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/*!
 *@file play.ino
 *@brief Music Playing Example Program
 *@details  Experimental phenomenon: control MP3 play music, obtain song information
 *@copyright  Copyright (c) 2010 DFRobot Co.Ltd (http://www.dfrobot.com)
 *@license     The MIT license (MIT)
 *@author [fengli]([email protected])
 *@version  V1.1
 *@date  2021-10-15
 *@url https://github.com/DFRobot/DFRobot_DF1201S
*/
 
 
#include <DFRobot_DF1201S.h>
#include <SoftwareSerial.h>
 
SoftwareSerial DF1201SSerial(2, 3);  //RX  TX
 
DFRobot_DF1201S DF1201S;
void setup(void){
  Serial.begin(115200);
  DF1201SSerial.begin(115200);
  while(!DF1201S.begin(DF1201SSerial)){
    Serial.println("Init failed, please check the wire connection!");
    delay(1000);
  }
  /*Set volume to 20*/
  DF1201S.setVol(/*VOL = */20);
  Serial.print("VOL:");
  /*Get volume*/
  Serial.println(DF1201S.getVol());
  /*Enter music mode*/
  DF1201S.switchFunction(DF1201S.MUSIC);
  /*Wait for the end of the prompt tone */
  delay(2000);
  /*Set playback mode to "repeat all"*/
  DF1201S.setPlayMode(DF1201S.ALLCYCLE);
  Serial.print("PlayMode:");
  /*Get playback mode*/
  Serial.println(DF1201S.getPlayMode());
 
  //Set baud rate to 115200(Need to power off and restart, power-down save)
  //DF1201S.setBaudRate(115200);
  //Turn on indicator LED (Power-down save)
  //DF1201S.setLED(true);
  //Turn on the prompt tone (Power-down save) 
  //DF1201S.setPrompt(true);
  //Enable amplifier chip 
  //DF1201S.enableAMP();
  //Disable amplifier chip 
  //DF1201S.disableAMP();
}
 
void loop(){
  Serial.println("Start playing");
  /*Start playing*/
  DF1201S.start();
  delay(3000);
  Serial.println("Pause");
  /*Pause*/
  DF1201S.pause();
  delay(3000);
  Serial.println("Next");
  /*Play the next song*/
  DF1201S.next();
  delay(3000);
  Serial.println("Previous");
  /*Play the previous song*/
  DF1201S.last();
  delay(3000);
  Serial.println("Start playing");
  //Fast forward 10S
  DF1201S.fastForward(/*FF = */10);
  //Fast Rewind 10S
  //DF1201S.fastReverse(/*FR = */10);
  //Start the song from the 10th second 
  //DF1201S.setPlayTime(/*Play Time = */10);
 
  Serial.print("File number:");
  //Get file number
  Serial.println(DF1201S.getCurFileNumber());
 
  Serial.print("The number of files available to play:");
  //The number of files available to play
  Serial.println(DF1201S.getTotalFile());
 
  Serial.print("The time length the current song has played:");
  //Get the time length the current song has played 
  Serial.println(DF1201S.getCurTime());
 
  Serial.print("The total length of the currently-playing song: ");
  //Get the total length of the currently-playing song 
  Serial.println(DF1201S.getTotalTime());
  Serial.print("The name of the currently-playing file: ");
  //Get the name of the playing file 
  Serial.println(DF1201S.getFileName());
  delay(3000);
  //Play the file No.1, the numbers are arranged according to the sequence of the files copied into the U-disk 
  DF1201S.playFileNum(/*File Number = */1);
  //Play the test.mp3 file in test folder 
  //DF1201S.playSpecFile("/test/test.mp3");
 
  while(1);
  /*Delete the currently-playing file */
  //DF1201S.delCurFile();
}