C++ (Cpp) __HAL_RTC_CALIBRATION_OUTPUT_ENABLE Examples

Example #1

File: stm32f3xx_hal_rtc_ex.c Project: Riyamoll/Operating-Systems-Design

/**
  * @brief  Configures the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz).
  * @param  hrtc: RTC handle
  * @param  CalibOutput : Select the Calibration output Selection .
  *          This parameter can be one of the following values:
  *             @arg RTC_CALIBOUTPUT_512HZ: A signal has a regular waveform at 512Hz. 
  *             @arg RTC_CALIBOUTPUT_1HZ: A signal has a regular waveform at 1Hz.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_RTCEx_SetCalibrationOutPut(RTC_HandleTypeDef* hrtc, uint32_t CalibOutput)
{
  /* Check the parameters */
  assert_param(IS_RTC_CALIB_OUTPUT(CalibOutput));

  /* Process Locked */
  __HAL_LOCK(hrtc);

  hrtc->State = HAL_RTC_STATE_BUSY;

  /* Disable the write protection for RTC registers */
  __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);

  /* Clear flags before config */
  hrtc->Instance->CR &= (uint32_t)~RTC_CR_COSEL;

  /* Configure the RTC_CR register */
  hrtc->Instance->CR |= (uint32_t)CalibOutput;

  __HAL_RTC_CALIBRATION_OUTPUT_ENABLE(hrtc);

  /* Enable the write protection for RTC registers */
  __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);

  /* Change RTC state */
  hrtc->State = HAL_RTC_STATE_READY;

  /* Process Unlocked */
  __HAL_UNLOCK(hrtc);

  return HAL_OK;
}

Example #2

File: stm32f2xx_hal_rtc_ex.c Project: Archcady/mbed-os

/**
  * @brief  Configure the Calibration Pinout (RTC_CALIB).
  * @param  hrtc : RTC handle    
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_RTCEx_SetCalibrationOutPut(RTC_HandleTypeDef* hrtc)
{
  /* Process Locked */ 
  __HAL_LOCK(hrtc);
  
  hrtc->State = HAL_RTC_STATE_BUSY;

  /* Disable the write protection for RTC registers */
  __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
  
  __HAL_RTC_CALIBRATION_OUTPUT_ENABLE(hrtc);
  
  /* Enable the write protection for RTC registers */
  __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
  
  /* Change RTC state */
  hrtc->State = HAL_RTC_STATE_READY; 
  
  /* Process Unlocked */ 
  __HAL_UNLOCK(hrtc);
  
  return HAL_OK;
}