diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2019-01-02 15:58:34 +0100 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2019-01-02 15:58:34 +0100 |
| commit | 1321f664565716679a2e73a5cd191c03029f7690 (patch) | |
| tree | 87ec72f504e01f464716c2e6867bb00cd74e839b /src/cnetz/dsp.c | |
| parent | f1292a985bf8f19d9538e6337c229db1b463a547 (diff) | |
C-Netz: Add option to control voice deviation
Diffstat (limited to 'src/cnetz/dsp.c')
| -rw-r--r-- | src/cnetz/dsp.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/cnetz/dsp.c b/src/cnetz/dsp.c index f05c883..1ecd67b 100644 --- a/src/cnetz/dsp.c +++ b/src/cnetz/dsp.c @@ -42,8 +42,7 @@ #define MAX_DEVIATION 4000.0 #define MAX_MODULATION 3000.0 -#define DBM0_DEVIATION 4000.0 /* deviation of dBm0 at 1 kHz */ -#define FSK_DEVIATION (2500.0 / DBM0_DEVIATION) /* no emphasis */ +#define FSK_DEVIATION (2500.0 / dbm0_deviation) /* no emphasis */ #define MAX_DISPLAY 1.4 /* something above dBm0, no emphasis */ #define BITRATE 5280.0 /* bits per second */ #define BLOCK_BITS 198 /* duration of one time slot including pause at beginning and end */ @@ -81,7 +80,7 @@ static void dsp_init_ramp(cnetz_t *cnetz) } /* Init transceiver instance. */ -int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], enum demod_type demod) +int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], enum demod_type demod, double dbm0_deviation) { int rc = 0; double size; @@ -90,7 +89,7 @@ int dsp_init_sender(cnetz_t *cnetz, int measure_speed, double clock_speed[2], en PDEBUG_CHAN(DDSP, DEBUG_DEBUG, "Init FSK for 'Sender'.\n"); /* set modulation parameters */ - sender_set_fm(&cnetz->sender, MAX_DEVIATION, MAX_MODULATION, DBM0_DEVIATION, MAX_DISPLAY); + sender_set_fm(&cnetz->sender, MAX_DEVIATION, MAX_MODULATION, dbm0_deviation, MAX_DISPLAY); if (measure_speed) { cnetz->measure_speed = measure_speed; |