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Add tx-gain option

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This commit is contained in:
Andreas Eversberg
2020-06-14 20:59:41 +02:00
parent 49c4793106
commit ed72e29dbb
31 changed files with 71 additions and 57 deletions
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10
src/libmobile/sender.c
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@@ -38,7 +38,7 @@ int cant_recover = 0;
int check_channel = 1;
/* Init transceiver instance and link to list of transceivers. */
int sender_create(sender_t *sender, const char *kanal, double sendefrequenz, double empfangsfrequenz, const char *audiodev, int use_sdr, int samplerate, double rx_gain, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, int loopback, enum paging_signal paging_signal)
int sender_create(sender_t *sender, const char *kanal, double sendefrequenz, double empfangsfrequenz, const char *audiodev, int use_sdr, int samplerate, double rx_gain, double tx_gain, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, const char *read_tx_wave, int loopback, enum paging_signal paging_signal)
{
sender_t *master, *slave;
int rc = 0;
@@ -49,6 +49,7 @@ int sender_create(sender_t *sender, const char *kanal, double sendefrequenz, dou
strncpy(sender->audiodev, audiodev, sizeof(sender->audiodev) - 1);
sender->samplerate = samplerate;
sender->rx_gain = rx_gain;
sender->tx_gain = tx_gain;
sender->pre_emphasis = pre_emphasis;
sender->de_emphasis = de_emphasis;
sender->loopback = loopback;
@@ -59,8 +60,10 @@ int sender_create(sender_t *sender, const char *kanal, double sendefrequenz, dou
sender->read_tx_wave = read_tx_wave;
/* no gain with SDR */
if (use_sdr)
if (use_sdr) {
sender->rx_gain = 1.0;
sender->tx_gain = 1.0;
}
if (samplerate < 8000) {
PDEBUG(DSENDER, DEBUG_NOTICE, "Given sample rate is below 8 KHz. Please use higher sample rate!\n");
@@ -378,6 +381,9 @@ cant_recover:
/* do pre emphasis towards radio */
if (inst->pre_emphasis)
pre_emphasis(&inst->estate, samples[i], count);
/* tx gain */
if (inst->tx_gain != 1.0)
gain_samples(samples[i], count, inst->tx_gain);
/* normal level to frequency deviation of speech level */
gain_samples(samples[i], count, inst->speech_deviation);
/* set paging signal */