/**
* @brief Initializes the TIM3 peripheral according to the specified parameters.
* @param TIM3_Channel specifies the Input Capture Channel from @ref TIM3_Channel_TypeDef.
* @param TIM3_ICPolarity specifies the Input Capture Polarity from @ref TIM3_ICPolarity_TypeDef.
* @param TIM3_ICSelection specifies the Input Capture Selection from @ref TIM3_ICSelection_TypeDef.
* @param TIM3_ICPrescaler specifies the Input Capture Prescaler from @ref TIM3_ICPSC_TypeDef.
* @param TIM3_ICFilter specifies the Input Capture Filter value (value can be an integer from 0x00 to 0x0F).
* @retval None
*/
void TIM3_ICInit(TIM3_Channel_TypeDef TIM3_Channel,
TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
TIM3_ICSelection_TypeDef TIM3_ICSelection,
TIM3_ICPSC_TypeDef TIM3_ICPrescaler,
uint8_t TIM3_ICFilter)
{
/* Check the parameters */
assert_param(IS_TIM3_CHANNEL_OK(TIM3_Channel));
assert_param(IS_TIM3_IC_POLARITY_OK(TIM3_ICPolarity));
assert_param(IS_TIM3_IC_SELECTION_OK(TIM3_ICSelection));
assert_param(IS_TIM3_IC_PRESCALER_OK(TIM3_ICPrescaler));
assert_param(IS_TIM3_IC_FILTER_OK(TIM3_ICFilter));
if (TIM3_Channel != TIM3_CHANNEL_2)
{
/* TI1 Configuration */
TI1_Config((uint8_t)TIM3_ICPolarity,
(uint8_t)TIM3_ICSelection,
(uint8_t)TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC1Prescaler(TIM3_ICPrescaler);
}
else
{
/* TI2 Configuration */
TI2_Config((uint8_t)TIM3_ICPolarity,
(uint8_t)TIM3_ICSelection,
(uint8_t)TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC2Prescaler(TIM3_ICPrescaler);
}
}
/**
* @brief Configures the TIM2 Trigger as External Clock.
* @param TIM2_TIxExternalCLKSource : Specifies Trigger source.
* This parameter can be one of the @ref TIM2_TIxExternalCLK1Source_TypeDef enumeration.
* @param TIM2_ICPolarity : Specifies the TIx Polarity.
* This parameter can be @ref TIM2_ICPolarity_TypeDef enumeration.
* @param ICFilter : Specifies the filter value.
* This parameter must be a value between 0x00 and 0x0F
* @retval None
*/
void TIM2_TIxExternalClockConfig(TIM2_TIxExternalCLK1Source_TypeDef TIM2_TIxExternalCLKSource,
TIM2_ICPolarity_TypeDef TIM2_ICPolarity,
uint8_t ICFilter)
{
/* Check the parameters */
assert_param(IS_TIM2_TIXCLK_SOURCE(TIM2_TIxExternalCLKSource));
assert_param(IS_TIM2_IC_POLARITY(TIM2_ICPolarity));
assert_param(IS_TIM2_IC_FILTER(ICFilter));
/* Configure the TIM2 Input Clock Source */
if (TIM2_TIxExternalCLKSource == TIM2_TIxExternalCLK1Source_TI2)
{
TI2_Config(TIM2_ICPolarity, TIM2_ICSelection_DirectTI, ICFilter);
}
else
{
TI1_Config(TIM2_ICPolarity, TIM2_ICSelection_DirectTI, ICFilter);
}
/* Select the Trigger source */
TIM2_SelectInputTrigger((TIM2_TRGSelection_TypeDef)TIM2_TIxExternalCLKSource);
/* Select the External clock mode1 */
TIM2->SMCR |= (uint8_t)(TIM2_SlaveMode_External1);
}
/**
* @brief Initializes the TIM2 peripheral according to the specified parameters.
* @param TIM2_Channel : This parameter can be any member of the @Ref TIM2_Channel_TypeDef enumeration.
* @param TIM2_ICPolarity : This parameter can be any member of the @Ref TIM2_ICPolarity_TypeDef enumeration.
* @param TIM2_ICSelection : This parameter can be any member of the @Ref TIM2_ICSelection_TypeDef enumeration.
* @param TIM2_ICPrescaler : This parameter can be any member of the @Ref TIM2_ICPSC_TypeDef enumeration.
* @param TIM2_ICFilter : This parameter must be a value between 0x00 and 0x0F.
* @retval None
*/
void TIM2_ICInit(TIM2_Channel_TypeDef TIM2_Channel,
TIM2_ICPolarity_TypeDef TIM2_ICPolarity,
TIM2_ICSelection_TypeDef TIM2_ICSelection,
TIM2_ICPSC_TypeDef TIM2_ICPrescaler,
uint8_t TIM2_ICFilter)
{
/* Check the parameters */
assert_param(IS_TIM2_CHANNEL(TIM2_Channel));
if (TIM2_Channel == TIM2_Channel_1)
{
/* TI1 Configuration */
TI1_Config(TIM2_ICPolarity, TIM2_ICSelection, TIM2_ICFilter);
/* Set the Input Capture Prescaler value */
TIM2_SetIC1Prescaler(TIM2_ICPrescaler);
}
else /* if (TIM2_Channel == TIM2_Channel_2) */
{
/* TI2 Configuration */
TI2_Config(TIM2_ICPolarity, TIM2_ICSelection, TIM2_ICFilter);
/* Set the Input Capture Prescaler value */
TIM2_SetIC2Prescaler(TIM2_ICPrescaler);
}
}
/**
* @brief Configures the TIM3 peripheral in PWM Input Mode according to the specified parameters.
* @param TIM3_Channel specifies the Input Capture Channel from @ref TIM3_Channel_TypeDef.
* @param TIM3_ICPolarity specifies the Input Capture Polarity from @ref TIM3_ICPolarity_TypeDef.
* @param TIM3_ICSelection specifies the Input Capture Selection from @ref TIM3_ICSelection_TypeDef.
* @param TIM3_ICPrescaler specifies the Input Capture Prescaler from @ref TIM3_ICPSC_TypeDef.
* @param TIM3_ICFilter specifies the Input Capture Filter value (value can be an integer from 0x00 to 0x0F).
* @retval None
*/
void TIM3_PWMIConfig(TIM3_Channel_TypeDef TIM3_Channel,
TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
TIM3_ICSelection_TypeDef TIM3_ICSelection,
TIM3_ICPSC_TypeDef TIM3_ICPrescaler,
uint8_t TIM3_ICFilter)
{
uint8_t icpolarity = (uint8_t)TIM3_ICPOLARITY_RISING;
uint8_t icselection = (uint8_t)TIM3_ICSELECTION_DIRECTTI;
/* Check the parameters */
assert_param(IS_TIM3_PWMI_CHANNEL_OK(TIM3_Channel));
assert_param(IS_TIM3_IC_POLARITY_OK(TIM3_ICPolarity));
assert_param(IS_TIM3_IC_SELECTION_OK(TIM3_ICSelection));
assert_param(IS_TIM3_IC_PRESCALER_OK(TIM3_ICPrescaler));
/* Select the Opposite Input Polarity */
if (TIM3_ICPolarity != TIM3_ICPOLARITY_FALLING)
{
icpolarity = (uint8_t)TIM3_ICPOLARITY_FALLING;
}
else
{
icpolarity = (uint8_t)TIM3_ICPOLARITY_RISING;
}
/* Select the Opposite Input */
if (TIM3_ICSelection == TIM3_ICSELECTION_DIRECTTI)
{
icselection = (uint8_t)TIM3_ICSELECTION_INDIRECTTI;
}
else
{
icselection = (uint8_t)TIM3_ICSELECTION_DIRECTTI;
}
if (TIM3_Channel != TIM3_CHANNEL_2)
{
/* TI1 Configuration */
TI1_Config((uint8_t)TIM3_ICPolarity, (uint8_t)TIM3_ICSelection,
(uint8_t)TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC1Prescaler(TIM3_ICPrescaler);
/* TI2 Configuration */
TI2_Config(icpolarity, icselection, TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC2Prescaler(TIM3_ICPrescaler);
}
else
{
/* TI2 Configuration */
TI2_Config((uint8_t)TIM3_ICPolarity, (uint8_t)TIM3_ICSelection,
(uint8_t)TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC2Prescaler(TIM3_ICPrescaler);
/* TI1 Configuration */
TI1_Config(icpolarity, icselection, TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC1Prescaler(TIM3_ICPrescaler);
}
}
/**
* @brief Configures the TIM2 peripheral in PWM Input Mode according to the
* specified parameters.
* @param TIM2_Channel : This parameter can be any member of the @Ref TIM2_Channel_TypeDef enumeration.
* @param TIM2_ICPolarity : This parameter can be any member of the @Ref TIM2_ICPolarity_TypeDef enumeration.
* @param TIM2_ICSelection : This parameter can be any member of the @Ref TIM2_ICSelection_TypeDef enumeration.
* @param TIM2_ICPrescaler : This parameter can be any member of the @Ref TIM2_ICPSC_TypeDef enumeration.
* @param TIM2_ICFilter : This parameter must be a value between 0x00 and 0x0F.
* @retval None
*/
void TIM2_PWMIConfig(TIM2_Channel_TypeDef TIM2_Channel,
TIM2_ICPolarity_TypeDef TIM2_ICPolarity,
TIM2_ICSelection_TypeDef TIM2_ICSelection,
TIM2_ICPSC_TypeDef TIM2_ICPrescaler,
uint8_t TIM2_ICFilter)
{
uint8_t icpolarity = TIM2_ICPolarity_Rising;
uint8_t icselection = TIM2_ICSelection_DirectTI;
/* Check the parameters */
assert_param(IS_TIM2_CHANNEL(TIM2_Channel));
/* Select the Opposite Input Polarity */
if (TIM2_ICPolarity == TIM2_ICPolarity_Rising)
{
icpolarity = TIM2_ICPolarity_Falling;
}
else
{
icpolarity = TIM2_ICPolarity_Rising;
}
/* Select the Opposite Input */
if (TIM2_ICSelection == TIM2_ICSelection_DirectTI)
{
icselection = TIM2_ICSelection_IndirectTI;
}
else
{
icselection = TIM2_ICSelection_DirectTI;
}
if (TIM2_Channel == TIM2_Channel_1)
{
/* TI1 Configuration */
TI1_Config(TIM2_ICPolarity, TIM2_ICSelection,
TIM2_ICFilter);
/* Set the Input Capture Prescaler value */
TIM2_SetIC1Prescaler(TIM2_ICPrescaler);
/* TI2 Configuration */
TI2_Config((TIM2_ICPolarity_TypeDef)icpolarity, (TIM2_ICSelection_TypeDef)icselection, TIM2_ICFilter);
/* Set the Input Capture Prescaler value */
TIM2_SetIC2Prescaler(TIM2_ICPrescaler);
}
else
{
/* TI2 Configuration */
TI2_Config(TIM2_ICPolarity, TIM2_ICSelection,
TIM2_ICFilter);
/* Set the Input Capture Prescaler value */
TIM2_SetIC2Prescaler(TIM2_ICPrescaler);
/* TI1 Configuration */
TI1_Config((TIM2_ICPolarity_TypeDef)icpolarity, (TIM2_ICSelection_TypeDef)icselection, TIM2_ICFilter);
/* Set the Input Capture Prescaler value */
TIM2_SetIC1Prescaler(TIM2_ICPrescaler);
}
}
