MDMA Exported Macros

Macros
#define	__HAL_MDMA_ENABLE(__HANDLE__)
	Enable the specified MDMA Channel.
#define	__HAL_MDMA_DISABLE(__HANDLE__)
	Disable the specified MDMA Channel.
#define	__HAL_MDMA_GET_FLAG(__HANDLE__, __FLAG__)
	Get the MDMA Channel pending flags.
#define	__HAL_MDMA_CLEAR_FLAG(__HANDLE__, __FLAG__)
	Clear the MDMA Stream pending flags.
#define	__HAL_MDMA_ENABLE_IT(__HANDLE__, __INTERRUPT__)
	Enables the specified MDMA Channel interrupts.
#define	__HAL_MDMA_DISABLE_IT(__HANDLE__, __INTERRUPT__)
	Disables the specified MDMA Channel interrupts.
#define	__HAL_MDMA_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__)
	Checks whether the specified MDMA Channel interrupt is enabled or not.
#define	__HAL_MDMA_SET_COUNTER(__HANDLE__, __COUNTER__)
	Writes the number of data in bytes to be transferred on the MDMA Channelx.
#define	__HAL_MDMA_GET_COUNTER(__HANDLE__)
	Returns the number of remaining data in bytes in the current MDMA Channelx transfer.

Detailed Description

Macro Definition Documentation

__HAL_MDMA_CLEAR_FLAG

#define __HAL_MDMA_CLEAR_FLAG	(		__HANDLE__,
			__FLAG__ )

Value:

((__HANDLE__)->Instance->CIFCR = (__FLAG__))

Clear the MDMA Stream pending flags.

Parameters

__HANDLE__	MDMA handle
__FLAG__	specifies the flag to clear. This parameter can be any combination of the following values: MDMA_FLAG_TE : Transfer Error flag. MDMA_FLAG_CTC : Channel Transfer Complete flag. MDMA_FLAG_BRT : Block Repeat Transfer flag. MDMA_FLAG_BT : Block Transfer complete flag. MDMA_FLAG_BFTC : BuFfer Transfer Complete flag.

Return values

None

__HAL_MDMA_DISABLE

#define __HAL_MDMA_DISABLE

(

__HANDLE__

)

Value:

((__HANDLE__)->Instance->CCR &=  ~MDMA_CCR_EN)

Disable the specified MDMA Channel.

Parameters

__HANDLE__

MDMA handle

Return values

None

__HAL_MDMA_DISABLE_IT

#define __HAL_MDMA_DISABLE_IT	(		__HANDLE__,
			__INTERRUPT__ )

Value:

((__HANDLE__)->Instance->CCR &= ~(__INTERRUPT__))

Disables the specified MDMA Channel interrupts.

Parameters

__HANDLE__	MDMA handle
__INTERRUPT__	specifies the MDMA interrupt sources to be enabled or disabled. This parameter can be any combination of the following values: MDMA_IT_TE : Transfer Error interrupt mask MDMA_IT_CTC : Channel Transfer Complete interrupt mask MDMA_IT_BRT : Block Repeat Transfer interrupt mask MDMA_IT_BT : Block Transfer interrupt mask MDMA_IT_BFTC : BuFfer Transfer Complete interrupt mask

Return values

None

__HAL_MDMA_ENABLE

#define __HAL_MDMA_ENABLE

(

__HANDLE__

)

Value:

((__HANDLE__)->Instance->CCR |=  MDMA_CCR_EN)

Enable the specified MDMA Channel.

Parameters

__HANDLE__

MDMA handle

Return values

None

__HAL_MDMA_ENABLE_IT

#define __HAL_MDMA_ENABLE_IT	(		__HANDLE__,
			__INTERRUPT__ )

Value:

((__HANDLE__)->Instance->CCR |= (__INTERRUPT__))

Enables the specified MDMA Channel interrupts.

Parameters

__HANDLE__	MDMA handle
__INTERRUPT__	specifies the DMA interrupt sources to be enabled or disabled. This parameter can be any combination of the following values: MDMA_IT_TE : Transfer Error interrupt mask MDMA_IT_CTC : Channel Transfer Complete interrupt mask MDMA_IT_BRT : Block Repeat Transfer interrupt mask MDMA_IT_BT : Block Transfer interrupt mask MDMA_IT_BFTC : BuFfer Transfer Complete interrupt mask

Return values

None

__HAL_MDMA_GET_COUNTER

#define __HAL_MDMA_GET_COUNTER

(

__HANDLE__

)

Value:

((__HANDLE__)->Instance->CBNDTR & MDMA_CBNDTR_BNDT)

Returns the number of remaining data in bytes in the current MDMA Channelx transfer.

Parameters

__HANDLE__

: MDMA handle

Return values

The	number of remaining data in bytes in the current MDMA Channelx transfer.

__HAL_MDMA_GET_FLAG

#define __HAL_MDMA_GET_FLAG	(		__HANDLE__,
			__FLAG__ )

Value:

((__HANDLE__)->Instance->CISR & (__FLAG__))

Get the MDMA Channel pending flags.

Parameters

__HANDLE__	MDMA handle
__FLAG__	Get the specified flag. This parameter can be any combination of the following values: MDMA_FLAG_TE : Transfer Error flag. MDMA_FLAG_CTC : Channel Transfer Complete flag. MDMA_FLAG_BRT : Block Repeat Transfer flag. MDMA_FLAG_BT : Block Transfer complete flag. MDMA_FLAG_BFTC : BuFfer Transfer Complete flag. MDMA_FLAG_CRQA : Channel request Active flag.

Return values

The	state of FLAG (SET or RESET).

__HAL_MDMA_GET_IT_SOURCE

#define __HAL_MDMA_GET_IT_SOURCE	(		__HANDLE__,
			__INTERRUPT__ )

Value:

(((__HANDLE__)->Instance->CCR & (__INTERRUPT__)))

Checks whether the specified MDMA Channel interrupt is enabled or not.

Parameters

__HANDLE__	MDMA handle
__INTERRUPT__	specifies the MDMA interrupt source to check. MDMA_IT_TE : Transfer Error interrupt mask MDMA_IT_CTC : Channel Transfer Complete interrupt mask MDMA_IT_BRT : Block Repeat Transfer interrupt mask MDMA_IT_BT : Block Transfer interrupt mask MDMA_IT_BFTC : BuFfer Transfer Complete interrupt mask

Return values

The	state of MDMA_IT (SET or RESET).

__HAL_MDMA_SET_COUNTER

#define __HAL_MDMA_SET_COUNTER	(		__HANDLE__,
			__COUNTER__ )

Value:

((__HANDLE__)->Instance->CBNDTR |= ((__COUNTER__) & MDMA_CBNDTR_BNDT))

Writes the number of data in bytes to be transferred on the MDMA Channelx.

Parameters

__HANDLE__	: MDMA handle
__COUNTER__	Number of data in bytes to be transferred.

Return values

None