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[SX128x] Add missing register write when setting SF (#1549)

pull/1557/head
jgromes 2025-07-01 19:55:51 +02:00
rodzic 5f73a87a3a
commit 32c3570ad3
1 zmienionych plików z 10 dodań i 1 usunięć
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11
src/modules/SX128x/SX128x.cpp
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@ -695,7 +695,7 @@ int16_t SX128x::setSpreadingFactor(uint8_t sf) {
int16_t state = setModulationParams(this->spreadingFactor, this->bandwidth, this->codingRateLoRa);
RADIOLIB_ASSERT(state);
// update mystery register in LoRa mode - SX1280 datasheet v3.0 section 13.4.1
// update mystery register in LoRa mode - SX1280 datasheet rev 3.2 section 14.4.1
if(modem == RADIOLIB_SX128X_PACKET_TYPE_LORA) {
uint8_t data = 0;
if((this->spreadingFactor == RADIOLIB_SX128X_LORA_SF_5) || (this->spreadingFactor == RADIOLIB_SX128X_LORA_SF_6)) {
@ -706,6 +706,15 @@ int16_t SX128x::setSpreadingFactor(uint8_t sf) {
data = 0x32;
}
state = SX128x::writeRegister(RADIOLIB_SX128X_REG_LORA_SF_CONFIG, &data, 1);
RADIOLIB_ASSERT(state);
// this register must also be updated for some reason
state = SX128x::readRegister(RADIOLIB_SX128X_REG_FREQ_ERROR_CORRECTION, &data, 1);
RADIOLIB_ASSERT(state);
data |= 0x01;
state = SX128x::writeRegister(RADIOLIB_SX128X_REG_FREQ_ERROR_CORRECTION, &data, 1);
RADIOLIB_ASSERT(state);
}
return(state);