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[SX127x] Simplify receive timeout duration (5x ToA instead of 100 symbols)

pull/1592/head
jgromes 2025-09-07 14:22:15 +02:00
rodzic 8f1afaeaaf
commit 9c0f1b8c7d
1 zmienionych plików z 7 dodań i 20 usunięć
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27
src/modules/SX127x/SX127x.cpp
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@ -220,27 +220,14 @@ int16_t SX127x::receive(uint8_t* data, size_t len, RadioLibTime_t timeout) {
RadioLibTime_t timeoutInternal = timeout;
uint32_t timeoutValue = 0;
if(!timeoutInternal) {
// get currently active modem
uint8_t modem = getActiveModem();
if(modem == RADIOLIB_SX127X_LORA) {
// calculate timeout (100 LoRa symbols, the default for SX127x series)
timeoutValue = 100;
float symbolLength = (float)(uint32_t(1) << this->spreadingFactor) / (float) this->bandwidth;
timeoutInternal = (RadioLibTime_t)(symbolLength * (float)timeoutValue);
} else if(modem == RADIOLIB_SX127X_FSK_OOK) {
// calculate timeout in ms (500 % of expected time-on-air)
size_t maxLen = len;
if(len == 0) { maxLen = RADIOLIB_SX127X_MAX_PACKET_LENGTH_FSK; }
timeoutInternal = (getTimeOnAir(maxLen) * 5) / 1000;
// calculate timeout (500 % of expected time-one-air)
size_t maxLen = len;
if(len == 0) { maxLen = RADIOLIB_SX127X_MAX_PACKET_LENGTH; }
timeoutInternal = (getTimeOnAir(maxLen) * 5) / 1000;
// FSK modem does not distinguish Rx single and continuous mode
timeoutValue = 0;
} else {
return(RADIOLIB_ERR_UNKNOWN);
}
// convert to symbols
float symbolLength = (float)(uint32_t(1) << this->spreadingFactor) / (float) this->bandwidth;
timeoutValue = (float)timeoutInternal / symbolLength;
}
RADIOLIB_DEBUG_BASIC_PRINTLN("Timeout in %lu ms", timeoutInternal);