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Merge branch 'BBB-dsp' of https://github.com/n5ac/smartsdr-dsp into BBB-dsp

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Merging Graham's debug changes with Ed's improvements.
This commit is contained in:
Graham Haddock 2015-01-30 11:26:13 -06:00
parent 5c7ea0183c c6a6c4fedd
commit 4efa220580
3 changed files with 16 additions and 9 deletions
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2
DSP_API/CODEC2_FREEDV/freedv_api.c
View file

@ -303,7 +303,7 @@ int freedv_rx(struct freedv *f, short speech_out[], short demod_in[]) {
nin_prev = f->nin;
fdmdv_demod(f->fdmdv, f->fdmdv_bits, &reliable_sync_bit, rx_fdm, &f->nin);
fdmdv_get_demod_stats(f->fdmdv, &f->fdmdv_stats);
f->reliable_sync_bit = reliable_sync_bit;
if (f->fdmdv_stats.sync) {
// printf("\033[97mIn sync. Pass demod_in to Codec, Codec to speech_out\n");
if (reliable_sync_bit == 0) {

2
DSP_API/CODEC2_FREEDV/freedv_api.h
View file

@ -65,6 +65,8 @@ struct freedv {
void *callback_state;
int reliable_sync_bit;
};
struct freedv *freedv_open(int mode);

15
DSP_API/SmartSDR_Interface/sched_waveform.c
View file

@ -247,7 +247,7 @@ static void* _sched_waveform_thread(void* param)
int i; // for loop counter
float fsample; // a float sample
// float Sig2Noise; // Signal to noise ratio
float Sig2Noise; // Signal to noise ratio
// Flags ...
int initial_tx = 1; // Flags for TX circular buffer, clear if starting transmit
@ -437,14 +437,19 @@ static void* _sched_waveform_thread(void* param)
nout = freedv_rx(_freedvS, speech_out, demod_in);
// if(nout != 320 ) {
// output("NOUT not 320 it is %d\nNIN was %d\n", nout, nin);
// }
if ( nout == nin && _freedvS->reliable_sync_bit ){
for( i=0 ; i < nout ; i++)
{
cbWriteShort(RX3_cb, speech_out[i]);
}
} else {
for ( i = 0; i < nin ; i ++ ) {
cbWriteShort(RX3_cb, demod_in[i]);
}
}
}
// } else {
// break; /* Break out of while loop */
@ -467,7 +472,7 @@ static void* _sched_waveform_thread(void* param)
{
cbWriteFloat(RX4_cb, float_out_24k[i]);
}
//Sig2Noise = (_freedvS->fdmdv_stats.snr_est);
Sig2Noise = (_freedvS->fdmdv_stats.snr_est);
}
// Check for >= 128 samples in RX4_cb. Form packet and