129 lines
No EOL
3.7 KiB
C++
129 lines
No EOL
3.7 KiB
C++
#include "LR1110.h"
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#include <math.h>
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#if !RADIOLIB_EXCLUDE_LR11X0
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LR1110::LR1110(Module* mod) : LR11x0(mod) {
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chipType = RADIOLIB_LR11X0_DEVICE_LR1110;
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}
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int16_t LR1110::begin(float freq, float bw, uint8_t sf, uint8_t cr, uint8_t syncWord, int8_t power, uint16_t preambleLength, float tcxoVoltage) {
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// execute common part
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int16_t state = LR11x0::begin(bw, sf, cr, syncWord, preambleLength, tcxoVoltage);
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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 = setOutputPower(power);
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return(state);
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}
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int16_t LR1110::beginGFSK(float freq, float br, float freqDev, float rxBw, int8_t power, uint16_t preambleLength, float tcxoVoltage) {
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// execute common part
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int16_t state = LR11x0::beginGFSK(br, freqDev, rxBw, preambleLength, tcxoVoltage);
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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 = setOutputPower(power);
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return(state);
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}
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int16_t LR1110::beginLRFHSS(float freq, uint8_t bw, uint8_t cr, bool narrowGrid, int8_t power, float tcxoVoltage) {
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// execute common part
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int16_t state = LR11x0::beginLRFHSS(bw, cr, narrowGrid, tcxoVoltage);
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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 = setOutputPower(power);
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return(state);
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}
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int16_t LR1110::setFrequency(float freq) {
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return(this->setFrequency(freq, false));
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}
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int16_t LR1110::setFrequency(float freq, bool skipCalibration, float band) {
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RADIOLIB_CHECK_RANGE(freq, 150.0, 960.0, RADIOLIB_ERR_INVALID_FREQUENCY);
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// check if we need to recalibrate image
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int16_t state;
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if(!skipCalibration && (fabsf(freq - this->freqMHz) >= RADIOLIB_LR11X0_CAL_IMG_FREQ_TRIG_MHZ)) {
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state = LR11x0::calibrateImageRejection(freq - band, freq + band);
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RADIOLIB_ASSERT(state);
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}
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// set frequency
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state = LR11x0::setRfFrequency((uint32_t)(freq*1000000.0f));
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RADIOLIB_ASSERT(state);
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this->freqMHz = freq;
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return(state);
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}
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int16_t LR1110::setOutputPower(int8_t power) {
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return(this->setOutputPower(power, false));
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}
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int16_t LR1110::setOutputPower(int8_t power, bool forceHighPower) {
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// check if power value is configurable
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int16_t state = this->checkOutputPower(power, NULL, forceHighPower);
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RADIOLIB_ASSERT(state);
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// determine whether to use HP or LP PA and check range accordingly
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bool useHp = forceHighPower || (power > 14);
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// TODO how and when to configure OCP?
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// update PA config - always use VBAT for high-power PA
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state = setPaConfig((uint8_t)useHp, (uint8_t)useHp, 0x04, 0x07);
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RADIOLIB_ASSERT(state);
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// set output power
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state = setTxParams(power, RADIOLIB_LR11X0_PA_RAMP_48U);
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return(state);
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}
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int16_t LR1110::checkOutputPower(int8_t power, int8_t* clipped) {
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return(checkOutputPower(power, clipped, false));
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}
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int16_t LR1110::checkOutputPower(int8_t power, int8_t* clipped, bool forceHighPower) {
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if(forceHighPower || (power > 14)) {
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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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} else {
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if(clipped) {
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*clipped = RADIOLIB_MAX(-17, RADIOLIB_MIN(14, power));
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}
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RADIOLIB_CHECK_RANGE(power, -17, 14, RADIOLIB_ERR_INVALID_OUTPUT_POWER);
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}
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return(RADIOLIB_ERR_NONE);
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}
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int16_t LR1110::setModem(ModemType_t modem) {
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switch(modem) {
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case(ModemType_t::LoRa): {
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return(this->begin());
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} break;
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case(ModemType_t::FSK): {
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return(this->beginGFSK());
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} break;
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case(ModemType_t::LRFHSS): {
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return(this->beginLRFHSS());
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} break;
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}
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return(RADIOLIB_ERR_WRONG_MODEM);
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}
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#endif |