---------------------------------------------------------------------
        if(strcmp((const char *)eventData, SYS_FS_MEDIA_IDX2_MOUNT_NAME_VOLUME_IDX0) == 0)
        {
            SYS_CMD_MESSAGE("Mount NVM Flash success!\r\n");
        }

---------------------------------------------------------------------
    if(!strcmp( argv[1], "NVM"))
    {
        strcpy(fMedia, SYS_FS_MEDIA_IDX2_DEVICE_NAME_VOLUME_IDX0);
        strcpy(fDrive, SYS_FS_MEDIA_IDX2_MOUNT_NAME_VOLUME_IDX0);
    }

---------------------------------------------------------------------
void CommandFormat(SYS_CMD_DEVICE_NODE* pCmdIO, int argc, char** argv)
{
    SYS_FS_FORMAT_PARAM opt = { 0 };
    uint8_t CACHE_ALIGN work[512];

    SYS_FS_CurrentDriveGet( fDrive );
    opt.fmt = SYS_FS_FORMAT_FAT;
    opt.au_size = 0;
    opt.n_fat = 1;
    opt.align = 0;
    opt.n_root = 1;

    fResult = SYS_FS_DriveFormat(fDrive, &opt, (void *)work, 512);
    if(fResult == SYS_FS_RES_SUCCESS)
    {
        SYS_CMD_PRINT("Format %s success!\r\n", fDrive);				
    }
    else
    {
        SYS_CMD_PRINT("Format %s failure!\r\n", fDrive);
    }
}

---------------------------------------------------------------------
    { "format",CommandFormat,": Format Media" },

---------------------------------------------------------------------
