STM32446E EVAL SD Private Functions

Functions
uint8_t	BSP_SD_Init (void)
	Initializes the SD card device.
uint8_t	BSP_SD_DeInit (void)
	DeInitializes 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.
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.
__weak void	BSP_SD_MspInit (SD_HandleTypeDef *hsd, void *Params)
	Initializes the SD MSP.
__weak void	BSP_SD_MspDeInit (SD_HandleTypeDef *hsd, void *Params)
	DeInitializes the SD MSP.
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

uint8_t BSP_SD_DeInit

(

void

)

DeInitializes the SD card device.

Return values:

SD

status

Definition at line 199 of file stm32446e_eval_sd.c.

References BSP_IO_ConfigPin(), BSP_SD_MspDeInit(), MSD_ERROR, MSD_OK, uSdHandle, and UseExtiModeDetection.

void BSP_SD_DMA_Rx_IRQHandler

(

void

)

Handles SD DMA Rx transfer interrupt request.

Definition at line 556 of file stm32446e_eval_sd.c.

References uSdHandle.

void BSP_SD_DMA_Tx_IRQHandler

(

void

)

Handles SD DMA Tx transfer interrupt request.

Definition at line 548 of file stm32446e_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 381 of file stm32446e_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 578 of file stm32446e_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 569 of file stm32446e_eval_sd.c.

References uSdHandle.

uint8_t BSP_SD_Init

(

void

)

Initializes the SD card device.

Return values:

SD

status

Definition at line 145 of file stm32446e_eval_sd.c.

References BSP_IO_ConfigPin(), BSP_IO_Init(), BSP_SD_IsDetected(), BSP_SD_MspInit(), MSD_ERROR, MSD_ERROR_SD_NOT_PRESENT, MSD_OK, SD_PRESENT, uSdCardInfo, and uSdHandle.

void BSP_SD_IRQHandler

(

void

)

Handles SD card interrupt request.

Definition at line 540 of file stm32446e_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 240 of file stm32446e_eval_sd.c.

References BSP_IO_ConfigPin(), BSP_IO_ReadPin(), SD_NOT_PRESENT, SD_PRESENT, and UseExtiModeDetection.

Referenced by BSP_SD_Init(), and BSP_SD_ITConfig().

uint8_t BSP_SD_ITConfig

(

void

)

Configures Interrupt mode for SD detection pin.

Return values:

Returns

0

Definition at line 226 of file stm32446e_eval_sd.c.

References BSP_SD_IsDetected(), and UseExtiModeDetection.

__weak void BSP_SD_MspDeInit	(	SD_HandleTypeDef *	hsd,
		void *	Params
	)

DeInitializes the SD MSP.

Parameters:

hsd,:	SD handle
Params,:	pointer on additional configuration parameters, can be NULL.

Definition at line 507 of file stm32446e_eval_sd.c.

References SD_DMAx_Rx_IRQn, SD_DMAx_Rx_STREAM, SD_DMAx_Tx_IRQn, and SD_DMAx_Tx_STREAM.

Referenced by BSP_SD_DeInit().

__weak void BSP_SD_MspInit	(	SD_HandleTypeDef *	hsd,
		void *	Params
	)

Initializes the SD MSP.

Parameters:

hsd,:	SD handle
Params,:	pointer on additional configuration parameters, can be NULL.

Definition at line 398 of file stm32446e_eval_sd.c.

References __DMAx_TxRx_CLK_ENABLE, BSP_IO_ConfigPin(), BSP_IO_PIN_RESET, BSP_IO_WritePin(), SD_DMAx_Rx_CHANNEL, SD_DMAx_Rx_IRQn, SD_DMAx_Rx_STREAM, SD_DMAx_Tx_CHANNEL, SD_DMAx_Tx_IRQn, and SD_DMAx_Tx_STREAM.

Referenced by BSP_SD_Init().

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 275 of file stm32446e_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 315 of file stm32446e_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 295 of file stm32446e_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 349 of file stm32446e_eval_sd.c.

References MSD_ERROR, MSD_OK, SD_DATATIMEOUT, and uSdHandle.