File content as of revision 0:928e5b21896c:

#include "player.h"
#include "SDFileSystem.h"

SDFileSystem sd(D11, D12, D13, D10, "sd"); // the pinout on the mbed Cool
vs10xx vs1053(D11, D12, D13, D4, D5, D3, D6);//mosi,miso,sclk,xcs,xdcs,dreq,xreset

playerStatetype  playerState;
ctrlStatetype ctrlState;
static unsigned char fileBuf[32768];
unsigned char *bufptr;

char list[20][50];          //song list
char index = 0;      //song play index
char index_MAX;      //how many song in all
unsigned char vlume = 0x40;   //vlume
unsigned char vlumeflag = 0;  //set vlume flag

void Player::begin(void)
{
    DirHandle *dir;
    struct dirent *ptr;
    FileHandle *fp;

    vs1053.reset();
    dir = opendir("/sd");
    printf("\r\n**********playing list**********\r\n");
    unsigned char i = 0,j=0;
    while(((ptr = dir->readdir()) != NULL)&&(i <20)) {
        if(strstr(ptr->d_name,".mp3")||strstr(ptr->d_name,".MP3")) {
            fp =sd.open(ptr->d_name, O_RDONLY);
            if(fp != NULL) {
                char *byte = ptr->d_name;
                j=0;
                while(*byte) {
                    list[i][j++]  = *byte++;
                }
                printf("%2d . %s\r\n", i,list[i++]);
                fp->close();
            }
        }
    }
    index_MAX = i-1;
    dir->closedir();
    printf("\r\n");
}

/*  This function plays back an audio file.  */
void Player::playFile(char *file)
{
    int bytes;        // How many bytes in buffer left
    int n;

    playerState = PS_PLAY;

    vs1053.setFreq(24000000);     //hight speed
    FileHandle *fp =sd.open(file, O_RDONLY);
    if(fp == NULL) {
        printf("Could not open %s\r\n",file);

    } else {
        printf("Playing %s ...\r\n",file);

        /* Main playback loop */
        while((bytes = fp->read(fileBuf,32768)) > 0) {
            bufptr = fileBuf;

            // actual audio data gets sent to VS10xx.
            while(bytes > 0) {
                n = (bytes < 1)?bytes:1;
                vs1053.writeData(bufptr,n);
                bytes -= n;
                bufptr += n;
            }
        }
        /*while(playerState == PS_PAUSE);         //Pause

        if(vlumeflag) {                        //set vlume
            vs1053.setFreq(12000000);     //low speed
            vs1053.writeRegister(SPI_VOL, vlume*0x101);     //Set volume level
            vs1053.setFreq(24000000);     //higth speed
            vlumeflag = 0;  //clear flag;
        }

        if(playerState != PS_PLAY) {       //stop
            fp->close();
            vs1053.softReset();
            return;
        }*/
        fp->close();
        vs1053.softReset();
        printf("[done!]\r\n");
    }
    if(index != index_MAX)index++;
    else index = 0;
}

void Set32(unsigned char *d, unsigned int n)
{
    int i;
    for (i=0; i<4; i++) {
        *d++ = (unsigned char)n;
        n >>= 8;
    }
}