/* Read Sector(s) */
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
SD_Error Status;
if (!count) return RES_PARERR; //count不能等于0，否则返回参数错误
if(drv==0)
{
switch(SD_Mode)
{
case 0: //dma方式
if(count==1)// 1个sector的读操作
{
Status = SD_ReadBlock(sector << 9,(u32 *)(&buff[0]),BlockSize);//sector<<9 扇区地址转为字节地址 一个扇区512字节
}
else //多个sector的读操作
{
Status = SD_ReadMultiBlocks(sector << 9,(u32 *)(&buff[0]),BlockSize,count);
}
break;
case 1: //中断方式
if(count==1) // 1个sector的读操作
{
Status = SD_ReadBlock(sector<<9,(u32 *)(&buff[0]),BlockSize);
}
else //多个sector的读操作
{
Status = SD_ReadMultiBlocks(sector<<9 ,(u32 *)(&buff[0]),BlockSize,count);
}
break;
default:
Status=SD_ERROR;
}
//处理返回值，将sdcard.c的返回值转成ff.c的返回值
if(Status == SD_OK)
return RES_OK;
else
return RES_ERROR;
}
else//仅支持磁盘0的操作
{
return RES_ERROR;
}
}
/*******************************************************************************
* Function Name : MAL_Read
* Description : Read sectors
* Input : None
* Output : None
* Return : Buffer pointer
*******************************************************************************/
uint16_t MAL_Read(uint8_t lun, uint32_t Memory_Offset, uint32_t *Readbuff, uint16_t Transfer_Length)
{
switch (lun)
{
case 0:
#ifdef USE_STM3210E_EVAL
Status = SD_ReadBlock(Memory_Offset, Readbuff, Transfer_Length);
if ( Status != SD_OK )
{
return MAL_FAIL;
}
#else
MSD_ReadBlock((uint8_t*)Readbuff, Memory_Offset, Transfer_Length);
#endif
break;
#ifdef USE_FSMC_NAND
case 1:
NAND_Read(Memory_Offset, Readbuff, Transfer_Length);
break;
#endif
default:
return MAL_FAIL;
}
return MAL_OK;
}
/**
* @brief Tests the SD card Single Blocks operations.
* @param None
* @retval None
*/
static void SD_SingleBlockTest(void)
{
SD_Error status;
/*---------------Block Read/Write----------------*/
/* Fill the buffer to send */
Fill_Buffer(aBuffer_Block_Tx, BLOCK_SIZE, 0x320F);
/* Write Block of 512 bytes on address 0 */
status = SD_WriteBlock(aBuffer_Block_Tx, 0x00, BLOCK_SIZE);
/* check if the Transfer finished */
status = SD_WaitWriteOperation();
while(SD_GetStatus() != SD_TRANSFER_OK);
if(status == SD_OK)
{
/* Read Block of 512 bytes on address 0 */
status = SD_ReadBlock(aBuffer_Block_Rx, 0x00, BLOCK_SIZE);
/* check if the Transfer finished */
status = SD_WaitReadOperation();
while(SD_GetStatus() != SD_TRANSFER_OK);
}
/* Check the correctness of written data */
if(status == SD_OK)
{
TransferStatus1 = Buffercmp(aBuffer_Block_Tx, aBuffer_Block_Rx,BLOCK_SIZE);
}
if(TransferStatus1 == PASSED) printf("SD single block test passed!\n\r");
}
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
UINT count /* Number of sectors to read (1..128) */
)
{
SD_Error Status;
if(pdrv || !count)
return RES_PARERR;
if(count==1)
Status = SD_ReadBlock(buff ,sector<< 9 , SDCardInfo.CardBlockSize );
else
Status = SD_ReadMultiBlocks(buff ,sector<< 9 ,SDCardInfo.CardBlockSize,count);
/* Check if the Transfer is finished */
Status = SD_WaitReadOperation();
while(SD_GetStatus() != SD_TRANSFER_OK);
if(Status == SD_OK)
return RES_OK;
else
return RES_ERROR;
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
if(count==1)
{
err1 = SD_ReadBlock( &buff[0], sector , SECTOR_SIZE );
SD_WaitReadOperation();
while(SD_GetStatus() != SD_TRANSFER_OK);
}
else
{
err1 = SD_ReadMultiBlocks( &buff[0] , sector ,SECTOR_SIZE , count );
SD_WaitReadOperation();
while(SD_GetStatus() != SD_TRANSFER_OK);
}
if( err1 == SD_OK)
return RES_OK;
else
return RES_ERROR;
}
/*******************************************************************************
* Function Name : MAL_Init
* Description : Initializes the Media on the STM32
* 功能 : 储存介质初始化
* Input : None
* Output : None
* Return : None
*******************************************************************************/
uint16_t MAL_Init(uint8_t lun)
{
uint16_t status = MAL_OK;
switch (lun)
{
case 0:
Status = SD_Init();
Status = SD_GetCardInfo(&SDCardInfo);
Status = SD_SelectDeselect((uint32_t) (SDCardInfo.RCA << 16));
Status = SD_EnableWideBusOperation(SDIO_BusWide_4b);
Status = SD_SetDeviceMode(SD_DMA_MODE);
if (Status == SD_OK)
{
// 从地址0开始读取512字节
Status = SD_ReadBlock(Buffer_Block_Rx, 0x00, BlockSize);
}
if (Status == SD_OK)
{
// 返回成功的话，串口输出SD卡测试成功信息
DbgPrintf(" \n SD SDIO-4bit模式 TF OK");
}
break;
default:
return MAL_FAIL;
}
return status;
}
/*******************************************************************************
* Function Name : MAL_Read
* Description : Read sectors
* Input : None
* Output : None
* Return : Buffer pointer
*******************************************************************************/
uint16_t MAL_Read(uint8_t lun, uint32_t Memory_Offset, uint32_t *Readbuff, uint16_t Transfer_Length)
{
switch (lun)
{
case 0:
// SD_ReadMultiBlocks((uint8_t*)Readbuff, Memory_Offset, Transfer_Length, 1);
SD_ReadBlock((uint8_t*)Readbuff, Memory_Offset, Transfer_Length);
Status = SD_WaitReadOperation();
while(SD_GetStatus() != SD_TRANSFER_OK)
{
}
// Status = SD_WaitWriteOperation();
// while(SD_GetStatus() != SD_TRANSFER_OK);
if ( Status != SD_OK )
{
return MAL_FAIL;
}
break;
// case 1:
// NAND_Read(Memory_Offset, Readbuff, Transfer_Length);
// ;
// break;
default:
return MAL_FAIL;
}
return MAL_OK;
}
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address in LBA */
BYTE count /* Number of sectors to read */
)
{
DRESULT res;
int result;
pdrv = pdrv;
if(!count)
{
res = RES_PARERR;
return (res);
}
result = SD_ReadBlock(buff, sector, count);
if(0 == result)
{
res = RES_OK;
}
else
{
res = RES_ERROR;
}
return (res);
}
DRESULT disk_readp (
BYTE* dest, /* Pointer to the destination object */
DWORD sector, /* Sector number (LBA) */
WORD sofs, /* Offset in the sector */
WORD count /* Byte count (bit15:destination) */
)
{
DRESULT res;
// Put your code here
if( g_BufLBA == sector )
{
memcpy( dest, g_Buf + sofs, count );
}
else
{
SD_ReadBlock( &sdDrv, sector, 1, g_Buf );
memcpy( dest, g_Buf + sofs, count );
g_BufLBA = sector;
}
res = RES_OK;
return res;
}
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address in LBA */
UINT count /* Number of sectors to read */
)
{
if(count>1)
{
SD_ReadMultiBlocks(buff, sector*BLOCK_SIZE, BLOCK_SIZE, count);
// check transfer finished
SD_WaitReadOperation();
// wait the DMA transfer finished
while(SD_GetStatus() != SD_TRANSFER_OK);
}
else
{
SD_ReadBlock(buff, sector*BLOCK_SIZE, BLOCK_SIZE);
// check transfer finished
SD_WaitReadOperation();
// wait the DMA transfer finished
while(SD_GetStatus() != SD_TRANSFER_OK);
}
return RES_OK;
}
/*******************************************************************************
* Function Name : MAL_Init
* Description : Initializes the Media on the STM32
* Input : None
* Output : None
* Return : None
*******************************************************************************/
uint16_t MAL_Init(uint8_t lun)
{
uint16_t status = MAL_OK;
switch (lun)
{
case 0:
#ifdef USE_STM3210E_EVAL
Status = SD_Init();
Status = SD_GetCardInfo(&SDCardInfo);
Status = SD_SelectDeselect((uint32_t) (SDCardInfo.RCA << 16));
Status = SD_EnableWideBusOperation(SDIO_BusWide_4b);
Status = SD_SetDeviceMode(SD_DMA_MODE);
if (Status == SD_OK)
{
//Status = SD_ReadMultiBlocks(0x00, Buffer_MultiBlock_Rx, BlockSize, NumberOfBlocks1);
// printf("\r\nSD SDIO-4bit模式 测试TF卡读写成功！ \n ");
}
if (Status == SD_OK)
{
// Read block of 512 bytes from address 0
Status = SD_ReadBlock(0x00, Buffer_Block_Rx, BlockSize);
}
if (Status == SD_OK)
{
// Check the corectness of written dada
printf("\r\nSD SDIO-4bit模式 测试TF卡读写成功！ \n ");
}
#else
MSD_Init();
#endif
break;
#ifdef USE_STM3210E_EVAL
case 1:
status = NAND_Init();
break;
#endif
default:
return MAL_FAIL;
}
return status;
}
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
UINT count /* Number of sectors to read (1..128) */
)
{
/*DRESULT res;
int result;
switch (pdrv) {
case ATA :
// translate the arguments here
result = ATA_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case MMC :
// translate the arguments here
result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case USB :
// translate the arguments here
result = USB_disk_read(buff, sector, count);
// translate the reslut code here
return res;
}
return RES_PARERR;*/
DRESULT res = RES_ERROR;
SD_Error error = SD_OK;
sector *= 512;
if (pdrv == MMC) {
while (count > 0 && error == SD_OK) {
error = SD_ReadBlock((uint8_t*)buff, sector, 512);
sector += 512;
buff += 512;
--count;
}
if (error == SD_OK) {
res = RES_OK;
}
}
return res;
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
u8 res=0;
if (!count)return RES_PARERR;//count不能等于0，否则返回参数错误
switch(drv)
{
case SD_CARD://SD卡
if (count > 1)
{
SD_ReadMultiBlocks(buff, sector*BLOCK_SIZE, BLOCK_SIZE, count);
/* Check if the Transfer is finished */
SD_WaitReadOperation(); //循环查询dma传输是否结束
/* Wait until end of DMA transfer */
while(SD_GetStatus() != SD_TRANSFER_OK);
}
else
{
SD_ReadBlock(buff, sector*BLOCK_SIZE, BLOCK_SIZE);
/* Check if the Transfer is finished */
SD_WaitReadOperation(); //循环查询dma传输是否结束
/* Wait until end of DMA transfer */
while(SD_GetStatus() != SD_TRANSFER_OK);
}
break;
case EX_FLASH://外部flash
for(;count>0;count--)
{
SPI_Flash_Read(buff,sector*BLOCK_SIZE,BLOCK_SIZE);
sector++;
buff+=BLOCK_SIZE;
}
res=0;
break;
default:
res=1;
}
//处理返回值，将SPI_SD_driver.c的返回值转成ff.c的返回值
if(res==0x00)return RES_OK;
else return RES_ERROR;
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f0xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
*/
/* Initialize Leds mounted on STM320518-EVAL board */
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
/* Initializes the SD/SPI communication */
Status = SD_Init();
/* If SD is responding */
if (Status == SD_RESPONSE_NO_ERROR)
{
/* Fill the buffer to send */
Fill_Buffer(Buffer_Block_Tx, BUFFERSIZE, 0x0);
/* Write block of 512 bytes on address 0 */
Status = SD_WriteBlock(Buffer_Block_Tx, 0, BUFFERSIZE);
/* Read block of 512 bytes from address 0 */
Status = SD_ReadBlock(Buffer_Block_Rx, 0, BUFFERSIZE);
/* Check the corectness of written dada */
TransferStatus = Buffercmp(Buffer_Block_Tx, Buffer_Block_Rx, BUFFERSIZE);
if (TransferStatus == PASSED)
{
/* OK: Turn on LD1 */
STM_EVAL_LEDOn(LED1);
}
else
{
/* Error: Turn on LD2 */
STM_EVAL_LEDOn(LED2);
}
}
else
{
/* Error: Turn on LD2 */
STM_EVAL_LEDOn(LED2);
}
while (1)
{
}
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
SD_Error Status = SD_OK;
switch(drv)
{
case SD_CARD://SD卡
//SD卡开始----------------------------------------
if (count == 1)
{
Status = SD_ReadBlock(buff, sector << 9 , SECTOR_SIZE);
}
else
{
Status = SD_ReadMultiBlocks(buff, sector << 9 , SECTOR_SIZE, count);
}
//SD卡结束----------------------------------------
break;
case EX_FLASH://外部flash
for(;count>0;count--)
{
SPI_Flash_Read(buff,sector*SECTOR_SIZE,SECTOR_SIZE);
sector++;
buff+=SECTOR_SIZE;
}
Status=SD_OK;
break;
default:
Status=SD_ERROR;
}
if (Status == SD_OK)
{
return RES_OK;
}
else
{
printf("Err: SD_ReadMultiBlocks(,%d,%d)\r\n",sector,count);
return RES_ERROR;
}
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
if(count==1)
{
SD_ReadBlock((u32 *)(&buff[0]),sector << 9 ,SECTOR_SIZE);
}
return RES_OK;
}
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..128) */
)
{
DRESULT res;
int result;
//result = MMC_disk_read(buff, sector, count);
SD_ReadBlock(buff, sector*512, count*512);
return 0;
}
//===================================================================
// User-supplied functions
uint32_t DFS_ReadSector(uint8_t unit, uint8_t *buffer, uint32_t sector, uint32_t count)
{
SD_Error Status = SD_OK;
u32 *buffer32;
buffer32 = (u32*)buffer;
Status = SD_ReadBlock(sector << 9 , buffer32, SECTOR_SIZE);
if (Status == SD_OK)
return 0;
else
return 1;
}
BOOL SD_BS_Driver::ReadSector(SectorAddress Address, UINT32 Offset, UINT32 NumBytes, BYTE *pSectorBuff, UINT32 BytesPerSector)
{
__IO SD_Error errorstatus = SD_OK;
errorstatus = SD_ReadBlock(pSectorBuff, ((Address * BytesPerSector) + Offset), BytesPerSector);
while(SD_GetStatus() != SD_TRANSFER_OK);
//CPU_FlushCaches();
if(errorstatus == SD_OK)
return TRUE;
else
return FALSE;
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
/* Clock configuration -----------------------------------------*/
CLK_Config();
/* GPIO Configuration ------------------------------------------*/
GPIO_Config();
/***********************SPI and MSD Card initialization******************/
while (SD_Detect() == SD_NOT_PRESENT);
{
/* Wait MicroSD card insertion */
}
Delay(0xFFFF);
/* Init the flash micro SD*/
Status = SD_Init();
/***************************Block Read/Write******************************/
/* Write block of 512 bytes on address 0 */
SD_WriteBlock(TxBuffer, 0, BUFFER_SIZE);
/* Read block of 512 bytes from address 0 */
SD_ReadBlock(RxBuffer, 0, BUFFER_SIZE);
/* Check data */
TransferStatus = Buffercmp(TxBuffer, RxBuffer, BUFFER_SIZE);
if (TransferStatus != SUCCESS)
{
while (1) /* Go to infinite loop when there is mismatch in data programming*/
{
STM_EVAL_LEDToggle(LED1);
Delay((uint16_t)0xFFFF);
Delay((uint16_t)0xFFFF);
}
}
while (1)
{
STM_EVAL_LEDToggle(LED1);
STM_EVAL_LEDToggle(LED2);
STM_EVAL_LEDToggle(LED3);
STM_EVAL_LEDToggle(LED4);
Delay((uint16_t)0xFFFF);
Delay((uint16_t)0xFFFF);
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
/* High speed internal clock prescaler: 1*/
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_1);
/* Initialize I/Os in Output Mode for LEDs */
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/***********************SPI and MSD Card initialization******************/
while (SD_Detect() == SD_NOT_PRESENT);
{
/* Wait MicroSD card insertion */
}
Delay(0xFFFF);
/* Init the flash micro SD*/
Status = SD_Init();
/***************************Block Read/Write******************************/
/* Write block of 512 bytes on address 0 */
SD_WriteBlock(TxBuffer, 0, BUFFER_SIZE);
/* Read block of 512 bytes from address 0 */
SD_ReadBlock(RxBuffer, 0, BUFFER_SIZE);
/* Check data */
TransferStatus = Buffercmp(TxBuffer, RxBuffer, BUFFER_SIZE);
if (TransferStatus != SUCCESS)
{
while (1) /* Go to infinite loop when there is mismatch in data programming*/
{
STM_EVAL_LEDToggle(LED1);
Delay((uint16_t)0xFFFF);
}
}
while (1)
{
STM_EVAL_LEDToggle(LED1);
STM_EVAL_LEDToggle(LED2);
STM_EVAL_LEDToggle(LED3);
STM_EVAL_LEDToggle(LED4);
Delay((uint16_t)0xFFFF);
}
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
SD_Error Status;
if(count==1)Status = SD_ReadBlock( buff ,sector<< 9 , SDCardInfo.CardBlockSize );
else Status = SD_ReadMultiBlocks( buff ,sector<< 9 ,SDCardInfo.CardBlockSize,count);
//Status = SD_WaitReadOperation();
//while(SD_GetStatus() != SD_TRANSFER_OK);
if(Status == SD_OK)return RES_OK;
else return RES_ERROR;
}
/*******************************************************************************
* Function Name : MAL_Read
* Description : Read sectors
* Input : None
* Output : None
* Return : Buffer pointer
*******************************************************************************/
uint16_t MAL_Read(uint8_t lun, uint32_t Memory_Offset, uint32_t *Readbuff, uint16_t Transfer_Length) {
switch (lun) {
case 0:
Status = SD_ReadBlock(Memory_Offset, Readbuff, Transfer_Length);
if ( Status != SD_OK ) return MAL_FAIL;
break;
case 1:
NAND_Read(Memory_Offset, Readbuff, Transfer_Length);
printf("\r\nTransfer_Length_r = %d",Transfer_Length);
break;
default:
return MAL_FAIL;
}
return MAL_OK;
}
/* Read Sector(s) */
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
//printf("Disk read: Drive %x, Sector: %x, Count: %x\r\n", drv, sector, count);
SD_Error Status;
//uint32_t timeout = 1000000;
if (!count) return RES_PARERR;
if(drv==0)
{
//DMA
// Status = SD_ReadMultiBlocks(buff, (uint32_t)(sector*512), BlockSize, count);
// Status = SD_WaitReadOperation();
// while(SD_GetStatus() != SD_TRANSFER_OK)
// {
// if(timeout-- == 0)
// {
// printf("SDIO Timeout\r\n");
// return RES_ERROR;
// }
// }
//Polling
for(int i = 0; i < count; i++)
{
Status = SD_ReadBlock((BYTE*)(((uintptr_t)buff)+BlockSize*i), (uint32_t)(sector*BlockSize), BlockSize);
while(SD_GetStatus() != SD_TRANSFER_OK);
if(Status != SD_OK)
return RES_ERROR;
}
if(Status == SD_OK)
return RES_OK;
else
return RES_ERROR;
}
else
return RES_ERROR;
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
SD_Error Status;
if( !count )
{
return RES_PARERR; /* count不能等于0，否则返回参数错误 */
}
switch (drv)
{
case 0:
if(count==1) /* 1个sector的读操作 */
{
Status = SD_ReadBlock( buff ,sector << 9 , SDCardInfo.CardBlockSize );
}
else /* 多个sector的读操作 */
{
Status = SD_ReadMultiBlocks( buff ,sector << 9 ,SDCardInfo.CardBlockSize,count);
}
if(Status == SD_OK)
{
return RES_OK;
}
else
{
return RES_ERROR;
}
case 1:
break;
case 2:
break;
default:
break;
}
return RES_ERROR;
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
SD_Error Status;
if( !count )
{
return RES_PARERR; /* count不能等于0，否则返回参数错误 */
}
switch (drv)
{
case 0:
if(count==1) /* 1个sector的读操作 */
{
//Status = SD_ReadBlock( buff ,sector<< 9 , SDCardInfo.CardBlockSize );
Status = SD_ReadBlock( buff ,sector<< 9 , 512);
}
else /* 多个sector的读操作 */
{
//Status = SD_ReadMultiBlocks( buff ,sector<< 9 ,SDCardInfo.CardBlockSize,count);
Status = SD_ReadMultiBlocks( buff ,sector<< 9 , 512 ,count);
}
/* Check if the Transfer is finished */
//Status = SD_WaitReadOperation();
while(SD_GetStatus() != SD_TRANSFER_OK);
if(Status == SD_OK)
{
return RES_OK;
}
else
{
return RES_ERROR;
}
case 1:
break;
case 2:
break;
default:
break;
}
return RES_ERROR;
}
/****************************************************************************
* 名 称：void SD_TEST(void)
* 功 能：SD卡测试函数
* 入口参数：无
* 出口参数：无
* 说 明：
* 调用方法：无
****************************************************************************/
void SD_TEST(void){
Status = SD_Init();
Status = SD_GetCardInfo(&SDCardInfo);
Status = SD_SelectDeselect((uint32_t) (SDCardInfo.RCA << 16));
Status = SD_EnableWideBusOperation(SDIO_BusWide_4b);
Status = SD_SetDeviceMode(SD_DMA_MODE);
if (Status == SD_OK)
{
// 从地址0开始读取512字节
Status = SD_ReadBlock(Buffer_Block_Rx, 0x00, 512);
}
if (Status == SD_OK)
{
// 返回成功的话，串口输出SD卡测试成功信息
USART_OUT(USART1,"\r\nSD SDIO-4bit模式 测试TF卡成功！ \n ");
}
}
uint16_t MAL_Read(uint8_t lun, uint64_t Memory_Offset, uint32_t *Readbuff, uint16_t Transfer_Length)
{
switch (lun)
{
case 0:
Status = SD_ReadBlock((uint8_t*)Readbuff, Memory_Offset, Transfer_Length);
if ( Status != SD_OK )
{
return MAL_FAIL;
}
break;
default:
return MAL_FAIL;
}
return MAL_OK;
}
/**
* @brief Tests the SD card Single Blocks operations.
* @param None
* @retval None
*/
void SD_SingleBlockTest(void)
{
/*------------------- Block Read/Write --------------------------*/
/* Fill the buffer to send */
Fill_Buffer(Buffer_Block_Tx, BLOCK_SIZE, 0x320F);
if (Status == SD_OK)
{
/* Write block of 512 bytes on address 0 */
Status = SD_WriteBlock(Buffer_Block_Tx, 0x00, BLOCK_SIZE);
/* Check if the Transfer is finished */
Status = SD_WaitWriteOperation();
while(SD_GetStatus() != SD_TRANSFER_OK);
}
if (Status == SD_OK)
{
/* Read block of 512 bytes from address 0 */
Status = SD_ReadBlock(Buffer_Block_Rx, 0x00, BLOCK_SIZE);
/* Check if the Transfer is finished */
Status = SD_WaitReadOperation();
while(SD_GetStatus() != SD_TRANSFER_OK);
}
/* Check the correctness of written data */
if (Status == SD_OK)
{
TransferStatus1 = Buffercmp(Buffer_Block_Tx, Buffer_Block_Rx, BLOCK_SIZE);
}
if(TransferStatus1 == PASSED)
{
STM_EVAL_LEDOn(LED2);
LCD_DisplayStringLine(LCD_LINE_2, "Passed");
}
else
{
STM_EVAL_LEDOff(LED2);
STM_EVAL_LEDOn(LED4);
LCD_DisplayStringLine(LCD_LINE_2, "failed");
}
}
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
BYTE count /* Number of sectors to read (1..255) */
)
{
//memset(buff2, 0, sizeof(buff2));
if(count==1)
{
SD_ReadBlock(sector << 9 ,(u32 *)(&buff[0]),BlockSize);
//memcpy(buff,buff2,SECTOR_SIZE);
}
else
{
SD_ReadMultiBlocks(sector << 9 ,(u32 *)(&buff[0]),BlockSize,count);
//memcpy(buff,buff2,SECTOR_SIZE * count);
}
return RES_OK;
}