STM32中TIM_ClearFlag和TIM_ClearITPendingBit有什么区别

/*** @brief  Clears the TIMx's pending flags.* @param  TIMx: where x can be 1 to 17 to select the TIM peripheral.* @param  TIM_FLAG: specifies the flag bit to clear.*   This parameter can be any combination of the following values:*     @arg TIM_FLAG_Update: TIM update Flag*     @arg TIM_FLAG_CC1: TIM Capture Compare 1 Flag*     @arg TIM_FLAG_CC2: TIM Capture Compare 2 Flag*     @arg TIM_FLAG_CC3: TIM Capture Compare 3 Flag*     @arg TIM_FLAG_CC4: TIM Capture Compare 4 Flag*     @arg TIM_FLAG_COM: TIM Commutation Flag*     @arg TIM_FLAG_Trigger: TIM Trigger Flag*     @arg TIM_FLAG_Break: TIM Break Flag*     @arg TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag*     @arg TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag*     @arg TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag*     @arg TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag* @note*   - TIM6 and TIM7 can have only one update flag. *   - TIM9, TIM12 and TIM15 can have only TIM_FLAG_Update, TIM_FLAG_CC1,*      TIM_FLAG_CC2 or TIM_FLAG_Trigger. *   - TIM10, TIM11, TIM13, TIM14, TIM16 and TIM17 can have TIM_FLAG_Update or TIM_FLAG_CC1.   *   - TIM_FLAG_Break is used only with TIM1, TIM8 and TIM15. *   - TIM_FLAG_COM is used only with TIM1, TIM8, TIM15, TIM16 and TIM17.   * @retval None*/
void TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG)
{  /* Check the parameters */assert_param(IS_TIM_ALL_PERIPH(TIMx));assert_param(IS_TIM_CLEAR_FLAG(TIM_FLAG));/* Clear the flags */TIMx->SR = (uint16_t)~TIM_FLAG;
}

/*** @brief  Clears the TIMx's interrupt pending bits.* @param  TIMx: where x can be 1 to 17 to select the TIM peripheral.* @param  TIM_IT: specifies the pending bit to clear.*   This parameter can be any combination of the following values:*     @arg TIM_IT_Update: TIM1 update Interrupt source*     @arg TIM_IT_CC1: TIM Capture Compare 1 Interrupt source*     @arg TIM_IT_CC2: TIM Capture Compare 2 Interrupt source*     @arg TIM_IT_CC3: TIM Capture Compare 3 Interrupt source*     @arg TIM_IT_CC4: TIM Capture Compare 4 Interrupt source*     @arg TIM_IT_COM: TIM Commutation Interrupt source*     @arg TIM_IT_Trigger: TIM Trigger Interrupt source*     @arg TIM_IT_Break: TIM Break Interrupt source* @note*   - TIM6 and TIM7 can generate only an update interrupt.*   - TIM9, TIM12 and TIM15 can have only TIM_IT_Update, TIM_IT_CC1,*      TIM_IT_CC2 or TIM_IT_Trigger. *   - TIM10, TIM11, TIM13, TIM14, TIM16 and TIM17 can have TIM_IT_Update or TIM_IT_CC1.   *   - TIM_IT_Break is used only with TIM1, TIM8 and TIM15. *   - TIM_IT_COM is used only with TIM1, TIM8, TIM15, TIM16 and TIM17.    * @retval None*/
void TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT)
{/* Check the parameters */assert_param(IS_TIM_ALL_PERIPH(TIMx));assert_param(IS_TIM_IT(TIM_IT));/* Clear the IT pending Bit */TIMx->SR = (uint16_t)~TIM_IT;
}

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STM32中TIM_ClearFlag和TIM_ClearITPendingBit有什么区别

STM32中TIM_ClearFlag和TIM_ClearITPendingBit有什么区别

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