133 lines
3.7 KiB
C++
133 lines
3.7 KiB
C++
#include "SX1262.h"
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#include <math.h>
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#if !RADIOLIB_EXCLUDE_SX126X
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SX1262::SX1262(Module* mod) : SX126x(mod) {
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chipType = RADIOLIB_SX1262_CHIP_TYPE;
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}
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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) {
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// execute common part
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int16_t state = SX126x::begin(cr, syncWord, preambleLength, tcxoVoltage, useRegulatorLDO);
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RADIOLIB_ASSERT(state);
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// configure publicly accessible settings
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state = setSpreadingFactor(sf);
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RADIOLIB_ASSERT(state);
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state = setBandwidth(bw);
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RADIOLIB_ASSERT(state);
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state = setFrequency(freq);
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RADIOLIB_ASSERT(state);
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state = SX126x::fixPaClamping();
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RADIOLIB_ASSERT(state);
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state = setOutputPower(power);
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RADIOLIB_ASSERT(state);
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return(state);
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}
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int16_t SX1262::beginFSK(float freq, float br, float freqDev, float rxBw, int8_t power, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO) {
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// execute common part
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int16_t state = SX126x::beginFSK(br, freqDev, rxBw, preambleLength, tcxoVoltage, useRegulatorLDO);
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RADIOLIB_ASSERT(state);
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// configure publicly accessible settings
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state = setFrequency(freq);
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RADIOLIB_ASSERT(state);
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state = SX126x::fixPaClamping();
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RADIOLIB_ASSERT(state);
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state = setOutputPower(power);
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RADIOLIB_ASSERT(state);
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return(state);
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}
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int16_t SX1262::beginLRFHSS(float freq, uint8_t bw, uint8_t cr, bool narrowGrid, int8_t power, float tcxoVoltage, bool useRegulatorLDO) {
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// execute common part
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int16_t state = SX126x::beginLRFHSS(bw, cr, narrowGrid, tcxoVoltage, useRegulatorLDO);
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RADIOLIB_ASSERT(state);
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// configure publicly accessible settings
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state = setFrequency(freq);
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RADIOLIB_ASSERT(state);
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state = SX126x::fixPaClamping();
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RADIOLIB_ASSERT(state);
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state = setOutputPower(power);
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RADIOLIB_ASSERT(state);
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return(state);
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}
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int16_t SX1262::setFrequency(float freq) {
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return(setFrequency(freq, false));
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}
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int16_t SX1262::setFrequency(float freq, bool skipCalibration) {
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RADIOLIB_CHECK_RANGE(freq, 150.0f, 960.0f, RADIOLIB_ERR_INVALID_FREQUENCY);
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// check if we need to recalibrate image
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if(!skipCalibration && (fabsf(freq - this->freqMHz) >= RADIOLIB_SX126X_CAL_IMG_FREQ_TRIG_MHZ)) {
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int16_t state = this->calibrateImage(freq);
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RADIOLIB_ASSERT(state);
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}
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// set frequency
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return(SX126x::setFrequencyRaw(freq));
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}
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int16_t SX1262::setOutputPower(int8_t power) {
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// check if power value is configurable
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int16_t state = checkOutputPower(power, NULL);
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RADIOLIB_ASSERT(state);
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// get current OCP configuration
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uint8_t ocp = 0;
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state = readRegister(RADIOLIB_SX126X_REG_OCP_CONFIGURATION, &ocp, 1);
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RADIOLIB_ASSERT(state);
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// set PA config
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state = SX126x::setPaConfig(0x04, RADIOLIB_SX126X_PA_CONFIG_SX1262);
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RADIOLIB_ASSERT(state);
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// set output power with default 200us ramp
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state = SX126x::setTxParams(power, RADIOLIB_SX126X_PA_RAMP_200U);
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RADIOLIB_ASSERT(state);
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// restore OCP configuration
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return(writeRegister(RADIOLIB_SX126X_REG_OCP_CONFIGURATION, &ocp, 1));
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}
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int16_t SX1262::checkOutputPower(int8_t power, int8_t* clipped) {
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if(clipped) {
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*clipped = RADIOLIB_MAX(-9, RADIOLIB_MIN(22, power));
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}
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RADIOLIB_CHECK_RANGE(power, -9, 22, RADIOLIB_ERR_INVALID_OUTPUT_POWER);
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return(RADIOLIB_ERR_NONE);
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}
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int16_t SX1262::setModem(ModemType_t modem) {
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switch(modem) {
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case(ModemType_t::RADIOLIB_MODEM_LORA): {
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return(this->begin());
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} break;
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case(ModemType_t::RADIOLIB_MODEM_FSK): {
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return(this->beginFSK());
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} break;
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case(ModemType_t::RADIOLIB_MODEM_LRFHSS): {
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return(this->beginLRFHSS());
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} break;
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default:
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return(RADIOLIB_ERR_WRONG_MODEM);
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}
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}
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#endif
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