player.c

S64和VS1003的MP3播放实现的源代码/

#include "player.h"

#include "ff.h"
#include "diskio.h"

#include "vs1003.h"
#include "ch375.h"

#define BUF_SIZE   (512)

/* FatFs structures */
FATFS   fatSD; /* FatFs structure for SD */
DIR     dirSD;
FILINFO finfoSD;
FIL     filSD;

FATFS   fatUSB; /* FatFs structure for USB */
DIR     dirUSB;
FILINFO finfoUSB;
FIL     filUSB;

FIL     filHND;

unsigned int cur_file_size = 0;

unsigned char wBuff[BUF_SIZE] = {0};

/* test.txt */
/* test.mp3 */

void Player_Init(void)
{
    unsigned char res = 0;
    unsigned long len = 0;
    unsigned short br = 0;

    FATFS *fatf = &fatSD;
    FATFS *fatfUSB = &fatUSB;
    
    /* VS 1003 init */
    /* NOTE: SPI should be initialized */
    /* when init, the SPI clk speed shoud be low */
    /* no more than (1/6 * CLKI) */
    VS1003_Init();
    /* init done, the SPI clk speed can be changed up for fast operation */

    /****************************************************************************/
    /* SD */

    f_mount(DRV_SD, &fatUSB);

    /* disk_initialize(DRV_USB) will be DONE in FatFs */

    /* GET disk info for test */
    disk_ioctl(DRV_SD, MMC_GET_CSD, wBuff);
    disk_ioctl(DRV_SD, MMC_GET_CID, wBuff);
    disk_ioctl(DRV_SD, MMC_GET_OCR, wBuff);
    disk_ioctl(DRV_SD, ATA_GET_MODEL, wBuff);
    disk_ioctl(DRV_SD, GET_SECTOR_COUNT, wBuff);

    f_getfree("0:/", &len, &fatf); 
    len = len;

    /* get all the dir/file under root */
    /* test purpose */
    res = f_opendir(&dirSD, "0:/");

    /* try to find all the folders/files under ROOT */
    if (FR_OK == res)
    {
        while(1)  
        {
            res = f_readdir(&dirSD, &finfoSD);
            if ((res != FR_OK) || !finfoSD.fname[0]) 
            {
                // end of operation 
                break;
            }
        }
    }

#if 0
    /* test 1 : read txt file */
    res = f_open(&filSD, "0:/test.txt", FA_OPEN_EXISTING | FA_READ);
    if (FR_OK == res)
    {
        f_read(&filSD, wBuff, 10, &br);
        f_close(&filSD);
    }


    /* test 3 : create file */
    for (res = 0; res < 26; res ++) wBuff[res] = res + 0x41; // A ~ Z
    res = f_open(&filSD, "0:/write.txt", FA_CREATE_ALWAYS | FA_WRITE);
    if (FR_OK == res)
    {
        f_write(&filSD, wBuff, 26, &br);
        f_close(&filSD);
    }
#endif

    Player_play_file("0:/test.mp3");  /* qqqg  128kbps */
    Player_play_file("0:/test1.mp3"); /* wlzmk 320kbps */
    Player_play_file("0:/test2.mp3"); /* jht */
    //Player_play_file("0:/test3.mp3"); /* wbhh  */

    f_mount(DRV_SD, 0); /* unmount DRV_SD */

    VS1003_WAIT_RDY();
    len = VS1003_SCI_Read(SPI_HDAT0);
    VS1003_WAIT_RDY();
    len = VS1003_SCI_Read(SPI_HDAT1);
    len = len;

    /****************************************************************************/
    /* USB */
#if 1
    //VS1003_Init();

    f_mount(DRV_USB, &fatUSB);

    /* disk_initialize(DRV_USB) will be DONE in FatFs */

    /* test_dr1.txt 1.mp3 */

    res = disk_ioctl(DRV_USB, USB_GET_SIZE, wBuff);

    res = f_getfree("1:/", &len, &fatfUSB); 
    len = len;

    /* get all the dir/file under root */
    /* test purpose */
    res = f_opendir(&dirUSB, "1:/");

    /* try to find all the folders/files under ROOT */
    if (FR_OK == res)
    {
        while(1)  
        {
            res = f_readdir(&dirUSB, &finfoUSB);
            if ((res != FR_OK) || !finfoUSB.fname[0]) 
            {
                // end of operation 
                break;
            }
        }
    }

    Player_play_file("1:/duandian.mp3");
    f_mount(DRV_USB, 0); /* unmount DRV_USB */

    VS1003_WAIT_RDY();
    len = VS1003_SCI_Read(SPI_HDAT0);
    VS1003_WAIT_RDY();
    len = VS1003_SCI_Read(SPI_HDAT1);
    len = len;
#endif

}

/****************************************************************************/
/* play a complete audio file */
void Player_play_file(const char *file)
{
    unsigned char res = 0;
    unsigned long len = 0;
    unsigned short br = 0;
    unsigned long idx = 0;
    unsigned long flen = 0;

    res = f_open(&filHND, file, FA_OPEN_EXISTING | FA_READ);
    if (FR_OK == res)
    {
        flen = filHND.fsize;

        while (flen > 0)
        {
            len = 0;
            br = 0;
            idx = 0;

            f_read(&filHND, wBuff, BUF_SIZE / 2, &br); // 512

            flen -= br;
            while(br > 0)
            {
                VS1003_WAIT_RDY();
                len = (br > 32)? 32 : br  ;
                VS1003_SDI_Write(&wBuff[idx], len); 
                br  -= len;
                idx += len;
            }

        }

        f_close(&filHND);
    }
}