diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2016-04-23 18:50:11 +0200 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2016-04-24 15:14:56 +0200 |
| commit | 4356c93afa77734ce880651a2b0333378267e165 (patch) | |
| tree | 8ead169110de367bba3e009fff322574246763d2 /src/anetz | |
| parent | 5062628e52a1a4d60d4b76266c1cfdb42c529e87 (diff) | |
common: Add pre and de emphasis, if the radio does not support it
Connect to the oscillator of the transmitter - good girl!
You need to enable pre emphasis in this case.
Connect to the discriminator of the receiver - good boy!
You need to enable de emphasis in this case.
Diffstat (limited to 'src/anetz')
| -rw-r--r-- | src/anetz/anetz.c | 4 | ||||
| -rw-r--r-- | src/anetz/anetz.h | 2 | ||||
| -rw-r--r-- | src/anetz/main.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/src/anetz/anetz.c b/src/anetz/anetz.c index 0a9559f..f41a5ce 100644 --- a/src/anetz/anetz.c +++ b/src/anetz/anetz.c @@ -137,7 +137,7 @@ static void anetz_timeout(struct timer *timer); static void anetz_go_idle(anetz_t *anetz); /* Create transceiver instance and link to a list. */ -int anetz_create(const char *sounddev, int samplerate, const char *write_wave, const char *read_wave, int kanal, int loopback, double loss_volume) +int anetz_create(const char *sounddev, int samplerate, int pre_emphasis, int de_emphasis, const char *write_wave, const char *read_wave, int kanal, int loopback, double loss_volume) { anetz_t *anetz; int rc; @@ -156,7 +156,7 @@ int anetz_create(const char *sounddev, int samplerate, const char *write_wave, c PDEBUG(DANETZ, DEBUG_DEBUG, "Creating 'A-Netz' instance for 'Kanal' = %d (sample rate %d).\n", kanal, samplerate); /* init general part of transceiver */ - rc = sender_create(&anetz->sender, sounddev, samplerate, write_wave, read_wave, kanal, loopback, loss_volume, -1); + rc = sender_create(&anetz->sender, sounddev, samplerate, pre_emphasis, de_emphasis, write_wave, read_wave, kanal, loopback, loss_volume, -1); if (rc < 0) { PDEBUG(DANETZ, DEBUG_ERROR, "Failed to init 'Sender' processing!\n"); goto error; diff --git a/src/anetz/anetz.h b/src/anetz/anetz.h index a8a4382..01e1086 100644 --- a/src/anetz/anetz.h +++ b/src/anetz/anetz.h @@ -41,7 +41,7 @@ typedef struct anetz { double anetz_kanal2freq(int kanal, int unterband); int anetz_init(void); -int anetz_create(const char *sounddev, int samplerate, const char *write_wave, const char *read_wave, int kanal, int loopback, double loss_volume); +int anetz_create(const char *sounddev, int samplerate, int pre_emphasis, int de_emphasis, const char *write_wave, const char *read_wave, int kanal, int loopback, double loss_volume); void anetz_destroy(sender_t *sender); void anetz_loss_indication(anetz_t *anetz); void anetz_receive_tone(anetz_t *anetz, int bit); diff --git a/src/anetz/main.c b/src/anetz/main.c index fce3df5..790a21d 100644 --- a/src/anetz/main.c +++ b/src/anetz/main.c @@ -142,7 +142,7 @@ int main(int argc, char *argv[]) } /* create transceiver instance */ - rc = anetz_create(sounddev, samplerate, write_wave, read_wave, kanal, loopback, lossdetect / 100.0); + rc = anetz_create(sounddev, samplerate, do_pre_emphasis, do_de_emphasis, write_wave, read_wave, kanal, loopback, lossdetect / 100.0); if (rc < 0) { fprintf(stderr, "Failed to create \"Sender\" instance. Quitting!\n"); goto fail; |