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SX1262.cpp
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#include "SX1262.h"
#if !defined(RADIOLIB_EXCLUDE_SX126X)
SX1262::SX1262(Module* mod) : SX126x(mod) {
chipType = RADIOLIB_SX1262_CHIP_TYPE;
}
int16_t SX1262::begin(float freq, float bw, uint8_t sf, uint8_t cr, uint8_t syncWord, int8_t power, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO) {
// execute common part
int16_t state = SX126x::begin(cr, syncWord, preambleLength, tcxoVoltage, useRegulatorLDO);
RADIOLIB_ASSERT(state);
// configure publicly accessible settings
state = setSpreadingFactor(sf);
RADIOLIB_ASSERT(state);
state = setBandwidth(bw);
RADIOLIB_ASSERT(state);
state = setFrequency(freq);
RADIOLIB_ASSERT(state);
state = SX126x::fixPaClamping();
RADIOLIB_ASSERT(state);
state = setOutputPower(power);
RADIOLIB_ASSERT(state);
return(state);
}
int16_t SX1262::beginFSK(float freq, float br, float freqDev, float rxBw, int8_t power, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO) {
// execute common part
int16_t state = SX126x::beginFSK(br, freqDev, rxBw, preambleLength, tcxoVoltage, useRegulatorLDO);
RADIOLIB_ASSERT(state);
// configure publicly accessible settings
state = setFrequency(freq);
RADIOLIB_ASSERT(state);
state = SX126x::fixPaClamping();
RADIOLIB_ASSERT(state);
state = setOutputPower(power);
RADIOLIB_ASSERT(state);
return(state);
}
int16_t SX1262::setFrequency(float freq) {
return(setFrequency(freq, true));
}
int16_t SX1262::setFrequency(float freq, bool calibrate) {
RADIOLIB_CHECK_RANGE(freq, 150.0, 960.0, RADIOLIB_ERR_INVALID_FREQUENCY);
// calibrate image
if(calibrate) {
uint8_t data[2];
if(freq > 900.0) {
data[0] = RADIOLIB_SX126X_CAL_IMG_902_MHZ_1;
data[1] = RADIOLIB_SX126X_CAL_IMG_902_MHZ_2;
} else if(freq > 850.0) {
data[0] = RADIOLIB_SX126X_CAL_IMG_863_MHZ_1;
data[1] = RADIOLIB_SX126X_CAL_IMG_863_MHZ_2;
} else if(freq > 770.0) {
data[0] = RADIOLIB_SX126X_CAL_IMG_779_MHZ_1;
data[1] = RADIOLIB_SX126X_CAL_IMG_779_MHZ_2;
} else if(freq > 460.0) {
data[0] = RADIOLIB_SX126X_CAL_IMG_470_MHZ_1;
data[1] = RADIOLIB_SX126X_CAL_IMG_470_MHZ_2;
} else {
data[0] = RADIOLIB_SX126X_CAL_IMG_430_MHZ_1;
data[1] = RADIOLIB_SX126X_CAL_IMG_430_MHZ_2;
}
int16_t state = SX126x::calibrateImage(data);
RADIOLIB_ASSERT(state);
}
// set frequency
return(SX126x::setFrequencyRaw(freq));
}
int16_t SX1262::setOutputPower(int8_t power) {
RADIOLIB_CHECK_RANGE(power, -9, 22, RADIOLIB_ERR_INVALID_OUTPUT_POWER);
// get current OCP configuration
uint8_t ocp = 0;
int16_t state = readRegister(RADIOLIB_SX126X_REG_OCP_CONFIGURATION, &ocp, 1);
RADIOLIB_ASSERT(state);
// set PA config
state = SX126x::setPaConfig(0x04, RADIOLIB_SX126X_PA_CONFIG_SX1262);
RADIOLIB_ASSERT(state);
// set output power
/// \todo power ramp time configuration
state = SX126x::setTxParams(power);
RADIOLIB_ASSERT(state);
// restore OCP configuration
return(writeRegister(RADIOLIB_SX126X_REG_OCP_CONFIGURATION, &ocp, 1));
}
#endif