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Generic SDR support

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This commit is contained in:
Andreas Eversberg
2017-01-04 14:21:49 +01:00
parent c5cf88ce57
commit b30b61282c
9 changed files with 371 additions and 2 deletions
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40
src/common/main_common.c
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@@ -32,6 +32,9 @@
#include "sender.h"
#include "timer.h"
#include "call.h"
#ifdef HAVE_SDR
#include "sdr.h"
#endif
/* common settings */
int num_kanal = 0;
@@ -54,6 +57,8 @@ int rt_prio = 0;
const char *write_rx_wave = NULL;
const char *write_tx_wave = NULL;
const char *read_rx_wave = NULL;
static const char *sdr_args = "";
double sdr_rx_gain = 0, sdr_tx_gain = 0;
void print_help_common(const char *arg0, const char *ext_usage)
{
@@ -70,8 +75,9 @@ void print_help_common(const char *arg0, const char *ext_usage)
printf(" -k --kanal <channel>\n");
printf(" -k --channel <channel>\n");
printf(" Channel (German = Kanal) number of \"Sender\" (German = Transceiver)\n");
printf(" -a --audio-device hw:<card>,<device>\n");
printf(" Sound card and device number (default = '%s')\n", sounddev[0]);
printf(" -a --audio-device hw:<card>,<device> | sdr\n");
printf(" Sound card and device number (default = '%s')\n", audiodev[0]);
printf(" SDR device, if supported\n");
printf(" -s --samplerate <rate>\n");
printf(" Sample rate of sound device (default = '%d')\n", samplerate);
printf(" -i --interval 1..25\n");
@@ -109,6 +115,14 @@ void print_help_common(const char *arg0, const char *ext_usage)
printf(" Write transmitted audio to given wav audio file.\n");
printf(" --read-rx-wave <file>\n");
printf(" Replace received audio by given wav audio file.\n");
#ifdef HAVE_SDR
printf(" --sdr-args <args>\n");
printf(" Optional SDR device arguments\n");
printf(" --sdr-rx-gain <gain>\n");
printf(" SDR device's RX gain in dB (default = %.1f)\n", sdr_rx_gain);
printf(" --sdr-tx-gain <gain>\n");
printf(" SDR device's TX gain in dB (default = %.1f)\n", sdr_tx_gain);
#endif
}
void print_hotkeys_common(void)
@@ -123,6 +137,9 @@ void print_hotkeys_common(void)
#define OPT_WRITE_RX_WAVE 1001
#define OPT_WRITE_TX_WAVE 1002
#define OPT_READ_RX_WAVE 1003
#define OPT_SDR_ARGS 1004
#define OPT_SDR_RX_GAIN 1005
#define OPT_SDR_TX_GAIN 1006
static struct option long_options_common[] = {
{"help", 0, 0, 'h'},
@@ -144,6 +161,9 @@ static struct option long_options_common[] = {
{"write-rx-wave", 1, 0, OPT_WRITE_RX_WAVE},
{"write-tx-wave", 1, 0, OPT_WRITE_TX_WAVE},
{"read-rx-wave", 1, 0, OPT_READ_RX_WAVE},
{"sdr-args", 1, 0, OPT_SDR_ARGS},
{"sdr-rx-gain", 1, 0, OPT_SDR_RX_GAIN},
{"sdr-tx-gain", 1, 0, OPT_SDR_TX_GAIN},
{0, 0, 0, 0}
};
@@ -283,6 +303,18 @@ void opt_switch_common(int c, char *arg0, int *skip_args)
read_rx_wave = strdup(optarg);
*skip_args += 2;
break;
case OPT_SDR_ARGS:
sdr_args = strdup(optarg);
*skip_args += 2;
break;
case OPT_SDR_RX_GAIN:
sdr_rx_gain = atof(optarg);
*skip_args += 2;
break;
case OPT_SDR_TX_GAIN:
sdr_tx_gain = atof(optarg);
*skip_args += 2;
break;
default:
exit (0);
}
@@ -330,6 +362,10 @@ void main_common(int *quit, int latency, int interval, void (*myhandler)(void))
struct termios term, term_orig;
int c;
#ifdef HAVE_SDR
if (sdr_init(sdr_args, sdr_rx_gain, sdr_tx_gain))
return;
#endif
/* open audio */
if (sender_open_audio())