DMA2D

DMA2D driver modules. More...

Collaboration diagram for DMA2D:

Modules
	DMA2D_Exported_Constants
	DMA2D_Private_Functions

Classes
struct	DMA2D_InitTypeDef
	DMA2D Init structure definition. More...
struct	DMA2D_FG_InitTypeDef
struct	DMA2D_BG_InitTypeDef

Macros
#define	CR_MASK   ((uint32_t)0xFFFCE0FC) /* DMA2D CR Mask */
#define	PFCCR_MASK   ((uint32_t)0x00FC00C0) /* DMA2D FGPFCCR Mask */
#define	DEAD_MASK   ((uint32_t)0xFFFF00FE) /* DMA2D DEAD Mask */

Functions
void	DMA2D_DeInit (void)
	Deinitializes the DMA2D peripheral registers to their default reset values. More...
void	DMA2D_Init (DMA2D_InitTypeDef *DMA2D_InitStruct)
	Initializes the DMA2D peripheral according to the specified parameters in the DMA2D_InitStruct. More...
void	DMA2D_StructInit (DMA2D_InitTypeDef *DMA2D_InitStruct)
void	DMA2D_StartTransfer (void)
	Start the DMA2D transfer. More...
void	DMA2D_AbortTransfer (void)
	Aboart the DMA2D transfer. More...
void	DMA2D_Suspend (FunctionalState NewState)
	Stop or continue the DMA2D transfer. More...
void	DMA2D_FGConfig (DMA2D_FG_InitTypeDef *DMA2D_FG_InitStruct)
	Configures the Foreground according to the specified parameters in the DMA2D_FGStruct. More...
void	DMA2D_FG_StructInit (DMA2D_FG_InitTypeDef *DMA2D_FG_InitStruct)
	Fills each DMA2D_FGStruct member with its default value. More...
void	DMA2D_BGConfig (DMA2D_BG_InitTypeDef *DMA2D_BG_InitStruct)
	Configures the Background according to the specified parameters in the DMA2D_BGStruct. More...
void	DMA2D_BG_StructInit (DMA2D_BG_InitTypeDef *DMA2D_BG_InitStruct)
	Fills each DMA2D_BGStruct member with its default value. More...
void	DMA2D_FGStart (FunctionalState NewState)
	Start the automatic loading of the CLUT or abort the transfer. More...
void	DMA2D_BGStart (FunctionalState NewState)
	Start the automatic loading of the CLUT or abort the transfer. More...
void	DMA2D_DeadTimeConfig (uint32_t DMA2D_DeadTime, FunctionalState NewState)
	Configures the DMA2D dead time. More...
void	DMA2D_LineWatermarkConfig (uint32_t DMA2D_LWatermarkConfig)
	Define the configuration of the line watermark . More...
void	DMA2D_ITConfig (uint32_t DMA2D_IT, FunctionalState NewState)
	Enables or disables the specified DMA2D's interrupts. More...
FlagStatus	DMA2D_GetFlagStatus (uint32_t DMA2D_FLAG)
	Checks whether the specified DMA2D's flag is set or not. More...
void	DMA2D_ClearFlag (uint32_t DMA2D_FLAG)
	Clears the DMA2D's pending flags. More...
ITStatus	DMA2D_GetITStatus (uint32_t DMA2D_IT)
	Checks whether the specified DMA2D's interrupt has occurred or not. More...
void	DMA2D_ClearITPendingBit (uint32_t DMA2D_IT)
	Clears the DMA2D's interrupt pending bits. More...

Detailed Description

DMA2D driver modules.

Function Documentation

void DMA2D_AbortTransfer

(

void

)

Aboart the DMA2D transfer.

Parameters

void DMA2D_BG_StructInit

(

DMA2D_BG_InitTypeDef *

DMA2D_BG_InitStruct

)

Fills each DMA2D_BGStruct member with its default value.

Parameters

DMA2D_BGStruct

pointer to a DMA2D_BGTypeDef structure which will be initialized.

Return values

None

< Initialize the DMA2D background memory address

< Initialize the DMA2D background offset

< Initialize the DMA2D background color mode

< Initialize the DMA2D background CLUT color mode

< Initialize the DMA2D background CLUT size

< Initialize the DMA2D background alpha mode

< Initialize the DMA2D background alpha value

< Initialize the DMA2D background blue value

< Initialize the DMA2D background green value

< Initialize the DMA2D background red value

< Initialize the DMA2D background CLUT memory address

void DMA2D_BGConfig

(

DMA2D_BG_InitTypeDef *

DMA2D_BG_InitStruct

)

Configures the Background according to the specified parameters in the DMA2D_BGStruct.

Note

This function can be used only when the transfer is disabled.

Parameters

DMA2D_BGStruct

pointer to a DMA2D_BGTypeDef structure that contains the configuration information for the specified Background.

Return values

None

void DMA2D_BGStart

(

FunctionalState

NewState

)

Start the automatic loading of the CLUT or abort the transfer.

Parameters

NewState

new state of the DMA2D peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None

void DMA2D_ClearFlag

(

uint32_t

DMA2D_FLAG

)

Clears the DMA2D's pending flags.

Parameters

DMA2D_FLAG

specifies the flag to clear. This parameter can be any combination of the following values: DMA2D_FLAG_CE: Configuration Error Interrupt flag. DMA2D_FLAG_CTC: CLUT Transfer Complete Interrupt flag. DMA2D_FLAG_CAE: CLUT Access Error Interrupt flag. DMA2D_FLAG_TW: Transfer Watermark Interrupt flag. DMA2D_FLAG_TC: Transfer Complete interrupt flag. DMA2D_FLAG_TE: Transfer Error interrupt flag.

Return values

None

void DMA2D_ClearITPendingBit

(

uint32_t

DMA2D_IT

)

Clears the DMA2D's interrupt pending bits.

Parameters

DMA2D_IT

specifies the interrupt pending bit to clear. This parameter can be any combination of the following values: DMA2D_IT_CE: Configuration Error Interrupt. DMA2D_IT_CTC: CLUT Transfer Complete Interrupt. DMA2D_IT_CAE: CLUT Access Error Interrupt. DMA2D_IT_TW: Transfer Watermark Interrupt. DMA2D_IT_TC: Transfer Complete interrupt. DMA2D_IT_TE: Transfer Error interrupt.

Return values

None

void DMA2D_DeadTimeConfig	(	uint32_t	DMA2D_DeadTime,
		FunctionalState	NewState
	)

Configures the DMA2D dead time.

Parameters

DMA2D_DeadTime

specifies the DMA2D dead time. This parameter can be one of the following values:

Return values

None

void DMA2D_DeInit

(

void

)

Deinitializes the DMA2D peripheral registers to their default reset values.

Parameters

None

Return values

None

Here is the call graph for this function:

void DMA2D_FG_StructInit

(

DMA2D_FG_InitTypeDef *

DMA2D_FG_InitStruct

)

Fills each DMA2D_FGStruct member with its default value.

Parameters

DMA2D_FGStruct

pointer to a DMA2D_FGTypeDef structure which will be initialized.

Return values

None

< Initialize the DMA2D foreground memory address

< Initialize the DMA2D foreground offset

< Initialize the DMA2D foreground color mode

< Initialize the DMA2D foreground CLUT color mode

< Initialize the DMA2D foreground CLUT size

< Initialize the DMA2D foreground alpha mode

< Initialize the DMA2D foreground alpha value

< Initialize the DMA2D foreground blue value

< Initialize the DMA2D foreground green value

< Initialize the DMA2D foreground red value

< Initialize the DMA2D foreground CLUT memory address

void DMA2D_FGConfig

(

DMA2D_FG_InitTypeDef *

DMA2D_FG_InitStruct

)

Configures the Foreground according to the specified parameters in the DMA2D_FGStruct.

Note

This function can be used only when the transfer is disabled.

Parameters

DMA2D_FGStruct

pointer to a DMA2D_FGTypeDef structure that contains the configuration information for the specified Background.

Return values

None

void DMA2D_FGStart

(

FunctionalState

NewState

)

Start the automatic loading of the CLUT or abort the transfer.

Parameters

NewState

new state of the DMA2D peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None

FlagStatus DMA2D_GetFlagStatus

(

uint32_t

DMA2D_FLAG

)

Checks whether the specified DMA2D's flag is set or not.

Parameters

DMA2D_FLAG

specifies the flag to check. This parameter can be one of the following values: DMA2D_FLAG_CE: Configuration Error Interrupt flag. DMA2D_FLAG_CTC: CLUT Transfer Complete Interrupt flag. DMA2D_FLAG_CAE: CLUT Access Error Interrupt flag. DMA2D_FLAG_TW: Transfer Watermark Interrupt flag. DMA2D_FLAG_TC: Transfer Complete interrupt flag. DMA2D_FLAG_TE: Transfer Error interrupt flag.

Return values

The	new state of DMA2D_FLAG (SET or RESET).

ITStatus DMA2D_GetITStatus

(

uint32_t

DMA2D_IT

)

Checks whether the specified DMA2D's interrupt has occurred or not.

Parameters

DMA2D_IT

specifies the DMA2D interrupts sources to check. This parameter can be one of the following values: DMA2D_IT_CE: Configuration Error Interrupt Enable. DMA2D_IT_CTC: CLUT Transfer Complete Interrupt Enable. DMA2D_IT_CAE: CLUT Access Error Interrupt Enable. DMA2D_IT_TW: Transfer Watermark Interrupt Enable. DMA2D_IT_TC: Transfer Complete interrupt enable. DMA2D_IT_TE: Transfer Error interrupt enable.

Return values

The	new state of the DMA2D_IT (SET or RESET).

void DMA2D_Init

(

DMA2D_InitTypeDef *

DMA2D_InitStruct

)

Initializes the DMA2D peripheral according to the specified parameters in the DMA2D_InitStruct.

Note

This function can be used only when the DMA2D is disabled.

Parameters

DMA2D_InitStruct

pointer to a DMA2D_InitTypeDef structure that contains the configuration information for the specified DMA2D peripheral.

Return values

None

Fills each DMA2D_InitStruct member with its default value.

Parameters

DMA2D_InitStruct

pointer to a DMA2D_InitTypeDef structure which will be initialized.

Return values

None

void DMA2D_ITConfig	(	uint32_t	DMA2D_IT,
		FunctionalState	NewState
	)

Enables or disables the specified DMA2D's interrupts.

Parameters

DMA2D_IT

specifies the DMA2D interrupts sources to be enabled or disabled. This parameter can be any combination of the following values: DMA2D_IT_CE: Configuration Error Interrupt Enable. DMA2D_IT_CTC: CLUT Transfer Complete Interrupt Enable. DMA2D_IT_CAE: CLUT Access Error Interrupt Enable. DMA2D_IT_TW: Transfer Watermark Interrupt Enable. DMA2D_IT_TC: Transfer Complete interrupt enable. DMA2D_IT_TE: Transfer Error interrupt enable.

NewState

new state of the specified DMA2D interrupts. This parameter can be: ENABLE or DISABLE.

Return values

None

void DMA2D_LineWatermarkConfig

(

uint32_t

DMA2D_LWatermarkConfig

)

Define the configuration of the line watermark .

Parameters

DMA2D_LWatermarkConfig

Line Watermark configuration.

Return values

None

void DMA2D_StartTransfer

(

void

)

Start the DMA2D transfer.

Parameters

void DMA2D_Suspend

(

FunctionalState

NewState

)

Stop or continue the DMA2D transfer.

Parameters

NewState

new state of the DMA2D peripheral. This parameter can be: ENABLE or DISABLE.

Return values

None