stm8s_tim1.c

按键是比较复杂。可以用状态机表示。 每10mS执行一次键盘扫描任务 0、无键

/**
  * @brief Configures the TIM1 Channel 2 polarity.
  * @param[in] TIM1_OCPolarity specifies the OC2 Polarity.
  * This parameter can be one of the following values:
  *                       - TIM1_OCPOLARITY_LOW: Output Compare active low
  *                       - TIM1_OCPOLARITY_HIGH: Output Compare active high
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_OC2PolarityConfig(TIM1_OCPolarity_TypeDef TIM1_OCPolarity)
{
  /* Check the parameters */
  assert_param(IS_TIM1_OC_POLARITY_OK(TIM1_OCPolarity));

  /* Set or Reset the CC2P Bit */
  if (TIM1_OCPolarity != TIM1_OCPOLARITY_HIGH)
  {
    TIM1->CCER1 |= TIM1_CCER1_CC2P;
  }
  else
  {
    TIM1->CCER1 &= (u8)(~TIM1_CCER1_CC2P);
  }
}

/**
  * @brief Configures the TIM1 Channel 2N polarity.
  * @param[in] TIM1_OCNPolarity specifies the OC2N Polarity.
  * This parameter can be one of the following values:
  *                       - TIM1_OCNPOLARITY_LOW: Output Compare active low
  *                       - TIM1_OCNPOLARITY_HIGH: Output Compare active high
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_OC2NPolarityConfig(TIM1_OCNPolarity_TypeDef TIM1_OCNPolarity)
{
  /* Check the parameters */
  assert_param(IS_TIM1_OCN_POLARITY_OK(TIM1_OCNPolarity));

  /* Set or Reset the CC3P Bit */
  if (TIM1_OCNPolarity != TIM1_OCNPOLARITY_HIGH)
  {
    TIM1->CCER1 |= TIM1_CCER1_CC2NP;
  }
  else
  {
    TIM1->CCER1 &= (u8)(~TIM1_CCER1_CC2NP);
  }
}


/**
  * @brief Configures the TIM1 Channel 3 polarity.
  * @param[in] TIM1_OCPolarity specifies the OC3 Polarity.
  * This parameter can be one of the following values:
  *                       - TIM1_OCPOLARITY_LOW: Output Compare active low
  *                       - TIM1_OCPOLARITY_HIGH: Output Compare active high
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_OC3PolarityConfig(TIM1_OCPolarity_TypeDef TIM1_OCPolarity)
{
  /* Check the parameters */
  assert_param(IS_TIM1_OC_POLARITY_OK(TIM1_OCPolarity));

  /* Set or Reset the CC3P Bit */
  if (TIM1_OCPolarity != TIM1_OCPOLARITY_HIGH)
  {
    TIM1->CCER2 |= TIM1_CCER2_CC3P;
  }
  else
  {
    TIM1->CCER2 &= (u8)(~TIM1_CCER2_CC3P);
  }
}


/**
  * @brief Configures the TIM1 Channel 3N polarity.
  * @param[in] TIM1_OCNPolarity specifies the OC3N Polarity.
  * This parameter can be one of the following values:
  *                       - TIM1_OCNPOLARITY_LOW: Output Compare active low
  *                       - TIM1_OCNPOLARITY_HIGH: Output Compare active high
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_OC3NPolarityConfig(TIM1_OCNPolarity_TypeDef TIM1_OCNPolarity)
{
  /* Check the parameters */
  assert_param(IS_TIM1_OCN_POLARITY_OK(TIM1_OCNPolarity));

  /* Set or Reset the CC3P Bit */
  if (TIM1_OCNPolarity != TIM1_OCNPOLARITY_HIGH)
  {
    TIM1->CCER2 |= TIM1_CCER2_CC3NP;
  }
  else
  {
    TIM1->CCER2 &= (u8)(~TIM1_CCER2_CC3NP);
  }
}

/**
  * @brief Configures the TIM1 Channel 4 polarity.
  * @param[in] TIM1_OCPolarity specifies the OC4 Polarity.
  * This parameter can be one of the following values:
  *                       - TIM1_OCPOLARITY_LOW: Output Compare active low
  *                       - TIM1_OCPOLARITY_HIGH: Output Compare active high
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_OC4PolarityConfig(TIM1_OCPolarity_TypeDef TIM1_OCPolarity)
{
  /* Check the parameters */
  assert_param(IS_TIM1_OC_POLARITY_OK(TIM1_OCPolarity));

  /* Set or Reset the CC4P Bit */
  if (TIM1_OCPolarity != TIM1_OCPOLARITY_HIGH)
  {
    TIM1->CCER2 |= TIM1_CCER2_CC4P;
  }
  else
  {
    TIM1->CCER2 &= (u8)(~TIM1_CCER2_CC4P);
  }
}


/**
  * @brief Enables or disables the TIM1 Capture Compare Channel x (x=1,..,4).
  * @param[in] TIM1_Channel specifies the TIM1 Channel.
  * This parameter can be one of the following values:
  *                       - TIM1_CHANNEL_1: TIM1 Channel1
  *                       - TIM1_CHANNEL_2: TIM1 Channel2
  *                       - TIM1_CHANNEL_3: TIM1 Channel3
  *                       - TIM1_CHANNEL_4: TIM1 Channel4
  * @param[in] NewState specifies the TIM1 Channel CCxE bit new state.
  * This parameter can be: ENABLE or DISABLE.
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_CCxCmd(TIM1_Channel_TypeDef TIM1_Channel, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_TIM1_CHANNEL_OK(TIM1_Channel));
  assert_param(IS_FUNCTIONALSTATE_OK(NewState));

  if (TIM1_Channel == TIM1_CHANNEL_1)
  {
    /* Set or Reset the CC1E Bit */
    if (NewState != DISABLE)
    {
      TIM1->CCER1 |= TIM1_CCER1_CC1E;
    }
    else
    {
      TIM1->CCER1 &= (u8)(~TIM1_CCER1_CC1E);
    }

  }
  else if (TIM1_Channel == TIM1_CHANNEL_2)
  {
    /* Set or Reset the CC2E Bit */
    if (NewState != DISABLE)
    {
      TIM1->CCER1 |= TIM1_CCER1_CC2E;
    }
    else
    {
      TIM1->CCER1 &= (u8)(~TIM1_CCER1_CC2E);
    }
  }
  else if (TIM1_Channel == TIM1_CHANNEL_3)
  {
    /* Set or Reset the CC3E Bit */
    if (NewState != DISABLE)
    {
      TIM1->CCER2 |= TIM1_CCER2_CC3E;
    }
    else
    {
      TIM1->CCER2 &= (u8)(~TIM1_CCER2_CC3E);
    }
  }
  else
  {
    /* Set or Reset the CC4E Bit */
    if (NewState != DISABLE)
    {
      TIM1->CCER2 |= TIM1_CCER2_CC4E;
    }
    else
    {
      TIM1->CCER2 &= (u8)(~TIM1_CCER2_CC4E);
    }
  }
}

/**
  * @brief Enables or disables the TIM1 Capture Compare Channel xN (xN=1,..,3).
  * @param[in] TIM1_Channel specifies the TIM1 Channel.
  * This parameter can be one of the following values:
  *                       - TIM1_CHANNEL_1: TIM1 Channel1
  *                       - TIM1_CHANNEL_2: TIM1 Channel2
  *                       - TIM1_CHANNEL_3: TIM1 Channel3
  * @param[in] NewState specifies the TIM1 Channel CCxNE bit new state.
  * This parameter can be: ENABLE or DISABLE.
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_CCxNCmd(TIM1_Channel_TypeDef TIM1_Channel, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_TIM1_COMPLEMENTARY_CHANNEL_OK(TIM1_Channel));
  assert_param(IS_FUNCTIONALSTATE_OK(NewState));

  if (TIM1_Channel == TIM1_CHANNEL_1)
  {
    /* Set or Reset the CC1NE Bit */
    if (NewState != DISABLE)
    {
      TIM1->CCER1 |= TIM1_CCER1_CC1NE;
    }
    else
    {
      TIM1->CCER1 &= (u8)(~TIM1_CCER1_CC1NE);
    }
  }
  else if (TIM1_Channel == TIM1_CHANNEL_2)
  {
    /* Set or Reset the CC2NE Bit */
    if (NewState != DISABLE)
    {
      TIM1->CCER1 |= TIM1_CCER1_CC2NE;
    }
    else
    {
      TIM1->CCER1 &= (u8)(~TIM1_CCER1_CC2NE);
    }
  }
  else
  {
    /* Set or Reset the CC3NE Bit */
    if (NewState != DISABLE)
    {
      TIM1->CCER2 |= TIM1_CCER2_CC3NE;
    }
    else
    {
      TIM1->CCER2 &= (u8)(~TIM1_CCER2_CC3NE);
    }
  }
}


/**
  * @brief Selects the TIM1 Ouput Compare Mode. This function disables the
  * selected channel before changing the Ouput Compare Mode. User has to
  * enable this channel using TIM1_CCxCmd and TIM1_CCxNCmd functions.
  * @param[in] TIM1_Channel specifies the TIM1 Channel.
  * This parameter can be one of the following values:
  *                       - TIM1_CHANNEL_1: TIM1 Channel1
  *                       - TIM1_CHANNEL_2: TIM1 Channel2
  *                       - TIM1_CHANNEL_3: TIM1 Channel3
  *                       - TIM1_CHANNEL_4: TIM1 Channel4
  * @param[in] TIM1_OCMode specifies the TIM1 Output Compare Mode.
  * This paramter can be one of the following values:
  *                       - TIM1_OCMODE_TIMING
  *                       - TIM1_OCMODE_ACTIVE
  *                       - TIM1_OCMODE_TOGGLE
  *                       - TIM1_OCMODE_PWM1
  *                       - TIM1_OCMODE_PWM2
  *                       - TIM1_FORCEDACTION_ACTIVE
  *                       - TIM1_FORCEDACTION_INACTIVE
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_SelectOCxM(TIM1_Channel_TypeDef TIM1_Channel, TIM1_OCMode_TypeDef TIM1_OCMode)
{
  /* Check the parameters */
  assert_param(IS_TIM1_CHANNEL_OK(TIM1_Channel));
  assert_param(IS_TIM1_OCM_OK(TIM1_OCMode));

  if (TIM1_Channel == TIM1_CHANNEL_1)
  {
    /* Disable the Channel 1: Reset the CCE Bit */
    TIM1->CCER1 &= (u8)(~TIM1_CCER1_CC1E);

    /* Reset the Output Compare Bits & Set the Output Compare Mode */
    TIM1->CCMR1 = (u8)((TIM1->CCMR1 & (u8)(~TIM1_CCMR_OCM)) | (u8)TIM1_OCMode);
  }
  else if (TIM1_Channel == TIM1_CHANNEL_2)
  {
    /* Disable the Channel 2: Reset the CCE Bit */
    TIM1->CCER1 &= (u8)(~TIM1_CCER1_CC2E);

    /* Reset the Output Compare Bits & Set the Output Compare Mode */
    TIM1->CCMR2 = (u8)((TIM1->CCMR2 & (u8)(~TIM1_CCMR_OCM)) | (u8)TIM1_OCMode);
  }
  else if (TIM1_Channel == TIM1_CHANNEL_3)
  {
    /* Disable the Channel 3: Reset the CCE Bit */
    TIM1->CCER2 &= (u8)(~TIM1_CCER2_CC3E);

    /* Reset the Output Compare Bits & Set the Output Compare Mode */
    TIM1->CCMR3 = (u8)((TIM1->CCMR3 & (u8)(~TIM1_CCMR_OCM)) | (u8)TIM1_OCMode);
  }
  else
  {
    /* Disable the Channel 4: Reset the CCE Bit */
    TIM1->CCER2 &= (u8)(~TIM1_CCER2_CC4E);

    /* Reset the Output Compare Bits & Set the Output Compare Mode */
    TIM1->CCMR4 = (u8)((TIM1->CCMR4 & (u8)(~TIM1_CCMR_OCM)) | (u8)TIM1_OCMode);
  }
}


/**
  * @brief Sets the TIM1 Counter Register value.
  * @param[in] Counter specifies the Counter register new value.
  * This parameter is between 0x0000 and 0xFFFF.
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_SetCounter(u16 Counter)
{
  /* Set the Counter Register value */
  TIM1->CNTRH = (u8)(Counter >> 8);
  TIM1->CNTRL = (u8)(Counter);

}


/**
  * @brief Sets the TIM1 Autoreload Register value.
  * @param[in] Autoreload specifies the Autoreload register new value.
  * This parameter is between 0x0000 and 0xFFFF.
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_SetAutoreload(u16 Autoreload)
{

  /* Set the Autoreload Register value */
  TIM1->ARRH = (u8)(Autoreload >> 8);
  TIM1->ARRL = (u8)(Autoreload);

}


/**
  * @brief Sets the TIM1 Capture Compare1 Register value.
  * @param[in] Compare1 specifies the Capture Compare1 register new value.
  * This parameter is between 0x0000 and 0xFFFF.
  * @retval None
  * @par Required preconditions:
  * None
  */
void TIM1_SetCompare1(u16 Compare1)
{
  /* Set the Capture Compare1 Register value */
  TIM1->CCR1H = (u8)(Compare1 >> 8);
  TIM1->CCR1L = (u8)(Compare1);

}


/**
  * @brief Sets the TIM1 Capture Compare2 Register value.
  * @param[in] Compare2 specifies the Capture Compare2 regi