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Fix frequency issue on SX127x (#1368)

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This commit is contained in:
crispyalice2 2025-01-03 10:55:40 -06:00
parent bd4ede2fb7
commit aa981612c2
1 changed files with 7 additions and 1 deletions
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8
src/modules/SX127x/SX127x.cpp
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@ -1204,7 +1204,13 @@ int16_t SX127x::setFrequencyRaw(float newFreq) {
// write registers
state |= this->mod->SPIsetRegValue(RADIOLIB_SX127X_REG_FRF_MSB, (FRF & 0xFF0000) >> 16);
state |= this->mod->SPIsetRegValue(RADIOLIB_SX127X_REG_FRF_MID, (FRF & 0x00FF00) >> 8);
state |= this->mod->SPIsetRegValue(RADIOLIB_SX127X_REG_FRF_LSB, FRF & 0x0000FF);
// lsb needs to be written no matter what in order for the module to update the frequency
if(this->mod->SPIgetRegValue(RADIOLIB_SX127X_REG_FRF_LSB) == (FRF & 0x0000FF)) {
this->mod->SPIwriteRegister(RADIOLIB_SX127X_REG_FRF_LSB, FRF & 0x0000FF);
} else {
state |= this->mod->SPIsetRegValue(RADIOLIB_SX127X_REG_FRF_LSB, FRF & 0x0000FF);
}
return(state);
}