IO operation functions. More...

Functions
HAL_StatusTypeDef	HAL_DCMI_Start_DMA (DCMI_HandleTypeDef *hdcmi, uint32_t DCMI_Mode, uint32_t pData, uint32_t Length)
	Enables DCMI DMA request and enables DCMI capture.
HAL_StatusTypeDef	HAL_DCMI_Stop (DCMI_HandleTypeDef *hdcmi)
	Disable DCMI DMA request and Disable DCMI capture.
HAL_StatusTypeDef	HAL_DCMI_Suspend (DCMI_HandleTypeDef *hdcmi)
	Suspend DCMI capture.
HAL_StatusTypeDef	HAL_DCMI_Resume (DCMI_HandleTypeDef *hdcmi)
	Resume DCMI capture.
void	HAL_DCMI_IRQHandler (DCMI_HandleTypeDef *hdcmi)
	Handles DCMI interrupt request.
__weak void	HAL_DCMI_ErrorCallback (DCMI_HandleTypeDef *hdcmi)
	Error DCMI callback.
__weak void	HAL_DCMI_LineEventCallback (DCMI_HandleTypeDef *hdcmi)
	Line Event callback.
__weak void	HAL_DCMI_VsyncEventCallback (DCMI_HandleTypeDef *hdcmi)
	VSYNC Event callback.
__weak void	HAL_DCMI_FrameEventCallback (DCMI_HandleTypeDef *hdcmi)
	Frame Event callback.

Detailed Description

IO operation functions.

 ===============================================================================
                      #####  IO operation functions  #####
 ===============================================================================
    [..]  This section provides functions allowing to:
      (+) Configure destination address and data length and
          Enables DCMI DMA request and enables DCMI capture
      (+) Stop the DCMI capture.
      (+) Handles DCMI interrupt request.

Function Documentation

void HAL_DCMI_ErrorCallback ( DCMI_HandleTypeDef * hdcmi )

Error DCMI callback.

Parameters:

hdcmi pointer to a DCMI_HandleTypeDef structure that contains the configuration information for DCMI.

Return values:

None

Definition at line 689 of file stm32h7xx_hal_dcmi.c.

Referenced by DCMI_DMAError(), HAL_DCMI_Init(), and HAL_DCMI_UnRegisterCallback().

void HAL_DCMI_FrameEventCallback ( DCMI_HandleTypeDef * hdcmi )

Frame Event callback.

Parameters:

hdcmi pointer to a DCMI_HandleTypeDef structure that contains the configuration information for DCMI.

Return values:

None

Definition at line 736 of file stm32h7xx_hal_dcmi.c.

Referenced by HAL_DCMI_Init(), HAL_DCMI_IRQHandler(), and HAL_DCMI_UnRegisterCallback().

void HAL_DCMI_IRQHandler ( DCMI_HandleTypeDef * hdcmi )

Handles DCMI interrupt request.

Parameters:

hdcmi pointer to a DCMI_HandleTypeDef structure that contains the configuration information for the DCMI.

Return values:

None

Definition at line 589 of file stm32h7xx_hal_dcmi.c.

References __HAL_DCMI_CLEAR_FLAG, __HAL_DCMI_DISABLE_IT, DCMI_DMAError(), DCMI_FLAG_ERRRI, DCMI_FLAG_FRAMERI, DCMI_FLAG_LINERI, DCMI_FLAG_OVRRI, DCMI_FLAG_VSYNCRI, DCMI_IT_ERR, DCMI_IT_FRAME, DCMI_IT_LINE, DCMI_IT_OVR, DCMI_IT_VSYNC, DCMI_MODE_SNAPSHOT, __DCMI_HandleTypeDef::DMA_Handle, __DCMI_HandleTypeDef::ErrorCode, __DCMI_HandleTypeDef::FrameEventCallback, HAL_DCMI_ERROR_OVR, HAL_DCMI_ERROR_SYNC, HAL_DCMI_FrameEventCallback(), HAL_DCMI_LineEventCallback(), HAL_DCMI_STATE_ERROR, HAL_DCMI_VsyncEventCallback(), HAL_DMA_Abort_IT(), __DCMI_HandleTypeDef::Instance, __DCMI_HandleTypeDef::LineEventCallback, __DCMI_HandleTypeDef::State, __DCMI_HandleTypeDef::VsyncEventCallback, and __DMA_HandleTypeDef::XferAbortCallback.

void HAL_DCMI_LineEventCallback ( DCMI_HandleTypeDef * hdcmi )

Line Event callback.

Parameters:

hdcmi pointer to a DCMI_HandleTypeDef structure that contains the configuration information for DCMI.

Return values:

None

Definition at line 705 of file stm32h7xx_hal_dcmi.c.

Referenced by HAL_DCMI_Init(), HAL_DCMI_IRQHandler(), and HAL_DCMI_UnRegisterCallback().

HAL_StatusTypeDef HAL_DCMI_Resume ( DCMI_HandleTypeDef * hdcmi )

Resume DCMI capture.

Parameters:

hdcmi pointer to a DCMI_HandleTypeDef structure that contains the configuration information for DCMI.

Return values:

HAL status

Definition at line 563 of file stm32h7xx_hal_dcmi.c.

References HAL_DCMI_STATE_BUSY, HAL_DCMI_STATE_SUSPENDED, __DCMI_HandleTypeDef::Instance, and __DCMI_HandleTypeDef::State.

HAL_StatusTypeDef HAL_DCMI_Start_DMA	(	DCMI_HandleTypeDef *	hdcmi,
		uint32_t	DCMI_Mode,
		uint32_t	pData,
		uint32_t	Length
	)

Enables DCMI DMA request and enables DCMI capture.

Parameters:

hdcmi	pointer to a DCMI_HandleTypeDef structure that contains the configuration information for DCMI.
DCMI_Mode	DCMI capture mode snapshot or continuous grab.
pData	The destination memory Buffer address (LCD Frame buffer).
Length	The length of capture to be transferred.

Return values:

HAL status

Definition at line 357 of file stm32h7xx_hal_dcmi.c.

References __HAL_DCMI_ENABLE, assert_param, DCMI_DMAError(), DCMI_DMAXferCplt(), __DCMI_HandleTypeDef::DMA_Handle, __DCMI_HandleTypeDef::ErrorCode, HAL_DCMI_ERROR_DMA, HAL_DCMI_STATE_BUSY, HAL_DCMI_STATE_READY, HAL_DMA_Start_IT(), HAL_DMAEx_MultiBufferStart_IT(), __DCMI_HandleTypeDef::Instance, IS_DCMI_CAPTURE_MODE, __DCMI_HandleTypeDef::pBuffPtr, __DCMI_HandleTypeDef::State, __DMA_HandleTypeDef::XferAbortCallback, __DCMI_HandleTypeDef::XferCount, __DMA_HandleTypeDef::XferCpltCallback, __DMA_HandleTypeDef::XferErrorCallback, __DMA_HandleTypeDef::XferM1CpltCallback, __DCMI_HandleTypeDef::XferSize, and __DCMI_HandleTypeDef::XferTransferNumber.