Simple debug console for DFRobot DFPlayer Pro

MP3-debug.ino

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

SoftwareSerial DF1201SSerial(2, 3);  //RX  TX

DFRobot_DF1201S DF1201S;
void setup(void){
  Serial.begin(115200);
  Serial.println("Initialize MP3 player");
  DF1201SSerial.begin(115200);
  while(!DF1201S.begin(DF1201SSerial)){
    Serial.println("Init failed, please check the wire connection!");
    delay(1000);
  }
  // Set and confirm volume
  DF1201S.setVol(10);
  Serial.print(" Volume: ");
  Serial.println(DF1201S.getVol());
  // Enter "Music Mode" - for playing files
  DF1201S.switchFunction(DF1201S.MUSIC);
  delay(500);  // wait for end of prompt
  // set and confirm to play just one file
  DF1201S.setPlayMode(DF1201S.SINGLE);
  Serial.print(" PlayMode: ");  /*Get playback mode*/
  Serial.println(DF1201S.getPlayMode());
  // how many files?
  Serial.print(" Files: ");
  Serial.println(DF1201S.getTotalFile());  
}

void loop() {
  DF1201S.playFileNum(1);
  delay(4000);
}