williamp/osmocom-analog
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prepare audio handling for multi carrier SDR

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This commit is contained in:
Andreas Eversberg
2017-01-03 12:31:59 +01:00
parent 713b1ab118
commit d54d3ac265
23 changed files with 131 additions and 176 deletions
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4
src/cnetz/cnetz.c
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@@ -215,7 +215,7 @@ int cnetz_init(void)
static void cnetz_go_idle(cnetz_t *cnetz);
/* Create transceiver instance and link to a list. */
int cnetz_create(int kanal, enum cnetz_chan_type chan_type, const char *sounddev, int samplerate, int cross_channels, double rx_gain, int auth, int ms_power, int measure_speed, double clock_speed[2], int polarity, double noise, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, int loopback)
int cnetz_create(int kanal, enum cnetz_chan_type chan_type, const char *sounddev, int samplerate, double rx_gain, int auth, int ms_power, int measure_speed, double clock_speed[2], int polarity, double noise, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, int loopback)
{
sender_t *sender;
cnetz_t *cnetz;
@@ -274,7 +274,7 @@ int cnetz_create(int kanal, enum cnetz_chan_type chan_type, const char *sounddev
/* init general part of transceiver */
/* do not enable emphasis, since it is done by cnetz code, not by common sender code */
rc = sender_create(&cnetz->sender, kanal, sounddev, samplerate, cross_channels, rx_gain, 0, 0, write_rx_wave, write_tx_wave, read_rx_wave, loopback, 0, PILOT_SIGNAL_NONE);
rc = sender_create(&cnetz->sender, kanal, sounddev, samplerate, rx_gain, 0, 0, write_rx_wave, write_tx_wave, read_rx_wave, loopback, 0, PILOT_SIGNAL_NONE);
if (rc < 0) {
PDEBUG(DCNETZ, DEBUG_ERROR, "Failed to init transceiver process!\n");
goto error;

2
src/cnetz/cnetz.h
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@@ -123,7 +123,7 @@ int cnetz_channel_by_short_name(const char *short_name);
const char *chan_type_short_name(enum cnetz_chan_type chan_type);
const char *chan_type_long_name(enum cnetz_chan_type chan_type);
int cnetz_init(void);
int cnetz_create(int kanal, enum cnetz_chan_type chan_type, const char *sounddev, int samplerate, int cross_channels, double rx_gain, int auth, int ms_power, int measure_speed, double clock_speed[2], int polarity, double noise, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, int loopback);
int cnetz_create(int kanal, enum cnetz_chan_type chan_type, const char *sounddev, int samplerate, double rx_gain, int auth, int ms_power, int measure_speed, double clock_speed[2], int polarity, double noise, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, int loopback);
void cnetz_destroy(sender_t *sender);
void cnetz_sync_frame(cnetz_t *cnetz, double sync, int ts);
int cnetz_meldeaufruf(uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest);

5
src/cnetz/dsp.c
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@@ -610,12 +610,11 @@ again:
/* measure actual signal speed */
calc_clock_speed(cnetz, cnetz->sender.samplerate * 24 / 10, 1, 1);
/* sync TX (might not be required, if there is no error in math calculation) */
if (cnetz->sender.slave) {
if (!cnetz->sender.master) { /* if no link to a master, we are master */
/* we are master, so we store sample count and phase */
cnetz->frame_last_scount = cnetz->fsk_tx_scount;
cnetz->frame_last_phase = cnetz->fsk_tx_phase;
}
if (cnetz->sender.master) {
} else {
/* we are slave, so we sync to phase */
cnetz_t *master = (cnetz_t *)cnetz->sender.master;
/* it may happen that the sample count does not match with the master,

2
src/cnetz/main.c
View File

@@ -302,7 +302,7 @@ int main(int argc, char *argv[])
/* create transceiver instance */
for (i = 0; i < num_kanal; i++) {
rc = cnetz_create(kanal[i], chan_type[i], sounddev[i], samplerate, cross_channels, rx_gain, auth, ms_power, (i == 0) ? measure_speed : 0, clock_speed, polarity, noise, do_pre_emphasis, do_de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, loopback);
rc = cnetz_create(kanal[i], chan_type[i], sounddev[i], samplerate, rx_gain, auth, ms_power, (i == 0) ? measure_speed : 0, clock_speed, polarity, noise, do_pre_emphasis, do_de_emphasis, write_rx_wave, write_tx_wave, read_rx_wave, loopback);
if (rc < 0) {
fprintf(stderr, "Failed to create \"Sender\" instance. Quitting!\n");
goto fail;