77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
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#include <LoRaTransmitter.h>
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RTC_DATA_ATTR uint8_t LWsession[RADIOLIB_LORAWAN_SESSION_BUF_SIZE];
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LoRaTransmitter::LoRaTransmitter(
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uint64_t joinEUI,
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uint64_t devEUI,
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uint8_t* nwkKey,
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uint8_t* appKey
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)
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: _joinEUI(joinEUI),
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_devEUI(devEUI),
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_radio(new Module(LORA_NSS, LORA_DIO0, LORA_RST, LORA_DIO1)),
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_node(&_radio, &EU868)
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{
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memcpy(_nwkKey, nwkKey, 16);
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memcpy(_appKey, appKey, 16);
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}
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TransmitError LoRaTransmitter::init()
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{
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_reset();
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SPI.begin(LORA_SCK, LORA_MISO, LORA_MOSI, LORA_NSS);
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Serial.print("[LoRaWAN] Init... ");
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int state = _radio.begin();
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if (state != RADIOLIB_ERR_NONE)
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{
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Serial.printf("ERREUR %d\n", state);
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return TransmitError::INIT_FAILED;
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}
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Serial.println("OK");
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return TransmitError::OK;
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}
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TransmitError LoRaTransmitter::join()
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{
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int16_t state = RADIOLIB_ERR_NETWORK_NOT_JOINED;
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_node.beginOTAA(_joinEUI, _devEUI, _nwkKey, _appKey);
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state = _node.activateOTAA();
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if (state != RADIOLIB_LORAWAN_NEW_SESSION)
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{
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Serial.printf("Echec : %d\n", state);
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return TransmitError::JOIN_FAILED;
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}
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Serial.println("OK");
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return TransmitError::OK;
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}
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TransmitError LoRaTransmitter::send(uint8_t payload[], size_t size)
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{
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int state = _node.sendReceive(payload, size, 1);
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if (state == RADIOLIB_ERR_NONE || state == RADIOLIB_LORAWAN_NO_DOWNLINK)
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{
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Serial.println("[TX] OK");
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return TransmitError::OK;
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}
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else
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{
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Serial.printf("[TX] Erreur : %d\n", state);
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return TransmitError::SEND_FAILED;
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}
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}
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void LoRaTransmitter::_reset()
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{
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pinMode(LORA_RST, OUTPUT);
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digitalWrite(LORA_RST, LOW);
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delay(10);
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digitalWrite(LORA_RST, HIGH);
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delay(10);
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}
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