diff options
Diffstat (limited to 'src/bnetz/dsp.c')
-rw-r--r-- | src/bnetz/dsp.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/bnetz/dsp.c b/src/bnetz/dsp.c index e8b4a2d..8d830be 100644 --- a/src/bnetz/dsp.c +++ b/src/bnetz/dsp.c @@ -112,6 +112,12 @@ int dsp_init_sender(bnetz_t *bnetz) bnetz->meter_phaseshift65536 = 65536.0 / ((double)bnetz->sender.samplerate / METERING_HZ); PDEBUG(DDSP, DEBUG_DEBUG, "dial_phaseshift = %.4f\n", bnetz->meter_phaseshift65536); + bnetz->dmp_tone_level = display_measurements_add(&bnetz->sender, "Tone Level", "%.1f %%", DISPLAY_MEAS_LAST, DISPLAY_MEAS_LEFT, 0.0, 150.0, 100.0); + bnetz->dmp_tone_quality = display_measurements_add(&bnetz->sender, "Tone Quality", "%.1f %%", DISPLAY_MEAS_LAST, DISPLAY_MEAS_LEFT, 0.0, 100.0, 100.0); + bnetz->dmp_frame_level = display_measurements_add(&bnetz->sender, "Frame Level", "%.1f %% (last)", DISPLAY_MEAS_LAST, DISPLAY_MEAS_LEFT, 0.0, 150.0, 100.0); + bnetz->dmp_frame_stddev = display_measurements_add(&bnetz->sender, "Frame Stddev", "%.1f %% (last)", DISPLAY_MEAS_LAST, DISPLAY_MEAS_LEFT, 0.0, 100.0, 100.0); + bnetz->dmp_frame_quality = display_measurements_add(&bnetz->sender, "Frame Quality", "%.1f %% (last)", DISPLAY_MEAS_LAST, DISPLAY_MEAS_LEFT, 0.0, 100.0, 100.0); + return 0; } @@ -161,13 +167,17 @@ static void fsk_receive_tone(bnetz_t *bnetz, int bit, int goodtone, double level /* Collect 16 data bits (digit) and check for sync mark '01110'. */ static void fsk_receive_bit(void *inst, int bit, double quality, double level) { - double level_avg, level_dev, quality_avg; + double level_avg, level_stddev, quality_avg; bnetz_t *bnetz = (bnetz_t *)inst; int i; /* normalize FSK level */ level /= TX_PEAK_FSK; + /* update measurements */ + display_measurements_update(bnetz->dmp_tone_level, level * 100.0 , 0.0); + display_measurements_update(bnetz->dmp_tone_quality, quality * 100.0, 0.0); + /* continuous tone detection */ if (level > 0.10 && quality > 0.10) { fsk_receive_tone(bnetz, bit, 1, level, quality); @@ -188,7 +198,7 @@ static void fsk_receive_bit(void *inst, int bit, double quality, double level) return; /* average level and quality */ - level_avg = level_dev = quality_avg = 0; + level_avg = level_stddev = quality_avg = 0; for (i = 0; i < 16; i++) { level_avg += bnetz->rx_telegramm_level[bnetz->rx_telegramm_qualidx]; quality_avg += bnetz->rx_telegramm_quality[bnetz->rx_telegramm_qualidx]; @@ -198,14 +208,19 @@ static void fsk_receive_bit(void *inst, int bit, double quality, double level) level_avg /= 16.0; quality_avg /= 16.0; for (i = 0; i < 16; i++) { level = bnetz->rx_telegramm_level[bnetz->rx_telegramm_qualidx]; - level_dev += (level - level_avg) * (level - level_avg); + level_stddev += (level - level_avg) * (level - level_avg); if (++bnetz->rx_telegramm_qualidx == 16) bnetz->rx_telegramm_qualidx = 0; } - level_dev = sqrt(level_dev / 16.0); + level_stddev = sqrt(level_stddev / 16.0); + + /* update measurements */ + display_measurements_update(bnetz->dmp_frame_level, level_avg * 100.0 , 0.0); + display_measurements_update(bnetz->dmp_frame_stddev, level_stddev / level_avg * 100.0, 0.0); + display_measurements_update(bnetz->dmp_frame_quality, quality_avg * 100.0, 0.0); - /* send telegramm */ - bnetz_receive_telegramm(bnetz, bnetz->rx_telegramm, level_avg, level_dev, quality_avg); + /* receive telegramm */ + bnetz_receive_telegramm(bnetz, bnetz->rx_telegramm, level_avg, level_stddev, quality_avg); } /* Process received audio stream from radio unit. */ |