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upd: sync design log verbosity + optimal delay latency

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This commit is contained in:
Zer0Nu11
2026-06-19 20:49:17 +03:00
parent d71aaf1650
commit 4fbecd5e30
3 changed files with 25 additions and 21 deletions
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2
designs/adc_dac_synchoronizer/sync_top.sv
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@ -42,7 +42,7 @@ module sync_top
endgenerate
generate
if (USE_DELAY_LINE) begin
localparam int DELAY_LENGTH = 0;
localparam int DELAY_LENGTH = USE_DELAY_LINE;
logic [DELAY_LENGTH:0][ADC_DATA_WIDTH-1:0] signal_delay_line;
always_ff @(posedge clk_dac) begin
signal_delay_line[0] <= internal_wire_singnal;

38
designs/adc_dac_synchoronizer/tb_sync_top.sv
View File

@ -6,6 +6,7 @@ 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;
@ -13,7 +14,7 @@ module tb_top;
localparam PROCESS_MODE = 0;
localparam CLK_DAC_PERIOD = 8;
localparam CLK_ADC_PERIOD = 15.385;
localparam USE_DELAY_LINE = 1;
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;
@ -262,8 +263,10 @@ module tb_top;
average_sync_time += sync_time_stats[i];
average_sync_time /= pulse_num;
$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);
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;
@ -296,24 +299,25 @@ module tb_top;
rst_adc = 0;
rst_dac = 0;
$display("[TB] Test 1. Simple test");
// run_test_case(
// .pulse_width(50),
// .pulse_period(125),
// .pulse_height(2**(ADC_DATA_WIDTH-1)),
// .pulse_num(5),
// .sample_num(65),
// .skip_reset(0),
// .randomize_start_timing(0),
// .out_of_range_val(0),
// .randomize_out_of_range(0)
// );
$display("[TB] Test 1. Simple test. (1/2)");
run_test_case(
.pulse_width(50),
.pulse_period(125),
.pulse_height(2**(ADC_DATA_WIDTH-1)),
.pulse_num(5),
.sample_num(65),
.skip_reset(0),
.randomize_start_timing(0),
.out_of_range_val(0),
.randomize_out_of_range(0)
);
$display("[TB] Test 1. Simple test. (2/2)");
run_test_case(
.pulse_width(25),
.pulse_period(110),
.pulse_period(125),
.pulse_height(2**(ADC_DATA_WIDTH-1)),
.pulse_num(10),
.sample_num(50),
.sample_num(65),
.skip_reset(0),
.randomize_start_timing(0),
.out_of_range_val(0),