Input and Output functions

Input Output and memory control functions. More...

Functions
HAL_StatusTypeDef	HAL_SDRAM_Read_8b (SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint8_t *pDstBuffer, uint32_t BufferSize)
	Reads 8-bit data buffer from the SDRAM memory.
HAL_StatusTypeDef	HAL_SDRAM_Write_8b (SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint8_t *pSrcBuffer, uint32_t BufferSize)
	Writes 8-bit data buffer to SDRAM memory.
HAL_StatusTypeDef	HAL_SDRAM_Read_16b (SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint16_t *pDstBuffer, uint32_t BufferSize)
	Reads 16-bit data buffer from the SDRAM memory.
HAL_StatusTypeDef	HAL_SDRAM_Write_16b (SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint16_t *pSrcBuffer, uint32_t BufferSize)
	Writes 16-bit data buffer to SDRAM memory.
HAL_StatusTypeDef	HAL_SDRAM_Read_32b (SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize)
	Reads 32-bit data buffer from the SDRAM memory.
HAL_StatusTypeDef	HAL_SDRAM_Write_32b (SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint32_t *pSrcBuffer, uint32_t BufferSize)
	Writes 32-bit data buffer to SDRAM memory.
HAL_StatusTypeDef	HAL_SDRAM_Read_DMA (SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize)
	Reads a Words data from the SDRAM memory using DMA transfer.
HAL_StatusTypeDef	HAL_SDRAM_Write_DMA (SDRAM_HandleTypeDef *hsdram, uint32_t *pAddress, uint32_t *pSrcBuffer, uint32_t BufferSize)
	Writes a Words data buffer to SDRAM memory using DMA transfer.
HAL_StatusTypeDef	HAL_SDRAM_RegisterCallback (SDRAM_HandleTypeDef *hsdram, HAL_SDRAM_CallbackIDTypeDef CallbackId, pSDRAM_CallbackTypeDef pCallback)
	Register a User SDRAM Callback To be used instead of the weak (surcharged) predefined callback.
HAL_StatusTypeDef	HAL_SDRAM_UnRegisterCallback (SDRAM_HandleTypeDef *hsdram, HAL_SDRAM_CallbackIDTypeDef CallbackId)
	Unregister a User SDRAM Callback SDRAM Callback is redirected to the weak (surcharged) predefined callback.
HAL_StatusTypeDef	HAL_SDRAM_RegisterDmaCallback (SDRAM_HandleTypeDef *hsdram, HAL_SDRAM_CallbackIDTypeDef CallbackId, pSDRAM_DmaCallbackTypeDef pCallback)
	Register a User SDRAM Callback for DMA transfers To be used instead of the weak (surcharged) predefined callback.

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Detailed Description

Input Output and memory control functions.

  ==============================================================================
                    ##### SDRAM Input and Output functions #####
  ==============================================================================
  [..]
    This section provides functions allowing to use and control the SDRAM memory

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Function Documentation

HAL_StatusTypeDef HAL_SDRAM_Read_16b	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t *	pAddress,
		uint16_t *	pDstBuffer,
		uint32_t	BufferSize
	)

Reads 16-bit data buffer from the SDRAM memory.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
pAddress	Pointer to read start address
pDstBuffer	Pointer to destination buffer
BufferSize	Size of the buffer to read from memory

Return values:

HAL

status

Definition at line 476 of file stm32h7xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, HAL_SDRAM_STATE_WRITE_PROTECTED, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_Read_32b	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t *	pAddress,
		uint32_t *	pDstBuffer,
		uint32_t	BufferSize
	)

Reads 32-bit data buffer from the SDRAM memory.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
pAddress	Pointer to read start address
pDstBuffer	Pointer to destination buffer
BufferSize	Size of the buffer to read from memory

Return values:

HAL

status

Definition at line 595 of file stm32h7xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, HAL_SDRAM_STATE_WRITE_PROTECTED, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_Read_8b	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t *	pAddress,
		uint8_t *	pDstBuffer,
		uint32_t	BufferSize
	)

Reads 8-bit data buffer from the SDRAM memory.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
pAddress	Pointer to read start address
pDstBuffer	Pointer to destination buffer
BufferSize	Size of the buffer to read from memory

Return values:

HAL

status

Definition at line 373 of file stm32h7xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, HAL_SDRAM_STATE_WRITE_PROTECTED, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_Read_DMA	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t *	pAddress,
		uint32_t *	pDstBuffer,
		uint32_t	BufferSize
	)

Reads a Words data from the SDRAM memory using DMA transfer.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
pAddress	Pointer to read start address
pDstBuffer	Pointer to destination buffer
BufferSize	Size of the buffer to read from memory

Return values:

HAL

status

Definition at line 698 of file stm32h7xx_hal_sdram.c.

References HAL_MDMA_Start_IT(), HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, HAL_SDRAM_STATE_WRITE_PROTECTED, __SDRAM_HandleTypeDef::hmdma, SDRAM_DMACplt(), SDRAM_DMACpltProt(), SDRAM_DMAError(), __SDRAM_HandleTypeDef::State, __MDMA_HandleTypeDef::XferCpltCallback, and __MDMA_HandleTypeDef::XferErrorCallback.

HAL_StatusTypeDef HAL_SDRAM_RegisterCallback	(	SDRAM_HandleTypeDef *	hsdram,
		HAL_SDRAM_CallbackIDTypeDef	CallbackId,
		pSDRAM_CallbackTypeDef	pCallback
	)

Register a User SDRAM Callback To be used instead of the weak (surcharged) predefined callback.

Parameters:

hsdram	: SDRAM handle
CallbackId	: ID of the callback to be registered This parameter can be one of the following values: HAL_SDRAM_MSP_INIT_CB_ID SDRAM MspInit callback ID HAL_SDRAM_MSP_DEINIT_CB_ID SDRAM MspDeInit callback ID HAL_SDRAM_REFRESH_ERR_CB_ID SDRAM Refresh Error callback ID
pCallback	: pointer to the Callback function

Return values:

status

Definition at line 800 of file stm32h7xx_hal_sdram.c.

References HAL_SDRAM_MSP_DEINIT_CB_ID, HAL_SDRAM_MSP_INIT_CB_ID, HAL_SDRAM_REFRESH_ERR_CB_ID, HAL_SDRAM_STATE_READY, HAL_SDRAM_STATE_RESET, HAL_SDRAM_STATE_WRITE_PROTECTED, __SDRAM_HandleTypeDef::MspDeInitCallback, __SDRAM_HandleTypeDef::MspInitCallback, __SDRAM_HandleTypeDef::RefreshErrorCallback, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_RegisterDmaCallback	(	SDRAM_HandleTypeDef *	hsdram,
		HAL_SDRAM_CallbackIDTypeDef	CallbackId,
		pSDRAM_DmaCallbackTypeDef	pCallback
	)

Register a User SDRAM Callback for DMA transfers To be used instead of the weak (surcharged) predefined callback.

Parameters:

hsdram	: SDRAM handle
CallbackId	: ID of the callback to be registered This parameter can be one of the following values: HAL_SDRAM_DMA_XFER_CPLT_CB_ID SDRAM DMA Xfer Complete callback ID HAL_SDRAM_DMA_XFER_ERR_CB_ID SDRAM DMA Xfer Error callback ID
pCallback	: pointer to the Callback function

Return values:

status

Definition at line 946 of file stm32h7xx_hal_sdram.c.

References __SDRAM_HandleTypeDef::DmaXferCpltCallback, __SDRAM_HandleTypeDef::DmaXferErrorCallback, HAL_SDRAM_DMA_XFER_CPLT_CB_ID, HAL_SDRAM_DMA_XFER_ERR_CB_ID, HAL_SDRAM_STATE_READY, HAL_SDRAM_STATE_WRITE_PROTECTED, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_UnRegisterCallback	(	SDRAM_HandleTypeDef *	hsdram,
		HAL_SDRAM_CallbackIDTypeDef	CallbackId
	)

Unregister a User SDRAM Callback SDRAM Callback is redirected to the weak (surcharged) predefined callback.

Parameters:

hsdram	: SDRAM handle
CallbackId	: ID of the callback to be unregistered This parameter can be one of the following values: HAL_SDRAM_MSP_INIT_CB_ID SDRAM MspInit callback ID HAL_SDRAM_MSP_DEINIT_CB_ID SDRAM MspDeInit callback ID HAL_SDRAM_REFRESH_ERR_CB_ID SDRAM Refresh Error callback ID HAL_SDRAM_DMA_XFER_CPLT_CB_ID SDRAM DMA Xfer Complete callback ID HAL_SDRAM_DMA_XFER_ERR_CB_ID SDRAM DMA Xfer Error callback ID

Return values:

status

Definition at line 874 of file stm32h7xx_hal_sdram.c.

References __SDRAM_HandleTypeDef::DmaXferCpltCallback, __SDRAM_HandleTypeDef::DmaXferErrorCallback, HAL_SDRAM_DMA_XFER_CPLT_CB_ID, HAL_SDRAM_DMA_XFER_ERR_CB_ID, HAL_SDRAM_DMA_XferCpltCallback(), HAL_SDRAM_DMA_XferErrorCallback(), HAL_SDRAM_MSP_DEINIT_CB_ID, HAL_SDRAM_MSP_INIT_CB_ID, HAL_SDRAM_MspDeInit(), HAL_SDRAM_MspInit(), HAL_SDRAM_REFRESH_ERR_CB_ID, HAL_SDRAM_RefreshErrorCallback(), HAL_SDRAM_STATE_READY, HAL_SDRAM_STATE_RESET, HAL_SDRAM_STATE_WRITE_PROTECTED, __SDRAM_HandleTypeDef::MspDeInitCallback, __SDRAM_HandleTypeDef::MspInitCallback, __SDRAM_HandleTypeDef::RefreshErrorCallback, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_Write_16b	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t *	pAddress,
		uint16_t *	pSrcBuffer,
		uint32_t	BufferSize
	)

Writes 16-bit data buffer to SDRAM memory.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
pAddress	Pointer to write start address
pSrcBuffer	Pointer to source buffer to write
BufferSize	Size of the buffer to write to memory

Return values:

HAL

status

Definition at line 536 of file stm32h7xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_Write_32b	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t *	pAddress,
		uint32_t *	pSrcBuffer,
		uint32_t	BufferSize
	)

Writes 32-bit data buffer to SDRAM memory.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
pAddress	Pointer to write start address
pSrcBuffer	Pointer to source buffer to write
BufferSize	Size of the buffer to write to memory

Return values:

HAL

status

Definition at line 647 of file stm32h7xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_Write_8b	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t *	pAddress,
		uint8_t *	pSrcBuffer,
		uint32_t	BufferSize
	)

Writes 8-bit data buffer to SDRAM memory.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
pAddress	Pointer to write start address
pSrcBuffer	Pointer to source buffer to write
BufferSize	Size of the buffer to write to memory

Return values:

HAL

status

Definition at line 425 of file stm32h7xx_hal_sdram.c.

References HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, and __SDRAM_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SDRAM_Write_DMA	(	SDRAM_HandleTypeDef *	hsdram,
		uint32_t *	pAddress,
		uint32_t *	pSrcBuffer,
		uint32_t	BufferSize
	)

Writes a Words data buffer to SDRAM memory using DMA transfer.

Parameters:

hsdram	pointer to a SDRAM_HandleTypeDef structure that contains the configuration information for SDRAM module.
pAddress	Pointer to write start address
pSrcBuffer	Pointer to source buffer to write
BufferSize	Size of the buffer to write to memory

Return values:

HAL

status

Definition at line 751 of file stm32h7xx_hal_sdram.c.

References HAL_MDMA_Start_IT(), HAL_SDRAM_STATE_BUSY, HAL_SDRAM_STATE_READY, __SDRAM_HandleTypeDef::hmdma, SDRAM_DMACplt(), SDRAM_DMAError(), __SDRAM_HandleTypeDef::State, __MDMA_HandleTypeDef::XferCpltCallback, and __MDMA_HandleTypeDef::XferErrorCallback.