Namaskron Chimpalee / VS1053_mp3

mp3

player.cpp@1:17913cff05a2, 2017-12-09 (annotated)

Committer:
csggreen
Date:
Sat Dec 09 14:21:59 2017 +0000
Revision:
1:17913cff05a2
Parent:
0:58524d569dfd
Child:
2:a59255e80c0d
gwev

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cha45689 0:58524d569dfd 1 #include "player.h"
cha45689 0:58524d569dfd 2 #include"SDFileSystem.h"
cha45689 0:58524d569dfd 3
cha45689 0:58524d569dfd 4 SDFileSystem sd(D11, D12, D13, D9, "sd"); // the pinout on the mbed Cool
cha45689 0:58524d569dfd 5 vs10xx vs1053(D11, D12, D13, D6, D7, D2, D8);//mosi,miso,sclk,xcs,xdcs,dreq,xreset
cha45689 0:58524d569dfd 6 Serial pc(USBTX, USBRX);
cha45689 0:58524d569dfd 7 playerStatetype playerState;
cha45689 0:58524d569dfd 8 ctrlStatetype ctrlState;
csggreen 1:17913cff05a2 9 static unsigned char fileBuf[32768];
cha45689 0:58524d569dfd 10 unsigned char *bufptr;
cha45689 0:58524d569dfd 11
cha45689 0:58524d569dfd 12 char list[20][14]; //song list
csggreen 1:17913cff05a2 13 char index; //song play index
cha45689 0:58524d569dfd 14 char index_MAX; //how many song in all
csggreen 1:17913cff05a2 15 char data ;
csggreen 1:17913cff05a2 16 DigitalIn sw_in(USER_BUTTON);
cha45689 0:58524d569dfd 17
cha45689 0:58524d569dfd 18 void Player::begin(void)
cha45689 0:58524d569dfd 19 {
cha45689 0:58524d569dfd 20 DirHandle *dir;
cha45689 0:58524d569dfd 21 struct dirent *ptr;
cha45689 0:58524d569dfd 22 FileHandle *fp;
cha45689 0:58524d569dfd 23
cha45689 0:58524d569dfd 24 vs1053.reset();
cha45689 0:58524d569dfd 25 dir = opendir("/sd");
cha45689 0:58524d569dfd 26 printf("\r\n**********playing list**********\r\n");
cha45689 0:58524d569dfd 27 unsigned char i = 0,j=0;
cha45689 0:58524d569dfd 28 while(((ptr = dir->readdir()) != NULL)&&(i <20))
cha45689 0:58524d569dfd 29 {
csggreen 1:17913cff05a2 30 if(strstr(ptr->d_name,".mp3")||strstr(ptr->d_name,".MP3"))
cha45689 0:58524d569dfd 31 {
cha45689 0:58524d569dfd 32 fp =sd.open(ptr->d_name, O_RDONLY);
cha45689 0:58524d569dfd 33 if(fp != NULL)
cha45689 0:58524d569dfd 34 {
cha45689 0:58524d569dfd 35 char *byte = ptr->d_name;
csggreen 1:17913cff05a2 36 j=0;
csggreen 1:17913cff05a2 37 while(*byte){
csggreen 1:17913cff05a2 38 list[i][j++] = *byte++;
cha45689 0:58524d569dfd 39 }
cha45689 0:58524d569dfd 40 pc.printf("%2d . %s\r\n", i,list[i++]);
csggreen 1:17913cff05a2 41 //fp->close();
cha45689 0:58524d569dfd 42 }
cha45689 0:58524d569dfd 43 }
cha45689 0:58524d569dfd 44 }
cha45689 0:58524d569dfd 45 index_MAX = i-1;
cha45689 0:58524d569dfd 46 dir->closedir();
cha45689 0:58524d569dfd 47 printf("\r\n");
cha45689 0:58524d569dfd 48 }
cha45689 0:58524d569dfd 49
csggreen 1:17913cff05a2 50 void Player::stop(void){
csggreen 1:17913cff05a2 51 playerState =PS_STOP;
csggreen 1:17913cff05a2 52 }
csggreen 1:17913cff05a2 53 void Player::playfile(char n){
csggreen 1:17913cff05a2 54 playerState =PS_STOP;
csggreen 1:17913cff05a2 55 index = n;
csggreen 1:17913cff05a2 56 }
csggreen 1:17913cff05a2 57
csggreen 1:17913cff05a2 58 void Player::getsong(void){
csggreen 1:17913cff05a2 59 playfile(2);
csggreen 1:17913cff05a2 60 }
csggreen 1:17913cff05a2 61
cha45689 0:58524d569dfd 62 /* This function plays back an audio file. */
cha45689 0:58524d569dfd 63 void Player::playFile(char *file) {
cha45689 0:58524d569dfd 64 int bytes; // How many bytes in buffer left
cha45689 0:58524d569dfd 65 char n;
cha45689 0:58524d569dfd 66
cha45689 0:58524d569dfd 67 playerState = PS_PLAY;
cha45689 0:58524d569dfd 68
cha45689 0:58524d569dfd 69 vs1053.setFreq(24000000); //hight speed
csggreen 1:17913cff05a2 70
csggreen 1:17913cff05a2 71 FileHandle *fp =sd.open(file, index);
cha45689 0:58524d569dfd 72
cha45689 0:58524d569dfd 73 if(fp == NULL) {
cha45689 0:58524d569dfd 74 printf("Could not open %s\r\n",file);
cha45689 0:58524d569dfd 75
cha45689 0:58524d569dfd 76 }
cha45689 0:58524d569dfd 77 else
cha45689 0:58524d569dfd 78 {
cha45689 0:58524d569dfd 79 printf("Playing %s ...\r\n",file);
cha45689 0:58524d569dfd 80
cha45689 0:58524d569dfd 81 /* Main playback loop */
csggreen 1:17913cff05a2 82 while((bytes = fp->read(fileBuf,32768)) > 0) {
csggreen 1:17913cff05a2 83 while((bytes = fp->read(fileBuf,32000)) > 0) {
cha45689 0:58524d569dfd 84 {
cha45689 0:58524d569dfd 85 bufptr = fileBuf;
cha45689 0:58524d569dfd 86 // actual audio data gets sent to VS10xx.
cha45689 0:58524d569dfd 87 while(bytes > 0)
cha45689 0:58524d569dfd 88 {
cha45689 0:58524d569dfd 89 n = (bytes < 32)?bytes:32;
cha45689 0:58524d569dfd 90 vs1053.writeData(bufptr,n);
cha45689 0:58524d569dfd 91 bytes -= n;
cha45689 0:58524d569dfd 92 bufptr += n;
csggreen 1:17913cff05a2 93
cha45689 0:58524d569dfd 94 }
csggreen 1:17913cff05a2 95 uint8_t vol = 0x00;//set vlume
csggreen 1:17913cff05a2 96 vs1053.setVolume(vol); //set vlume
cha45689 0:58524d569dfd 97 if(playerState != PS_PLAY) //stop
cha45689 0:58524d569dfd 98 {
cha45689 0:58524d569dfd 99 fp->close();
cha45689 0:58524d569dfd 100 vs1053.softReset();
cha45689 0:58524d569dfd 101 }
csggreen 1:17913cff05a2 102
csggreen 1:17913cff05a2 103 }
csggreen 1:17913cff05a2 104 }
cha45689 0:58524d569dfd 105 }
cha45689 0:58524d569dfd 106 }
cha45689 0:58524d569dfd 107
cha45689 0:58524d569dfd 108 }
cha45689 0:58524d569dfd 109