stm32l4xx_hal_lptim.c

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/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal.h"

#ifdef HAL_LPTIM_MODULE_ENABLED

#if defined (LPTIM1) || defined (LPTIM2)

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
#define TIMEOUT                                     1000UL /* Timeout is 1s */
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
static void LPTIM_ResetCallback(LPTIM_HandleTypeDef *lptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */

/* Exported functions --------------------------------------------------------*/

HAL_StatusTypeDef HAL_LPTIM_Init(LPTIM_HandleTypeDef *hlptim)
{
  uint32_t tmpcfgr;

  /* Check the LPTIM handle allocation */
  if (hlptim == NULL)
  {
    return HAL_ERROR;
  }

  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  assert_param(IS_LPTIM_CLOCK_SOURCE(hlptim->Init.Clock.Source));
  assert_param(IS_LPTIM_CLOCK_PRESCALER(hlptim->Init.Clock.Prescaler));
  if ((hlptim->Init.Clock.Source) == LPTIM_CLOCKSOURCE_ULPTIM)
  {
    assert_param(IS_LPTIM_CLOCK_POLARITY(hlptim->Init.UltraLowPowerClock.Polarity));
    assert_param(IS_LPTIM_CLOCK_SAMPLE_TIME(hlptim->Init.UltraLowPowerClock.SampleTime));
  }
  assert_param(IS_LPTIM_TRG_SOURCE(hlptim->Init.Trigger.Source));
  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    assert_param(IS_LPTIM_TRIG_SAMPLE_TIME(hlptim->Init.Trigger.SampleTime));
    assert_param(IS_LPTIM_EXT_TRG_POLARITY(hlptim->Init.Trigger.ActiveEdge));
  }
  assert_param(IS_LPTIM_OUTPUT_POLARITY(hlptim->Init.OutputPolarity));
  assert_param(IS_LPTIM_UPDATE_MODE(hlptim->Init.UpdateMode));
  assert_param(IS_LPTIM_COUNTER_SOURCE(hlptim->Init.CounterSource));

#if defined(LPTIM_RCR_REP)
  assert_param(IS_LPTIM_REPETITION(hlptim->Init.RepetitionCounter));
#endif

  if (hlptim->State == HAL_LPTIM_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    hlptim->Lock = HAL_UNLOCKED;

#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
    /* Reset interrupt callbacks to legacy weak callbacks */
    LPTIM_ResetCallback(hlptim);

    if (hlptim->MspInitCallback == NULL)
    {
      hlptim->MspInitCallback = HAL_LPTIM_MspInit;
    }

    /* Init the low level hardware : GPIO, CLOCK, NVIC */
    hlptim->MspInitCallback(hlptim);
#else
    /* Init the low level hardware : GPIO, CLOCK, NVIC */
    HAL_LPTIM_MspInit(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
  }

  /* Change the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Get the LPTIMx CFGR value */
  tmpcfgr = hlptim->Instance->CFGR;

  if (((hlptim->Init.Clock.Source) == LPTIM_CLOCKSOURCE_ULPTIM) || ((hlptim->Init.CounterSource) == LPTIM_COUNTERSOURCE_EXTERNAL))
  {
    tmpcfgr &= (uint32_t)(~(LPTIM_CFGR_CKPOL | LPTIM_CFGR_CKFLT));
  }
  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    tmpcfgr &= (uint32_t)(~(LPTIM_CFGR_TRGFLT | LPTIM_CFGR_TRIGSEL));
  }

  /* Clear CKSEL, CKPOL, PRESC, TRIGEN, TRGFLT, WAVPOL, PRELOAD & COUNTMODE bits */
  tmpcfgr &= (uint32_t)(~(LPTIM_CFGR_CKSEL | LPTIM_CFGR_CKPOL | LPTIM_CFGR_TRIGEN | LPTIM_CFGR_PRELOAD |
                          LPTIM_CFGR_WAVPOL | LPTIM_CFGR_PRESC | LPTIM_CFGR_COUNTMODE));

  /* Set initialization parameters */
  tmpcfgr |= (hlptim->Init.Clock.Source    |
              hlptim->Init.Clock.Prescaler |
              hlptim->Init.OutputPolarity  |
              hlptim->Init.UpdateMode      |
              hlptim->Init.CounterSource);

  if (((hlptim->Init.Clock.Source) == LPTIM_CLOCKSOURCE_ULPTIM) || ((hlptim->Init.CounterSource) == LPTIM_COUNTERSOURCE_EXTERNAL))
  {
    tmpcfgr |= (hlptim->Init.UltraLowPowerClock.Polarity |
                hlptim->Init.UltraLowPowerClock.SampleTime);
  }

  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    /* Enable External trigger and set the trigger source */
    tmpcfgr |= (hlptim->Init.Trigger.Source     |
                hlptim->Init.Trigger.ActiveEdge |
                hlptim->Init.Trigger.SampleTime);
  }

  /* Write to LPTIMx CFGR */
  hlptim->Instance->CFGR = tmpcfgr;

  /* Configure LPTIM input sources */
  if (hlptim->Instance == LPTIM1)
  {
    /* Check LPTIM Input1 and Input2 sources */
    assert_param(IS_LPTIM_INPUT1_SOURCE(hlptim->Instance, hlptim->Init.Input1Source));
    assert_param(IS_LPTIM_INPUT2_SOURCE(hlptim->Instance, hlptim->Init.Input2Source));

    /* Configure LPTIM Input1 and Input2 sources */
    hlptim->Instance->OR = (hlptim->Init.Input1Source | hlptim->Init.Input2Source);
  }
  else
  {
    /* Check LPTIM2 Input1 source */
    assert_param(IS_LPTIM_INPUT1_SOURCE(hlptim->Instance, hlptim->Init.Input1Source));

    /* Configure LPTIM2 Input1 source */
    hlptim->Instance->OR = hlptim->Init.Input1Source;
  }

  /* Change the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_DeInit(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the LPTIM handle allocation */
  if (hlptim == NULL)
  {
    return HAL_ERROR;
  }

  /* Change the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the LPTIM Peripheral Clock */
  __HAL_LPTIM_DISABLE(hlptim);

#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
  if (hlptim->MspDeInitCallback == NULL)
  {
    hlptim->MspDeInitCallback = HAL_LPTIM_MspDeInit;
  }

  /* DeInit the low level hardware: CLOCK, NVIC.*/
  hlptim->MspDeInitCallback(hlptim);
#else
  /* DeInit the low level hardware: CLOCK, NVIC.*/
  HAL_LPTIM_MspDeInit(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */

  /* Change the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_RESET;

  /* Release Lock */
  __HAL_UNLOCK(hlptim);

  /* Return function status */
  return HAL_OK;
}

__weak void HAL_LPTIM_MspInit(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_MspInit could be implemented in the user file
   */
}

__weak void HAL_LPTIM_MspDeInit(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_MspDeInit could be implemented in the user file
   */
}

HAL_StatusTypeDef HAL_LPTIM_PWM_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(IS_LPTIM_PULSE(Pulse));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Reset WAVE bit to set PWM mode */
  hlptim->Instance->CFGR &= ~LPTIM_CFGR_WAVE;

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Load the pulse value in the compare register */
  __HAL_LPTIM_COMPARE_SET(hlptim, Pulse);

#if defined(LPTIM_RCR_REP)
  /* Load the repetition value in the repetition counter */
  if (hlptim->Init.RepetitionCounter != 0)
  {
    __HAL_LPTIM_REPETITIONCOUNTER_SET(hlptim, hlptim->Init.RepetitionCounter);
  }
#endif

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_CONTINUOUS(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_PWM_Stop(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_PWM_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(IS_LPTIM_PULSE(Pulse));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Reset WAVE bit to set PWM mode */
  hlptim->Instance->CFGR &= ~LPTIM_CFGR_WAVE;

  /* Enable Autoreload write complete interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_ARROK);

  /* Enable Compare write complete interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_CMPOK);

  /* Enable Autoreload match interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_ARRM);

  /* Enable Compare match interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_CMPM);

  /* If external trigger source is used, then enable external trigger interrupt */
  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    /* Enable external trigger interrupt */
    __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_EXTTRIG);
  }

#if defined(LPTIM_RCR_REP)
  /* Enable the update event and the repetition register update OK interrupts */
  if ((hlptim->Init.RepetitionCounter) !=  0)
  {
    __HAL_LPTIM_ENABLE_IT(hlptim, (LPTIM_IT_UPDATE | LPTIM_IT_REPOK));
  }
#endif
  
  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Load the pulse value in the compare register */
  __HAL_LPTIM_COMPARE_SET(hlptim, Pulse);

#if defined(LPTIM_RCR_REP)
  /* Load the repetition value in the repetition counter */
  if (hlptim->Init.RepetitionCounter != 0)
  {
    __HAL_LPTIM_REPETITIONCOUNTER_SET(hlptim, hlptim->Init.RepetitionCounter);
  }
#endif

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_CONTINUOUS(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_PWM_Stop_IT(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Disable Autoreload write complete interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_ARROK);

  /* Disable Compare write complete interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_CMPOK);

  /* Disable Autoreload match interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_ARRM);

  /* Disable Compare match interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_CMPM);

  /* If external trigger source is used, then disable external trigger interrupt */
  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    /* Disable external trigger interrupt */
    __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_EXTTRIG);
  }

#if defined(LPTIM_RCR_REP)
  /* Disable the update event and the repetition register update OK interrupts */
  if ((hlptim->Init.RepetitionCounter) !=  0)
  {
    __HAL_LPTIM_DISABLE_IT(hlptim, (LPTIM_IT_UPDATE | LPTIM_IT_REPOK));
  }
#endif

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_OnePulse_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(IS_LPTIM_PULSE(Pulse));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Reset WAVE bit to set one pulse mode */
  hlptim->Instance->CFGR &= ~LPTIM_CFGR_WAVE;

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Load the pulse value in the compare register */
  __HAL_LPTIM_COMPARE_SET(hlptim, Pulse);

  /* Start timer in single (one shot) mode */
  __HAL_LPTIM_START_SINGLE(hlptim);

#if defined(LPTIM_RCR_REP)
  /* Load the repetition value in the repetition counter */
  if (hlptim->Init.RepetitionCounter != 0)
  {
    __HAL_LPTIM_REPETITIONCOUNTER_SET(hlptim, hlptim->Init.RepetitionCounter);
  }
#endif

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_OnePulse_Stop(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_OnePulse_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(IS_LPTIM_PULSE(Pulse));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Reset WAVE bit to set one pulse mode */
  hlptim->Instance->CFGR &= ~LPTIM_CFGR_WAVE;

  /* Enable Autoreload write complete interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_ARROK);

  /* Enable Compare write complete interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_CMPOK);

  /* Enable Autoreload match interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_ARRM);

  /* Enable Compare match interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_CMPM);

  /* If external trigger source is used, then enable external trigger interrupt */
  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    /* Enable external trigger interrupt */
    __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_EXTTRIG);
  }

#if defined(LPTIM_RCR_REP)
  /* Enable the update event and the repetition register update OK interrupts */
  if ((hlptim->Init.RepetitionCounter) !=  0)
  {
    __HAL_LPTIM_ENABLE_IT(hlptim, (LPTIM_IT_UPDATE | LPTIM_IT_REPOK));
  }
#endif

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Load the pulse value in the compare register */
  __HAL_LPTIM_COMPARE_SET(hlptim, Pulse);

#if defined(LPTIM_RCR_REP)
  /* Load the repetition value in the repetition counter */
  if (hlptim->Init.RepetitionCounter != 0)
  {
    __HAL_LPTIM_REPETITIONCOUNTER_SET(hlptim, hlptim->Init.RepetitionCounter);
  }
#endif

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_SINGLE(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_OnePulse_Stop_IT(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Disable Autoreload write complete interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_ARROK);

  /* Disable Compare write complete interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_CMPOK);

  /* Disable Autoreload match interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_ARRM);

  /* Disable Compare match interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_CMPM);

  /* If external trigger source is used, then disable external trigger interrupt */
  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    /* Disable external trigger interrupt */
    __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_EXTTRIG);
  }

#if defined(LPTIM_RCR_REP)
  /* Disable the update event and the repetition register update OK interrupts */
  if ((hlptim->Init.RepetitionCounter) !=  0)
  {
    __HAL_LPTIM_DISABLE_IT(hlptim, (LPTIM_IT_UPDATE | LPTIM_IT_REPOK));
  }
#endif

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_SetOnce_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(IS_LPTIM_PULSE(Pulse));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Set WAVE bit to enable the set once mode */
  hlptim->Instance->CFGR |= LPTIM_CFGR_WAVE;

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Load the pulse value in the compare register */
  __HAL_LPTIM_COMPARE_SET(hlptim, Pulse);

#if defined(LPTIM_RCR_REP)
  /* Load the repetition value in the repetition counter */
  if (hlptim->Init.RepetitionCounter != 0)
  {
    __HAL_LPTIM_REPETITIONCOUNTER_SET(hlptim, hlptim->Init.RepetitionCounter);
  }
#endif

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_SINGLE(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_SetOnce_Stop(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_SetOnce_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Pulse)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(IS_LPTIM_PULSE(Pulse));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Set WAVE bit to enable the set once mode */
  hlptim->Instance->CFGR |= LPTIM_CFGR_WAVE;

  /* Enable Autoreload write complete interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_ARROK);

  /* Enable Compare write complete interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_CMPOK);

  /* Enable Autoreload match interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_ARRM);

  /* Enable Compare match interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_CMPM);

  /* If external trigger source is used, then enable external trigger interrupt */
  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    /* Enable external trigger interrupt */
    __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_EXTTRIG);
  }

#if defined(LPTIM_RCR_REP)
  /* Enable the update event and the repetition register update OK interrupts */
  if ((hlptim->Init.RepetitionCounter) !=  0)
  {
    __HAL_LPTIM_ENABLE_IT(hlptim, (LPTIM_IT_UPDATE | LPTIM_IT_REPOK));
  }
#endif

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Load the pulse value in the compare register */
  __HAL_LPTIM_COMPARE_SET(hlptim, Pulse);

#if defined(LPTIM_RCR_REP)
  /* Load the repetition value in the repetition counter */
  if (hlptim->Init.RepetitionCounter != 0)
  {
    __HAL_LPTIM_REPETITIONCOUNTER_SET(hlptim, hlptim->Init.RepetitionCounter);
  }
#endif

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_SINGLE(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_SetOnce_Stop_IT(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Disable Autoreload write complete interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_ARROK);

  /* Disable Compare write complete interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_CMPOK);

  /* Disable Autoreload match interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_ARRM);

  /* Disable Compare match interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_CMPM);

  /* If external trigger source is used, then disable external trigger interrupt */
  if ((hlptim->Init.Trigger.Source) != LPTIM_TRIGSOURCE_SOFTWARE)
  {
    /* Disable external trigger interrupt */
    __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_EXTTRIG);
  }

#if defined(LPTIM_RCR_REP)
  /* Disable the update event and the repetition register update OK interrupts */
  if ((hlptim->Init.RepetitionCounter) !=  0)
  {
    __HAL_LPTIM_DISABLE_IT(hlptim, (LPTIM_IT_UPDATE | LPTIM_IT_REPOK));
  }
#endif

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_Encoder_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period)
{
  uint32_t          tmpcfgr;

  /* Check the parameters */
  assert_param(IS_LPTIM_ENCODER_INTERFACE_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(hlptim->Init.Clock.Source == LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC);
  assert_param(hlptim->Init.Clock.Prescaler == LPTIM_PRESCALER_DIV1);
  assert_param(IS_LPTIM_CLOCK_POLARITY(hlptim->Init.UltraLowPowerClock.Polarity));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Get the LPTIMx CFGR value */
  tmpcfgr = hlptim->Instance->CFGR;

  /* Clear CKPOL bits */
  tmpcfgr &= (uint32_t)(~LPTIM_CFGR_CKPOL);

  /* Set Input polarity */
  tmpcfgr |=  hlptim->Init.UltraLowPowerClock.Polarity;

  /* Write to LPTIMx CFGR */
  hlptim->Instance->CFGR = tmpcfgr;

  /* Set ENC bit to enable the encoder interface */
  hlptim->Instance->CFGR |= LPTIM_CFGR_ENC;

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_CONTINUOUS(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_Encoder_Stop(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_ENCODER_INTERFACE_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Reset ENC bit to disable the encoder interface */
  hlptim->Instance->CFGR &= ~LPTIM_CFGR_ENC;

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_Encoder_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period)
{
  uint32_t          tmpcfgr;

  /* Check the parameters */
  assert_param(IS_LPTIM_ENCODER_INTERFACE_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(hlptim->Init.Clock.Source == LPTIM_CLOCKSOURCE_APBCLOCK_LPOSC);
  assert_param(hlptim->Init.Clock.Prescaler == LPTIM_PRESCALER_DIV1);
  assert_param(IS_LPTIM_CLOCK_POLARITY(hlptim->Init.UltraLowPowerClock.Polarity));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Configure edge sensitivity for encoder mode */
  /* Get the LPTIMx CFGR value */
  tmpcfgr = hlptim->Instance->CFGR;

  /* Clear CKPOL bits */
  tmpcfgr &= (uint32_t)(~LPTIM_CFGR_CKPOL);

  /* Set Input polarity */
  tmpcfgr |=  hlptim->Init.UltraLowPowerClock.Polarity;

  /* Write to LPTIMx CFGR */
  hlptim->Instance->CFGR = tmpcfgr;

  /* Set ENC bit to enable the encoder interface */
  hlptim->Instance->CFGR |= LPTIM_CFGR_ENC;

  /* Enable "switch to down direction" interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_DOWN);

  /* Enable "switch to up direction" interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_UP);

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_CONTINUOUS(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_Encoder_Stop_IT(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_ENCODER_INTERFACE_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Reset ENC bit to disable the encoder interface */
  hlptim->Instance->CFGR &= ~LPTIM_CFGR_ENC;

  /* Disable "switch to down direction" interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_DOWN);

  /* Disable "switch to up direction" interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_UP);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_TimeOut_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Timeout)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(IS_LPTIM_PULSE(Timeout));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Set TIMOUT bit to enable the timeout function */
  hlptim->Instance->CFGR |= LPTIM_CFGR_TIMOUT;

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Load the Timeout value in the compare register */
  __HAL_LPTIM_COMPARE_SET(hlptim, Timeout);

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_CONTINUOUS(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_TimeOut_Stop(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Reset TIMOUT bit to enable the timeout function */
  hlptim->Instance->CFGR &= ~LPTIM_CFGR_TIMOUT;

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_TimeOut_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period, uint32_t Timeout)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));
  assert_param(IS_LPTIM_PULSE(Timeout));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Enable EXTI Line interrupt on the LPTIM Wake-up Timer */
  __HAL_LPTIM_WAKEUPTIMER_EXTI_ENABLE_IT();

  /* Set TIMOUT bit to enable the timeout function */
  hlptim->Instance->CFGR |= LPTIM_CFGR_TIMOUT;

  /* Enable Compare match interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_CMPM);

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

  /* Load the Timeout value in the compare register */
  __HAL_LPTIM_COMPARE_SET(hlptim, Timeout);

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_CONTINUOUS(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_TimeOut_Stop_IT(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable EXTI Line interrupt on the LPTIM Wake-up Timer */
  __HAL_LPTIM_WAKEUPTIMER_EXTI_DISABLE_IT();

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Reset TIMOUT bit to enable the timeout function */
  hlptim->Instance->CFGR &= ~LPTIM_CFGR_TIMOUT;

  /* Disable Compare match interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_CMPM);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_Counter_Start(LPTIM_HandleTypeDef *hlptim, uint32_t Period)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* If clock source is not ULPTIM clock and counter source is external, then it must not be prescaled */
  if ((hlptim->Init.Clock.Source != LPTIM_CLOCKSOURCE_ULPTIM) && (hlptim->Init.CounterSource == LPTIM_COUNTERSOURCE_EXTERNAL))
  {
    /* Check if clock is prescaled */
    assert_param(IS_LPTIM_CLOCK_PRESCALERDIV1(hlptim->Init.Clock.Prescaler));
    /* Set clock prescaler to 0 */
    hlptim->Instance->CFGR &= ~LPTIM_CFGR_PRESC;
  }

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

#if defined(LPTIM_RCR_REP)
  /* Load the repetition value in the repetition counter */
  if (hlptim->Init.RepetitionCounter != 0)
  {
    __HAL_LPTIM_REPETITIONCOUNTER_SET(hlptim, hlptim->Init.RepetitionCounter);
  }
#endif

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_CONTINUOUS(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_Counter_Stop(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_Counter_Start_IT(LPTIM_HandleTypeDef *hlptim, uint32_t Period)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));
  assert_param(IS_LPTIM_PERIOD(Period));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Enable EXTI Line interrupt on the LPTIM Wake-up Timer */
  __HAL_LPTIM_WAKEUPTIMER_EXTI_ENABLE_IT();

  /* If clock source is not ULPTIM clock and counter source is external, then it must not be prescaled */
  if ((hlptim->Init.Clock.Source != LPTIM_CLOCKSOURCE_ULPTIM) && (hlptim->Init.CounterSource == LPTIM_COUNTERSOURCE_EXTERNAL))
  {
    /* Check if clock is prescaled */
    assert_param(IS_LPTIM_CLOCK_PRESCALERDIV1(hlptim->Init.Clock.Prescaler));
    /* Set clock prescaler to 0 */
    hlptim->Instance->CFGR &= ~LPTIM_CFGR_PRESC;
  }

  /* Enable Autoreload write complete interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_ARROK);

  /* Enable Autoreload match interrupt */
  __HAL_LPTIM_ENABLE_IT(hlptim, LPTIM_IT_ARRM);

#if defined(LPTIM_RCR_REP)
  /* Enable the update event and the repetition register update OK interrupts */
  if ((hlptim->Init.RepetitionCounter) !=  0)
  {
    __HAL_LPTIM_ENABLE_IT(hlptim, (LPTIM_IT_UPDATE | LPTIM_IT_REPOK));
  }
#endif

  /* Enable the Peripheral */
  __HAL_LPTIM_ENABLE(hlptim);

  /* Load the period value in the autoreload register */
  __HAL_LPTIM_AUTORELOAD_SET(hlptim, Period);

 #if defined(LPTIM_RCR_REP)
  /* Load the repetition value in the repetition counter */
  if (hlptim->Init.RepetitionCounter != 0)
  {
    __HAL_LPTIM_REPETITIONCOUNTER_SET(hlptim, hlptim->Init.RepetitionCounter);
  }
#endif

  /* Start timer in continuous mode */
  __HAL_LPTIM_START_CONTINUOUS(hlptim);

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

HAL_StatusTypeDef HAL_LPTIM_Counter_Stop_IT(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  /* Set the LPTIM state */
  hlptim->State = HAL_LPTIM_STATE_BUSY;

  /* Disable EXTI Line interrupt on the LPTIM Wake-up Timer */
  __HAL_LPTIM_WAKEUPTIMER_EXTI_DISABLE_IT();

  /* Disable the Peripheral */
  __HAL_LPTIM_DISABLE(hlptim);

  /* Disable Autoreload write complete interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_ARROK);

  /* Disable Autoreload match interrupt */
  __HAL_LPTIM_DISABLE_IT(hlptim, LPTIM_IT_ARRM);

#if defined(LPTIM_RCR_REP)
  /* Disable the update event and the repetition register update OK interrupts */
  if ((hlptim->Init.RepetitionCounter) !=  0)
  {
    __HAL_LPTIM_DISABLE_IT(hlptim, (LPTIM_IT_UPDATE | LPTIM_IT_REPOK));
  }
#endif

  /* Change the TIM state*/
  hlptim->State = HAL_LPTIM_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

uint32_t HAL_LPTIM_ReadCounter(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  return (hlptim->Instance->CNT);
}

uint32_t HAL_LPTIM_ReadAutoReload(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  return (hlptim->Instance->ARR);
}

uint32_t HAL_LPTIM_ReadCompare(LPTIM_HandleTypeDef *hlptim)
{
  /* Check the parameters */
  assert_param(IS_LPTIM_INSTANCE(hlptim->Instance));

  return (hlptim->Instance->CMP);
}

void HAL_LPTIM_IRQHandler(LPTIM_HandleTypeDef *hlptim)
{
  /* Compare match interrupt */
  if (__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_CMPM) != RESET)
  {
    if (__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_CMPM) != RESET)
    {
      /* Clear Compare match flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_CMPM);

      /* Compare match Callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->CompareMatchCallback(hlptim);
#else
      HAL_LPTIM_CompareMatchCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
    }
  }

  /* Autoreload match interrupt */
  if (__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_ARRM) != RESET)
  {
    if (__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_ARRM) != RESET)
    {
      /* Clear Autoreload match flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_ARRM);

      /* Autoreload match Callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->AutoReloadMatchCallback(hlptim);
#else
      HAL_LPTIM_AutoReloadMatchCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
    }
  }

  /* Trigger detected interrupt */
  if (__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_EXTTRIG) != RESET)
  {
    if (__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_EXTTRIG) != RESET)
    {
      /* Clear Trigger detected flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_EXTTRIG);

      /* Trigger detected callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->TriggerCallback(hlptim);
#else
      HAL_LPTIM_TriggerCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
    }
  }

  /* Compare write interrupt */
  if (__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_CMPOK) != RESET)
  {
    if (__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_CMPOK) != RESET)
    {
      /* Clear Compare write flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_CMPOK);

      /* Compare write Callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->CompareWriteCallback(hlptim);
#else
      HAL_LPTIM_CompareWriteCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
    }
  }

  /* Autoreload write interrupt */
  if (__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_ARROK) != RESET)
  {
    if (__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_ARROK) != RESET)
    {
      /* Clear Autoreload write flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_ARROK);

      /* Autoreload write Callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->AutoReloadWriteCallback(hlptim);
#else
      HAL_LPTIM_AutoReloadWriteCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
    }
  }

  /* Direction counter changed from Down to Up interrupt */
  if (__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_UP) != RESET)
  {
    if (__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_UP) != RESET)
    {
      /* Clear Direction counter changed from Down to Up flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_UP);

      /* Direction counter changed from Down to Up Callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->DirectionUpCallback(hlptim);
#else
      HAL_LPTIM_DirectionUpCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
    }
  }

  /* Direction counter changed from Up to Down interrupt */
  if (__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_DOWN) != RESET)
  {
    if (__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_DOWN) != RESET)
    {
      /* Clear Direction counter changed from Up to Down flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_DOWN);

      /* Direction counter changed from Up to Down Callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->DirectionDownCallback(hlptim);
#else
      HAL_LPTIM_DirectionDownCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */
    }
  }

#if defined(LPTIM_RCR_REP)
  /* Repetition counter underflowed (or contains zero) and the LPTIM counter
     overflowed */
  if(__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_UPDATE) != RESET)
  {
    if(__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_UPDATE) != RESET)
    {
      /* Clear update event flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_UPDATE);

      /* Update event Callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->UpdateEventCallback(hlptim);
#else
      HAL_LPTIM_UpdateEventCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */      
    }
  }

  /* Successful APB bus write to repetition counter register */
  if(__HAL_LPTIM_GET_FLAG(hlptim, LPTIM_FLAG_REPOK) != RESET)
  {
    if(__HAL_LPTIM_GET_IT_SOURCE(hlptim, LPTIM_IT_REPOK) != RESET)
    {
      /* Clear successful APB bus write to repetition counter flag */
      __HAL_LPTIM_CLEAR_FLAG(hlptim, LPTIM_FLAG_REPOK);

      /* Successful APB bus write to repetition counter Callback */
#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)
      hlptim->RepCounterWriteCallback(hlptim);
#else
      HAL_LPTIM_RepCounterWriteCallback(hlptim);
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */      
    }
  }
#endif
}

__weak void HAL_LPTIM_CompareMatchCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_CompareMatchCallback could be implemented in the user file
   */
}

__weak void HAL_LPTIM_AutoReloadMatchCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_AutoReloadMatchCallback could be implemented in the user file
   */
}

__weak void HAL_LPTIM_TriggerCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_TriggerCallback could be implemented in the user file
   */
}

__weak void HAL_LPTIM_CompareWriteCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_CompareWriteCallback could be implemented in the user file
   */
}

__weak void HAL_LPTIM_AutoReloadWriteCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_AutoReloadWriteCallback could be implemented in the user file
   */
}

__weak void HAL_LPTIM_DirectionUpCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_DirectionUpCallback could be implemented in the user file
   */
}

__weak void HAL_LPTIM_DirectionDownCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_DirectionDownCallback could be implemented in the user file
   */
}

#if defined(LPTIM_RCR_REP)

__weak void HAL_LPTIM_UpdateEventCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_UpdateEventCallback could be implemented in the user file
   */
}

__weak void HAL_LPTIM_RepCounterWriteCallback(LPTIM_HandleTypeDef *hlptim)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hlptim);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_LPTIM_RepCounterWriteCallback could be implemented in the user file
   */
}
#endif /* LPTIM_RCR_REP */

#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)

HAL_StatusTypeDef HAL_LPTIM_RegisterCallback(LPTIM_HandleTypeDef        *hlptim,
                                             HAL_LPTIM_CallbackIDTypeDef CallbackID,
                                             pLPTIM_CallbackTypeDef      pCallback)
{
  HAL_StatusTypeDef status = HAL_OK;

  if (pCallback == NULL)
  {
    return HAL_ERROR;
  }

  /* Process locked */
  __HAL_LOCK(hlptim);

  if (hlptim->State == HAL_LPTIM_STATE_READY)
  {
    switch (CallbackID)
    {
      case HAL_LPTIM_MSPINIT_CB_ID :
        hlptim->MspInitCallback = pCallback;
        break;

      case HAL_LPTIM_MSPDEINIT_CB_ID :
        hlptim->MspDeInitCallback = pCallback;
        break;

      case HAL_LPTIM_COMPARE_MATCH_CB_ID :
        hlptim->CompareMatchCallback = pCallback;
        break;

      case HAL_LPTIM_AUTORELOAD_MATCH_CB_ID :
        hlptim->AutoReloadMatchCallback = pCallback;
        break;

      case HAL_LPTIM_TRIGGER_CB_ID :
        hlptim->TriggerCallback = pCallback;
        break;

      case HAL_LPTIM_COMPARE_WRITE_CB_ID :
        hlptim->CompareWriteCallback = pCallback;
        break;

      case HAL_LPTIM_AUTORELOAD_WRITE_CB_ID :
        hlptim->AutoReloadWriteCallback = pCallback;
        break;

      case HAL_LPTIM_DIRECTION_UP_CB_ID :
        hlptim->DirectionUpCallback = pCallback;
        break;

      case HAL_LPTIM_DIRECTION_DOWN_CB_ID :
        hlptim->DirectionDownCallback = pCallback;
        break;

#if defined(LPTIM_RCR_REP)
      case HAL_LPTIM_UPDATE_EVENT_CB_ID :
        hlptim->UpdateEventCallback = pCallback;
        break;

      case HAL_LPTIM_REPETITION_WRITE_CB_ID :
        hlptim->RepCounterWriteCallback = pCallback;
        break;
#endif /* LPTIM_RCR_REP */

      default :
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (hlptim->State == HAL_LPTIM_STATE_RESET)
  {
    switch (CallbackID)
    {
      case HAL_LPTIM_MSPINIT_CB_ID :
        hlptim->MspInitCallback = pCallback;
        break;

      case HAL_LPTIM_MSPDEINIT_CB_ID :
        hlptim->MspDeInitCallback = pCallback;
        break;

      default :
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Return error status */
    status =  HAL_ERROR;
  }

  /* Release Lock */
  __HAL_UNLOCK(hlptim);

  return status;
}

HAL_StatusTypeDef HAL_LPTIM_UnRegisterCallback(LPTIM_HandleTypeDef        *hlptim,
                                               HAL_LPTIM_CallbackIDTypeDef CallbackID)
{
  HAL_StatusTypeDef status = HAL_OK;

  /* Process locked */
  __HAL_LOCK(hlptim);

  if (hlptim->State == HAL_LPTIM_STATE_READY)
  {
    switch (CallbackID)
    {
      case HAL_LPTIM_MSPINIT_CB_ID :
        hlptim->MspInitCallback = HAL_LPTIM_MspInit;                          /* Legacy weak MspInit Callback */
        break;

      case HAL_LPTIM_MSPDEINIT_CB_ID :
        hlptim->MspDeInitCallback = HAL_LPTIM_MspDeInit;                       /* Legacy weak Msp DeInit Callback */
        break;

      case HAL_LPTIM_COMPARE_MATCH_CB_ID :
        hlptim->CompareMatchCallback = HAL_LPTIM_CompareMatchCallback;         /* Legacy weak Compare match Callback */
        break;

      case HAL_LPTIM_AUTORELOAD_MATCH_CB_ID :
        hlptim->AutoReloadMatchCallback = HAL_LPTIM_AutoReloadMatchCallback;   /* Legacy weak Auto-reload match Callback */
        break;

      case HAL_LPTIM_TRIGGER_CB_ID :
        hlptim->TriggerCallback = HAL_LPTIM_TriggerCallback;                   /* Legacy weak External trigger event detection Callback */
        break;

      case HAL_LPTIM_COMPARE_WRITE_CB_ID :
        hlptim->CompareWriteCallback = HAL_LPTIM_CompareWriteCallback;         /* Legacy weak Compare register write complete Callback */
        break;

      case HAL_LPTIM_AUTORELOAD_WRITE_CB_ID :
        hlptim->AutoReloadWriteCallback = HAL_LPTIM_AutoReloadWriteCallback;   /* Legacy weak Auto-reload register write complete Callback */
        break;

      case HAL_LPTIM_DIRECTION_UP_CB_ID :
        hlptim->DirectionUpCallback = HAL_LPTIM_DirectionUpCallback;           /* Legacy weak Up-counting direction change Callback */
        break;

      case HAL_LPTIM_DIRECTION_DOWN_CB_ID :
        hlptim->DirectionDownCallback = HAL_LPTIM_DirectionDownCallback;       /* Legacy weak Down-counting direction change Callback */
        break;

#if defined(LPTIM_RCR_REP)
      case HAL_LPTIM_UPDATE_EVENT_CB_ID :
        hlptim->UpdateEventCallback = HAL_LPTIM_UpdateEventCallback;           /* Legacy weak Update Event Callback */
        break;

      case HAL_LPTIM_REPETITION_WRITE_CB_ID :
        hlptim->RepCounterWriteCallback = HAL_LPTIM_RepCounterWriteCallback;   /* Legacy weak Repetition counter successful write Callback */
        break;
#endif /* LPTIM_RCR_REP */

      default :
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (hlptim->State == HAL_LPTIM_STATE_RESET)
  {
    switch (CallbackID)
    {
      case HAL_LPTIM_MSPINIT_CB_ID :
        hlptim->MspInitCallback = HAL_LPTIM_MspInit;                           /* Legacy weak MspInit Callback */
        break;

      case HAL_LPTIM_MSPDEINIT_CB_ID :
        hlptim->MspDeInitCallback = HAL_LPTIM_MspDeInit;                        /* Legacy weak Msp DeInit Callback */
        break;

      default :
        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Return error status */
    status =  HAL_ERROR;
  }

  /* Release Lock */
  __HAL_UNLOCK(hlptim);

  return status;
}
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */

HAL_LPTIM_StateTypeDef HAL_LPTIM_GetState(LPTIM_HandleTypeDef *hlptim)
{
  /* Return LPTIM handle state */
  return hlptim->State;
}

/* Private functions ---------------------------------------------------------*/

#if (USE_HAL_LPTIM_REGISTER_CALLBACKS == 1)

static void LPTIM_ResetCallback(LPTIM_HandleTypeDef *lptim)
{
  /* Reset the LPTIM callback to the legacy weak callbacks */
  lptim->CompareMatchCallback    = HAL_LPTIM_CompareMatchCallback;    /* Compare match Callback                       */
  lptim->AutoReloadMatchCallback = HAL_LPTIM_AutoReloadMatchCallback; /* Auto-reload match Callback                   */
  lptim->TriggerCallback         = HAL_LPTIM_TriggerCallback;         /* External trigger event detection Callback    */
  lptim->CompareWriteCallback    = HAL_LPTIM_CompareWriteCallback;    /* Compare register write complete Callback     */
  lptim->AutoReloadWriteCallback = HAL_LPTIM_AutoReloadWriteCallback; /* Auto-reload register write complete Callback */
  lptim->DirectionUpCallback     = HAL_LPTIM_DirectionUpCallback;     /* Up-counting direction change Callback        */
  lptim->DirectionDownCallback   = HAL_LPTIM_DirectionDownCallback;   /* Down-counting direction change Callback      */
#if defined(LPTIM_RCR_REP)
  lptim->UpdateEventCallback     = HAL_LPTIM_UpdateEventCallback;     /* Update Event Callback                        */
  lptim->RepCounterWriteCallback = HAL_LPTIM_RepCounterWriteCallback; /* Repetition counter successful write Callback */
#endif /* LPTIM_RCR_REP */
}
#endif /* USE_HAL_LPTIM_REGISTER_CALLBACKS */

void LPTIM_Disable(LPTIM_HandleTypeDef *lptim)
{
  uint32_t tmpclksource = 0;
  uint32_t tmpIER;
  uint32_t tmpCFGR;
  uint32_t tmpCMP;
  uint32_t tmpARR;
  uint32_t tmpOR;

  __disable_irq();

  /*********** Save LPTIM Config ***********/
  /* Save LPTIM source clock */
  switch ((uint32_t)lptim->Instance)
  {
     case LPTIM1_BASE:
       tmpclksource = __HAL_RCC_GET_LPTIM1_SOURCE();
       break;
#if defined(LPTIM2)
     case LPTIM2_BASE:
       tmpclksource = __HAL_RCC_GET_LPTIM2_SOURCE();
       break;
#endif /* LPTIM2 */
     default:
       break;
  }

  /* Save LPTIM configuration registers */
  tmpIER = lptim->Instance->IER;
  tmpCFGR = lptim->Instance->CFGR;
  tmpCMP = lptim->Instance->CMP;
  tmpARR = lptim->Instance->ARR;
  tmpOR = lptim->Instance->OR;

  /*********** Reset LPTIM ***********/
  switch ((uint32_t)lptim->Instance)
  {
     case LPTIM1_BASE:
       __HAL_RCC_LPTIM1_FORCE_RESET();
       __HAL_RCC_LPTIM1_RELEASE_RESET();
       break;
#if defined(LPTIM2)
     case LPTIM2_BASE:
       __HAL_RCC_LPTIM2_FORCE_RESET();
       __HAL_RCC_LPTIM2_RELEASE_RESET();
       break;
#endif /* LPTIM2 */
     default:
       break;
  }

  /*********** Restore LPTIM Config ***********/
  uint32_t Ref_Time;
  uint32_t Time_Elapsed;

  if ((tmpCMP != 0UL) || (tmpARR != 0UL))
  {
    /* Force LPTIM source kernel clock from APB */
    switch ((uint32_t)lptim->Instance)
    {
       case LPTIM1_BASE:
         __HAL_RCC_LPTIM1_CONFIG(RCC_LPTIM1CLKSOURCE_PCLK1);
         break;
#if defined(LPTIM2)
       case LPTIM2_BASE:
         __HAL_RCC_LPTIM2_CONFIG(RCC_LPTIM2CLKSOURCE_PCLK1);
         break;
#endif /* LPTIM2 */
       default:
         break;
    }

    if (tmpCMP != 0UL)
    {
      /* Restore CMP register (LPTIM should be enabled first) */
      lptim->Instance->CR |= LPTIM_CR_ENABLE;
      lptim->Instance->CMP = tmpCMP;
      /* Polling on CMP write ok status after above restore operation */
      Ref_Time = HAL_GetTick();
      do
      {
        Time_Elapsed = HAL_GetTick() - Ref_Time;
      } while ((!(__HAL_LPTIM_GET_FLAG(lptim, LPTIM_FLAG_CMPOK))) && (Time_Elapsed <= TIMEOUT));

      __HAL_LPTIM_CLEAR_FLAG(lptim, LPTIM_FLAG_CMPOK);
    }

    if (tmpARR != 0UL)
    {
      /* Restore ARR register (LPTIM should be enabled first) */
      lptim->Instance->CR |= LPTIM_CR_ENABLE;
      lptim->Instance->ARR = tmpARR;
      /* Polling on ARR write ok status after above restore operation */
      Ref_Time = HAL_GetTick();
      do
      {
        Time_Elapsed = HAL_GetTick() - Ref_Time;
      } while ((!(__HAL_LPTIM_GET_FLAG(lptim, LPTIM_FLAG_ARROK))) && (Time_Elapsed <= TIMEOUT));

      __HAL_LPTIM_CLEAR_FLAG(lptim, LPTIM_FLAG_ARROK);
    }

    /* Restore LPTIM source kernel clock */
    switch ((uint32_t)lptim->Instance)
    {
       case LPTIM1_BASE:
         __HAL_RCC_LPTIM1_CONFIG(tmpclksource);
         break;
#if defined(LPTIM2)
       case LPTIM2_BASE:
         __HAL_RCC_LPTIM2_CONFIG(tmpclksource);
         break;
#endif /* LPTIM2 */
       default:
         break;
    }
  }

  /* Restore configuration registers (LPTIM should be disabled first) */
  lptim->Instance->CR &= ~(LPTIM_CR_ENABLE);
  lptim->Instance->IER = tmpIER;
  lptim->Instance->CFGR = tmpCFGR;
  lptim->Instance->OR = tmpOR;

  __enable_irq();
}
#endif /* LPTIM1 || LPTIM2 */

#endif /* HAL_LPTIM_MODULE_ENABLED */

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