Adjust squelch level and rampup
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@ -163,14 +163,14 @@ static enum squelch_state_t update_and_check_squelch(layer1_rx_t *rx, unsigned i
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if(level < rx->noise_floor_level) {
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if(level < rx->noise_floor_level) {
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rx->noise_floor_level = level;
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rx->noise_floor_level = level;
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} else {
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} else {
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level += 1e-3; // slowly increase the measured noise floor level to compensate for drift
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level += 1e-4f; // slowly increase the measured noise floor level to compensate for drift
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}
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}
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agc_crcf_squelch_set_threshold(rx->agc, rx->noise_floor_level + 3.0f); // in dB
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agc_crcf_squelch_set_threshold(rx->agc, rx->noise_floor_level + 10.0f); // in dB
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}
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}
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switch(agc_crcf_squelch_get_status(rx->agc)) {
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switch(agc_crcf_squelch_get_status(rx->agc)) {
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case LIQUID_AGC_SQUELCH_RISE:
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case LIQUID_AGC_SQUELCH_RISE:
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DEBUG_LOG("Squelch disabled at RSSI = %.3f dB\n", level);
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DEBUG_LOG("Squelch disabled at #%u RSSI = %.3f dB [thr: %.3f dB]\n", sample_idx, level, agc_crcf_squelch_get_threshold(rx->agc));
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result = SQUELCH_JUST_OPENED;
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result = SQUELCH_JUST_OPENED;
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break;
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break;
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@ -179,7 +179,8 @@ static enum squelch_state_t update_and_check_squelch(layer1_rx_t *rx, unsigned i
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break;
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break;
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case LIQUID_AGC_SQUELCH_FALL:
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case LIQUID_AGC_SQUELCH_FALL:
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DEBUG_LOG("Squelch enabled at RSSI = %.3f dB\n", level);
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DEBUG_LOG("Squelch enabled at #%u RSSI = %.3f dB [thr: %.3f dB]\n", sample_idx, level, agc_crcf_squelch_get_threshold(rx->agc));
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// fall through
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case LIQUID_AGC_SQUELCH_SIGNALLO:
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case LIQUID_AGC_SQUELCH_SIGNALLO:
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case LIQUID_AGC_SQUELCH_ENABLED:
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case LIQUID_AGC_SQUELCH_ENABLED:
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case LIQUID_AGC_SQUELCH_TIMEOUT:
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case LIQUID_AGC_SQUELCH_TIMEOUT:
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