top #(
.adc_rst (adc_rst)
);
//------------------------------------------------------------
// -------------------------------------------------------------------------
// DAC
// -------------------------------------------------------------------------
(* MARK_DEBUG="true" *) logic sample_req;
(* MARK_DEBUG="true" *) logic sample_req_sync1;
(* MARK_DEBUG="true" *) logic sample_req_sync2;
(* MARK_DEBUG="true" *) logic sample_req_sync3;
(* MARK_DEBUG="true" *) logic sample_done;
(* MARK_DEBUG="true" *) logic sample_done_sync1;
(* MARK_DEBUG="true" *) logic sample_done_sync2;
(* MARK_DEBUG="true" *) logic sample_done_sync3;
//------------------------------------------------------------
// DAC -> ADC CDC
//------------------------------------------------------------
(* ASYNC_REG = "TRUE" *) logic [2:0] stretch; // 125/65~=2. Чтобы поймать единичный импульс, растянем его во времени
(* ASYNC_REG = "TRUE" *) logic [1:0] sync_DA;
wire dac_done_stretched;
wire generator_done, generator_request;
wire sampler_done, sampler_request;
always_ff @(posedge clk_generator or posedge dac_rst)
begin
if (dac_rst)
stretch <= 0;
always_ff @(posedge adc_clk or posedge adc_rst) begin
if (adc_rst) begin
sample_req <= 1'b0;
sample_req_sync2 <= 1'b0;
sample_req_sync3 <= 1'b0;
end
else begin
stretch[0] <= generator_done;
stretch[1] <= stretch[0];
stretch[2] <= stretch[1];
sample_req_sync2 <= sample_req_sync1;
sample_req_sync3 <= sample_req_sync2;
sample_req <= sample_req_sync3;
end
end
assign dac_done_stretched = |stretch;
always_ff @(posedge clk_sampler or posedge adc_rst) begin
if (adc_rst)
sync_DA <= 0;
else begin
sync_DA[0] <= dac_done_stretched;
sync_DA[1] <= sync_DA[0];
end
end
assign sampler_request = sync_DA[1];
//------------------------------------------------------------
//------------------------------------------------------------
// ADC -> DAC CDC
//------------------------------------------------------------
(* ASYNC_REG = "TRUE" *) logic [1:0] sync_AD;
always_ff @(posedge clk_generator or posedge dac_rst) begin
if (dac_rst)
sync_AD <= 0;
always_ff @(posedge dac_clk or posedge dac_rst) begin
if (dac_rst) begin
sample_done <= 1'b0;
sample_done_sync2 <= 1'b0;
sample_done_sync3 <= 1'b0;
end
else begin
sync_AD[0] <= sampler_done;
sync_AD[1] <= sync_AD[0];
sample_done_sync2 <= sample_done_sync1;
sample_done_sync3 <= sample_done_sync2;
sample_done <= sample_done_sync3;
end
end
assign generator_request = sync_AD[1];
//------------------------------------------------------------
// Generator
//------------------------------------------------------------
// Generator (DAC)
//------------------------------------------------------------
generator #(
.DATA_WIDTH(DAC_DATA_WIDTH),
.ZERO_LEVEL(ZERO_LEVEL)
) generator_inst (
.clk_dac(clk_generator),
.clk_in(dac_clk),
.rst(dac_rst),
.start(dac_start),
.pulse_width(dac_pulse_width),
.pulse_period(dac_pulse_period),
.pulse_height(dac_pulse_height),
.pulse_num(dac_pulse_num),
.dac_out(dac_data),
.done(generator_done),
.request(generator_request)
.pulse(p2_wrt),
.pulse_height_out(p2_data),
.sample_done(sample_done),
.sample_req(sample_req_sync1)
);
assign dac_wrt = dac_clk_o;
// -------------------------------------------------------------------------
// Sampler (ADC)
// -------------------------------------------------------------------------
wire [ADC_DATA_WIDTH*PACK_FACTOR-1:0] sampler_m_axis_tdata;
wire sampler_m_axis_tvalid;
wire ch2_clk_oddr;
sampler #(
ODDR #(
.DDR_CLK_EDGE("SAME_EDGE"),
.INIT(1'b0),
.SRTYPE("SYNC")
) ODDR_ch2_clk (
.Q (ch2_clk_oddr),
.C (adc_clk),
.CE(1'b1),
.D1(1'b1),
.D2(1'b0),
.R (1'b0),
.S (1'b0)
);
OBUF OBUF_ch2_clk (
.I(ch2_clk_oddr),
.O(ch2_clk)
);
wire p2_clk_oddr;
ODDR #(
.DDR_CLK_EDGE("SAME_EDGE"),
.INIT(1'b0),
.SRTYPE("SYNC")
) ODDR_p2_clk (
.Q (p2_clk_oddr),
.C (dac_clk),
.CE(1'b1),
.D1(1'b1),
.D2(1'b0),
.R (1'b0),
.S (1'b0)
);
OBUF OBUF_p2_clk (
.I(p2_clk_oddr),
.O(p2_clk)
);
// -------------------------------------------------------------------------
// ADC
// -------------------------------------------------------------------------
(* MARK_DEBUG="true" *) logic [ADC_DATA_WIDTH*PACK_FACTOR-1:0] accum_m_axis_tdata;
(* MARK_DEBUG="true" *) logic acum_m_axis_tvalid;
sampler
#(
.DATA_WIDTH(ADC_DATA_WIDTH),
.PACK_FACTOR(PACK_FACTOR),
.PROCESS_MODE(PROCESS_MODE)
) sampler_dut (
.clk_in(clk_sampler),
.rst(adc_rst),
.data_in(adc_data),
.out_of_range(adc_otr),
.m_axis_tdata(sampler_m_axis_tdata),
.m_axis_tvalid(sampler_m_axis_tvalid),
)
sampler_dut
(
.clk_in(adc_clk),
.rst(adc_rst),
.data_in(ch2_data),
.out_of_range(ch2_otr),
.m_axis_tdata(accum_m_axis_tdata),
.m_axis_tvalid(acum_m_axis_tvalid),
.smp_num(adc_pulse_period),
.done(sampler_done),
.request(sampler_request)
.sample_req(sample_req),
.sample_done(sample_done_sync1)
);
// -------------------------------------------------------------------------
// Accumulator
// -------------------------------------------------------------------------
assign workflow_done = finish;
accumulator_top #(
accumulator_top
#(
.DATA_WIDTH(ADC_DATA_WIDTH),
.ACCUM_WIDTH(ACCUM_WIDTH),
.N_MAX(N_MAX),
.WINDOW_SIZE(WINDOW_SIZE),
.PACKET_SIZE(PACKET_SIZE)
) accumulator_top_dut (
.clk_in(clk_sampler),
)
accumulator_top_dut
(
.clk_in(adc_clk),
.rst(adc_rst),
.s_axis_tdata(sampler_m_axis_tdata),
.s_axis_tvalid(sampler_m_axis_tvalid),
.s_axis_tdata(accum_m_axis_tdata),
.s_axis_tvalid(acum_m_axis_tvalid),
.start(adc_start),
.smp_num(adc_pulse_period),
.seq_num(adc_pulse_num),
.window_size(window_size),
.req_ready(request_ready),
.send_req(send_request),
.eth_clk_in(clk_axis_accumulator),
.m_axis_tdata(axis_accumulator.tdata),
.m_axis_tvalid(axis_accumulator.tvalid),
.m_axis_tready(axis_accumulator.tready),
.m_axis_tlast(axis_accumulator.tlast),
.eth_clk_in(gmii_tx_clk),
.req_ready(req_ready),
.send_req(send_req),
.m_axis_tdata(s_axis_tx_tdata),
.m_axis_tvalid(s_axis_tx_tvalid),
.m_axis_tready(s_axis_tx_tready),
.m_axis_tlast(s_axis_tx_tlast),
.finish(finish), // full reflectometer workflow complete (with transaction)
.accum_done(processing_done) // signal generation, sampling and processing complete
.finish(finish)
);
// -------------------------------------------------------------------------
// Simple LED status
// -------------------------------------------------------------------------
assign led[0] = clk_wiz_locked;
assign led[1] = m_axis_rx_tvalid;
assign led[2] = dac_start;
endmodule
@@ -1,794 +0,0 @@
`timescale 1ns / 1ps
`include "interfaces.svh"
// `define DEBUG
`define MEASURE_CLK(clk, period) \
begin \
realtime t1, t2; \
@(posedge clk); \
t1 = $realtime; \
@(posedge clk); \
t2 = $realtime; \
period = t2 - t1; \
end
`define ERR_CHECK \
total_tests++; \
if (result_flag) begin \
total_failed_tests++; \
$error("Test #%0d failed. Err code: %0d", total_tests, result_flag); \
end \
module reflectometer_tb;
//------------------------------------------------------------
// Параметры
//------------------------------------------------------------
localparam int unsigned DAC_DATA_WIDTH = 14;
localparam int unsigned ADC_DATA_WIDTH = 12;
localparam LOGIC_ZERO_LEVEL = 0; // DAC -5V for logic zero
localparam VOLTAGE_ZERO_LEVEL = 2**(DAC_DATA_WIDTH-1); // DAC 0V for logic zero
localparam PACK_FACTOR = 1; // not used in TB
localparam PROCESS_MODE = 0; // 0 - uint, 1 - int. Current accumulator don't support signed sum
localparam ACCUM_WIDTH = 32; // accumulator number bit witdth
localparam N_MAX = 4096; // max value of windows to average by experiments
localparam PACKET_SIZE = 1024; // bytes per UDP packet
localparam int REQUEST_TIMEOUT = 3 * PACKET_SIZE; // timeout for packet receiving from accumulator
localparam int TEST_NUM = 100; // number of random tests
localparam real PEARSON_THRESHOLD = 0.99;
localparam real NRMSE_THRESHOLD = 0.1;
localparam ZERO_LEVEL = LOGIC_ZERO_LEVEL; // "logic" VS "voltage"
localparam CLK_ETH_PHY_PERIOD = 8.000; // 125 MHz
localparam CLK_REF_PERIOD = 5.000; // 200 MHz
//------------------------------------------------------------
// Глобальные перменные
//------------------------------------------------------------
realtime CLK_ADC_PERIOD;
realtime CLK_DAC_PERIOD;
//------------------------------------------------------------
// Тактовые сигналы и сброс
//------------------------------------------------------------
logic clk_ref = 1'b0; // 200 MHz
logic clk_eth_phy = 1'b0; // common for RX & TX
logic rst_n = 1'b0;
//------------------------------------------------------------
// Управление и конфиг DUT
//------------------------------------------------------------
logic [31:0] window_size_port;
// AXI-S интерфейс для управления
axis_if axis_control_if (
.clk(clk_eth_phy),
.rst_n(rst_n)
);
//------------------------------------------------------------
// Входы DUT
//------------------------------------------------------------
// ADC интерфейс
wire clk_adc;
wire adc_otr;
wire [ADC_DATA_WIDTH-1:0] adc_data;
//------------------------------------------------------------
// Выходы
//------------------------------------------------------------
// Статусы
wire mmcm_locked;
wire workflow_done;
wire processing_done;
// DAC интерфейс
wire clk_dac;
wire dac_wrt;
wire [DAC_DATA_WIDTH-1:0] dac_data;
// AXI-S интерфейс для данных
axis_if axis_accumulator_if (
.clk(clk_eth_phy),
.rst_n(rst_n)
);
//------------------------------------------------------------
// Внутренние сигналы тестбенча
//------------------------------------------------------------
// Интерфейс хендшейка с MAC-PHY
wire send_request;
logic request_ready;
// Сигнал между ЦАП и АЦП
real signal_voltage;
//------------------------------------------------------------
// Virtual DAC
//------------------------------------------------------------
virtual_dac_model #( // default voltage range is +/- 5V
.DAC_DATA_WIDTH(DAC_DATA_WIDTH)
// ,.VOLTAGE_GAIN(2)
) virtual_dac (
.clk_i(clk_dac),
.wrt_i(dac_wrt),
.data_i(dac_data),
.voltage_o(signal_voltage)
);
//------------------------------------------------------------
// Virtual ADC
//------------------------------------------------------------
virtual_adc_model #( // default voltage range is +/- 5V
.ADC_DATA_WIDTH(ADC_DATA_WIDTH)
) virtual_adc (
.clk_i(clk_adc),
.voltage_i(signal_voltage),
.otr_o(adc_otr),
.data_o(adc_data)
);
//------------------------------------------------------------
// Statistics processing
//------------------------------------------------------------
//------------------------------------------------------------
// Config handler
//------------------------------------------------------------
//------------------------------------------------------------
// DUT
//------------------------------------------------------------
reflectometer_top #(
.DAC_DATA_WIDTH(DAC_DATA_WIDTH),
.ADC_DATA_WIDTH(ADC_DATA_WIDTH),
.PACK_FACTOR(PACK_FACTOR),
.PROCESS_MODE(PROCESS_MODE),
.ZERO_LEVEL(ZERO_LEVEL),
.ACCUM_WIDTH(ACCUM_WIDTH),
.N_MAX(N_MAX),
.PACKET_SIZE(PACKET_SIZE)
) DUT (
.clk_in(clk_ref),
.rst_n(rst_n),
// Status
.locked(mmcm_locked),
.workflow_done(workflow_done),
.processing_done(processing_done),
// Accumulator AXI-S bus
.clk_axis_accumulator(clk_eth_phy), // GMII PHY RX clock
.axis_accumulator(axis_accumulator_if.master),
// Control AXI-S bus
.clk_axis_control(clk_eth_phy), // GMII PHY TX clock
.axis_control(axis_control_if.slave),
.window_size(window_size_port), // direct signal crutch (old controller)
// RTL-MAC handshake
.request_ready(request_ready),
.send_request(send_request),
// DAC
.dac_clk_o(clk_dac),
.dac_data(dac_data),
.dac_wrt(dac_wrt),
// ADC
.adc_clk_o(clk_adc),
.adc_data(adc_data),
.adc_otr(adc_otr)
);
//------------------------------------------------------------
// Тактовые сигналы
//------------------------------------------------------------
initial begin
forever #(CLK_REF_PERIOD/2) clk_ref = ~clk_ref;
end
initial begin
forever #(CLK_ETH_PHY_PERIOD/2) clk_eth_phy = ~clk_eth_phy;
end
//------------------------------------------------------------
// Таски для тестирования
//------------------------------------------------------------
// Таски работы с AXI-Stream
task automatic dut_soft_reset(virtual axis_if#(8).tb vif);
logic [7:0] tx_packet[];
tx_packet = '{8'h0f};
vif.master_send(tx_packet);
endtask
task automatic dut_start(virtual axis_if#(8).tb vif);
logic [7:0] tx_packet[];
tx_packet = '{8'hf0};
vif.master_send(tx_packet);
endtask
task automatic dut_send_system_config(
virtual axis_if#(8).tb vif,
input logic [31:0] pulse_width,
input logic [31:0] pulse_period,
input logic [15:0] pulse_num,
input logic [13:0] pulse_height, // achtung! p_height strictly must have 14 bits of width
input logic [31:0] pulse_period_adc,
input logic [31:0] window_size
);
// Создаем временный фиксированный массив и упаковываем всё одной строкой
logic [7:0] tx_packet[];
// Ахтунг, 14-битный ЦАП захардкожен
if (DAC_DATA_WIDTH != 14)
$warning("[WARNING] -dut_send_system_config- Default pulse height (DAC bitwidth) is equal to 14. Be aware, controller packet structure is coded for 14 bits");
tx_packet = '{
8'h88, // Команда
pulse_width[7:0], pulse_width[15:8], pulse_width[23:16], pulse_width[31:24],
pulse_period[7:0], pulse_period[15:8], pulse_period[23:16], pulse_period[31:24],
pulse_num[7:0], pulse_num[15:8], pulse_height[7:0], 8'({2'b00, pulse_height[13:8]}),
pulse_period_adc[7:0], pulse_period_adc[15:8], pulse_period_adc[23:16], pulse_period_adc[31:24]
};
vif.master_send(tx_packet);
// TODO remove for new controller
window_size_port = window_size;
endtask
// Таски сбора статистики
task automatic dut_read_output(
virtual axis_if#(8).tb vif,
input int sample_num,
input int window_size,
input bit randomize_recv_delays,
output int output_data[]
);
logic [7:0] rx_packet[];
logic [ACCUM_WIDTH-1:0] data_packet[];
int numbers_per_packet = PACKET_SIZE/(ACCUM_WIDTH/8);
int packet_num = $ceil(real'(sample_num / window_size) / real'(numbers_per_packet));
int timeout_flag = 0;
int packet_counter = 0;
if (sample_num % window_size) begin
$error("-dut_read_output- Sample_num must be multiple of window_size: %0d %% %0d = %0d", sample_num, window_size, sample_num % window_size);
$finish;
end
data_packet = new[numbers_per_packet];
output_data = new[numbers_per_packet * packet_num];
// count send_request pulses (equal to number of packets)
fork
begin : packet_counter_proc
forever begin
@(posedge clk_eth_phy);
if(send_request === 1)
packet_counter++;
end
end
join_none
// Wait until reflectometer done sampling and averaging
wait(processing_done == 1);
// recv loop
// если число пакетов превышает заложенное предрассчитанное значение -- ошибка
fork : recv_loop_proc
begin
// packet recv loop
forever begin
if (packet_counter > packet_num) begin
$error("-dut_read_output- Packet overflow detected. Number of data packets exceeds expected amount of packets");
$finish;
end
if (randomize_recv_delays)
repeat($urandom_range(0, 500)) @(posedge clk_eth_phy);
timeout_flag = 0;
fork : receive_packet_timeout
begin
request_ready = 1;
vif.slave_recv(rx_packet);
request_ready = 0;
end
begin
repeat(REQUEST_TIMEOUT) @(posedge clk_eth_phy);
timeout_flag = 1;
end
join_any
disable receive_packet_timeout;
if (timeout_flag) begin
$error("-dut_read_output- Timeout detected when receiving packet");
$finish;
end
if (rx_packet.size() != PACKET_SIZE) begin
$error("-dut_read_output- Wrong packet size received: %0d bytes received, %0d bytes expected", rx_packet.size(), PACKET_SIZE);
$finish;
end
// unpack values
data_packet = {<< byte {rx_packet}};
data_packet = {<< ACCUM_WIDTH {data_packet}};
// copy and convert values
for (int j = 0; j < data_packet.size(); j++) begin
output_data[(packet_counter-1) * data_packet.size() + j] = int'(data_packet[j]);
end
end
end
begin
// IP workflow completion event
wait(workflow_done == 1);
end
join_any
disable recv_loop_proc;
disable packet_counter_proc;
if (packet_counter != packet_num) begin
$error("-dut_read_output- Wrong number of packets received: %0d received, %0d expected", packet_counter, packet_num);
$finish;
end
wait(processing_done == 0);
endtask
//------------------------------------------------------------
// Функции и таски для верификации сигналов
//------------------------------------------------------------
// Таска генерации идеального тестового сигнала
task automatic reference_signal(
input int pulse_width,
input int pulse_height,
input int pulse_period_adc,
input int window_size,
output real result[]
);
/*
Globals:
ADC and DAC clock periods,
Virtual ADC and DAC voltage steps
Task developed with assumption that first discrete values of DAC and ADC
are syncrhonized at t==0 and started simultaneously.
Gains and biases of virtual ADC & DAC are default and ranges are [-5V;5V].
Bitwidths may be altered.
Returned result[] array is an array of sums of voltage potentials in discrete time points.
Discrete samples summed over a time window.
result[time] = (voltage)
*/
int sample_num = pulse_period_adc / window_size; // total averaged output samples from accumulator
real current_signal_sample, partial_sum;
real ref_signal_active_voltage = virtual_dac.code_to_voltage(pulse_height);
real ref_signal_zero_voltage = virtual_dac.code_to_voltage(ZERO_LEVEL);
if (pulse_period_adc % window_size) begin
$error("-reference_signal- pulse_period_adc must be multiple of window_size: %0d %% %0d = %0d", pulse_period_adc, window_size, pulse_period_adc % window_size);
$finish;
end
result = new[sample_num];
partial_sum = 0;
for (int i = 0; i < pulse_period_adc; i++) begin
// var i in ADC timespace
// i == 0 is a t0 of pulse generation and sampling
current_signal_sample = (i*CLK_ADC_PERIOD <= pulse_width*CLK_DAC_PERIOD) ? ref_signal_active_voltage : ref_signal_zero_voltage;
partial_sum += current_signal_sample;
if (i % window_size == (window_size-1)) begin
result[i / window_size] = partial_sum;
partial_sum = 0;
end
end
endtask
// Функция проверки размеров выборок
function automatic void check_size(
input real a[],
input real b[]
);
if (a.size() != b.size())
$fatal(1, "Array size mismatch: %0d != %0d",
a.size(), b.size());
if (a.size() == 0)
$error(1, "Empty array");
endfunction
// Среднее по выборке
function automatic real array_mean(
input real a[]
);
real sum = 0.0;
foreach (a[i])
sum += a[i];
return sum / a.size();
endfunction
// MSE двух выборок
function automatic real calc_mse(
input real a[],
input real b[]
);
real sum = 0.0;
check_size(a, b);
foreach (a[i]) begin
real err;
err = a[i] - b[i];
sum += err * err;
end
return sum / a.size();
endfunction
// NRMSE двух выборок (нормирование RMSE)
function automatic real calc_nrmse(
input real a[],
input real b[]
);
const real EPS = 1e-12;
real mse, ms = 0;
mse = calc_mse(a, b);
foreach (a[i]) begin
ms += a[i] * a[i];
end
ms /= a.size();
return $sqrt(mse / (ms + EPS));
endfunction
// Функция модуля
function automatic real abs_f(input real x);
return (x < 0.0) ? -x : x;
endfunction
// Максимальная абсолютная ошибка
function automatic real calc_max_error(
input real a[],
input real b[]
);
real max_err = 0.0;
check_size(a, b);
foreach (a[i]) begin
real err;
err = abs_f(a[i] - b[i]);
if (err > max_err)
max_err = err;
end
return max_err;
endfunction
// Коэффициент корреляции Пирсона
function automatic real calc_pearson(
input real a[],
input real b[]
);
real mean_a;
real mean_b;
real numerator = 0.0;
real denom_a = 0.0;
real denom_b = 0.0;
check_size(a, b);
mean_a = array_mean(a);
mean_b = array_mean(b);
foreach (a[i]) begin
real da;
real db;
da = a[i] - mean_a;
db = b[i] - mean_b;
numerator += da * db;
denom_a += da * da;
denom_b += db * db;
end
if ((denom_a == 0.0) || (denom_b == 0.0))
return 0.0;
return numerator / $sqrt(denom_a * denom_b);
endfunction
// Вспомогательная функция для вывода массива
function automatic void display_array_f(input real a[]);
$write("\t");
foreach(a[i])
$write("%f ", a[i]);
$write("\n");
endfunction
// Вспомогательная функция для вывода массива
function automatic void display_array(input int a[]);
$write("\t");
foreach(a[i])
$write("%0d ", a[i]);
$write("\n");
endfunction
// Основная таска типового теста
task automatic run_test_case(
virtual axis_if#(8).tb ctrl_vif,
virtual axis_if#(8).tb accum_vif,
input int pulse_width,
input int pulse_period,
input int pulse_num,
input int pulse_height,
input int pulse_period_adc,
input int window_size,
input bit rand_recv_delays,
input bit use_reset,
output int result
);
int output_data[]; // raw accum values
real output_signal_v[]; // accum values after voltage conversion
real reference_signal_v[]; // reference signal voltage values
real nrmse, pearson, max_err; // error and correlation metrics
if (use_reset) begin
dut_soft_reset(ctrl_vif);
#100;
end
dut_send_system_config(
.vif(ctrl_vif),
.pulse_width(pulse_width),
.pulse_period(pulse_period),
.pulse_num(pulse_num),
.pulse_height(pulse_height),
.pulse_period_adc(pulse_period_adc),
.window_size(window_size)
);
#100;
dut_start(ctrl_vif);
dut_read_output(
.vif(accum_vif),
.sample_num(pulse_period_adc),
.window_size(window_size),
.randomize_recv_delays(rand_recv_delays),
.output_data(output_data)
);
// actual size of payload is pulse_period_adc / window_size
output_signal_v = new[pulse_period_adc / window_size];
`ifdef DEBUG
$display("[TB] Output data stream");
display_array(output_data);
`endif
// voltage conversion
begin
// zero level for partial sum
real zero_level_bias = window_size * virtual_adc.ZERO_CODE;
// common voltage multiplier for step & amplifier
real voltage_multiplier = virtual_adc.VOLTAGE_STEP / virtual_adc.VOLTAGE_GAIN;
// array conversion
foreach (output_signal_v[i]) begin
real average_code_per_pulse = real'(output_data[i]) / pulse_num;
output_signal_v[i] = (average_code_per_pulse - zero_level_bias) * voltage_multiplier;
end
end
reference_signal(
.pulse_width(pulse_width),
.pulse_height(pulse_height),
.pulse_period_adc(pulse_period_adc),
.window_size(window_size),
.result(reference_signal_v)
);
`ifdef DEBUG
$display("[TB] Output signal");
display_array_f(output_signal_v);
$display("[TB] Reference signal");
display_array_f(reference_signal_v);
`endif
nrmse = calc_nrmse(output_signal_v, reference_signal_v);
pearson = calc_pearson(output_signal_v, reference_signal_v);
max_err = calc_max_error(output_signal_v, reference_signal_v);
`ifdef DEBUG
$display("[TB] Metrics:\n\tNRMSE = %0.4f\t|\tPearson = %0.4f\t|\tMax error = %0.4f", nrmse, pearson, max_err);
`endif
// check metrics
result = 0;
// if (pearson < PEARSON_THRESHOLD)
// result += 1;
if (nrmse > NRMSE_THRESHOLD)
result += 2;
/*
Max error not used in evaluation because of fast pulse edge falling
resulting in plain difference between active signal level and zero level
For ex.: zero_level = 0x00 = -5V. pulse_height = 2^14-1 = 0x3fff = 5V
In some cases like jitter this may cause max error = 5 - (-5) = 10(V)
This cases are hardly traceble, thus max error not used in eval.
Pearson not used in evaluation because it only shows correlation of changing signals. Tests broke on static signals.
Pearson and max err remain in test for info.
*/
endtask
//------------------------------------------------------------
// ОСНОВНОЙ ПРОЦЕСС ТЕСТИРОВАНИЯ
//------------------------------------------------------------
initial begin
int result_flag;
int total_failed_tests = 0, total_tests = 0;
automatic virtual axis_if.tb control_vif = axis_control_if.tb;
automatic virtual axis_if.tb accumulator_vif = axis_accumulator_if.tb;
$info("[TB] DUT initializaton");
// Инициализация
request_ready = 0;
rst_n = 0;
#100;
rst_n = 1;
wait(mmcm_locked === 1'b1);
#150;
$info("[TB] MMCM locked");
// Meause periods because actual values hardcoded in IP
fork
`MEASURE_CLK(DUT.clk_sampler, CLK_ADC_PERIOD);
`MEASURE_CLK(DUT.clk_generator, CLK_DAC_PERIOD);
join
$info("[TB] ADC & DAC clock periods measured: ADC_period = %0.3f, DAC_period = %0.3f", CLK_ADC_PERIOD, CLK_DAC_PERIOD);
// Тесты
$info("[TB] Tests start");
$info("[TB] Simple test run");
run_test_case(
.ctrl_vif(control_vif),
.accum_vif(accumulator_vif),
.pulse_width(4000),
.pulse_period(10000),
.pulse_num(5),
.pulse_height(12000),
.pulse_period_adc(6000),
.window_size(10),
.rand_recv_delays(1),
.use_reset(1),
.result(result_flag)
);
`ERR_CHECK
$info("[TB] Random test run");
for (int i = 0; i < TEST_NUM; i++) begin
int pulse_width, pulse_period, pulse_num, pulse_height, pulse_period_adc, window_size;
bit rand_recv_delays, use_reset;
// Генерируемые параметры
pulse_period = $urandom_range(500, 5000);
pulse_width = $urandom_range(50, pulse_period);
pulse_num = $urandom_range(1, 10);
pulse_height = $urandom_range(0, 2**DAC_DATA_WIDTH-1);
window_size = $urandom_range(1, 11);
pulse_period_adc = $urandom_range(50, N_MAX-1) * window_size;
rand_recv_delays = 1;
use_reset = 1; // ($urandom_range(0, 10) >= 9);
$display("Test #%0d", total_tests);
`ifdef DEBUG
$display("Parameters:\n\tpulse_width=%0d\n\tpulse_period=%0d\n\tpulse_num=%0d\n\tpulse_height=%0d\n\tpulse_period_adc=%0d\n\twindow_size=%0d\n\trand_recv_delays=%0d\n\tuse_reset=%0d",
pulse_width, pulse_period, pulse_num, pulse_height, pulse_period_adc, window_size, rand_recv_delays, use_reset);
`endif
run_test_case(
.ctrl_vif(control_vif),
.accum_vif(accumulator_vif),
.pulse_width(pulse_width),
.pulse_period(pulse_period),
.pulse_num(pulse_num),
.pulse_height(pulse_height),
.pulse_period_adc(pulse_period_adc),
.window_size(window_size),
.rand_recv_delays(rand_recv_delays),
.use_reset(use_reset),
.result(result_flag)
);
`ERR_CHECK
if (result_flag) begin
$display("Parameters:\n\tpulse_width=%0d\n\tpulse_period=%0d\n\tpulse_num=%0d\n\tpulse_height=%0d\n\tpulse_period_adc=%0d\n\twindow_size=%0d\n\trand_recv_delays=%0d\n\tuse_reset=%0d",
pulse_width, pulse_period, pulse_num, pulse_height, pulse_period_adc, window_size, rand_recv_delays, use_reset);
end
end
$info("[TB] Corner case test run");
run_test_case(
.ctrl_vif(control_vif),
.accum_vif(accumulator_vif),
.pulse_width(0),
.pulse_period(1000),
.pulse_num(5),
.pulse_height(12000),
.pulse_period_adc(600),
.window_size(10),
.rand_recv_delays(0),
.use_reset(1),
.result(result_flag)
);
`ERR_CHECK
run_test_case(
.ctrl_vif(control_vif),
.accum_vif(accumulator_vif),
.pulse_width(1000),
.pulse_period(1000),
.pulse_num(5),
.pulse_height(12000),
.pulse_period_adc(600),
.window_size(10),
.rand_recv_delays(0),
.use_reset(1),
.result(result_flag)
);
`ERR_CHECK
run_test_case(
.ctrl_vif(control_vif),
.accum_vif(accumulator_vif),
.pulse_width(500),
.pulse_period(1000),
.pulse_num(5),
.pulse_height(2**(DAC_DATA_WIDTH-1)),
.pulse_period_adc(600),
.window_size(10),
.rand_recv_delays(0),
.use_reset(1),
.result(result_flag)
);
`ERR_CHECK
run_test_case(
.ctrl_vif(control_vif),
.accum_vif(accumulator_vif),
.pulse_width(500),
.pulse_period(1000),
.pulse_num(5),
.pulse_height(15000),
.pulse_period_adc(10),
.window_size(1),
.rand_recv_delays(0),
.use_reset(1),
.result(result_flag)
);
`ERR_CHECK
$display("[TB] Tests done. [%0d/%0d] tests passed, %0d failed", total_tests - total_failed_tests, total_tests, total_failed_tests);
if (!total_failed_tests)
$display("[TB] ALL PASSED");
$finish;
end
endmodule
@@ -1,117 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<wave_config>
<wave_state>
</wave_state>
<db_ref_list>
<db_ref path="reflectometer_tb_behav.wdb" id="1">
<top_modules>
<top_module name="glbl" />
<top_module name="reflectometer_tb" />
</top_modules>
</db_ref>
</db_ref_list>
<zoom_setting>
<ZoomStartTime time="0.000 ns"></ZoomStartTime>
<ZoomEndTime time="1,506.001 ns"></ZoomEndTime>
<Cursor1Time time="1,000.000 ns"></Cursor1Time>
</zoom_setting>
<column_width_setting>
<NameColumnWidth column_width="196"></NameColumnWidth>
<ValueColumnWidth column_width="76"></ValueColumnWidth>
</column_width_setting>
<WVObjectSize size="7" />
<wvobject type="logic" fp_name="/reflectometer_tb/rst_n">
<obj_property name="ElementShortName">rst_n</obj_property>
<obj_property name="ObjectShortName">rst_n</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/mmcm_locked">
<obj_property name="ElementShortName">mmcm_locked</obj_property>
<obj_property name="ObjectShortName">mmcm_locked</obj_property>
</wvobject>
<wvobject type="group" fp_name="group28">
<obj_property name="label">Signal</obj_property>
<obj_property name="DisplayName">label</obj_property>
<wvobject type="array" fp_name="/reflectometer_tb/dac_data">
<obj_property name="ElementShortName">dac_data[13:0]</obj_property>
<obj_property name="ObjectShortName">dac_data[13:0]</obj_property>
</wvobject>
<wvobject type="other" fp_name="/reflectometer_tb/signal_voltage">
<obj_property name="ElementShortName">signal_voltage</obj_property>
<obj_property name="ObjectShortName">signal_voltage</obj_property>
</wvobject>
<wvobject type="array" fp_name="/reflectometer_tb/adc_data">
<obj_property name="ElementShortName">adc_data[11:0]</obj_property>
<obj_property name="ObjectShortName">adc_data[11:0]</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/adc_otr">
<obj_property name="ElementShortName">adc_otr</obj_property>
<obj_property name="ObjectShortName">adc_otr</obj_property>
</wvobject>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/send_request">
<obj_property name="ElementShortName">send_request</obj_property>
<obj_property name="ObjectShortName">send_request</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/request_ready">
<obj_property name="ElementShortName">request_ready</obj_property>
<obj_property name="ObjectShortName">request_ready</obj_property>
</wvobject>
<wvobject type="group" fp_name="group51">
<obj_property name="label">Controller</obj_property>
<obj_property name="DisplayName">label</obj_property>
<obj_property name="isExpanded"></obj_property>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_control_if/clk">
<obj_property name="ElementShortName">clk</obj_property>
<obj_property name="ObjectShortName">clk</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_control_if/rst_n">
<obj_property name="ElementShortName">rst_n</obj_property>
<obj_property name="ObjectShortName">rst_n</obj_property>
</wvobject>
<wvobject type="array" fp_name="/reflectometer_tb/axis_control_if/tdata">
<obj_property name="ElementShortName">tdata[7:0]</obj_property>
<obj_property name="ObjectShortName">tdata[7:0]</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_control_if/tvalid">
<obj_property name="ElementShortName">tvalid</obj_property>
<obj_property name="ObjectShortName">tvalid</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_control_if/tlast">
<obj_property name="ElementShortName">tlast</obj_property>
<obj_property name="ObjectShortName">tlast</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_control_if/tready">
<obj_property name="ElementShortName">tready</obj_property>
<obj_property name="ObjectShortName">tready</obj_property>
</wvobject>
</wvobject>
<wvobject type="group" fp_name="group52">
<obj_property name="label">Accumulator</obj_property>
<obj_property name="DisplayName">label</obj_property>
<obj_property name="isExpanded"></obj_property>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_accumulator_if/clk">
<obj_property name="ElementShortName">clk</obj_property>
<obj_property name="ObjectShortName">clk</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_accumulator_if/rst_n">
<obj_property name="ElementShortName">rst_n</obj_property>
<obj_property name="ObjectShortName">rst_n</obj_property>
</wvobject>
<wvobject type="array" fp_name="/reflectometer_tb/axis_accumulator_if/tdata">
<obj_property name="ElementShortName">tdata[7:0]</obj_property>
<obj_property name="ObjectShortName">tdata[7:0]</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_accumulator_if/tvalid">
<obj_property name="ElementShortName">tvalid</obj_property>
<obj_property name="ObjectShortName">tvalid</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_accumulator_if/tlast">
<obj_property name="ElementShortName">tlast</obj_property>
<obj_property name="ObjectShortName">tlast</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/reflectometer_tb/axis_accumulator_if/tready">
<obj_property name="ElementShortName">tready</obj_property>
<obj_property name="ObjectShortName">tready</obj_property>
</wvobject>
</wvobject>
</wave_config>
Vendored Submodule
+1
Submodule external/rtl_libs added at e4311214eb
+47 -171
View File
@@ -5,6 +5,7 @@ module accumulator
parameter DATA_WIDTH = 12,
parameter ACCUM_WIDTH = 32,
parameter N_MAX = 4096,
parameter WINDOW_SIZE = 4,
parameter PACKET_SIZE = 8,
parameter READ_BATCH_SIZE =(PACKET_SIZE*8)/(ACCUM_WIDTH)
)
@@ -16,18 +17,15 @@ module accumulator
input start,
input [31:0] smp_num,
input [15:0] seq_num,
input [31:0] window_size,
output [ACCUM_WIDTH-1:0] out_data,
output out_valid,
output readout_begin,
input batch_req,
input finish,
output logic accum_done
input finish
);
logic [31:0] smp_num_reg, cnt_smp_num;
logic [31:0] window_size_reg;
logic [15:0] seq_num_reg, cnt_seq_num;
logic [15:0] cnt_addr, addra, addrb;
@@ -41,6 +39,10 @@ module accumulator
logic out_valid_reg;
logic finish_reg, finish_buf;
// registers for port b data request
reg req_data_b;
reg [15:0] req_addr_b;
typedef enum logic [3:0] {
IDLE,
INIT_MEM,
@@ -56,84 +58,18 @@ module accumulator
} wr_state_t;
(* MARK_DEBUG="true" *) wr_state_t wr_state;
// One word per clock accumulation pipeline
// On every sum_valid in ACCUM we launch a BRAM read for cnt_addr
// On the next clock the saved sum_data is added to doutb and written back
logic accum_pipe_valid;
logic [15:0] accum_pipe_addr;
logic [ACCUM_WIDTH-1:0] accum_pipe_data;
// case smp_num // window_size == 1
// Then the next sequence can read the same address it is written
logic accum_pipe_bypass_valid;
logic [ACCUM_WIDTH-1:0] accum_pipe_bypass_data;
logic accum_accept_last;
logic accum_accept_last_all;
logic [ACCUM_WIDTH-1:0] accum_write_base;
logic [ACCUM_WIDTH-1:0] accum_write_value;
wire [31:0] window_size_safe = (window_size == 32'd0) ? 32'd1 : window_size;
wire start_accept = start && (wr_state == IDLE);
assign accum_accept_last = (cnt_smp_num + window_size_reg >= smp_num_reg);
assign accum_accept_last_all = accum_accept_last && (cnt_seq_num == seq_num_reg - 1);
assign accum_write_base = accum_pipe_bypass_valid ? accum_pipe_bypass_data : data_bram_out;
assign accum_write_value = accum_pipe_data + accum_write_base;
// Memory controls to XPM
// In accumulation/init states they are driven directly from the current
// state and pipeline registers. That avoids an extra register stage
logic mem_wea;
logic mem_enb;
logic [15:0] mem_addra;
logic [15:0] mem_addrb;
logic [ACCUM_WIDTH-1:0] mem_dina;
assign mem_wea = (wr_state == INIT_MEM) ? valid_data :
(wr_state == ACCUM) ? accum_pipe_valid :
1'b0;
assign mem_addra = (wr_state == INIT_MEM) ? cnt_addr :
(wr_state == ACCUM) ? accum_pipe_addr :
addra;
assign mem_dina = (wr_state == INIT_MEM) ? data :
(wr_state == ACCUM) ? accum_write_value :
data_bram_in;
assign mem_enb = (wr_state == ACCUM) ? valid_data : enb;
assign mem_addrb = (wr_state == ACCUM) ? cnt_addr : addrb;
// registers for port b data request
reg req_data_b;
reg [15:0] req_addr_b;
always @(posedge clk_in) begin
if (rst) begin
smp_num_reg <= '0;
cnt_smp_num <= '0;
window_size_reg <= 32'd1;
seq_num_reg <= '0;
cnt_seq_num <= '0;
cnt_addr <= '0;
addra <= '0;
addrb <= '0;
data_bram_in <= '0;
wea <= 0;
enb <= 0;
wr_state <= IDLE;
finish_reg <= 0;
finish_buf <= 0;
readout_begin_reg <= 0;
out_data_reg <= '0;
out_valid_reg <= 0;
accum_pipe_valid <= 0;
accum_pipe_addr <= '0;
accum_pipe_data <= '0;
accum_pipe_bypass_valid <= 0;
accum_pipe_bypass_data <= '0;
accum_done <= 0;
end else begin
finish_buf <= finish;
@@ -147,138 +83,83 @@ module accumulator
readout_begin_reg <= 0;
finish_reg <= 0;
out_valid_reg <= 0;
accum_pipe_valid <= 0;
accum_pipe_bypass_valid <= 0;
accum_done <= 0;
cnt_smp_num <= '0;
cnt_seq_num <= '0;
cnt_addr <= '0;
addrb <= '0;
if (start) begin
smp_num_reg <= smp_num;
seq_num_reg <= seq_num;
window_size_reg <= window_size_safe;
wr_state <= INIT_MEM;
end
end
INIT_MEM: begin
// First sequence
// first run to initialize memory with first batch of values
wea <= 0;
enb <= 0;
out_valid_reg <= 0;
accum_pipe_valid <= 0;
accum_pipe_bypass_valid <= 0;
accum_done <= 0;
if (valid_data) begin
// mem_wea/mem_addra/mem_dina do the actual write in this clock
data_bram_in <= data;
addra <= cnt_addr;
wea <= 1;
cnt_addr <= cnt_addr + 1;
cnt_smp_num <= cnt_smp_num + WINDOW_SIZE;
if (cnt_smp_num + window_size_reg >= smp_num_reg) begin
cnt_smp_num <= '0;
cnt_addr <= '0;
if (seq_num_reg <= 16'd1) begin
cnt_seq_num <= '0;
addrb <= '0;
accum_done <= 1;
wr_state <= READOUT_START;
end else begin
// start further accumulation
cnt_seq_num <= 16'd1;
wr_state <= ACCUM;
end
end else begin
cnt_smp_num <= cnt_smp_num + window_size_reg;
cnt_addr <= cnt_addr + 1;
end
end
if (cnt_smp_num >= smp_num_reg) begin
wr_state <= BEGIN_SEQ;
end
end
BEGIN_SEQ: begin
// FIXME: unused
// start new acc seq
wea <= 0;
enb <= 0;
wr_state <= ACCUM;
if (cnt_seq_num == seq_num_reg - 1) begin
cnt_seq_num <= '0;
cnt_smp_num <= '0;
cnt_addr <= '0;
wr_state <= READOUT_START;
addrb <= '0;
enb <= 0;
end else begin
// beginning of new data sequence
cnt_seq_num <= cnt_seq_num + 1;
cnt_smp_num <= '0;
cnt_addr <= '0;
wea <= 0;
addrb <= 0;
wr_state <= REQ_WORD_B;
end
end
REQ_WORD_B: begin
// FIXME: depr
// pre-request data for port b
wea <= 0;
enb <= 0;
enb <= 1;
addrb <= cnt_addr;
wr_state <= ACCUM;
end
ACCUM: begin
// accum pipeline
wea <= 0;
// sum mem+input
enb <= 0;
out_valid_reg <= 0;
if (accum_pipe_valid) begin
// mem_wea/mem_addra/mem_dina do the actual write this clock
addra <= accum_pipe_addr;
data_bram_in <= accum_write_value;
if (valid_data) begin
addra <= cnt_addr;
wea <= 1;
end
if (accum_done) begin
// Last input word was accepted on the previous clk
accum_pipe_valid <= 0;
accum_pipe_bypass_valid <= 0;
cnt_smp_num <= '0;
cnt_seq_num <= '0;
cnt_addr <= '0;
addrb <= '0;
enb <= 0;
wr_state <= READOUT_START;
end else if (valid_data) begin
// mem_enb/mem_addrb launch the actual read this clock
enb <= 1;
addrb <= cnt_addr;
accum_pipe_valid <= 1;
accum_pipe_addr <= cnt_addr;
accum_pipe_data <= data;
// case window_size=1 && smp_num is small
accum_pipe_bypass_valid <= accum_pipe_valid && (accum_pipe_addr == cnt_addr);
accum_pipe_bypass_data <= accum_write_value;
if (accum_accept_last) begin
cnt_smp_num <= '0;
cnt_addr <= '0;
if (cnt_seq_num == seq_num_reg - 1) begin
accum_done <= 1;
end else begin
cnt_seq_num <= cnt_seq_num + 1;
end
data_bram_in <= data + data_bram_out;
cnt_smp_num <= cnt_smp_num + WINDOW_SIZE;
if (cnt_smp_num + WINDOW_SIZE >= smp_num_reg) begin
wr_state <= BEGIN_SEQ;
end else begin
cnt_smp_num <= cnt_smp_num + window_size_reg;
cnt_addr <= cnt_addr + 1;
wr_state <= REQ_WORD_B;
end
end else begin
accum_pipe_valid <= 0;
accum_pipe_bypass_valid <= 0;
end
end
READOUT_START: begin
readout_begin_reg <= 1'b1;
wr_state <= READOUT_AWAIT;
enb <= 0;
wea <= 0;
end
READOUT_AWAIT: begin
// req await + delay for every-clock readout
wea <= 0;
// req await + delay for every-clock readout.
if (batch_req) begin
enb <= 1;
wr_state <= READOUT_DELAY;
@@ -292,14 +173,12 @@ module accumulator
READOUT_DELAY: begin
// wait for mem latency
wea <= 0;
addrb <= addrb + 1;
wr_state <= READOUT_PUT;
end
READOUT_PUT: begin
// main data output
wea <= 0;
if ((addrb % READ_BATCH_SIZE) == 0) begin
wr_state <= READOUT_LAST;
enb <= 0;
@@ -311,7 +190,6 @@ module accumulator
READOUT_LAST: begin
// last word of packet
wea <= 0;
out_valid_reg <= 0;
out_data_reg <= data_bram_out;
wr_state <= READOUT_START;
@@ -320,7 +198,6 @@ module accumulator
FINISH: begin
out_valid_reg <= 0;
enb <= 0;
wea <= 0;
wr_state <= IDLE;
end
@@ -333,13 +210,12 @@ module accumulator
adder
#(
.DATA_WIDTH(DATA_WIDTH),
.WINDOW_SIZE(WINDOW_SIZE),
.ACCUM_WIDTH(ACCUM_WIDTH)
) adder_dut
(
.clk_in(clk_in),
.rst(rst),
.start(start_accept),
.window_size(window_size),
.s_axis_tdata(s_axis_tdata),
.s_axis_tvalid(s_axis_tvalid),
.sum_data(data),
@@ -378,14 +254,14 @@ module accumulator
.doutb(data_bram_out),
.addra(mem_addra),
.addrb(mem_addrb),
.addra(addra),
.addrb(addrb),
.clka(clk_in),
.clkb(clk_in),
.dina(mem_dina),
.dina(data_bram_in),
.ena(1'b1),
.enb(mem_enb),
.wea(mem_wea)
.enb(enb),
.wea(wea)
);
assign readout_begin = readout_begin_reg;
+7 -40
View File
@@ -5,6 +5,7 @@ module accumulator_top
parameter DATA_WIDTH = 12,
parameter ACCUM_WIDTH = 32,
parameter N_MAX = 4096,
parameter WINDOW_SIZE = 65,
parameter PACKET_SIZE = 1024,
parameter READ_BATCH_SIZE =(PACKET_SIZE*8)/(ACCUM_WIDTH)
)
@@ -21,7 +22,6 @@ module accumulator_top
input start,
input [31:0] smp_num,
input [15:0] seq_num,
input [31:0] window_size,
// eth signals
input eth_clk_in,
@@ -34,8 +34,7 @@ module accumulator_top
input logic m_axis_tready,
output logic m_axis_tlast,
output logic finish,
output logic accum_done
output logic finish
);
wire [ACCUM_WIDTH-1:0] out_data;
@@ -43,68 +42,36 @@ module accumulator_top
wire readout_begin;
wire batch_req;
logic finish_int;
logic finish_int_d;
logic finish_pulse;
logic calc_active;
logic start_accept;
logic [31:0] window_size_reg;
wire [31:0] window_size_safe = (window_size == 32'd0) ? 32'd1 : window_size;
assign finish_pulse = finish_int && !finish_int_d;
assign start_accept = start && !calc_active;
assign finish = finish_int;
// Keep the top copy stable for blocks that start later than the accum itself
always_ff @(posedge clk_in) begin
if (rst) begin
calc_active <= 1'b0;
finish_int_d <= 1'b0;
window_size_reg <= 32'd1;
end else begin
finish_int_d <= finish_int;
if (start_accept) begin
calc_active <= 1'b1;
window_size_reg <= window_size_safe;
end else if (finish_pulse) begin
calc_active <= 1'b0;
end
end
end
accumulator #(
.DATA_WIDTH(DATA_WIDTH),
.ACCUM_WIDTH(ACCUM_WIDTH),
.N_MAX(N_MAX),
.WINDOW_SIZE(WINDOW_SIZE),
.PACKET_SIZE(PACKET_SIZE)
) accum_main (
.clk_in(clk_in),
.rst(rst),
.s_axis_tdata(s_axis_tdata),
.s_axis_tvalid(s_axis_tvalid),
.start(start_accept),
.start(start),
.smp_num(smp_num),
.seq_num(seq_num),
.window_size(window_size),
.out_data(out_data),
.out_valid(out_valid),
.readout_begin(readout_begin),
.batch_req(batch_req),
.finish(finish_int),
.accum_done(accum_done)
.finish(finish)
);
out_axis_fifo #(
.ACCUM_WIDTH(ACCUM_WIDTH),
.WINDOW_SIZE(WINDOW_SIZE),
.PACKET_SIZE(PACKET_SIZE)
) output_async_fifo (
.eth_clk_in (eth_clk_in),
.acc_clk_in (clk_in),
.rst (rst),
.smp_num (smp_num),
.window_size (window_size_reg),
.m_axis_tdata (m_axis_tdata),
.m_axis_tvalid (m_axis_tvalid),
@@ -120,6 +87,6 @@ module accumulator_top
.send_req (send_req),
.batch_req (batch_req),
.finish (finish_int)
.finish (finish)
);
endmodule
+13 -30
View File
@@ -4,13 +4,12 @@
module adder
#(
parameter DATA_WIDTH = 12,
parameter WINDOW_SIZE = 4,
parameter ACCUM_WIDTH = 32
)
(
input clk_in,
input rst,
input start,
input [31:0] window_size,
input [DATA_WIDTH-1:0] s_axis_tdata,
input s_axis_tvalid,
@@ -21,10 +20,7 @@ module adder
logic [ACCUM_WIDTH-1:0] accum, res;
logic [DATA_WIDTH-1:0] axis_data;
logic res_valid, axis_valid;
(* MARK_DEBUG = "TRUE" *) logic [31:0] cnt;
logic [31:0] window_size_reg;
wire [31:0] window_size_safe = (window_size == 32'd0) ? 32'd1 : window_size;
(* MARK_DEBUG = "TRUE" *) logic [15:0] cnt;
always @(posedge clk_in) begin
if (rst) begin
@@ -32,32 +28,19 @@ module adder
cnt <= '0;
res <= '0;
res_valid <= 0;
axis_data <= '0;
axis_valid <= 0;
window_size_reg <= 32'd1;
end else begin
res_valid <= 0;
if (start) begin
accum <= '0;
cnt <= '0;
res <= '0;
axis_data <= '0;
axis_valid <= 0;
window_size_reg <= window_size_safe;
end else begin
axis_data <= s_axis_tdata;
axis_valid <= s_axis_tvalid;
if (axis_valid) begin
if (cnt == window_size_reg - 1) begin
res <= accum + axis_data;
res_valid <= 1;
accum <= '0;
cnt <= '0;
end else begin
accum <= accum + axis_data;
cnt <= cnt + 1;
end
axis_data <= s_axis_tdata;
axis_valid <= s_axis_tvalid;
if ( axis_valid) begin
if (cnt == WINDOW_SIZE-1) begin
res <= accum + axis_data;
res_valid <= 1;
accum <= '0;
cnt <= '0;
end else begin
accum <= accum + axis_data;
cnt <= cnt + 1;
end
end
end
+7 -11
View File
@@ -1,12 +1,12 @@
module out_axis_fifo #(
parameter ACCUM_WIDTH = 32,
parameter WINDOW_SIZE = 65,
parameter PACKET_SIZE = 1024
) (
input logic eth_clk_in,
input logic acc_clk_in,
input logic rst,
input logic [31:0] smp_num,
input logic [31:0] window_size,
// AXI stream master for output, eth_clk_in domain
output logic [7:0] m_axis_tdata,
@@ -85,8 +85,6 @@ module out_axis_fifo #(
reg [31:0] wr_cnt; // current BIT mem ptr
reg [31:0] wr_batch_tgt; // next 'target' that should be written from batch
reg [31:0] wr_total; // total BITS to be sent!
logic [31:0] window_size_reg;
wire [31:0] window_size_safe = (window_size == 32'd0) ? 32'd1 : window_size;
wire empty;
@@ -94,7 +92,7 @@ module out_axis_fifo #(
// NOTE:
// each written "acc_din" ACCUM_WIDTH word
// is counted as window_size samples actually
// is counted as WINDOWS_SIZE samples actually
// because hw division for counters is painful
// so we just increased the counter sizes
@@ -104,7 +102,6 @@ module out_axis_fifo #(
wr_cnt <= 32'b0;
wr_batch_tgt <= 32'b0;
wr_total <= 32'b0;
window_size_reg <= 32'd1;
batch_req <= 0;
finish <= 0;
@@ -118,7 +115,6 @@ module out_axis_fifo #(
wr_state <= WR_CHECK;
wr_total <= smp_num * ACCUM_WIDTH;
wr_batch_tgt <= 32'b0;
window_size_reg <= window_size_safe;
batch_req <= 0;
finish <= 0;
end
@@ -130,9 +126,9 @@ module out_axis_fifo #(
if ((wr_data_count < (FIFO_WDEPTH - (PACKET_SIZE / (ACCUM_WIDTH / 8)))) && ~wr_rst_busy) begin
batch_req <= 1;
// should give us exactly PACKET_SIZE * 8 bits
// multiplied by window_size, because we count
// each given ACCUM_WIDTH word as window_size samples !!!
wr_batch_tgt <= wr_batch_tgt + (8 * window_size_reg * PACKET_SIZE);
// multiplied by WINDOW_SIZE, because we count
// each given ACCUM_WIDTH word as WINDOWS_SIZE samples !!!
wr_batch_tgt <= wr_batch_tgt + (8 * WINDOW_SIZE * PACKET_SIZE);
wr_state <= WR_RUN;
end else begin
batch_req <= 0;
@@ -154,8 +150,8 @@ module out_axis_fifo #(
if (din_valid) begin
// data supplied
// count as we got window_size samples
wr_cnt <= wr_cnt + ACCUM_WIDTH * window_size_reg;
// count as we got WINDOW_SIZE samples
wr_cnt <= wr_cnt + ACCUM_WIDTH * WINDOW_SIZE;
end
end
+7 -11
View File
@@ -13,24 +13,20 @@ FPGA_ARCH = artix7
RTL_DIR = ../src
# Simulation settings
SIM_TOP = tb_accumulator_top
SIM_RUNTIME ?= 10000 us
# Design sources only
SYN_FILES += $(filter-out %_tb.sv,$(sort $(shell find $(RTL_DIR) -type f -name '*.v' -o -type f -name '*.sv')))
include ../../../scripts/vivado.mk
# Testbench sources. Vivado puts these into "sim_1", Questa compiles them into "work".
TB_FILES += out_axis_fifo_tb.sv
TB_FILES += accum_full_tb.sv
SYN_FILES += $(sort $(shell find ../src -type f \( -name '*.v' -o -name '*.sv' \)))
XCI_FILES = $(sort $(shell find $(RTL_DIR) -type f -name '*.xci'))
XCI_FILES = $(sort $(shell find ../src -type f -name '*.xci'))
XDC_FILES += ../../../constraints/ax7a035b.xdc
XDC_FILES += test_timing.xdc
include ../../../scripts/vivado.mk
include ../../../scripts/questa.mk
SYN_FILES += out_axis_fifo_tb.sv
SYN_FILES += accum_full_tb.sv
SIM_TOP = tb_accumulator_top
program: $(PROJECT).bit
echo "open_hw_manager" > program.tcl
+22 -29
View File
@@ -5,7 +5,7 @@ module tb_accumulator_top;
localparam DATA_WIDTH = 12;
localparam ACCUM_WIDTH = 32;
localparam N_MAX = 4096;
localparam MAX_WINDOW_SIZE = 65;
localparam WINDOW_SIZE = 65;
localparam PACKET_SIZE = 1024;
localparam READ_BATCH_SIZE = (PACKET_SIZE*8)/ACCUM_WIDTH;
localparam MAX_WORDS = N_MAX;
@@ -20,7 +20,6 @@ module tb_accumulator_top;
logic start;
logic [31:0] smp_num;
logic [15:0] seq_num;
logic [31:0] window_size;
logic req_ready;
wire send_req;
@@ -51,6 +50,7 @@ module tb_accumulator_top;
.DATA_WIDTH(DATA_WIDTH),
.ACCUM_WIDTH(ACCUM_WIDTH),
.N_MAX(N_MAX),
.WINDOW_SIZE(WINDOW_SIZE),
.PACKET_SIZE(PACKET_SIZE)
) dut (
.clk_in(clk_in),
@@ -60,7 +60,6 @@ module tb_accumulator_top;
.start(start),
.smp_num(smp_num),
.seq_num(seq_num),
.window_size(window_size),
.eth_clk_in(eth_clk_in),
.req_ready(req_ready),
.send_req(send_req),
@@ -105,7 +104,6 @@ module tb_accumulator_top;
s_axis_tvalid = 1'b0;
smp_num = '0;
seq_num = '0;
window_size = 32'd1;
req_ready = 1'b0;
m_axis_tready = 1'b1;
clear_scoreboard();
@@ -143,14 +141,13 @@ module tb_accumulator_top;
task automatic run_test(
input integer test_id,
input integer window_size_i,
input integer seq_num_i,
input integer smp_num_i,
input bit randomize_data,
input integer base_value,
input string test_name
);
logic [DATA_WIDTH-1:0] sample_mem [0:MAX_SEQ_NUM-1][0:(N_MAX*MAX_WINDOW_SIZE)-1];
logic [DATA_WIDTH-1:0] sample_mem [0:MAX_SEQ_NUM-1][0:(N_MAX*WINDOW_SIZE)-1];
integer seq_idx;
integer sample_idx;
integer word_idx;
@@ -168,25 +165,22 @@ module tb_accumulator_top;
tests_total = tests_total + 1;
errors_before = total_errors;
if (window_size_i <= 0 || window_size_i > MAX_WINDOW_SIZE)
$fatal(1, "[%0s] invalid window_size=%0d", test_name, window_size_i);
if (smp_num_i <= 0 || smp_num_i > N_MAX * window_size_i || (smp_num_i % window_size_i) != 0)
$fatal(1, "[%0s] invalid smp_num=%0d for window_size=%0d", test_name, smp_num_i, window_size_i);
if (smp_num_i <= 0 || smp_num_i > N_MAX * WINDOW_SIZE || (smp_num_i % WINDOW_SIZE) != 0)
$fatal(1, "[%0s] invalid smp_num=%0d", test_name, smp_num_i);
if (seq_num_i <= 0 || seq_num_i > MAX_SEQ_NUM)
$fatal(1, "[%0s] invalid seq_num=%0d", test_name, seq_num_i);
$display("\n========================================");
$display("TEST %0d: %0s", test_id, test_name);
$display("window_size=%0d seq_num=%0d smp_num=%0d randomize=%0d", window_size_i, seq_num_i, smp_num_i, randomize_data);
$display("seq_num=%0d smp_num=%0d randomize=%0d", seq_num_i, smp_num_i, randomize_data);
$display("========================================");
reset_dut();
smp_num = smp_num_i;
seq_num = seq_num_i;
window_size = window_size_i;
req_ready = 1'b1; // приемник готов заранее
smp_num = smp_num_i;
seq_num = seq_num_i;
req_ready = 1'b1; // приемник готов заранее
exp_word_count = smp_num_i / window_size_i;
exp_word_count = smp_num_i / WINDOW_SIZE;
exp_packet_count = (exp_word_count + READ_BATCH_SIZE - 1) / READ_BATCH_SIZE;
for (seq_idx = 0; seq_idx < seq_num_i; seq_idx = seq_idx + 1) begin
@@ -202,8 +196,8 @@ module tb_accumulator_top;
for (word_idx = 0; word_idx < exp_word_count; word_idx = word_idx + 1) begin
local_sum = 0;
for (seq_idx = 0; seq_idx < seq_num_i; seq_idx = seq_idx + 1) begin
for (k = 0; k < window_size_i; k = k + 1)
local_sum = local_sum + sample_mem[seq_idx][word_idx * window_size_i + k];
for (k = 0; k < WINDOW_SIZE; k = k + 1)
local_sum = local_sum + sample_mem[seq_idx][word_idx * WINDOW_SIZE + k];
end
expected_words[word_idx] = local_sum[ACCUM_WIDTH-1:0];
$display(" expected[%0d] = %0d (0x%08x)", word_idx, expected_words[word_idx], expected_words[word_idx]);
@@ -324,17 +318,16 @@ module tb_accumulator_top;
reset_dut();
run_test(1, 1, 1, 1 * 1, 1'b0, 1, "w1_deterministic_small");
run_test(2, 1, 2, 16 * 1, 1'b1, 0, "w1_random_seq2_smp16");
run_test(3, 2, 2, 16 * 2, 1'b1, 0, "w2_random_seq2_smp32");
run_test(4, 3, 1, 16 * 3, 1'b1, 0, "w3_random_seq1_smp48");
run_test(5, 4, 2, 12 * 4, 1'b1, 0, "w4_random_seq2_smp48");
run_test(6, 65, 4, 256 * 65, 1'b1, 0, "w65_random_seq4_smp16640");
run_test(7, 2, 20, 3 * 2, 1'b1, 0, "w2_random_20seqx3");
run_test(8, 65, 20, 3 * 65, 1'b1, 0, "w65_random_20seqx3");
run_test(9, 1, 200, 1 * 1, 1'b1, 0, "w1_random_200seq");
run_test(10, 2, 200, 2 * 1, 1'b1, 0, "w2_random_200seq");
run_test(11, 65, 200, 65 * 1, 1'b1, 0, "w1_random_200seq");
run_test(1, 1, 1 * WINDOW_SIZE, 1'b0, 1, "deterministic_small");
// $finish;
run_test(2, 2, 1 * WINDOW_SIZE, 1'b1, 0, "random_seq3_smp8");
run_test(3, 1, 16 * WINDOW_SIZE, 1'b1, 0, "random_seq5_smp16_multi_packet");
run_test(4, 2, 12 * WINDOW_SIZE, 1'b1, 0, "random_seq7_smp12");
run_test(5, 4, 256 * WINDOW_SIZE, 1'b1, 0, "random_max_smpnum");
run_test(6, 2, 1500 * WINDOW_SIZE, 1'b1, 0, "random_max_smpnum2");
run_test(7, 20, 1 * WINDOW_SIZE, 1'b1, 0, "random_20seq");
run_test(8, 20, 3 * WINDOW_SIZE, 1'b1, 0, "random_20seqx3");
run_test(9, 200, 1 * WINDOW_SIZE, 1'b1, 0, "random_200seq");
$display("\n========================================");
$display("ALL TESTS COMPLETED");
@@ -0,0 +1,122 @@
module axi4l_reg_map_controller #(
parameter int unsigned ADDR_W = 16,
parameter int unsigned DATA_W = 32,
parameter int unsigned USER_W = 1
)(
input logic clk,
input logic rst_n,
axi4l_if.slave s_axil,
// dac adc registers
output logic start_o,
output logic cfg_bus_valid_o,
output logic [31:0] pulse_width_o,
output logic [31:0] pulse_period_o,
output logic [31:0] pulse_num_o,
output logic [31:0] pulse_height_raw_o,
output logic [31:0] pulse_period_ADC_o,
output logic [31:0] window_size_o,
// DMA CONTROL SIGNALS
output logic send_desc_read_o,
output logic send_desc_write_o,
output logic take_status_read_o,
output logic take_status_write_o,
input logic desc_read_dma_busy_i,
input logic desc_write_dma_busy_i,
input logic status_read_dma_busy_i,
input logic status_write_dma_busy_i,
input logic desc_read_dma_hs_i,
input logic desc_write_dma_hs_i,
input logic status_read_dma_hs_i,
input logic status_write_dma_hs_i,
// DMA read descriptors and status register
output logic [31:0] desc_read_addr_o,
output logic [31:0] desc_read_len_o,
output logic [31:0] desc_read_config_o,
input logic [31:0] status_read_i,
// DMA write descriptors and status register
output logic [31:0] desc_write_addr_o,
output logic [31:0] desc_write_len_and_tag_o,
input logic [31:0] status_write_len_i,
input logic [31:0] status_write_config_i,
output logic rst_soft_o,
input logic busy_i,
input logic [7:0] error_code_i
);
import axi4l_reg_map_controller_pkg::*;
localparam int unsigned N_REGS = CTRL_REG_MAP_N_REGS;
logic [N_REGS-1:0][31:0] reg_i;
logic [N_REGS-1:0][31:0] reg_o;
logic [N_REGS-1:0][31:0] reg_pulse;
axi4l_reg_map #(
.ADDR_W (ADDR_W),
.DATA_W (DATA_W),
.USER_W (USER_W),
.N_REGS (N_REGS),
.REG_MODE (CTRL_REG_MAP_REG_MODE),
.REG_RST (CTRL_REG_MAP_REG_RST)
) u_reg_map (
.clk (clk),
.rst_n (rst_n),
.s_axil (s_axil),
.reg_i (reg_i),
.reg_o (reg_o),
.reg_pulse(reg_pulse)
);
always_comb begin
reg_i = '0;
reg_i[REG_STATUS][0] = busy_i;
reg_i[REG_STATUS][1] = desc_read_dma_busy_i;
reg_i[REG_STATUS][2] = desc_write_dma_busy_i;
reg_i[REG_STATUS][3] = status_read_dma_busy_i;
reg_i[REG_STATUS][4] = status_write_dma_busy_i;
reg_i[REG_STATUS][5] = desc_read_dma_hs_i;
reg_i[REG_STATUS][6] = desc_write_dma_hs_i;
reg_i[REG_STATUS][7] = status_read_dma_hs_i;
reg_i[REG_STATUS][8] = status_write_dma_hs_i;
reg_i[REG_ERROR][7:0] = error_code_i;
reg_i[REG_READ_STATUS] = status_read_i;
reg_i[REG_STATUS_WRITE_LEN] = status_write_len_i;
reg_i[REG_STATUS_WRITE_CONFIG] = status_write_config_i;
end
assign start_o = reg_pulse[REG_CONTROL][0];
assign rst_soft_o = reg_pulse[REG_CONTROL][1];
assign cfg_bus_valid_o = reg_pulse[REG_CONTROL][2];
assign send_desc_read_o = reg_pulse[REG_CONTROL][3];
assign send_desc_write_o = reg_pulse[REG_CONTROL][4];
assign take_status_read_o = reg_pulse[REG_CONTROL][5];
assign take_status_write_o = reg_pulse[REG_CONTROL][6];
assign pulse_width_o = reg_o[REG_DAC_WIDTH];
assign pulse_period_o = reg_o[REG_DAC_PERIOD];
assign pulse_num_o = reg_o[REG_DAC_PULSE_NUM];
assign pulse_height_raw_o = reg_o[REG_DAC_PULSE_HEIGHT];
assign pulse_period_ADC_o = reg_o[REG_ADC_PERIOD];
assign window_size_o = reg_o[REG_WINDOW_SIZE];
assign desc_read_addr_o = reg_o[REG_DESC_READ_ADDR];
assign desc_read_len_o = reg_o[REG_DESC_READ_LEN];
assign desc_read_config_o = reg_o[REG_DESC_READ_CONFIG];
assign desc_write_addr_o = reg_o[REG_DESC_WRITE_ADDR];
assign desc_write_len_and_tag_o = reg_o[REG_DESC_WRITE_LEN_AND_TAG];
endmodule
@@ -0,0 +1,109 @@
package axi4l_reg_map_controller_pkg;
localparam int unsigned CTRL_REG_MAP_N_REGS = 17;
/*
dac adc configuration registers
*/
localparam logic [31:0] REG_CONTROL = 32'd0;
localparam logic [31:0] REG_STATUS = 32'd1;
localparam logic [31:0] REG_DAC_WIDTH = 32'd2;
localparam logic [31:0] REG_DAC_PERIOD = 32'd3;
localparam logic [31:0] REG_DAC_PULSE_NUM = 32'd4;
localparam logic [31:0] REG_DAC_PULSE_HEIGHT = 32'd5;
localparam logic [31:0] REG_ADC_PERIOD = 32'd6;
localparam logic [31:0] REG_WINDOW_SIZE = 32'd7;
localparam logic [31:0] REG_ERROR = 32'd8;
/*
AXI read descriptor input and AXI read descriptor status output configuration registers
*/
localparam logic [31:0] REG_DESC_READ_ADDR = 32'd9;
localparam logic [31:0] REG_DESC_READ_LEN = 32'd10;
localparam logic [31:0] REG_DESC_READ_CONFIG = 32'd11;
localparam logic [31:0] REG_READ_STATUS = 32'd12;
/*
AXI write descriptor input and AXI write descriptor status output configuration registers
*/
localparam logic [31:0] REG_DESC_WRITE_ADDR = 32'd13;
localparam logic [31:0] REG_DESC_WRITE_LEN_AND_TAG = 32'd14;
localparam logic [31:0] REG_STATUS_WRITE_LEN = 32'd15;
localparam logic [31:0] REG_STATUS_WRITE_CONFIG = 32'd16;
localparam logic [2:0] REG_BIT_RSVD = 3'd0;
localparam logic [2:0] REG_BIT_RO = 3'd1;
localparam logic [2:0] REG_BIT_RW = 3'd2;
localparam logic [2:0] REG_BIT_W1S = 3'd3;
localparam logic [CTRL_REG_MAP_N_REGS-1:0][31:0][2:0] CTRL_REG_MAP_REG_MODE = '{
default: '{default: REG_BIT_RSVD},
REG_CONTROL: '{
0 : REG_BIT_W1S,
1 : REG_BIT_W1S,
2 : REG_BIT_W1S,
3 : REG_BIT_W1S,
4 : REG_BIT_W1S,
5 : REG_BIT_W1S,
6 : REG_BIT_W1S,
default: REG_BIT_RSVD
},
REG_STATUS: '{
0 : REG_BIT_RO,
1 : REG_BIT_RO,
2 : REG_BIT_RO,
3 : REG_BIT_RO,
4 : REG_BIT_RO,
5 : REG_BIT_RO,
6 : REG_BIT_RO,
7 : REG_BIT_RO,
8 : REG_BIT_RO,
default: REG_BIT_RSVD
},
REG_DAC_WIDTH: '{default: REG_BIT_RW},
REG_DAC_PERIOD: '{default: REG_BIT_RW},
REG_DAC_PULSE_NUM: '{default: REG_BIT_RW},
REG_DAC_PULSE_HEIGHT: '{default: REG_BIT_RW},
REG_ADC_PERIOD: '{default: REG_BIT_RW},
REG_WINDOW_SIZE: '{default: REG_BIT_RW},
REG_ERROR: '{default: REG_BIT_RO},
REG_DESC_READ_ADDR: '{default: REG_BIT_RW},
REG_DESC_READ_LEN: '{default: REG_BIT_RW},
REG_DESC_READ_CONFIG: '{default: REG_BIT_RW},
REG_READ_STATUS: '{default: REG_BIT_RO},
REG_DESC_WRITE_ADDR: '{default: REG_BIT_RW},
REG_DESC_WRITE_LEN_AND_TAG: '{default: REG_BIT_RW},
REG_STATUS_WRITE_LEN: '{default: REG_BIT_RO},
REG_STATUS_WRITE_CONFIG: '{default: REG_BIT_RO}
};
localparam logic [CTRL_REG_MAP_N_REGS-1:0][31:0] CTRL_REG_MAP_REG_RST = '{
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000,
32'h0000_0000
};
endpackage
@@ -0,0 +1,13 @@
module axis_defaults_master
(
axis_if.master axis
);
assign axis.req.t.keep = '1;
assign axis.req.t.strb = '1;
assign axis.req.t.last = 1'b1;
assign axis.req.t.id = '0;
assign axis.req.t.dest = '0;
assign axis.req.t.user = '0;
endmodule
+90 -216
View File
@@ -1,19 +1,21 @@
module control #(
parameter int unsigned DAC_DATA_WIDTH = 12
) (
input logic eth_clk_in,
input logic ctrl_clk,
input logic dac_clk_in,
input logic adc_clk_in,
input logic rst_n,
// AXI stream slave, eth_clk_in domain
input logic [7:0] s_axis_tdata,
input logic s_axis_tvalid,
output logic s_axis_tready,
input logic s_axis_tlast,
input logic rst_n,
input logic rst_soft,
// adc_clk_in domain
input logic finish,
input logic [159:0] cfg_bus_input,
input logic cfg_bus_valid,
input logic start,
// status signals
output logic busy,
// dac_clk_in domain outputs
output logic [31:0] dac_pulse_width,
@@ -24,6 +26,7 @@ module control #(
// adc_clk_in domain outputs
output logic [31:0] adc_pulse_period,
output logic [15:0] adc_pulse_num,
output logic [31:0] adc_window_size,
// pulse outputs
output logic dac_start,
@@ -42,27 +45,22 @@ module control #(
end
end
// command constants
localparam logic [7:0] CMD_SOFT_RESET = 8'h0F;
localparam logic [7:0] CMD_START = 8'hF0;
localparam logic [7:0] CMD_SET_DATA = 8'h88;
// reset synchronizers: async assert, sync deassert in each domain
logic eth_rst_ff1, eth_rst_ff2;
logic rst_ff1, rst_ff2;
logic dac_rst_ff1, dac_rst_ff2;
logic adc_rst_ff1, adc_rst_ff2;
logic eth_rst;
logic ctrl_rst;
logic dac_rst_int;
logic adc_rst_int;
always_ff @(posedge eth_clk_in or negedge rst_n) begin
always_ff @(posedge ctrl_clk or negedge rst_n) begin
if (!rst_n) begin
eth_rst_ff1 <= 1'b1;
eth_rst_ff2 <= 1'b1;
rst_ff1 <= 1'b1;
rst_ff2 <= 1'b1;
end else begin
eth_rst_ff1 <= 1'b0;
eth_rst_ff2 <= eth_rst_ff1;
rst_ff1 <= 1'b0;
rst_ff2 <= rst_ff1;
end
end
@@ -86,74 +84,34 @@ module control #(
end
end
assign eth_rst = eth_rst_ff2;
assign ctrl_rst = rst_ff2;
assign dac_rst_int = dac_rst_ff2;
assign adc_rst_int = adc_rst_ff2;
// axi stream is always accepted. If packet is not needed, it is discarded.
assign s_axis_tready = 1'b1;
(* MARK_DEBUG="true" *) wire axis_hs = s_axis_tvalid & s_axis_tready;
// -------------------------------------------------------------------------
// Shared 96-bit config bus in ETH domain
//
// Byte order for SET_DATA payload, little-endian:
// payload byte 0 -> cfg_bus_eth[7:0]
// payload byte 1 -> cfg_bus_eth[15:8]
// ...etc...
// payload byte 11 -> cfg_bus_eth[95:88]
//
// Field layout inside cfg_bus_eth:
// [31:0] pulse_width
// [63:32] pulse_period
// [79:64] pulse_num
// [95:80] pulse_height_raw[15:0]
// [127:96] pulse_period_ADC
//
// -------------------------------------------------------------------------
(* MARK_DEBUG="true" *) logic [127:0] cfg_bus_eth;
logic [127:0] cfg_shift_eth;
// ETH-domain parser and control
typedef enum logic [2:0] {
ST_IDLE = 3'd0,
ST_RECV_CFG = 3'd1,
ST_WAIT_CFG_ACK = 3'd2,
ST_DISCARD = 3'd3
} eth_state_t;
(* MARK_DEBUG="true" *) eth_state_t eth_state;
logic [3:0] cfg_byte_cnt;
// Busy flag: set by START command, cleared by finish event from ADC domain
(* MARK_DEBUG="true" *) logic busy_flag_eth;
// Pending ACKs for config delivery
logic cfg_wait_dac_ack;
logic cfg_wait_adc_ack;
// Event toggles ETH -> DAC/ADC
logic start_toggle_eth;
logic rst_toggle_eth;
// Event toggles cntrl -> DAC/ADC
logic start_toggle;
logic rst_toggle;
// Config request toggles ETH -> DAC/ADC
logic cfg_req_toggle_dac_eth;
logic cfg_req_toggle_adc_eth;
// Config request toggles cntrl -> DAC/ADC
logic cfg_req_toggle_dac;
logic cfg_req_toggle_adc;
// ACK toggles DAC/ADC -> ETH
// ACK toggles DAC/ADC -> cntrl
logic cfg_ack_toggle_dac;
logic cfg_ack_toggle_adc;
(* ASYNC_REG = "TRUE" *) logic cfg_ack_toggle_dac_meta, cfg_ack_toggle_dac_sync, cfg_ack_toggle_dac_sync_d;
(* ASYNC_REG = "TRUE" *) logic cfg_ack_toggle_adc_meta, cfg_ack_toggle_adc_sync, cfg_ack_toggle_adc_sync_d;
wire cfg_ack_pulse_dac_eth = cfg_ack_toggle_dac_sync ^ cfg_ack_toggle_dac_sync_d;
wire cfg_ack_pulse_adc_eth = cfg_ack_toggle_adc_sync ^ cfg_ack_toggle_adc_sync_d;
wire cfg_ack_pulse_dac = cfg_ack_toggle_dac_sync ^ cfg_ack_toggle_dac_sync_d;
wire cfg_ack_pulse_adc = cfg_ack_toggle_adc_sync ^ cfg_ack_toggle_adc_sync_d;
always_ff @(posedge eth_clk_in or posedge eth_rst) begin
if (eth_rst) begin
always_ff @(posedge ctrl_clk or posedge ctrl_rst) begin
if (ctrl_rst) begin
cfg_ack_toggle_dac_meta <= 1'b0;
cfg_ack_toggle_dac_sync <= 1'b0;
cfg_ack_toggle_dac_sync_d <= 1'b0;
@@ -172,11 +130,11 @@ module control #(
end
end
// finish event: ADC -> ETH via toggle CDC
// finish event: ADC -> cntrl via toggle CDC
logic finish_toggle_adc;
logic finish_meta_eth, finish_sync_eth, finish_sync_eth_d;
logic finish_meta, finish_sync, finish_sync_d;
wire finish_pulse_eth = finish_sync_eth ^ finish_sync_eth_d;
wire finish_pulse = finish_sync ^ finish_sync_d;
always_ff @(posedge adc_clk_in or posedge adc_rst_int) begin
if (adc_rst_int) begin
@@ -186,152 +144,66 @@ module control #(
end
end
always_ff @(posedge eth_clk_in or posedge eth_rst) begin
if (eth_rst) begin
finish_meta_eth <= 1'b0;
finish_sync_eth <= 1'b0;
finish_sync_eth_d <= 1'b0;
always_ff @(posedge ctrl_clk or posedge ctrl_rst) begin
if (ctrl_rst) begin
finish_meta <= 1'b0;
finish_sync <= 1'b0;
finish_sync_d <= 1'b0;
end else begin
finish_meta_eth <= finish_toggle_adc;
finish_sync_eth <= finish_meta_eth;
finish_sync_eth_d <= finish_sync_eth;
finish_meta <= finish_toggle_adc;
finish_sync <= finish_meta;
finish_sync_d <= finish_sync;
end
end
// ETH FSM
always_ff @(posedge eth_clk_in or posedge eth_rst) begin
if (eth_rst) begin
eth_state <= ST_IDLE;
cfg_byte_cnt <= '0;
cfg_shift_eth <= '0;
cfg_bus_eth <= '0;
logic [159:0] cfg_bus;
busy_flag_eth <= 1'b0;
always_ff @(posedge ctrl_clk or posedge ctrl_rst) begin
if (ctrl_rst) begin
cfg_bus <= '0;
busy <= 0;
start_toggle_eth <= 1'b0;
rst_toggle_eth <= 1'b0;
start_toggle <= 0;
rst_toggle <= 0;
cfg_req_toggle_dac_eth <= 1'b0;
cfg_req_toggle_adc_eth <= 1'b0;
cfg_req_toggle_dac <= 0;
cfg_req_toggle_adc <= 0;
cfg_wait_dac_ack <= 1'b0;
cfg_wait_adc_ack <= 1'b0;
cfg_wait_dac_ack <= 0;
cfg_wait_adc_ack <= 0;
end else begin
// finish always clears busy
if (finish_pulse_eth) begin
busy_flag_eth <= 1'b0;
if (finish_pulse) begin
busy <= 0;
end
// config acks
if (cfg_ack_pulse_dac_eth) begin
if (cfg_ack_pulse_dac) begin
cfg_wait_dac_ack <= 1'b0;
end
if (cfg_ack_pulse_adc_eth) begin
if (cfg_ack_pulse_adc) begin
cfg_wait_adc_ack <= 1'b0;
end
case (eth_state)
ST_IDLE: begin
cfg_byte_cnt <= '0;
cfg_shift_eth <= cfg_shift_eth;
if (cfg_bus_valid && !busy && !cfg_wait_dac_ack && !cfg_wait_adc_ack) begin
cfg_bus <= cfg_bus_input;
if (axis_hs) begin
// if busy, drop the whole packet
if (busy_flag_eth) begin
if (!s_axis_tlast) begin
eth_state <= ST_DISCARD;
end
end else begin
unique case (s_axis_tdata)
CMD_SOFT_RESET: begin
rst_toggle_eth <= ~rst_toggle_eth;
end
cfg_req_toggle_dac <= ~cfg_req_toggle_dac;
cfg_req_toggle_adc <= ~cfg_req_toggle_adc;
CMD_START: begin
start_toggle_eth <= ~start_toggle_eth;
busy_flag_eth <= 1'b1;
end
cfg_wait_dac_ack <= 1;
cfg_wait_adc_ack <= 1;
end
CMD_SET_DATA: begin
// expect exactly 12 bytes after command
if (s_axis_tlast) begin
// no payload, invalid packet
eth_state <= ST_IDLE;
end else begin
cfg_byte_cnt <= 4'd0;
cfg_shift_eth <= '0;
eth_state <= ST_RECV_CFG;
end
end
if (start && !busy && !cfg_wait_dac_ack && !cfg_wait_adc_ack) begin
start_toggle <= ~start_toggle;
busy <= 1;
end
if (rst_soft) begin
rst_toggle <= ~rst_toggle;
end
default: begin
// unknown command: discard packet remainder if any
if (!s_axis_tlast) begin
eth_state <= ST_DISCARD;
end
end
endcase
end
end
end
ST_RECV_CFG: begin
if (axis_hs) begin
// little endian packing
cfg_shift_eth[cfg_byte_cnt*8 +: 8] <= s_axis_tdata;
if (cfg_byte_cnt == 4'd15) begin
// this must be the final payload byte
if (s_axis_tlast) begin
cfg_bus_eth <= {s_axis_tdata, cfg_shift_eth[119:0]};
cfg_req_toggle_dac_eth <= ~cfg_req_toggle_dac_eth;
cfg_req_toggle_adc_eth <= ~cfg_req_toggle_adc_eth;
cfg_wait_dac_ack <= 1'b1;
cfg_wait_adc_ack <= 1'b1;
eth_state <= ST_WAIT_CFG_ACK;
end else begin
// too many bytes in packet
eth_state <= ST_DISCARD;
end
end else begin
// early tlast means packet too short!!
if (s_axis_tlast) begin
eth_state <= ST_IDLE;
end else begin
cfg_byte_cnt <= cfg_byte_cnt + 4'd1;
end
end
end
end
ST_WAIT_CFG_ACK: begin
// any incoming packet while waiting ack is discarded
if (cfg_ack_pulse_dac_eth || cfg_ack_pulse_adc_eth) begin
if ((~cfg_wait_dac_ack || cfg_ack_pulse_dac_eth) &&
(~cfg_wait_adc_ack || cfg_ack_pulse_adc_eth)) begin
eth_state <= ST_IDLE;
end
end
if (axis_hs && !s_axis_tlast) begin
eth_state <= ST_DISCARD;
end
end
ST_DISCARD: begin
if (axis_hs && s_axis_tlast) begin
eth_state <= ST_IDLE;
end
end
default: begin
eth_state <= ST_IDLE;
end
endcase
end
end
// ETH -> DAC: start/reset event sync
// cntrl -> DAC: start/reset event sync
(* ASYNC_REG = "TRUE" *) logic start_meta_dac, start_sync_dac;
logic start_sync_dac_d;
(* ASYNC_REG = "TRUE" *) logic rst_meta_dac, rst_sync_dac;
@@ -353,11 +225,11 @@ module control #(
dac_start <= 1'b0;
dac_rst <= 1'b0;
end else begin
start_meta_dac <= start_toggle_eth;
start_meta_dac <= start_toggle;
start_sync_dac <= start_meta_dac;
start_sync_dac_d <= start_sync_dac;
rst_meta_dac <= rst_toggle_eth;
rst_meta_dac <= rst_toggle;
rst_sync_dac <= rst_meta_dac;
rst_sync_dac_d <= rst_sync_dac;
@@ -366,7 +238,7 @@ module control #(
end
end
// ETH -> ADC: start/reset event sync
// cntrl -> ADC: start/reset event sync
(* ASYNC_REG = "TRUE" *) logic start_meta_adc, start_sync_adc;
logic start_sync_adc_d;
(* ASYNC_REG = "TRUE" *) logic rst_meta_adc, rst_sync_adc;
@@ -388,11 +260,11 @@ module control #(
adc_start <= 1'b0;
adc_rst <= 1'b0;
end else begin
start_meta_adc <= start_toggle_eth;
start_meta_adc <= start_toggle;
start_sync_adc <= start_meta_adc;
start_sync_adc_d <= start_sync_adc;
rst_meta_adc <= rst_toggle_eth;
rst_meta_adc <= rst_toggle;
rst_sync_adc <= rst_meta_adc;
rst_sync_adc_d <= rst_sync_adc;
@@ -401,8 +273,8 @@ module control #(
end
end
// ETH -> DAC config CDC
// cfg_bus_eth is kept stable in ETH domain until DAC and ADC both ACK.
// contrl -> DAC config CDC
// cfg_bus is kept stable in contrl domain until DAC and ADC both ACK.
(* ASYNC_REG = "TRUE" *) logic cfg_req_meta_dac, cfg_req_sync_dac;
logic cfg_req_sync_dac_d;
wire cfg_req_pulse_dac = cfg_req_sync_dac ^ cfg_req_sync_dac_d;
@@ -419,22 +291,22 @@ module control #(
dac_pulse_num <= '0;
dac_pulse_height <= '0;
end else begin
cfg_req_meta_dac <= cfg_req_toggle_dac_eth;
cfg_req_meta_dac <= cfg_req_toggle_dac;
cfg_req_sync_dac <= cfg_req_meta_dac;
cfg_req_sync_dac_d <= cfg_req_sync_dac;
if (cfg_req_pulse_dac) begin
dac_pulse_width <= cfg_bus_eth[31:0];
dac_pulse_period <= cfg_bus_eth[63:32];
dac_pulse_num <= cfg_bus_eth[79:64];
dac_pulse_height <= cfg_bus_eth[80 +: DAC_DATA_WIDTH];
dac_pulse_width <= cfg_bus[31:0];
dac_pulse_period <= cfg_bus[63:32];
dac_pulse_num <= cfg_bus[79:64];
dac_pulse_height <= cfg_bus[80 +: DAC_DATA_WIDTH];
cfg_ack_toggle_dac <= ~cfg_ack_toggle_dac;
end
end
end
// ETH -> ADC config CDC
// cntrl -> ADC config CDC
logic cfg_req_meta_adc, cfg_req_sync_adc, cfg_req_sync_adc_d;
wire cfg_req_pulse_adc = cfg_req_sync_adc ^ cfg_req_sync_adc_d;
@@ -445,16 +317,18 @@ module control #(
cfg_req_sync_adc_d <= 1'b0;
cfg_ack_toggle_adc <= 1'b0;
adc_pulse_period <= '0;
adc_pulse_num <= '0;
adc_pulse_period <= '0;
adc_pulse_num <= '0;
adc_window_size <= '0;
end else begin
cfg_req_meta_adc <= cfg_req_toggle_adc_eth;
cfg_req_meta_adc <= cfg_req_toggle_adc;
cfg_req_sync_adc <= cfg_req_meta_adc;
cfg_req_sync_adc_d <= cfg_req_sync_adc;
if (cfg_req_pulse_adc) begin
adc_pulse_period <= cfg_bus_eth[127:96];
adc_pulse_num <= cfg_bus_eth[79:64];
adc_pulse_period <= cfg_bus[127:96];
adc_pulse_num <= cfg_bus[79:64];
adc_window_size <= cfg_bus[159:128];
cfg_ack_toggle_adc <= ~cfg_ack_toggle_adc;
end
@@ -0,0 +1,221 @@
import dma_reg_pkg::*;
module controller_wrapper_axil #(
parameter int unsigned ADDR_W = 16,
parameter int unsigned DATA_W = 32,
parameter int unsigned USER_W = 1,
parameter int unsigned DAC_DATA_WIDTH = 12
)
(
input logic ctrl_clk,
input logic dac_clk_in,
input logic adc_clk_in,
input logic rst_n,
axi4l_if.slave s_axil,
// adc_clk_in domain
input logic finish,
output logic [31:0] adc_window_size,
// dac_clk_in domain outputs
output logic [31:0] dac_pulse_width,
output logic [31:0] dac_pulse_period,
output logic [DAC_DATA_WIDTH-1:0] dac_pulse_height,
output logic [15:0] dac_pulse_num,
// adc_clk_in domain outputs
output logic [31:0] adc_pulse_period,
output logic [15:0] adc_pulse_num,
// pulse outputs
output logic dac_start,
output logic adc_start,
output logic dac_rst,
output logic adc_rst,
// AXIS DMA
axis_if.slave s_axis_status_read,
axis_if.slave s_axis_status_write,
axis_if.master m_axis_desc_read,
axis_if.master m_axis_desc_write
);
logic start, rst_soft, send_desc_read, send_desc_write, take_status_read, take_status_write, cfg_bus_valid, busy;
logic [31:0] pulse_width, pulse_period, pulse_num, pulse_height_raw, pulse_period_ADC, window_size;
logic [7:0] error_code;
logic [31:0] desc_read_addr, desc_read_len, desc_read_config, status_read;
logic [31:0] desc_write_addr, desc_write_len_and_tag, status_write_len, status_write_config;
logic desc_read_dma_busy, desc_write_dma_busy, status_read_dma_busy, status_write_dma_busy;
logic desc_read_dma_hs, desc_write_dma_hs, status_read_dma_hs, status_write_dma_hs;
axi4l_reg_map_controller #(
.ADDR_W(ADDR_W),
.DATA_W(DATA_W),
.USER_W(USER_W)
) axi4l_reg_map_controller_inst (
.clk(ctrl_clk),
.rst_n(rst_n),
.s_axil(s_axil),
// CONTROLLER ADC/ DAC
.start_o(start),
.cfg_bus_valid_o(cfg_bus_valid),
.pulse_width_o(pulse_width),
.pulse_period_o(pulse_period),
.pulse_num_o(pulse_num),
.pulse_height_raw_o(pulse_height_raw),
.pulse_period_ADC_o(pulse_period_ADC),
.window_size_o(window_size),
.rst_soft_o(rst_soft),
.busy_i(busy),
.error_code_i(error_code),
// CONTROLLER DMA
.send_desc_read_o(send_desc_read),
.send_desc_write_o(send_desc_write),
.take_status_read_o(take_status_read),
.take_status_write_o(take_status_write),
.desc_read_addr_o(desc_read_addr),
.desc_read_len_o(desc_read_len),
.desc_read_config_o(desc_read_config),
.status_read_i(status_read),
.desc_write_addr_o(desc_write_addr),
.desc_write_len_and_tag_o(desc_write_len_and_tag),
.status_write_len_i(status_write_len),
.status_write_config_i(status_write_config),
.desc_read_dma_busy_i(desc_read_dma_busy),
.desc_write_dma_busy_i(desc_write_dma_busy),
.status_read_dma_busy_i(status_read_dma_busy),
.status_write_dma_busy_i(status_write_dma_busy),
.desc_read_dma_hs_i(desc_read_dma_hs),
.desc_write_dma_hs_i(desc_write_dma_hs),
.status_read_dma_hs_i(status_read_dma_hs),
.status_write_dma_hs_i(status_write_dma_hs)
);
// CONTROLLER DAC ADC
// -------------------------------------------------------------------------
// Field layout inside cfg_bus:
// [31:0] pulse_width
// [63:32] pulse_period
// [79:64] pulse_num
// [95:80] pulse_height_raw[15:0]
// [127:96] pulse_period_ADC
// [159:128] window_size
// -------------------------------------------------------------------------
(* MARK_DEBUG="true" *) logic [159:0] cfg_bus;
assign cfg_bus = {window_size, pulse_period_ADC, pulse_height_raw[15:0], pulse_num[15:0], pulse_period, pulse_width};
control #(
.DAC_DATA_WIDTH(DAC_DATA_WIDTH)
)
controller (
.ctrl_clk(ctrl_clk),
.dac_clk_in(dac_clk_in),
.adc_clk_in(adc_clk_in),
.rst_n(rst_n),
.rst_soft(rst_soft),
.finish(finish),
.cfg_bus_input(cfg_bus),
.cfg_bus_valid(cfg_bus_valid),
.start(start),
.busy(busy),
.dac_pulse_width(dac_pulse_width),
.dac_pulse_period(dac_pulse_period),
.dac_pulse_height(dac_pulse_height),
.dac_pulse_num(dac_pulse_num),
.adc_pulse_period(adc_pulse_period),
.adc_pulse_num(adc_pulse_num),
.adc_window_size(adc_window_size),
.dac_start(dac_start),
.adc_start(adc_start),
.dac_rst(dac_rst),
.adc_rst(adc_rst)
);
// CONTROLLER DMA
dma_read_desc_t desc_read_cmd, desc_read_cmd_out;
assign desc_read_cmd.addr = desc_read_addr;
assign desc_read_cmd.len = desc_read_len;
assign desc_read_cmd.tag = desc_read_config[TAG_WIDTH-1:0];
assign desc_read_cmd.id = desc_read_config[TAG_WIDTH +: AXIS_ID_WIDTH];
assign desc_read_cmd.dest = desc_read_config[TAG_WIDTH+AXIS_ID_WIDTH +: AXIS_DEST_WIDTH];
assign desc_read_cmd.user = desc_read_config[TAG_WIDTH+AXIS_ID_WIDTH+AXIS_DEST_WIDTH +: AXIS_USER_WIDTH];
dma_write_desc_t desc_write_cmd, desc_write_cmd_out;
assign desc_write_cmd.addr = desc_write_addr;
assign desc_write_cmd.len = desc_write_len_and_tag[LEN_WIDTH-1:0];
assign desc_write_cmd.tag = desc_write_len_and_tag[LEN_WIDTH +: TAG_WIDTH];
dma_read_status_t status_read_cmd, status_read_cmd_in;
assign status_read = { status_read_cmd.error, status_read_cmd.tag};
dma_write_status_t status_write_cmd, status_write_cmd_in;
assign status_write_len = status_write_cmd.len;
assign status_write_config = { status_write_cmd.error, status_write_cmd.user,
status_write_cmd.dest, status_write_cmd.id, status_write_cmd.tag};
dma_controller dma_controller_inst
(
.dma_clk(ctrl_clk),
.rst_n(rst_n),
.send_desc_read(send_desc_read),
.send_desc_write(send_desc_write),
.take_status_read(take_status_read),
.take_status_write(take_status_write),
.desc_read_cmd(desc_read_cmd),
.desc_write_cmd(desc_write_cmd),
.status_read_cmd(status_read_cmd),
.status_write_cmd(status_write_cmd),
.desc_read_cmd_out(desc_read_cmd_out),
.desc_write_cmd_out(desc_write_cmd_out),
.status_read_cmd_in(status_read_cmd_in),
.status_write_cmd_in(status_write_cmd_in),
.ready_desc_read(m_axis_desc_read.resp.ready),
.ready_desc_write(m_axis_desc_write.resp.ready),
.ready_status_read(s_axis_status_read.resp.ready),
.ready_status_write(s_axis_status_write.resp.ready),
.valid_desc_read(m_axis_desc_read.req.t.valid),
.valid_desc_write(m_axis_desc_write.req.t.valid),
.valid_status_read(s_axis_status_read.req.t.valid),
.valid_status_write(s_axis_status_write.req.t.valid),
.desc_read_dma_busy(desc_read_dma_busy),
.desc_write_dma_busy(desc_write_dma_busy),
.status_read_dma_busy(status_read_dma_busy),
.status_write_dma_busy(status_write_dma_busy),
.desc_read_dma_hs(desc_read_dma_hs),
.desc_write_dma_hs(desc_write_dma_hs),
.status_read_dma_hs(status_read_dma_hs),
.status_write_dma_hs(status_write_dma_hs)
);
axis_defaults_master defaults_rd (.axis(m_axis_desc_read));
axis_defaults_master defaults_wr (.axis(m_axis_desc_write));
assign m_axis_desc_read.req.t.data = desc_read_cmd_out;
assign m_axis_desc_write.req.t.data = desc_write_cmd_out;
assign status_read_cmd_in = s_axis_status_read.req.t.data;
assign status_write_cmd_in = s_axis_status_write.req.t.data;
endmodule
+111
View File
@@ -0,0 +1,111 @@
import dma_reg_pkg::*;
module dma_controller
(
input dma_clk,
input rst_n,
input logic send_desc_read,
input logic send_desc_write,
input logic take_status_read,
input logic take_status_write,
input logic ready_desc_read,
input logic ready_desc_write,
output logic ready_status_read,
output logic ready_status_write,
input dma_read_desc_t desc_read_cmd,
input dma_write_desc_t desc_write_cmd,
output dma_read_status_t status_read_cmd,
output dma_write_status_t status_write_cmd,
input dma_read_status_t status_read_cmd_in,
input dma_write_status_t status_write_cmd_in,
output logic desc_read_dma_busy,
output logic desc_write_dma_busy,
output logic status_read_dma_busy,
output logic status_write_dma_busy,
output logic desc_read_dma_hs,
output logic desc_write_dma_hs,
output logic status_read_dma_hs,
output logic status_write_dma_hs,
output logic valid_desc_read,
output logic valid_desc_write,
input logic valid_status_read,
input logic valid_status_write,
output dma_read_desc_t desc_read_cmd_out,
output dma_write_desc_t desc_write_cmd_out
);
shaper_axis_desc
#(
.DATA_WIDTH($bits(dma_read_desc_t))
) shaper_axis_desc_read
(
.clk(dma_clk),
.rst_n(rst_n),
.data_in(desc_read_cmd),
.send(send_desc_read),
.ready(ready_desc_read),
.busy(desc_read_dma_busy),
.handshake(desc_read_dma_hs),
.data_out(desc_read_cmd_out),
.valid(valid_desc_read)
);
shaper_axis_desc
#(
.DATA_WIDTH($bits(dma_write_desc_t))
) shaper_axis_desc_write
(
.clk(dma_clk),
.rst_n(rst_n),
.data_in(desc_write_cmd),
.send(send_desc_write),
.ready(ready_desc_write),
.busy(desc_write_dma_busy),
.handshake(desc_write_dma_hs),
.data_out(desc_write_cmd_out),
.valid(valid_desc_write)
);
shaper_axis_status
#(
.DATA_WIDTH($bits(dma_read_status_t))
) shaper_axis_status_read
(
.clk(dma_clk),
.rst_n(rst_n),
.data_in(status_read_cmd_in),
.take(take_status_read),
.valid(valid_status_read),
.ready(ready_status_read),
.busy(status_read_dma_busy),
.handshake(status_read_dma_hs),
.data_out(status_read_cmd)
);
shaper_axis_status
#(
.DATA_WIDTH($bits(dma_write_status_t))
) shaper_axis_status_write
(
.clk(dma_clk),
.rst_n(rst_n),
.data_in(status_write_cmd_in),
.take(take_status_write),
.valid(valid_status_write),
.ready(ready_status_write),
.busy(status_write_dma_busy),
.handshake(status_write_dma_hs),
.data_out(status_write_cmd)
);
endmodule
+42
View File
@@ -0,0 +1,42 @@
package dma_reg_pkg;
parameter int unsigned AXI_ADDR_WIDTH = 16;
parameter int unsigned LEN_WIDTH = 20;
parameter int unsigned TAG_WIDTH = 8;
parameter int unsigned AXIS_ID_WIDTH = 8;
parameter int unsigned AXIS_DEST_WIDTH = 8;
parameter int unsigned AXIS_USER_WIDTH = 1;
typedef struct packed {
logic [AXIS_USER_WIDTH-1:0] user;
logic [AXIS_DEST_WIDTH-1:0] dest;
logic [AXIS_ID_WIDTH-1:0] id;
logic [TAG_WIDTH-1:0] tag;
logic [LEN_WIDTH-1:0] len;
logic [AXI_ADDR_WIDTH-1:0] addr;
} dma_read_desc_t;
typedef struct packed {
logic [TAG_WIDTH-1:0] tag;
logic [LEN_WIDTH-1:0] len;
logic [AXI_ADDR_WIDTH-1:0] addr;
} dma_write_desc_t;
typedef struct packed {
logic [3:0] error;
logic [TAG_WIDTH-1:0] tag;
} dma_read_status_t;
typedef struct packed {
logic [3:0] error;
logic [AXIS_USER_WIDTH-1:0] user;
logic [AXIS_DEST_WIDTH-1:0] dest;
logic [AXIS_ID_WIDTH-1:0] id;
logic [TAG_WIDTH-1:0] tag;
logic [LEN_WIDTH-1:0] len;
} dma_write_status_t;
endpackage
+54
View File
@@ -0,0 +1,54 @@
module shaper_axis_desc #(
parameter DATA_WIDTH = 128
) (
input clk,
input rst_n,
input logic [DATA_WIDTH-1:0] data_in,
input logic send,
input logic ready,
output logic busy,
output logic handshake,
output logic [DATA_WIDTH-1:0] data_out,
output logic valid
);
typedef enum logic [0:0] {
IDLE,
WAIT_READY
} wr_state;
wr_state state;
always @(posedge clk) begin
if (!rst_n) begin
state <= IDLE;
busy <= 1'b0;
handshake <= 1'b0;
data_out <= 1'b0;
valid <= 1'b0;
end else begin
case (state)
IDLE: begin
handshake <= 1'b0;
if (send) begin
valid <= 1'b1;
data_out <= data_in;
busy <= 1'b1;
state <= WAIT_READY;
end
end
WAIT_READY: begin
if (ready) begin
valid <= 1'b0;
handshake <= 1'b1;
busy <= 1'b0;
state <= IDLE;
end
end
default: state <= IDLE;
endcase
end
end
endmodule
+59
View File
@@ -0,0 +1,59 @@
module shaper_axis_status #(
parameter int unsigned DATA_WIDTH = 128
)(
input logic clk,
input logic rst_n,
input logic [DATA_WIDTH-1:0] data_in,
input logic take,
input logic valid,
output logic ready,
output logic busy,
output logic handshake,
output logic [DATA_WIDTH-1:0] data_out
);
typedef enum logic [0:0] {
IDLE,
WAIT_TAKE
} wr_state;
wr_state state;
logic [31:0] data_reg;
always @(posedge clk) begin
if (!rst_n) begin
state <= IDLE;
ready <= 1'b0;
busy <= 1'b0;
handshake <= 1'b0;
data_out <= '0;
data_reg <= '0;
end else begin
case (state)
IDLE: begin
ready <= 1'b1;
if (valid) begin
busy <= 1'b0;
data_reg <= data_in;
handshake <= 1'b1;
state <= WAIT_TAKE;
end
end
WAIT_TAKE: begin
if (take) begin
data_out <= data_reg;
ready <= 1'b0;
handshake <= 1'b0;
busy <= 1'b1;
state <= IDLE;
end
end
endcase
end
end
endmodule
+34 -46
View File
@@ -1,52 +1,40 @@
# SPDX-License-Identifier: MIT
#
# Copyright (c) 2025 FPGA Ninja, LLC
#
# Authors:
# - Alex Forencich
#
TOPLEVEL_LANG = verilog
SIM ?= verilator
# FPGA settings
FPGA_PART = xc7a35tfgg484-1
FPGA_TOP = control
FPGA_ARCH = artix7
PWD := $(shell pwd)
RTL_DIR = ../src
RTL_DIR = $(PWD)/../src
LIBS_DIR = $(PWD)/../../../external/rtl_libs
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axi_pkg.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axi_if.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axi4l_flat_to_if.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axi4l_if_to_flat.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/axi_reg/axi4l_reg_map.sv
VERILOG_SOURCES += $(RTL_DIR)/controller.sv
VERILOG_SOURCES += $(RTL_DIR)/dma_controller.sv
VERILOG_SOURCES += $(RTL_DIR)/shaper_axis_desc.sv
VERILOG_SOURCES += $(RTL_DIR)/shaper_axis_status.sv
VERILOG_SOURCES += $(RTL_DIR)/controller_wrapper_axil.sv
VERILOG_SOURCES += $(RTL_DIR)/axi4l_reg_map_controller_pkg.sv
VERILOG_SOURCES += $(RTL_DIR)/axi4l_reg_map_controller.sv
VERILOG_SOURCES += $(PWD)/tb_controller_wrapper_axil.sv
TOPLEVEL = tb_controller_wrapper_axil
MODULE = test_controller
include ../../../scripts/vivado.mk
SYN_FILES += $(sort $(shell find ../src -type f \( -name '*.v' -o -name '*.sv' \)))
XCI_FILES = $(sort $(shell find ../src -type f -name '*.xci'))
XDC_FILES += ../../../constraints/ax7a035b.xdc
XDC_FILES += test_timing.xdc
SYN_FILES += controller_tb.sv
SIM_TOP = control_tb
ifeq ($(SIM),verilator)
EXTRA_ARGS += --trace --trace-structs
EXTRA_ARGS += -I$(LIBS_DIR)/axi/rtl/
COMPILE_ARGS += -Wno-fatal
COMPILE_ARGS += -I$(LIBS_DIR)/axi/rtl/
EXTRA_ARGS += --trace
EXTRA_ARGS += --trace-structs
EXTRA_ARGS += --public-flat-rw
EXTRA_ARGS += -Wno-fatal
EXTRA_ARGS += --timing
endif
program: $(PROJECT).bit
echo "open_hw_manager" > program.tcl
echo "connect_hw_server" >> program.tcl
echo "open_hw_target" >> program.tcl
echo "current_hw_device [lindex [get_hw_devices] 0]" >> program.tcl
echo "refresh_hw_device -update_hw_probes false [current_hw_device]" >> program.tcl
echo "set_property PROGRAM.FILE {$(PROJECT).bit} [current_hw_device]" >> program.tcl
echo "program_hw_devices [current_hw_device]" >> program.tcl
echo "exit" >> program.tcl
vivado -nojournal -nolog -mode batch -source program.tcl
$(PROJECT).mcs $(PROJECT).prm: $(PROJECT).bit
echo "write_cfgmem -force -format mcs -size 16 -interface SPIx4 -loadbit {up 0x0000000 $*.bit} -checksum -file $*.mcs" > generate_mcs.tcl
echo "exit" >> generate_mcs.tcl
vivado -nojournal -nolog -mode batch -source generate_mcs.tcl
mkdir -p rev
COUNT=100; \
while [ -e rev/$*_rev$$COUNT.bit ]; \
do COUNT=$$((COUNT+1)); done; \
COUNT=$$((COUNT-1)); \
for x in .mcs .prm; \
do cp $*$$x rev/$*_rev$$COUNT$$x; \
echo "Output: rev/$*_rev$$COUNT$$x"; done;
include $(shell cocotb-config --makefiles)/Makefile.sim
+532 -180
View File
@@ -4,72 +4,17 @@ module tb_control;
localparam int unsigned DAC_DATA_WIDTH = 12;
//------------------------------------------------------------
// Clocks / reset
logic eth_clk_in;
//------------------------------------------------------------
logic ctrl_clk;
logic dac_clk_in;
logic adc_clk_in;
logic rst_n;
// axi stream (input)
logic [7:0] s_axis_tdata;
logic s_axis_tvalid;
logic s_axis_tready;
logic s_axis_tlast;
// ADC side input
logic finish;
// DUT outputs
logic [31:0] dac_pulse_width;
logic [31:0] dac_pulse_period;
logic [DAC_DATA_WIDTH-1:0] dac_pulse_height;
logic [15:0] dac_pulse_num;
logic [31:0] adc_pulse_period;
logic [15:0] adc_pulse_num;
logic dac_start;
logic adc_start;
logic dac_rst;
logic adc_rst;
// DUT
control #(
.DAC_DATA_WIDTH(DAC_DATA_WIDTH)
) dut (
.eth_clk_in (eth_clk_in),
.dac_clk_in (dac_clk_in),
.adc_clk_in (adc_clk_in),
.rst_n (rst_n),
.s_axis_tdata (s_axis_tdata),
.s_axis_tvalid (s_axis_tvalid),
.s_axis_tready (s_axis_tready),
.s_axis_tlast (s_axis_tlast),
.finish (finish),
.dac_pulse_width (dac_pulse_width),
.dac_pulse_period (dac_pulse_period),
.dac_pulse_height (dac_pulse_height),
.dac_pulse_num (dac_pulse_num),
.adc_pulse_period (adc_pulse_period),
.adc_pulse_num (adc_pulse_num),
.dac_start (dac_start),
.adc_start (adc_start),
.dac_rst (dac_rst),
.adc_rst (adc_rst)
);
// Clock generation
initial begin
eth_clk_in = 1'b0;
forever #(1 * 4.000) eth_clk_in = ~eth_clk_in; // 125 MHz
ctrl_clk = 1'b0;
forever #(1 * 4.000) ctrl_clk = ~ctrl_clk; // 125 MHz
end
initial begin
@@ -82,8 +27,81 @@ module tb_control;
forever #(1 * 7.692307692) adc_clk_in = ~adc_clk_in; // ~65 MHz
end
//------------------------------------------------------------
// DUT inputs
//------------------------------------------------------------
logic rst_soft;
logic finish;
logic [159:0] cfg_bus_input;
logic cfg_bus_valid;
logic start;
//------------------------------------------------------------
// DUT outputs
//------------------------------------------------------------
logic busy;
logic [31:0] dac_pulse_width;
logic [31:0] dac_pulse_period;
logic [DAC_DATA_WIDTH-1:0] dac_pulse_height;
logic [15:0] dac_pulse_num;
logic [31:0] adc_pulse_period;
logic [15:0] adc_pulse_num;
logic [31:0] adc_window_size;
logic dac_start;
logic adc_start;
logic dac_rst;
logic adc_rst;
//------------------------------------------------------------
// DUT
//------------------------------------------------------------
control #(
.DAC_DATA_WIDTH(DAC_DATA_WIDTH)
) dut (
.ctrl_clk (ctrl_clk),
.dac_clk_in (dac_clk_in),
.adc_clk_in (adc_clk_in),
.rst_n (rst_n),
.rst_soft (rst_soft),
.finish (finish),
.cfg_bus_input (cfg_bus_input),
.cfg_bus_valid (cfg_bus_valid),
.start (start),
.busy (busy),
.dac_pulse_width (dac_pulse_width),
.dac_pulse_period (dac_pulse_period),
.dac_pulse_height (dac_pulse_height),
.dac_pulse_num (dac_pulse_num),
.adc_pulse_period (adc_pulse_period),
.adc_pulse_num (adc_pulse_num),
.adc_window_size (adc_window_size),
.dac_start (dac_start),
.adc_start (adc_start),
.dac_rst (dac_rst),
.adc_rst (adc_rst)
);
//------------------------------------------------------------
// pulse counters and monitors for testing
//------------------------------------------------------------
int dac_rst_count;
int adc_rst_count;
int dac_start_count;
@@ -93,9 +111,13 @@ module tb_control;
if (!rst_n) begin
dac_rst_count <= 0;
dac_start_count <= 0;
end else begin
if (dac_rst) dac_rst_count <= dac_rst_count + 1;
if (dac_start) dac_start_count <= dac_start_count + 1;
end
else begin
if (dac_rst)
dac_rst_count <= dac_rst_count + 1;
if (dac_start)
dac_start_count <= dac_start_count + 1;
end
end
@@ -103,84 +125,113 @@ module tb_control;
if (!rst_n) begin
adc_rst_count <= 0;
adc_start_count <= 0;
end else begin
if (adc_rst) adc_rst_count <= adc_rst_count + 1;
if (adc_start) adc_start_count <= adc_start_count + 1;
end
else begin
if (adc_rst)
adc_rst_count <= adc_rst_count + 1;
if (adc_start)
adc_start_count <= adc_start_count + 1;
end
end
// some helpers for axi
task automatic axis_send_byte(input logic [7:0] data, input logic last);
begin
@(negedge eth_clk_in);
s_axis_tdata <= data;
s_axis_tvalid <= 1'b1;
s_axis_tlast <= last;
@(posedge eth_clk_in);
while (!s_axis_tready) begin
@(posedge eth_clk_in);
end
s_axis_tvalid <= 1'b0;
s_axis_tlast <= 1'b0;
s_axis_tdata <= '0;
end
endtask
//------------------------------------------------------------
// helpers
//------------------------------------------------------------
task automatic send_cmd(input logic [7:0] cmd);
begin
axis_send_byte(cmd, 1'b1);
end
begin
@(negedge ctrl_clk);
case (cmd)
8'h0F: begin
rst_soft <= 1'b1;
@(posedge ctrl_clk);
rst_soft <= 1'b0;
end
8'hF0: begin
start <= 1'b1;
@(posedge ctrl_clk);
start <= 1'b0;
end
default:
$fatal(1, "Unsupported command %h", cmd);
endcase
end
endtask
task automatic send_set_data(
input logic [31:0] pulse_width,
input logic [31:0] pulse_period,
input logic [15:0] pulse_num,
input logic [15:0] pulse_height_raw,
input logic [31:0] pulse_period_adc
);
logic [127:0] payload;
int i;
begin
// little-endian payload layout:
// [31:0] pulse_width
// [63:32] pulse_period
// [79:64] pulse_num
// [95:80] pulse_height_raw
// [127:96] pulse_period_ADC
input logic [31:0] pulse_width,
input logic [31:0] pulse_period,
input logic [15:0] pulse_num,
input logic [15:0] pulse_height_raw,
input logic [31:0] pulse_period_adc,
input logic [31:0] window_size
);
payload = {pulse_period_adc, pulse_height_raw, pulse_num, pulse_period, pulse_width};
logic [159:0] payload;
axis_send_byte(8'h88, 1'b0); // CMD_SET_DATA
begin
for (i = 0; i < 16; i++) begin
axis_send_byte(payload[i*8 +: 8], (i == 15));
end
end
endtask
payload = {
window_size,
pulse_period_adc,
pulse_height_raw,
pulse_num,
pulse_period,
pulse_width
};
@(negedge ctrl_clk);
cfg_bus_input <= payload;
cfg_bus_valid <= 1'b1;
@(posedge ctrl_clk);
cfg_bus_valid <= 1'b0;
cfg_bus_input <= '0;
end
endtask
task automatic pulse_finish;
begin
@(posedge adc_clk_in);
finish <= 1'b1;
@(posedge adc_clk_in);
finish <= 1'b0;
end
endtask
//------------------------------------------------------------
// waiters
//------------------------------------------------------------
task automatic wait_dac_rst_count(input int expected, input int max_cycles = 100);
int i;
begin
for (i = 0; i < max_cycles; i++) begin
@(posedge dac_clk_in);
if (dac_rst_count >= expected) return;
if (dac_rst_count >= expected)
return;
end
$fatal(1, "Timeout waiting for dac_rst_count >= %0d, current=%0d", expected, dac_rst_count);
$fatal(1,
"Timeout waiting for dac_rst_count >= %0d, current=%0d",
expected,
dac_rst_count
);
end
endtask
@@ -189,9 +240,16 @@ module tb_control;
begin
for (i = 0; i < max_cycles; i++) begin
@(posedge adc_clk_in);
if (adc_rst_count >= expected) return;
if (adc_rst_count >= expected)
return;
end
$fatal(1, "Timeout waiting for adc_rst_count >= %0d, current=%0d", expected, adc_rst_count);
$fatal(1,
"Timeout waiting for adc_rst_count >= %0d, current=%0d",
expected,
adc_rst_count
);
end
endtask
@@ -200,9 +258,16 @@ module tb_control;
begin
for (i = 0; i < max_cycles; i++) begin
@(posedge dac_clk_in);
if (dac_start_count >= expected) return;
if (dac_start_count >= expected)
return;
end
$fatal(1, "Timeout waiting for dac_start_count >= %0d, current=%0d", expected, dac_start_count);
$fatal(1,
"Timeout waiting for dac_start_count >= %0d, current=%0d",
expected,
dac_start_count
);
end
endtask
@@ -211,165 +276,290 @@ module tb_control;
begin
for (i = 0; i < max_cycles; i++) begin
@(posedge adc_clk_in);
if (adc_start_count >= expected) return;
end
$fatal(1, "Timeout waiting for adc_start_count >= %0d, current=%0d", expected, adc_start_count);
end
endtask
task automatic wait_cfg_applied(
input logic [31:0] exp_pulse_width,
input logic [31:0] exp_pulse_period,
input logic [15:0] exp_pulse_num,
input logic [15:0] exp_pulse_height_raw,
input logic [31:0] exp_pulse_period_adc,
input int max_cycles = 200
);
logic [DAC_DATA_WIDTH-1:0] exp_dac_height;
int i;
begin
exp_dac_height = exp_pulse_height_raw[DAC_DATA_WIDTH-1:0];
for (i = 0; i < max_cycles; i++) begin
@(posedge eth_clk_in);
if ((dac_pulse_width === exp_pulse_width ) &&
(dac_pulse_period === exp_pulse_period) &&
(dac_pulse_num === exp_pulse_num ) &&
(dac_pulse_height === exp_dac_height ) &&
(adc_pulse_period === exp_pulse_period_adc) &&
(adc_pulse_num === exp_pulse_num )) begin
if (adc_start_count >= expected)
return;
end
end
$fatal(1,
"Timeout waiting config outputs. Got: dac_width=%h dac_period=%h dac_num=%h dac_height=%h adc_period=%h adc_num=%h",
dac_pulse_width, dac_pulse_period, dac_pulse_num, dac_pulse_height,
adc_pulse_period, adc_pulse_num
"Timeout waiting for adc_start_count >= %0d, current=%0d",
expected,
adc_start_count
);
end
endtask
task automatic wait_cfg_applied(
input logic [31:0] exp_pulse_width,
input logic [31:0] exp_pulse_period,
input logic [15:0] exp_pulse_num,
input logic [15:0] exp_pulse_height_raw,
input logic [31:0] exp_pulse_period_adc,
input logic [31:0] exp_window_size,
input int max_cycles = 200
);
logic [DAC_DATA_WIDTH-1:0] exp_height;
int i;
begin
exp_height = exp_pulse_height_raw[DAC_DATA_WIDTH-1:0];
for(i=0;i<max_cycles;i++) begin
@(posedge ctrl_clk);
if(
dac_pulse_width == exp_pulse_width &&
dac_pulse_period == exp_pulse_period &&
dac_pulse_num == exp_pulse_num &&
dac_pulse_height == exp_height &&
adc_pulse_period == exp_pulse_period_adc &&
adc_pulse_num == exp_pulse_num &&
adc_window_size == exp_window_size
)
return;
end
$fatal("Configuration timeout");
end
endtask
//------------------------------------------------------------
// Test sequence
//------------------------------------------------------------
logic [31:0] test_pulse_width;
logic [31:0] test_pulse_period;
logic [15:0] test_pulse_num;
logic [15:0] test_pulse_height_raw;
logic [31:0] test_pulse_period_adc;
logic [31:0] test_window_size;
initial begin
// defaults
rst_n = 1'b0;
s_axis_tdata = '0;
s_axis_tvalid = 1'b0;
s_axis_tlast = 1'b0;
rst_soft = 1'b0;
start = 1'b0;
finish = 1'b0;
cfg_bus_input = '0;
cfg_bus_valid = 1'b0;
test_pulse_width = 32'h11223344;
test_pulse_period = 32'h55667788;
test_pulse_num = 16'hA1B2;
test_pulse_height_raw = 16'h0CDE; // for DAC_DATA_WIDTH=12 => 12'hCDE
test_pulse_period_adc = 32'h50607080;
test_window_size = 32'hABCDEF55;
repeat (10) @(posedge eth_clk_in);
repeat (10) @(posedge ctrl_clk);
rst_n = 1'b1;
repeat (10) @(posedge eth_clk_in);
repeat (10) @(posedge ctrl_clk);
//--------------------------------------------------------
// TEST 1: soft_reset
//--------------------------------------------------------
$display("[%0t] TEST 1: soft_reset", $time);
send_cmd(8'h0F);
wait_dac_rst_count(1);
wait_adc_rst_count(1);
if (dac_rst_count != 1) begin
$fatal(1, "Expected exactly one dac_rst pulse after first soft_reset, got %0d", dac_rst_count);
$fatal(1,
"Expected exactly one dac_rst pulse after first soft_reset, got %0d",
dac_rst_count
);
end
if (adc_rst_count != 1) begin
$fatal(1, "Expected exactly one adc_rst pulse after first soft_reset, got %0d", adc_rst_count);
$fatal(1,
"Expected exactly one adc_rst pulse after first soft_reset, got %0d",
adc_rst_count
);
end
$display("[%0t] TEST 1 passed", $time);
//--------------------------------------------------------
// TEST 2: set_data
//--------------------------------------------------------
$display("[%0t] TEST 2: set_data", $time);
send_set_data(
test_pulse_width,
test_pulse_period,
test_pulse_num,
test_pulse_height_raw,
test_pulse_period_adc
);
test_pulse_width,
test_pulse_period,
test_pulse_num,
test_pulse_height_raw,
test_pulse_period_adc,
test_window_size
);
wait_cfg_applied(
test_pulse_width,
test_pulse_period,
test_pulse_num,
test_pulse_height_raw,
test_pulse_period_adc
);
test_pulse_width,
test_pulse_period,
test_pulse_num,
test_pulse_height_raw,
test_pulse_period_adc,
test_window_size
);
if (dac_pulse_width !== 32'h11223344) begin
$fatal(1, "dac_pulse_width mismatch: got %h expected %h", dac_pulse_width, 32'h11223344);
$fatal(1,
"dac_pulse_width mismatch: got %h expected %h",
dac_pulse_width,
32'h11223344
);
end
if (dac_pulse_period !== 32'h55667788) begin
$fatal(1, "dac_pulse_period mismatch: got %h expected %h", dac_pulse_period, 32'h55667788);
$fatal(1,
"dac_pulse_period mismatch: got %h expected %h",
dac_pulse_period,
32'h55667788
);
end
if (dac_pulse_num !== 16'hA1B2) begin
$fatal(1, "dac_pulse_num mismatch: got %h expected %h", dac_pulse_num, 16'hA1B2);
$fatal(1,
"dac_pulse_num mismatch: got %h expected %h",
dac_pulse_num,
16'hA1B2
);
end
if (dac_pulse_height !== 12'hCDE) begin
$fatal(1, "dac_pulse_height mismatch: got %h expected %h", dac_pulse_height, 12'hCDE);
$fatal(1,
"dac_pulse_height mismatch: got %h expected %h",
dac_pulse_height,
12'hCDE
);
end
if (adc_pulse_period !== 32'h50607080) begin
$fatal(1, "adc_pulse_period mismatch: got %h expected %h", adc_pulse_period, 32'h50607080);
$fatal(1,
"adc_pulse_period mismatch: got %h expected %h",
adc_pulse_period,
32'h50607080
);
end
if (adc_pulse_num !== 16'hA1B2) begin
$fatal(1, "adc_pulse_num mismatch: got %h expected %h", adc_pulse_num, 16'hA1B2);
$fatal(1,
"adc_pulse_num mismatch: got %h expected %h",
adc_pulse_num,
16'hA1B2
);
end
if(adc_window_size != test_window_size)
$fatal(
"adc_window_size mismatch. got=%h expected=%h",
adc_window_size,
test_window_size
);
$display("[%0t] TEST 2 passed", $time);
repeat (20) @(posedge eth_clk_in);
repeat (20) @(posedge ctrl_clk);
//--------------------------------------------------------
// TEST 3: start
//--------------------------------------------------------
$display("[%0t] TEST 3: start", $time);
send_cmd(8'hF0);
wait_dac_start_count(1);
wait_adc_start_count(1);
if (dac_start_count != 1) begin
$fatal(1, "Expected exactly one dac_start pulse after first start, got %0d", dac_start_count);
$fatal(1,
"Expected exactly one dac_start pulse after first start, got %0d",
dac_start_count
);
end
if (adc_start_count != 1) begin
$fatal(1, "Expected exactly one adc_start pulse after first start, got %0d", adc_start_count);
$fatal(1,
"Expected exactly one adc_start pulse after first start, got %0d",
adc_start_count
);
end
if (!busy) begin
$fatal(1,
"busy must be asserted after start"
);
end
$display("[%0t] TEST 3 start pulses passed", $time);
//--------------------------------------------------------
// release busy by finish pulse from ADC domain
//--------------------------------------------------------
$display("[%0t] Sending finish pulse", $time);
pulse_finish();
// a bit of wait for finish CDC back to ETH
repeat (20) @(posedge eth_clk_in);
repeat (20) @(posedge ctrl_clk);
if (busy) begin
$fatal(1,
"busy was not cleared after finish pulse"
);
end
//--------------------------------------------------------
// sanity check that commands are accepted again after finish
//--------------------------------------------------------
$display("[%0t] TEST 4: soft_reset after finish", $time);
send_cmd(8'h0F);
wait_dac_rst_count(2);
wait_adc_rst_count(2);
if (dac_rst_count != 2) begin
$fatal(1, "Expected exactly two dac_rst pulses total, got %0d", dac_rst_count);
$fatal(1,
"Expected exactly two dac_rst pulses total, got %0d",
dac_rst_count
);
end
if (adc_rst_count != 2) begin
$fatal(1, "Expected exactly two adc_rst pulses total, got %0d", adc_rst_count);
$fatal(1,
"Expected exactly two adc_rst pulses total, got %0d",
adc_rst_count
);
end
$display("[%0t] TEST 4 passed", $time);
//--------------------------------------------------------
$display("==============================================");
$display("ALL BASIC TESTS PASSED");
$display("dac_rst_count = %0d", dac_rst_count);
@@ -378,8 +568,170 @@ module tb_control;
$display("adc_start_count = %0d", adc_start_count);
$display("==============================================");
#100;
#50;
//--------------------------------------------------------
// TEST 2.1: set_data
//--------------------------------------------------------
test_pulse_width = 32'h12121212;
test_pulse_period = 32'h34343434;
test_pulse_num = 16'h1A2B;
test_pulse_height_raw = 16'hC0ED; // for DAC_DATA_WIDTH=12 => 12'hCDE
test_pulse_period_adc = 32'h56565656;
test_window_size = 32'h01020304;
$display("[%0t] TEST 2.1: set_data", $time);
send_set_data(
test_pulse_width,
test_pulse_period,
test_pulse_num,
test_pulse_height_raw,
test_pulse_period_adc,
test_window_size
);
wait_cfg_applied(
test_pulse_width,
test_pulse_period,
test_pulse_num,
test_pulse_height_raw,
test_pulse_period_adc,
test_window_size
);
if (dac_pulse_width !== 32'h12121212) begin
$fatal(1,
"dac_pulse_width mismatch: got %h expected %h",
dac_pulse_width,
32'h12121212
);
end
if (dac_pulse_period !== 32'h34343434) begin
$fatal(1,
"dac_pulse_period mismatch: got %h expected %h",
dac_pulse_period,
32'h34343434
);
end
if (dac_pulse_num !== 16'h1A2B) begin
$fatal(1,
"dac_pulse_num mismatch: got %h expected %h",
dac_pulse_num,
16'h1A2B
);
end
if (dac_pulse_height !== 12'hC0ED) begin
$fatal(1,
"dac_pulse_height mismatch: got %h expected %h",
dac_pulse_height,
12'hC0ED
);
end
if (adc_pulse_period !== 32'h56565656) begin
$fatal(1,
"adc_pulse_period mismatch: got %h expected %h",
adc_pulse_period,
32'h56565656
);
end
$display("[%0t] TEST 2.1 passed", $time);
repeat (20) @(posedge ctrl_clk);
//--------------------------------------------------------
// TEST 3.1: start
//--------------------------------------------------------
$display("[%0t] TEST 3.1: start", $time);
send_cmd(8'hF0);
wait_dac_start_count(2);
wait_adc_start_count(2);
if (dac_start_count != 2) begin
$fatal(1,
"Expected exactly one dac_start pulse after first start, got %0d",
dac_start_count
);
end
if (adc_start_count != 2) begin
$fatal(1,
"Expected exactly one adc_start pulse after first start, got %0d",
adc_start_count
);
end
if (!busy) begin
$fatal(1,
"busy must be asserted after start"
);
end
$display("[%0t] TEST 3.1 start pulses passed", $time);
//--------------------------------------------------------
// release busy by finish pulse from ADC domain
//--------------------------------------------------------
$display("[%0t] Sending finish pulse", $time);
pulse_finish();
repeat (20) @(posedge ctrl_clk);
if (busy) begin
$fatal(1,
"busy was not cleared after finish pulse"
);
end
//--------------------------------------------------------
// sanity check that commands are accepted again after finish
//--------------------------------------------------------
$display("[%0t] TEST 4.1: soft_reset after finish", $time);
send_cmd(8'h0F);
wait_dac_rst_count(2);
wait_adc_rst_count(2);
if (dac_rst_count != 2) begin
$fatal(1,
"Expected exactly two dac_rst pulses total, got %0d",
dac_rst_count
);
end
if (adc_rst_count != 2) begin
$fatal(1,
"Expected exactly two adc_rst pulses total, got %0d",
adc_rst_count
);
end
$display("[%0t] TEST 4.1 passed", $time);
//--------------------------------------------------------
$display("==============================================");
$display("ALL BASIC TESTS PASSED");
$display("dac_rst_count = %0d", dac_rst_count);
$display("adc_rst_count = %0d", adc_rst_count);
$display("dac_start_count = %0d", dac_start_count);
$display("adc_start_count = %0d", adc_start_count);
$display("==============================================");
$finish;
end
endmodule
+117 -78
View File
@@ -11,187 +11,226 @@
</db_ref>
</db_ref_list>
<zoom_setting>
<ZoomStartTime time="0.676 ns"></ZoomStartTime>
<ZoomEndTime time="645.677 ns"></ZoomEndTime>
<Cursor1Time time="349.676 ns"></Cursor1Time>
<ZoomStartTime time="160.614 ns"></ZoomStartTime>
<ZoomEndTime time="1,564.737 ns"></ZoomEndTime>
<Cursor1Time time="1,330.716 ns"></Cursor1Time>
</zoom_setting>
<column_width_setting>
<NameColumnWidth column_width="558"></NameColumnWidth>
<ValueColumnWidth column_width="61"></ValueColumnWidth>
<NameColumnWidth column_width="479"></NameColumnWidth>
<ValueColumnWidth column_width="116"></ValueColumnWidth>
</column_width_setting>
<WVObjectSize size="23" />
<wvobject type="logic" fp_name="/tb_control/eth_clk_in">
<obj_property name="ElementShortName">eth_clk_in</obj_property>
<obj_property name="ObjectShortName">eth_clk_in</obj_property>
<obj_property name="CustomSignalColor">#008080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/dac_clk_in">
<WVObjectSize size="34" />
<wvobject fp_name="/tb_control/dac_clk_in" type="logic">
<obj_property name="ElementShortName">dac_clk_in</obj_property>
<obj_property name="ObjectShortName">dac_clk_in</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/adc_clk_in">
<wvobject fp_name="/tb_control/adc_clk_in" type="logic">
<obj_property name="ElementShortName">adc_clk_in</obj_property>
<obj_property name="ObjectShortName">adc_clk_in</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/rst_n">
<wvobject fp_name="/tb_control/rst_n" type="logic">
<obj_property name="ElementShortName">rst_n</obj_property>
<obj_property name="ObjectShortName">rst_n</obj_property>
<obj_property name="CustomSignalColor">#800080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/s_axis_tdata">
<obj_property name="ElementShortName">s_axis_tdata[7:0]</obj_property>
<obj_property name="ObjectShortName">s_axis_tdata[7:0]</obj_property>
<obj_property name="CustomSignalColor">#008080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
<obj_property name="Radix">BINARYRADIX</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/s_axis_tvalid">
<obj_property name="ElementShortName">s_axis_tvalid</obj_property>
<obj_property name="ObjectShortName">s_axis_tvalid</obj_property>
<wvobject fp_name="/tb_control/rst_soft" type="logic">
<obj_property name="ElementShortName">rst_soft</obj_property>
<obj_property name="ObjectShortName">rst_soft</obj_property>
<obj_property name="CustomSignalColor">#008080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/s_axis_tready">
<obj_property name="ElementShortName">s_axis_tready</obj_property>
<obj_property name="ObjectShortName">s_axis_tready</obj_property>
<obj_property name="CustomSignalColor">#008080</obj_property>
<wvobject fp_name="/tb_control/start" type="logic">
<obj_property name="ElementShortName">start</obj_property>
<obj_property name="ObjectShortName">start</obj_property>
<obj_property name="CustomSignalColor">#E0FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/s_axis_tlast">
<obj_property name="ElementShortName">s_axis_tlast</obj_property>
<obj_property name="ObjectShortName">s_axis_tlast</obj_property>
<obj_property name="CustomSignalColor">#008080</obj_property>
<wvobject fp_name="/tb_control/dut/adc_start_pulse" type="logic">
<obj_property name="ElementShortName">adc_start_pulse</obj_property>
<obj_property name="ObjectShortName">adc_start_pulse</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/dac_start_pulse" type="logic">
<obj_property name="ElementShortName">dac_start_pulse</obj_property>
<obj_property name="ObjectShortName">dac_start_pulse</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/busy" type="logic">
<obj_property name="ElementShortName">busy</obj_property>
<obj_property name="ObjectShortName">busy</obj_property>
<obj_property name="CustomSignalColor">#E0FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/finish">
<wvobject fp_name="/tb_control/finish" type="logic">
<obj_property name="ElementShortName">finish</obj_property>
<obj_property name="ObjectShortName">finish</obj_property>
<obj_property name="CustomSignalColor">#FAAFBE</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/dac_pulse_width">
<wvobject fp_name="/tb_control/dut/finish_pulse" type="logic">
<obj_property name="ElementShortName">finish_pulse</obj_property>
<obj_property name="ObjectShortName">finish_pulse</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/cfg_bus_valid" type="logic">
<obj_property name="ElementShortName">cfg_bus_valid</obj_property>
<obj_property name="ObjectShortName">cfg_bus_valid</obj_property>
<obj_property name="CustomSignalColor">#FF0080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/cfg_bus_input" type="array">
<obj_property name="ElementShortName">cfg_bus_input[159:0]</obj_property>
<obj_property name="ObjectShortName">cfg_bus_input[159:0]</obj_property>
<obj_property name="CustomSignalColor">#FF0080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_pulse_width" type="array">
<obj_property name="ElementShortName">dac_pulse_width[31:0]</obj_property>
<obj_property name="ObjectShortName">dac_pulse_width[31:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/dac_pulse_period">
<wvobject fp_name="/tb_control/dac_pulse_period" type="array">
<obj_property name="ElementShortName">dac_pulse_period[31:0]</obj_property>
<obj_property name="ObjectShortName">dac_pulse_period[31:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/dac_pulse_height">
<wvobject fp_name="/tb_control/dac_pulse_height" type="array">
<obj_property name="ElementShortName">dac_pulse_height[11:0]</obj_property>
<obj_property name="ObjectShortName">dac_pulse_height[11:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/dac_pulse_num">
<wvobject fp_name="/tb_control/dac_pulse_num" type="array">
<obj_property name="ElementShortName">dac_pulse_num[15:0]</obj_property>
<obj_property name="ObjectShortName">dac_pulse_num[15:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/adc_pulse_period">
<wvobject fp_name="/tb_control/adc_pulse_period" type="array">
<obj_property name="ElementShortName">adc_pulse_period[31:0]</obj_property>
<obj_property name="ObjectShortName">adc_pulse_period[31:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/adc_pulse_num">
<wvobject fp_name="/tb_control/adc_pulse_num" type="array">
<obj_property name="ElementShortName">adc_pulse_num[15:0]</obj_property>
<obj_property name="ObjectShortName">adc_pulse_num[15:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/dac_start">
<wvobject fp_name="/tb_control/adc_window_size" type="array">
<obj_property name="ElementShortName">adc_window_size[31:0]</obj_property>
<obj_property name="ObjectShortName">adc_window_size[31:0]</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_start" type="logic">
<obj_property name="ElementShortName">dac_start</obj_property>
<obj_property name="ObjectShortName">dac_start</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/adc_start">
<wvobject fp_name="/tb_control/adc_start" type="logic">
<obj_property name="ElementShortName">adc_start</obj_property>
<obj_property name="ObjectShortName">adc_start</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/dac_rst">
<wvobject fp_name="/tb_control/dac_rst" type="logic">
<obj_property name="ElementShortName">dac_rst</obj_property>
<obj_property name="ObjectShortName">dac_rst</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/adc_rst">
<wvobject fp_name="/tb_control/adc_rst" type="logic">
<obj_property name="ElementShortName">adc_rst</obj_property>
<obj_property name="ObjectShortName">adc_rst</obj_property>
</wvobject>
<wvobject type="group" fp_name="group499">
<wvobject fp_name="group499" type="group">
<obj_property name="label">tb signals</obj_property>
<obj_property name="DisplayName">label</obj_property>
<wvobject type="array" fp_name="/tb_control/dac_rst_count">
<wvobject fp_name="/tb_control/dac_rst_count" type="array">
<obj_property name="ElementShortName">dac_rst_count[31:0]</obj_property>
<obj_property name="ObjectShortName">dac_rst_count[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/adc_rst_count">
<wvobject fp_name="/tb_control/adc_rst_count" type="array">
<obj_property name="ElementShortName">adc_rst_count[31:0]</obj_property>
<obj_property name="ObjectShortName">adc_rst_count[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/dac_start_count">
<wvobject fp_name="/tb_control/dac_start_count" type="array">
<obj_property name="ElementShortName">dac_start_count[31:0]</obj_property>
<obj_property name="ObjectShortName">dac_start_count[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/adc_start_count">
<wvobject fp_name="/tb_control/adc_start_count" type="array">
<obj_property name="ElementShortName">adc_start_count[31:0]</obj_property>
<obj_property name="ObjectShortName">adc_start_count[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/test_pulse_width">
<obj_property name="ElementShortName">test_pulse_width[31:0]</obj_property>
<obj_property name="ObjectShortName">test_pulse_width[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/test_pulse_period">
<obj_property name="ElementShortName">test_pulse_period[31:0]</obj_property>
<obj_property name="ObjectShortName">test_pulse_period[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/test_pulse_num">
<obj_property name="ElementShortName">test_pulse_num[15:0]</obj_property>
<obj_property name="ObjectShortName">test_pulse_num[15:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="array" fp_name="/tb_control/test_pulse_height_raw">
<obj_property name="ElementShortName">test_pulse_height_raw[15:0]</obj_property>
<obj_property name="ObjectShortName">test_pulse_height_raw[15:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
</wvobject>
<wvobject type="array" fp_name="/tb_control/DAC_DATA_WIDTH">
<obj_property name="ElementShortName">DAC_DATA_WIDTH[31:0]</obj_property>
<obj_property name="ObjectShortName">DAC_DATA_WIDTH[31:0]</obj_property>
<wvobject fp_name="/tb_control/dut/cfg_req_toggle_adc" type="logic">
<obj_property name="ElementShortName">cfg_req_toggle_adc</obj_property>
<obj_property name="ObjectShortName">cfg_req_toggle_adc</obj_property>
<obj_property name="CustomSignalColor">#FFFF00</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/dut/cfg_ack_toggle_adc">
<wvobject fp_name="/tb_control/dut/cfg_req_toggle_dac" type="logic">
<obj_property name="ElementShortName">cfg_req_toggle_dac</obj_property>
<obj_property name="ObjectShortName">cfg_req_toggle_dac</obj_property>
<obj_property name="CustomSignalColor">#FFFF00</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_ack_toggle_adc" type="logic">
<obj_property name="ElementShortName">cfg_ack_toggle_adc</obj_property>
<obj_property name="ObjectShortName">cfg_ack_toggle_adc</obj_property>
<obj_property name="CustomSignalColor">#FF00FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject type="logic" fp_name="/tb_control/dut/cfg_ack_toggle_dac">
<wvobject fp_name="/tb_control/dut/cfg_ack_toggle_dac" type="logic">
<obj_property name="ElementShortName">cfg_ack_toggle_dac</obj_property>
<obj_property name="ObjectShortName">cfg_ack_toggle_dac</obj_property>
<obj_property name="CustomSignalColor">#FF00FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_wait_adc_ack" type="logic">
<obj_property name="ElementShortName">cfg_wait_adc_ack</obj_property>
<obj_property name="ObjectShortName">cfg_wait_adc_ack</obj_property>
<obj_property name="CustomSignalColor">#0000FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_wait_dac_ack" type="logic">
<obj_property name="ElementShortName">cfg_wait_dac_ack</obj_property>
<obj_property name="ObjectShortName">cfg_wait_dac_ack</obj_property>
<obj_property name="CustomSignalColor">#0000FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_req_pulse_adc" type="logic">
<obj_property name="ElementShortName">cfg_req_pulse_adc</obj_property>
<obj_property name="ObjectShortName">cfg_req_pulse_adc</obj_property>
<obj_property name="CustomSignalColor">#808000</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_req_pulse_dac" type="logic">
<obj_property name="ElementShortName">cfg_req_pulse_dac</obj_property>
<obj_property name="ObjectShortName">cfg_req_pulse_dac</obj_property>
<obj_property name="CustomSignalColor">#808000</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_ack_pulse_adc" type="logic">
<obj_property name="ElementShortName">cfg_ack_pulse_adc</obj_property>
<obj_property name="ObjectShortName">cfg_ack_pulse_adc</obj_property>
<obj_property name="CustomSignalColor">#DCDCDC</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_ack_pulse_dac" type="logic">
<obj_property name="ElementShortName">cfg_ack_pulse_dac</obj_property>
<obj_property name="ObjectShortName">cfg_ack_pulse_dac</obj_property>
<obj_property name="CustomSignalColor">#DCDCDC</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
</wave_config>
@@ -0,0 +1,338 @@
module tb_controller_wrapper_axil #(
parameter int unsigned ADDR_W = 16,
parameter int unsigned DATA_W = 32,
parameter int unsigned USER_W = 1,
parameter int unsigned DAC_DATA_WIDTH = 12,
parameter int unsigned AXI_ADDR_WIDTH = 16,
parameter int unsigned AXIS_ID_WIDTH = 8,
parameter int unsigned LEN_WIDTH = 20,
parameter int unsigned AXIS_USER_WIDTH = 1,
parameter int unsigned AXIS_DEST_WIDTH = 8,
parameter int unsigned TAG_WIDTH = 8,
parameter int unsigned READ_DESC_WIDTH = AXI_ADDR_WIDTH + LEN_WIDTH + TAG_WIDTH + AXIS_ID_WIDTH + AXIS_DEST_WIDTH + AXIS_USER_WIDTH,
parameter int unsigned WRITE_DESC_WIDTH = AXI_ADDR_WIDTH + LEN_WIDTH + TAG_WIDTH,
parameter int unsigned READ_STATUS_WIDTH = TAG_WIDTH + 4,
parameter int unsigned WRITE_STATUS_WIDTH = LEN_WIDTH + TAG_WIDTH + AXIS_ID_WIDTH + AXIS_DEST_WIDTH + AXIS_USER_WIDTH + 4,
// ceil(width / 8), чтобы keep/strb не стали слишком узкими для нестандартных ширин типа 12/49/61.
parameter int unsigned READ_DESC_KEEP_W = (READ_DESC_WIDTH + 7) / 8,
parameter int unsigned WRITE_DESC_KEEP_W = (WRITE_DESC_WIDTH + 7) / 8,
parameter int unsigned READ_STATUS_KEEP_W = (READ_STATUS_WIDTH + 7) / 8,
parameter int unsigned WRITE_STATUS_KEEP_W = (WRITE_STATUS_WIDTH + 7) / 8
)(
input logic ctrl_clk,
input logic rst,
input logic [ADDR_W-1:0] s_axil_awaddr,
input logic [2:0] s_axil_awprot,
input logic s_axil_awvalid,
output logic s_axil_awready,
input logic [DATA_W-1:0] s_axil_wdata,
input logic [DATA_W/8-1:0] s_axil_wstrb,
input logic s_axil_wvalid,
output logic s_axil_wready,
output logic [1:0] s_axil_bresp,
output logic s_axil_bvalid,
input logic s_axil_bready,
input logic [ADDR_W-1:0] s_axil_araddr,
input logic [2:0] s_axil_arprot,
input logic s_axil_arvalid,
output logic s_axil_arready,
output logic [DATA_W-1:0] s_axil_rdata,
output logic [1:0] s_axil_rresp,
output logic s_axil_rvalid,
input logic s_axil_rready,
// ---------------------------------------------------------------------------
// Минимальный flat-view для DMA AXIS портов.
// Наружу оставлены только tdata/tvalid/tready в старом стиле.
// Все остальные AXIS поля внутри обёртки завязаны на безопасные значения.
// ---------------------------------------------------------------------------
// DUT master -> testbench: descriptor commands.
output logic [READ_DESC_WIDTH-1:0] desc_read_cmd_out,
output logic valid_desc_read,
input logic ready_desc_read,
output logic [WRITE_DESC_WIDTH-1:0] desc_write_cmd_out,
output logic valid_desc_write,
input logic ready_desc_write,
// testbench -> DUT slave: status commands.
input logic [READ_STATUS_WIDTH-1:0] status_read_cmd_in,
input logic valid_status_read,
output logic ready_status_read,
input logic [WRITE_STATUS_WIDTH-1:0] status_write_cmd_in,
input logic valid_status_write,
output logic ready_status_write
);
logic rst_n;
assign rst_n = ~rst;
// Для минимального теста держим все clock domain-ы на одном clock.
logic dac_clk_in;
logic adc_clk_in;
assign dac_clk_in = ctrl_clk;
assign adc_clk_in = ctrl_clk;
logic finish;
assign finish = 1'b0;
// ---------------------------------------------------------------------------
// AXI-Lite flat -> axi4l_if
// ---------------------------------------------------------------------------
axi4l_if #(
.ADDR_W(ADDR_W),
.DATA_W(DATA_W),
.USER_W(USER_W)
) axil_bus (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axi4l_flat_to_if #(
.ADDR_W(ADDR_W),
.DATA_W(DATA_W),
.USER_W(USER_W)
) u_axil_flat_to_if (
.s_axil_awaddr (s_axil_awaddr),
.s_axil_awprot (s_axil_awprot),
.s_axil_awvalid(s_axil_awvalid),
.s_axil_awready(s_axil_awready),
.s_axil_wdata (s_axil_wdata),
.s_axil_wstrb (s_axil_wstrb),
.s_axil_wvalid (s_axil_wvalid),
.s_axil_wready (s_axil_wready),
.s_axil_bresp (s_axil_bresp),
.s_axil_bvalid (s_axil_bvalid),
.s_axil_bready (s_axil_bready),
.s_axil_araddr (s_axil_araddr),
.s_axil_arprot (s_axil_arprot),
.s_axil_arvalid(s_axil_arvalid),
.s_axil_arready(s_axil_arready),
.s_axil_rdata (s_axil_rdata),
.s_axil_rresp (s_axil_rresp),
.s_axil_rvalid (s_axil_rvalid),
.s_axil_rready (s_axil_rready),
.m_axil(axil_bus)
);
// ---------------------------------------------------------------------------
// AXIS interfaces for the updated controller_wrapper_axil
// ---------------------------------------------------------------------------
axis_if #(
.DATA_W(READ_STATUS_WIDTH),
.KEEP_W(READ_STATUS_KEEP_W),
.ID_W(AXIS_ID_WIDTH),
.DEST_W(AXIS_DEST_WIDTH),
.USER_W(AXIS_USER_WIDTH)
) axis_status_read (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axis_if #(
.DATA_W(WRITE_STATUS_WIDTH),
.KEEP_W(WRITE_STATUS_KEEP_W),
.ID_W(AXIS_ID_WIDTH),
.DEST_W(AXIS_DEST_WIDTH),
.USER_W(AXIS_USER_WIDTH)
) axis_status_write (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axis_if #(
.DATA_W(READ_DESC_WIDTH),
.KEEP_W(READ_DESC_KEEP_W),
.ID_W(AXIS_ID_WIDTH),
.DEST_W(AXIS_DEST_WIDTH),
.USER_W(AXIS_USER_WIDTH)
) axis_desc_read (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
axis_if #(
.DATA_W(WRITE_DESC_WIDTH),
.KEEP_W(WRITE_DESC_KEEP_W),
.ID_W(AXIS_ID_WIDTH),
.DEST_W(AXIS_DEST_WIDTH),
.USER_W(AXIS_USER_WIDTH)
) axis_desc_write (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
// testbench flat status -> DUT AXIS slave ports
axis_flat_to_if #(
.DATA_W(READ_STATUS_WIDTH),
.KEEP_W(READ_STATUS_KEEP_W),
.ID_W(AXIS_ID_WIDTH),
.DEST_W(AXIS_DEST_WIDTH),
.USER_W(AXIS_USER_WIDTH)
) u_status_read_flat_to_if (
.s_axis_tdata (status_read_cmd_in),
.s_axis_tkeep ({READ_STATUS_KEEP_W{1'b1}}),
.s_axis_tstrb ({READ_STATUS_KEEP_W{1'b1}}),
.s_axis_tlast (1'b1),
.s_axis_tid ('0),
.s_axis_tdest ('0),
.s_axis_tuser ('0),
.s_axis_tvalid(valid_status_read),
.s_axis_tready(ready_status_read),
.m_axis(axis_status_read)
);
axis_flat_to_if #(
.DATA_W(WRITE_STATUS_WIDTH),
.KEEP_W(WRITE_STATUS_KEEP_W),
.ID_W(AXIS_ID_WIDTH),
.DEST_W(AXIS_DEST_WIDTH),
.USER_W(AXIS_USER_WIDTH)
) u_status_write_flat_to_if (
.s_axis_tdata (status_write_cmd_in),
.s_axis_tkeep ({WRITE_STATUS_KEEP_W{1'b1}}),
.s_axis_tstrb ({WRITE_STATUS_KEEP_W{1'b1}}),
.s_axis_tlast (1'b1),
.s_axis_tid ('0),
.s_axis_tdest ('0),
.s_axis_tuser ('0),
.s_axis_tvalid(valid_status_write),
.s_axis_tready(ready_status_write),
.m_axis(axis_status_write)
);
// DUT AXIS master ports -> testbench flat descriptor outputs
logic [READ_DESC_KEEP_W-1:0] unused_desc_read_tkeep;
logic [READ_DESC_KEEP_W-1:0] unused_desc_read_tstrb;
logic unused_desc_read_tlast;
logic [AXIS_ID_WIDTH-1:0] unused_desc_read_tid;
logic [AXIS_DEST_WIDTH-1:0] unused_desc_read_tdest;
logic [AXIS_USER_WIDTH-1:0] unused_desc_read_tuser;
axis_if_to_flat #(
.DATA_W(READ_DESC_WIDTH),
.KEEP_W(READ_DESC_KEEP_W),
.ID_W(AXIS_ID_WIDTH),
.DEST_W(AXIS_DEST_WIDTH),
.USER_W(AXIS_USER_WIDTH)
) u_desc_read_if_to_flat (
.s_axis(axis_desc_read),
.m_axis_tdata (desc_read_cmd_out),
.m_axis_tkeep (unused_desc_read_tkeep),
.m_axis_tstrb (unused_desc_read_tstrb),
.m_axis_tlast (unused_desc_read_tlast),
.m_axis_tid (unused_desc_read_tid),
.m_axis_tdest (unused_desc_read_tdest),
.m_axis_tuser (unused_desc_read_tuser),
.m_axis_tvalid(valid_desc_read),
.m_axis_tready(ready_desc_read)
);
logic [WRITE_DESC_KEEP_W-1:0] unused_desc_write_tkeep;
logic [WRITE_DESC_KEEP_W-1:0] unused_desc_write_tstrb;
logic unused_desc_write_tlast;
logic [AXIS_ID_WIDTH-1:0] unused_desc_write_tid;
logic [AXIS_DEST_WIDTH-1:0] unused_desc_write_tdest;
logic [AXIS_USER_WIDTH-1:0] unused_desc_write_tuser;
axis_if_to_flat #(
.DATA_W(WRITE_DESC_WIDTH),
.KEEP_W(WRITE_DESC_KEEP_W),
.ID_W(AXIS_ID_WIDTH),
.DEST_W(AXIS_DEST_WIDTH),
.USER_W(AXIS_USER_WIDTH)
) u_desc_write_if_to_flat (
.s_axis(axis_desc_write),
.m_axis_tdata (desc_write_cmd_out),
.m_axis_tkeep (unused_desc_write_tkeep),
.m_axis_tstrb (unused_desc_write_tstrb),
.m_axis_tlast (unused_desc_write_tlast),
.m_axis_tid (unused_desc_write_tid),
.m_axis_tdest (unused_desc_write_tdest),
.m_axis_tuser (unused_desc_write_tuser),
.m_axis_tvalid(valid_desc_write),
.m_axis_tready(ready_desc_write)
);
// Controller ADC/DAC outputs.
logic [31:0] adc_window_size;
logic [31:0] dac_pulse_width;
logic [31:0] dac_pulse_period;
logic [DAC_DATA_WIDTH-1:0] dac_pulse_height;
logic [15:0] dac_pulse_num;
logic [31:0] adc_pulse_period;
logic [15:0] adc_pulse_num;
logic dac_start;
logic adc_start;
logic dac_rst;
logic adc_rst;
controller_wrapper_axil #(
.ADDR_W(ADDR_W),
.DATA_W(DATA_W),
.USER_W(USER_W),
.DAC_DATA_WIDTH(DAC_DATA_WIDTH),
.AXI_ADDR_WIDTH(AXI_ADDR_WIDTH),
.AXIS_ID_WIDTH(AXIS_ID_WIDTH),
.LEN_WIDTH(LEN_WIDTH),
.AXIS_USER_WIDTH(AXIS_USER_WIDTH),
.AXIS_DEST_WIDTH(AXIS_DEST_WIDTH),
.TAG_WIDTH(TAG_WIDTH),
.READ_DESC_WIDTH(READ_DESC_WIDTH),
.WRITE_DESC_WIDTH(WRITE_DESC_WIDTH),
.READ_STATUS_WIDTH(READ_STATUS_WIDTH),
.WRITE_STATUS_WIDTH(WRITE_STATUS_WIDTH)
) dut (
.ctrl_clk(ctrl_clk),
.dac_clk_in(dac_clk_in),
.adc_clk_in(adc_clk_in),
.rst_n(rst_n),
.s_axil(axil_bus),
.finish(finish),
.adc_window_size(adc_window_size),
.dac_pulse_width(dac_pulse_width),
.dac_pulse_period(dac_pulse_period),
.dac_pulse_height(dac_pulse_height),
.dac_pulse_num(dac_pulse_num),
.adc_pulse_period(adc_pulse_period),
.adc_pulse_num(adc_pulse_num),
.dac_start(dac_start),
.adc_start(adc_start),
.dac_rst(dac_rst),
.adc_rst(adc_rst),
.s_axis_status_read(axis_status_read),
.s_axis_status_write(axis_status_write),
.m_axis_desc_read(axis_desc_read),
.m_axis_desc_write(axis_desc_write)
);
endmodule : tb_controller_wrapper_axil
+170
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@@ -0,0 +1,170 @@
import cocotb
from cocotb.clock import Clock
from cocotb.handle import Immediate
from cocotb.triggers import RisingEdge
from cocotbext.axi import AxiLiteBus, AxiLiteMaster
# Register indexes from axi4l_reg_map_controller_pkg.sv
REG_CONTROL = 0
REG_STATUS = 1
REG_DAC_WIDTH = 2
REG_DAC_PERIOD = 3
REG_DAC_PULSE_NUM = 4
REG_DAC_PULSE_HEIGHT = 5
REG_ADC_PERIOD = 6
REG_WINDOW_SIZE = 7
REG_ERROR = 8
REG_DESC_READ_ADDR = 9
REG_DESC_READ_LEN = 10
REG_DESC_READ_CONFIG = 11
REG_READ_STATUS = 12
REG_DESC_WRITE_ADDR = 13
REG_DESC_WRITE_LEN_AND_TAG = 14
REG_STATUS_WRITE_LEN = 15
REG_STATUS_WRITE_CONFIG = 16
# REG_CONTROL pulse bits
CTRL_START = 0
CTRL_RST_SOFT = 1
CTRL_CFG_BUS_VALID = 2
CTRL_SEND_DESC_READ = 3
CTRL_SEND_DESC_WRITE = 4
CTRL_TAKE_STATUS_READ = 5
CTRL_TAKE_STATUS_WRITE = 6
def reg_addr(reg_index: int) -> int:
# AXI-Lite uses byte addresses, 32-bit registers are spaced by 4 bytes.
return reg_index * 4
def u32(value: int) -> bytes:
return int(value & 0xFFFFFFFF).to_bytes(4, "little")
class TB:
def __init__(self, dut):
self.dut = dut
cocotb.start_soon(Clock(dut.ctrl_clk, 10, units="ns").start())
self.axil = AxiLiteMaster(
AxiLiteBus.from_prefix(dut, "s_axil"),
dut.ctrl_clk,
dut.rst,
)
async def reset(self):
self.dut.rst.value = 1
for _ in range(5):
await RisingEdge(self.dut.ctrl_clk)
self.dut.rst.value = 0
for _ in range(5):
await RisingEdge(self.dut.ctrl_clk)
async def write_reg(self, reg_index: int, value: int):
await self.axil.write(reg_addr(reg_index), u32(value))
async def read_reg(self, reg_index: int) -> int:
resp = await self.axil.read(reg_addr(reg_index), 4)
return int.from_bytes(bytes(resp.data), "little")
@cocotb.test()
async def simple_axil_write_read(dut):
tb = TB(dut)
await tb.reset()
await tb.write_reg(REG_DAC_WIDTH, 0x0000_0123)
value = await tb.read_reg(REG_DAC_WIDTH)
assert value == 0x0000_0123
@cocotb.test()
async def simple_controller_config_write(dut):
tb = TB(dut)
await tb.reset()
await tb.write_reg(REG_DAC_WIDTH, 0x10)
await tb.write_reg(REG_DAC_PERIOD, 0x40)
await tb.write_reg(REG_DAC_PULSE_NUM, 3)
await tb.write_reg(REG_DAC_PULSE_HEIGHT, 0x7FF)
await tb.write_reg(REG_ADC_PERIOD, 0x80)
await tb.write_reg(REG_WINDOW_SIZE, 16)
assert await tb.read_reg(REG_DAC_WIDTH) == 0x10
assert await tb.read_reg(REG_WINDOW_SIZE) == 16
# write data: set cfg_bus_valid signal
await tb.write_reg(REG_CONTROL, 1 << CTRL_CFG_BUS_VALID)
# wait
for _ in range(30):
await RisingEdge(dut.ctrl_clk)
# check config
assert int(dut.dac_pulse_width) == 0x10
assert int(dut.dac_pulse_period) == 0x40
assert int(dut.dac_pulse_num) == 3
assert int(dut.dac_pulse_height) == 0x7FF
assert int(dut.adc_pulse_period) == 0x80
assert int(dut.adc_window_size) == 16
await RisingEdge(dut.ctrl_clk)
@cocotb.test()
async def simple_controller_start_check(dut):
tb = TB(dut)
await tb.reset()
await tb.write_reg(REG_CONTROL, 1 << CTRL_START)
await RisingEdge(dut.dac_start)
@cocotb.test()
async def simple_dma_desc_status(dut):
tb = TB(dut)
await tb.reset()
await tb.write_reg(REG_DESC_READ_ADDR, 0xdead)
await tb.write_reg(REG_DESC_READ_LEN, 64)
await tb.write_reg(REG_DESC_READ_CONFIG, 0x0000_0001)
await tb.write_reg(REG_DESC_WRITE_ADDR, 0xbeef)
await tb.write_reg(REG_DESC_WRITE_LEN_AND_TAG, 0x0005555)
# W1S pulse: bit 3 = send_desc_read_o.
await tb.write_reg(REG_CONTROL, 1 << CTRL_SEND_DESC_READ)
await tb.write_reg(REG_CONTROL, 1 << CTRL_SEND_DESC_WRITE)
for _ in range(20):
await RisingEdge(dut.ctrl_clk)
assert int(dut.desc_read_cmd_out.value) == 0x000000100040DEAD
assert int(dut.desc_write_cmd_out.value) == 0x0005555BEEF
# test status
dut.status_read_cmd_in.value = Immediate(123)
dut.status_write_cmd_in.value = Immediate(0xabcd90012345)
dut.valid_status_read.value = Immediate(1)
dut.valid_status_write.value = Immediate(1)
for _ in range(10):
await RisingEdge(dut.ctrl_clk)
# read status
await tb.write_reg(REG_CONTROL, 1 << CTRL_TAKE_STATUS_READ)
await tb.write_reg(REG_CONTROL, 1 << CTRL_TAKE_STATUS_WRITE)
for _ in range(10):
await RisingEdge(dut.ctrl_clk)
assert await tb.read_reg(REG_READ_STATUS) == 123
assert await tb.read_reg(REG_STATUS_WRITE_CONFIG) == 0xABCD900
assert await tb.read_reg(REG_STATUS_WRITE_LEN) == 0x12345
+12 -12
View File
@@ -1,7 +1,7 @@
# Генератор
Модуль выполняет задачу формирования последовательности импульсов заданной амплитуды, длительности и периода.
Дополнительно реализован механизм синхронизации с модулем сэмплера через сигналы `request` и `done`, позволяющий запускать сбор данных для каждого импульса и ожидать подтверждения завершения выборки перед переходом к следующему импульсу.
Дополнительно реализован механизм синхронизации с модулем сэмплера через сигналы `sample_req` и `sample_done`, позволяющий запускать сбор данных для каждого импульса и ожидать подтверждения завершения выборки перед переходом к следующему импульсу.
---
@@ -22,7 +22,7 @@
## Список входных портов
### clk_dac
### clk_in
Сигнал тактирования модуля.
### rst
@@ -47,25 +47,25 @@
### [15:0] pulse_num
Количество импульсов, которое необходимо сгенерировать.
### request
Сигнал запроса на синхронизацию от сэмплера для текущего импульса.
### sample_done
Сигнал подтверждения от сэмплера о завершении выборки данных для текущего импульса.
---
## Список выходных портов
### dac_wrt
pulse
Выходной сигнал разрешения записи сигнала
### [DATA_WIDTH-1:0] dac_out
[DATA_WIDTH-1:0] pulse_height_out
Выходное значение амплитуды сигнала.
Во время активной части импульса равно `pulse_height`, вне импульса — `ZERO_LEVEL`.
### done
Сигнал запроса на запуск синхронизации с сэмплером для текущего импульса.
sample_req
Сигнал запроса на запуск выборки в модуле сэмплера.
Поднимается в начале каждого нового импульса и снимается после получения `request`.
Поднимается в начале каждого нового импульса и снимается после получения `sample_done`.
---
@@ -74,11 +74,11 @@
После прихода сигнала `start` модуль:
- фиксирует входные параметры генерации
- сбрасывает внутренние счетчики
- поднимает `enable = 1`
- выполняет `pulse_num` циклов работы
- - типичный цикл состоит в ожидании синхронизации (`synced`), после чего запуск генерации импульса
- формирует первый `sample_req`
Синхронизация представляет из себя простое рукопожатие с внешним модулем, имеющим сигналы `request`/`done` работающими в соответствии с этими сигналами генератора. Один из модулей, входит в ожидание и ставит на свой done активный уровень, после чего ждет, пока второй, запаздывающий модуль не войдет в свой режим ожидания, и не выставит для своего done активный уровень. Для каждого из модулей, на следующий такт после выставления активного уровня, производится проверка своего request. Так, при получении активного request (иными словами активного done от внешнего модуля), модуль незамедлительно опускает уровень своего done и начинает работать. Done подымается до активного уровня хотя-бы на один такт работы соответствующего модуля.
После этого начинается последовательная генерация импульсов.
---
+72 -62
View File
@@ -1,95 +1,105 @@
`timescale 1ns / 1ps
module generator
#(
parameter DATA_WIDTH = 14,
parameter ZERO_LEVEL = 8192 // 8192 or 0
)
)
(
input clk_dac,
input clk_in,
input rst,
input start,
input [31:0] pulse_width,
input [31:0] pulse_period,
input [DATA_WIDTH-1:0] pulse_height,
input [15:0] pulse_num,
input request,
input sample_done,
output logic [DATA_WIDTH-1:0] dac_out,
output logic done
);
logic [DATA_WIDTH-1:0] pulse_height_reg;
logic [31:0] pulse_width_reg, pulse_period_reg;
logic [15:0] pulse_num_reg;
output pulse,
output[DATA_WIDTH-1:0] pulse_height_out,
output logic sample_req
logic [15:0] cnt_pulse_num;
logic [31:0] cnt_pulse_period;
);
logic enable, synced;
(* MARK_DEBUG="true" *) logic [DATA_WIDTH-1:0] pulse_height_reg, pulse_height_out_reg;
initial begin
cnt_pulse_period = '0;
cnt_pulse_num = '0;
enable = 0;
synced = 0;
dac_out = ZERO_LEVEL;
end
(* MARK_DEBUG="true" *) logic [31:0] pulse_width_reg, pulse_period_reg;
(* MARK_DEBUG="true" *) logic [15:0] pulse_num_reg;
always @(posedge clk_dac) begin
(* MARK_DEBUG="true" *) logic enable;
(* MARK_DEBUG="true" *) logic [15:0] cnt_pulse_num;
(* MARK_DEBUG="true" *) logic [31:0] cnt_period;
always @(posedge clk_in) begin
if (rst) begin
pulse_height_reg <= ZERO_LEVEL;
pulse_width_reg <= 0;
pulse_period_reg <= 0;
pulse_num_reg <= 0;
cnt_pulse_num <= 0;
cnt_pulse_period <= 0;
dac_out <= ZERO_LEVEL;
done <= 0;
enable <= 0;
synced <= 0;
end
else begin
// wait start for updating registers
pulse_height_reg <= ZERO_LEVEL;
pulse_height_out_reg <= ZERO_LEVEL;
pulse_width_reg <= '0;
pulse_period_reg <= '0;
pulse_num_reg <= '0;
enable <= 0;
cnt_pulse_num <= '0;
cnt_period <= '0;
sample_req <= 0;
end else begin
if (start & !enable) begin
enable <= 1;
pulse_width_reg <= pulse_width;
pulse_period_reg <= pulse_period;
pulse_num_reg <= pulse_num;
pulse_height_reg <= pulse_height;
enable <= 1'b1;
cnt_pulse_num <= '0;
cnt_period <= '0;
sample_req <= 1;
pulse_width_reg <= pulse_width;
pulse_period_reg <= pulse_period;
pulse_num_reg <= pulse_num;
pulse_height_reg <= pulse_height;
end
// main work cycle
if (enable) begin
if (cnt_pulse_num != pulse_num_reg) begin
// wait for synchronization with sampler
if (!synced) begin
if (request & done) begin
synced <= 1;
done <= 0;
end
else
done <= 1;
if (!sample_req && (cnt_period == 0)) begin
pulse_height_out_reg <= ZERO_LEVEL;
if (sample_done) begin
sample_req <= 1'b0;
end
else begin
if (cnt_pulse_period != pulse_period_reg) begin
if (cnt_pulse_period < pulse_width_reg)
dac_out <= pulse_height_reg;
else
dac_out <= ZERO_LEVEL;
cnt_pulse_period++;
if (!sample_done) begin
if (cnt_pulse_num == pulse_num_reg - 1) begin
enable <= 1'b0;
end
else begin
cnt_pulse_num++;
cnt_pulse_period <= 0;
synced <= 0;
dac_out <= ZERO_LEVEL;
cnt_pulse_num <= cnt_pulse_num + 1;
sample_req <= 1'b1;
cnt_period <= 1;
end
end
end
else begin
cnt_pulse_num <= 0;
enable <= 0;
else begin
if (cnt_period <= pulse_width_reg) begin
pulse_height_out_reg <= pulse_height_reg;
end else begin
pulse_height_out_reg <= ZERO_LEVEL;
end
if (cnt_period == pulse_period_reg) begin
cnt_period <= 0;
end else begin
cnt_period <= cnt_period + 1;
end
if (sample_req && sample_done) begin
sample_req <= 0;
end
end
end
end
end
OBUF OBUF_pulse_clk (
.I(clk_in),
.O(pulse)
);
assign pulse_height_out = pulse_height_out_reg;
endmodule
+78 -324
View File
@@ -1,360 +1,114 @@
`timescale 1ns / 1ps
module generator_tb;
// === Параметры ===
localparam DATA_WIDTH = 14;
localparam LOGIC_ZERO_LEVEL = 0; // DAC -5V for logic zero
localparam VOLTAGE_ZERO_LEVEL = 2**(DATA_WIDTH-1); // DAC 0V for logic zero
localparam CLK_PERIOD = 8;
parameter string ZERO_LEVEL = "logic"; // "logic" VS "true"
// === Сигналы ===
// Системные сигналы
parameter DATA_WIDTH = 14;
parameter ZERO_LEVEL = 8192;
parameter CLK_PERIOD = 16;
logic clk;
logic rst;
logic start;
// Входные сигналы
logic [31:0] pulse_width; // config reg
logic [31:0] pulse_period; // config reg
logic [DATA_WIDTH-1:0] pulse_height; // config reg
logic [15:0] pulse_num; // config reg
logic sampler_done; // sampler request for synchronization
// Выходные сигналы
wire [DATA_WIDTH-1:0] dac_out; // DAC input logic signal
wire generator_done; // generator request for synchronization
// === Переменные ===
int current_zero_level;
initial begin
if (ZERO_LEVEL == "true")
current_zero_level = VOLTAGE_ZERO_LEVEL;
else
current_zero_level = LOGIC_ZERO_LEVEL;
end
logic [31:0] pulse_width;
logic [31:0] pulse_period;
logic [DATA_WIDTH-1:0] pulse_height;
logic [15:0] pulse_num;
logic pulse;
logic [DATA_WIDTH-1:0] pulse_height_out;
// DUT
generate
if (ZERO_LEVEL == "true") begin : gen_dut_true
generator #(
.DATA_WIDTH(DATA_WIDTH),
.ZERO_LEVEL(VOLTAGE_ZERO_LEVEL)
) dut (
.clk_dac(clk),
.rst(rst),
.start(start),
.pulse_width(pulse_width),
.pulse_period(pulse_period),
.pulse_height(pulse_height),
.pulse_num(pulse_num),
.dac_out(dac_out),
.done(generator_done),
.request(sampler_done)
);
initial $display("[TB] Generator compiled. ZERO_LEVEL: TRUE");
end
else if (ZERO_LEVEL == "logic") begin : gen_dut_logic
generator #(
.DATA_WIDTH(DATA_WIDTH),
.ZERO_LEVEL(LOGIC_ZERO_LEVEL)
) dut (
.clk_dac(clk),
.rst(rst),
.start(start),
.pulse_width(pulse_width),
.pulse_period(pulse_period),
.pulse_height(pulse_height),
.pulse_num(pulse_num),
.dac_out(dac_out),
.done(generator_done),
.request(sampler_done)
);
initial $display("[TB] Generator compiled. ZERO_LEVEL: LOGIC");
end
else begin : gen_dut_error
// Защита от дурака
initial begin
$display("[ERROR] Unknown value ZERO_LEVEL: %s", ZERO_LEVEL);
$finish;
end
end
endgenerate
generator #(
.DATA_WIDTH(DATA_WIDTH)
) dut (
.clk_in(clk),
.rst(rst),
.start(start),
.pulse_width(pulse_width),
.pulse_period(pulse_period),
.pulse_height(pulse_height),
.pulse_num(pulse_num),
.pulse(pulse),
.pulse_height_out(pulse_height_out)
);
// Тактовые сигналы
// Clock
initial begin
clk = 0;
forever #(CLK_PERIOD/2) clk = ~clk;
end
// === Таски для тестипрования ===
// Таска синхронизации, одно рукопожатие
task automatic synchronize(
input bit sampler_first, // 1 - выставить sampler_done ДО генератора, 0 - ПОСЛЕ
input int delay_before_ack, // Если sampler_first=0: задержка ПОСЛЕ gen_done. Если 1: задержка от НАЧАЛА цикла.
input int ack_duration // сколько тактов удерживать sampler_done после встречи сигналов
);
if (sampler_first) begin
// --- сэмплер готов до генератора ---
repeat(delay_before_ack) @(posedge clk);
sampler_done <= 1;
wait(generator_done == 1);
repeat(ack_duration) @(posedge clk);
sampler_done <= 0;
end
else begin
// --- генератора готов до сэмплер ---
wait(generator_done == 1);
repeat(delay_before_ack) @(posedge clk);
sampler_done <= 1;
repeat(ack_duration) @(posedge clk);
sampler_done <= 0;
end
endtask
// Таска сброса DUT
task automatic reset_dut(
input int rst_duration // сколько тактов держать сброс
);
rst <= 1;
repeat(rst_duration) @(posedge clk);
rst <= 0;
endtask
// Таска запуска DUT
task automatic start_dut(
input int start_duration // сколько тактов держать импульс
);
start <= 1;
repeat(start_duration) @(posedge clk);
start <= 0;
endtask
// Таска конфигурации DUT
task automatic set_config(
input logic [31:0] w, // ширина импульса
input logic [31:0] p, // период импульса
input logic [15:0] n, // количество импульсов
input logic [DATA_WIDTH-1:0] h // высота импульса
);
// Задаем конфигурационные регистры
@(posedge clk);
pulse_width <= w;
pulse_period <= p;
pulse_num <= n;
pulse_height <= h;
endtask
// Таска проверки устойчивости к долгим управляющим импульсам
task automatic check_impulses;
// Локальные переменные для хранения случайных параметров
int rand_start_duration;
int rand_delay;
int rand_ack;
bit rand_first;
int total_impulse_cycles = 0;
int pulse_w = 11;
int pulse_p = 31;
int pulse_n = 5;
int pulse_h = 1024;
$display("[TB] -check_impulses- Check system stability under random latencies");
// Установка конфигурации
set_config(
.w(pulse_w),
.p(pulse_p),
.n(pulse_n),
.h(pulse_h)
);
reset_dut(5);
repeat(2) @(posedge clk);
// Старт норме 1 такт. Сделаем случайным от 5 до 25 тактов.
rand_start_duration = $urandom_range(5, 25);
$display("[TB] Long start: %0d clocks", rand_start_duration);
// Фоновый процесс подсчета тактов импульса
fork
begin : counter_proc
forever begin
@(negedge clk); // 180 deg. phase shift for "DAC strobing signal"
if (dac_out == pulse_h) begin
total_impulse_cycles++;
end
end
end
join_none
// Параллельный запуск длинного старта и обработки синхронизации
fork
// Поток 1: Удерживаем старт аномально долго
begin
start_dut(rand_start_duration);
end
// Поток 2: Обслуживаем n=4 циклов синхронизации со случайными задержками
begin
repeat(pulse_n) begin
// Рандомизируем параметры для каждого из 4-х рукопожатий
rand_first = $urandom; // Случайно: Самплер первый (1) или Генератор первый (0)
rand_delay = $urandom_range(1, 8); // Случайная задержка ожидания (1..8 тактов)
rand_ack = $urandom_range(5, 10); // Аномально долгий удерживаемый импульс sampler_done (10..30 тактов)
synchronize(
.sampler_first(rand_first),
.delay_before_ack(rand_delay),
.ack_duration(rand_ack)
);
end
end
join
repeat(pulse_p+5) @(posedge clk);
disable counter_proc;
// Ожидание завершения переходных процессов
repeat(10) @(posedge clk);
if (total_impulse_cycles == pulse_w*pulse_n)
$display("[TB] -check_impulses- Pulse generation CORRECT");
else begin
$display("[ERROR] -check_impulses- Pulse generation INCORRECT. Total number of pulses: %d, must be: %d", total_impulse_cycles, pulse_w*pulse_n);
$finish;
end
$display("[TB] -check_impulses- Done");
endtask
task automatic run_test_case(
input int pulse_w,
input int pulse_p,
input int pulse_n,
input int pulse_h,
input bit skip_reset, // skip reset sequence on demand
input bit count_level // count ticks of amplitude == pulse_h or amplitude != pulse_h
);
int total_impulse_cycles = 0;
if (!skip_reset) begin
reset_dut(1);
@(posedge clk);
end
set_config(
.w(pulse_w),
.p(pulse_p),
.n(pulse_n),
.h(pulse_h)
);
@(posedge clk);
start_dut(1);
// Фоновый процесс подсчета тактов импульса
fork
begin : counter_proc
forever begin
@(negedge clk); // 180 deg. phase shift for "DAC strobing signal"
if (count_level) begin
if (dac_out == pulse_h) begin
total_impulse_cycles++;
end
end
else begin
if (dac_out != current_zero_level) begin
total_impulse_cycles++;
end
end
end
end
join_none
repeat(pulse_n) begin
synchronize(
.sampler_first(0),
.delay_before_ack(1),
.ack_duration(2)
);
end
repeat(pulse_p+5) @(posedge clk);
disable counter_proc;
repeat(10) @(posedge clk);
if (count_level) begin
if (total_impulse_cycles == pulse_w*pulse_n)
$display("[TB] -run_test_case- Pulse generation CORRECT");
else begin
$display("[ERROR] -run_test_case- Pulse generation INCORRECT. Total number of pulses: %d, must be: %d", total_impulse_cycles, pulse_w*pulse_n);
$finish;
end
end
else begin
if (total_impulse_cycles == 0)
$display("[TB] -run_test_case- Pulse generation CORRECT");
else begin
$display("[ERROR] -run_test_case- Pulse generation INCORRECT. Total number of pulses: %d, must be: %d", total_impulse_cycles, 0);
$finish;
end
end
endtask
// --- ОСНОВНОЙ ПРОЦЕСС ТЕСТИРОВАНИЯ ---
initial begin
$display("[TB] Tests start");
$display("\n=== GENERATOR TEST ===\n");
// Инициализация
rst = 1;
start = 0;
pulse_width = 0;
pulse_period = 0;
pulse_height = 0;
pulse_num = 0;
sampler_done = 0;
$display("[TB] Test 1. Random latency for control signals");
check_impulses();
$display("[TB] Test 1 complete");
repeat(5) @(posedge clk);
rst = 0;
$display("[TB] Test 2. Random configs");
for (int i = 0; i < 25; i++) begin
int r_w, r_p, r_n, r_h;
bit r_skip;
// --- Test 1 ---
// 3 clk 1, 5 clk 0, 4 pulses
repeat(2) @(posedge clk);
pulse_width = 3;
pulse_period = 8;
pulse_num = 4;
pulse_height = 14'h3FF;
start = 1;
// Генерируем параметры
r_p = $urandom_range(5, 50); // Период от 5 до 50
r_w = $urandom_range(0, r_p); // Ширина не больше периода
r_n = $urandom_range(1, 10); // Количество импульсов
r_h = $urandom_range(1, 2**DATA_WIDTH-1); // Высота (для 14 бит)
r_skip = $urandom_range(0, 1); // Случайный сброс (0 - сброс, 1 - пропуск)
repeat(1) @(posedge clk);
start = 0;
// Защита от "нулевого" импульса. Невозможно проверить длительность.
if (r_h == current_zero_level) begin
r_h += $urandom_range(1, 10);
end
repeat(50) @(posedge clk);
$display("[TB] --- Test #%0d (Config: W=%0d, P=%0d, N=%0d, H=%0d, SkipReset=%0b) ---",
i+1, r_w, r_p, r_n, r_h, r_skip);
// --- Test 2 ---
$display("\n--- SECOND RUN ---\n");
run_test_case(
.pulse_w(r_w),
.pulse_p(r_p),
.pulse_n(r_n),
.pulse_h(r_h),
.skip_reset(r_skip),
.count_level(1)
);
end
$display("[TB] Test 2 complete");
@(posedge clk);
pulse_width = 2;
pulse_period = 5;
pulse_num = 3;
pulse_height = 14'h155;
start = 1;
$display("[TB] Test 3. Zero level of pulse height");
run_test_case(
.pulse_w(77),
.pulse_p(131),
.pulse_n(13),
.pulse_h(current_zero_level),
.skip_reset(0),
.count_level(0)
);
$display("[TB] Test 3 complete");
@(posedge clk);
start = 0;
$display("[TB] ALL PASSED");
repeat(40) @(posedge clk);
pulse_width = 3;
pulse_period = 8;
pulse_num = 4;
pulse_height = 14'h3FF;
start = 1;
repeat(1) @(posedge clk);
start = 0;
repeat(5) @(posedge clk);
start = 1;
pulse_height = 14'h155;
repeat(1) @(posedge clk);
start = 0;
repeat(50) @(posedge clk);
$display("\n=== TEST FINISHED ===");
$finish;
end
// Display
always @(posedge clk) begin
$display("t=%0t | pulse=%0b | height=%h",
$time, pulse, pulse_height_out);
end
endmodule
+11 -11
View File
@@ -1,7 +1,7 @@
# Сэмплер
Модуль выполняет задачу сбора данных с выхода АЦП, их обработки, упаковки и передачи дальше с помощью AXI Stream интерфейса.
Дополнительно реализован механизм синхронизации с внешним генератором через сигналы `request` и `done`, позволяющий запускать сбор строго по запросу и подтверждать завершение выборки.
Дополнительно реализован механизм синхронизации с внешним генератором через сигналы `sample_req` и `sample_done`, позволяющий запускать сбор строго по запросу и подтверждать завершение выборки.
---
@@ -41,8 +41,9 @@ out_of_range
[31:0] smp_num
Количество валидных отсчетов, которое необходимо собрать после получения запроса на выборку.
request
Сигнал запроса на синхронизацию от генератора для текущего импульса.
sample_req
Сигнал запроса на запуск выборки.
При его активации модуль начинает сбор данных и переходит в активное состояние (`enable = 1`).
---
@@ -56,10 +57,9 @@ m_axis_tvalid
Урезанный AXI Stream формат, сигнал валидности выходных данных.
Формируется при готовности очередного пакета.
done
Сигнал запроса на запуск синхронизации с генератором для текущего импульса.
Поднимается в начале каждого нового импульса и снимается после получения `request`.
sample_done
Сигнал завершения выборки.
Поднимается после того, как модуль собрал количество валидных отсчетов, равное `smp_num`.
---
@@ -86,7 +86,7 @@ done
### Запуск выборки
Сбор данных начинается только после прихода сигнала `request`.
Сбор данных начинается только после прихода сигнала `sample_req`.
При этом:
@@ -94,9 +94,7 @@ done
- внутренний счетчик собранных отсчетов обнуляется
- модуль переходит в активное состояние (`enable = 1`)
Пока `enable = 1`, модуль принимает только валидные отсчеты.
Синхронизация представляет из себя простое рукопожатие с внешним модулем, имеющим сигналы `request`/`done` работающими в соответствии с этими сигналами сэмплера. Один из модулей, входит в ожидание и ставит на свой done активный уровень, после чего ждет, пока второй, запаздывающий модуль не войдет в свой режим ожидания, и не выставит для своего done активный уровень. Для каждого из модулей, на следующий такт после выставления активного уровня, производится проверка своего request. Так, при получении активного request (иными словами активного done от внешнего модуля), модуль незамедлительно опускает уровень своего done и начинает работать. Done подымается до активного уровня хотя-бы на один такт работы соответствующего модуля.
Пока `enable = 1`, модуль принимает только валидные отсчеты и считает их.
---
@@ -128,6 +126,7 @@ done
Когда количество собранных валидных отсчетов достигает значения `smp_num`:
- поднимается сигнал `sample_done`
- внутренние счетчики сбрасываются
- буфер очищается
- `enable` сбрасывается в `0`
@@ -142,3 +141,4 @@ done
cd tests
make sim
```
При успешном завершении теста высвечивается "ALL PASSED".
+127 -60
View File
@@ -1,87 +1,154 @@
`timescale 1ns / 1ps
module sampler
#(
parameter DATA_WIDTH = 12,
parameter PACK_FACTOR = 1,
parameter PROCESS_MODE = 0
) (
)
(
input clk_in,
input rst,
input [DATA_WIDTH-1:0] data_in,
input out_of_range,
input [31:0] smp_num,
input request,
input sample_req,
output logic [DATA_WIDTH*PACK_FACTOR-1:0] m_axis_tdata,
output logic m_axis_tvalid,
output logic done
);
// WARNING: number of samples smp_num must be multiple of PACK_FACTOR
// Last (smp_num % PACK_FACTOR) will be lost and not transmitted
logic [DATA_WIDTH-1:0] data_converted;
logic [31:0] smp_num_reg, cnt_smp_num;
logic synced;
logic [$clog2(PACK_FACTOR):0] pack_cnt;
output logic sample_done
);
(* MARK_DEBUG="true" *) logic [DATA_WIDTH-1:0] data_converted;
(* MARK_DEBUG="true" *) logic out_of_range_reg;
(* MARK_DEBUG="true" *) logic [31:0] smp_num_reg, cnt_smp_num;
(* MARK_DEBUG="true" *) logic enable;
always_comb begin
if (PROCESS_MODE) begin
if (out_of_range) begin
data_converted = {~data_in[DATA_WIDTH-1], {(DATA_WIDTH-1){data_in[DATA_WIDTH-1]}}};
end else begin
data_converted = {~data_in[DATA_WIDTH-1], data_in[DATA_WIDTH-2:0]};
end
end else begin
if (out_of_range) begin
data_converted = {DATA_WIDTH{data_in[DATA_WIDTH-1]}};
end else begin
data_converted = data_in;
end
generate
if (PROCESS_MODE) begin
always @(posedge clk_in) begin
if (rst) begin
data_converted <= '0;
out_of_range_reg <= 0;
end
end
else begin
out_of_range_reg <= out_of_range;
if (data_in == {1'b1, {(DATA_WIDTH-1){1'b0}}})
data_converted <= data_in;
else
data_converted <= data_in[DATA_WIDTH-1] ?{1'b1, (~data_in[DATA_WIDTH-2:0] + 1'b1)}:data_in;
end
end
end else begin
always @(posedge clk_in) begin
if (rst) begin
data_converted <= '0;
out_of_range_reg <= 0;
end
else begin
out_of_range_reg <= out_of_range;
data_converted <= data_in;
end
end
end
endgenerate
initial begin
synced = 0;
m_axis_tdata = '0;
m_axis_tvalid = 0;
end
(* MARK_DEBUG="true" *) logic [DATA_WIDTH*PACK_FACTOR-1:0] buffer;
(* MARK_DEBUG="true" *) logic buffer_ready;
always_ff @(posedge clk_in) begin
if (rst) begin
m_axis_tdata <= '0;
m_axis_tvalid <= 0;
cnt_smp_num <= '0;
smp_num_reg <= '0;
pack_cnt <= '0;
synced <= 0;
done <= 0;
end else begin
if (!synced) begin
if (done && request) begin
synced <= 1;
done <= 0;
logic [$clog2(PACK_FACTOR):0] cnt;
generate
if (PACK_FACTOR == 1) begin
always @(posedge clk_in) begin
if (rst) begin
buffer <= '0;
buffer_ready <= 0;
cnt_smp_num <= '0;
smp_num_reg <= '0;
enable <= '0;
sample_done <= 0;
end
else begin
buffer_ready <= 0;
if (sample_done && !sample_req) begin
sample_done <= 1'b0;
end
if (!enable && sample_req && !sample_done) begin
enable <= 1;
cnt_smp_num <= 0;
smp_num_reg <= smp_num;
end else begin
done <= 1;
end
end else begin
if (cnt_smp_num != smp_num_reg) begin
cnt_smp_num++;
m_axis_tdata[pack_cnt*DATA_WIDTH +: DATA_WIDTH] <= data_converted;
if (pack_cnt == PACK_FACTOR-1) begin
pack_cnt <= 0;
m_axis_tvalid <= 1;
end else begin
pack_cnt++;
m_axis_tvalid <= 0;
if (enable) begin
if (!out_of_range_reg) begin
if (cnt_smp_num != smp_num_reg) begin
buffer <= data_converted;
buffer_ready <= 1;
cnt_smp_num <= cnt_smp_num +1;
end
else begin
cnt_smp_num <= '0;
sample_done <= 1'b1;
buffer_ready <= 0;
buffer <= '0;
enable <= 0;
end
end
end else begin
pack_cnt <= '0;
synced <= 0;
m_axis_tvalid <= 0;
end
end
end
end
end else begin
always @(posedge clk_in) begin
if (rst) begin
buffer <= '0;
cnt <= '0; //
buffer_ready <= 0;
cnt_smp_num <= '0;
smp_num_reg <= '0;
enable <= 0;
sample_done <= 0;
end
else begin
buffer_ready <= 0;
if (sample_done && !sample_req) begin
sample_done <= 1'b0;
end
if (!enable && sample_req && !sample_done) begin
enable <= 1;
cnt_smp_num <= 0;
smp_num_reg <= smp_num;
end
if (enable) begin
if (!out_of_range_reg) begin
if (cnt_smp_num != smp_num_reg) begin
cnt_smp_num <= cnt_smp_num +1;
buffer <= {buffer[DATA_WIDTH*(PACK_FACTOR-1)-1:0], data_converted};
if (cnt == PACK_FACTOR-1) begin
cnt <= 0;
buffer_ready <= 1;
buffer <= {buffer[DATA_WIDTH*(PACK_FACTOR-1)-1:0], data_converted};
end
else begin
cnt <= cnt + 1;
end
end
else begin
sample_done <= 1'b1;
cnt_smp_num <= '0;
buffer_ready <= 0;
buffer <= '0;
enable <= 0;
end
end
end
end
end
end
endgenerate
assign m_axis_tdata = buffer;
assign m_axis_tvalid = buffer_ready;
endmodule
+51
View File
@@ -0,0 +1,51 @@
# SPDX-License-Identifier: MIT
#
# Copyright (c) 2025 FPGA Ninja, LLC
#
# Authors:
# - Alex Forencich
#
# FPGA settings
FPGA_PART = xc7a35tfgg484-1
FPGA_TOP = sampler
FPGA_ARCH = artix7
RTL_DIR = ../src
include ../../../scripts/vivado.mk
SYN_FILES += $(sort $(shell find ../src -type f \( -name '*.v' -o -name '*.sv' \)))
XCI_FILES = $(sort $(shell find ../src -type f -name '*.xci'))
XDC_FILES += ../../../constraints/ax7a035b.xdc
SYN_FILES += sampler_main_tb.sv
SIM_TOP = sampler_tb
program: $(PROJECT).bit
echo "open_hw_manager" > program.tcl
echo "connect_hw_server" >> program.tcl
echo "open_hw_target" >> program.tcl
echo "current_hw_device [lindex [get_hw_devices] 0]" >> program.tcl
echo "refresh_hw_device -update_hw_probes false [current_hw_device]" >> program.tcl
echo "set_property PROGRAM.FILE {$(PROJECT).bit} [current_hw_device]" >> program.tcl
echo "program_hw_devices [current_hw_device]" >> program.tcl
echo "exit" >> program.tcl
vivado -nojournal -nolog -mode batch -source program.tcl
$(PROJECT).mcs $(PROJECT).prm: $(PROJECT).bit
echo "write_cfgmem -force -format mcs -size 16 -interface SPIx4 -loadbit {up 0x0000000 $*.bit} -checksum -file $*.mcs" > generate_mcs.tcl
echo "exit" >> generate_mcs.tcl
vivado -nojournal -nolog -mode batch -source generate_mcs.tcl
mkdir -p rev
COUNT=100; \
while [ -e rev/$*_rev$$COUNT.bit ]; \
do COUNT=$$((COUNT+1)); done; \
COUNT=$$((COUNT-1)); \
for x in .mcs .prm; \
do cp $*$$x rev/$*_rev$$COUNT$$x; \
echo "Output: rev/$*_rev$$COUNT$$x"; done;
+132
View File
@@ -0,0 +1,132 @@
`timescale 1ns / 1ps
module sampler_tb;
parameter DATA_WIDTH = 12;
parameter PROCESS_MODE = 0;
parameter CLK_PERIOD = 15.3846;
parameter TEST_NUM = 1000;
logic clk;
logic rst;
logic [DATA_WIDTH-1:0] data_in;
logic out_of_range;
logic [DATA_WIDTH-1:0] m_axis_tdata;
logic m_axis_tvalid;
integer errors = 0;
sampler #(
.DATA_WIDTH(DATA_WIDTH),
.PROCESS_MODE(PROCESS_MODE)
) dut (
.clk_in(clk),
.rst(rst),
.data_in(data_in),
.out_of_range(out_of_range),
.m_axis_tdata(m_axis_tdata),
.m_axis_tvalid(m_axis_tvalid)
);
initial begin
clk = 0;
forever #(CLK_PERIOD/2) clk = ~clk;
end
function automatic [DATA_WIDTH-1:0] ref_convert(input [DATA_WIDTH-1:0] din);
if (PROCESS_MODE == 0)
return din;
else if (din == {1'b1, {(DATA_WIDTH-1){1'b0}}})
return din;
else
return din[DATA_WIDTH-1] ?
{1'b1, (~din[DATA_WIDTH-2:0] + 1'b1)} :
din;
endfunction
task send(input [DATA_WIDTH-1:0] word, input bit oor);
@(posedge clk);
data_in <= word;
out_of_range <= oor;
endtask
logic [DATA_WIDTH-1:0] exp_d0, exp_d1, exp_d2;
logic oor_d0, oor_d1, oor_d2;
initial begin
$display("\n=== RANDOM SAMPLER TEST===\n");
rst = 1;
data_in = 0;
out_of_range = 0;
exp_d0 = 0;
exp_d1 = 0;
exp_d2 = 0;
oor_d0 = 1;
oor_d1 = 1;
oor_d2 = 1;
repeat(5) @(posedge clk);
rst = 0;
repeat(2) @(posedge clk);
repeat (TEST_NUM) begin
logic [DATA_WIDTH-1:0] rand_data;
bit rand_oor;
rand_data = $urandom_range(0, (1 << DATA_WIDTH) - 1);
rand_oor = ($urandom_range(0, 99) < 20);
@(negedge clk);
if (!oor_d2) begin
if (m_axis_tvalid !== 1) begin
$display("ERROR: valid=0");
errors++;
end
if (m_axis_tdata !== exp_d2) begin
$display("ERROR: data mismatch");
$display(" expected = %h", exp_d2);
$display(" got = %h", m_axis_tdata);
errors++;
end
end
send(rand_data, rand_oor);
exp_d2 = exp_d1;
exp_d1 = exp_d0;
exp_d0 = ref_convert(rand_data);
oor_d2 = oor_d1;
oor_d1 = oor_d0;
oor_d0 = rand_oor;
end
@(posedge clk);
if (!oor_d2) begin
if (m_axis_tdata !== exp_d2) begin
$display("ERROR: final mismatch");
$display(" expected = %h", exp_d2);
$display(" got = %h", m_axis_tdata);
errors++;
end
end
if (errors == 0)
$display("\n========== ALL PASSED ==========\n");
else
$display("\n========== FAILED: %0d errors ==========\n", errors);
$finish;
end
endmodule
-241
View File
@@ -1,241 +0,0 @@
`timescale 1ns / 1ps
module sampler_tb #(
// Параметры тестбенча
parameter int DATA_WIDTH = 12, // bitwidth of sampled data. Equal to ADC bitwidth
parameter int PACK_FACTOR = 1, // packing of several numbers in one axi-stream tdata transaction
parameter bit PROCESS_MODE = 0, // signed (1) / unsigned (0)
parameter real CLK_PERIOD = 15.3846,
parameter int OTR_OFFSET = 0 // Out of Range offset number clipping
);
// Вычислимые константы
// Диапазон значений семплера
localparam int MIN_VALUE = PROCESS_MODE ? -2**(DATA_WIDTH-1) : 0;
localparam int MAX_VALUE = PROCESS_MODE ? 2**(DATA_WIDTH-1)-1 : (2**DATA_WIDTH)-1;
logic clk;
logic rst_dut;
logic rst_gen;
wire [DATA_WIDTH-1:0] data_in;
wire out_of_range;
logic [31:0] smp_num;
logic done;
logic request;
logic [DATA_WIDTH*PACK_FACTOR-1:0] m_axis_tdata;
logic m_axis_tvalid;
sampler #(
.DATA_WIDTH (DATA_WIDTH),
.PACK_FACTOR (PACK_FACTOR),
.PROCESS_MODE(PROCESS_MODE)
) dut (
.clk_in (clk),
.rst (rst_dut),
.data_in (data_in),
.out_of_range (out_of_range),
.smp_num (smp_num),
.done (done),
.m_axis_tdata (m_axis_tdata),
.m_axis_tvalid(m_axis_tvalid),
.request (request)
);
// =====================================================
// CLOCK
// =====================================================
initial begin
clk = 0;
forever #(CLK_PERIOD/2) clk = ~clk;
end
// =====================================================
// RESET
// =====================================================
task automatic reset_dut();
@(posedge clk);
rst_dut = 1;
@(posedge clk);
rst_dut = 0;
endtask
// =====================================================
// FEED DATA
// =====================================================
triangle_wave_gen #(
.DATA_WIDTH(DATA_WIDTH),
.OFFSET(OTR_OFFSET), // offset of bits from '0 and '1 for OTR
.STEP(1) // LSB bit per clock
) signal_gen (
.clk(clk),
.rst(rst_gen),
.signal(data_in),
.otr(out_of_range)
);
// =====================================================
// TEST TASKS
// =====================================================
task automatic run_test_case(
input int sample_num
);
logic [DATA_WIDTH-1:0] input_values[$];
logic [DATA_WIDTH-1:0] output_values[$];
bit flag;
int tmp_input_val, tmp_output_val;
// Startup sequence
rst_gen <= 1;
smp_num <= sample_num;
request <= 1;
@(posedge clk);
// syncronize
while (!done)
@(posedge clk);
request <= 0;
// Wait for sync and start signal generator
// while (!dut.synced)
// @(posedge clk);
wait(dut.synced === 1);
rst_gen <= 0;
// Wait for valid data
fork
begin : stat_mon_proc
forever begin
@(posedge clk);
input_values.push_back(data_in);
if (m_axis_tvalid) begin
for (int i = 0; i < PACK_FACTOR; i++)
output_values.push_back(m_axis_tdata[DATA_WIDTH*i +: DATA_WIDTH]);
end
end
end
join_none
// Wait until end
// while (dut.synced)
// @(posedge clk);
wait(dut.synced === 0);
disable stat_mon_proc;
// Pop last input value. Signal is ahead of tdata for 1 cycle
input_values.pop_back();
// check data length correct
if ((input_values.size() - (input_values.size() % PACK_FACTOR)) != output_values.size()) begin
$display("[ERROR] -run_test_case- Input queue size don't equal to output queue size: %0d vs %0d", input_values.size(), output_values.size());
$finish;
end
flag = 0;
for (int i = 0; i < output_values.size(); i++) begin
// clip value for OTR
tmp_input_val = int'(input_values[i]) + MIN_VALUE;
tmp_output_val = PROCESS_MODE ?
int'($signed({output_values[i][DATA_WIDTH-1], output_values[i]})) :
int'(output_values[i]);
if ((tmp_input_val < MIN_VALUE + OTR_OFFSET) ||
(tmp_input_val > MAX_VALUE - OTR_OFFSET)) begin
// need clipping
tmp_input_val = ((tmp_input_val - MIN_VALUE) < 2**(DATA_WIDTH-1)) ?
MIN_VALUE : MAX_VALUE;
end
if (tmp_input_val != tmp_output_val)
flag = 1;
end
// $display("Total: %0d", output_values.size());
if (flag) begin
$display("[ERROR] -run_test_case- Sampled data not correct and not equal to generated signal.");
$finish;
end
endtask
// =====================================================
// MAIN
// =====================================================
initial begin
int random_number;
$display("\n=== BASIC TEST ===");
rst_dut = 1;
rst_gen = 1;
smp_num = 0;
repeat(2) @(posedge clk);
rst_dut = 0;
repeat(2) @(posedge clk);
$display("basic test #1");
run_test_case(10);
run_test_case(100);
run_test_case(10000);
$display("basic test #2");
run_test_case(0);
$display("\n=== RANDOM STRESS TEST ===");
for (int i = 0; i < 10; i++) begin
$display("Random test #%0d", i);
random_number = $urandom_range(0, 3 * 2**(DATA_WIDTH)); // up to 1.5 triangle waves
run_test_case(random_number);
end
$display("\n=== TEST FINISHED ===");
$finish;
end
endmodule
module triangle_wave_gen #(
parameter DATA_WIDTH = 12,
parameter OFFSET = 100, // offset of bits from '0 and '1 for OTR
parameter STEP = 1 // LSB bit per clock
) (
input clk,
input rst,
output logic [DATA_WIDTH-1:0] signal,
output logic otr
);
logic [DATA_WIDTH:0] counter;
logic direction;
initial begin
counter = '0;
direction = 1;
end
assign signal = counter > (2**DATA_WIDTH-1) ? (2**DATA_WIDTH-1) : counter;
always_comb begin
if (signal < OFFSET || (2**DATA_WIDTH - signal) <= OFFSET)
otr <= 1;
else
otr <= 0;
end
always @(posedge clk) begin
if (rst) begin
counter = 0;
direction = 1;
end else begin
if (direction)
counter += STEP;
else
counter -= STEP;
if (counter >= 2**DATA_WIDTH-1 || counter <= 0)
direction <= ~direction;
end
end
endmodule
-96
View File
@@ -1,96 +0,0 @@
# SPDX-License-Identifier: MIT
###################################################################
# Questa/ModelSim simulation helper
#
# Expected variables from the project Makefile:
# SYN_FILES - RTL sources
# TB_FILES - testbench sources
# INC_FILES - include files, optional
# SIM_TOP - simulation top module
# SIM_DEFS - defines, optional
# SIM_RUNTIME - run time, for example "10000 us" or "-all"
#
# Useful overrides:
# make sim-questa XILINX_VIVADO=/opt/Xilinx/Vivado/2024.2
# make sim-questa-gui
###################################################################
.PHONY: sim-questa sim-questa-gui questa-clean questa-xpm-clean
VLIB ?= vlib
VMAP ?= vmap
VLOG ?= vlog
VSIM ?= vsim
QUESTA_WORK_LIB ?= work
QUESTA_XPM_LIB ?= xpm
QUESTA_DIR ?= questa_build
QUESTA_TRANSCRIPT ?= transcript
XILINX_VIVADO=/tools/Xilinx/2025.1/Vivado
SIM_RUNTIME ?= 10000 us
QUESTA_RUN ?= run $(SIM_RUNTIME)
# XPM is needed by this design because accum.sv uses xpm_memory_sdpram and
# out_axis_fifo.sv uses xpm_fifo_async. Point XILINX_VIVADO to your Vivado
# install if it is not already exported by settings64.sh.
QUESTA_USE_XPM ?= 1
QUESTA_XPM_SRC = \
$(XILINX_VIVADO)/data/ip/xpm/xpm_cdc/hdl/xpm_cdc.sv \
$(XILINX_VIVADO)/data/ip/xpm/xpm_memory/hdl/xpm_memory.sv \
$(XILINX_VIVADO)/data/ip/xpm/xpm_fifo/hdl/xpm_fifo.sv
QUESTA_GLBL_SRC = $(XILINX_VIVADO)/data/verilog/src/glbl.v
QUESTA_DEFS = $(foreach d,$(SIM_DEFS),+define+$(d))
QUESTA_INC_DIRS = $(sort $(dir $(SYN_FILES) $(TB_FILES) $(INC_FILES)))
QUESTA_INCS = $(foreach d,$(QUESTA_INC_DIRS),+incdir+$(d))
QUESTA_LIBS = $(if $(filter 1,$(QUESTA_USE_XPM)),-L $(QUESTA_XPM_LIB),)
QUESTA_SOURCES = $(SYN_FILES) $(TB_FILES) $(if $(wildcard $(QUESTA_GLBL_SRC)),$(QUESTA_GLBL_SRC),)
QUESTA_GLBL_TOP = $(if $(wildcard $(QUESTA_GLBL_SRC)),$(QUESTA_WORK_LIB).glbl,)
$(QUESTA_DIR):
mkdir -p $@
$(QUESTA_DIR)/sources.f: Makefile | $(QUESTA_DIR)
@rm -f $@
@for inc in $(QUESTA_INCS); do echo $$inc >> $@; done
@for src in $(QUESTA_SOURCES); do echo $$src >> $@; done
$(QUESTA_DIR)/xpm.stamp: | $(QUESTA_DIR)
@if [ "$(QUESTA_USE_XPM)" = "1" ]; then \
if [ -z "$(XILINX_VIVADO)" ]; then \
echo "ERROR: XILINX_VIVADO is not set. Source Vivado settings64.sh or pass XILINX_VIVADO=/path/to/Vivado/<version>."; \
exit 1; \
fi; \
for src in $(QUESTA_XPM_SRC); do \
if [ ! -f $$src ]; then \
echo "ERROR: XPM source not found: $$src"; \
exit 1; \
fi; \
done; \
$(VLIB) $(QUESTA_XPM_LIB); \
$(VMAP) $(QUESTA_XPM_LIB) $(QUESTA_XPM_LIB); \
$(VLOG) -sv -work $(QUESTA_XPM_LIB) $(QUESTA_XPM_SRC); \
fi
@touch $@
$(QUESTA_DIR)/compile.stamp: $(QUESTA_DIR)/sources.f $(SYN_FILES) $(TB_FILES) $(INC_FILES) $(QUESTA_DIR)/xpm.stamp
$(VLIB) $(QUESTA_WORK_LIB)
$(VMAP) $(QUESTA_WORK_LIB) $(QUESTA_WORK_LIB)
$(VLOG) -sv -work $(QUESTA_WORK_LIB) $(QUESTA_DEFS) -timescale 1ns/1ps $(QUESTA_INCS) -f $(QUESTA_DIR)/sources.f
@touch $@
sim-questa: $(QUESTA_DIR)/compile.stamp
$(VSIM) -c $(QUESTA_LIBS) $(QUESTA_WORK_LIB).$(SIM_TOP) $(QUESTA_GLBL_TOP) -do "$(QUESTA_RUN); quit -f"
sim-questa-gui: $(QUESTA_DIR)/compile.stamp
$(VSIM) $(QUESTA_LIBS) -voptargs="+acc" $(QUESTA_WORK_LIB).$(SIM_TOP) $(QUESTA_GLBL_TOP)
questa-clean:
-rm -rf $(QUESTA_DIR) $(QUESTA_WORK_LIB) $(QUESTA_TRANSCRIPT) vsim.wlf *.wlf
questa-xpm-clean: questa-clean
-rm -rf $(QUESTA_XPM_LIB)