dsp/gc_cordic: move testbench to use Logger/UnitTest code

57ce05b4 · Tomasz Wlostowski · 08b8f29f · 57ce05b4 · 57ce05b4 · 57ce05b4
Commit 57ce05b4 authored Aug 03, 2022 by Tomasz Wlostowski
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Showing with 1162 additions and 22 deletions

Manifest.py testbench/dsp/gc_cordic/Manifest.py +1 -1

main.sv testbench/dsp/gc_cordic/main.sv +35 -10

wave.do testbench/dsp/gc_cordic/wave.do +1126 -11

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--- a/testbench/dsp/gc_cordic/Manifest.py
+++ b/testbench/dsp/gc_cordic/Manifest.py
@@ -15,7 +15,7 @@ include_dirs = [

 modules = {
    "local" :  [
-        "../../../",
+        "../../../", "../../../sim/"
    ],
 }


--- a/testbench/dsp/gc_cordic/main.sv
+++ b/testbench/dsp/gc_cordic/main.sv
 `timescale 1ns/1ps

-
+import gencores_sim_pkg::*;
 import gc_cordic_pkg::*;

 const bit[0:0] MODE_VECTOR =1'b0;
@@ -51,7 +51,7 @@ module main;
   gc_cordic #(
 	       .g_N(16),
 	       .g_M(16),
-	       .g_ANGLE_FORMAT(1) //c_ANGLE_FORMAT_FULL_SCALE_180)
+	       .g_ANGLE_FORMAT(1)
 	       )
   DUT 
     (
@@ -117,6 +117,7 @@ module main;
   

   task automatic run_cordic_testcase( cordic_data_t in [$], cordic_data_t exp_out[$], int latency, int max_error, bit check_x, bit check_y, bit check_z, output int err_count );
+      automatic Logger l = Logger::get();
      automatic int j;
      
      cordic_data_t out[$];
@@ -150,19 +151,19 @@ module main;
 	   err.z = abs(e.z-o.z);
 	   if(check_x && err.x > max_error)
 	     begin
-		$error("Sample %d: X expected = %d, actual = %d", j, e.x, o.x);
+		l.msg(1, $sformatf( "Sample %d: X expected = %d, actual = %d", j, e.x, o.x) );
 		err_count++;
 	     end
 	   
 	   if(check_y && err.y > max_error)
 	     begin
-		$error("Sample %f: Y expected = %d, actual = %d", j, e.y, o.y);
+		l.msg(1, $sformatf( "Sample %f: Y expected = %d, actual = %d", j, e.y, o.y) );
 		err_count++;
 	     end
 	   
 	   if(check_z && err.z > max_error)
 	     begin
-		$error("Sample %d: Z expected = %d, actual = %d", j, e.z, o.z);
+		l.msg(1, $sformatf( "Sample %d: Z expected = %d, actual = %d", j, e.z, o.z) );
 		err_count++;
 	     end
 	   
@@ -198,9 +199,12 @@ module main;
   
  
   task automatic run_testcase_sincos( int nsamples );
+      automatic Logger l = Logger::get();
      cordic_data_t in[$], expected[$], tmp, result;
      int i, err_cnt=0;

+      l.startTest("Cordic Angle/Mag -> Sin/Cos");
+
      cor_mode = MODE_ROTATE;
      cor_submode = SUBMODE_CIRCULAR;

@@ -229,14 +233,23 @@ module main;
 	end

      run_cordic_testcase( in, expected, c_PIPELINE_DELAY, 20, 1, 1, 0, err_cnt );
-      $display("Mag/Phase->Sin/Cos: %d errors", err_cnt);
+      l.msg(0, $sformatf( "Mag/Phase->Sin/Cos: %d errors", err_cnt) );
+      
+      if( err_cnt )
+         l.fail("Cordic/s sin/cos value mismatch with model values");
+      else
+         l.pass();
      
   endtask // run_testcase_sincos

    task automatic run_testcase_angle_mag( int nsamples );
+      automatic Logger l = Logger::get();
+      
      cordic_data_t in[$], expected[$], tmp, result;
      int i, err_cnt=0;

+      l.startTest("Cordic Sin/Cos -> Angle/Mag");
+      
      cor_mode = MODE_VECTOR;
      cor_submode = SUBMODE_CIRCULAR;

@@ -259,21 +272,33 @@ module main;
 	end

      run_cordic_testcase( in, expected, c_PIPELINE_DELAY, 20, 1, 0, 1, err_cnt );
-      $display("Sin/Cos->Mag/Phase: %d errors", err_cnt);
+      l.msg(0, $sformatf( "Sin/Cos->Mag/Phase: %d errors", err_cnt) );
+
+      if( err_cnt )
+         l.fail("Cordic/s mag/phase value mismatch with model values");
+      else
+         l.pass();

   endtask
 	
   
-   initial begin
+   task setup();
      while(!rst_n) @(posedge clk);

      @(posedge clk);
+   endtask

+   initial begin
+      automatic Logger l = Logger::get();
+
+      setup();
+      
      run_testcase_sincos( 10000 );
      run_testcase_angle_mag( 10000 );
+
+      l.writeTestReport(1);
+
      $stop;
-      
-      
   end
   
   

--- a/testbench/dsp/gc_cordic/wave.do
+++ b/testbench/dsp/gc_cordic/wave.do