STM324x9I EVAL SD Private Functions

Functions
uint8_t	BSP_SD_Init (void)
	Initializes the SD card device.
uint8_t	BSP_SD_ITConfig (void)
	Configures Interrupt mode for SD detection pin.
uint8_t	BSP_SD_IsDetected (void)
	Detects if SD card is correctly plugged in the memory slot or not.
void	BSP_SD_DetectIT (void)
	SD detect IT treatment.
__weak void	BSP_SD_DetectCallback (void)
	SD detect IT detection callback.
uint8_t	BSP_SD_ReadBlocks (uint32_t *pData, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumOfBlocks)
	Reads block(s) from a specified address in an SD card, in polling mode.
uint8_t	BSP_SD_WriteBlocks (uint32_t *pData, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumOfBlocks)
	Writes block(s) to a specified address in an SD card, in polling mode.
uint8_t	BSP_SD_ReadBlocks_DMA (uint32_t *pData, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumOfBlocks)
	Reads block(s) from a specified address in an SD card, in DMA mode.
uint8_t	BSP_SD_WriteBlocks_DMA (uint32_t *pData, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumOfBlocks)
	Writes block(s) to a specified address in an SD card, in DMA mode.
uint8_t	BSP_SD_Erase (uint64_t StartAddr, uint64_t EndAddr)
	Erases the specified memory area of the given SD card.
void	BSP_SD_IRQHandler (void)
	Handles SD card interrupt request.
void	BSP_SD_DMA_Tx_IRQHandler (void)
	Handles SD DMA Tx transfer interrupt request.
void	BSP_SD_DMA_Rx_IRQHandler (void)
	Handles SD DMA Rx transfer interrupt request.
HAL_SD_TransferStateTypedef	BSP_SD_GetStatus (void)
	Gets the current SD card data status.
void	BSP_SD_GetCardInfo (HAL_SD_CardInfoTypedef *CardInfo)
	Get SD information about specific SD card.

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Function Documentation

__weak void BSP_SD_DetectCallback

(

void

)

SD detect IT detection callback.

Definition at line 236 of file stm324x9i_eval_sd.c.

Referenced by BSP_SD_DetectIT().

void BSP_SD_DetectIT

(

void

)

SD detect IT treatment.

Definition at line 222 of file stm324x9i_eval_sd.c.

References BSP_IO_ITClear(), BSP_SD_DetectCallback(), and BSP_SD_ITConfig().

void BSP_SD_DMA_Rx_IRQHandler

(

void

)

Handles SD DMA Rx transfer interrupt request.

Definition at line 486 of file stm324x9i_eval_sd.c.

References uSdHandle.

void BSP_SD_DMA_Tx_IRQHandler

(

void

)

Handles SD DMA Tx transfer interrupt request.

Definition at line 478 of file stm324x9i_eval_sd.c.

References uSdHandle.

uint8_t BSP_SD_Erase	(	uint64_t	StartAddr,
		uint64_t	EndAddr
	)

Erases the specified memory area of the given SD card.

Parameters:

StartAddr,:	Start byte address
EndAddr,:	End byte address

Return values:

SD

status

Definition at line 357 of file stm324x9i_eval_sd.c.

References MSD_ERROR, MSD_OK, and uSdHandle.

void BSP_SD_GetCardInfo

(

HAL_SD_CardInfoTypedef *

CardInfo

)

Get SD information about specific SD card.

Parameters:

CardInfo,:

Pointer to HAL_SD_CardInfoTypedef structure

Definition at line 508 of file stm324x9i_eval_sd.c.

References uSdHandle.

HAL_SD_TransferStateTypedef BSP_SD_GetStatus

(

void

)

Gets the current SD card data status.

Return values:

Data	transfer state. This value can be one of the following values: SD_TRANSFER_OK: No data transfer is acting SD_TRANSFER_BUSY: Data transfer is acting SD_TRANSFER_ERROR: Data transfer error

Definition at line 499 of file stm324x9i_eval_sd.c.

References uSdHandle.

uint8_t BSP_SD_Init

(

void

)

Initializes the SD card device.

Return values:

SD

status

Definition at line 144 of file stm324x9i_eval_sd.c.

References BSP_IO_Init(), BSP_SD_IsDetected(), MSD_ERROR, MSD_OK, SD_MspInit(), SD_PRESENT, uSdCardInfo, and uSdHandle.

void BSP_SD_IRQHandler

(

void

)

Handles SD card interrupt request.

Definition at line 470 of file stm324x9i_eval_sd.c.

References uSdHandle.

uint8_t BSP_SD_IsDetected

(

void

)

Detects if SD card is correctly plugged in the memory slot or not.

Return values:

Returns

if SD is detected or not

Definition at line 207 of file stm324x9i_eval_sd.c.

References BSP_IO_ReadPin(), SD_DETECT_PIN, SD_NOT_PRESENT, and SD_PRESENT.

Referenced by BSP_SD_Init().

uint8_t BSP_SD_ITConfig

(

void

)

Configures Interrupt mode for SD detection pin.

Return values:

Returns

0

Definition at line 195 of file stm324x9i_eval_sd.c.

References BSP_IO_ConfigPin(), and SD_DETECT_PIN.

Referenced by BSP_SD_DetectIT().

uint8_t BSP_SD_ReadBlocks	(	uint32_t *	pData,
		uint64_t	ReadAddr,
		uint32_t	BlockSize,
		uint32_t	NumOfBlocks
	)

Reads block(s) from a specified address in an SD card, in polling mode.

Parameters:

pData,:	Pointer to the buffer that will contain the data to transmit
ReadAddr,:	Address from where data is to be read
BlockSize,:	SD card data block size, that should be 512
NumOfBlocks,:	Number of SD blocks to read

Return values:

SD

status

Definition at line 251 of file stm324x9i_eval_sd.c.

References MSD_ERROR, MSD_OK, and uSdHandle.

uint8_t BSP_SD_ReadBlocks_DMA	(	uint32_t *	pData,
		uint64_t	ReadAddr,
		uint32_t	BlockSize,
		uint32_t	NumOfBlocks
	)

Reads block(s) from a specified address in an SD card, in DMA mode.

Parameters:

pData,:	Pointer to the buffer that will contain the data to transmit
ReadAddr,:	Address from where data is to be read
BlockSize,:	SD card data block size, that should be 512
NumOfBlocks,:	Number of SD blocks to read

Return values:

SD

status

Definition at line 291 of file stm324x9i_eval_sd.c.

References MSD_ERROR, MSD_OK, SD_DATATIMEOUT, and uSdHandle.

uint8_t BSP_SD_WriteBlocks	(	uint32_t *	pData,
		uint64_t	WriteAddr,
		uint32_t	BlockSize,
		uint32_t	NumOfBlocks
	)

Writes block(s) to a specified address in an SD card, in polling mode.

Parameters:

pData,:	Pointer to the buffer that will contain the data to transmit
WriteAddr,:	Address from where data is to be written
BlockSize,:	SD card data block size, that should be 512
NumOfBlocks,:	Number of SD blocks to write

Return values:

SD

status

Definition at line 271 of file stm324x9i_eval_sd.c.

References MSD_ERROR, MSD_OK, and uSdHandle.

uint8_t BSP_SD_WriteBlocks_DMA	(	uint32_t *	pData,
		uint64_t	WriteAddr,
		uint32_t	BlockSize,
		uint32_t	NumOfBlocks
	)

Writes block(s) to a specified address in an SD card, in DMA mode.

Parameters:

pData,:	Pointer to the buffer that will contain the data to transmit
WriteAddr,:	Address from where data is to be written
BlockSize,:	SD card data block size, that should be 512
NumOfBlocks,:	Number of SD blocks to write

Return values:

SD

status

Definition at line 325 of file stm324x9i_eval_sd.c.

References MSD_ERROR, MSD_OK, SD_DATATIMEOUT, and uSdHandle.