坛子里有用IAR的帮忙看下

bgtech

void EXTI_ClearITPendingBit(uint32_t EXTI_Line)　和　void EXTI_ClearFlag(uint32_t EXTI_Line)
在stm32f10x_exti.c里面这个两个函数功能是一模一样的,但是在IAR里只认EXTI_ClearFlag,用EXTI_ClearITPendingBit在编译是就报错(MDK两个都没问题)
ERROR[Pe223]: function "EXTI_ClearITpendingBit" declared implicitly

stm32f10x_exti.h

void EXTI_ClearFlag(uint32_t EXTI_Line);
void EXTI_ClearITPendingBit(uint32_t EXTI_Line);


stm32f10x_exti.c

/**
  * @brief  Clears the EXTI's line pending flags.
  * @param  EXTI_Line: specifies the EXTI lines flags to clear.
  *   This parameter can be any combination of EXTI_Linex where x can be (0..19).
  * @retval None
  */
void EXTI_ClearFlag(uint32_t EXTI_Line)
{
  /* Check the parameters */
  assert_param(IS_EXTI_LINE(EXTI_Line));
 
  EXTI->R = EXTI_Line;
}


/**
  * @brief  Clears the EXTI's line pending bits.
  * @param  EXTI_Line: specifies the EXTI lines to clear.
  *   This parameter can be any combination of EXTI_Linex where x can be (0..19).
  * @retval None
  */
void EXTI_ClearITPendingBit(uint32_t EXTI_Line)
{
  /* Check the parameters */
  assert_param(IS_EXTI_LINE(EXTI_Line));
 
  EXTI->R = EXTI_Line;
}

正点原子

没用过IAR。。。