/**
******************************************************************************
* @file py32f0xx_hal_rtc_ex.c
* @author MCU Application Team
* @brief Extended RTC HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the Real Time Clock (RTC) Extension peripheral:
* + RTC Tamper functions
* + Extension Control functions
* + Extension RTC features functions
*
******************************************************************************
* @attention
*
* © Copyright (c) 2023 Puya Semiconductor Co.
* All rights reserved.
*
* This software component is licensed by Puya under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
* @attention
*
* © Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "py32f0xx_hal.h"
/** @addtogroup PY32F0xx_HAL_Driver
* @{
*/
#ifdef HAL_RTC_MODULE_ENABLED
/** @defgroup RTCEx RTCEx
* @brief RTC Extended HAL module driver
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/** @defgroup RTCEx_Private_Macros RTCEx Private Macros
* @{
*/
/**
* @}
*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/** @defgroup RTCEx_Exported_Functions RTCEx Exported Functions
* @{
*/
/** @defgroup RTCEx_Exported_Functions_Group2 RTC Second functions
* @brief RTC Second functions
*
@verbatim
===============================================================================
##### RTC Second functions #####
===============================================================================
[..] This section provides functions implementing second interupt handlers
@endverbatim
* @{
*/
/**
* @brief Sets Interrupt for second
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_SetSecond_IT(RTC_HandleTypeDef *hrtc)
{
/* Check input parameters */
if (hrtc == NULL)
{
return HAL_ERROR;
}
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
/* Enable Second interuption */
__HAL_RTC_SECOND_ENABLE_IT(hrtc, RTC_IT_SEC);
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @brief Deactivates Second.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_DeactivateSecond(RTC_HandleTypeDef *hrtc)
{
/* Check input parameters */
if (hrtc == NULL)
{
return HAL_ERROR;
}
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
/* Deactivate Second interuption*/
__HAL_RTC_SECOND_DISABLE_IT(hrtc, RTC_IT_SEC);
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @brief This function handles second interrupt request.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @retval None
*/
void HAL_RTCEx_RTCIRQHandler(RTC_HandleTypeDef *hrtc)
{
if (__HAL_RTC_SECOND_GET_IT_SOURCE(hrtc, RTC_IT_SEC))
{
/* Get the status of the Interrupt */
if (__HAL_RTC_SECOND_GET_FLAG(hrtc, RTC_FLAG_SEC))
{
/* Check if Overrun occurred */
if (__HAL_RTC_SECOND_GET_FLAG(hrtc, RTC_FLAG_OW))
{
/* Second error callback */
HAL_RTCEx_RTCEventErrorCallback(hrtc);
/* Clear flag Second */
__HAL_RTC_OVERFLOW_CLEAR_FLAG(hrtc, RTC_FLAG_OW);
/* Change RTC state */
hrtc->State = HAL_RTC_STATE_ERROR;
}
else
{
/* Second callback */
HAL_RTCEx_RTCEventCallback(hrtc);
/* Change RTC state */
hrtc->State = HAL_RTC_STATE_READY;
}
/* Clear flag Second */
__HAL_RTC_SECOND_CLEAR_FLAG(hrtc, RTC_FLAG_SEC);
}
}
if (__HAL_RTC_ALARM_GET_IT_SOURCE(hrtc, RTC_IT_ALRA))
{
/* Get the status of the Interrupt */
if (__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAF) != (uint32_t)RESET)
{
/* AlarmA callback */
#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
hrtc->AlarmAEventCallback(hrtc);
#else
HAL_RTC_AlarmAEventCallback(hrtc);
#endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
/* Clear the Alarm interrupt pending bit */
__HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF);
}
}
}
/**
* @brief Second event callback.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @retval None
*/
__weak void HAL_RTCEx_RTCEventCallback(RTC_HandleTypeDef *hrtc)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hrtc);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_RTCEx_RTCEventCallback could be implemented in the user file
*/
}
/**
* @brief Second event error callback.
* @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
* the configuration information for RTC.
* @retval None
*/
__weak void HAL_RTCEx_RTCEventErrorCallback(RTC_HandleTypeDef *hrtc)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hrtc);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_RTCEx_RTCEventErrorCallback could be implemented in the user file
*/
}
/**
* @}
*/
/** @defgroup RTCEx_Exported_Functions_Group3 Extended Peripheral Control functions
* @brief Extended Peripheral Control functions
*
@verbatim
===============================================================================
##### Extension Peripheral Control functions #####
===============================================================================
[..]
This subsection provides functions allowing to
(+) Writes a data in a specified RTC Backup data register
(+) Read a data in a specified RTC Backup data register
(+) Sets the Smooth calibration parameters.
@endverbatim
* @{
*/
/**
* @brief Sets the Smooth calibration parameters.
* @param hrtc: RTC handle
* @param SmoothCalibPeriod: Not used (only present for compatibility with another families)
* @param SmoothCalibPlusPulses: Not used (only present for compatibility with another families)
* @param SmouthCalibMinusPulsesValue: specifies the RTC Clock Calibration value.
* This parameter must be a number between 0 and 0x7F.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RTCEx_SetSmoothCalib(RTC_HandleTypeDef *hrtc, uint32_t SmoothCalibPeriod, uint32_t SmoothCalibPlusPulses, uint32_t SmouthCalibMinusPulsesValue)
{
/* Check input parameters */
if (hrtc == NULL)
{
return HAL_ERROR;
}
/* Prevent unused argument(s) compilation warning */
UNUSED(SmoothCalibPeriod);
UNUSED(SmoothCalibPlusPulses);
/* Check the parameters */
assert_param(IS_RTC_SMOOTH_CALIB_MINUS(SmouthCalibMinusPulsesValue));
/* Process Locked */
__HAL_LOCK(hrtc);
hrtc->State = HAL_RTC_STATE_BUSY;
/* Sets RTC Clock Calibration value.*/
MODIFY_REG(RTC->BKP_RTCCR, BKP_RTCCR_CAL, SmouthCalibMinusPulsesValue);
/* Change RTC state */
hrtc->State = HAL_RTC_STATE_READY;
/* Process Unlocked */
__HAL_UNLOCK(hrtc);
return HAL_OK;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /* HAL_RTC_MODULE_ENABLED */
/**
* @}
*/
/************************ (C) COPYRIGHT Puya *****END OF FILE****/