LoRa_APRS_iGate/src/TaskRadiolib.cpp

217 wiersze
9.0 KiB
C++

#include <Task.h>
#include <TimeLib.h>
#include <logger.h>
#include "TaskRadiolib.h"
RadiolibTask::RadiolibTask(TaskQueue<std::shared_ptr<APRSMessage>> &fromModem, TaskQueue<std::shared_ptr<APRSMessage>> &toModem) : Task(TASK_RADIOLIB, TaskRadiolib), _fromModem(fromModem), _toModem(toModem) {
}
RadiolibTask::~RadiolibTask() {
radio->clearDio0Action();
}
volatile bool RadiolibTask::enableInterrupt = true; // Need to catch interrupt or not.
volatile bool RadiolibTask::operationDone = false; // Caught IRQ or not.
void RadiolibTask::setFlag(void) {
if (!enableInterrupt) {
return;
}
operationDone = true;
}
bool RadiolibTask::setup(System &system) {
SPI.begin(system.getBoardConfig()->Lora.Sck, system.getBoardConfig()->Lora.Miso, system.getBoardConfig()->Lora.Mosi, system.getBoardConfig()->Lora.CS);
module = new Module(system.getBoardConfig()->Lora.CS, system.getBoardConfig()->Lora.IRQ, system.getBoardConfig()->Lora.Reset);
radio = new SX1278(module);
config = system.getUserConfig()->lora;
rxEnable = true;
txEnable = config.tx_enable;
float freqMHz = (float)config.frequencyRx / 1000000;
float BWkHz = (float)config.signalBandwidth / 1000;
const uint16_t preambleLength = 8;
int16_t state = radio->begin(freqMHz, BWkHz, config.spreadingFactor, config.codingRate4, RADIOLIB_SX127X_SYNC_WORD, config.power, preambleLength, config.gainRx);
if (state != RADIOLIB_ERR_NONE) {
switch (state) {
case RADIOLIB_ERR_INVALID_FREQUENCY:
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] SX1278 init failed, The supplied frequency value (%fMHz) is invalid for this module.", timeString().c_str(), freqMHz);
rxEnable = false;
txEnable = false;
break;
case RADIOLIB_ERR_INVALID_BANDWIDTH:
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] SX1278 init failed, The supplied bandwidth value (%fkHz) is invalid for this module. Should be 7800, 10400, 15600, 20800, 31250, 41700 ,62500, 125000, 250000, 500000.", timeString().c_str(), BWkHz);
rxEnable = false;
txEnable = false;
break;
case RADIOLIB_ERR_INVALID_SPREADING_FACTOR:
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] SX1278 init failed, The supplied spreading factor value (%d) is invalid for this module.", timeString().c_str(), config.spreadingFactor);
rxEnable = false;
txEnable = false;
break;
case RADIOLIB_ERR_INVALID_CODING_RATE:
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] SX1278 init failed, The supplied coding rate value (%d) is invalid for this module.", timeString().c_str(), config.codingRate4);
rxEnable = false;
txEnable = false;
break;
case RADIOLIB_ERR_INVALID_OUTPUT_POWER:
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] SX1278 init failed, The supplied output power value (%d) is invalid for this module.", timeString().c_str(), config.power);
txEnable = false;
break;
case RADIOLIB_ERR_INVALID_PREAMBLE_LENGTH:
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] SX1278 init failed, The supplied preamble length is invalid.", timeString().c_str());
txEnable = false;
break;
case RADIOLIB_ERR_INVALID_GAIN:
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] SX1278 init failed, The supplied gain value (%d) is invalid.", timeString().c_str(), config.gainRx);
rxEnable = false;
break;
default:
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] SX1278 init failed, code %d", timeString().c_str(), state);
rxEnable = false;
txEnable = false;
}
_stateInfo = "LoRa-Modem failed";
_state = Error;
}
state = radio->setCRC(true);
if (state != RADIOLIB_ERR_NONE) {
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] setCRC failed, code %d", timeString().c_str(), state);
_stateInfo = "LoRa-Modem failed";
_state = Error;
}
radio->setDio0Action(setFlag);
if (rxEnable) {
int state = startRX(RADIOLIB_SX127X_RXCONTINUOUS);
if (state != RADIOLIB_ERR_NONE) {
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] startRX failed, code %d", timeString().c_str(), state);
rxEnable = false;
_stateInfo = "LoRa-Modem failed";
_state = Error;
}
}
if (config.power > 17 && config.tx_enable) {
radio->setCurrentLimit(140);
}
preambleDurationMilliSec = ((uint64_t)(preambleLength + 4) << (config.spreadingFactor + 10 /* to milli-sec */)) / config.signalBandwidth;
_stateInfo = "";
return true;
}
int transmissionState = RADIOLIB_ERR_NONE;
bool transmitFlag = false; // Transmitting or not.
bool RadiolibTask::loop(System &system) {
if (operationDone) { // occurs interrupt.
enableInterrupt = false;
if (transmitFlag) { // transmitted.
if (transmissionState == RADIOLIB_ERR_NONE) {
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_DEBUG, getName(), "[%s] TX done", timeString().c_str());
} else {
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] transmitFlag failed, code %d", timeString().c_str(), transmissionState);
}
operationDone = false;
transmitFlag = false;
txWaitTimer.setTimeout(preambleDurationMilliSec * 2);
txWaitTimer.start();
} else { // received.
String str;
int state = radio->readData(str);
if (state != RADIOLIB_ERR_NONE) {
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] readData failed, code %d", timeString().c_str(), state);
} else {
if (str.substring(0, 3) != "<\xff\x01") {
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_DEBUG, getName(), "[%s] Unknown packet '%s' with RSSI %.0fdBm, SNR %.2fdB and FreqErr %fHz", timeString().c_str(), str.c_str(), radio->getRSSI(), radio->getSNR(), -radio->getFrequencyError());
} else {
std::shared_ptr<APRSMessage> msg = std::shared_ptr<APRSMessage>(new APRSMessage());
msg->decode(str.substring(3));
_fromModem.addElement(msg);
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_DEBUG, getName(), "[%s] Received packet '%s' with RSSI %.0fdBm, SNR %.2fdB and FreqErr %fHz", timeString().c_str(), msg->toString().c_str(), radio->getRSSI(), radio->getSNR(), -radio->getFrequencyError());
system.getDisplay().addFrame(std::shared_ptr<DisplayFrame>(new TextFrame("LoRa", msg->toString().c_str())));
}
}
operationDone = false;
}
if (rxEnable) {
int state = startRX(RADIOLIB_SX127X_RXCONTINUOUS);
if (state != RADIOLIB_ERR_NONE) {
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] startRX failed, code %d", timeString().c_str(), state);
rxEnable = false;
}
}
enableInterrupt = true;
} else { // not interrupt.
if (!txWaitTimer.check()) {
} else {
if (!txEnable) {
// system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_DEBUG, getName(), "[%s] TX is not enabled", timeString().c_str());
} else {
if (transmitFlag) {
// system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_DEBUG, getName(), "[%s] TX signal detected. Waiting TX", timeString().c_str());
} else {
if (!_toModem.empty()) {
if (config.frequencyRx == config.frequencyTx && (radio->getModemStatus() & 0x01) == 0x01) {
// system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_DEBUG, getName(), "[%s] RX signal detected. Waiting TX", timeString().c_str());
} else {
std::shared_ptr<APRSMessage> msg = _toModem.getElement();
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_DEBUG, getName(), "[%s] Transmitting packet '%s'", timeString().c_str(), msg->toString().c_str());
int16_t state = startTX("<\xff\x01" + msg->encode());
if (state != RADIOLIB_ERR_NONE) {
system.getLogger().log(logging::LoggerLevel::LOGGER_LEVEL_ERROR, getName(), "[%s] startTX failed, code %d", timeString().c_str(), state);
txEnable = false;
return true;
}
}
}
}
}
}
}
return true;
}
int16_t RadiolibTask::startRX(uint8_t mode) {
if (config.frequencyTx != config.frequencyRx) {
int16_t state = radio->setFrequency((float)config.frequencyRx / 1000000);
if (state != RADIOLIB_ERR_NONE) {
return state;
}
}
return radio->startReceive(0, mode);
}
int16_t RadiolibTask::startTX(String &str) {
if (config.frequencyTx != config.frequencyRx) {
int16_t state = radio->setFrequency((float)config.frequencyTx / 1000000);
if (state != RADIOLIB_ERR_NONE) {
return state;
}
}
transmissionState = radio->startTransmit(str);
transmitFlag = true;
return RADIOLIB_ERR_NONE;
}