/**
  ******************************************************************************
  * @file stm8l10x_tim3.c
  * @brief This file contains all the functions for the TIM3 peripheral.
  * @author STMicroelectronics - MCD Application Team
  * @version V1.1.0
  * @date    09/14/2009
  ******************************************************************************
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
  * @image html logo.bmp
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm8l10x_tim3.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void TI1_Config(TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
                       TIM3_ICSelection_TypeDef TIM3_ICSelection,
                       uint8_t TIM3_ICFilter);
static void TI2_Config(TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
                       TIM3_ICSelection_TypeDef TIM3_ICSelection,
                       uint8_t TIM3_ICFilter);


/**
  * @addtogroup TIM3_Public_Functions
  * @{
  */

/**
  * @brief Deinitializes the TIM3 peripheral registers to their default reset values.
  * @par Parameters:
  * None
  * @retval None
  */
void TIM3_DeInit(void)
{
    TIM3->CR1 = TIM_CR1_RESET_VALUE;
    TIM3->CR2 = TIM_CR2_RESET_VALUE;
    TIM3->SMCR = TIM_SMCR_RESET_VALUE;
    TIM3->ETR = TIM_ETR_RESET_VALUE;
    TIM3->IER = TIM_IER_RESET_VALUE;
    TIM3->SR2 = TIM_SR2_RESET_VALUE;

    /* Disable channels */
    TIM3->CCER1 = TIM_CCER1_RESET_VALUE;
    /* Configure channels as inputs: it is necessary if lock level is equal to 2 or 3 */
    TIM3->CCMR1 = 0x01;/*TIM3_ICxSource_TIxFPx */
    TIM3->CCMR2 = 0x01;/*TIM3_ICxSource_TIxFPx */

    /* Then reset channel registers: it also works if lock level is equal to 2 or 3 */
    TIM3->CCER1 = TIM_CCER1_RESET_VALUE;
    TIM3->CCMR1 = TIM_CCMR1_RESET_VALUE;
    TIM3->CCMR2 = TIM_CCMR2_RESET_VALUE;

    TIM3->CNTRH = TIM_CNTRH_RESET_VALUE;
    TIM3->CNTRL = TIM_CNTRL_RESET_VALUE;

    TIM3->PSCR = TIM_PSCR_RESET_VALUE;

    TIM3->ARRH = TIM_ARRH_RESET_VALUE;
    TIM3->ARRL = TIM_ARRL_RESET_VALUE;

    TIM3->CCR1H = TIM_CCR1H_RESET_VALUE;
    TIM3->CCR1L = TIM_CCR1L_RESET_VALUE;
    TIM3->CCR2H = TIM_CCR2H_RESET_VALUE;
    TIM3->CCR2L = TIM_CCR2L_RESET_VALUE;


    TIM3->OISR = TIM_OISR_RESET_VALUE;
    TIM3->EGR = 0x01;/*TIM_EGR_UG;*/
    TIM3->BKR = TIM_BKR_RESET_VALUE;
    TIM3->SR1 = TIM_SR1_RESET_VALUE;
}

/**
  * @brief Initializes the TIM3 Time Base Unit according to the specified  parameters.
  * @param[in] TIM3_Prescaler : This parameter can be any member of the @Ref TIM3_Prescaler_TypeDef enumeration.
  * @param[in] TIM3_CounterMode : This parameter can be any member of the @Ref TIM3_CounterMode_TypeDef enumeration.
  * @param[in] TIM3_Period : This parameter must be a value between 0x0000 and 0xFFFF.
  * @retval None
  */

void TIM3_TimeBaseInit(TIM3_Prescaler_TypeDef TIM3_Prescaler,
                       TIM3_CounterMode_TypeDef TIM3_CounterMode,
                       uint16_t TIM3_Period)
{

    assert_param(IS_TIM3_PRESCALER(TIM3_Prescaler));
    assert_param(IS_TIM3_COUNTER_MODE(TIM3_CounterMode));



    /* Set the Autoreload value */
    TIM3->ARRH = (uint8_t)(TIM3_Period >> 8) ;
    TIM3->ARRL = (uint8_t)(TIM3_Period);

    /* Set the Prescaler value */
    TIM3->PSCR = (uint8_t)(TIM3_Prescaler);

    /* Select the Counter Mode */
    TIM3->CR1 &= (uint8_t)((uint8_t)(~TIM_CR1_CMS)) & ((uint8_t)(~TIM_CR1_DIR));
    TIM3->CR1 |= (uint8_t)(TIM3_CounterMode);
}

/**
  * @brief Initializes the TIM3 Channel1 according to the specified parameters.
  * @param[in] TIM3_OCMode : This parameter can be any member of the @Ref TIM3_OCMode_TypeDef enumeration.
  * @param[in] TIM3_OutputState : This parameter can be any member of the @Ref TIM3_OutputState_TypeDef enumeration.
  * @param[in] TIM3_Pulse : This parameter must be a value between 0x0000 and 0xFFFF.
  * @param[in] TIM3_OCPolarity : This parameter can be any member of the @Ref TIM3_OCPolarity_TypeDef enumeration.
  * @param[in] TIM3_OCIdleState : This parameter can be any member of the @Ref TIM3_OCIdleState_TypeDef  enumeration.
  * @retval None
  */
void TIM3_OC1Init(TIM3_OCMode_TypeDef TIM3_OCMode,
                  TIM3_OutputState_TypeDef TIM3_OutputState,
                  uint16_t TIM3_Pulse,
                  TIM3_OCPolarity_TypeDef TIM3_OCPolarity,
                  TIM3_OCIdleState_TypeDef TIM3_OCIdleState)
{
    uint8_t tmpccmr1 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_OC_MODE(TIM3_OCMode));
    assert_param(IS_TIM3_OUTPUT_STATE(TIM3_OutputState));
    assert_param(IS_TIM3_OC_POLARITY(TIM3_OCPolarity));
    assert_param(IS_TIM3_OCIDLE_STATE(TIM3_OCIdleState));

    tmpccmr1 = TIM3->CCMR1;

    /* Disable the Channel 1: Reset the CCE Bit */
    TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E);
    /* Reset the Output Compare Bits */
    tmpccmr1 &= (uint8_t)(~TIM_CCMR_OCM);

    /* Set the Ouput Compare Mode */
    tmpccmr1 |= (uint8_t)TIM3_OCMode;

    TIM3->CCMR1 = tmpccmr1;

    /* Set the Output State */
    if (TIM3_OutputState == TIM3_OutputState_Enable)
    {
        TIM3->CCER1 |= TIM_CCER1_CC1E;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E);
    }

    /* Set the Output Polarity */
    if (TIM3_OCPolarity == TIM3_OCPolarity_Low)
    {
        TIM3->CCER1 |= TIM_CCER1_CC1P;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1P);
    }

    /* Set the Output Idle state */
    if (TIM3_OCIdleState == TIM3_OCIdleState_Set)
    {
        TIM3->OISR |= TIM_OISR_OIS1;
    }
    else
    {
        TIM3->OISR &= (uint8_t)(~TIM_OISR_OIS1);
    }

    /* Set the Pulse value */
    TIM3->CCR1H = (uint8_t)(TIM3_Pulse >> 8);
    TIM3->CCR1L = (uint8_t)(TIM3_Pulse);
}

/**
  * @brief Initializes the TIM3 Channel2 according to the specified parameters.
   * @param[in]  TIM3_OCMode : This parameter can be any member of the @Ref TIM3_OCMode_TypeDef enumeration.
  * @param[in] TIM3_OutputState : This parameter can be any member of the @Ref TIM3_OutputState_TypeDef enumeration.
  * @param[in]  TIM3_Pulse : This parameter must be a value between 0x0000 and 0xFFFF.
  * @param[in] TIM3_OCPolarity : This parameter can be any member of the @Ref TIM3_OCPolarity_TypeDef enumeration.
  * @param[in]  TIM3_OCIdleState : This parameter can be any member of the @Ref TIM3_OCIdleState_TypeDef  enumeration.
  * @retval None
  */
void TIM3_OC2Init(TIM3_OCMode_TypeDef TIM3_OCMode,
                  TIM3_OutputState_TypeDef TIM3_OutputState,
                  uint16_t TIM3_Pulse,
                  TIM3_OCPolarity_TypeDef TIM3_OCPolarity,
                  TIM3_OCIdleState_TypeDef TIM3_OCIdleState)
{
    uint8_t tmpccmr2 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_OC_MODE(TIM3_OCMode));
    assert_param(IS_TIM3_OUTPUT_STATE(TIM3_OutputState));
    assert_param(IS_TIM3_OC_POLARITY(TIM3_OCPolarity));
    assert_param(IS_TIM3_OCIDLE_STATE(TIM3_OCIdleState));

    tmpccmr2 = TIM3->CCMR2;

    /* Disable the Channel 2: Reset the CCE Bit */
    TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E);

    /* Reset the Output Compare Bits */
    tmpccmr2 &= (uint8_t)(~TIM_CCMR_OCM);

    /* Set the Ouput Compare Mode */
    tmpccmr2 |= (uint8_t)TIM3_OCMode;

    TIM3->CCMR2 = tmpccmr2;

    /* Set the Output State */
    if (TIM3_OutputState == TIM3_OutputState_Enable)
    {
        TIM3->CCER1 |= TIM_CCER1_CC2E;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E);
    }

    /* Set the Output Polarity */
    if (TIM3_OCPolarity == TIM3_OCPolarity_Low)
    {
        TIM3->CCER1 |= TIM_CCER1_CC2P;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2P);
    }


    /* Set the Output Idle state */
    if (TIM3_OCIdleState == TIM3_OCIdleState_Set)
    {
        TIM3->OISR |= TIM_OISR_OIS2;
    }
    else
    {
        TIM3->OISR &= (uint8_t)(~TIM_OISR_OIS2);
    }

    /* Set the Pulse value */
    TIM3->CCR2H = (uint8_t)(TIM3_Pulse >> 8);
    TIM3->CCR2L = (uint8_t)(TIM3_Pulse);
}

/**
  * @brief Configures the Break feature, dead time, Lock level, the OSSI,
  * and the AOE(automatic output enable).
  * @param[in] TIM3_OSSIState : Off-State Selection for Idle mode states.
	* This parameter can be any member of the @Ref TIM3_OSSIState_TypeDef enumeration.
  * @param[in] TIM3_LockLevel : Lock level.
	* This parameter can be any member of the @Ref TIM3_LockLevel_TypeDef enumeration.
  * @param[in] TIM3_BreakState : Break Input enable/disable .
	* This parameter can be any member of the @Ref TIM3_BreakState_TypeDef enumeration.
  * @param[in] TIM3_BreakPolarity : Break Polarity.
	* This parameter can be any member of the @Ref TIM3_BreakPolarity_TypeDef enumeration.
  * @param[in] TIM3_AutomaticOutput : TIM3 AOE Bit Set/Reset .
	* This parameter can be anymember of the @Ref TIM3_AutomaticOutput_TypeDef enumeration.
	* @retval None
  */
void TIM3_BKRConfig(TIM3_OSSIState_TypeDef TIM3_OSSIState,
                    TIM3_LockLevel_TypeDef TIM3_LockLevel,
                    TIM3_BreakState_TypeDef TIM3_BreakState,
                    TIM3_BreakPolarity_TypeDef TIM3_BreakPolarity,
                    TIM3_AutomaticOutput_TypeDef TIM3_AutomaticOutput)

{
    /* Check the parameters */
    assert_param(IS_TIM3_OSSI_STATE(TIM3_OSSIState));
    assert_param(IS_TIM3_LOCK_LEVEL(TIM3_LockLevel));
    assert_param(IS_TIM3_BREAK_STATE(TIM3_BreakState));
    assert_param(IS_TIM3_BREAK_POLARITY(TIM3_BreakPolarity));
    assert_param(IS_TIM3_AUTOMATIC_OUTPUT_STATE(TIM3_AutomaticOutput));



    /* Set the Lock level, the Break enable Bit and the Ploarity, the OSSI State,
    the dead time value and the Automatic Output Enable Bit */

    TIM3->BKR = (uint8_t)((uint8_t)TIM3_OSSIState|(uint8_t)TIM3_LockLevel| \
                          (uint8_t)TIM3_BreakState|(uint8_t)TIM3_BreakPolarity|\
                          (uint8_t)TIM3_AutomaticOutput);
}

/**
  * @brief Initializes the TIM3 peripheral according to the specified parameters.
  * @param[in] TIM3_Channel : This parameter can be any member of the @Ref TIM3_Channel_TypeDef enumeration.
  * @param[in] TIM3_ICPolarity : This parameter can be any member of the @Ref TIM3_ICPolarity_TypeDef enumeration.
  * @param[in] TIM3_ICSelection : This parameter can be any member of the @Ref TIM3_ICSelection_TypeDef enumeration.
  * @param[in] TIM3_ICPrescaler : This parameter can be any member of the @Ref TIM3_ICPSC_TypeDef enumeration.
  * @param[in] TIM3_ICFilter : This parameter must be a value between 0x00 and 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(TIM3_Channel));

    if (TIM3_Channel == TIM3_Channel_1)
    {
        /* TI1 Configuration */
        TI1_Config(TIM3_ICPolarity,
                   TIM3_ICSelection,
                   TIM3_ICFilter);

        /* Set the Input Capture Prescaler value */
        TIM3_SetIC1Prescaler(TIM3_ICPrescaler);
    }
    else /* if (TIM3_Channel == TIM3_Channel_2) */
    {
        /* TI2 Configuration */
        TI2_Config(TIM3_ICPolarity,
                   TIM3_ICSelection,
                   TIM3_ICFilter);
        /* Set the Input Capture Prescaler value */
        TIM3_SetIC2Prescaler(TIM3_ICPrescaler);
    }
}

/**
  * @brief Configures the TIM3 peripheral in PWM Input Mode according to the
  * specified parameters.
  * @param[in] TIM3_Channel : This parameter can be any member of the @Ref TIM3_Channel_TypeDef enumeration.
  * @param[in] TIM3_ICPolarity : This parameter can be any member of the @Ref TIM3_ICPolarity_TypeDef enumeration.
  * @param[in] TIM3_ICSelection : This parameter can be any member of the @Ref TIM3_ICSelection_TypeDef enumeration.
  * @param[in] TIM3_ICPrescaler : This parameter can be any member of the @Ref TIM3_ICPSC_TypeDef enumeration.
  * @param[in] TIM3_ICFilter : This parameter must be a value between 0x00 and 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 = TIM3_ICPolarity_Rising;
    uint8_t icselection = TIM3_ICSelection_DirectTI;

    /* Check the parameters */
    assert_param(IS_TIM3_CHANNEL(TIM3_Channel));

    /* Select the Opposite Input Polarity */
    if (TIM3_ICPolarity == TIM3_ICPolarity_Rising)
    {
        icpolarity = TIM3_ICPolarity_Falling;
    }
    else
    {
        icpolarity = TIM3_ICPolarity_Rising;
    }

    /* Select the Opposite Input */
    if (TIM3_ICSelection == TIM3_ICSelection_DirectTI)
    {
        icselection = TIM3_ICSelection_IndirectTI;
    }
    else
    {
        icselection = TIM3_ICSelection_DirectTI;
    }

    if (TIM3_Channel == TIM3_Channel_1)
    {
        /* TI1 Configuration */
        TI1_Config(TIM3_ICPolarity, TIM3_ICSelection,
                   TIM3_ICFilter);

        /* Set the Input Capture Prescaler value */
        TIM3_SetIC1Prescaler(TIM3_ICPrescaler);

        /* TI2 Configuration */
        TI2_Config((TIM3_ICPolarity_TypeDef)icpolarity, (TIM3_ICSelection_TypeDef)icselection, TIM3_ICFilter);

        /* Set the Input Capture Prescaler value */
        TIM3_SetIC2Prescaler(TIM3_ICPrescaler);
    }
    else
    {
        /* TI2 Configuration */
        TI2_Config(TIM3_ICPolarity, TIM3_ICSelection,
                   TIM3_ICFilter);

        /* Set the Input Capture Prescaler value */
        TIM3_SetIC2Prescaler(TIM3_ICPrescaler);

        /* TI1 Configuration */
        TI1_Config((TIM3_ICPolarity_TypeDef)icpolarity, (TIM3_ICSelection_TypeDef)icselection, TIM3_ICFilter);

        /* Set the Input Capture Prescaler value */
        TIM3_SetIC1Prescaler(TIM3_ICPrescaler);
    }
}

/**
  * @brief Enables or disables the TIM3 peripheral.
  * @param[in] NewState : The new state of the TIM3 peripheral.
	* This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_Cmd(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* set or Reset the CEN Bit */
    if (NewState != DISABLE)
    {
        TIM3->CR1 |= TIM_CR1_CEN;
    }
    else
    {
        TIM3->CR1 &= (uint8_t)(~TIM_CR1_CEN);
    }
}

/**
  * @brief Enables or disables the TIM3 peripheral Main Outputs.
  * @param[in] NewState : The new state of the TIM3 peripheral.
	* This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_CtrlPWMOutputs(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the MOE Bit */

    if (NewState != DISABLE)
    {
        TIM3->BKR |= TIM_BKR_MOE ;
    }
    else
    {
        TIM3->BKR &= (uint8_t)(~TIM_BKR_MOE) ;
    }
}
/**
  * @brief Enables or disables the specified TIM3 interrupts.
  * @param[in] TIM3_IT : Specifies the TIM3 interrupts sources to be enabled or disabled.
  * This parameter can be any combination of the @ref TIM3_IT_TypeDef enumeration.
  * @param[in] NewState : The new state of the TIM3 peripheral.
	* This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_ITConfig(TIM3_IT_TypeDef TIM3_IT, FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_TIM3_IT(TIM3_IT));
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    if (NewState != DISABLE)
    {
        /* Enable the Interrupt sources */
        TIM3->IER |= (uint8_t)TIM3_IT;
    }
    else
    {
        /* Disable the Interrupt sources */
        TIM3->IER &= (uint8_t)(~(uint8_t)TIM3_IT);
    }
}

/**
  * @brief Enables the TIM3 internal Clock.
  * @par Parameters:
  * None
  * @retval None
  */
void TIM3_InternalClockConfig(void)
{
    /* Disable slave mode to clock the prescaler directly with the internal clock */
    TIM3->SMCR &=  (uint8_t)(~TIM_SMCR_SMS);
}

/**
  * @brief Configures the TIM3 External clock Mode1.
  * @param[in] TIM3_ExtTRGPrescaler : Specifies the external Trigger Prescaler.
  * This parameter can be one of @ref TIM3_ExtTRGPSC_TypeDef enumeration.
  * @param[in] TIM3_ExtTRGPolarity : Specifies the external Trigger Polarity.
  * This parameter can be one of @ref TIM3_ExtTRGPolarity_TypeDef enumeration.
  * @param[in] TIM3_ExtTRGFilter: Specifies the External Trigger Filter.
  * This parameter must be a value between 0x00 and 0x0F
  * @retval None
  */
void TIM3_ETRClockMode1Config(TIM3_ExtTRGPSC_TypeDef TIM3_ExtTRGPrescaler,
                              TIM3_ExtTRGPolarity_TypeDef TIM3_ExtTRGPolarity,
                              uint8_t TIM3_ExtTRGFilter)
{
    /* Configure the ETR Clock source */
    TIM3_ETRConfig(TIM3_ExtTRGPrescaler, TIM3_ExtTRGPolarity, TIM3_ExtTRGFilter);

    /* Select the External clock mode1 */
    TIM3->SMCR &= (uint8_t)(~TIM_SMCR_SMS);
    TIM3->SMCR |= (uint8_t)(TIM3_SlaveMode_External1);

    /* Select the Trigger selection : ETRF */
    TIM3->SMCR &= (uint8_t)(~TIM_SMCR_TS);
    TIM3->SMCR |= (uint8_t)((TIM3_TRGSelection_TypeDef)TIM3_TRGSelection_ETRF);
}

/**
  * @brief Configures the TIM3 External clock Mode2.
  * @param[in] TIM3_ExtTRGPrescaler : Specifies the external Trigger Prescaler.
  * This parameter can be one of the @ref TIM3_ExtTRGPSC_TypeDef enumeration.
  * @param[in] TIM3_ExtTRGPolarity : Specifies the external Trigger Polarity.
  * This parameter can be one of the @ref TIM3_ExtTRGPolarity_TypeDef enumeration.
  * @param[in] TIM3_ExtTRGFilter: Specifies the External Trigger Filter.
  * This parameter must be a value between 0x00 and 0x0F
  */
void TIM3_ETRClockMode2Config(TIM3_ExtTRGPSC_TypeDef TIM3_ExtTRGPrescaler,
                              TIM3_ExtTRGPolarity_TypeDef TIM3_ExtTRGPolarity,
                              uint8_t TIM3_ExtTRGFilter)
{
    /* Configure the ETR Clock source */
    TIM3_ETRConfig(TIM3_ExtTRGPrescaler, TIM3_ExtTRGPolarity, TIM3_ExtTRGFilter);

    /* Enable the External clock mode2 */
    TIM3->ETR |= TIM_ETR_ECE ;
}

/**
  * @brief Configures the TIM3 External Trigger.
  * @param[in] TIM3_ExtTRGPrescaler : Specifies the external Trigger Prescaler.
  * This parameter can be one of the @ref TIM3_ExtTRGPSC_TypeDef enumeration.
  * @param[in] TIM3_ExtTRGPolarity : Specifies the external Trigger Polarity.
  * This parameter can be one of the @ref TIM3_ExtTRGPolarity_TypeDef enumeration.
  * @param[in] TIM3_ExtTRGFilter: Specifies the External Trigger Filter.
  * This parameter must be a value between 0x00 and 0x0F
  * @retval None
  */
void TIM3_ETRConfig(TIM3_ExtTRGPSC_TypeDef TIM3_ExtTRGPrescaler,
                    TIM3_ExtTRGPolarity_TypeDef TIM3_ExtTRGPolarity,
                    uint8_t TIM3_ExtTRGFilter)
{
    /* Check the parameters */
    assert_param(IS_TIM3_EXT_PRESCALER(TIM3_ExtTRGPrescaler));
    assert_param(IS_TIM3_EXT_POLARITY(TIM3_ExtTRGPolarity));
    assert_param(IS_TIM3_EXT_FILTER(TIM3_ExtTRGFilter));
    /* Set the Prescaler, the Filter value and the Polarity */
    TIM3->ETR |= (uint8_t)((uint8_t)TIM3_ExtTRGPrescaler|(uint8_t)TIM3_ExtTRGPolarity|(uint8_t)TIM3_ExtTRGFilter);
}

/**
  * @brief Configures the TIM3 Trigger as External Clock.
  * @param[in] TIM3_TIxExternalCLKSource : Specifies Trigger source.
  * This parameter can be one of the @ref TIM3_TIxExternalCLK1Source_TypeDef enumeration.
  * @param[in] TIM3_ICPolarity : Specifies the TIx Polarity.
  * This parameter can be @ref TIM3_ICPolarity_TypeDef enumeration.
  * @param[in] TIM3_ICFilter : Specifies the filter value.
  * This parameter must be a value between 0x00 and 0x0F
  * @retval None
  */
void TIM3_TIxExternalClockConfig(TIM3_TIxExternalCLK1Source_TypeDef TIM3_TIxExternalCLKSource,
                                 TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
                                 uint8_t TIM3_ICFilter)
{
    /* Check the parameters */
    assert_param(IS_TIM3_TIXCLK_SOURCE(TIM3_TIxExternalCLKSource));
    assert_param(IS_TIM3_IC_POLARITY(TIM3_ICPolarity));
    assert_param(IS_TIM3_IC_FILTER(TIM3_ICFilter));

    /* Configure the TIM3 Input Clock Source */
    if (TIM3_TIxExternalCLKSource == TIM3_TIxExternalCLK1Source_TI2)
    {
        TI2_Config(TIM3_ICPolarity, TIM3_ICSelection_DirectTI, TIM3_ICFilter);
    }
    else
    {
        TI1_Config(TIM3_ICPolarity, TIM3_ICSelection_DirectTI, TIM3_ICFilter);
    }

    /* Select the Trigger source */
    TIM3_SelectInputTrigger((TIM3_TRGSelection_TypeDef)TIM3_TIxExternalCLKSource);

    /* Select the External clock mode1 */
    TIM3->SMCR |= (uint8_t)(TIM3_SlaveMode_External1);
}

/**
  * @brief Selects the TIM3 Input Trigger source.
  * @param[in] TIM3_InputTriggerSource : Specifies Input Trigger source.
  * This parameter can be one of the @ref TIM3_TRGSelection_TypeDef enumeration.
  * @retval None
  */
void TIM3_SelectInputTrigger(TIM3_TRGSelection_TypeDef TIM3_InputTriggerSource)
{
    uint8_t tmpsmcr = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_TRIGGER_SELECTION(TIM3_InputTriggerSource));

    tmpsmcr = TIM3->SMCR;

    /* Select the Tgigger Source */
    tmpsmcr &= (uint8_t)(~TIM_SMCR_TS);
    tmpsmcr |= (uint8_t)TIM3_InputTriggerSource;

    TIM3->SMCR = (uint8_t)tmpsmcr;
}

/**
  * @brief Enables or Disables the TIM3 Update event.
  * @param[in] NewState : The new state of the TIM3 peripheral Preload register.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */

void TIM3_UpdateDisableConfig(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the UDIS Bit */
    if (NewState != DISABLE)
    {
        TIM3->CR1 |= TIM_CR1_UDIS;
    }
    else
    {
        TIM3->CR1 &= (uint8_t)(~TIM_CR1_UDIS);
    }
}

/**
  * @brief Selects the TIM3 Update Request Interrupt source.
  * @param[in] TIM3_UpdateSource : Specifies the Update source.
  * This parameter can be one of the @ref TIM3_UpdateSource_TypeDef enumeration.
  * @retval None
  */
void TIM3_UpdateRequestConfig(TIM3_UpdateSource_TypeDef TIM3_UpdateSource)
{
    /* Check the parameters */
    assert_param(IS_TIM3_UPDATE_SOURCE(TIM3_UpdateSource));

    /* Set or Reset the URS Bit */
    if (TIM3_UpdateSource == TIM3_UpdateSource_Regular)
    {
        TIM3->CR1 |= TIM_CR1_URS ;
    }
    else
    {
        TIM3->CR1 &= (uint8_t)(~TIM_CR1_URS);
    }
}

/**
  * @brief Enables or Disables the TIM’s Hall sensor interface.
  * @param[in] NewState : The new state of the TIM3 Hall sensor interface.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_SelectHallSensor(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the TI1S Bit */
    if (NewState != DISABLE)
    {
        TIM3->CR2 |= TIM_CR2_TI1S;
    }
    else
    {
        TIM3->CR2 &= (uint8_t)(~TIM_CR2_TI1S);
    }
}

/**
  * @brief Selects the TIM’s One Pulse Mode.
  * @param[in] TIM3_OPMode : Specifies the OPM Mode to be used.
  * This parameter can be one of the @ref TIM3_OPMode_TypeDef enumeration.
  * @retval None
  */
void TIM3_SelectOnePulseMode(TIM3_OPMode_TypeDef TIM3_OPMode)
{
    /* Check the parameters */
    assert_param(IS_TIM3_OPM_MODE(TIM3_OPMode));

    /* Set or Reset the OPM Bit */
    if (TIM3_OPMode == TIM3_OPMode_Single)
    {
        TIM3->CR1 |= TIM_CR1_OPM ;
    }
    else
    {
        TIM3->CR1 &= (uint8_t)(~TIM_CR1_OPM);
    }
}

/**
  * @brief Selects the TIM3 Trigger Output Mode.
  * @param[in] TIM3_TRGOSource : Specifies the Trigger Output source.
  * This parameter can be one of the @ref TIM3_TRGOSource_TypeDef enumeration.
  * @retval None
  */
void TIM3_SelectOutputTrigger(TIM3_TRGOSource_TypeDef TIM3_TRGOSource)
{
    uint8_t tmpcr2 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_TRGO_SOURCE(TIM3_TRGOSource));

    tmpcr2 = TIM3->CR2;

    /* Reset the MMS Bits */
    tmpcr2 &= (uint8_t)(~TIM_CR2_MMS);

    /* Select the TRGO source */
    tmpcr2 |=  (uint8_t)TIM3_TRGOSource;

    TIM3->CR2 = tmpcr2;
}

/**
  * @brief Selects the TIM3 Slave Mode.
  * @param[in] TIM3_SlaveMode : Specifies the TIM3 Slave Mode.
  * This parameter can be one of the @ref TIM3_SlaveMode_TypeDef enumeration.
  * @retval None
  */
void TIM3_SelectSlaveMode(TIM3_SlaveMode_TypeDef TIM3_SlaveMode)
{
    uint8_t tmpsmcr = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_SLAVE_MODE(TIM3_SlaveMode));

    tmpsmcr = TIM3->SMCR;

    /* Reset the SMS Bits */
    tmpsmcr &= (uint8_t)(~TIM_SMCR_SMS);

    /* Select the Slave Mode */
    tmpsmcr |= (uint8_t)TIM3_SlaveMode;

    TIM3->SMCR = tmpsmcr;
}

/**
  * @brief Sets or Resets the TIM3 Master/Slave Mode.
  * @param[in] NewState : The new state of the synchronization between TIM3 and its slaves (through TRGO).
	* This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_SelectMasterSlaveMode(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the MSM Bit */
    if (NewState != DISABLE)
    {
        TIM3->SMCR |= TIM_SMCR_MSM;
    }
    else
    {
        TIM3->SMCR &= (uint8_t)(~TIM_SMCR_MSM);
    }
}

/**
  * @brief Configures the TIM3 Encoder Interface.
  * @param[in] TIM3_EncoderMode : Specifies the TIM3 Encoder Mode.
  * This parameter can be one of the @ref TIM3_EncoderMode_TypeDef enumeration.
  * @param[in] TIM3_IC1Polarity : Specifies the IC1 Polarity.
  * This parameter can be one of the @ref TIM3_ICPolarity_TypeDef enumeration.
  * @param[in] TIM3_IC2Polarity : Specifies the IC2 Polarity.
  * This parameter can be one of the @ref TIM3_ICPolarity_TypeDef enumeration.
  * @retval None
  */
void TIM3_EncoderInterfaceConfig(TIM3_EncoderMode_TypeDef TIM3_EncoderMode,
                                 TIM3_ICPolarity_TypeDef TIM3_IC1Polarity,
                                 TIM3_ICPolarity_TypeDef TIM3_IC2Polarity)
{
    uint8_t tmpsmcr = 0;
    uint8_t tmpccmr1 = 0;
    uint8_t tmpccmr2 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_ENCODER_MODE(TIM3_EncoderMode));
    assert_param(IS_TIM3_IC_POLARITY(TIM3_IC1Polarity));
    assert_param(IS_TIM3_IC_POLARITY(TIM3_IC2Polarity));

    tmpsmcr = TIM3->SMCR;
    tmpccmr1 = TIM3->CCMR1;
    tmpccmr2 = TIM3->CCMR2;

    /* Set the encoder Mode */
    tmpsmcr &= (uint8_t)(TIM_SMCR_MSM | TIM_SMCR_TS)  ;
    tmpsmcr |= (uint8_t)TIM3_EncoderMode;

    /* Select the Capture Compare 1 and the Capture Compare 2 as input */
    tmpccmr1 &= (uint8_t)(~TIM_CCMR_CCxS);
    tmpccmr2 &= (uint8_t)(~TIM_CCMR_CCxS);
    tmpccmr1 |= TIM_CCMR_TIxDirect_Set;
    tmpccmr2 |= TIM_CCMR_TIxDirect_Set;

    /* Set the TI1 and the TI2 Polarities */
    if (TIM3_IC1Polarity == TIM3_ICPolarity_Falling)
    {
        TIM3->CCER1 |= TIM_CCER1_CC1P ;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1P) ;
    }

    if (TIM3_IC2Polarity == TIM3_ICPolarity_Falling)
    {
        TIM3->CCER1 |= TIM_CCER1_CC2P ;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2P) ;
    }

    TIM3->SMCR = tmpsmcr;
    TIM3->CCMR1 = tmpccmr1;
    TIM3->CCMR2 = tmpccmr2;
}

/**
  * @brief Configures the TIM3 Prescaler.
  * @param[in] TIM3_Prescaler : Specifies the Prescaler Register value
  * This parameter can be one of the @ref TIM3_Prescaler_TypeDef enumeration.
  * @param[in] TIM3_PSCReloadMode : Specifies the TIM3 Prescaler Reload mode.
  * This parameter can be one of the @ref TIM3_PSCReloadMode_TypeDef enumeration.
  * @retval None
  */
void TIM3_PrescalerConfig(TIM3_Prescaler_TypeDef TIM3_Prescaler,
                          TIM3_PSCReloadMode_TypeDef TIM3_PSCReloadMode)
{
    /* Check the parameters */
    assert_param(IS_TIM3_PRESCALER(TIM3_Prescaler));
    assert_param(IS_TIM3_PRESCALER_RELOAD(TIM3_PSCReloadMode));

    /* Set the Prescaler value */
    TIM3->PSCR = (uint8_t)(TIM3_Prescaler);


    /* Set or reset the UG Bit */
    if (TIM3_PSCReloadMode == TIM3_PSCReloadMode_Immediate)
    {
        TIM3->EGR |= TIM_EGR_UG ;
    }
    else
    {
        TIM3->EGR &= (uint8_t)(~TIM_EGR_UG) ;
    }
}

/**
  * @brief Specifies the TIM3 Counter Mode to be used.
  * @param[in] TIM3_CounterMode : Specifies the Counter Mode to be used
  * This parameter can be one of the @ref TIM3_CounterMode_TypeDef enumeration.
  * @retval None
  */
void TIM3_CounterModeConfig(TIM3_CounterMode_TypeDef TIM3_CounterMode)
{
    uint8_t tmpcr1 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_COUNTER_MODE(TIM3_CounterMode));

    tmpcr1 = TIM3->CR1;

    /* Reset the CMS and DIR Bits */
    tmpcr1 &= (uint8_t)((uint8_t)(~TIM_CR1_CMS) & (uint8_t)(~TIM_CR1_DIR));

    /* Set the Counter Mode */
    tmpcr1 |= (uint8_t)TIM3_CounterMode;

    TIM3->CR1 = tmpcr1;
}

/**
  * @brief Forces the TIM3 Channel1 output waveform to active or inactive level.
  * @param[in] TIM3_ForcedAction : Specifies the forced Action to be set to the output waveform.
  * This parameter can be one of the @ref TIM3_ForcedAction_TypeDef enumeration.
  * @retval None
  */
void TIM3_ForcedOC1Config(TIM3_ForcedAction_TypeDef TIM3_ForcedAction)
{
    uint8_t tmpccmr1 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_FORCED_ACTION(TIM3_ForcedAction));

    tmpccmr1 = TIM3->CCMR1;

    /* Reset the OCM Bits */
    tmpccmr1 &= (uint8_t)(~TIM_CCMR_OCM);

    /* Configure The Forced output Mode */
    tmpccmr1 |= (uint8_t)TIM3_ForcedAction;

    TIM3->CCMR1 = tmpccmr1;
}

/**
  * @brief Forces the TIM3 Channel2 output waveform to active or inactive level.
  * @param[in] TIM3_ForcedAction : Specifies the forced Action to be set to the output waveform.
  * This parameter can be one of the @ref TIM3_ForcedAction_TypeDef enumeration.
  * @retval None
  */
void TIM3_ForcedOC2Config(TIM3_ForcedAction_TypeDef TIM3_ForcedAction)
{
    uint8_t tmpccmr2 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_FORCED_ACTION(TIM3_ForcedAction));

    tmpccmr2 = TIM3->CCMR2;

    /* Reset the OCM Bits */
    tmpccmr2 &= (uint8_t)(~TIM_CCMR_OCM);

    /* Configure The Forced output Mode */
    tmpccmr2 |= (uint8_t)TIM3_ForcedAction;

    TIM3->CCMR2 = tmpccmr2;
}

/**
  * @brief Enables or disables TIM3 peripheral Preload register on ARR.
  * @param[in] NewState : The new state of the TIM3 peripheral Preload register.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_ARRPreloadConfig(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the ARPE Bit */
    if (NewState != DISABLE)
    {
        TIM3->CR1 |= TIM_CR1_ARPE;
    }
    else
    {
        TIM3->CR1 &= (uint8_t)(~TIM_CR1_ARPE);
    }
}

/**
  * @brief Enables or disables the TIM3 peripheral Preload Register on CCR1.
  * @param[in] NewState : new state of the Capture Compare Preload register.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_OC1PreloadConfig(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the OC1PE Bit */
    if (NewState != DISABLE)
    {
        TIM3->CCMR1 |= TIM_CCMR_OCxPE ;
    }
    else
    {
        TIM3->CCMR1 &= (uint8_t)(~TIM_CCMR_OCxPE) ;
    }
}

/**
  * @brief Enables or disables the TIM3 peripheral Preload Register on CCR2.
  * @param[in] NewState : The new state of the Capture Compare Preload register.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_OC2PreloadConfig(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the OC2PE Bit */
    if (NewState != DISABLE)
    {
        TIM3->CCMR2 |= TIM_CCMR_OCxPE ;
    }
    else
    {
        TIM3->CCMR2 &= (uint8_t)(~TIM_CCMR_OCxPE) ;
    }
}

/**
  * @brief Configures the TIM3 Capture Compare 1 Fast feature.
  * @param[in] NewState : The new state of the Output Compare Fast Enable bit.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_OC1FastCmd(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the OC1FE Bit */
    if (NewState != DISABLE)
    {
        TIM3->CCMR1 |= TIM_CCMR_OCxFE ;
    }
    else
    {
        TIM3->CCMR1 &= (uint8_t)(~TIM_CCMR_OCxFE) ;
    }
}

/**
  * @brief Configures the TIM3 Capture Compare 2 Fast feature.
  * @param[in] NewState : The new state of the Output Compare Fast Enable bit.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_OC2FastCmd(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    /* Set or Reset the OC2FE Bit */
    if (NewState != DISABLE)
    {
        TIM3->CCMR2 |= TIM_CCMR_OCxFE ;
    }
    else
    {
        TIM3->CCMR2 &= (uint8_t)(~TIM_CCMR_OCxFE) ;
    }
}

/**
  * @brief Configures the TIM3 event to be generated by software.
  * @param[in] TIM3_EventSource : Specifies the event source.
  * This parameter can be one of the @ref TIM3_EventSource_TypeDef enumeration.
  * @retval None
  */
void TIM3_GenerateEvent(TIM3_EventSource_TypeDef TIM3_EventSource)
{
    /* Check the parameters */
    assert_param(IS_TIM3_EVENT_SOURCE((uint8_t)TIM3_EventSource));

    /* Set the event sources */
    TIM3->EGR |= (uint8_t)TIM3_EventSource;
}

/**
  * @brief Configures the TIM3 Channel 1 polarity.
  * @param[in] TIM3_OCPolarity : Specifies the OC1 Polarity.
  * This parameter can be one of the @ref TIM3_OCPolarity_TypeDef enumeration.
  * @retval None
  */
void TIM3_OC1PolarityConfig(TIM3_OCPolarity_TypeDef TIM3_OCPolarity)
{
    /* Check the parameters */
    assert_param(IS_TIM3_OC_POLARITY(TIM3_OCPolarity));

    /* Set or Reset the CC1P Bit */
    if (TIM3_OCPolarity == TIM3_OCPolarity_Low)
    {
        TIM3->CCER1 |= TIM_CCER1_CC1P ;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1P) ;
    }
}

/**
  * @brief Configures the TIM3 Channel 2 polarity.
  * @param[in] TIM3_OCPolarity : Specifies the OC2 Polarity.
  * This parameter can be one of the @ref TIM3_OCPolarity_TypeDef enumeration.
  * @retval None
  */
void TIM3_OC2PolarityConfig(TIM3_OCPolarity_TypeDef TIM3_OCPolarity)
{
    /* Check the parameters */
    assert_param(IS_TIM3_OC_POLARITY(TIM3_OCPolarity));

    /* Set or Reset the CC2P Bit */
    if (TIM3_OCPolarity == TIM3_OCPolarity_Low)
    {
        TIM3->CCER1 |= TIM_CCER1_CC2P ;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2P) ;
    }
}

/**
  * @brief Enables or disables the TIM3 Capture Compare Channel x.
  * @param[in] TIM3_Channel : Specifies the TIM3 Channel.
  * This parameter can be one of @ref TIM3_Channel_TypeDef enumeration.
  * @param[in] NewState : specifies the TIM3 Channel CCxE bit new state.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM3_CCxCmd(TIM3_Channel_TypeDef TIM3_Channel,
                 FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_TIM3_CHANNEL(TIM3_Channel));
    assert_param(IS_FUNCTIONAL_STATE(NewState));

    if (TIM3_Channel == TIM3_Channel_1)
    {
        /* Set or Reset the CC1E Bit */
        if (NewState != DISABLE)
        {
            TIM3->CCER1 |= TIM_CCER1_CC1E ;
        }
        else
        {
            TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E) ;
        }

    }
    else /* if (TIM3_Channel == TIM3_Channel_2) */
    {
        /* Set or Reset the CC2E Bit */
        if (NewState != DISABLE)
        {
            TIM3->CCER1 |= TIM_CCER1_CC2E;
        }
        else
        {
            TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E) ;
        }
    }
}

/**
  * @brief Selects the TIM3 Ouput Compare Mode. This function disables the
  * selected channel before changing the Ouput Compare Mode. User has to
  * enable this channel using TIM3_CCxCmd and TIM3_CCxNCmd functions.
  * @param[in] TIM3_Channel : Specifies the TIM3 Channel.
  * This parameter can be one of the @ref TIM3_Channel_TypeDef enumeration
  * @param[in] TIM3_OCMode : Specifies the TIM3 Output Compare Mode.
  * This paramter can be one of the @ref TIM3_OCMode_TypeDef enumeration.
  * @retval None
  */
void TIM3_SelectOCxM(TIM3_Channel_TypeDef TIM3_Channel,
                     TIM3_OCMode_TypeDef TIM3_OCMode)
{
    /* Check the parameters */
    assert_param(IS_TIM3_CHANNEL(TIM3_Channel));
    assert_param(IS_TIM3_OCM(TIM3_OCMode));

    if (TIM3_Channel == TIM3_Channel_1)
    {
        /* Disable the Channel 1: Reset the CCE Bit */
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E);

        /* Reset the Output Compare Bits */
        TIM3->CCMR1 &= (uint8_t)(~TIM_CCMR_OCM);

        /* Set the Ouput Compare Mode */
        TIM3->CCMR1 |= (uint8_t)TIM3_OCMode;
    }
    else /* if (TIM3_Channel == TIM3_Channel_2) */
    {
        /* Disable the Channel 2: Reset the CCE Bit */
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E);

        /* Reset the Output Compare Bits */
        TIM3->CCMR2 &= (uint8_t)(~TIM_CCMR_OCM);

        /* Set the Ouput Compare Mode */
        TIM3->CCMR2 |= (uint8_t)TIM3_OCMode;
    }
}

/**
  * @brief Sets the TIM3 Counter Register value.
  * @param[in] TIM3_Counter : Specifies the Counter register new value.
  * This parameter is between 0x0000 and 0xFFFF.
  * @retval None
  */
void TIM3_SetCounter(uint16_t TIM3_Counter)
{

    /* Set the Counter Register value */
    TIM3->CNTRH = (uint8_t)(TIM3_Counter >> 8);
    TIM3->CNTRL = (uint8_t)(TIM3_Counter);
}

/**
  * @brief Sets the TIM3 Autoreload Register value.
  * @param[in] TIM3_Autoreload : Specifies the Autoreload register new value.
  * This parameter is between 0x0000 and 0xFFFF.
  * @retval None
  */
void TIM3_SetAutoreload(uint16_t TIM3_Autoreload)
{
    /* Set the Autoreload Register value */
    TIM3->ARRH = (uint8_t)(TIM3_Autoreload >> 8);
    TIM3->ARRL = (uint8_t)(TIM3_Autoreload);
}

/**
  * @brief Sets the TIM3 Capture Compare1 Register value.
  * @param[in] TIM3_Compare : Specifies the Capture Compare1 register new value.
  * This parameter is between 0x0000 and 0xFFFF.
  * @retval None
  */
void TIM3_SetCompare1(uint16_t TIM3_Compare)
{
    /* Set the Capture Compare1 Register value */
    TIM3->CCR1H = (uint8_t)(TIM3_Compare >> 8);
    TIM3->CCR1L = (uint8_t)(TIM3_Compare);
}

/**
  * @brief Sets the TIM3 Capture Compare2 Register value.
  * @param[in] TIM3_Compare : Specifies the Capture Compare2 register new value.
  * This parameter is between 0x0000 and 0xFFFF.
  * @retval None
  */
void TIM3_SetCompare2(uint16_t TIM3_Compare)
{
    /* Set the Capture Compare2 Register value */
    TIM3->CCR2H = (uint8_t)(TIM3_Compare >> 8);
    TIM3->CCR2L = (uint8_t)(TIM3_Compare);
}

/**
  * @brief Sets the TIM3 Input Capture 1 prescaler.
  * @param[in] TIM3_IC1Prescaler : Specifies the Input Capture prescaler new value
  * This parameter can be one of the @ref TIM3_ICPSC_TypeDef enumeration.
  * @retval None
  */
void TIM3_SetIC1Prescaler(TIM3_ICPSC_TypeDef TIM3_IC1Prescaler)
{
    uint8_t tmpccmr1 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_IC_PRESCALER(TIM3_IC1Prescaler));

    tmpccmr1 = TIM3->CCMR1;

    /* Reset the IC1PSC Bits */
    tmpccmr1 &= (uint8_t)(~TIM_CCMR_ICxPSC);

    /* Set the IC1PSC value */
    tmpccmr1 |= (uint8_t)TIM3_IC1Prescaler;

    TIM3->CCMR1 = tmpccmr1;
}

/**
  * @brief Sets the TIM3 Input Capture 2 prescaler.
  * @param[in] TIM3_IC2Prescaler : Specifies the Input Capture prescaler new value
  * This parameter can be one of the @ref TIM3_ICPSC_TypeDef enumeration.
  * @retval None
  */
void TIM3_SetIC2Prescaler(TIM3_ICPSC_TypeDef TIM3_IC2Prescaler)
{
    uint8_t tmpccmr2 = 0;

    /* Check the parameters */
    assert_param(IS_TIM3_IC_PRESCALER(TIM3_IC2Prescaler));

    tmpccmr2 = TIM3->CCMR2;

    /* Reset the IC2PSC Bits */
    tmpccmr2 &= (uint8_t)(~TIM_CCMR_ICxPSC);

    /* Set the IC2PSC value */
    tmpccmr2 |= (uint8_t)TIM3_IC2Prescaler;

    TIM3->CCMR2 = tmpccmr2;
}

/**
  * @brief Gets the TIM3 Input Capture 1 value.
  * @par Parameters:
  * None
  * @retval uint16_t: Capture Compare 1 Register value.
  */
uint16_t TIM3_GetCapture1(void)
{
    uint16_t tmpccr1 = 0;
    uint8_t tmpccr1l, tmpccr1h;

    tmpccr1h = TIM3->CCR1H;
    tmpccr1l = TIM3->CCR1L;

    tmpccr1 = (uint16_t)(tmpccr1l);
    tmpccr1 |= (uint16_t)((uint16_t)tmpccr1h << 8);
    /* Get the Capture 1 Register value */
    return ((uint16_t)tmpccr1);
}

/**
  * @brief Gets the TIM3 Input Capture 2 value.
  * @par Parameters:
  * None
  * @retval uint16_t : Capture Compare 2 Register value.
  */
uint16_t TIM3_GetCapture2(void)
{
    uint16_t tmpccr2 = 0;
    uint8_t tmpccr2l, tmpccr2h;

    tmpccr2h = TIM3->CCR2H;
    tmpccr2l = TIM3->CCR2L;

    tmpccr2 = (uint16_t)(tmpccr2l);
    tmpccr2 |= (uint16_t)((uint16_t)tmpccr2h << 8);
    /* Get the Capture 2 Register value */
    return ((uint16_t)tmpccr2);
}

/**
  * @brief Gets the TIM3 Counter value.
  * @par Parameters:
  * None
  * @retval uint16_t : Counter Register value.
  */
uint16_t TIM3_GetCounter(void)
{
    uint16_t tmpcnt = 0;
    uint8_t tmpcntrl, tmpcntrh;

    tmpcntrh = TIM3->CNTRH;
    tmpcntrl = TIM3->CNTRL;

    tmpcnt = (uint16_t)(tmpcntrl);
    tmpcnt |= (uint16_t)((uint16_t)tmpcntrh << 8);
    /* Get the Counter Register value */
    return ((uint16_t)tmpcnt);
}

/**
  * @brief Gets the TIM3 Prescaler value.
  * @par Parameters:
  * None
  * @retval TIM3_Prescaler_TypeDef : Prescaler Register value.
  */
TIM3_Prescaler_TypeDef TIM3_GetPrescaler(void)
{
    /* Get the Prescaler Register value */
    return ((TIM3_Prescaler_TypeDef)TIM3->PSCR);
}

/**
  * @brief Checks whether the specified TIM3 flag is set or not.
  * @param[in] TIM3_FLAG : Specifies the flag to check.
  * This parameter can be one of the @ref TIM3_FLAG_TypeDef enumeration.
  * @retval FlagStatus : The new state of TIM3_FLAG.
	* This parameter can be any of the @ref FlagStatus enumeration.
  */
FlagStatus TIM3_GetFlagStatus(TIM3_FLAG_TypeDef TIM3_FLAG)
{
    __IO FlagStatus bitstatus = RESET;
    __IO uint8_t tim3_flag_l, tim3_flag_h;

    /* Check the parameters */
    assert_param(IS_TIM3_GET_FLAG(TIM3_FLAG));

    tim3_flag_l = (uint8_t)(TIM3_FLAG);
    tim3_flag_h = (uint8_t)((uint16_t)TIM3_FLAG >> 8);

    if (((TIM3->SR1 & tim3_flag_l) | (TIM3->SR2 & tim3_flag_h)) != 0)
    {
        bitstatus = SET;
    }
    else
    {
        bitstatus = RESET;
    }
    return ((FlagStatus)bitstatus);
}

/**
  * @brief Clears the TIM’s pending flags.
  * @param[in] TIM3_FLAG : Specifies the flag to clear.
  * This parameter can be one of the @ref TIM3_FLAG_TypeDef enumeration.
  * @retval None
  */
void TIM3_ClearFlag(TIM3_FLAG_TypeDef TIM3_FLAG)
{
    /* Check the parameters */
    assert_param(IS_TIM3_CLEAR_FLAG((uint16_t)TIM3_FLAG));
    /* Clear the flags (rc_w0) clear this bit by writing 0. Writing ‘1’ has no effect*/
    TIM3->SR1 = (uint8_t)(~(uint8_t)(TIM3_FLAG));
    TIM3->SR2 = (uint8_t)(~(uint8_t)((uint16_t)TIM3_FLAG >> 8));
}

/**
  * @brief Checks whether the TIM3 interrupt has occurred or not.
  * @param[in] TIM3_IT : Specifies the TIM3 interrupt source to check.
  * This parameter can be one of the @ref TIM3_IT_TypeDef enumeration.
  * @retval ITStatus : The new state of the TIM3_IT.
	* This parameter can be any of the @ref ITStatus enumeration.
  */
ITStatus TIM3_GetITStatus(TIM3_IT_TypeDef TIM3_IT)
{
    __IO ITStatus bitstatus = RESET;

    __IO uint8_t TIM3_itStatus = 0x0, TIM3_itEnable = 0x0;

    /* Check the parameters */
    assert_param(IS_TIM3_GET_IT(TIM3_IT));

    TIM3_itStatus = (uint8_t)(TIM3->SR1 & (uint8_t)TIM3_IT);

    TIM3_itEnable = (uint8_t)(TIM3->IER & (uint8_t)TIM3_IT);

    if ((TIM3_itStatus != (uint8_t)RESET ) && (TIM3_itEnable != (uint8_t)RESET ))
    {
        bitstatus = (ITStatus)SET;
    }
    else
    {
        bitstatus = (ITStatus)RESET;
    }
    return ((ITStatus)bitstatus);
}

/**
  * @brief Clears the TIM's interrupt pending bits.
  * @param[in] TIM3_IT : Specifies the pending bit to clear.
  * This parameter can be one of the @ref TIM3_IT_TypeDef enumeration.
  * @retval None
  */
void TIM3_ClearITPendingBit(TIM3_IT_TypeDef TIM3_IT)
{
    /* Check the parameters */
    assert_param(IS_TIM3_IT(TIM3_IT));

    /* Clear the IT pending Bit */
    TIM3->SR1 = (uint8_t)(~(uint8_t)TIM3_IT);
}

/**
  * @brief Configure the TI1 as Input.
  * @param[in] TIM3_ICPolarity : The Input Polarity.
  * This parameter can be one of the @ref TIM3_ICPolarity_TypeDef enumeration.
  * @param[in] TIM3_ICSelection : Specifies the input to be used.
  * This parameter can be one of the @ref TIM3_ICSelection_TypeDef enumeration.
  * @param[in] TIM3_ICFilter : Specifies the Input Capture Filter.
  * This parameter must be a value between 0x00 and 0x0F.
  * @retval None
  */
static void TI1_Config(TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
                       TIM3_ICSelection_TypeDef TIM3_ICSelection,
                       uint8_t TIM3_ICFilter)
{
    uint8_t tmpccmr1 = 0;
    uint8_t tmpicpolarity = TIM3_ICPolarity;
    tmpccmr1 = TIM3->CCMR1;

    /* Check the parameters */
    assert_param(IS_TIM3_IC_POLARITY(TIM3_ICPolarity));
    assert_param(IS_TIM3_IC_SELECTION(TIM3_ICSelection));
    assert_param(IS_TIM3_IC_FILTER(TIM3_ICFilter));

    /* Disable the Channel 1: Reset the CCE Bit */
    TIM3->CCER1 &=  (uint8_t)(~TIM_CCER1_CC1E);

    /* Select the Input and set the filter */
    tmpccmr1 &= (uint8_t)(~TIM_CCMR_CCxS) & (uint8_t)(~TIM_CCMR_ICxF);
    tmpccmr1 |= (uint8_t)(((uint8_t)(TIM3_ICSelection)) | ((uint8_t)(TIM3_ICFilter << 4)));

    TIM3->CCMR1 = tmpccmr1;

    /* Select the Polarity */
    if (tmpicpolarity == (uint8_t)(TIM3_ICPolarity_Falling))
    {
        TIM3->CCER1 |= TIM_CCER1_CC1P;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1P);
    }

    /* Set the CCE Bit */
    TIM3->CCER1 |=  TIM_CCER1_CC1E;
}

/**
  * @brief Configure the TI2 as Input.
  * @param[in] TIM3_ICPolarity : The Input Polarity.
  * This parameter can be one of the @ref TIM3_ICPolarity_TypeDef enumeration.
  * @param[in] TIM3_ICSelection : Specifies the input to be used.
  * This parameter can be one of the @ref TIM3_ICSelection_TypeDef enumeration.
  * @param[in] TIM3_ICFilter : Specifies the Input Capture Filter.
  * This parameter must be a value between 0x00 and 0x0F.
  * @retval None
  */
static void TI2_Config(TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
                       TIM3_ICSelection_TypeDef TIM3_ICSelection,
                       uint8_t TIM3_ICFilter)
{
    uint8_t tmpccmr2 = 0;
    uint8_t tmpicpolarity = TIM3_ICPolarity;

    /* Check the parameters */
    assert_param(IS_TIM3_IC_POLARITY(TIM3_ICPolarity));
    assert_param(IS_TIM3_IC_SELECTION(TIM3_ICSelection));
    assert_param(IS_TIM3_IC_FILTER(TIM3_ICFilter));

    tmpccmr2 = TIM3->CCMR2;

    /* Disable the Channel 2: Reset the CCE Bit */
    TIM3->CCER1 &=  (uint8_t)(~TIM_CCER1_CC2E);

    /* Select the Input and set the filter */
    tmpccmr2 &= (uint8_t)(~TIM_CCMR_CCxS) & (uint8_t)(~TIM_CCMR_ICxF);
    tmpccmr2 |= (uint8_t)(((uint8_t)(TIM3_ICSelection)) | ((uint8_t)(TIM3_ICFilter << 4)));

    TIM3->CCMR2 = tmpccmr2;

    /* Select the Polarity */
    if (tmpicpolarity == TIM3_ICPolarity_Falling)
    {
        TIM3->CCER1 |= TIM_CCER1_CC2P ;
    }
    else
    {
        TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2P) ;
    }

    /* Set the CCE Bit */
    TIM3->CCER1 |=  TIM_CCER1_CC2E;
}

/**
  * @brief Checks whether the TIM3 device is enabled or not.
  * @par Parameters:
  * None
  * @retval FunctionalState : The new state of the TIM3 device.
	* This parameter can be any of the @ref FunctionalState enumeration.
  */

FunctionalState TIM3_GetStatus(void)
{
    return ((FunctionalState) (TIM3->CR1 & TIM_CR1_CEN));
}
/**
  * @}
  */

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/