Richard Vasquez / DMA_RAM_DAC

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Interrupts DMA and flags management functions
Functions

Interrupts DMA and flags management functions
[TIM_Private_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.
void TIM_GenerateEvent (TIM_TypeDef *TIMx, uint16_t TIM_EventSource)
 Configures the TIMx event to be generate by software.
FlagStatus TIM_GetFlagStatus (TIM_TypeDef *TIMx, uint32_t TIM_FLAG)
 Checks whether the specified TIM flag is set or not.
void TIM_ClearFlag (TIM_TypeDef *TIMx, uint16_t TIM_FLAG)
 Clears the TIMx's pending flags.
ITStatus TIM_GetITStatus (TIM_TypeDef *TIMx, uint16_t TIM_IT)
 Checks whether the TIM interrupt has occurred or not.
void TIM_ClearITPendingBit (TIM_TypeDef *TIMx, uint16_t TIM_IT)
 Clears the TIMx's interrupt pending bits.
void TIM_DMAConfig (TIM_TypeDef *TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength)
 Configures the TIMx's DMA interface.
void TIM_DMACmd (TIM_TypeDef *TIMx, uint16_t TIM_DMASource, FunctionalState NewState)
 Enables or disables the TIMx's DMA Requests.
void TIM_SelectCCDMA (TIM_TypeDef *TIMx, FunctionalState NewState)
 Selects the TIMx peripheral Capture Compare DMA source.

Detailed Description

Interrupts, DMA and flags management functions. 

 ===============================================================================
         ##### Interrupts, DMA and flags management functions #####
 ===============================================================================

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, 2, 3, 4, 6, 7, 8, 15, 16 or 17 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_CC5: TIM Capture Compare 5 Flag
  • TIM_FLAG_CC6: TIM Capture Compare 6 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

Definition at line 3073 of file stm32f30x_tim.c.

void TIM_ClearITPendingBit ( TIM_TypeDef *  TIMx,
uint16_t  TIM_IT 
)

Clears the TIMx's interrupt pending bits.

Parameters:
TIMx,:where x can be 1, 2, 3, 4, 6, 7, 8, 15, 16 or 17 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

Definition at line 3142 of file stm32f30x_tim.c.

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, 6, 7, 8, 15, 16 or 17 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

Definition at line 3206 of file stm32f30x_tim.c.

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 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

Definition at line 3179 of file stm32f30x_tim.c.

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, 2, 3, 4, 6, 7, 8, 15, 16 or 17 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

Definition at line 2994 of file stm32f30x_tim.c.

FlagStatus TIM_GetFlagStatus ( TIM_TypeDef *  TIMx,
uint32_t  TIM_FLAG 
)

Checks whether the specified TIM flag is set or not.

Parameters:
TIMx,:where x can be 1, 2, 3, 4, 6, 7, 8, 15, 16 or 17 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_CC5: TIM Capture Compare 5 Flag
  • TIM_FLAG_CC6: TIM Capture Compare 6 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:
Thenew state of TIM_FLAG (SET or RESET).

Definition at line 3029 of file stm32f30x_tim.c.

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, 2, 3, 4, 6, 7, 8, 15, 16 or 17 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:
Thenew state of the TIM_IT(SET or RESET).

Definition at line 3101 of file stm32f30x_tim.c.

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, 2, 3, 4, 6, 7, 8, 15, 16 or 17 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

Definition at line 2956 of file stm32f30x_tim.c.

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, 8, 15, 16 or 17 to select the TIM peripheral.
NewState,:new state of the Capture Compare DMA source This parameter can be: ENABLE or DISABLE.
Return values:
None

Definition at line 3232 of file stm32f30x_tim.c.

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