示例#1
0
DRESULT disk_write (BYTE drv,const BYTE* buff,DWORD sector,BYTE count)
{
u8 res;

    if (drv || !count)
    {    
        return RES_PARERR;  //仅支持单磁盘操作,count不能等于0,否则返回参数错误
    }
  	if(SD_Insert_Status())
    {
        return RES_NOTRDY;  //没有检测到SD卡,报NOT READY错误
    }

    // 读写操作
    if(count == 1)
    {
        res = SD_WriteSingleBlock(sector, buff);
    }
    else
    {
        res = SD_WriteMultiBlock(sector, buff, count);
    }
    // 返回值转换
    if(res == 0)
    {
        return RES_OK;
    }
    else
    {
        return RES_ERROR;
    }
}
示例#2
0
DRESULT disk_write (
	BYTE pdrv,			/* Physical drive nmuber (0..) */
	const BYTE *buff,	/* Data to be written */
	DWORD sector,		/* Sector address (LBA) */
	UINT count			/* Number of sectors to write (1..128) */
)
{
	DRESULT res;
//	int result;

	switch (pdrv)
    {
	case SD_CARD :
		// translate the arguments here
        SD_WriteMultiBlock(sector, buff, count);
        res = RES_OK;
		return res;

	}
	return RES_PARERR;
}
示例#3
0
DRESULT disk_write (
	BYTE pdrv,			/* Physical drive nmuber (0..) */
	const BYTE *buff,	/* Data to be written */
	DWORD sector,		/* Sector address (LBA) */
	BYTE count			/* Number of sectors to write (1..128) */
)
{
    U8_T res;
 
    if (pdrv || !count)
    {   
        return RES_PARERR;  
    }
#if 0
    if(SD_ChkCard() != 1)
    {
        return RES_NOTRDY; 
    }
#endif 
    // 读写操作
    if(count == 1)
    {
        res = SD_WriteBlock(sector, buff);
    }
    else
    {
        res = SD_WriteMultiBlock(sector,count, buff);
    }
    // 返回值转换
    if(res == 0)
    {
        return RES_OK;
    }
    else
    {
        return RES_ERROR;
    }

}
DRESULT disk_write (
	BYTE drv,			/* Physical drive nmuber (0..) */
	const BYTE *buff,	/* Data to be written */
	DWORD sector,		/* Sector address (LBA) */
	BYTE count			/* Number of sectors to write (1..255) */
)
{
	u8 res;

    if (drv || !count)
    {    
        return RES_PARERR;  // only supports single disk operation, count is not equal to 0, otherwise parameter error
    }
	/*
    if(!SD_DET())
    {
        return RES_NOTRDY;  // does not detect SD card, NOT READY error reported
    }  */

    // Read and write operations
    if(count == 1)
    {
        res = SD_WriteSingleBlock(sector, buff);
    }
    else
    {
        res = SD_WriteMultiBlock(sector, buff, count);
    }
    // Return value to
    if(res == 0)
    {
        return RES_OK;
    }
    else
    {
        return RES_ERROR;
    }
}
示例#5
0
DRESULT disk_write (
	BYTE drv,			/* Physical drive nmuber (0..) */
	const BYTE *buff,	/* Data to be written */
	DWORD sector,		/* Sector address (LBA) */
	BYTE count			/* Number of sectors to write (1..255) */
)
{
	u8 res;

    if (drv || !count)
    {    
        return RES_PARERR;  //仅支持单磁盘操作,count不能等于0,否则返回参数错误
    }
    if(!SD_DET())
    {
        return RES_NOTRDY;  //没有检测到SD卡,报NOT READY错误
    }

    // 读写操作
    if(count == 1)
    {
        res = SD_WriteSingleBlock(sector, buff);
    }
    else
    {
        res = SD_WriteMultiBlock(sector, buff, count);
    }
    // 返回值转换
    if(res == 0)
    {
        return RES_OK;
    }
    else
    {
        return RES_ERROR;
    }
}
示例#6
0
文件: diskio.c 项目: shentqlf/myboot
DRESULT MMC_disk_write(u32 sector, const u8 *buff, u8 count)
{
  return ((DRESULT)(SD_WriteMultiBlock(sector,buff,count)));
}
示例#7
0
/*-----------------------------------*/
static int  WriteSectors(void * DriveData, DWORD Sector, UINT Sectors, void * Buffer)
{
    SDC_CMD_STATUS status;
    kal_uint8 retry = 0;
    kal_uint32 adrs;

#if defined(__SIM_PLUS__)
    sd_select_enum sel;

    if((MSDC_HANDLE *)DriveData == &MSDC_Blk[0])
        sel = SD_EXT;
    else
        sel = SD_SIM;
    MSDC_Switch_Card(sel);
#endif

#if defined(SD_MMC_HIGH_DENSITY_SUPPORT)
    if(gSD->flags & SD_FLAG_HCS_SUPPORT)
        adrs = Sector;
    else
#endif
        adrs = Sector * SECTOR_SIZE;
    gMSDC_Handle->timeout_count = 0;
start:
    if(!gMSDC_Handle->mIsInitialized)
    {
        //dbg_print("Write but not Initialized \r\n");
        MSDC_PDNControl(KAL_TRUE);
        return FS_MSDC_WRITE_SECTOR_ERROR;
    }
    retry++;
    MSDC_PDNControl(KAL_FALSE);
#ifndef LSD_SINGLE_WRITE
    if(Sectors > 1)
    {
        if(gMSDC_Handle->mMSDC_type == SD_CARD)
            SD_SetPreEraseBlk(Sectors);
        status = SD_WriteMultiBlock((kal_uint32)adrs,(kal_uint32*)Buffer,(kal_uint32)Sectors);
    }
    else
        status = SD_WriteSingleBlock((kal_uint32)adrs,(kal_uint32*)Buffer);
#else
    while(Sectors) {
        status = SD_WriteSingleBlock((kal_uint32)adrs,(kal_uint32*)Buffer);

        if(status != NO_ERROR )
            break;
        (kal_uint8 *)Buffer += SECTOR_SIZE;
        Sector ++;
#if defined(SD_MMC_HIGH_DENSITY_SUPPORT)
        if(gSD->flags & SD_FLAG_HCS_SUPPORT)
            adrs = Sector;
        else
#endif
            adrs = Sector * SECTOR_SIZE;

        Sectors--;
    }
#endif
    if(status != NO_ERROR)
    {
        sd_w++;
        if(kal_query_systemInit()== KAL_TRUE)
        {
            MSDC_PDNControl(KAL_TRUE);
            return FS_MSDC_WRITE_SECTOR_ERROR;
        }
        //dbg_print("write retry:%d,status:%d,total %d\r\n",retry,status,sd_w);
        if(status == ERR_CMD_TIMEOUT || status == MSDC_GPT_TIMEOUT_ERR)
            gMSDC_Handle->timeout_count++;
        if(gMSDC_Handle->timeout_count++ == 3 && gMSDC_Handle->mIsPresent == KAL_TRUE)
        {
            kal_print("[MSDC]:SD re-mount (write fail)");
            gMSDC_Handle->mIsInitialized = KAL_FALSE;
            retry = 0;
            if(SD_Initialize() != NO_ERROR)
            {
                MSDC_PDNControl(KAL_TRUE);
                return FS_MSDC_WRITE_SECTOR_ERROR;
            }
        }
        if(retry >= SD_MAX_RETRY)
        {
            MSDC_PDNControl(KAL_TRUE);
            return FS_MSDC_WRITE_SECTOR_ERROR;
        }
        else
        {
            // kal_prompt_trace(MOD_AUD,"CRC write Error retry %d",retry);
            goto start;
        }
    }
    MSDC_PDNControl(KAL_TRUE);
    return FS_NO_ERROR;
}