STM324xG_EVAL BSP User Manual: STM324xG EVAL SD Exported Functions

STM3240G / STM3241G EVAL BSP Drivers

STM324xG_EVAL BSP User Manual
STM324xG EVAL SD Exported 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.
void BSP_SD_DetectIT (void)
 SD detect IT treatment.
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.
uint8_t BSP_SD_IsDetected (void)
 Detects if SD card is correctly plugged in the memory slot or not.

Function Documentation

void BSP_SD_DetectCallback ( void  )

SD detect IT detection callback.

Definition at line 238 of file stm324xg_eval_sd.c.

Referenced by BSP_SD_DetectIT().

void BSP_SD_DetectIT ( void  )

SD detect IT treatment.

Definition at line 228 of file stm324xg_eval_sd.c.

References BSP_SD_DetectCallback().

void BSP_SD_DMA_Rx_IRQHandler ( void  )

Handles SD DMA Rx transfer interrupt request.

Definition at line 497 of file stm324xg_eval_sd.c.

References uSdHandle.

void BSP_SD_DMA_Tx_IRQHandler ( void  )

Handles SD DMA Tx transfer interrupt request.

Definition at line 489 of file stm324xg_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 360 of file stm324xg_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 519 of file stm324xg_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 510 of file stm324xg_eval_sd.c.

References uSdHandle.

uint8_t BSP_SD_Init ( void  )

Initializes the SD card device.

Return values:
SDstatus.

Definition at line 143 of file stm324xg_eval_sd.c.

References 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 481 of file stm324xg_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 213 of file stm324xg_eval_sd.c.

References SD_DETECT_GPIO_PORT, 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:
Returns0

Definition at line 191 of file stm324xg_eval_sd.c.

References SD_DETECT_GPIO_PORT, SD_DETECT_IRQn, and SD_DETECT_PIN.

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 254 of file stm324xg_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 294 of file stm324xg_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 274 of file stm324xg_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 328 of file stm324xg_eval_sd.c.

References MSD_ERROR, MSD_OK, SD_DATATIMEOUT, and uSdHandle.

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