testbench.cpp

#include "./kernel.h"

using namespace std;

int main()
{
   FILE *fp;
//   ap_uint<8> x[22*NUM_BYTES];
   uint8_t x[100000] = {0}; //beware of limited memory
   uint16_t golden[1000000] = {0};
   ap_uint<9> y[10000] = {0};
   int sz = SIZE;
   int bpb = BYTES_PER_BEAT;

   int i = 0;
   fp=fopen("/home/jonathan/Documents/Chalmers/Year5/DAT480/Lab_Project/DAT480/Rules_div_by_length/test_vec_input.txt","r");
   if(fp == NULL){
	   cout << "ERROR OPENING FILE\n";
	   exit(1);

   }
   fseek(fp, 0L, SEEK_END);
   int sz_f_x = ftell(fp);
   fseek(fp, 0L, SEEK_SET);

   for (i=0; i<sz_f_x; i++){
	  uint8_t tmp;
	  fscanf(fp, "%c", &tmp);
	  x[i] = tmp;
	  printf("%c", tmp);
   }
   fclose(fp);


   fp=fopen("/home/jonathan/Documents/Chalmers/Year5/DAT480/Lab_Project/DAT480/Rules_div_by_length/test_vec_gold.txt","r");
   if(fp == NULL){
	   cout << "ERROR OPENING FILE\n";
	   exit(1);

   }
   int sz_f_g = 0;
   char c;
   for (c = getc(fp); c != EOF; c = getc(fp))
       if (c == '\n') // Increment count if this character is newline
    	   sz_f_g++;
   printf("\n");

   printf("%d\n", sz_f_g);
   fseek(fp, 0L, SEEK_SET);
   for (i=0; i<sz_f_g; i++){
	  int tmp;
	  fscanf(fp, "%d", &tmp);
	  golden[i] = tmp & 0xffff;
//	  printf(" golden = %d\n",golden[i]);
   }
   fclose(fp);


  hls::stream<pkt> in;//, out;
  pkt word_in, word_out;
  
  ap_uint<NUM_BYTES*8> out;
  int count = 0;
for(int i = 0; i<(int)ceil((float) sz_f_x/(float)sz); i++){
	for (unsigned int l = 0; l < sz/bpb; l++) {
//	      printf("writing\n");
	      ap_uint<512> res;
	      for(int j=0;j<NUM_BYTES;j++)
	      {
	       res.range((j*8),(j*8)+7) = x[i*sz+NUM_BYTES*l+j];
//	       cout << "TB reads " << (char) res.range((j*8),(j*8)+7) << endl;

	      }
//	      printf("\n");

	      word_in.data = res;
	      word_in.keep = -1;

	      // set last signals when last piece of data or
	      // multiple of 1408 bytes, packetize the payload
	      if ((((sz/bpb) - 1)==l) || ((((l + 1) * bpb) % sz) == 0))
	        word_in.last = 1;
	      else
	        word_in.last = 0;

	      word_in.dest = 0; //not sure if i need to set this in the tb
	      in.write(word_in);
	      krnl_s2mm(in,&out);
//	      out.read(word_out);
		for(int j=0;j<41;j++)
		{
		ap_uint<12> result = out.range((j*12),(j*12)+11);//word_out.data.range((j*12),(j*12)+11);
			if(result != 4095){ //not a match, skip check.
				y[count] = result;
				cout << "Count = " << count ;
				cout << ": y = " << y[count] << " golden = " << golden[count] << endl;

				if(y[count] != golden[count]){
					cout << "TB failed at count = " << count << endl;
					return 1; //return 1 to indicate fail
				}

				count++;
			}
		}

	}
}
  printf("Reached end of tb\n");
  return 0;
}