staci/SerialMP3Player.h at master · salvadorrueda/staci · GitHub

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/*
 * SerialMP3Player.h - Library for Serial MP3 Player board from Catalex (YX5300 chip)
 * Created by Salvador Rueda Pau, July 23, 2016.
 * License as GPL v3 (http://www.gnu.org/licenses/gpl.html)
 */

#ifndef SerialMP3Player_h
#define SerialMP3Player_h

#include <Arduino.h>

#define CMD_NEXT             0X01 // Play next file
#define CMD_PREV             0X02 // Play previous file
#define CMD_PLAYN            0X03 // Play n file from (1-255)
#define CMD_VOL_UP           0X04 // Volumen up
#define CMD_VOL_DOWN         0X05 // Volumen down
#define CMD_SET_VOL          0X06 // Set Volume (0-30)
                          // 0x07 // Reserved.
#define CMD_PLAY_SLOOP       0X08 // Single loop play.

#define CMD_SEL_DEV          0X09 // Set device. 2 DEV_TF (SD Card)
#define CMD_SLEEP_MODE       0X0A
#define CMD_WAKE_UP          0X0B
#define CMD_RESET            0X0C

#define CMD_PLAY             0X0D // Play
#define CMD_PAUSE            0X0E // Pause

#define CMD_PLAY_F_FILE      0X0F // ERROR // Play n file (name not number) in the f folder

#define CMD_STOP_PLAY        0X16 // Stop
#define CMD_FOLDER_CYCLE     0X17 // Play all the files in the f folder

//#define CMD_PLAY_SHUFFLE   0x18 // Reserved

#define CMD_PLAY_W_VOL       0X22 // Play with a volumen

// Query Commands
#define CMD_PLAYING_N         0x4C // qPlaying();  // Ask for the file is playing
#define CMD_QUERY_STATUS      0x42 // qStatus();   // Ask for the status
#define CMD_QUERY_VOLUME      0x43 // qVol();      // Ask for the volumen. // Sometime board fails
#define CMD_QUERY_FLDR_TRACKS 0x4E // qFTracks();  // Ask for the number of tracks folders
#define CMD_QUERY_TOT_TRACKS  0x48 // qTTracks();  // Ask for the total of tracks
#define CMD_QUERY_FLDR_COUNT  0x4F // qTFolders(); // Ask for the number of folders


/************ Opitons **************************/


// Uncomment SoftwareSerial for Arduino Uno or Nano.
#include <SoftwareSerial.h>

#define ARDUINO_RX 15  //should connect to TX of the Serial MP3 Player module
#define ARDUINO_TX 14  //connect to RX of the module

class SerialMP3Player{
   SoftwareSerial mp3 = SoftwareSerial(ARDUINO_RX, ARDUINO_TX);
   //byte ansbuf[10] = {0}; // Buffer for the answers.
   byte ansbuf[15] = {0}; // Buffer for the answers.


   public:
     void sendCommand(byte command);
     void sendCommand(byte command, byte dat2);
     void sendCommand(byte command, byte dat1, byte dat2);

     void begin(int bps);
     String decodeMP3Answer();
     void playNext();             // Play next file
     void playPrevious();         // Play previous file
     void play();                 // Play
     void play(byte n);           // Play n file
     void play(byte n, byte vol); // Play n file with volume

     void volUp();            // Volumen Up
     void volDown();          // Volumen Down
     void setVol(byte v);     // Set Volumen (0-30)

     void playSL(byte n);         // Play Single loop  n file.
     void playSL(byte f, byte n); // Play Single loop play n file from f folder. :?

     void pause();                // Pause

     void playF(byte f);          // Play all files in the f folder
     void playFN(byte f, byte n); // Play file named n from f folder

     void stop();                 // Stop playing

     // Query commands
     void qPlaying();   // Ask for the file is playing
     void qStatus();    // Ask for the status
     void qVol();       // Ask for the volumen // !!! Sometimes board stop working
     void qFTracks();   // Ask for the number of tracks folders // Nonsense answer
     void qTTracks();   // Ask for the total of tracks
     void qTFolders();  // Ask for the number of folders  // Nonsense answer


   private:
     String sanswer();
     int shex2int(char *s, int n);
     String sbyte2hex(byte b);

};


#endif