Interrupts DMA and flags management functions

Interrupts, DMA and flags management functions. More...

Functions
void	TIM_ITConfig (TIM_TypeDef *TIMx, uint16_t TIM_IT, FunctionalState NewState)
	Enables or disables the specified TIM interrupts. More...
void	TIM_GenerateEvent (TIM_TypeDef *TIMx, uint16_t TIM_EventSource)
	Configures the TIMx event to be generate by software. More...
FlagStatus	TIM_GetFlagStatus (TIM_TypeDef *TIMx, uint16_t TIM_FLAG)
	Checks whether the specified TIM flag is set or not. More...
void	TIM_ClearFlag (TIM_TypeDef *TIMx, uint16_t TIM_FLAG)
	Clears the TIMx's pending flags. More...
ITStatus	TIM_GetITStatus (TIM_TypeDef *TIMx, uint16_t TIM_IT)
	Checks whether the TIM interrupt has occurred or not. More...
void	TIM_ClearITPendingBit (TIM_TypeDef *TIMx, uint16_t TIM_IT)
	Clears the TIMx's interrupt pending bits. More...
void	TIM_DMAConfig (TIM_TypeDef *TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength)
	Configures the TIMx's DMA interface. More...
void	TIM_DMACmd (TIM_TypeDef *TIMx, uint16_t TIM_DMASource, FunctionalState NewState)
	Enables or disables the TIMx's DMA Requests. More...
void	TIM_SelectCCDMA (TIM_TypeDef *TIMx, FunctionalState NewState)
	Selects the TIMx peripheral Capture Compare DMA source. More...

Detailed Description

Interrupts, DMA and flags management functions.

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                 Interrupts, DMA and flags management functions
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Function Documentation

void TIM_ClearFlag	(	TIM_TypeDef *	TIMx,
		uint16_t	TIM_FLAG
	)

Clears the TIMx's pending flags.

Parameters

TIMx,:

where x can be 1 to 14 to select the TIM peripheral.

TIM_FLAG,:

specifies the flag bit to clear. This parameter can be any combination of the following values: TIM_FLAG_Update: TIM update Flag TIM_FLAG_CC1: TIM Capture Compare 1 Flag TIM_FLAG_CC2: TIM Capture Compare 2 Flag TIM_FLAG_CC3: TIM Capture Compare 3 Flag TIM_FLAG_CC4: TIM Capture Compare 4 Flag TIM_FLAG_COM: TIM Commutation Flag TIM_FLAG_Trigger: TIM Trigger Flag TIM_FLAG_Break: TIM Break Flag TIM_FLAG_CC1OF: TIM Capture Compare 1 over capture Flag TIM_FLAG_CC2OF: TIM Capture Compare 2 over capture Flag TIM_FLAG_CC3OF: TIM Capture Compare 3 over capture Flag TIM_FLAG_CC4OF: TIM Capture Compare 4 over capture Flag

Note

TIM6 and TIM7 can have only one update flag.

TIM_FLAG_COM and TIM_FLAG_Break are used only with TIM1 and TIM8.

Return values

None

void TIM_ClearITPendingBit	(	TIM_TypeDef *	TIMx,
		uint16_t	TIM_IT
	)

Clears the TIMx's interrupt pending bits.

Parameters

TIMx,:

where x can be 1 to 14 to select the TIM peripheral.

TIM_IT,:

specifies the pending bit to clear. This parameter can be any combination of the following values: TIM_IT_Update: TIM1 update Interrupt source TIM_IT_CC1: TIM Capture Compare 1 Interrupt source TIM_IT_CC2: TIM Capture Compare 2 Interrupt source TIM_IT_CC3: TIM Capture Compare 3 Interrupt source TIM_IT_CC4: TIM Capture Compare 4 Interrupt source TIM_IT_COM: TIM Commutation Interrupt source TIM_IT_Trigger: TIM Trigger Interrupt source TIM_IT_Break: TIM Break Interrupt source

Note

TIM6 and TIM7 can generate only an update interrupt.

TIM_IT_COM and TIM_IT_Break are used only with TIM1 and TIM8.

Return values

None

void TIM_DMACmd	(	TIM_TypeDef *	TIMx,
		uint16_t	TIM_DMASource,
		FunctionalState	NewState
	)

Enables or disables the TIMx's DMA Requests.

Parameters

TIMx,:	where x can be 1, 2, 3, 4, 5, 6, 7 or 8 to select the TIM peripheral.
TIM_DMASource,:	specifies the DMA Request sources. This parameter can be any combination of the following values: TIM_DMA_Update: TIM update Interrupt source TIM_DMA_CC1: TIM Capture Compare 1 DMA source TIM_DMA_CC2: TIM Capture Compare 2 DMA source TIM_DMA_CC3: TIM Capture Compare 3 DMA source TIM_DMA_CC4: TIM Capture Compare 4 DMA source TIM_DMA_COM: TIM Commutation DMA source TIM_DMA_Trigger: TIM Trigger DMA source
NewState,:	new state of the DMA Request sources. This parameter can be: ENABLE or DISABLE.

Return values

None

void TIM_DMAConfig	(	TIM_TypeDef *	TIMx,
		uint16_t	TIM_DMABase,
		uint16_t	TIM_DMABurstLength
	)

Configures the TIMx's DMA interface.

Parameters

TIMx,:	where x can be 1, 2, 3, 4, 5 or 8 to select the TIM peripheral.
TIM_DMABase,:	DMA Base address. This parameter can be one of the following values: TIM_DMABase_CR1 TIM_DMABase_CR2 TIM_DMABase_SMCR TIM_DMABase_DIER TIM1_DMABase_SR TIM_DMABase_EGR TIM_DMABase_CCMR1 TIM_DMABase_CCMR2 TIM_DMABase_CCER TIM_DMABase_CNT TIM_DMABase_PSC TIM_DMABase_ARR TIM_DMABase_RCR TIM_DMABase_CCR1 TIM_DMABase_CCR2 TIM_DMABase_CCR3 TIM_DMABase_CCR4 TIM_DMABase_BDTR TIM_DMABase_DCR
TIM_DMABurstLength,:	DMA Burst length. This parameter can be one value between: TIM_DMABurstLength_1Transfer and TIM_DMABurstLength_18Transfers.

Return values

None

void TIM_GenerateEvent	(	TIM_TypeDef *	TIMx,
		uint16_t	TIM_EventSource
	)

Configures the TIMx event to be generate by software.

Parameters

TIMx,:

where x can be 1 to 14 to select the TIM peripheral.

TIM_EventSource,:

specifies the event source. This parameter can be one or more of the following values: TIM_EventSource_Update: Timer update Event source TIM_EventSource_CC1: Timer Capture Compare 1 Event source TIM_EventSource_CC2: Timer Capture Compare 2 Event source TIM_EventSource_CC3: Timer Capture Compare 3 Event source TIM_EventSource_CC4: Timer Capture Compare 4 Event source TIM_EventSource_COM: Timer COM event source TIM_EventSource_Trigger: Timer Trigger Event source TIM_EventSource_Break: Timer Break event source

Note

TIM6 and TIM7 can only generate an update event.

TIM_EventSource_COM and TIM_EventSource_Break are used only with TIM1 and TIM8.

Return values

None

FlagStatus TIM_GetFlagStatus	(	TIM_TypeDef *	TIMx,
		uint16_t	TIM_FLAG
	)

Checks whether the specified TIM flag is set or not.

Parameters

TIMx,:

where x can be 1 to 14 to select the TIM peripheral.

TIM_FLAG,:

specifies the flag to check. This parameter can be one of the following values: TIM_FLAG_Update: TIM update Flag TIM_FLAG_CC1: TIM Capture Compare 1 Flag TIM_FLAG_CC2: TIM Capture Compare 2 Flag TIM_FLAG_CC3: TIM Capture Compare 3 Flag TIM_FLAG_CC4: TIM Capture Compare 4 Flag TIM_FLAG_COM: TIM Commutation Flag TIM_FLAG_Trigger: TIM Trigger Flag TIM_FLAG_Break: TIM Break Flag TIM_FLAG_CC1OF: TIM Capture Compare 1 over capture Flag TIM_FLAG_CC2OF: TIM Capture Compare 2 over capture Flag TIM_FLAG_CC3OF: TIM Capture Compare 3 over capture Flag TIM_FLAG_CC4OF: TIM Capture Compare 4 over capture Flag

Note

TIM6 and TIM7 can have only one update flag.

TIM_FLAG_COM and TIM_FLAG_Break are used only with TIM1 and TIM8.

Return values

The	new state of TIM_FLAG (SET or RESET).

ITStatus TIM_GetITStatus	(	TIM_TypeDef *	TIMx,
		uint16_t	TIM_IT
	)

Checks whether the TIM interrupt has occurred or not.

Parameters

TIMx,:

where x can be 1 to 14 to select the TIM peripheral.

TIM_IT,:

specifies the TIM interrupt source to check. This parameter can be one of the following values: TIM_IT_Update: TIM update Interrupt source TIM_IT_CC1: TIM Capture Compare 1 Interrupt source TIM_IT_CC2: TIM Capture Compare 2 Interrupt source TIM_IT_CC3: TIM Capture Compare 3 Interrupt source TIM_IT_CC4: TIM Capture Compare 4 Interrupt source TIM_IT_COM: TIM Commutation Interrupt source TIM_IT_Trigger: TIM Trigger Interrupt source TIM_IT_Break: TIM Break Interrupt source

Note

TIM6 and TIM7 can generate only an update interrupt.

TIM_IT_COM and TIM_IT_Break are used only with TIM1 and TIM8.

Return values

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

void TIM_ITConfig	(	TIM_TypeDef *	TIMx,
		uint16_t	TIM_IT,
		FunctionalState	NewState
	)

Enables or disables the specified TIM interrupts.

Parameters

TIMx,:

where x can be 1 to 14 to select the TIMx peripheral.

TIM_IT,:

specifies the TIM interrupts sources to be enabled or disabled. This parameter can be any combination of the following values: TIM_IT_Update: TIM update Interrupt source TIM_IT_CC1: TIM Capture Compare 1 Interrupt source TIM_IT_CC2: TIM Capture Compare 2 Interrupt source TIM_IT_CC3: TIM Capture Compare 3 Interrupt source TIM_IT_CC4: TIM Capture Compare 4 Interrupt source TIM_IT_COM: TIM Commutation Interrupt source TIM_IT_Trigger: TIM Trigger Interrupt source TIM_IT_Break: TIM Break Interrupt source

Note

For TIM6 and TIM7 only the parameter TIM_IT_Update can be used

For TIM9 and TIM12 only one of the following parameters can be used: TIM_IT_Update, TIM_IT_CC1, TIM_IT_CC2 or TIM_IT_Trigger.

For TIM10, TIM11, TIM13 and TIM14 only one of the following parameters can be used: TIM_IT_Update or TIM_IT_CC1

TIM_IT_COM and TIM_IT_Break can be used only with TIM1 and TIM8

Parameters

NewState,:

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

Return values

None

void TIM_SelectCCDMA	(	TIM_TypeDef *	TIMx,
		FunctionalState	NewState
	)

Selects the TIMx peripheral Capture Compare DMA source.

Parameters

TIMx,:	where x can be 1, 2, 3, 4, 5 or 8 to select the TIM peripheral.
NewState,:	new state of the Capture Compare DMA source This parameter can be: ENABLE or DISABLE.

Return values

None