Hal Drivers for L4

Dependents:   BSP OneHopeOnePrayer FINAL_AUDIO_RECORD AudioDemo

Fork of STM32L4xx_HAL_Driver by Senior Design: Sound Monitor

Revision:
0:80ee8f3b695e
diff -r 000000000000 -r 80ee8f3b695e Inc/stm32l4xx_ll_pwr.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Inc/stm32l4xx_ll_pwr.h	Mon Nov 02 19:37:23 2015 +0000
@@ -0,0 +1,1352 @@
+/**
+  ******************************************************************************
+  * @file    stm32l4xx_ll_pwr.h
+  * @author  MCD Application Team
+  * @version V1.1.0
+  * @date    16-September-2015
+  * @brief   Header file of PWR LL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32L4xx_LL_PWR_H
+#define __STM32L4xx_LL_PWR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l4xx.h"
+
+/** @addtogroup STM32L4xx_LL_Driver
+  * @{
+  */
+
+#if defined(PWR)
+
+/** @defgroup PWR_LL PWR
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+
+/* Private constants ---------------------------------------------------------*/
+
+/* Private macros ------------------------------------------------------------*/
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/** @defgroup PWR_LL_Exported_Constants PWR Exported Constants
+  * @{
+  */
+
+/** @defgroup PWR_LL_EC_CLEAR_FLAG Clear Flags Defines
+  * @brief    Flags defines which can be used with LL_PWR_WriteReg function
+  * @{
+  */
+#define LL_PWR_SCR_CSBF                    PWR_SCR_CSBF
+#define LL_PWR_SCR_CWUF                    PWR_SCR_CWUF
+#define LL_PWR_SCR_CWUF5                   PWR_SCR_CWUF5
+#define LL_PWR_SCR_CWUF4                   PWR_SCR_CWUF4
+#define LL_PWR_SCR_CWUF3                   PWR_SCR_CWUF3
+#define LL_PWR_SCR_CWUF2                   PWR_SCR_CWUF2
+#define LL_PWR_SCR_CWUF1                   PWR_SCR_CWUF1
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_GET_FLAG Get Flags Defines
+  * @brief    Flags defines which can be used with LL_PWR_ReadReg function
+  * @{
+  */
+#define LL_PWR_SR1_WUFI                    PWR_SR1_WUFI
+#define LL_PWR_SR1_SBF                     PWR_SR1_SBF
+#define LL_PWR_SR1_WUF5                    PWR_SR1_WUF5
+#define LL_PWR_SR1_WUF4                    PWR_SR1_WUF4
+#define LL_PWR_SR1_WUF3                    PWR_SR1_WUF3
+#define LL_PWR_SR1_WUF2                    PWR_SR1_WUF2
+#define LL_PWR_SR1_WUF1                    PWR_SR1_WUF1
+#define LL_PWR_SR2_PVMO4                   PWR_SR2_PVMO4
+#define LL_PWR_SR2_PVMO3                   PWR_SR2_PVMO3
+#define LL_PWR_SR2_PVMO2                   PWR_SR2_PVMO2 
+#define LL_PWR_SR2_PVMO1                   PWR_SR2_PVMO1
+#define LL_PWR_SR2_PVDO                    PWR_SR2_PVDO
+#define LL_PWR_SR2_VOSF                    PWR_SR2_VOSF  
+#define LL_PWR_SR2_REGLPF                  PWR_SR2_REGLPF
+#define LL_PWR_SR2_REGLPS                  PWR_SR2_REGLPS
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_REGU_VOLTAGE REGU VOLTAGE
+  * @{
+  */
+#define LL_PWR_REGU_VOLTAGE_SCALE1         (PWR_CR1_VOS_0)
+#define LL_PWR_REGU_VOLTAGE_SCALE2         (PWR_CR1_VOS_1)
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_MODE_STOP1_MAIN MODE STOP1 MAIN
+  * @{
+  */
+#define LL_PWR_MODE_STOP1_MAIN_REGU        (PWR_CR1_LPMS_STOP1MR)
+#define LL_PWR_MODE_STOP1_LP_REGU          (PWR_CR1_LPMS_STOP1LPR)
+#define LL_PWR_MODE_STOP2                  (PWR_CR1_LPMS_STOP2)
+#define LL_PWR_MODE_STANDBY                (PWR_CR1_LPMS_STANDBY) 
+#define LL_PWR_MODE_SHUTDOWN               (PWR_CR1_LPMS_SHUTDOWN)
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_PVM_VDDUSB_1 PVM VDDUSB 1
+  * @{
+  */
+#if defined(USB_OTG_FS)
+#define LL_PWR_PVM_VDDUSB_1_2V             (PWR_CR2_PVME1)     /* Monitoring VDDUSB vs. 1.2V */
+#endif /* USB_OTG_FS */
+#define LL_PWR_PVM_VDDIO2_0_9V             (PWR_CR2_PVME2)     /* Monitoring VDDIO2 vs. 0.9V */
+#define LL_PWR_PVM_VDDA_1_62V              (PWR_CR2_PVME3)     /* Monitoring VDDA vs. 1.62V  */
+#define LL_PWR_PVM_VDDA_2_2V               (PWR_CR2_PVME4)     /* Monitoring VDDA vs. 2.2V   */
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_PVDLEVEL PVDLEVEL
+  * @{
+  */
+#define LL_PWR_PVDLEVEL_0                  (PWR_CR2_PLS_LEV0)  /* VPVD0 around 2.0 V */
+#define LL_PWR_PVDLEVEL_1                  (PWR_CR2_PLS_LEV1)  /* VPVD1 around 2.2 V */
+#define LL_PWR_PVDLEVEL_2                  (PWR_CR2_PLS_LEV2)  /* VPVD2 around 2.4 V */
+#define LL_PWR_PVDLEVEL_3                  (PWR_CR2_PLS_LEV3)  /* VPVD3 around 2.5 V */
+#define LL_PWR_PVDLEVEL_4                  (PWR_CR2_PLS_LEV4)  /* VPVD4 around 2.6 V */
+#define LL_PWR_PVDLEVEL_5                  (PWR_CR2_PLS_LEV5)  /* VPVD5 around 2.8 V */
+#define LL_PWR_PVDLEVEL_6                  (PWR_CR2_PLS_LEV6)  /* VPVD6 around 2.9 V */
+#define LL_PWR_PVDLEVEL_7                  (PWR_CR2_PLS_LEV7)  /* External input analog voltage   (Compare internally to VREFINT) */
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_WAKEUP WAKEUP
+  * @{
+  */
+#define LL_PWR_WAKEUP_PIN1                 (PWR_CR3_EWUP1)
+#define LL_PWR_WAKEUP_PIN2                 (PWR_CR3_EWUP2)
+#define LL_PWR_WAKEUP_PIN3                 (PWR_CR3_EWUP3)
+#define LL_PWR_WAKEUP_PIN4                 (PWR_CR3_EWUP4)
+#define LL_PWR_WAKEUP_PIN5                 (PWR_CR3_EWUP5)
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_BATT_CHARG_RESISTOR BATT CHARG RESISTOR
+  * @{
+  */
+#define LL_PWR_BATT_CHARG_RESISTOR_5K      ((uint32_t)0x00000000)
+#define LL_PWR_BATT_CHARGRESISTOR_1_5K     (PWR_CR4_VBRS)
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_GPIO GPIO
+  * @{
+  */
+#define LL_PWR_GPIO_A                      ((uint32_t)(&(PWR->PUCRA)))
+#define LL_PWR_GPIO_B                      ((uint32_t)(&(PWR->PUCRB)))
+#define LL_PWR_GPIO_C                      ((uint32_t)(&(PWR->PUCRC)))
+#define LL_PWR_GPIO_D                      ((uint32_t)(&(PWR->PUCRD)))
+#define LL_PWR_GPIO_E                      ((uint32_t)(&(PWR->PUCRE)))
+#define LL_PWR_GPIO_F                      ((uint32_t)(&(PWR->PUCRF)))
+#define LL_PWR_GPIO_G                      ((uint32_t)(&(PWR->PUCRG)))
+#define LL_PWR_GPIO_H                      ((uint32_t)(&(PWR->PUCRH)))
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EC_GPIO_BIT GPIO BIT
+  * @{
+  */
+#define LL_PWR_GPIO_BIT_0                  ((uint32_t)0x00000001)
+#define LL_PWR_GPIO_BIT_1                  ((uint32_t)0x00000002)
+#define LL_PWR_GPIO_BIT_2                  ((uint32_t)0x00000004)
+#define LL_PWR_GPIO_BIT_3                  ((uint32_t)0x00000008)
+#define LL_PWR_GPIO_BIT_4                  ((uint32_t)0x00000010)
+#define LL_PWR_GPIO_BIT_5                  ((uint32_t)0x00000020)
+#define LL_PWR_GPIO_BIT_6                  ((uint32_t)0x00000040)
+#define LL_PWR_GPIO_BIT_7                  ((uint32_t)0x00000080)
+#define LL_PWR_GPIO_BIT_8                  ((uint32_t)0x00000100)
+#define LL_PWR_GPIO_BIT_9                  ((uint32_t)0x00000200)
+#define LL_PWR_GPIO_BIT_10                 ((uint32_t)0x00000400)
+#define LL_PWR_GPIO_BIT_11                 ((uint32_t)0x00000800)
+#define LL_PWR_GPIO_BIT_12                 ((uint32_t)0x00001000)
+#define LL_PWR_GPIO_BIT_13                 ((uint32_t)0x00002000)
+#define LL_PWR_GPIO_BIT_14                 ((uint32_t)0x00004000)
+#define LL_PWR_GPIO_BIT_15                 ((uint32_t)0x00008000)
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup PWR_LL_Exported_Macros PWR Exported Macros
+  * @{
+  */
+
+/** @defgroup PWR_LL_EM_WRITE_READ Common Write and read registers Macros
+  * @{
+  */
+
+/**
+  * @brief  Write a value in PWR register
+  * @param  __REG__ Register to be written
+  * @param  __VALUE__ Value to be written in the register
+  * @retval None
+  */
+#define LL_PWR_WriteReg(__REG__, __VALUE__) WRITE_REG(PWR->__REG__, (__VALUE__))
+
+/**
+  * @brief  Read a value in PWR register
+  * @param  __REG__ Register to be read
+  * @retval Register value
+  */
+#define LL_PWR_ReadReg(__REG__) READ_REG(PWR->__REG__)
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+
+/* Exported functions --------------------------------------------------------*/
+/** @defgroup PWR_LL_Exported_Functions PWR Exported Functions
+  * @{
+  */
+
+/** @defgroup PWR_LL_EF_Configuration Configuration
+  * @{
+  */
+
+/**
+  * @brief  Switch the regulator from main mode to low-power mode
+  * @rmtoll CR1          LPR           LL_PWR_EnableLowPowerRunMode
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableLowPowerRunMode(void)
+{
+  SET_BIT(PWR->CR1, PWR_CR1_LPR);
+}
+
+/**
+  * @brief  Switch the regulator from low-power mode to main mode
+  * @rmtoll CR1          LPR           LL_PWR_DisableLowPowerRunMode
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableLowPowerRunMode(void)
+{
+  CLEAR_BIT(PWR->CR1, PWR_CR1_LPR);
+}
+
+/**
+  * @brief  Check if the regulator is in low-power mode
+  * @rmtoll CR1          LPR           LL_PWR_IsEnabledLowPowerRunMode
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledLowPowerRunMode(void)
+{
+  return (READ_BIT(PWR->CR1, PWR_CR1_LPR) == (PWR_CR1_LPR));
+}
+
+/**
+  * @brief  Set the main internal regulator output voltage
+  * @rmtoll CR1          VOS           LL_PWR_SetRegulVoltageScaling
+  * @param  VoltageScaling This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_REGU_VOLTAGE_SCALE1
+  *         @arg @ref LL_PWR_REGU_VOLTAGE_SCALE2
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_SetRegulVoltageScaling(uint32_t VoltageScaling)
+{
+  MODIFY_REG(PWR->CR1, PWR_CR1_VOS, VoltageScaling);
+}
+
+/**
+  * @brief  Get the main internal regulator output voltage
+  * @rmtoll CR1          VOS           LL_PWR_GetRegulVoltageScaling
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_PWR_REGU_VOLTAGE_SCALE1
+  *         @arg @ref LL_PWR_REGU_VOLTAGE_SCALE2
+  */
+__STATIC_INLINE uint32_t LL_PWR_GetRegulVoltageScaling(void)
+{
+  return (uint32_t)(READ_BIT(PWR->CR1, PWR_CR1_VOS));
+}
+
+/**
+  * @brief  Enable access to the backup domain
+  * @rmtoll CR1          DBP           LL_PWR_EnableBkUpAccess
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableBkUpAccess(void)
+{
+  SET_BIT(PWR->CR1, PWR_CR1_DBP);
+}
+
+/**
+  * @brief  Disable access to the backup domain
+  * @rmtoll CR1          DBP           LL_PWR_DisableBkUpAccess
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableBkUpAccess(void)
+{
+  CLEAR_BIT(PWR->CR1, PWR_CR1_DBP);
+}
+
+/**
+  * @brief  Check if the backup domain is enabled
+  * @rmtoll CR1          DBP           LL_PWR_IsEnabledBkUpAccess
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledBkUpAccess(void)
+{
+  return (READ_BIT(PWR->CR1, PWR_CR1_DBP) == (PWR_CR1_DBP));
+}
+
+/**
+  * @brief  Set Low-Power mode
+  * @rmtoll CR1          LPMS          LL_PWR_SetPowerMode
+  * @param  LowPowerMode This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_MODE_STOP1_MAIN_REGU
+  *         @arg @ref LL_PWR_MODE_STOP1_LP_REGU
+  *         @arg @ref LL_PWR_MODE_STOP2
+  *         @arg @ref LL_PWR_MODE_STANDBY
+  *         @arg @ref LL_PWR_MODE_SHUTDOWN
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_SetPowerMode(uint32_t LowPowerMode)
+{
+  MODIFY_REG(PWR->CR1, PWR_CR1_LPMS, LowPowerMode);
+}
+
+/**
+  * @brief  Get Low-Power mode
+  * @rmtoll CR1          LPMS          LL_PWR_GetPowerMode
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_PWR_MODE_STOP1_MAIN_REGU
+  *         @arg @ref LL_PWR_MODE_STOP1_LP_REGU
+  *         @arg @ref LL_PWR_MODE_STOP2
+  *         @arg @ref LL_PWR_MODE_STANDBY
+  *         @arg @ref LL_PWR_MODE_SHUTDOWN
+  */
+__STATIC_INLINE uint32_t LL_PWR_GetPowerMode(void)
+{
+  return (uint32_t)(READ_BIT(PWR->CR1, PWR_CR1_LPMS));
+}
+
+#if defined(USB_OTG_FS)
+/**
+  * @brief  Enable VDDUSB supply
+  * @rmtoll CR2          USV           LL_PWR_EnableVddUSB
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableVddUSB(void)
+{
+  SET_BIT(PWR->CR2, PWR_CR2_USV);
+}
+#endif /* USB_OTG_FS */
+
+#if defined(USB_OTG_FS)
+/**
+  * @brief  Disable VDDUSB supply
+  * @rmtoll CR2          USV           LL_PWR_DisableVddUSB
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableVddUSB(void)
+{
+  CLEAR_BIT(PWR->CR2, PWR_CR2_USV);
+}
+#endif /* USB_OTG_FS */
+
+#if defined(USB_OTG_FS)
+/**
+  * @brief  Check if VDDUSB supply is enabled
+  * @rmtoll CR2          USV           LL_PWR_IsEnabledVddUSB
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledVddUSB(void)
+{
+  return (READ_BIT(PWR->CR2, PWR_CR2_USV) == (PWR_CR2_USV));
+}
+#endif /* USB_OTG_FS */
+
+/**
+  * @brief  Enable VDDIO2 supply
+  * @rmtoll CR2          IOSV          LL_PWR_EnableVddIO2
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableVddIO2(void)
+{
+  SET_BIT(PWR->CR2, PWR_CR2_IOSV);
+}
+
+/**
+  * @brief  Disable VDDIO2 supply
+  * @rmtoll CR2          IOSV          LL_PWR_DisableVddIO2
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableVddIO2(void)
+{
+  CLEAR_BIT(PWR->CR2, PWR_CR2_IOSV);
+}
+
+/**
+  * @brief  Check if VDDIO2 supply is enabled
+  * @rmtoll CR2          IOSV          LL_PWR_IsEnabledVddIO2
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledVddIO2(void)
+{
+  return (READ_BIT(PWR->CR2, PWR_CR2_IOSV) == (PWR_CR2_IOSV));
+}
+
+/**
+  * @brief  Enable the Power Voltage Monitoring on a peripheral
+  *         CR2          PVME1         LL_PWR_EnablePVM\n
+  *         CR2          PVME2         LL_PWR_EnablePVM\n
+  *         CR2          PVME3         LL_PWR_EnablePVM\n
+  *         CR2          PVME4         LL_PWR_EnablePVM
+  * @param  PeriphVoltage This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_PVM_VDDUSB_1_2V (*)
+  *         @arg @ref LL_PWR_PVM_VDDIO2_0_9V
+  *         @arg @ref LL_PWR_PVM_VDDA_1_62V
+  *         @arg @ref LL_PWR_PVM_VDDA_2_2V
+  *         (*) value not defined in all devices.
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnablePVM(uint32_t PeriphVoltage)
+{
+  SET_BIT(PWR->CR2, PeriphVoltage);
+}
+
+/**
+  * @brief  Disable the Power Voltage Monitoring on a peripheral
+  * @rmtoll CR2          PVME1         LL_PWR_DisablePVM\n
+  *         CR2          PVME2         LL_PWR_DisablePVM\n
+  *         CR2          PVME3         LL_PWR_DisablePVM\n
+  *         CR2          PVME4         LL_PWR_DisablePVM
+  * @param  PeriphVoltage This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_PVM_VDDUSB_1_2V (*)
+  *         @arg @ref LL_PWR_PVM_VDDIO2_0_9V
+  *         @arg @ref LL_PWR_PVM_VDDA_1_62V
+  *         @arg @ref LL_PWR_PVM_VDDA_2_2V
+  *         (*) value not defined in all devices.
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisablePVM(uint32_t PeriphVoltage)
+{
+  CLEAR_BIT(PWR->CR2, PeriphVoltage);
+}
+
+/**
+  * @brief  Check if Power Voltage Monitoring  is enabled on a peripheral
+  * @rmtoll CR2          PVME1         LL_PWR_IsEnabledPVM\n
+  *         CR2          PVME2         LL_PWR_IsEnabledPVM\n
+  *         CR2          PVME3         LL_PWR_IsEnabledPVM\n
+  *         CR2          PVME4         LL_PWR_IsEnabledPVM
+  * @param  PeriphVoltage This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_PVM_VDDUSB_1_2V (*)
+  *         @arg @ref LL_PWR_PVM_VDDIO2_0_9V
+  *         @arg @ref LL_PWR_PVM_VDDA_1_62V
+  *         @arg @ref LL_PWR_PVM_VDDA_2_2V
+  *         (*) value not defined in all devices.
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledPVM(uint32_t PeriphVoltage)
+{
+  return (READ_BIT(PWR->CR2, PeriphVoltage) == (PeriphVoltage));
+}
+
+/**
+  * @brief  Configure the voltage threshold detected by the Power Voltage Detector
+  * @rmtoll CR2          PLS           LL_PWR_SetPVDLevel
+  * @param  PVDLevel This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_PVDLEVEL_0
+  *         @arg @ref LL_PWR_PVDLEVEL_1
+  *         @arg @ref LL_PWR_PVDLEVEL_2
+  *         @arg @ref LL_PWR_PVDLEVEL_3
+  *         @arg @ref LL_PWR_PVDLEVEL_4
+  *         @arg @ref LL_PWR_PVDLEVEL_5
+  *         @arg @ref LL_PWR_PVDLEVEL_6
+  *         @arg @ref LL_PWR_PVDLEVEL_7
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_SetPVDLevel(uint32_t PVDLevel)
+{
+  MODIFY_REG(PWR->CR2, PWR_CR2_PLS, PVDLevel);
+}
+
+/**
+  * @brief  Get the voltage threshold detection
+  * @rmtoll CR2          PLS           LL_PWR_GetPVDLevel
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_PWR_PVDLEVEL_0
+  *         @arg @ref LL_PWR_PVDLEVEL_1
+  *         @arg @ref LL_PWR_PVDLEVEL_2
+  *         @arg @ref LL_PWR_PVDLEVEL_3
+  *         @arg @ref LL_PWR_PVDLEVEL_4
+  *         @arg @ref LL_PWR_PVDLEVEL_5
+  *         @arg @ref LL_PWR_PVDLEVEL_6
+  *         @arg @ref LL_PWR_PVDLEVEL_7
+  */
+__STATIC_INLINE uint32_t LL_PWR_GetPVDLevel(void)
+{
+  return (uint32_t)(READ_BIT(PWR->CR2, PWR_CR2_PLS));
+}
+
+/**
+  * @brief  Enable Power Voltage Detector
+  * @rmtoll CR2          PVDE          LL_PWR_EnablePVD
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnablePVD(void)
+{
+  SET_BIT(PWR->CR2, PWR_CR2_PVDE);
+}
+
+/**
+  * @brief  Disable Power Voltage Detector
+  * @rmtoll CR2          PVDE          LL_PWR_DisablePVD
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisablePVD(void)
+{
+  CLEAR_BIT(PWR->CR2, PWR_CR2_PVDE);
+}
+
+/**
+  * @brief  Check if Power Voltage Detector is enabled
+  * @rmtoll CR2          PVDE          LL_PWR_IsEnabledPVD
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledPVD(void)
+{
+  return (READ_BIT(PWR->CR2, PWR_CR2_PVDE) == (PWR_CR2_PVDE));
+}
+
+/**
+  * @brief  Enable Internal Wake-up line
+  * @rmtoll CR3          EIWF          LL_PWR_EnableInternWU
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableInternWU(void)
+{
+  SET_BIT(PWR->CR3, PWR_CR3_EIWF);
+}
+
+/**
+  * @brief  Disable Internal Wake-up line
+  * @rmtoll CR3          EIWF          LL_PWR_DisableInternWU
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableInternWU(void)
+{
+  CLEAR_BIT(PWR->CR3, PWR_CR3_EIWF);
+}
+
+/**
+  * @brief  Check if Internal Wake-up line is enabled
+  * @rmtoll CR3          EIWF          LL_PWR_IsEnabledInternWU
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledInternWU(void)
+{
+  return (READ_BIT(PWR->CR3, PWR_CR3_EIWF) == (PWR_CR3_EIWF));
+}
+
+/**
+  * @brief  Enable pull-up and pull-down configuration
+  * @rmtoll CR3          APC           LL_PWR_EnablePUPDCfg
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnablePUPDCfg(void)
+{
+  SET_BIT(PWR->CR3, PWR_CR3_APC);
+}
+
+/**
+  * @brief  Disable pull-up and pull-down configuration
+  * @rmtoll CR3          APC           LL_PWR_DisablePUPDCfg
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisablePUPDCfg(void)
+{
+  CLEAR_BIT(PWR->CR3, PWR_CR3_APC);
+}
+
+/**
+  * @brief  Check if pull-up and pull-down configuration  is enabled
+  * @rmtoll CR3          APC           LL_PWR_IsEnabledPUPDCfg
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledPUPDCfg(void)
+{
+  return (READ_BIT(PWR->CR3, PWR_CR3_APC) == (PWR_CR3_APC));
+}
+
+/**
+  * @brief  Enable SRAM2 content retention in Standby mode
+  * @rmtoll CR3          RRS           LL_PWR_EnableSRAM2Retention
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableSRAM2Retention(void)
+{
+  SET_BIT(PWR->CR3, PWR_CR3_RRS);
+}
+
+/**
+  * @brief  Disable SRAM2 content retention in Standby mode
+  * @rmtoll CR3          RRS           LL_PWR_DisableSRAM2Retention
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableSRAM2Retention(void)
+{
+  CLEAR_BIT(PWR->CR3, PWR_CR3_RRS);
+}
+
+/**
+  * @brief  Check if SRAM2 content retention in Standby mode  is enabled
+  * @rmtoll CR3          RRS           LL_PWR_IsEnabledSRAM2Retention
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledSRAM2Retention(void)
+{
+  return (READ_BIT(PWR->CR3, PWR_CR3_RRS) == (PWR_CR3_RRS));
+}
+
+/**
+  * @brief  Enable the WakeUp PINx functionality
+  * @rmtoll CR3          EWUP1         LL_PWR_EnableWakeUpPin\n
+  *         CR3          EWUP2         LL_PWR_EnableWakeUpPin\n
+  *         CR3          EWUP3         LL_PWR_EnableWakeUpPin\n
+  *         CR3          EWUP4         LL_PWR_EnableWakeUpPin\n
+  *         CR3          EWUP5         LL_PWR_EnableWakeUpPin
+  * @param  WakeUpPin This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_WAKEUP_PIN1
+  *         @arg @ref LL_PWR_WAKEUP_PIN2
+  *         @arg @ref LL_PWR_WAKEUP_PIN3
+  *         @arg @ref LL_PWR_WAKEUP_PIN4
+  *         @arg @ref LL_PWR_WAKEUP_PIN5
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableWakeUpPin(uint32_t WakeUpPin)
+{
+  SET_BIT(PWR->CR3, WakeUpPin);
+}
+
+/**
+  * @brief  Disable the WakeUp PINx functionality
+  * @rmtoll CR3          EWUP1         LL_PWR_DisableWakeUpPin\n
+  *         CR3          EWUP2         LL_PWR_DisableWakeUpPin\n
+  *         CR3          EWUP3         LL_PWR_DisableWakeUpPin\n
+  *         CR3          EWUP4         LL_PWR_DisableWakeUpPin\n
+  *         CR3          EWUP5         LL_PWR_DisableWakeUpPin
+  * @param  WakeUpPin This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_WAKEUP_PIN1
+  *         @arg @ref LL_PWR_WAKEUP_PIN2
+  *         @arg @ref LL_PWR_WAKEUP_PIN3
+  *         @arg @ref LL_PWR_WAKEUP_PIN4
+  *         @arg @ref LL_PWR_WAKEUP_PIN5
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableWakeUpPin(uint32_t WakeUpPin)
+{
+  CLEAR_BIT(PWR->CR3, WakeUpPin);
+}
+
+/**
+  * @brief  Check if the WakeUp PINx functionality is enabled
+  * @rmtoll CR3          EWUP1         LL_PWR_IsEnabledWakeUpPin\n
+  *         CR3          EWUP2         LL_PWR_IsEnabledWakeUpPin\n
+  *         CR3          EWUP3         LL_PWR_IsEnabledWakeUpPin\n
+  *         CR3          EWUP4         LL_PWR_IsEnabledWakeUpPin\n
+  *         CR3          EWUP5         LL_PWR_IsEnabledWakeUpPin
+  * @param  WakeUpPin This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_WAKEUP_PIN1
+  *         @arg @ref LL_PWR_WAKEUP_PIN2
+  *         @arg @ref LL_PWR_WAKEUP_PIN3
+  *         @arg @ref LL_PWR_WAKEUP_PIN4
+  *         @arg @ref LL_PWR_WAKEUP_PIN5
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledWakeUpPin(uint32_t WakeUpPin)
+{
+  return (READ_BIT(PWR->CR3, WakeUpPin) == (WakeUpPin));
+}
+
+/**
+  * @brief  Set the resistor impedance
+  * @rmtoll CR4          VBRS          LL_PWR_SetBattChargResistor
+  * @param  Resistor This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_BATT_CHARG_RESISTOR_5K
+  *         @arg @ref LL_PWR_BATT_CHARGRESISTOR_1_5K
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_SetBattChargResistor(uint32_t Resistor)
+{
+  MODIFY_REG(PWR->CR4, PWR_CR4_VBRS, Resistor);
+}
+
+/**
+  * @brief  Get the resistor impedance
+  * @rmtoll CR4          VBRS          LL_PWR_GetBattChargResistor
+  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_PWR_BATT_CHARG_RESISTOR_5K
+  *         @arg @ref LL_PWR_BATT_CHARGRESISTOR_1_5K
+  */
+__STATIC_INLINE uint32_t LL_PWR_GetBattChargResistor(void)
+{
+  return (uint32_t)(READ_BIT(PWR->CR4, PWR_CR4_VBRS));
+}
+
+/**
+  * @brief  Enable battery charging
+  * @rmtoll CR4          VBE           LL_PWR_EnableBatteryCharging
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableBatteryCharging(void)
+{
+  SET_BIT(PWR->CR4, PWR_CR4_VBE);
+}
+
+/**
+  * @brief  Disable battery charging
+  * @rmtoll CR4          VBE           LL_PWR_DisableBatteryCharging
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableBatteryCharging(void)
+{
+  CLEAR_BIT(PWR->CR4, PWR_CR4_VBE);
+}
+
+/**
+  * @brief  Check if battery charging is enabled
+  * @rmtoll CR4          VBE           LL_PWR_IsEnabledBatteryCharging
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledBatteryCharging(void)
+{
+  return (READ_BIT(PWR->CR4, PWR_CR4_VBE) == (PWR_CR4_VBE));
+}
+
+/**
+  * @brief  Set the Wake-Up pin polarity low for the event detection
+  * @rmtoll CR4          WP1           LL_PWR_SetWakeUpPinPolarityLow\n
+  *         CR4          WP2           LL_PWR_SetWakeUpPinPolarityLow\n
+  *         CR4          WP3           LL_PWR_SetWakeUpPinPolarityLow\n
+  *         CR4          WP4           LL_PWR_SetWakeUpPinPolarityLow\n
+  *         CR4          WP5           LL_PWR_SetWakeUpPinPolarityLow
+  * @param  WakeUpPin This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_WAKEUP_PIN1
+  *         @arg @ref LL_PWR_WAKEUP_PIN2
+  *         @arg @ref LL_PWR_WAKEUP_PIN3
+  *         @arg @ref LL_PWR_WAKEUP_PIN4
+  *         @arg @ref LL_PWR_WAKEUP_PIN5
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_SetWakeUpPinPolarityLow(uint32_t WakeUpPin)
+{
+  SET_BIT(PWR->CR4, WakeUpPin);
+}
+
+/**
+  * @brief  Set the Wake-Up pin polarity high for the event detection
+  * @rmtoll CR4          WP1           LL_PWR_SetWakeUpPinPolarityHigh\n
+  *         CR4          WP2           LL_PWR_SetWakeUpPinPolarityHigh\n
+  *         CR4          WP3           LL_PWR_SetWakeUpPinPolarityHigh\n
+  *         CR4          WP4           LL_PWR_SetWakeUpPinPolarityHigh\n
+  *         CR4          WP5           LL_PWR_SetWakeUpPinPolarityHigh
+  * @param  WakeUpPin This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_WAKEUP_PIN1
+  *         @arg @ref LL_PWR_WAKEUP_PIN2
+  *         @arg @ref LL_PWR_WAKEUP_PIN3
+  *         @arg @ref LL_PWR_WAKEUP_PIN4
+  *         @arg @ref LL_PWR_WAKEUP_PIN5
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_SetWakeUpPinPolarityHigh(uint32_t WakeUpPin)
+{
+  CLEAR_BIT(PWR->CR4, WakeUpPin);
+}
+
+/**
+  * @brief  Get the Wake-Up pin polarity for the event detection
+  * @rmtoll CR4          WP1           LL_PWR_IsWakeUpPinPolarityLow\n
+  *         CR4          WP2           LL_PWR_IsWakeUpPinPolarityLow\n
+  *         CR4          WP3           LL_PWR_IsWakeUpPinPolarityLow\n
+  *         CR4          WP4           LL_PWR_IsWakeUpPinPolarityLow\n
+  *         CR4          WP5           LL_PWR_IsWakeUpPinPolarityLow
+  * @param  WakeUpPin This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_WAKEUP_PIN1
+  *         @arg @ref LL_PWR_WAKEUP_PIN2
+  *         @arg @ref LL_PWR_WAKEUP_PIN3
+  *         @arg @ref LL_PWR_WAKEUP_PIN4
+  *         @arg @ref LL_PWR_WAKEUP_PIN5
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsWakeUpPinPolarityLow(uint32_t WakeUpPin)
+{
+  return (READ_BIT(PWR->CR4, WakeUpPin) == (WakeUpPin));
+}
+
+/**
+  * @brief  Enable GPIO pull-up state in Standby and Shutdown modes
+  * @rmtoll PUCRA        PU0-15        LL_PWR_EnableGPIOPullUp\n
+  *         PUCRB        PU0-15        LL_PWR_EnableGPIOPullUp\n
+  *         PUCRC        PU0-15        LL_PWR_EnableGPIOPullUp\n
+  *         PUCRD        PU0-15        LL_PWR_EnableGPIOPullUp\n
+  *         PUCRE        PU0-15        LL_PWR_EnableGPIOPullUp\n
+  *         PUCRF        PU0-15        LL_PWR_EnableGPIOPullUp\n
+  *         PUCRG        PU0-15        LL_PWR_EnableGPIOPullUp\n
+  *         PUCRH        PU0-1         LL_PWR_EnableGPIOPullUp
+  * @param  GPIO This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_A
+  *         @arg @ref LL_PWR_GPIO_B
+  *         @arg @ref LL_PWR_GPIO_C
+  *         @arg @ref LL_PWR_GPIO_D
+  *         @arg @ref LL_PWR_GPIO_E
+  *         @arg @ref LL_PWR_GPIO_F
+  *         @arg @ref LL_PWR_GPIO_G
+  *         @arg @ref LL_PWR_GPIO_H
+  * @param  GPIONumber This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_BIT_0
+  *         @arg @ref LL_PWR_GPIO_BIT_1
+  *         @arg @ref LL_PWR_GPIO_BIT_2
+  *         @arg @ref LL_PWR_GPIO_BIT_3
+  *         @arg @ref LL_PWR_GPIO_BIT_4
+  *         @arg @ref LL_PWR_GPIO_BIT_5
+  *         @arg @ref LL_PWR_GPIO_BIT_6
+  *         @arg @ref LL_PWR_GPIO_BIT_7
+  *         @arg @ref LL_PWR_GPIO_BIT_8
+  *         @arg @ref LL_PWR_GPIO_BIT_9
+  *         @arg @ref LL_PWR_GPIO_BIT_10
+  *         @arg @ref LL_PWR_GPIO_BIT_11
+  *         @arg @ref LL_PWR_GPIO_BIT_12
+  *         @arg @ref LL_PWR_GPIO_BIT_13
+  *         @arg @ref LL_PWR_GPIO_BIT_14
+  *         @arg @ref LL_PWR_GPIO_BIT_15
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableGPIOPullUp(uint32_t GPIO, uint32_t GPIONumber)
+{
+  SET_BIT(*((uint32_t*)GPIO), GPIONumber); 
+}
+
+/**
+  * @brief  Disable GPIO pull-up state in Standby and Shutdown modes
+  * @rmtoll PUCRA        PU0-15        LL_PWR_DisableGPIOPullUp\n
+  *         PUCRB        PU0-15        LL_PWR_DisableGPIOPullUp\n
+  *         PUCRC        PU0-15        LL_PWR_DisableGPIOPullUp\n
+  *         PUCRD        PU0-15        LL_PWR_DisableGPIOPullUp\n
+  *         PUCRE        PU0-15        LL_PWR_DisableGPIOPullUp\n
+  *         PUCRF        PU0-15        LL_PWR_DisableGPIOPullUp\n
+  *         PUCRG        PU0-15        LL_PWR_DisableGPIOPullUp\n
+  *         PUCRH        PU0-1         LL_PWR_DisableGPIOPullUp
+  * @param  GPIO This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_A
+  *         @arg @ref LL_PWR_GPIO_B
+  *         @arg @ref LL_PWR_GPIO_C
+  *         @arg @ref LL_PWR_GPIO_D
+  *         @arg @ref LL_PWR_GPIO_E
+  *         @arg @ref LL_PWR_GPIO_F
+  *         @arg @ref LL_PWR_GPIO_G
+  *         @arg @ref LL_PWR_GPIO_H
+  * @param  GPIONumber This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_BIT_0
+  *         @arg @ref LL_PWR_GPIO_BIT_1
+  *         @arg @ref LL_PWR_GPIO_BIT_2
+  *         @arg @ref LL_PWR_GPIO_BIT_3
+  *         @arg @ref LL_PWR_GPIO_BIT_4
+  *         @arg @ref LL_PWR_GPIO_BIT_5
+  *         @arg @ref LL_PWR_GPIO_BIT_6
+  *         @arg @ref LL_PWR_GPIO_BIT_7
+  *         @arg @ref LL_PWR_GPIO_BIT_8
+  *         @arg @ref LL_PWR_GPIO_BIT_9
+  *         @arg @ref LL_PWR_GPIO_BIT_10
+  *         @arg @ref LL_PWR_GPIO_BIT_11
+  *         @arg @ref LL_PWR_GPIO_BIT_12
+  *         @arg @ref LL_PWR_GPIO_BIT_13
+  *         @arg @ref LL_PWR_GPIO_BIT_14
+  *         @arg @ref LL_PWR_GPIO_BIT_15
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableGPIOPullUp(uint32_t GPIO, uint32_t GPIONumber)
+{
+  CLEAR_BIT(*((uint32_t*)GPIO), GPIONumber);
+}
+
+/**
+  * @brief  Check if GPIO pull-up state is enabled
+  * @rmtoll PUCRA        PU0-15        LL_PWR_IsEnabledGPIOPullUp\n
+  *         PUCRB        PU0-15        LL_PWR_IsEnabledGPIOPullUp\n
+  *         PUCRC        PU0-15        LL_PWR_IsEnabledGPIOPullUp\n
+  *         PUCRD        PU0-15        LL_PWR_IsEnabledGPIOPullUp\n
+  *         PUCRE        PU0-15        LL_PWR_IsEnabledGPIOPullUp\n
+  *         PUCRF        PU0-15        LL_PWR_IsEnabledGPIOPullUp\n
+  *         PUCRG        PU0-15        LL_PWR_IsEnabledGPIOPullUp\n
+  *         PUCRH        PU0-1         LL_PWR_IsEnabledGPIOPullUp
+  * @param  GPIO This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_A
+  *         @arg @ref LL_PWR_GPIO_B
+  *         @arg @ref LL_PWR_GPIO_C
+  *         @arg @ref LL_PWR_GPIO_D
+  *         @arg @ref LL_PWR_GPIO_E
+  *         @arg @ref LL_PWR_GPIO_F
+  *         @arg @ref LL_PWR_GPIO_G
+  *         @arg @ref LL_PWR_GPIO_H
+  * @param  GPIONumber This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_BIT_0
+  *         @arg @ref LL_PWR_GPIO_BIT_1
+  *         @arg @ref LL_PWR_GPIO_BIT_2
+  *         @arg @ref LL_PWR_GPIO_BIT_3
+  *         @arg @ref LL_PWR_GPIO_BIT_4
+  *         @arg @ref LL_PWR_GPIO_BIT_5
+  *         @arg @ref LL_PWR_GPIO_BIT_6
+  *         @arg @ref LL_PWR_GPIO_BIT_7
+  *         @arg @ref LL_PWR_GPIO_BIT_8
+  *         @arg @ref LL_PWR_GPIO_BIT_9
+  *         @arg @ref LL_PWR_GPIO_BIT_10
+  *         @arg @ref LL_PWR_GPIO_BIT_11
+  *         @arg @ref LL_PWR_GPIO_BIT_12
+  *         @arg @ref LL_PWR_GPIO_BIT_13
+  *         @arg @ref LL_PWR_GPIO_BIT_14
+  *         @arg @ref LL_PWR_GPIO_BIT_15
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledGPIOPullUp(uint32_t GPIO, uint32_t GPIONumber)
+{
+  return(READ_BIT(*((uint32_t*)(GPIO)), GPIONumber) == (GPIONumber)); 
+}
+
+/**
+  * @brief  Enable GPIO pull-down state in Standby and Shutdown modes
+  * @rmtoll PDCRA        PD0-15        LL_PWR_EnableGPIOPullDown\n
+  *         PDCRB        PD0-15        LL_PWR_EnableGPIOPullDown\n
+  *         PDCRC        PD0-15        LL_PWR_EnableGPIOPullDown\n
+  *         PDCRD        PD0-15        LL_PWR_EnableGPIOPullDown\n
+  *         PDCRE        PD0-15        LL_PWR_EnableGPIOPullDown\n
+  *         PDCRF        PD0-15        LL_PWR_EnableGPIOPullDown\n
+  *         PDCRG        PD0-15        LL_PWR_EnableGPIOPullDown\n
+  *         PDCRH        PD0-1         LL_PWR_EnableGPIOPullDown
+  * @param  GPIO This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_A
+  *         @arg @ref LL_PWR_GPIO_B
+  *         @arg @ref LL_PWR_GPIO_C
+  *         @arg @ref LL_PWR_GPIO_D
+  *         @arg @ref LL_PWR_GPIO_E
+  *         @arg @ref LL_PWR_GPIO_F
+  *         @arg @ref LL_PWR_GPIO_G
+  *         @arg @ref LL_PWR_GPIO_H
+  * @param  GPIONumber This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_BIT_0
+  *         @arg @ref LL_PWR_GPIO_BIT_1
+  *         @arg @ref LL_PWR_GPIO_BIT_2
+  *         @arg @ref LL_PWR_GPIO_BIT_3
+  *         @arg @ref LL_PWR_GPIO_BIT_4
+  *         @arg @ref LL_PWR_GPIO_BIT_5
+  *         @arg @ref LL_PWR_GPIO_BIT_6
+  *         @arg @ref LL_PWR_GPIO_BIT_7
+  *         @arg @ref LL_PWR_GPIO_BIT_8
+  *         @arg @ref LL_PWR_GPIO_BIT_9
+  *         @arg @ref LL_PWR_GPIO_BIT_10
+  *         @arg @ref LL_PWR_GPIO_BIT_11
+  *         @arg @ref LL_PWR_GPIO_BIT_12
+  *         @arg @ref LL_PWR_GPIO_BIT_13
+  *         @arg @ref LL_PWR_GPIO_BIT_14
+  *         @arg @ref LL_PWR_GPIO_BIT_15
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_EnableGPIOPullDown(uint32_t GPIO, uint32_t GPIONumber)
+{
+  register uint32_t temp = (uint32_t)(GPIO) + 4;
+  SET_BIT(*((uint32_t*)(temp)), GPIONumber); 
+}
+
+/**
+  * @brief  Disable GPIO pull-down state in Standby and Shutdown modes
+  * @rmtoll PDCRA        PD0-15        LL_PWR_DisableGPIOPullDown\n
+  *         PDCRB        PD0-15        LL_PWR_DisableGPIOPullDown\n
+  *         PDCRC        PD0-15        LL_PWR_DisableGPIOPullDown\n
+  *         PDCRD        PD0-15        LL_PWR_DisableGPIOPullDown\n
+  *         PDCRE        PD0-15        LL_PWR_DisableGPIOPullDown\n
+  *         PDCRF        PD0-15        LL_PWR_DisableGPIOPullDown\n
+  *         PDCRG        PD0-15        LL_PWR_DisableGPIOPullDown\n
+  *         PDCRH        PD0-1         LL_PWR_DisableGPIOPullDown
+  * @param  GPIO This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_A
+  *         @arg @ref LL_PWR_GPIO_B
+  *         @arg @ref LL_PWR_GPIO_C
+  *         @arg @ref LL_PWR_GPIO_D
+  *         @arg @ref LL_PWR_GPIO_E
+  *         @arg @ref LL_PWR_GPIO_F
+  *         @arg @ref LL_PWR_GPIO_G
+  *         @arg @ref LL_PWR_GPIO_H
+  * @param  GPIONumber This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_BIT_0
+  *         @arg @ref LL_PWR_GPIO_BIT_1
+  *         @arg @ref LL_PWR_GPIO_BIT_2
+  *         @arg @ref LL_PWR_GPIO_BIT_3
+  *         @arg @ref LL_PWR_GPIO_BIT_4
+  *         @arg @ref LL_PWR_GPIO_BIT_5
+  *         @arg @ref LL_PWR_GPIO_BIT_6
+  *         @arg @ref LL_PWR_GPIO_BIT_7
+  *         @arg @ref LL_PWR_GPIO_BIT_8
+  *         @arg @ref LL_PWR_GPIO_BIT_9
+  *         @arg @ref LL_PWR_GPIO_BIT_10
+  *         @arg @ref LL_PWR_GPIO_BIT_11
+  *         @arg @ref LL_PWR_GPIO_BIT_12
+  *         @arg @ref LL_PWR_GPIO_BIT_13
+  *         @arg @ref LL_PWR_GPIO_BIT_14
+  *         @arg @ref LL_PWR_GPIO_BIT_15
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_DisableGPIOPullDown(uint32_t GPIO, uint32_t GPIONumber)
+{
+  register uint32_t temp = (uint32_t)(GPIO) + 4;
+  CLEAR_BIT(*((uint32_t*)(temp)), GPIONumber); 
+}
+
+/**
+  * @brief  Check if GPIO pull-down state is enabled
+  * @rmtoll PDCRA        PD0-15        LL_PWR_IsEnabledGPIOPullDown\n
+  *         PDCRB        PD0-15        LL_PWR_IsEnabledGPIOPullDown\n
+  *         PDCRC        PD0-15        LL_PWR_IsEnabledGPIOPullDown\n
+  *         PDCRD        PD0-15        LL_PWR_IsEnabledGPIOPullDown\n
+  *         PDCRE        PD0-15        LL_PWR_IsEnabledGPIOPullDown\n
+  *         PDCRF        PD0-15        LL_PWR_IsEnabledGPIOPullDown\n
+  *         PDCRG        PD0-15        LL_PWR_IsEnabledGPIOPullDown\n
+  *         PDCRH        PD0-1         LL_PWR_IsEnabledGPIOPullDown
+  * @param  GPIO This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_A
+  *         @arg @ref LL_PWR_GPIO_B
+  *         @arg @ref LL_PWR_GPIO_C
+  *         @arg @ref LL_PWR_GPIO_D
+  *         @arg @ref LL_PWR_GPIO_E
+  *         @arg @ref LL_PWR_GPIO_F
+  *         @arg @ref LL_PWR_GPIO_G
+  *         @arg @ref LL_PWR_GPIO_H
+  * @param  GPIONumber This parameter can be one of the following values:
+  *         @arg @ref LL_PWR_GPIO_BIT_0
+  *         @arg @ref LL_PWR_GPIO_BIT_1
+  *         @arg @ref LL_PWR_GPIO_BIT_2
+  *         @arg @ref LL_PWR_GPIO_BIT_3
+  *         @arg @ref LL_PWR_GPIO_BIT_4
+  *         @arg @ref LL_PWR_GPIO_BIT_5
+  *         @arg @ref LL_PWR_GPIO_BIT_6
+  *         @arg @ref LL_PWR_GPIO_BIT_7
+  *         @arg @ref LL_PWR_GPIO_BIT_8
+  *         @arg @ref LL_PWR_GPIO_BIT_9
+  *         @arg @ref LL_PWR_GPIO_BIT_10
+  *         @arg @ref LL_PWR_GPIO_BIT_11
+  *         @arg @ref LL_PWR_GPIO_BIT_12
+  *         @arg @ref LL_PWR_GPIO_BIT_13
+  *         @arg @ref LL_PWR_GPIO_BIT_14
+  *         @arg @ref LL_PWR_GPIO_BIT_15
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsEnabledGPIOPullDown(uint32_t GPIO, uint32_t GPIONumber)
+{
+  register uint32_t temp = (uint32_t)(GPIO) + 4;
+  return(READ_BIT(*((uint32_t*)(temp)), GPIONumber) == (GPIONumber)); 
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup PWR_LL_EF_FLAG_Management FLAG_Management
+  * @{
+  */
+
+/**
+  * @brief  Get Internal Wake-up line Flag
+  * @rmtoll SR1          WUFI          LL_PWR_IsActiveFlag_InternWU
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_InternWU(void)
+{
+  return (READ_BIT(PWR->SR1, PWR_SR1_WUFI) == (PWR_SR1_WUFI));
+}
+
+/**
+  * @brief  Get Stand-By Flag         
+  * @rmtoll SR1          SBF           LL_PWR_IsActiveFlag_SB
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_SB(void)
+{
+  return (READ_BIT(PWR->SR1, PWR_SR1_SBF) == (PWR_SR1_SBF));
+}
+
+/**
+  * @brief  Get Wake-up Flag 5        
+  * @rmtoll SR1          WUF5          LL_PWR_IsActiveFlag_WU5
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_WU5(void)
+{
+  return (READ_BIT(PWR->SR1, PWR_SR1_WUF5) == (PWR_SR1_WUF5));
+}
+
+/**
+  * @brief  Get Wake-up Flag 4        
+  * @rmtoll SR1          WUF4          LL_PWR_IsActiveFlag_WU4
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_WU4(void)
+{
+  return (READ_BIT(PWR->SR1, PWR_SR1_WUF4) == (PWR_SR1_WUF4));
+}
+
+/**
+  * @brief  Get Wake-up Flag 3        
+  * @rmtoll SR1          WUF3          LL_PWR_IsActiveFlag_WU3
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_WU3(void)
+{
+  return (READ_BIT(PWR->SR1, PWR_SR1_WUF3) == (PWR_SR1_WUF3));
+}
+
+/**
+  * @brief  Get Wake-up Flag 2        
+  * @rmtoll SR1          WUF2          LL_PWR_IsActiveFlag_WU2
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_WU2(void)
+{
+  return (READ_BIT(PWR->SR1, PWR_SR1_WUF2) == (PWR_SR1_WUF2));
+}
+
+/**
+  * @brief  Get Wake-up Flag 1        
+  * @rmtoll SR1          WUF1          LL_PWR_IsActiveFlag_WU1
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_WU1(void)
+{
+  return (READ_BIT(PWR->SR1, PWR_SR1_WUF1) == (PWR_SR1_WUF1));
+}
+
+/**
+  * @brief  Clear Stand-By Flag        
+  * @rmtoll SCR          CSBF          LL_PWR_ClearFlag_SB
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_ClearFlag_SB(void)
+{
+  WRITE_REG(PWR->SCR, PWR_SCR_CSBF);
+}
+
+/**
+  * @brief  Clear Wake-up Flags        
+  * @rmtoll SCR          CWUF          LL_PWR_ClearFlag_WU
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_ClearFlag_WU(void)
+{
+  WRITE_REG(PWR->SCR, PWR_SCR_CWUF);
+}
+
+/**
+  * @brief  Clear Wake-up Flag 5       
+  * @rmtoll SCR          CWUF5         LL_PWR_ClearFlag_WU5
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_ClearFlag_WU5(void)
+{
+  WRITE_REG(PWR->SCR, PWR_SCR_CWUF5);
+}
+
+/**
+  * @brief  Clear Wake-up Flag 4       
+  * @rmtoll SCR          CWUF4         LL_PWR_ClearFlag_WU4
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_ClearFlag_WU4(void)
+{
+  WRITE_REG(PWR->SCR, PWR_SCR_CWUF4);
+}
+
+/**
+  * @brief  Clear Wake-up Flag 3       
+  * @rmtoll SCR          CWUF3         LL_PWR_ClearFlag_WU3
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_ClearFlag_WU3(void)
+{
+  WRITE_REG(PWR->SCR, PWR_SCR_CWUF3);
+}
+
+/**
+  * @brief  Clear Wake-up Flag 2       
+  * @rmtoll SCR          CWUF2         LL_PWR_ClearFlag_WU2
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_ClearFlag_WU2(void)
+{
+  WRITE_REG(PWR->SCR, PWR_SCR_CWUF2);
+}
+
+/**
+  * @brief  Clear Wake-up Flag 1       
+  * @rmtoll SCR          CWUF1         LL_PWR_ClearFlag_WU1
+  * @retval None
+  */
+__STATIC_INLINE void LL_PWR_ClearFlag_WU1(void)
+{
+  WRITE_REG(PWR->SCR, PWR_SCR_CWUF1);
+}
+
+/**
+  * @brief  Indicate whether VDDA voltage is below or above PVM4 threshold
+  * @rmtoll SR2          PVMO4         LL_PWR_IsActiveFlag_PVMO4 
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_PVMO4 (void)
+{
+  return (READ_BIT(PWR->SR2, PWR_SR2_PVMO4) == (PWR_SR2_PVMO4));
+}
+
+/**
+  * @brief  Indicate whether VDDA voltage is below or above PVM3 threshold
+  * @rmtoll SR2          PVMO3         LL_PWR_IsActiveFlag_PVMO3 
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_PVMO3 (void)
+{
+  return (READ_BIT(PWR->SR2, PWR_SR2_PVMO3) == (PWR_SR2_PVMO3));
+}
+
+/**
+  * @brief  Indicate whether VDDIO2 voltage is below or above PVM2 threshold
+  * @rmtoll SR2          PVMO2         LL_PWR_IsActiveFlag_PVMO2 
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_PVMO2 (void)
+{
+  return (READ_BIT(PWR->SR2, PWR_SR2_PVMO2 ) == (PWR_SR2_PVMO2 ));
+}
+
+#if defined(USB_OTG_FS)
+/**
+  * @brief  Indicate whether VDDUSB voltage is below or above PVM1 threshold
+  * @rmtoll SR2          PVMO1         LL_PWR_IsActiveFlag_PVMO1 
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_PVMO1 (void)
+{
+  return (READ_BIT(PWR->SR2, PWR_SR2_PVMO1) == (PWR_SR2_PVMO1));
+}
+#endif /* USB_OTG_FS */
+
+/**
+  * @brief  Indicate whether VDD voltage is below or above the selected PVD threshold
+  * @rmtoll SR2          PVDO          LL_PWR_IsActiveFlag_PVDO  
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_PVDO  (void)
+{
+  return (READ_BIT(PWR->SR2, PWR_SR2_PVDO) == (PWR_SR2_PVDO));
+}
+
+/**
+  * @brief  Indicate whether the regulator is ready in the selected voltage range or if its output voltage is still changing to the required voltage level
+  * @rmtoll SR2          VOSF          LL_PWR_IsActiveFlag_VOSF  
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_VOSF  (void)
+{
+  return (READ_BIT(PWR->SR2, PWR_SR2_VOSF  ) == (PWR_SR2_VOSF  ));
+}
+
+/**
+  * @brief  Indicate whether the regulator is ready in main mode or is in low-power mode
+  * @note: Take care, return value "0" means the regulator is ready.  Return value "1" means the output voltage range is still changing.
+  * @rmtoll SR2          REGLPF        LL_PWR_IsActiveFlag_REGLPF
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_REGLPF(void)
+{
+  return (READ_BIT(PWR->SR2, PWR_SR2_REGLPF) == (PWR_SR2_REGLPF));
+}
+
+/**
+  * @brief  Indicate whether or not the low-power regulator is ready
+  * @rmtoll SR2          REGLPS        LL_PWR_IsActiveFlag_REGLPS
+  * @retval State of bit (1 or 0).
+  */
+__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_REGLPS(void)
+{
+  return (READ_BIT(PWR->SR2, PWR_SR2_REGLPS) == (PWR_SR2_REGLPS));
+}
+
+/**
+  * @}
+  */
+
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* defined(PWR) */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32L4xx_LL_PWR_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+