stm32f10x_tim.c

STM32下做的usb转RS232程序

    /* Reset the ARR Preload Bit */
    tmpcr1 &= CR1_ARPE_Reset;
  }

  TIMx->CR1 = (u16)tmpcr1;
}

/*******************************************************************************
* Function Name  : TIM_SelectCCDMA
* Description    : Selects the TIMx peripheral Capture Compare DMA source.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - Newstate: new state of the Capture Compare DMA source
*                    This parameter can be: ENABLE or DISABLE.
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_SelectCCDMA(TIM_TypeDef* TIMx, FunctionalState Newstate)
{
  u32 tmpcr2 = 0;

  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(Newstate));

  tmpcr2 = TIMx->CR2;

  if (Newstate != DISABLE)
  {
    /* Set the CCDS Bit */
    tmpcr2 |= CR2_CCDS_Set;
  }
  else
  {
    /* Reset the CCDS Bit */
    tmpcr2 &= CR2_CCDS_Reset;
  }

  TIMx->CR2 = (u16)tmpcr2;
}

/*******************************************************************************
* Function Name  : TIM_OC1PreloadConfig
* Description    : Enables or disables the TIMx peripheral Preload register on CCR1.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCPreload: new state of the TIMx peripheral Preload
*                    register
*                    This parameter can be one of the following values:
*                       - TIM_OCPreload_Enable
*                       - TIM_OCPreload_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_OC1PreloadConfig(TIM_TypeDef* TIMx, u16 TIM_OCPreload)
{
  u32 tmpccmr1 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));

  tmpccmr1 = TIMx->CCMR1;

  /* Reset the OCPE Bit */
  tmpccmr1 &= CCMR_OC13PE_Mask;

  /* Enable or Disable the Output Compare Preload feature */
  tmpccmr1 |= TIM_OCPreload;

  TIMx->CCMR1 = (u16)tmpccmr1;
}

/*******************************************************************************
* Function Name  : TIM_OC2PreloadConfig
* Description    : Enables or disables the TIMx peripheral Preload register on CCR2.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCPreload: new state of the TIMx peripheral Preload
*                    register
*                    This parameter can be one of the following values:
*                       - TIM_OCPreload_Enable
*                       - TIM_OCPreload_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_OC2PreloadConfig(TIM_TypeDef* TIMx, u16 TIM_OCPreload)
{
  u32 tmpccmr1 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));

  tmpccmr1 = TIMx->CCMR1;

  /* Reset the OCPE Bit */
  tmpccmr1 &= CCMR_OC24PE_Mask;

  /* Enable or Disable the Output Compare Preload feature */
  tmpccmr1 |= (u16)(TIM_OCPreload << 8);

  TIMx->CCMR1 = (u16)tmpccmr1;
}

/*******************************************************************************
* Function Name  : TIM_OC3PreloadConfig
* Description    : Enables or disables the TIMx peripheral Preload register on CCR3.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCPreload: new state of the TIMx peripheral Preload
*                    register
*                    This parameter can be one of the following values:
*                       - TIM_OCPreload_Enable
*                       - TIM_OCPreload_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_OC3PreloadConfig(TIM_TypeDef* TIMx, u16 TIM_OCPreload)
{
  u32 tmpccmr2 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));

  tmpccmr2 = TIMx->CCMR2;

  /* Reset the OCPE Bit */
  tmpccmr2 &= CCMR_OC13PE_Mask;

  /* Enable or Disable the Output Compare Preload feature */
  tmpccmr2 |= TIM_OCPreload;

  TIMx->CCMR2 = (u16)tmpccmr2;
}

/*******************************************************************************
* Function Name  : TIM_OC4PreloadConfig
* Description    : Enables or disables the TIMx peripheral Preload register on CCR4.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCPreload: new state of the TIMx peripheral Preload
*                    register
*                    This parameter can be one of the following values:
*                       - TIM_OCPreload_Enable
*                       - TIM_OCPreload_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_OC4PreloadConfig(TIM_TypeDef* TIMx, u16 TIM_OCPreload)
{
  u32 tmpccmr2 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCPRELOAD_STATE(TIM_OCPreload));

  tmpccmr2 = TIMx->CCMR2;

  /* Reset the OCPE Bit */
  tmpccmr2 &= CCMR_OC24PE_Mask;

  /* Enable or Disable the Output Compare Preload feature */
  tmpccmr2 |= (u16)(TIM_OCPreload << 8);

  TIMx->CCMR2 = (u16)tmpccmr2;
}

/*******************************************************************************
* Function Name  : TIM_OC1FastConfig
* Description    : Configures the TIMx Output Compare 1 Fast feature.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCFast: new state of the Output Compare Fast Enable Bit.
*                    This parameter can be one of the following values:
*                       - TIM_OCFast_Enable
*                       - TIM_OCFast_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_OC1FastConfig(TIM_TypeDef* TIMx, u16 TIM_OCFast)
{
  u32 tmpccmr1 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));

  tmpccmr1 = TIMx->CCMR1;

  /* Reset the OCFE Bit */
  tmpccmr1 &= CCMR_OC13FE_Mask;

  /* Enable or Disable the Output Compare Fast Bit */
  tmpccmr1 |= TIM_OCFast;

  TIMx->CCMR1 = (u16)tmpccmr1;
}

/*******************************************************************************
* Function Name  : TIM_OC2FastConfig
* Description    : Configures the TIMx Output Compare 2 Fast feature.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCFast: new state of the Output Compare Fast Enable Bit.
*                    This parameter can be one of the following values:
*                       - TIM_OCFast_Enable
*                       - TIM_OCFast_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_OC2FastConfig(TIM_TypeDef* TIMx, u16 TIM_OCFast)
{
  u32 tmpccmr1 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));

  tmpccmr1 = TIMx->CCMR1;

  /* Reset the OCFE Bit */
  tmpccmr1 &= CCMR_OC24FE_Mask;

  /* Enable or Disable the Output Compare Fast Bit */
  tmpccmr1 |= (u16)(TIM_OCFast << 8);

  TIMx->CCMR1 = (u16)tmpccmr1;
}

/*******************************************************************************
* Function Name  : TIM_OC3FastConfig
* Description    : Configures the TIMx Output Compare 3 Fast feature.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCFast: new state of the Output Compare Fast Enable Bit.
*                    This parameter can be one of the following values:
*                       - TIM_OCFast_Enable
*                       - TIM_OCFast_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_OC3FastConfig(TIM_TypeDef* TIMx, u16 TIM_OCFast)
{
  u32 tmpccmr2 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));

  tmpccmr2 = TIMx->CCMR2;

  /* Reset the OCFE Bit */
  tmpccmr2 &= CCMR_OC13FE_Mask;

  /* Enable or Disable the Output Compare Fast Bit */
  tmpccmr2 |= TIM_OCFast;

  TIMx->CCMR2 = (u16)tmpccmr2;
}

/*******************************************************************************
* Function Name  : TIM_OC4FastConfig
* Description    : Configures the TIMx Output Compare 4 Fast feature.
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCFast: new state of the Output Compare Fast Enable Bit.
*                    This parameter can be one of the following values:
*                       - TIM_OCFast_Enable
*                       - TIM_OCFast_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_OC4FastConfig(TIM_TypeDef* TIMx, u16 TIM_OCFast)
{
  u32 tmpccmr2 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCFAST_STATE(TIM_OCFast));

  tmpccmr2 = TIMx->CCMR2;

  /* Reset the OCFE Bit */
  tmpccmr2 &= CCMR_OC24FE_Mask;

  /* Enable or Disable the Output Compare Fast Bit */
  tmpccmr2 |= (u16)(TIM_OCFast << 8);

  TIMx->CCMR2 = (u16)tmpccmr2;
}

/*******************************************************************************
* Function Name  : TIM_ClearOC1Ref
* Description    : Clears or safeguards the OCREF1 signal on an external event
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCClear: new state of the Output Compare Clear Enable Bit.
*                    This parameter can be one of the following values:
*                       - TIM_OCClear_Enable
*                       - TIM_OCClear_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_ClearOC1Ref(TIM_TypeDef* TIMx, u16 TIM_OCClear)
{
  u32 tmpccmr1 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));

  tmpccmr1 = TIMx->CCMR1;

  /* Reset the OCFE Bit */
  tmpccmr1 &= CCMR_OC13CE_Mask;

  /* Enable or Disable the Output Compare Clear Bit */
  tmpccmr1 |= (u16)(TIM_OCClear);

  TIMx->CCMR1 = (u16)tmpccmr1;
}

/*******************************************************************************
* Function Name  : TIM_ClearOC2Ref
* Description    : Clears or safeguards the OCREF2 signal on an external event
* Input          : - TIMx: where x can be 2, 3 or 4 to select the TIM peripheral.
*                  - TIM_OCClear: new state of the Output Compare Clear Enable Bit.
*                    This parameter can be one of the following values:
*                       - TIM_OCClear_Enable
*                       - TIM_OCClear_Disable
* Output         : None
* Return         : None
*******************************************************************************/
void TIM_ClearOC2Ref(TIM_TypeDef* TIMx, u16 TIM_OCClear)
{
  u32 tmpccmr1 = 0;

  /* Check the parameters */
  assert_param(IS_TIM_OCCLEAR_STATE(TIM_OCClear));

  tmpccmr1 = TIMx->CCMR1;

  /* Reset the OCFE Bit */
  tmpccmr1 &= CCMR_OC24CE_Mask;

  /* Enable or Disable the Output Compare Clear Bit */
  tmpccmr1 |= (u16)(TIM_OCClear << 8);