Sasikarn Khwanmuang / VS1053

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Fork of VS1053 by Chaiyaporn Boonyasathian

player.cpp@1:ab6777568920, 2016-12-05 (annotated)

Committer:
PloyLL
Date:
Mon Dec 05 10:36:24 2016 +0000
Revision:
1:ab6777568920
Parent:
0:58524d569dfd
Child:
2:787946147566
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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"
PloyLL 1:ab6777568920 3 #include<string.h>
cha45689 0:58524d569dfd 4
cha45689 0:58524d569dfd 5 SDFileSystem sd(D11, D12, D13, D9, "sd"); // the pinout on the mbed Cool
cha45689 0:58524d569dfd 6 vs10xx vs1053(D11, D12, D13, D6, D7, D2, D8);//mosi,miso,sclk,xcs,xdcs,dreq,xreset
cha45689 0:58524d569dfd 7 Serial pc(USBTX, USBRX);
cha45689 0:58524d569dfd 8 playerStatetype playerState;
cha45689 0:58524d569dfd 9 ctrlStatetype ctrlState;
cha45689 0:58524d569dfd 10 static unsigned char fileBuf[1024];
cha45689 0:58524d569dfd 11 unsigned char *bufptr;
cha45689 0:58524d569dfd 12
cha45689 0:58524d569dfd 13 /* This function plays back an audio file. */
PloyLL 1:ab6777568920 14 void Player::playFile(char *file){
cha45689 0:58524d569dfd 15 int bytes; // How many bytes in buffer left
cha45689 0:58524d569dfd 16 char n;
PloyLL 1:ab6777568920 17
cha45689 0:58524d569dfd 18 playerState = PS_PLAY;
cha45689 0:58524d569dfd 19 vs1053.setFreq(24000000); //hight speed
PloyLL 1:ab6777568920 20
cha45689 0:58524d569dfd 21 FileHandle *fp =sd.open(file, O_RDONLY);
PloyLL 1:ab6777568920 22 if(fp == NULL){
cha45689 0:58524d569dfd 23 printf("Could not open %s\r\n",file);
cha45689 0:58524d569dfd 24
PloyLL 1:ab6777568920 25 }else{
cha45689 0:58524d569dfd 26 printf("Playing %s ...\r\n",file);
PloyLL 1:ab6777568920 27
cha45689 0:58524d569dfd 28 /* Main playback loop */
PloyLL 1:ab6777568920 29 while((bytes = fp->read(fileBuf,512)) > 0) {
cha45689 0:58524d569dfd 30 bufptr = fileBuf;
cha45689 0:58524d569dfd 31 // actual audio data gets sent to VS10xx.
PloyLL 1:ab6777568920 32 //pc.printf("now: playing\n");
PloyLL 1:ab6777568920 33 while(bytes > 0) {
PloyLL 1:ab6777568920 34 n = (bytes < 32)?bytes:32;
cha45689 0:58524d569dfd 35 vs1053.writeData(bufptr,n);
cha45689 0:58524d569dfd 36 bytes -= n;
cha45689 0:58524d569dfd 37 bufptr += n;
PloyLL 1:ab6777568920 38 if(playerState == PS_STOP) break;
PloyLL 1:ab6777568920 39 //pc.printf("now: bype>0\n");
cha45689 0:58524d569dfd 40 }
PloyLL 1:ab6777568920 41 if(playerState == PS_STOP) break;
cha45689 0:58524d569dfd 42 }
cha45689 0:58524d569dfd 43 fp->close();
PloyLL 1:ab6777568920 44 vs1053.softReset();
cha45689 0:58524d569dfd 45 printf("[done!]\r\n");
cha45689 0:58524d569dfd 46 }
cha45689 0:58524d569dfd 47 }
cha45689 0:58524d569dfd 48
cha45689 0:58524d569dfd 49