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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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4
src/common/sdr.h
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@@ -1,8 +1,8 @@
int sdr_init(const char *device_args, double rx_gain, double tx_gain);
void *sdr_open(const char *audiodev, double *tx_frequency, double *rx_frequency, int channels, int samplerate, double bandwidth, double sample_deviation);
void *sdr_open(const char *audiodev, double *tx_frequency, double *rx_frequency, int channels, double paging_frequency, int samplerate, double bandwidth, double sample_deviation);
void sdr_close(void *inst);
int sdr_write(void *inst, int16_t **samples, int num, int channels);
int sdr_write(void *inst, int16_t **samples, int num, enum paging_signal *paging_signal, int *on, int channels);
int sdr_read(void *inst, int16_t **samples, int num, int channels);
int sdr_get_inbuffer(void *inst);