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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file PWR/PWR_STOP2_RTC/Src/stm32wbxx_hal_msp.c
* @author MCD Application Team
* @brief HAL MSP module.
******************************************************************************
* @attention
*
* Copyright (c) 2019-2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
/* USER CODE END TD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN Define */
/* USER CODE END Define */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN Macro */
/* USER CODE END Macro */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* External functions --------------------------------------------------------*/
/* USER CODE BEGIN ExternalFunctions */
/* USER CODE END ExternalFunctions */
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* Initializes the Global MSP.
*/
void HAL_MspInit(void)
{
/* USER CODE BEGIN MspInit 0 */
/* USER CODE END MspInit 0 */
/* System interrupt init*/
/* USER CODE BEGIN MspInit 1 */
/* USER CODE END MspInit 1 */
}
/**
* @brief RTC MSP Initialization
* This function configures the hardware resources used in this example
* @param hrtc: RTC handle pointer
* @retval None
*/
void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
{
if(hrtc->Instance==RTC)
{
/* USER CODE BEGIN RTC_MspInit 0 */
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
/* Specific procedure on STM32WB before setting RTC clock to LSI1: */
/* Need to clear LSE ready flag set from previous program run. */
/* Enable backup access */
HAL_PWR_EnableBkUpAccess();
/* Reset backup domain */
LL_RCC_ForceBackupDomainReset();
LL_RCC_ReleaseBackupDomainReset();
/* Disable backup access */
HAL_PWR_DisableBkUpAccess();
/*## Configure the RTC clock source ######################################*/
/* Enable LSI Oscillator */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI1;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
while(1);
}
/* -b- Select LSI as RTC clock source */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
while(1);
}
/* USER CODE END RTC_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_RTC_ENABLE();
__HAL_RCC_RTCAPB_CLK_ENABLE();
/* USER CODE BEGIN RTC_MspInit 1 */
/*## Configure the NVIC for RTC Alarm ###################################*/
HAL_NVIC_SetPriority(RTC_WKUP_IRQn, 0x0, 0);
HAL_NVIC_EnableIRQ(RTC_WKUP_IRQn);
/* USER CODE END RTC_MspInit 1 */
}
}
/**
* @brief RTC MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hrtc: RTC handle pointer
* @retval None
*/
void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
{
if(hrtc->Instance==RTC)
{
/* USER CODE BEGIN RTC_MspDeInit 0 */
/* USER CODE END RTC_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_RTC_DISABLE();
__HAL_RCC_RTCAPB_CLK_DISABLE();
/* USER CODE BEGIN RTC_MspDeInit 1 */
/* USER CODE END RTC_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
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