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/**
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  ******************************************************************************
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  * @file    stm32l1xx_hal_pwr_ex.c
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  * @author  MCD Application Team
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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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  *          functionalities of the Power Controller (PWR) peripheral:
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  *           + Extended Initialization and de-initialization functions
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  *           + Extended Peripheral Control functions
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  *
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  ******************************************************************************
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  * @attention
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  *
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  * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
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  * All rights reserved.</center></h2>
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  *
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  * This software component is licensed by ST under BSD 3-Clause license,
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  * the "License"; You may not use this file except in compliance with the
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  * License. You may obtain a copy of the License at:
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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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/* Includes ------------------------------------------------------------------*/
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#include "stm32l1xx_hal.h"
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/** @addtogroup STM32L1xx_HAL_Driver
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  * @{
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  */
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/** @defgroup PWREx PWREx
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  * @brief    PWR HAL module driver
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  * @{
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  */
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#ifdef HAL_PWR_MODULE_ENABLED
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/** @defgroup PWREx_Exported_Functions PWREx Exported Functions
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  * @{
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  */
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/** @defgroup PWREx_Exported_Functions_Group1 Peripheral Extended Features Functions
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  * @brief    Low Power modes configuration functions
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  *
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@verbatim
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 ===============================================================================
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                 ##### Peripheral extended features functions #####
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 ===============================================================================
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@endverbatim
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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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  * @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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uint32_t HAL_PWREx_GetVoltageRange(void)
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{
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  return  (PWR->CR & PWR_CR_VOS);
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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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  * @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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  *         exiting from low power mode.
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  * @retval None
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  */
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void HAL_PWREx_EnableFastWakeUp(void)
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{
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  /* Enable the fast wake up */
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  *(__IO uint32_t *) CR_FWU_BB = (uint32_t)ENABLE;
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}
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/**
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  * @brief  Disables the Fast WakeUp from Ultra Low Power mode.
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  * @retval None
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  */
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void HAL_PWREx_DisableFastWakeUp(void)
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{
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  /* Disable the fast wake up */
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  *(__IO uint32_t *) CR_FWU_BB = (uint32_t)DISABLE;
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}
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/**
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  * @brief  Enables the Ultra Low Power mode
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  * @retval None
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  */
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void HAL_PWREx_EnableUltraLowPower(void)
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{
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  /* Enable the Ultra Low Power mode */
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  *(__IO uint32_t *) CR_ULP_BB = (uint32_t)ENABLE;
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}
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/**
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  * @brief  Disables the Ultra Low Power mode
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  * @retval None
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  */
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void HAL_PWREx_DisableUltraLowPower(void)
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{
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  /* Disable the Ultra Low Power mode */
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  *(__IO uint32_t *) CR_ULP_BB = (uint32_t)DISABLE;
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}
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/**
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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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  *         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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  *         configured in Low power mode is allowed when Low power run mode is
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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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  * @retval None
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  */
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void HAL_PWREx_EnableLowPowerRunMode(void)
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{
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  /* Enters the Low Power Run mode */
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  *(__IO uint32_t *) CR_LPSDSR_BB = (uint32_t)ENABLE;
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  *(__IO uint32_t *) CR_LPRUN_BB  = (uint32_t)ENABLE;
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}
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/**
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  * @brief  Exits the Low Power Run mode.
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  * @retval None
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  */
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HAL_StatusTypeDef HAL_PWREx_DisableLowPowerRunMode(void)
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{
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  /* Exits the Low Power Run mode */
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  *(__IO uint32_t *) CR_LPRUN_BB  = (uint32_t)DISABLE;
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  *(__IO uint32_t *) CR_LPSDSR_BB = (uint32_t)DISABLE;
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  return HAL_OK;
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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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  */
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#endif /* HAL_PWR_MODULE_ENABLED */
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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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/