#include <LoRaLib.h>

SX1278 lora = new LoRa;

int state;
String str;

String dataIn;
int8_t indexOfA, indexOfB, indexOfC, indexOfD;
String data1, data2, data3, data4;


void setup() {
  Serial.begin(9600);
  SetupLoRa();
}

void loop() {

  state = lora.receive(str);
  if (state == ERR_NONE) {
    Serial.print(F("Data: "));
    Serial.println(str);
    dataIn = str;
    parseData();
    ShowRxData();
    resetData();
  }


}//End Of Loop


void SetupLoRa() {
  Serial.print(F("Initializing ... "));
  state = lora.begin();
  if (state == ERR_NONE) {
    Serial.println(F("success!"));
  } else {
    Serial.print(F("failed, code "));
    Serial.println(state);
    while (true);
  }
}

void parseData() {
  indexOfA = dataIn.indexOf("A");
  indexOfB = dataIn.indexOf("B");
  indexOfC = dataIn.indexOf("C");
  indexOfD = dataIn.indexOf("D");
  data1 = dataIn.substring(0, indexOfA);
  data2 = dataIn.substring(indexOfA + 1, indexOfB);
  data3 = dataIn.substring(indexOfB + 1, indexOfC);
  data4 = dataIn.substring(indexOfC + 1, indexOfD);
}

void ShowRxData() {
  Serial.println("HR  : " + data1);
  Serial.println("Temp: " + data2);
  Serial.println("Lat : " + data3);
  Serial.println("Lng : " + data4);
}

void resetData() {
  dataIn = "";
}


/*
    // print RSSI (Received Signal Strength Indicator)
    // of the last received packet
    Serial.print(F("RSSI:\t\t\t"));
    Serial.print(lora.getRSSI());
    Serial.println(F(" dBm"));

    // print SNR (Signal-to-Noise Ratio)
    // of the last received packet
    Serial.print(F("SNR:\t\t\t"));
    Serial.print(lora.getSNR());
    Serial.println(F(" dB"));

    // print frequency error
    // of the last received packet
    Serial.print(F("Frequency error:\t"));
    Serial.print(lora.getFrequencyError());
    Serial.println(F(" Hz"));

  } else if (state == ERR_RX_TIMEOUT) {
    // timeout occurred while waiting for a packet
    Serial.println(F("timeout!"));

  } else if (state == ERR_CRC_MISMATCH) {
    // packet was received, but is malformed
    Serial.println(F("CRC error!"));
  }
*/