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/**
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/**
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  ******************************************************************************
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  ******************************************************************************
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  * @file    stm32l1xx_hal_pwr_ex.c
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  * @file    stm32l1xx_hal_pwr_ex.c
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  * @author  MCD Application Team
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  * @author  MCD Application Team
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  * @version V1.2.0
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  * @date    01-July-2016
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  * @brief   Extended PWR HAL module driver.
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  * @brief   Extended PWR HAL module driver.
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  *          This file provides firmware functions to manage the following
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  *          This file provides firmware functions to manage the following
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  *          functionalities of the Power Controller (PWR) peripheral:
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  *          functionalities of the Power Controller (PWR) peripheral:
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  *           + Extended Initialization and de-initialization functions
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  *           + Extended Initialization and de-initialization functions
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  *           + Extended Peripheral Control functions
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  *           + Extended Peripheral Control functions
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  *        
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  *
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  ******************************************************************************
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  ******************************************************************************
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  * @attention
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  * @attention
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  *
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  *
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  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
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  *
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  * Redistribution and use in source and binary forms, with or without modification,
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  * are permitted provided that the following conditions are met:
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  *   1. Redistributions of source code must retain the above copyright notice,
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  *      this list of conditions and the following disclaimer.
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  *   2. Redistributions in binary form must reproduce the above copyright notice,
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  *      this list of conditions and the following disclaimer in the documentation
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  *      and/or other materials provided with the distribution.
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  *   3. Neither the name of STMicroelectronics nor the names of its contributors
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  *      may be used to endorse or promote products derived from this software
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  *      without specific prior written permission.
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  * All rights reserved.</center></h2>
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  *
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  *
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  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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  * This software component is licensed by ST under BSD 3-Clause license,
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  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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  * the "License"; You may not use this file except in compliance with the
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  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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  * License. You may obtain a copy of the License at:
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  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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  *                        opensource.org/licenses/BSD-3-Clause
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  *
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  *
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  ******************************************************************************
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  ******************************************************************************
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  */
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  */
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/* Includes ------------------------------------------------------------------*/
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/* Includes ------------------------------------------------------------------*/
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@endverbatim
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@endverbatim
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  * @{
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  * @{
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  */
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  */
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/**
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/**
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  * @brief Return Voltage Scaling Range.  
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  * @brief Return Voltage Scaling Range.
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  * @retval VOS bit field (PWR_REGULATOR_VOLTAGE_SCALE1, PWR_REGULATOR_VOLTAGE_SCALE2 or PWR_REGULATOR_VOLTAGE_SCALE3)
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  * @retval VOS bit field (PWR_REGULATOR_VOLTAGE_SCALE1, PWR_REGULATOR_VOLTAGE_SCALE2 or PWR_REGULATOR_VOLTAGE_SCALE3)
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  */  
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  */
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uint32_t HAL_PWREx_GetVoltageRange(void)
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uint32_t HAL_PWREx_GetVoltageRange(void)
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{
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{
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  return  (PWR->CR & PWR_CR_VOS);
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  return  (PWR->CR & PWR_CR_VOS);
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}
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}
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/**
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/**
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  * @brief  Enables the Fast WakeUp from Ultra Low Power mode.
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  * @brief  Enables the Fast WakeUp from Ultra Low Power mode.
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  * @note   This bit works in conjunction with ULP bit.
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  * @note   This bit works in conjunction with ULP bit.
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  *         Means, when ULP = 1 and FWU = 1 :VREFINT startup time is ignored when
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  *         Means, when ULP = 1 and FWU = 1 :VREFINT startup time is ignored when
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  *         exiting from low power mode.
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  *         exiting from low power mode.
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  * @retval None
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  * @retval None
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  */
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  */
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void HAL_PWREx_EnableFastWakeUp(void)
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void HAL_PWREx_EnableFastWakeUp(void)
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{
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{
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/**
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/**
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  * @brief  Enters the Low Power Run mode.
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  * @brief  Enters the Low Power Run mode.
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  * @note   Low power run mode can only be entered when VCORE is in range 2.
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  * @note   Low power run mode can only be entered when VCORE is in range 2.
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  *         In addition, the dynamic voltage scaling must not be used when Low
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  *         In addition, the dynamic voltage scaling must not be used when Low
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  *         power run mode is selected. Only Stop and Sleep modes with regulator
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  *         power run mode is selected. Only Stop and Sleep modes with regulator
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  *         configured in Low power mode is allowed when Low power run mode is
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  *         configured in Low power mode is allowed when Low power run mode is
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  *         selected.
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  *         selected.
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  * @note   In Low power run mode, all I/O pins keep the same state as in Run mode.
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  * @note   In Low power run mode, all I/O pins keep the same state as in Run mode.
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  * @retval None
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  * @retval None
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  */
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  */
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void HAL_PWREx_EnableLowPowerRunMode(void)
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void HAL_PWREx_EnableLowPowerRunMode(void)