kopia lustrzana https://github.com/jgromes/RadioLib
122 wiersze
3.6 KiB
C++
122 wiersze
3.6 KiB
C++
#include "SX1262.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::setFrequency(float freq) {
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return(setFrequency(freq, true));
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}
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int16_t SX1262::setFrequency(float freq, bool calibrate) {
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RADIOLIB_CHECK_RANGE(freq, 150.0, 960.0, RADIOLIB_ERR_INVALID_FREQUENCY);
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// calibrate image rejection
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if(calibrate) {
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uint8_t data[2] = { 0, 0 };
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// try to match the frequency ranges
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int freqBand = (int)freq;
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if((freq >= 902) && (freq <= 928)) {
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data[0] = RADIOLIB_SX126X_CAL_IMG_902_MHZ_1;
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data[1] = RADIOLIB_SX126X_CAL_IMG_902_MHZ_2;
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} else if((freq >= 863) && (freq <= 870)) {
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data[0] = RADIOLIB_SX126X_CAL_IMG_863_MHZ_1;
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data[1] = RADIOLIB_SX126X_CAL_IMG_863_MHZ_2;
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} else if((freq >= 779) && (freq <= 787)) {
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data[0] = RADIOLIB_SX126X_CAL_IMG_779_MHZ_1;
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data[1] = RADIOLIB_SX126X_CAL_IMG_779_MHZ_2;
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} else if((freq >= 470) && (freq <= 510)) {
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data[0] = RADIOLIB_SX126X_CAL_IMG_470_MHZ_1;
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data[1] = RADIOLIB_SX126X_CAL_IMG_470_MHZ_2;
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} else if((freq >= 430) && (freq <= 440)) {
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data[0] = RADIOLIB_SX126X_CAL_IMG_430_MHZ_1;
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data[1] = RADIOLIB_SX126X_CAL_IMG_430_MHZ_2;
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}
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int16_t state;
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if(data[0]) {
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// matched with predefined ranges, do the calibration
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state = SX126x::calibrateImage(data);
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} else {
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// if nothing matched, try custom calibration - the may or may not work
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RADIOLIB_DEBUG_BASIC_PRINTLN("Failed to match predefined frequency range, trying custom");
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state = SX126x::calibrateImageRejection(freq - 4.0f, freq + 4.0f);
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}
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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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RADIOLIB_CHECK_RANGE(power, -9, 22, RADIOLIB_ERR_INVALID_OUTPUT_POWER);
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// get current OCP configuration
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uint8_t ocp = 0;
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int16_t 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
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/// \todo power ramp time configuration
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state = SX126x::setTxParams(power);
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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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#endif
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