diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2017-01-06 12:22:51 +0100 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2017-02-18 21:00:47 +0100 |
| commit | c5cf88ce575b4fb35628e30b3a5f2e246f060c8d (patch) | |
| tree | 7ec799cd074fa6740a50fa2b4c226570408cd4aa /src/amps/dsp.c | |
| parent | 9ff8c3bb25422e100801f90c17b9c21118920cfd (diff) | |
Prepare for SDR: Add bandwidth and deviation info to sender instance
Diffstat (limited to 'src/amps/dsp.c')
| -rw-r--r-- | src/amps/dsp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/amps/dsp.c b/src/amps/dsp.c index 776ec3b..4b7e08b 100644 --- a/src/amps/dsp.c +++ b/src/amps/dsp.c @@ -99,6 +99,7 @@ #define PI M_PI +#define BANDWIDTH 20000.0 /* maximum bandwidth */ #define FSK_DEVIATION 32767.0 /* +-8 KHz */ #define SAT_DEVIATION 8192.0 /* +-2 KHz */ #define COMPANDOR_0DB 45000 /* works quite well */ @@ -191,6 +192,10 @@ int dsp_init_sender(amps_t *amps, int high_pass, int tolerant) PDEBUG_CHAN(DDSP, DEBUG_DEBUG, "Init DSP for transceiver.\n"); + /* set deviation and modulation parameters */ + amps->sender.bandwidth = BANDWIDTH; + amps->sender.sample_deviation = 8000.0 / (double)FSK_DEVIATION; + if (amps->sender.samplerate < 96000) { PDEBUG(DDSP, DEBUG_ERROR, "Sample rate must be at least 96000 Hz to process FSK and SAT signals.\n"); return -EINVAL; |