SGMP Coperations / VS1053

got mp3

Dependents:   greenmp3hotmark

Fork of VS1053 by SGMP Coperations

player.cpp@4:5b1bd3cca8dc, 2017-12-11 (annotated)

Committer:
csggreen
Date:
Mon Dec 11 12:29:47 2017 +0000
Revision:
4:5b1bd3cca8dc
Parent:
3:94b538ace77a
Child:
5:ce3a3ce60f30
new type

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
csggreen 4:5b1bd3cca8dc 6 Serial aa(USBTX, USBRX);
csggreen 4:5b1bd3cca8dc 7 Serial pc(D1, D0);
cha45689 0:58524d569dfd 8 playerStatetype playerState;
csggreen 4:5b1bd3cca8dc 9 static unsigned char fileBuf[48000];
cha45689 0:58524d569dfd 10 unsigned char *bufptr;
csggreen 2:a59255e80c0d 11 char green;
csggreen 4:5b1bd3cca8dc 12 bool startplaysong;
csggreen 4:5b1bd3cca8dc 13 bool playsong;
cha45689 0:58524d569dfd 14
csggreen 2:a59255e80c0d 15 char list[20][50]; //song list
csggreen 2:a59255e80c0d 16
csggreen 1:17913cff05a2 17 char data ;
csggreen 1:17913cff05a2 18 DigitalIn sw_in(USER_BUTTON);
cha45689 0:58524d569dfd 19
cha45689 0:58524d569dfd 20 void Player::begin(void)
cha45689 0:58524d569dfd 21 {
cha45689 0:58524d569dfd 22 DirHandle *dir;
cha45689 0:58524d569dfd 23 struct dirent *ptr;
cha45689 0:58524d569dfd 24 FileHandle *fp;
cha45689 0:58524d569dfd 25
cha45689 0:58524d569dfd 26 vs1053.reset();
cha45689 0:58524d569dfd 27 dir = opendir("/sd");
csggreen 4:5b1bd3cca8dc 28 //printf("\r\n**********playing list**********\r\n");
cha45689 0:58524d569dfd 29 unsigned char i = 0,j=0;
cha45689 0:58524d569dfd 30 while(((ptr = dir->readdir()) != NULL)&&(i <20))
cha45689 0:58524d569dfd 31 {
csggreen 1:17913cff05a2 32 if(strstr(ptr->d_name,".mp3")||strstr(ptr->d_name,".MP3"))
cha45689 0:58524d569dfd 33 {
cha45689 0:58524d569dfd 34 fp =sd.open(ptr->d_name, O_RDONLY);
cha45689 0:58524d569dfd 35 if(fp != NULL)
cha45689 0:58524d569dfd 36 {
cha45689 0:58524d569dfd 37 char *byte = ptr->d_name;
csggreen 1:17913cff05a2 38 j=0;
csggreen 1:17913cff05a2 39 while(*byte){
csggreen 1:17913cff05a2 40 list[i][j++] = *byte++;
csggreen 2:a59255e80c0d 41 green=i;
cha45689 0:58524d569dfd 42 }
csggreen 4:5b1bd3cca8dc 43 aa.printf("%2d . %s\r\n", i,list[i++]);
csggreen 1:17913cff05a2 44 //fp->close();
cha45689 0:58524d569dfd 45 }
cha45689 0:58524d569dfd 46 }
cha45689 0:58524d569dfd 47 }
cha45689 0:58524d569dfd 48 dir->closedir();
cha45689 0:58524d569dfd 49 }
cha45689 0:58524d569dfd 50
csggreen 3:94b538ace77a 51
csggreen 3:94b538ace77a 52
csggreen 4:5b1bd3cca8dc 53
csggreen 4:5b1bd3cca8dc 54
csggreen 4:5b1bd3cca8dc 55 /* select file by num. */
csggreen 4:5b1bd3cca8dc 56 void Player::selectfile(char n){
csggreen 4:5b1bd3cca8dc 57 startplaysong=false;
csggreen 4:5b1bd3cca8dc 58 playerState =PS_STOP;
csggreen 4:5b1bd3cca8dc 59 playsong=false;
csggreen 4:5b1bd3cca8dc 60 green = n;
csggreen 4:5b1bd3cca8dc 61 }
csggreen 4:5b1bd3cca8dc 62
csggreen 4:5b1bd3cca8dc 63
csggreen 4:5b1bd3cca8dc 64
csggreen 4:5b1bd3cca8dc 65 /* This function stop an audio file. */
csggreen 1:17913cff05a2 66 void Player::stop(void){
csggreen 4:5b1bd3cca8dc 67 startplaysong=true;
csggreen 1:17913cff05a2 68 playerState =PS_STOP;
csggreen 1:17913cff05a2 69 }
csggreen 2:a59255e80c0d 70
csggreen 4:5b1bd3cca8dc 71 void Player::run(void){
csggreen 4:5b1bd3cca8dc 72 if(pc.readable()){
csggreen 4:5b1bd3cca8dc 73
csggreen 4:5b1bd3cca8dc 74 char datainput;
csggreen 4:5b1bd3cca8dc 75
csggreen 4:5b1bd3cca8dc 76 if(datainput=='1'){
csggreen 4:5b1bd3cca8dc 77 selectfile(1);
csggreen 4:5b1bd3cca8dc 78 stop();
csggreen 4:5b1bd3cca8dc 79 }
csggreen 4:5b1bd3cca8dc 80 if(datainput=='2'){
csggreen 4:5b1bd3cca8dc 81 selectfile(2);
csggreen 4:5b1bd3cca8dc 82 stop();
csggreen 4:5b1bd3cca8dc 83 }
csggreen 4:5b1bd3cca8dc 84 }
csggreen 4:5b1bd3cca8dc 85 }
csggreen 1:17913cff05a2 86
csggreen 2:a59255e80c0d 87
csggreen 4:5b1bd3cca8dc 88
csggreen 4:5b1bd3cca8dc 89 void Player::read(void){
csggreen 4:5b1bd3cca8dc 90 pc.readable();
csggreen 4:5b1bd3cca8dc 91
csggreen 4:5b1bd3cca8dc 92 }
csggreen 4:5b1bd3cca8dc 93
csggreen 1:17913cff05a2 94
csggreen 4:5b1bd3cca8dc 95
csggreen 4:5b1bd3cca8dc 96 /* This function plays audio file. */
cha45689 0:58524d569dfd 97 void Player::playFile(char *file) {
cha45689 0:58524d569dfd 98 int bytes; // How many bytes in buffer left
cha45689 0:58524d569dfd 99 char n;
cha45689 0:58524d569dfd 100
cha45689 0:58524d569dfd 101 playerState = PS_PLAY;
cha45689 0:58524d569dfd 102
cha45689 0:58524d569dfd 103 vs1053.setFreq(24000000); //hight speed
csggreen 1:17913cff05a2 104
csggreen 2:a59255e80c0d 105 FileHandle *fp =sd.open(file, O_RDONLY);
cha45689 0:58524d569dfd 106
cha45689 0:58524d569dfd 107 if(fp == NULL) {
cha45689 0:58524d569dfd 108 printf("Could not open %s\r\n",file);
cha45689 0:58524d569dfd 109
cha45689 0:58524d569dfd 110 }
cha45689 0:58524d569dfd 111 else
cha45689 0:58524d569dfd 112 {
cha45689 0:58524d569dfd 113 printf("Playing %s ...\r\n",file);
cha45689 0:58524d569dfd 114
cha45689 0:58524d569dfd 115 /* Main playback loop */
csggreen 4:5b1bd3cca8dc 116 while((bytes = fp->read(fileBuf,48000)) > 0) {
cha45689 0:58524d569dfd 117 {
cha45689 0:58524d569dfd 118 bufptr = fileBuf;
cha45689 0:58524d569dfd 119 // actual audio data gets sent to VS10xx.
cha45689 0:58524d569dfd 120 while(bytes > 0)
cha45689 0:58524d569dfd 121 {
cha45689 0:58524d569dfd 122 n = (bytes < 32)?bytes:32;
cha45689 0:58524d569dfd 123 vs1053.writeData(bufptr,n);
cha45689 0:58524d569dfd 124 bytes -= n;
cha45689 0:58524d569dfd 125 bufptr += n;
csggreen 1:17913cff05a2 126
cha45689 0:58524d569dfd 127 }
csggreen 1:17913cff05a2 128 uint8_t vol = 0x00;//set vlume
csggreen 1:17913cff05a2 129 vs1053.setVolume(vol); //set vlume
csggreen 2:a59255e80c0d 130
cha45689 0:58524d569dfd 131 if(playerState != PS_PLAY) //stop
cha45689 0:58524d569dfd 132 {
cha45689 0:58524d569dfd 133 fp->close();
cha45689 0:58524d569dfd 134 vs1053.softReset();
cha45689 0:58524d569dfd 135 }
csggreen 1:17913cff05a2 136
csggreen 1:17913cff05a2 137 }
cha45689 0:58524d569dfd 138 }
cha45689 0:58524d569dfd 139 }
cha45689 0:58524d569dfd 140
cha45689 0:58524d569dfd 141 }
cha45689 0:58524d569dfd 142