int main(int argc, char *argv[]) {
SystemInit();
gpio_init();
machdep_profile_init ();
adc_open(4*DAC_BUF_SZ);
dac_open(4*DAC_BUF_SZ);
printf("Starting power_ut\n");
c2speedtest(CODEC2_MODE_1600, "stm_in.raw");
printf("Finished\n");
return 0;
}
int main(int argc, char *argv[]) {
struct freedv *f;
short inbuf[FREEDV_NSAMPLES], outbuf[FREEDV_NSAMPLES];
FILE *fin, *fout;
int frame;
PROFILE_VAR(freedv_start);
machdep_profile_init();
f = freedv_open(FREEDV_MODE_1600);
// Transmit ---------------------------------------------------------------------
fin = fopen("stm_in.raw", "rb");
if (fin == NULL) {
printf("Error opening input file\n");
exit(1);
}
fout = fopen("mod.raw", "wb");
if (fout == NULL) {
printf("Error opening output file\n");
exit(1);
}
frame = 0;
while (fread(inbuf, sizeof(short), FREEDV_NSAMPLES, fin) == FREEDV_NSAMPLES) {
PROFILE_SAMPLE(freedv_start);
freedv_tx(f, outbuf, inbuf);
PROFILE_SAMPLE_AND_LOG2(freedv_start, " freedv_tx");
fwrite(outbuf, sizeof(short), FREEDV_NSAMPLES, fout);
printf("frame: %d\n", ++frame);
machdep_profile_print_logged_samples();
}
fclose(fin);
fclose(fout);
return 0;
}
int main(int argc, char *argv[]) {
gpio_init();
machdep_profile_init ();
printf("Starting c2demo\n");
/* File I/O test for profiling or (with #define DUMP)
dumping states for optimisation and tiuning */
c2demo(CODEC2_MODE_1600, "stm_in.raw", "stm_out.raw");
printf("Starting c2 speed test\n");
/* Another test of execution speed. Look at PD13 with a
oscilliscope. On time is enc, off is dec */
c2speedtest(CODEC2_MODE_1600, "stm_in.raw");
printf("Finished\n");
return 0;
}
int main(int argc, char *argv[]) {
struct freedv *f;
short adc16k[FDMDV_OS_TAPS_16K+FREEDV_NSAMPLES_16K];
short dac16k[FREEDV_NSAMPLES_16K];
short adc8k[FREEDV_NSAMPLES];
short dac8k[FDMDV_OS_TAPS_8K+FREEDV_NSAMPLES];
FILE *fin, *fout, *ftotal;
int frame, nin_16k, nin, i, nout = 0;
struct FDMDV_STATS stats;
PROFILE_VAR(fdmdv_16_to_8_start, freedv_rx_start, fdmdv_8_to_16_start);
machdep_profile_init();
f = freedv_open(FREEDV_MODE_1600);
// Receive ---------------------------------------------------------------------
frame = 0;
fin = fopen("mod_16k.raw", "rb");
if (fin == NULL) {
printf("Error opening input file\n");
exit(1);
}
fout = fopen("speechout_16k.raw", "wb");
if (fout == NULL) {
printf("Error opening output file\n");
exit(1);
}
ftotal = fopen("total.txt", "wt");
assert(ftotal != NULL);
/* clear filter memories */
for(i=0; i<FDMDV_OS_TAPS_16K; i++)
adc16k[i] = 0.0;
for(i=0; i<FDMDV_OS_TAPS_8K; i++)
dac8k[i] = 0.0;
nin = freedv_nin(f);
nin_16k = 2*nin;
nout = nin;
while (fread(&adc16k[FDMDV_OS_TAPS_16K], sizeof(short), nin_16k, fin) == nin_16k) {
PROFILE_SAMPLE(fdmdv_16_to_8_start);
fdmdv_16_to_8_short(adc8k, &adc16k[FDMDV_OS_TAPS_16K], nin);
PROFILE_SAMPLE_AND_LOG(freedv_rx_start, fdmdv_16_to_8_start, " fdmdv_16_to_8");
nout = freedv_rx(f, &dac8k[FDMDV_OS_TAPS_8K], adc8k);
nin = freedv_nin(f); nin_16k = 2*nin;
fdmdv_get_demod_stats(f->fdmdv, &stats);
PROFILE_SAMPLE_AND_LOG(fdmdv_8_to_16_start, freedv_rx_start, " freedv_rx");
fdmdv_8_to_16_short(dac16k, &dac8k[FDMDV_OS_TAPS_8K], nout);
PROFILE_SAMPLE_AND_LOG2(fdmdv_8_to_16_start, " fdmdv_8_to_16");
fprintf(ftotal, "%d\n", machdep_profile_sample() - fdmdv_16_to_8_start);
machdep_profile_print_logged_samples();
fwrite(dac16k, sizeof(short), 2*nout, fout);
fdmdv_get_demod_stats(f->fdmdv, &stats);
printf("frame: %d nin_16k: %d sync: %d SNR: %3.2f \n",
++frame, nin_16k, stats.sync, (double)stats.snr_est);
}
fclose(fin);
fclose(fout);
fclose(ftotal);
return 0;
}