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#include "ad9361.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int check_result(short *taps, char tap_filename[100])
{
FILE *fp;
char buffer[255];
printf("FN: %s\n",tap_filename);
fp = fopen(tap_filename, "r");
uint8_t k = 0;
while (fgets(buffer, 255, (FILE *)fp)) {
int tap = atoi(buffer);
// printf("|%i|%i|\n", tap, taps[k]);
// Taps need to be within 2 samples (remez had randomness in it)
if (abs(tap - taps[k])>2) {
fclose(fp);
printf("Error: Tap missmatch\n");
return -2;
}
k++;
}
fclose(fp);
return 0;
}
int main(void)
{
struct filter_design_parameters fdpTX;
struct filter_design_parameters fdpRX;
short outputTaps[128];
int num_taps, ret, gain, k;
char filename[100];
unsigned long rates[] = {1000000, 10000000, 20000000, 60000000};
for (k = 0; k < 4; k++) {
// Generate rates in filter struct
ret = ad9361_calculate_rf_clock_chain_fdp(&fdpTX, &fdpRX, rates[k]);
// Test RX side
ret = ad9361_generate_fir_taps(&fdpRX, outputTaps, &num_taps, &gain);
if (ret < 0)
return ret;
sprintf(filename,"rateRX_%lu.taps",rates[k]);
ret = check_result(outputTaps,filename);
if (ret < 0)
return ret;
// Test TX side
ret = ad9361_generate_fir_taps(&fdpTX, outputTaps, &num_taps, &gain);
if (ret < 0)
return ret;
sprintf(filename,"rateTX_%lu.taps",rates[k]);
ret = check_result(outputTaps,filename);
if (ret < 0)
return ret;
}
return 0;
}
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