rfrobot-mp3-sample.ino

#include <DFRobot_DF1201S.h>
#include <SoftwareSerial.h>

// Tell Arduino which pins are wired to MP3 player (remember RX on Arduino is TX on MP3 player)
SoftwareSerial DF1201SSerial(2, 3);  //Arduino RX, Arduino TX

// object that will handle all comms to MP3 player
DFRobot_DF1201S DF1201S;

void setup(void){
  pinMode(13, OUTPUT);
  // Initialize MP3 player communications
  DF1201SSerial.begin(115200);
  while(!DF1201S.begin(DF1201SSerial)){
    Serial.println("Init failed, please check the wire connection!");
    delay(1000);
  }
  DF1201S.setVol(4);  // set a low-ish volume (valid values from 0 to 30)
  delay(500);
  DF1201S.switchFunction(DF1201S.MUSIC); // be a music player, not a USB drive
  delay(500);
  DF1201S.setPlayMode(DF1201S.SINGLE); // tell it to play just one file at a time (do this after switchFunction)
  delay(500);
}

void loop(){
  digitalWrite(13, LOW);
  int result = DF1201S.playFileNum(1); // turn on LED if it play says it worked
  if (result == 1) { // turn on Arduino LED if board says it worked
    digitalWrite(13, HIGH);
  }
  delay(4000);
}