random config tests

rtl/generator/src/generator.sv

@@ -68,10 +68,10 @@ module generator
                                 dac_out <= pulse_height_reg;
                             else
                                 dac_out <= ZERO_LEVEL;
-                            cnt_pulse_period <= cnt_pulse_period + 1;
+                            cnt_pulse_period++;
                         end
                         else if (cnt_pulse_period == pulse_period_reg) begin
-                            cnt_pulse_num       <=  cnt_pulse_num + 1;
+                            cnt_pulse_num++;
                             cnt_pulse_period    <=  0;
                             synced              <=  0;
                             dac_out             <=  ZERO_LEVEL;

rtl/generator/tests/generator_tb.sv

@@ -24,6 +24,15 @@ module generator_tb;
     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
+
     // DUT
     generate
         if (ZERO_LEVEL == "true") begin : gen_dut_true
@@ -202,19 +211,73 @@ module generator_tb;
                 end
             end
         join
-        repeat(pulse_p) @(posedge clk);
+        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");
+            $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);
+                $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
+    );
+        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
+                    @(posedge dac_wrt);
+                    if (dac_out == pulse_h) begin
+                        total_impulse_cycles++;
+                    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 (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
+    endtask
 
     // --- ОСНОВНОЙ ПРОЦЕСС ТЕСТИРОВАНИЯ ---
     initial begin
@@ -229,7 +292,39 @@ module generator_tb;
         pulse_num    = 0;
         sampler_done = 0;
 
+        $display("[TB] Test 1. Random latency for control signals");
         check_impulses();
+        $display("[TB] Test 1 complete");
+
+        $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;
+
+            // 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)
+
+            // Защита от "нулевого" импульса. Невозможно проверить длительность.
+            if (r_h == current_zero_level) begin
+                r_h += $urandom_range(1, 10);
+            end
+
+            $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);
+
+            run_test_case(
+                .pulse_w(r_w), 
+                .pulse_p(r_p), 
+                .pulse_n(r_n), 
+                .pulse_h(r_h), 
+                .skip_reset(r_skip)
+            );
+        end
+        $display("[TB] Test 2 complete");
 
         $display("[TB] All Tests complete!");
         $finish;