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Neu structure for the paging process (B-Netz)

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Paging tones are not created within sound_alsa.c
The audio API is now responsible to switch to paging channel.
In case of SDR, the sdr.c will switch frequency offset.
This commit is contained in:
Andreas Eversberg
2017-01-07 10:33:13 +01:00
parent 57993e3e48
commit 8b9277615d
15 changed files with 238 additions and 197 deletions
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10
src/bnetz/bnetz.h
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@@ -53,10 +53,10 @@ typedef struct bnetz {
int gfs; /* 'Gruppenfreisignal' */
/* switch sender to channel 19 */
char pilot_file[256]; /* if set, write to given file to switch to channel 19 or back */
char pilot_on[256]; /* what to write to switch to channel 19 */
char pilot_off[256]; /* what to write to switch back */
int pilot_is_on; /* set, if we are on channel 19. also used to switch back on exit */
char paging_file[256]; /* if set, write to given file to switch to channel 19 or back */
char paging_on[256]; /* what to write to switch to channel 19 */
char paging_off[256]; /* what to write to switch back */
int paging_is_on; /* set, if we are on channel 19. also used to switch back on exit */
/* all bnetz states */
enum bnetz_state state; /* main state of sender */
@@ -100,7 +100,7 @@ typedef struct bnetz {
double bnetz_kanal2freq(int kanal, int unterband);
int bnetz_init(void);
int bnetz_create(int kanal, const char *audiodev, int samplerate, double rx_gain, int gfs, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, int loopback, double loss_factor, const char *pilot);
int bnetz_create(int kanal, const char *audiodev, int samplerate, double rx_gain, int gfs, int pre_emphasis, int de_emphasis, const char *write_rx_wave, const char *write_tx_wave, const char *read_rx_wave, int loopback, double loss_factor, const char *paging);
void bnetz_destroy(sender_t *sender);
void bnetz_loss_indication(bnetz_t *bnetz);
void bnetz_receive_tone(bnetz_t *bnetz, int bit);