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LLCC68.cpp
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211 lines (173 loc) · 6.73 KB
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#include "LLCC68.h"
#if !RADIOLIB_EXCLUDE_SX126X
LLCC68::LLCC68(Module* mod) : SX1262(mod) {
chipType = RADIOLIB_LLCC68_CHIP_TYPE;
this->XTAL = true;
}
int16_t LLCC68::begin(float freq, float bw, uint8_t sf, uint8_t cr, uint8_t syncWord, int8_t pwr, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO, bool resetModule) {
// execute common part
int16_t state = SX126x::begin(cr, syncWord, preambleLength, tcxoVoltage, useRegulatorLDO, resetModule);
if(state == RADIOLIB_ERR_CHIP_NOT_FOUND) {
// bit of a hack, but some LLCC68 chips report as "SX1261", try that
// for full discussion, see https://github.com/jgromes/RadioLib/issues/1329
chipType = RADIOLIB_SX1261_CHIP_TYPE;
state = SX126x::begin(cr, syncWord, preambleLength, tcxoVoltage, useRegulatorLDO, resetModule);
RADIOLIB_DEBUG_PRINTLN("LLCC68 version string not found, using SX1261 instead");
}
RADIOLIB_ASSERT(state);
// configure publicly accessible settings
state = setFrequency(freq);
RADIOLIB_ASSERT(state);
state = setBandwidth(bw);
RADIOLIB_ASSERT(state);
state = setSpreadingFactor(sf);
RADIOLIB_ASSERT(state);
state = setOutputPower(pwr);
RADIOLIB_ASSERT(state);
state = SX126x::fixPaClamping();
RADIOLIB_ASSERT(state);
return(state);
}
int16_t LLCC68::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);
if(state == RADIOLIB_ERR_CHIP_NOT_FOUND) {
// bit of a hack, but some LLCC68 chips report as "SX1261", try that
// for full discussion, see https://github.com/jgromes/RadioLib/issues/1329
chipType = RADIOLIB_SX1261_CHIP_TYPE;
state = SX126x::beginFSK(br, freqDev, rxBw, preambleLength, tcxoVoltage, useRegulatorLDO);
RADIOLIB_DEBUG_PRINTLN("LLCC68 version string not found, using SX1261 instead");
}
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 LLCC68::beginLRFHSS(float freq, uint8_t bw, uint8_t cr, bool narrowGrid, int8_t power, float tcxoVoltage, bool useRegulatorLDO) {
// execute common part
int16_t state = SX126x::beginLRFHSS(bw, cr, narrowGrid, tcxoVoltage, useRegulatorLDO);
if(state == RADIOLIB_ERR_CHIP_NOT_FOUND) {
// bit of a hack, but some LLCC68 chips report as "SX1261", try that
// for full discussion, see https://github.com/jgromes/RadioLib/issues/1329
chipType = RADIOLIB_SX1261_CHIP_TYPE;
state = SX126x::beginLRFHSS(bw, cr, narrowGrid, tcxoVoltage, useRegulatorLDO);
RADIOLIB_DEBUG_PRINTLN("LLCC68 version string not found, using SX1261 instead");
}
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 LLCC68::setBandwidth(float bw) {
RADIOLIB_CHECK_RANGE(bw, 100.0f, 510.0f, RADIOLIB_ERR_INVALID_BANDWIDTH);
return(SX1262::setBandwidth(bw));
}
int16_t LLCC68::setSpreadingFactor(uint8_t sf) {
switch(SX126x::bandwidth) {
case RADIOLIB_SX126X_LORA_BW_125_0:
RADIOLIB_CHECK_RANGE(sf, 5, 9, RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
break;
case RADIOLIB_SX126X_LORA_BW_250_0:
RADIOLIB_CHECK_RANGE(sf, 5, 10, RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
break;
case RADIOLIB_SX126X_LORA_BW_500_0:
RADIOLIB_CHECK_RANGE(sf, 5, 11, RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
break;
default:
return(RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
}
return(SX1262::setSpreadingFactor(sf));
}
int16_t LLCC68::setDataRate(DataRate_t dr, ModemType_t modem) {
// get the current modem
ModemType_t currentModem;
int16_t state = this->getModem(¤tModem);
RADIOLIB_ASSERT(state);
// switch over if the requested modem is different
if(modem != RADIOLIB_MODEM_NONE && modem != currentModem) {
state = this->standby();
RADIOLIB_ASSERT(state);
state = this->setModem(modem);
RADIOLIB_ASSERT(state);
}
if(modem == RADIOLIB_MODEM_NONE) {
modem = currentModem;
}
// select interpretation based on modem
if(modem == RADIOLIB_MODEM_FSK) {
// set the bit rate
state = this->setBitRate(dr.fsk.bitRate);
RADIOLIB_ASSERT(state);
// set the frequency deviation
state = this->setFrequencyDeviation(dr.fsk.freqDev);
} else if(modem == RADIOLIB_MODEM_LORA) {
// set the spreading factor
state = this->setSpreadingFactor(dr.lora.spreadingFactor);
RADIOLIB_ASSERT(state);
// set the bandwidth
state = this->setBandwidth(dr.lora.bandwidth);
RADIOLIB_ASSERT(state);
// set the coding rate
state = this->setCodingRate(dr.lora.codingRate);
}
return(state);
}
int16_t LLCC68::checkDataRate(DataRate_t dr, ModemType_t modem) {
int16_t state = RADIOLIB_ERR_UNKNOWN;
// retrieve modem if not supplied
if(modem == RADIOLIB_MODEM_NONE) {
state = this->getModem(&modem);
RADIOLIB_ASSERT(state);
}
// select interpretation based on modem
if(modem == RADIOLIB_MODEM_FSK) {
RADIOLIB_CHECK_RANGE(dr.fsk.bitRate, 0.6f, 300.0f, RADIOLIB_ERR_INVALID_BIT_RATE);
RADIOLIB_CHECK_RANGE(dr.fsk.freqDev, 0.6f, 200.0f, RADIOLIB_ERR_INVALID_FREQUENCY_DEVIATION);
return(RADIOLIB_ERR_NONE);
} else if(modem == RADIOLIB_MODEM_LORA) {
RADIOLIB_CHECK_RANGE(dr.lora.bandwidth, 100.0f, 510.0f, RADIOLIB_ERR_INVALID_BANDWIDTH);
RADIOLIB_CHECK_RANGE(dr.lora.codingRate, 4, 8, RADIOLIB_ERR_INVALID_CODING_RATE);
uint8_t bw_div2 = dr.lora.bandwidth / 2 + 0.01f;
switch (bw_div2) {
case 62: // 125.0:
RADIOLIB_CHECK_RANGE(dr.lora.spreadingFactor, 5, 9, RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
break;
case 125: // 250.0
RADIOLIB_CHECK_RANGE(dr.lora.spreadingFactor, 5, 10, RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
break;
case 250: // 500.0
RADIOLIB_CHECK_RANGE(dr.lora.spreadingFactor, 5, 11, RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
break;
default:
return(RADIOLIB_ERR_INVALID_BANDWIDTH);
}
return(RADIOLIB_ERR_NONE);
}
return(state);
}
int16_t LLCC68::setModem(ModemType_t modem) {
switch(modem) {
case(ModemType_t::RADIOLIB_MODEM_LORA): {
return(this->begin());
} break;
case(ModemType_t::RADIOLIB_MODEM_FSK): {
return(this->beginFSK());
} break;
case(ModemType_t::RADIOLIB_MODEM_LRFHSS): {
return(this->beginLRFHSS());
} break;
default:
return(RADIOLIB_ERR_WRONG_MODEM);
}
}
#endif