Method parsePacket

Code/Arduino_libraries/LoRa/LoRa.cpp:219–262

}

int LoRaClass::parsePacket(int size)
{
  int packetLength = 0;
  int irqFlags = readRegister(REG_IRQ_FLAGS);

  if (size > 0) {
    implicitHeaderMode();

    writeRegister(REG_PAYLOAD_LENGTH, size & 0xff);
  } else {
    explicitHeaderMode();
  }

  // clear IRQ's
  writeRegister(REG_IRQ_FLAGS, irqFlags);

  if ((irqFlags & IRQ_RX_DONE_MASK) && (irqFlags & IRQ_PAYLOAD_CRC_ERROR_MASK) == 0) {
    // received a packet
    _packetIndex = 0;

    // read packet length
    if (_implicitHeaderMode) {
      packetLength = readRegister(REG_PAYLOAD_LENGTH);
    } else {
      packetLength = readRegister(REG_RX_NB_BYTES);
    }

    // set FIFO address to current RX address
    writeRegister(REG_FIFO_ADDR_PTR, readRegister(REG_FIFO_RX_CURRENT_ADDR));

    // put in standby mode
    idle();
  } else if (readRegister(REG_OP_MODE) != (MODE_LONG_RANGE_MODE | MODE_RX_SINGLE)) {
    // not currently in RX mode

    // reset FIFO address
    writeRegister(REG_FIFO_ADDR_PTR, 0);

    // put in single RX mode
    writeRegister(REG_OP_MODE, MODE_LONG_RANGE_MODE | MODE_RX_SINGLE);
  }

  return packetLength;
}

int LoRaClass::packetRssi()
{