osmocom-analog/src/libsdr/sdr.h


enum paging_signal;

int sdr_start(void *inst);
void *sdr_open(const char *audiodev, double *tx_frequency, double *rx_frequency, int *am, int channels, double paging_frequency, int samplerate, int buffer_size, double interval, double max_deviation, double max_modulation, double modulation_index);
void sdr_close(void *inst);
int sdr_write(void *inst, sample_t **samples, uint8_t **power, int num, enum paging_signal *paging_signal, int *on, int channels);
int sdr_read(void *inst, sample_t **samples, int num, int channels, double *rf_level_db);
int sdr_get_tosend(void *inst, int buffer_size);
void calibrate_bias(void);
Generic SDR support 2017-01-04 13:21:49 +00:00
Make sound card support (Alsa) optional 2018-01-21 09:43:45 +00:00			`enum paging_signal;`

Start streaming of sound/SDR just before main loop This prevents buffer overflow during init/creation processes 2017-02-25 06:09:53 +00:00			`int sdr_start(void *inst);`
Refactor global variables for signal processing These are: device, sample rate, buffer, latency Called now: dsp_device, dsp_samplerate, dsp_buffer, dsp_latency Call audio device: call_device, call_samplerate, call_buffer 2021-09-18 09:43:01 +00:00			`void sdr_open(const char audiodev, double tx_frequency, double rx_frequency, int *am, int channels, double paging_frequency, int samplerate, int buffer_size, double interval, double max_deviation, double max_modulation, double modulation_index);`
Generic SDR support 2017-01-04 13:21:49 +00:00			`void sdr_close(void *inst);`
SDR: Turn TX power off if requested by network The power level is ramped smoothly within 1 ms up or down. R2000, AMPS and C-Netz turn off power when voice channel is not i use. C-Netz turns off power between OgK timeslots. 2017-08-19 10:27:05 +00:00			`int sdr_write(void inst, sample_t samples, uint8_t power, int num, enum paging_signal paging_signal, int *on, int channels);`
Implementation of RX level squelch (for A-Netz and B-Netz) Use -S <dB> for setting RF level or use -S auto for auto level. When squelch closes, audio is muted. If squelch is closed for some seconds (depending on network), call is released. (RF loss condition) The previous loss detection has been removed 2017-10-09 18:49:14 +00:00			`int sdr_read(void inst, sample_t samples, int num, int channels, double rf_level_db);`
Refactor global variables for signal processing These are: device, sample rate, buffer, latency Called now: dsp_device, dsp_samplerate, dsp_buffer, dsp_latency Call audio device: call_device, call_samplerate, call_buffer 2021-09-18 09:43:01 +00:00			`int sdr_get_tosend(void *inst, int buffer_size);`
Improved audio (sdr) handling 2018-01-20 14:54:35 +00:00			`void calibrate_bias(void);`
Generic SDR support 2017-01-04 13:21:49 +00:00