Arduino/GetStarted.ino at master · rkgus24/Arduino · GitHub

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/***************************************************
DFPlayer - A Mini MP3 Player For Arduino
 <https://www.dfrobot.com/product-1121.html>

 ***************************************************
 This example shows the basic function of library for DFPlayer.

 Created 2016-12-07
 By [Angelo qiao](Angelo.qiao@dfrobot.com)

 GNU Lesser General Public License.
 See <http://www.gnu.org/licenses/> for details.
 All above must be included in any redistribution
 ****************************************************/

/***********Notice and Trouble shooting***************
 1.Connection and Diagram can be found here
 <https://www.dfrobot.com/wiki/index.php/DFPlayer_Mini_SKU:DFR0299#Connection_Diagram>
 2.This code is tested on Arduino Uno, Leonardo, Mega boards.
 ****************************************************/

#include "Arduino.h"
#include "SoftwareSerial.h"
#include "DFRobotDFPlayerMini.h"

SoftwareSerial mySoftwareSerial(4,5); // RX, TX
DFRobotDFPlayerMini myDFPlayer;
void printDetail(uint8_t type, int value);

void setup()
{
  mySoftwareSerial.begin(9600);
  Serial.begin(115200);

  Serial.println();
  Serial.println(F("DFRobot DFPlayer Mini Demo"));
  Serial.println(F("Initializing DFPlayer ... (May take 3~5 seconds)"));

  if (!myDFPlayer.begin(mySoftwareSerial)) {  //Use softwareSerial to communicate with mp3.
    Serial.println(F("Unable to begin:"));
    Serial.println(F("1.Please recheck the connection!"));
    Serial.println(F("2.Please insert the SD card!"));
    while(true){
      delay(0); // Code to compatible with ESP8266 watch dog.
    }
  }
  Serial.println(F("DFPlayer Mini online."));

  myDFPlayer.volume(10);  //Set volume value. From 0 to 30
  myDFPlayer.play(1);  //Play the first mp3
}

void loop()
{
//  static unsigned long timer = millis();
//
////  if (millis() - timer > 3000) {
////    timer = millis();
////    myDFPlayer.next();  //Play next mp3 every 3 second.
////  }
//
//  if (myDFPlayer.available()) {
//    printDetail(myDFPlayer.readType(), myDFPlayer.read()); //Print the detail message from DFPlayer to handle different errors and states.
//  }
//}
//
//void printDetail(uint8_t type, int value){
//  switch (type) {
//    case TimeOut:
//      Serial.println(F("Time Out!"));
//      break;
//    case WrongStack:
//      Serial.println(F("Stack Wrong!"));
//      break;
//    case DFPlayerCardInserted:
//      Serial.println(F("Card Inserted!"));
//      break;
//    case DFPlayerCardRemoved:
//      Serial.println(F("Card Removed!"));
//      break;
//    case DFPlayerCardOnline:
//      Serial.println(F("Card Online!"));
//      break;
//    case DFPlayerUSBInserted:
//      Serial.println("USB Inserted!");
//      break;
//    case DFPlayerUSBRemoved:
//      Serial.println("USB Removed!");
//      break;
//    case DFPlayerPlayFinished:
//      Serial.print(F("Number:"));
//      Serial.print(value);
//      Serial.println(F(" Play Finished!"));
//      break;
//    case DFPlayerError:
//      Serial.print(F("DFPlayerError:"));
//      switch (value) {
//        case Busy:
//          Serial.println(F("Card not found"));
//          break;
//        case Sleeping:
//          Serial.println(F("Sleeping"));
//          break;
//        case SerialWrongStack:
//          Serial.println(F("Get Wrong Stack"));
//          break;
//        case CheckSumNotMatch:
//          Serial.println(F("Check Sum Not Match"));
//          break;
//        case FileIndexOut:
//          Serial.println(F("File Index Out of Bound"));
//          break;
//        case FileMismatch:
//          Serial.println(F("Cannot Find File"));
//          break;
//        case Advertise:
//          Serial.println(F("In Advertise"));
//          break;
//        default:
//          break;
//      }
//      break;
//    default:
//      break;
//  }
//
}