ESP32_OSC_IMU/lib/M5Stack/examples/Modules/COM_SigFox/COM_SigFox.ino

/*
    Description: Get device ID,PAC and Send "00FFEE" to Dongle.
*/



#include <M5Stack.h>

#define rxPin 16
#define txPin 17

//Set to 0 if you don't need to see the messages in the console
#define DEBUG 1

//Message buffer
uint8_t msg[12];

// the setup function runs once when you press reset or power the board
void setup() {
  
  M5.begin();
  Serial2.begin(9600, SERIAL_8N1, rxPin, txPin);


  Serial.begin(115200);
  
  delay(2000);
  getID();
  delay(1000);
  getPAC();
  delay(1000);
}

// the loop function runs over and over again forever
void loop() {
    Serial2.write("AT$SF=00FFEE\r\n");
    delay(60000);
}

//Get Sigfox ID
String getID(){
  String id = "";
  char output;

  Serial2.write("AT$I=10\r\n");
  while(!Serial2.available()){
    
  }
  while(Serial2.available()){
    output = Serial2.read();
    id += output;
    delay(10);
  }

  if(DEBUG){
    Serial.println("Sigfox Device ID: ");
    Serial.println(id);
    M5.Lcd.println(id);
  }

  return id;
}


//Get PAC number
String getPAC(){
  String pac = "";
  char output;

  Serial2.write("AT$I=11\r\n");
  while(!Serial2.available()){
    
  }

  while(Serial2.available()){
    output = Serial2.read();
    pac += output;
    delay(10);
  }

  if(DEBUG){
    Serial.println("PAC number: ");
    Serial.println(pac);
    M5.Lcd.println(pac);
  }

  return pac;
}