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.
This commit is contained in:
Andreas Eversberg
2016-04-23 18:50:11 +02:00
parent 5062628e52
commit 4356c93afa
20 changed files with 256 additions and 19 deletions

View File

@@ -90,7 +90,7 @@ typedef struct bnetz {
double bnetz_kanal2freq(int kanal, int unterband);
int bnetz_init(void);
int bnetz_create(const char *sounddev, int samplerate, const char *write_wave, const char *read_wave, int kanal, int gfs, int loopback, double loss_volume, const char *pilot);
int bnetz_create(const char *sounddev, int samplerate, int pre_emphasis, int de_emphasis, const char *write_wave, const char *read_wave, int kanal, int gfs, int loopback, double loss_volume, const char *pilot);
void bnetz_destroy(sender_t *sender);
void bnetz_loss_indication(bnetz_t *bnetz);
void bnetz_receive_tone(bnetz_t *bnetz, int bit);