【基于DFPlayer的红外遥控播放器】

/*
 *  name:     DFPlayer_Mini_Mp3
 *  version:  1.0
 *  Author:   Apple tec.<[email]godfights@163.com[/email]>
 *  Date:     2015-07-16
 *  Description:  红外遥控DFPlayer迷你板
 *  note: mp3 file must put into mp3 folder in your tf card
 */
 
#include <IRremote.h>
#include <SoftwareSerial.h>
#include <DFPlayer_Mini_Mp3.h>
 
//定义对应16进制数值的常量名
#define POWER   0xFD00FF       //电源
#define VOLUP   0xFD807F       //VOL+
#define STOP    0xFD40BF       //FUNC/STOP
#define PREV    0xFD20DF       //后退/上一曲
#define PAUSE   0xFDA05F       //暂停/播放
#define NEXT    0xFD609F       //前进/下一曲
#define DOWN    0xFD10EF       //下一页
#define VOLDOWN 0xFD906F       //VOL-
#define UP      0xFD50AF       //上一页
#define ZERO    0xFD30CF       //0
#define EQ      0xFDB04F       //EQ
#define REPT    0xFD708F       //ST/REPT
#define ONE     0xFD08F7       //1
#define TWO     0xFD8877       //2
#define THREE   0xFD48B7       //3
#define FOUR    0xFD28D7       //4
#define FIVE    0xFDA857       //5
#define SIX     0xFD6897       //6
#define SEVEN   0xFD18E7       //7
#define EIGHT   0xFD9867       //8
#define NINE    0xFD58A7       //9
 
const int recvPin = 2;         //红外接收器到ardunio的端口
boolean a = true;              //播放逻辑设定
int i = 20;                    //初始化音量
int z = 0;                     //初始化音效
 
IRrecv recv(recvPin);         //初始化接收
decode_results res;          //储存接收到的数据 
 
void setup() {
 
  Serial.begin(9600);          //初始化串口
  recv.enableIRIn();            //允许接收数据
  mp3_set_serial (Serial);     //设置串行DFPlayer-mini mp3模块
  mp3_set_volume (i);           //初始化音量
  mp3_set_EQ (z);               //初始化音效
}
 
void loop() {
 
  if(recv.decode(&res)) {                        //判断是否接受到数据 
    switch(res.value) {                          //判断按下的按钮
 
      case POWER:                                //停止播放
      if (a == false) {
        a = !a;
        mp3_stop ();
        }
      break;
 
      case PREV:                                 //上一首
      if (a == true) {
        a = !a;
        }
      mp3_prev ();
      break;
 
      case NEXT:                                 //下一首
      if (a == true) {
        a = !a;
        }
      mp3_next ();
      break;
 
      case PAUSE:                                //暂停与播放(暂停具有断点播放)
      if (a == true) {
        a = !a;
        mp3_play ();
        }
      else { 
        a = !a;
        mp3_pause ();
        }
      break;
 
      case VOLUP:                                //音量加
      if (i < 30) {
        i = i+1;
        mp3_set_volume (i);
        }
      break;
 
      case VOLDOWN:                              //音量减
      if (i > 0) {
        i = i-1;
        mp3_set_volume (i);
        }
      break;
 
      case EQ:                                   //音效模式切换
      if (z < 5) {
        z = z+1;
        }
      else {
        z = 0;
        }
      mp3_set_EQ (z);
      break;
 
      case REPT :                                //随机模式播放
      if (a == true) {
        a = !a;
        }
      mp3_random_play (); 
      break;
 
      case ONE:
      if (a == true) {
        a = !a;
        }
      mp3_play (1);
      break;
 
      case TWO:
      if (a == true) {
        a = !a;
        }
      mp3_play (2);
      break;
 
      case THREE:
      if (a == true) {
        a = !a;
        }
      mp3_play (3);
      break;
 
      case FOUR:
      if (a == true) {
        a = !a;
        }
      mp3_play (4);
      break;
 
      case FIVE:
      if (a == true) {
        a = !a;
        }
      mp3_play (5);
      break;
 
      case SIX:
      if (a == true) {
        a = !a;
        }
      mp3_play (6);
      break;
 
      case SEVEN:
      if (a == true) {
        a = !a;
        }
      mp3_play (7);
      break;
 
      case EIGHT:
      if (a == true) {
        a = !a;
        }
      mp3_play (8);
      break;
 
      case NINE:
      if (a == true) {
        a = !a;
        }
      mp3_play (9);
      break;
 
      default:
      ;
      }
      recv.resume();                             //接收下一个数据
    }
}