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andrew-moroz/sx126x-rx-boosted-gain: Add method to support SX126x Rx Boosted Gain mode

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Andrew Moroz 2023-01-16 00:14:54 -05:00
parent eaaac36f28
commit 35ed685c8a
3 changed files with 30 additions and 0 deletions
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1
keywords.txt
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@ -194,6 +194,7 @@ setRegulatorDCDC KEYWORD2
getCurrentLimit KEYWORD2
getIrqStatus KEYWORD2
getLastError KEYWORD2
setRxBoostedGainMode KEYWORD2
# nRF24
setIrqAction KEYWORD2

20
src/modules/SX126x/SX126x.cpp
View file

@ -870,6 +870,26 @@ int16_t SX126x::setRxBandwidth(float rxBw) {
return(setModulationParamsFSK(_br, _pulseShape, _rxBw, _freqDev));
}
int16_t SX126x::setRxBoostedGainMode(bool rxbgm) {
// read the current register value
uint8_t rxGain = 0;
int16_t state = readRegister(RADIOLIB_SX126X_REG_RX_GAIN, &rxGain, 1);
RADIOLIB_ASSERT(state);
// gain mode register value (SX1261/2 datasheet v2.1 section 9.6)
if(rxbgm) {
rxGain = 0x96; // Rx Boosted Gain
} else {
rxGain = 0x94; // Rx Power Saving Gain
}
// update RX gain setting register
state = writeRegister(RADIOLIB_SX126X_REG_RX_GAIN, &rxGain, 1);
RADIOLIB_ASSERT(state);
return(state);
}
int16_t SX126x::setDataShaping(uint8_t sh) {
// check active modem
if(getPacketType() != RADIOLIB_SX126X_PACKET_TYPE_GFSK) {

9
src/modules/SX126x/SX126x.h
View file

@ -708,6 +708,15 @@ class SX126x: public PhysicalLayer {
*/
int16_t setRxBandwidth(float rxBw);
/*!
\brief Enables or disables Rx Boosted Gain mode as described in SX126x datasheet section 9.6 (SX1261/2 v2.1, SX1268 v1.1)
\param rxbgm True for Rx Boosted Gain, false for Rx Power Saving Gain
\returns \ref status_codes
*/
int16_t setRxBoostedGainMode(bool rxbgm);
/*!
\brief Sets time-bandwidth product of Gaussian filter applied for shaping.
Allowed values are RADIOLIB_SHAPING_0_3, RADIOLIB_SHAPING_0_5, RADIOLIB_SHAPING_0_7 or RADIOLIB_SHAPING_1_0.