stm8s_tim6.c

STM8s

/**
  ******************************************************************************
  * @file stm8s_tim6.c
  * @brief This file contains all the functions for the TIM6 peripheral.
  * @author STMicroelectronics - MCD Application Team
  * @version V1.1.1
  * @date 06/05/2009
  ******************************************************************************
  *
  * 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 "stm8s_tim6.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/


/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/**
  * @addtogroup TIM6_Public_Functions
  * @{
  */

/**
  * @brief Deinitializes the TIM6 peripheral registers to their default reset values.
  * @par Parameters:
  * None
  * @retval None
  */
void TIM6_DeInit(void)
{
    TIM6->CR1 	= TIM6_CR1_RESET_VALUE;
    TIM6->CR2 	= TIM6_CR2_RESET_VALUE;
    TIM6->SMCR 	= TIM6_SMCR_RESET_VALUE;
    TIM6->IER 	= TIM6_IER_RESET_VALUE;
    TIM6->CNTR 	= TIM6_CNTR_RESET_VALUE;
    TIM6->PSCR	= TIM6_PSCR_RESET_VALUE;
    TIM6->ARR 	= TIM6_ARR_RESET_VALUE;
    TIM6->SR1 	= TIM6_SR1_RESET_VALUE;
}

/**
  * @brief Initializes the TIM6 Time Base Unit according to the specified
  * parameters.
  * @param[in] TIM6_Prescaler : This parameter can be any of the @Ref TIM5_Prescaler_TypeDef enumeration.
  * @param[in] TIM6_Period : This parameter must be a value between 0x00 and 0xFF.
  * @retval None
  */
void TIM6_TimeBaseInit(TIM6_Prescaler_TypeDef TIM6_Prescaler,
                       u8 TIM6_Period)
{
    /* Check TIM6 prescaler value */
    assert_param(IS_TIM6_PRESCALER_OK(TIM6_Prescaler));
    /* Set the Autoreload value */
    TIM6->ARR = (u8)(TIM6_Period);
    /* Set the Prescaler value */
    TIM6->PSCR = (u8)(TIM6_Prescaler);
}

/**
  * @brief Enables or disables the TIM6 peripheral.
  * @param[in] NewState : The new state of the TIM6 peripheral.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM6_Cmd(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONALSTATE_OK(NewState));

    /* set or Reset the CEN Bit */
    if (NewState == ENABLE)
    {
        TIM6->CR1 |= TIM6_CR1_CEN ;
    }
    else
    {
        TIM6->CR1 &= (u8)(~TIM6_CR1_CEN) ;
    }
}

/**
  * @brief Enables or Disables the TIM6 Update event.
  * @param[in] NewState : The new state of the TIM6 peripheral Preload register.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM6_UpdateDisableConfig(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONALSTATE_OK(NewState));

    /* Set or Reset the UDIS Bit */
    if (NewState == ENABLE)
    {
        TIM6->CR1 |= TIM6_CR1_UDIS ;
    }
    else
    {
        TIM6->CR1 &= (u8)(~TIM6_CR1_UDIS) ;
    }
}

/**
  * @brief Selects the TIM6 Update Request Interrupt source.
  * @param[in] TIM6_UpdateSource : Specifies the Update source.
  * This parameter can be one of the @ref TIM6_UpdateSource_TypeDef enumeration.
  * @retval None
  */
void TIM6_UpdateRequestConfig(TIM6_UpdateSource_TypeDef TIM6_UpdateSource)
{
    /* Check the parameters */
    assert_param(IS_TIM6_UPDATE_SOURCE_OK(TIM6_UpdateSource));

    /* Set or Reset the URS Bit */
    if (TIM6_UpdateSource == TIM6_UPDATESOURCE_REGULAR)
    {
        TIM6->CR1 |= TIM6_CR1_URS ;
    }
    else
    {
        TIM6->CR1 &= (u8)(~TIM6_CR1_URS) ;
    }
}

/**
  * @brief Selects the TIM6抯 One Pulse Mode.
  * @param[in] TIM6_OPMode : Specifies the OPM Mode to be used.
  * This parameter can be one of the @ref TIM6_OPMode_TypeDef enumeration.
  * @retval None
  */
void TIM6_SelectOnePulseMode(TIM6_OPMode_TypeDef TIM6_OPMode)
{
    /* Check the parameters */
    assert_param(IS_TIM6_OPM_MODE_OK(TIM6_OPMode));

    /* Set or Reset the OPM Bit */
    if (TIM6_OPMode == TIM6_OPMODE_SINGLE)
    {
        TIM6->CR1 |= TIM6_CR1_OPM ;
    }
    else
    {
        TIM6->CR1 &= (u8)(~TIM6_CR1_OPM) ;
    }

}

/**
  * @brief Configures the TIM6 Prescaler.
  * @param[in] Prescaler : Specifies the Prescaler Register value
  * This parameter can be one of the @ref TIM6_Prescaler_TypeDef enumeration.
  * @param[in] TIM6_PSCReloadMode : Specifies the TIM6 Prescaler Reload mode.
  * This parameter can be one of the @ref TIM6_PSCReloadMode_TypeDef enumeration.
  * @retval None
  */
void TIM6_PrescalerConfig(TIM6_Prescaler_TypeDef Prescaler,
                          TIM6_PSCReloadMode_TypeDef TIM6_PSCReloadMode)
{
    /* Check the parameters */
    assert_param(IS_TIM6_PRESCALER_RELOAD_OK(TIM6_PSCReloadMode));
    assert_param(IS_TIM6_PRESCALER_OK(Prescaler));

    /* Set the Prescaler value */
    TIM6->PSCR = (u8)Prescaler;

    /* Set or reset the UG Bit */
    if (TIM6_PSCReloadMode == TIM6_PSCRELOADMODE_IMMEDIATE)
    {
        TIM6->EGR |= TIM6_EGR_UG ;
    }
    else
    {
        TIM6->EGR &= (u8)(~TIM6_EGR_UG) ;
    }
}

/**
  * @brief Enables or disables TIM6 peripheral Preload register on ARR.
  * @param[in] NewState : The new state of the TIM6 peripheral Preload register.
  * This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  */
void TIM6_ARRPreloadConfig(FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONALSTATE_OK(NewState));

    /* Set or Reset the ARPE Bit */
    if (NewState == ENABLE)
    {
        TIM6->CR1 |= TIM6_CR1_ARPE ;
    }
    else
    {
        TIM6->CR1 &= (u8)(~TIM6_CR1_ARPE) ;
    }
}

/**
  * @brief Sets the TIM6 Counter Register value.
  * @param[in] Counter : Specifies the Counter register new value.
  * This parameter is between 0x00 and 0xFF.
  * @retval None
  */
void TIM6_SetCounter(u8 Counter)
{
    /* Set the Counter Register value */
    TIM6->CNTR = (u8)(Counter);
}

/**
  * @brief Sets the TIM6 Autoreload Register value.
  * @param[in] Autoreload : Specifies the Autoreload register new value.
  * This parameter is between 0x00 and 0xFF.
  * @retval None
  */
void TIM6_SetAutoreload(u8 Autoreload)
{

    /* Set the Autoreload Register value */
    TIM6->ARR = (u8)(Autoreload);
}

/**
  * @brief Gets the TIM6 Counter value.
  * @par Parameters:
  * None
  * @retval u8: Counter Register value.
  */
u8 TIM6_GetCounter(void)
{
    u8 tmpcntr=0;
    tmpcntr = TIM6->CNTR;
    /* Get the Counter Register value */
    return ((u8)tmpcntr);
}

/**
  * @brief Gets the TIM6 Prescaler value.
  * @par Parameters:
  * None
  * @retval TIM6_Prescaler_TypeDef : Prescaler Register configuration value.
  */
TIM6_Prescaler_TypeDef TIM6_GetPrescaler(void)
{
    /* Get the Prescaler Register value */
    return ((TIM6_Prescaler_TypeDef)TIM6->PSCR);
}

/**
  * @brief Enables or disables the specified TIM6 interrupts.
  * @param[in] TIM6_IT : Specifies the TIM6 interrupts sources to be enabled or disabled.
  * This parameter can be any combination of the @ref TIM6_IT_TypeDef enumeration.
  * @param[in] NewState : The new state of the TIM6 peripheral.
	* This parameter can be any of the @ref FunctionalState enumeration.
  * @retval None
  * @par Required preconditions:
  * If QST option bit is enabled, the TIM6 Interrupt vector will be mapped on IRQ number 2 (irq0).
  * Otherwise, it will be mapped on IRQ number 27 (irq25).
  */
void TIM6_ITConfig(TIM6_IT_TypeDef TIM6_IT, FunctionalState NewState)
{
    /* Check the parameters */
    assert_param(IS_TIM6_IT_OK(TIM6_IT));
    assert_param(IS_FUNCTIONALSTATE_OK(NewState));

    if (NewState == ENABLE)
    {
        /* Enable the Interrupt sources */
        TIM6->IER |= (u8)TIM6_IT;
    }
    else
    {
        /* Disable the Interrupt sources */
        TIM6->IER &= (u8)(~(u8)TIM6_IT);
    }
}

/**
  * @brief Clears the TIM抯 pending flags.
  * @param[in] TIM6_FLAG : Specifies the flag to clear.
  * This parameter can be one of the @ref TIM6_FLAG_TypeDef enumeration.
  * @retval None
  */
void TIM6_ClearFlag(TIM6_FLAG_TypeDef TIM6_FLAG)
{
    /* Check the parameters */
    assert_param(IS_TIM6_CLEAR_FLAG_OK((u8)TIM6_FLAG));
    /* Clear the flags (rc_w0) clear this bit by writing 0. Writing