generator quick fix

This commit is contained in:
2026-05-29 18:01:31 +03:00
parent 906d5090cd
commit 0a68a753be
2 changed files with 58 additions and 44 deletions

View File

@ -3,8 +3,8 @@
module generator_tb;
parameter DATA_WIDTH = 14;
parameter ZERO_LEVEL = 8192;
parameter CLK_PERIOD = 16;
parameter ZERO_LEVEL = 0;
parameter CLK_PERIOD = 8;
logic clk;
logic rst;
@ -17,10 +17,12 @@ module generator_tb;
logic pulse;
logic [DATA_WIDTH-1:0] pulse_height_out;
logic sample_done, sample_req;
// DUT
generator #(
.DATA_WIDTH(DATA_WIDTH)
.DATA_WIDTH(DATA_WIDTH),
.ZERO_LEVEL(ZERO_LEVEL)
) dut (
.clk_in(clk),
.rst(rst),
@ -30,7 +32,9 @@ module generator_tb;
.pulse_height(pulse_height),
.pulse_num(pulse_num),
.pulse(pulse),
.pulse_height_out(pulse_height_out)
.pulse_height_out(pulse_height_out),
.sample_done(sample_done),
.sample_req(sample_req)
);
// Clock
@ -49,6 +53,7 @@ module generator_tb;
pulse_period = 0;
pulse_height = 0;
pulse_num = 0;
sample_done = 0;
repeat(5) @(posedge clk);
rst = 0;
@ -56,59 +61,67 @@ module generator_tb;
// --- Test 1 ---
// 3 clk 1, 5 clk 0, 4 pulses
repeat(2) @(posedge clk);
pulse_width = 3;
pulse_period = 8;
pulse_width = 1;
pulse_period = 20;
pulse_num = 4;
pulse_height = 14'h3FF;
#1;
start = 1;
repeat(1) @(posedge clk);
repeat(1) @(posedge clk);
start = 0;
repeat(50) @(posedge clk);
// --- Test 2 ---
$display("\n--- SECOND RUN ---\n");
wait(sample_req == 1);
@(posedge clk);
pulse_width = 2;
pulse_period = 5;
pulse_num = 3;
pulse_height = 14'h155;
start = 1;
#1;
sample_done = 1;
wait(sample_req == 0)
sample_done = 0;
@(posedge clk);
start = 0;
repeat(pulse_period*pulse_num+10) @(posedge clk);
// // --- Test 2 ---
// $display("\n--- SECOND RUN ---\n");
repeat(40) @(posedge clk);
// @(posedge clk);
// pulse_width = 2;
// pulse_period = 5;
// pulse_num = 3;
// pulse_height = 14'h155;
// start = 1;
// @(posedge clk);
// start = 0;
// repeat(40) @(posedge clk);
pulse_width = 3;
pulse_period = 8;
pulse_num = 4;
pulse_height = 14'h3FF;
start = 1;
// pulse_width = 3;
// pulse_period = 8;
// pulse_num = 4;
// pulse_height = 14'h3FF;
// start = 1;
repeat(1) @(posedge clk);
start = 0;
// repeat(1) @(posedge clk);
// start = 0;
repeat(5) @(posedge clk);
start = 1;
pulse_height = 14'h155;
// repeat(5) @(posedge clk);
// start = 1;
// pulse_height = 14'h155;
repeat(1) @(posedge clk);
start = 0;
// repeat(1) @(posedge clk);
// start = 0;
repeat(50) @(posedge clk);
// repeat(50) @(posedge clk);
$display("\n=== TEST FINISHED ===");
$finish;
end
// $display("\n=== TEST FINISHED ===");
// $finish;
end
// Display
always @(posedge clk) begin
$display("t=%0t | pulse=%0b | height=%h",
$time, pulse, pulse_height_out);
end
// // Display
// always @(posedge clk) begin
// $display("t=%0t | pulse=%0b | height=%h",
// $time, pulse, pulse_height_out);
// end
endmodule