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HAL_SD_ReadBlocks_DMA() function
Reads block(s) from a specified address in a card. The Data transfer is managed by DMA mode.
Syntax
HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd,
uint8_t *pData,
uint32_t BlockAdd,
uint32_t NumberOfBlocks);
Implemented in ![]()
stm32f4xx_hal_sd.c:1174
Return value
HAL status
Notes
This API should be followed by a check on the card state through HAL_SD_GetCardState(). You could also check the DMA transfer process through the SD Rx interrupt event.
Related Functions
Found 37 other functions taking a ![]()
SD_HandleTypeDef
argument:
Function
Description
This function handles SD card interrupt request.
Gets the current sd card data state.
Tx Transfer completed callbacks
Rx Transfer completed callbacks
Initializes the SD according to the specified parameters in the SD_HandleTypeDef and create the associated handle.
Writes block(s) to a specified address in a card. The Data transfer is managed by DMA mode.
Enables wide bus operation for the requested card if supported by card.
SD Abort callbacks
De-Initializes the SD card.
Reads block(s) from a specified address in a card. The Data transfer is managed by polling mode.
Allows to write block(s) to a specified address in a card. The Data transfer is managed by polling mode.
Erases the specified memory area of the given SD card.
SD error callbacks
Gets the SD card info.
Initializes the SD MSP.
De-Initialize SD MSP.
Finds the SD card SCR register value.
Initializes the SD Card.
Returns information the information of the card which are stored on the CSD register.
Wrap up writing in non-blocking mode.
Returns the current card's status.
Enables the SDIO wide bus mode.
Disables the SDIO wide bus mode.
Initializes the sd card.
Enquires cards about their operating voltage and configures clock controls and stores SD information that will be needed in future in the SD handle.
Turns the SDIO output signals off.
Send Status info command.
Wrap up reading in non-blocking mode.
Reads block(s) from a specified address in a card. The Data transfer is managed in interrupt mode.
Writes block(s) to a specified address in a card. The Data transfer is managed in interrupt mode.
Returns information the information of the card which are stored on the CID register.
Gets the SD status info.
return the SD state
Return the SD error code
Abort the current transfer and disable the SD.
Abort the current transfer and disable the SD (IT mode).