adding tests for further modification to the new reflectometer ip

This commit is contained in:
otroubi
2026-08-04 15:46:43 +03:00
parent 1d7d7ef5e9
commit 5b61319140
10 changed files with 801 additions and 359 deletions
@@ -1,75 +0,0 @@
TOPLEVEL_LANG = verilog
SIM ?= verilator
PWD := $(shell pwd)
WRAP_DIR = $(PWD)/../src
RTL_CTRL_DIR = $(PWD)/../../controller_new/src
RTL_ACCUM_DIR = $(PWD)/../../accum/src
RTL_GENERATOR_DIR = $(PWD)/../../generator/src
RTL_SAMPLER_DIR = $(PWD)/../../sampler/src
RTL_ADC_DAC_MODELS_DIR = $(PWD)/../reflectometer_base
LIBS_DIR = $(PWD)/../../../external/rtl_libs
#axi primitives
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axi_pkg.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axi_if.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/rtl/axis_if.sv
VERILOG_SOURCES += $(LIBS_DIR)/axi/axi_reg/axi4l_reg_map.sv
#dma primitives
VERILOG_SOURCES += $(RTL_CTRL_DIR)/dma_reg_pkg.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 += $(WRAP_DIR)/axi_dma_wrapper_if.sv
# controller primitives
VERILOG_SOURCES += $(RTL_CTRL_DIR)/controller.sv
VERILOG_SOURCES += $(RTL_CTRL_DIR)/dma_controller.sv
VERILOG_SOURCES += $(RTL_CTRL_DIR)/shaper_axis_desc.sv
VERILOG_SOURCES += $(RTL_CTRL_DIR)/shaper_axis_status.sv
VERILOG_SOURCES += $(RTL_CTRL_DIR)/controller_wrapper_axil.sv
VERILOG_SOURCES += $(RTL_CTRL_DIR)/axi4l_reg_map_controller_pkg.sv
VERILOG_SOURCES += $(RTL_CTRL_DIR)/axis_defaults_helper.sv
VERILOG_SOURCES += $(RTL_CTRL_DIR)/axi4l_reg_map_controller.sv
# accumulator primitives
VERILOG_SOURCES += $(RTL_ACCUM_DIR)/adder.sv
VERILOG_SOURCES += $(RTL_ACCUM_DIR)/accum.sv
VERILOG_SOURCES += $(RTL_ACCUM_DIR)/out_axis_fifo.sv
VERILOG_SOURCES += $(RTL_ACCUM_DIR)/accum_top.sv
# generator primitives
VERILOG_SOURCES += $(RTL_GENERATOR_DIR)/generator.sv
#sampler_primitives
VERILOG_SOURCES += $(RTL_SAMPLER_DIR)/sampler.sv
# project primitives
VERILOG_SOURCES += $(WRAP_DIR)/reflectometer_ip.sv
VERILOG_SOURCES += $(WRAP_DIR)/reflectometer_and_dma_wrapper.sv
# testbench primitives
VERILOG_SOURCES += $(RTL_ADC_DAC_MODELS_DIR)/adc_model.sv
VERILOG_SOURCES += $(RTL_ADC_DAC_MODELS_DIR)/dac_model.sv
VERILOG_SOURCES += $(PWD)/tb_reflectometer_and_dma_wrapper.sv
TOPLEVEL = tb_reflectometer_and_dma_wrapper
MODULE = test_reflectometer_and_dma
ifeq ($(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 +1,60 @@
# SPDX-License-Identifier: MIT
#
# Copyright (c) 2025 FPGA Ninja, LLC
#
# Authors:
# - Alex Forencich
#
# FPGA settings
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'))
XCI_FILES += $(sort $(shell find ip/ -type f -name '*.xci'))
XDC_FILES += ../../constraints/ax7102.xdc
XDC_FILES += debug.xdc
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;
@@ -0,0 +1,59 @@
// 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
@@ -0,0 +1,58 @@
// 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
@@ -1,7 +1,9 @@
# Primary clocks
create_clock -name ref_clock -period 5.000 [get_ports ctrl_clk]
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_inst/clk_adc_65]]
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 $clk_65_name
@@ -0,0 +1,130 @@
`ifndef AXIS_INTERFACE_SVH
`define AXIS_INTERFACE_SVH
interface axis_if #(
parameter int DATA_WIDTH = 8
)(
input logic clk,
input logic rst_n
);
// Сигналы шины AXI-Stream
logic [DATA_WIDTH-1:0] tdata;
logic tvalid;
logic tlast;
logic tready;
initial begin // Default values
tdata = 'x;
tvalid = 1'b0;
tlast = 1'b0;
tready = 1'b0;
end
// Master Clocking Block (для отправки данных из TB)
clocking drv_cb @(posedge clk);
default input #1step output #100ps;
output tdata, tvalid, tlast;
input tready;
endclocking
// Slave Clocking Block (для приема данных в TB с генерацией tready)
clocking slv_cb @(posedge clk);
default input #1step output #100ps;
input tdata, tvalid, tlast;
output tready;
endclocking
// Passive Monitor Clocking Block
clocking mon_cb @(posedge clk);
default input #1step;
input tdata, tvalid, tlast, tready;
endclocking
modport master (output tdata, tvalid, tlast, input tready);
modport slave (input tdata, tvalid, tlast, output tready);
// Модпорт для тестбенча с тасками
modport tb (
clocking drv_cb,
clocking slv_cb,
clocking mon_cb,
import master_send,
import slave_recv,
import monitor_recv
);
// Отправка пакета (Тестбенч выступает как Master)
task automatic master_send(input logic [DATA_WIDTH-1:0] payload[]);
if (payload.size() == 0) return;
@(drv_cb);
for (int i = 0; i < payload.size(); i++) begin
drv_cb.tdata <= payload[i];
drv_cb.tvalid <= 1'b1;
drv_cb.tlast <= (i == payload.size() - 1);
forever begin // Ждем подтверждение от слейва пока не получим
@(drv_cb);
if (drv_cb.tready === 1'b1) begin
break;
end
end
end
// Сбрасываем сигналы после отправки пакета
drv_cb.tvalid <= 1'b0;
drv_cb.tlast <= 1'b0;
drv_cb.tdata <= 'x;
endtask
// Прием пакета (Тестбенч выступает как Slave и управляет tready). Не применять если есть реальный Slave (его tready опустится насильно)
task automatic slave_recv(output logic [DATA_WIDTH-1:0] payload[]);
logic [DATA_WIDTH-1:0] local_queue[$]; // 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`
@@ -0,0 +1,373 @@
`timescale 1ns / 1ps
`include "interfaces.svh"
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 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
//------------------------------------------------------------
int unsigned WINDOW_SIZE = 65; // fixed subwindow size to average by time
//------------------------------------------------------------
// 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;
// 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), // 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)
);
assign window_size = WINDOW_SIZE;
//------------------------------------------------------------
// 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)
$display("[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 = window_size;
endtask
// Таски сбора статистики
task automatic dut_read_output(
virtual axis_if#(8).tb vif,
input int sample_num,
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
$display("[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
$display("[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
$display("[ERROR] -dut_read_output- Timeout detected when receiving packet");
$finish;
end
if (rx_packet.size() != PACKET_SIZE) begin
$display("[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
$display("[ERROR] -dut_read_output- Wrong number of packets received: %0d received, %0d expected", packet_counter, packet_num);
$finish;
end
endtask
// Основная таска типового теста
// todo
//------------------------------------------------------------
// ОСНОВНОЙ ПРОЦЕСС ТЕСТИРОВАНИЯ
//------------------------------------------------------------
initial begin
int output_data[];
automatic virtual axis_if.tb control_vif = axis_control_if.tb;
automatic virtual axis_if.tb accumulator_vif = axis_accumulator_if.tb;
$display("[TB] DUT initializaton");
// Инициализация
request_ready = 0;
rst_n = 0;
#100;
rst_n = 1;
wait(mmcm_locked === 1'b1);
#150;
$display("[TB] MMCM locked");
dut_soft_reset(control_vif);
#100;
// Тесты
$display("[TB] Tests start");
dut_send_system_config(
.vif(control_vif),
.pulse_width(32'd123),
.pulse_period(32'd5000),
.pulse_num(16'd1),
.pulse_height(14'd15000), // 0V
.pulse_period_adc(32'd2600),
.window_size(1)
);
#100;
dut_start(control_vif);
dut_read_output(
.vif(accumulator_vif),
.sample_num(2600),
.randomize_recv_delays(0),
.output_data(output_data)
);
#1000;
$display("Received %0d numbers", output_data.size());
for (int i = 0; i < output_data.size(); i++) begin
$write("%0d ", output_data[i]);
end
$display("");
$display("[TB] ALL PASSED");
$finish;
end
endmodule
@@ -0,0 +1,117 @@
<?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>
@@ -1,282 +0,0 @@
import dma_reg_pkg::*;
`timescale 1 ns / 1 ns
module tb_reflectometer_and_dma_wrapper
#(
// parameters for base reflectometer works
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 int unsigned RD_FIFO_WIDTH = 32,
// parameters for DMA and interfaces
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 rst_n,
output wire locked,
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,
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;
// ---------------------------------------------------------------------------
// 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 DATA 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)
) 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(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)
);
// Интерфейс хендшейка с MAC-PHY
wire send_request;
logic request_ready;
// Сигнал между ЦАП и АЦП
real signal_voltage;
// ADC интерфейс
wire clk_adc;
wire adc_otr;
wire [ADC_DATA_WIDTH-1:0] adc_data;
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)
);
// DAC интерфейс
wire clk_dac;
wire dac_wrt;
wire [DAC_DATA_WIDTH-1:0] dac_data;
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)
);
reflectometer_and_dma_wrapper #(
.DAC_DATA_WIDTH(DAC_DATA_WIDTH),
.ADC_DATA_WIDTH(ADC_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),
.RD_FIFO_WIDTH(RD_FIFO_WIDTH),
.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)
) reflectometer_and_dma_wrapper_dut (
.ctrl_clk(ctrl_clk),
.rst_n(rst_n),
.locked(locked),
.s_axil(axil_bus),
.m_axi(m_axi),
.m_axis_read_data(read_data),
.dac_clk_o(clk_dac),
.dac_data(dac_data),
.dac_wrt(dac_wrt),
.adc_clk_o(clk_adc),
.adc_data(adc_data),
.adc_otr(adc_otr)
);
endmodule