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move RadioLibWrapper noise_floor level message under special debug flag #3166

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Merged
liamcottle merged 1 commit into from
Aug 10, 2026
+6 −4
Merged

move RadioLibWrapper noise_floor level message under special debug flag #3166

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10 changes: 6 additions & 4 deletions src/helpers/radiolib/RadioLibWrappers.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ static volatile uint8_t state = STATE_IDLE;

// this function is called when a complete packet
// is transmitted by the module
static
static
#if defined(ESP8266) || defined(ESP32)
ICACHE_RAM_ATTR
#endif
Expand Down Expand Up @@ -100,7 +100,9 @@ void RadioLibWrapper::loop() {
}
_floor_sample_sum = 0;

#ifdef MESH_DEBUG_NOISE_FLOOR
MESH_DEBUG_PRINTLN("RadioLibWrapper: noise_floor = %d", (int)_noise_floor);
#endif
}
}

Expand Down Expand Up @@ -224,10 +226,10 @@ static float snr_threshold[] = {
-17.5,// SF11 needs at least -17.5 dB SNR
-20 // SF12 needs at least -20 dB SNR
};

float RadioLibWrapper::packetScoreInt(float snr, int sf, int packet_len) {
if (sf < 7) return 0.0f;

if (snr < snr_threshold[sf - 7]) return 0.0f; // Below threshold, no chance of success

auto success_rate_based_on_snr = (snr - snr_threshold[sf - 7]) / 10.0;
Expand All @@ -243,7 +245,7 @@ PacketMillis RadioLibWrapper::calcMaxPacketMillis(uint8_t sf, float bw, uint8_t

// preamble + syncword + sfd + header
uint32_t preamble_us = (((preambleSymbols + 8) * 4 + sfCoeff1_x4) * tsym_us) / 4;

// airtime for max packet at current radio settings
uint32_t total_us = _radio->getTimeOnAir(MAX_TRANS_UNIT);
// airtime for payload only (no preamble, header or SOF)
Expand Down
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