TIM1 产生的PWM 如何在通过改变一条指令改变占空比，过度的还比较好的效果！！

18246193969 · 发表于 2014-4-11 12:36:58

ws_zdyz · 发表于 2014-4-11 13:03:00

TIM1->CCRX

RJJ3872288 · 发表于 2014-4-11 13:28:06

void TIM_SetCompare1(TIM_TypeDef* TIMx, uint16_t Compare1)
{
  /* Check the parameters */
  assert_param(IS_TIM_LIST8_PERIPH(TIMx));
  /* Set the Capture Compare1 Register value */
  TIMx->CCR1 = Compare1;
}

/**
  * @brief  Sets the TIMx Capture Compare2 Register value
  * @param  TIMx: where x can be 1, 2, 3, 4, 5, 8, 9, 12 or 15 to select the TIM peripheral.
  * @param  Compare2: specifies the Capture Compare2 register new value.
  * @retval None
  */
void TIM_SetCompare2(TIM_TypeDef* TIMx, uint16_t Compare2)
{
  /* Check the parameters */
  assert_param(IS_TIM_LIST6_PERIPH(TIMx));
  /* Set the Capture Compare2 Register value */
  TIMx->CCR2 = Compare2;
}

/**
  * @brief  Sets the TIMx Capture Compare3 Register value
  * @param  TIMx: where x can be 1, 2, 3, 4, 5 or 8 to select the TIM peripheral.
  * @param  Compare3: specifies the Capture Compare3 register new value.
  * @retval None
  */
void TIM_SetCompare3(TIM_TypeDef* TIMx, uint16_t Compare3)
{
  /* Check the parameters */
  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
  /* Set the Capture Compare3 Register value */
  TIMx->CCR3 = Compare3;
}

/**
  * @brief  Sets the TIMx Capture Compare4 Register value
  * @param  TIMx: where x can be 1, 2, 3, 4, 5 or 8 to select the TIM peripheral.
  * @param  Compare4: specifies the Capture Compare4 register new value.
  * @retval None
  */
void TIM_SetCompare4(TIM_TypeDef* TIMx, uint16_t Compare4)
{
  /* Check the parameters */
  assert_param(IS_TIM_LIST3_PERIPH(TIMx));
  /* Set the Capture Compare4 Register value */
  TIMx->CCR4 = Compare4;
}