Content CAT LoRa Lab 9 - loraReceive Function

content-catlora-lab9-loraReceive.ino

void loraReceive() {
  String receive = lora.receive();
  if (receive != "") {
    unsigned int rxPort = lora.getPortReceive(receive);
    String rxPayload = lora.getPayloadReceive(receive);
    if (rxPort != 0 && rxPayload != "") {
      Serial.println("-----RX From CAT LORA-----");
      Serial.println(String("Port = ") + rxPort);
      Serial.println(String("Payload = ") + rxPayload);

      /*Downlink from Lora IoT by CAT is 012020012412105920200124143000 (00yyyyMMddhhmmssyyyyMMddhhmmss)
        Device : RelayA => 01, RelayB => 02
        Start : 2020-01-24 12:10:59 => 20200124121059
        Stop : 2020-01-24 14:30:00 => 20200124143000
        rxPayload = 012020012412105920200124143000;
      */

      //for device
      uint8_t device = (uint8_t) rxPayload.substring(0, 2).toInt();

      //new start datetime
      uint16_t sYear = (uint16_t) rxPayload.substring(2, 6).toInt();
      uint8_t sMonth = (uint8_t) rxPayload.substring(6, 8).toInt();
      uint8_t sDay = (uint8_t) rxPayload.substring(8, 10).toInt();
      uint8_t sHour = (uint8_t) rxPayload.substring(10, 12).toInt();
      uint8_t sMinute = (uint8_t) rxPayload.substring(12, 14).toInt();
      uint8_t sSecond = (uint8_t) rxPayload.substring(14, 16).toInt();

      //new stop datetime
      uint16_t eYear = (uint16_t) rxPayload.substring(16, 20).toInt();
      uint8_t eMonth = (uint8_t) rxPayload.substring(20, 22).toInt();
      uint8_t eDay = (uint8_t) rxPayload.substring(22, 24).toInt();
      uint8_t eHour = (uint8_t) rxPayload.substring(24, 26).toInt();
      uint8_t eMinute = (uint8_t) rxPayload.substring(26, 28).toInt();
      uint8_t eSecond = (uint8_t) rxPayload.substring(28, 30).toInt();

      //set startLedUnixtime and stopLedUnixtime
      String deviceSelected = "Not Found";
      if (device == 1) {
        deviceSelected = "Relay A";
        relayA.trunOnWhen(sYear, sMonth, sDay, sHour, sMinute, sSecond, eYear, eMonth, eDay, eHour, eMinute, eSecond);
      } else if (device == 2) {
        deviceSelected = "Relay B";
        relayB.trunOnWhen(sYear, sMonth, sDay, sHour, sMinute, sSecond, eYear, eMonth, eDay, eHour, eMinute, eSecond);
      }

      //set datetime format yyyy-MM-dd HH:mm:ss
      char startLedDateTime[32];
      char stopLedDateTime[32];
      sprintf(startLedDateTime, "%04d-%02d-%02d %02d:%02d:%02d", sYear, sMonth, sDay, sHour, sMinute, sSecond);
      sprintf(stopLedDateTime, "%04d-%02d-%02d %02d:%02d:%02d", eYear, eMonth, eDay, eHour, eMinute, eSecond);

      //Show new datetime
      Serial.println(String("Device Select : ") + deviceSelected);
      Serial.println(String("New Start LED : ") + startLedDateTime);
      Serial.println(String("New Stop LED : ") + stopLedDateTime);
    }
  }
}