#include <Wire.h>
#include <arduinoUART.h>
#include <arduinoUtils.h>
#include <arduinoLoRaWAN.h>

const int error_led =  13;
uint8_t socket = SOCKET0;
uint8_t error;
int8_t power = 15;
uint32_t frequency = 868100000;
char spreading_factor[] = "sf12";
char coding_rate[] = "4/5";
uint16_t bandwidth = 125;
char crc_mode[] = "on";
char data[]="3333";
int longitud = 12;

void setup() {
  pinMode(error_led, OUTPUT);
  error = radioModuleSetup();
  if (error == 0) {
    BLINK();
  }
  //sprintf(data, "%i%i%i%i", 3, 3, 3, 3);
}

void loop() {
  //data = "333";
  error = LoRaWAN.sendRadio("3333");
  //error = LoRaWAN.sendRadio((char*)data);
  delay(5000);
}

void BLINK() {
  for (int i = 0; i < 5; i++) {
    digitalWrite(error_led, HIGH);
    delay(200);
    digitalWrite(error_led, LOW);
    delay(200);
  }
}

uint8_t radioModuleSetup() {
  uint8_t e = 0;
  e += LoRaWAN.ON(socket);
  e += LoRaWAN.macPause();
  e += LoRaWAN.setRadioPower(power);
  e += LoRaWAN.setRadioFreq(frequency);
  e += LoRaWAN.setRadioSF(spreading_factor);
  e += LoRaWAN.setRadioCR(coding_rate);
  e += LoRaWAN.setRadioBW(bandwidth);
  e += LoRaWAN.setRadioCRC(crc_mode);
  return e;

}

// define data to send
char data[] = "0102030405060708090A0B0C0D0E0F";

// Send packet
  error = LoRaWAN.sendRadio(data);

void loop() {

  enableInterrupt();
  error = P2PSetup();
  if (error == 0) {
    error = LoRaWAN.receiveRadio(10000);
    Serial.begin(57600);
    Serial.print(F("DATA LENGTH: "));

    if (error == 0) {
      Serial.println(LoRaWAN._length);
      Serial.println((char *)LoRaWAN._buffer);

      processFrame();

    } else {
      Serial.println(F("NO DATA RECEIVED"));
    }

  } else {
    Serial.println(F("P2P CONFIGURATION ERROR"));
  }
  printData();
  delay(10000);

  //waitUntilTransmission();
}

void enableInterrupt() {
  noInterrupts();
  attachInterrupt(digitalPinToInterrupt(intG), interruptService, RISING);
  interrupts();
}