STM32446E_EVAL BSP User Manual: STM32446E EVAL SD Exported Functions

STM32446E EVAL BSP Drivers

STM32446E_EVAL BSP User Manual
STM32446E EVAL SD Exported 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.
void BSP_SD_DetectIT (void)
void BSP_SD_DetectCallback (void)
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.
uint8_t BSP_SD_IsDetected (void)
 Detects if SD card is correctly plugged in the memory slot or not.
void BSP_SD_MspInit (SD_HandleTypeDef *hsd, void *Params)
 Initializes the SD MSP.
void BSP_SD_MspDeInit (SD_HandleTypeDef *hsd, void *Params)
 DeInitializes the SD MSP.

Function Documentation

uint8_t BSP_SD_DeInit ( void  )

DeInitializes the SD card device.

Return values:
SDstatus

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_DetectCallback ( void  )
void BSP_SD_DetectIT ( void  )
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:
SDstatus

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:
Datatransfer 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:
SDstatus

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:
Returnsif 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:
Returns0

Definition at line 226 of file stm32446e_eval_sd.c.

References BSP_SD_IsDetected(), and UseExtiModeDetection.

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().

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:
SDstatus

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:
SDstatus

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:
SDstatus

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:
SDstatus

Definition at line 349 of file stm32446e_eval_sd.c.

References MSD_ERROR, MSD_OK, SD_DATATIMEOUT, and uSdHandle.

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