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B-Netz: Add metering pulse support (Gebuehrenimpuls)

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This commit is contained in:
Andreas Eversberg
2017-08-12 16:38:40 +02:00
parent 275be50225
commit 41bd9999b1
4 changed files with 100 additions and 18 deletions
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8
src/bnetz/bnetz.h
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@@ -5,6 +5,7 @@
enum dsp_mode {
DSP_MODE_SILENCE, /* sending silence */
DSP_MODE_AUDIO, /* stream audio */
DSP_MODE_AUDIO_METER, /* stream audio */
DSP_MODE_0, /* send tone 0 */
DSP_MODE_1, /* send tone 1 */
DSP_MODE_TELEGRAMM, /* send "Telegramm" */
@@ -52,6 +53,7 @@ typedef struct bnetz {
/* system info */
int gfs; /* 'Gruppenfreisignal' */
int metering; /* use metering pulses in seconds 0 = off, < 0 = force */
/* switch sender to channel 19 */
char paging_file[256]; /* if set, write to given file to switch to channel 19 or back */
@@ -82,13 +84,13 @@ typedef struct bnetz {
int rx_telegramm_qualidx; /* index of quality array above */
int tone_detected; /* what tone has been detected */
int tone_count; /* how long has that tone been detected */
double phaseshift65536[2]; /* how much the phase of sine wave changes per sample */
double phase65536; /* current phase */
const char *tx_telegramm; /* carries bits of one frame to transmit */
int tx_telegramm_pos;
int samples_per_chunk; /* samples per loss detection interval */
sample_t *chunk_spl; /* chunk sample */
int chunk_pos; /* current received sample of chunk */
double meter_phaseshift65536; /* how much the phase of sine wave changes per sample */
double meter_phase65536; /* current phase */
/* loopback test for latency */
int loopback_count; /* count digits from 0 to 9 */
@@ -97,7 +99,7 @@ typedef struct bnetz {
double bnetz_kanal2freq(int kanal, int unterband);
int bnetz_init(void);
int bnetz_create(int kanal, const char *audiodev, int use_sdr, 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, const char *read_tx_wave, int loopback, double loss_factor, const char *paging);
int bnetz_create(int kanal, const char *audiodev, int use_sdr, 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, const char *read_tx_wave, int loopback, double loss_factor, const char *paging, int metering);
void bnetz_destroy(sender_t *sender);
void bnetz_loss_indication(bnetz_t *bnetz);
void bnetz_receive_tone(bnetz_t *bnetz, int bit);