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/**

  ******************************************************************************

  * @file    stm32f1xx_ll_pwr.h

  * @author  MCD Application Team

  * @brief   Header file of PWR LL module.

  ******************************************************************************

  * @attention

  *

  * <h2><center>&copy; COPYRIGHT(c) 2016 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 __STM32F1xx_LL_PWR_H

#define __STM32F1xx_LL_PWR_H

#ifdef __cplusplus

extern "C" {

#endif

/* Includes ------------------------------------------------------------------*/

#include "stm32f1xx.h"

/** @addtogroup STM32F1xx_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_CR_CSBF                     PWR_CR_CSBF            /*!< Clear standby flag */

#define LL_PWR_CR_CWUF                     PWR_CR_CWUF            /*!< Clear wakeup flag */

/**

  * @}

  */

/** @defgroup PWR_LL_EC_GET_FLAG Get Flags Defines

  * @brief    Flags defines which can be used with LL_PWR_ReadReg function

  * @{

  */

#define LL_PWR_CSR_WUF                     PWR_CSR_WUF            /*!< Wakeup flag */

#define LL_PWR_CSR_SBF                     PWR_CSR_SBF            /*!< Standby flag */

#define LL_PWR_CSR_PVDO                    PWR_CSR_PVDO           /*!< Power voltage detector output flag */

#define LL_PWR_CSR_EWUP1                   PWR_CSR_EWUP           /*!< Enable WKUP pin 1 */

/**

  * @}

  */

/** @defgroup PWR_LL_EC_MODE_PWR Mode Power

  * @{

  */

#define LL_PWR_MODE_STOP_MAINREGU             0x00000000U                    /*!< Enter Stop mode when the CPU enters deepsleep */

#define LL_PWR_MODE_STOP_LPREGU               (PWR_CR_LPDS)                  /*!< Enter Stop mode (with low power Regulator ON) when the CPU enters deepsleep */

#define LL_PWR_MODE_STANDBY                   (PWR_CR_PDDS)                  /*!< Enter Standby mode when the CPU enters deepsleep */

/**

  * @}

  */

/** @defgroup PWR_LL_EC_REGU_MODE_DS_MODE  Regulator Mode In Deep Sleep Mode

 * @{

 */

#define LL_PWR_REGU_DSMODE_MAIN        0x00000000U           /*!< Voltage Regulator in main mode during deepsleep mode */

#define LL_PWR_REGU_DSMODE_LOW_POWER   (PWR_CR_LPDS)         /*!< Voltage Regulator in low-power mode during deepsleep mode */

/**

  * @}

  */

/** @defgroup PWR_LL_EC_PVDLEVEL Power Voltage Detector Level

  * @{

  */

#define LL_PWR_PVDLEVEL_0                  (PWR_CR_PLS_LEV0)      /*!< Voltage threshold detected by PVD 2.2 V */

#define LL_PWR_PVDLEVEL_1                  (PWR_CR_PLS_LEV1)      /*!< Voltage threshold detected by PVD 2.3 V */

#define LL_PWR_PVDLEVEL_2                  (PWR_CR_PLS_LEV2)      /*!< Voltage threshold detected by PVD 2.4 V */

#define LL_PWR_PVDLEVEL_3                  (PWR_CR_PLS_LEV3)      /*!< Voltage threshold detected by PVD 2.5 V */

#define LL_PWR_PVDLEVEL_4                  (PWR_CR_PLS_LEV4)      /*!< Voltage threshold detected by PVD 2.6 V */

#define LL_PWR_PVDLEVEL_5                  (PWR_CR_PLS_LEV5)      /*!< Voltage threshold detected by PVD 2.7 V */

#define LL_PWR_PVDLEVEL_6                  (PWR_CR_PLS_LEV6)      /*!< Voltage threshold detected by PVD 2.8 V */

#define LL_PWR_PVDLEVEL_7                  (PWR_CR_PLS_LEV7)      /*!< Voltage threshold detected by PVD 2.9 V */

/**

  * @}

  */

/** @defgroup PWR_LL_EC_WAKEUP_PIN  Wakeup Pins

  * @{

  */

#define LL_PWR_WAKEUP_PIN1                 (PWR_CSR_EWUP)         /*!< WKUP pin 1 : PA0 */

/**

  * @}

  */

/**

  * @}

  */

/* 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  Enable access to the backup domain

  * @rmtoll CR    DBP       LL_PWR_EnableBkUpAccess

  * @retval None

  */

__STATIC_INLINE void LL_PWR_EnableBkUpAccess(void)

{

  SET_BIT(PWR->CR, PWR_CR_DBP);

}

/**

  * @brief  Disable access to the backup domain

  * @rmtoll CR    DBP       LL_PWR_DisableBkUpAccess

  * @retval None

  */

__STATIC_INLINE void LL_PWR_DisableBkUpAccess(void)

{

  CLEAR_BIT(PWR->CR, PWR_CR_DBP);

}

/**

  * @brief  Check if the backup domain is enabled

  * @rmtoll CR    DBP       LL_PWR_IsEnabledBkUpAccess

  * @retval State of bit (1 or 0).

  */

__STATIC_INLINE uint32_t LL_PWR_IsEnabledBkUpAccess(void)

{

  return (READ_BIT(PWR->CR, PWR_CR_DBP) == (PWR_CR_DBP));

}

/**

  * @brief  Set voltage Regulator mode during deep sleep mode

  * @rmtoll CR    LPDS         LL_PWR_SetRegulModeDS

  * @param  RegulMode This parameter can be one of the following values:

  *         @arg @ref LL_PWR_REGU_DSMODE_MAIN

  *         @arg @ref LL_PWR_REGU_DSMODE_LOW_POWER

  * @retval None

  */

__STATIC_INLINE void LL_PWR_SetRegulModeDS(uint32_t RegulMode)

{

  MODIFY_REG(PWR->CR, PWR_CR_LPDS, RegulMode);

}

/**

  * @brief  Get voltage Regulator mode during deep sleep mode

  * @rmtoll CR    LPDS         LL_PWR_GetRegulModeDS

  * @retval Returned value can be one of the following values:

  *         @arg @ref LL_PWR_REGU_DSMODE_MAIN

  *         @arg @ref LL_PWR_REGU_DSMODE_LOW_POWER

  */

__STATIC_INLINE uint32_t LL_PWR_GetRegulModeDS(void)

{

  return (uint32_t)(READ_BIT(PWR->CR, PWR_CR_LPDS));

}

/**

  * @brief  Set Power Down mode when CPU enters deepsleep

  * @rmtoll CR    PDDS         LL_PWR_SetPowerMode\n

  * @rmtoll CR    LPDS         LL_PWR_SetPowerMode

  * @param  PDMode This parameter can be one of the following values:

  *         @arg @ref LL_PWR_MODE_STOP_MAINREGU

  *         @arg @ref LL_PWR_MODE_STOP_LPREGU

  *         @arg @ref LL_PWR_MODE_STANDBY

  * @retval None

  */

__STATIC_INLINE void LL_PWR_SetPowerMode(uint32_t PDMode)

{

  MODIFY_REG(PWR->CR, (PWR_CR_PDDS| PWR_CR_LPDS), PDMode);

}

/**

  * @brief  Get Power Down mode when CPU enters deepsleep

  * @rmtoll CR    PDDS         LL_PWR_GetPowerMode\n

  * @rmtoll CR    LPDS         LL_PWR_GetPowerMode

  * @retval Returned value can be one of the following values:

  *         @arg @ref LL_PWR_MODE_STOP_MAINREGU

  *         @arg @ref LL_PWR_MODE_STOP_LPREGU

  *         @arg @ref LL_PWR_MODE_STANDBY

  */

__STATIC_INLINE uint32_t LL_PWR_GetPowerMode(void)

{

  return (uint32_t)(READ_BIT(PWR->CR, (PWR_CR_PDDS| PWR_CR_LPDS)));

}

/**

  * @brief  Configure the voltage threshold detected by the Power Voltage Detector

  * @rmtoll CR    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->CR, PWR_CR_PLS, PVDLevel);

}

/**

  * @brief  Get the voltage threshold detection

  * @rmtoll CR    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->CR, PWR_CR_PLS));

}

/**

  * @brief  Enable Power Voltage Detector

  * @rmtoll CR    PVDE       LL_PWR_EnablePVD

  * @retval None

  */

__STATIC_INLINE void LL_PWR_EnablePVD(void)

{

  SET_BIT(PWR->CR, PWR_CR_PVDE);

}

/**

  * @brief  Disable Power Voltage Detector

  * @rmtoll CR    PVDE       LL_PWR_DisablePVD

  * @retval None

  */

__STATIC_INLINE void LL_PWR_DisablePVD(void)

{

  CLEAR_BIT(PWR->CR, PWR_CR_PVDE);

}

/**

  * @brief  Check if Power Voltage Detector is enabled

  * @rmtoll CR    PVDE       LL_PWR_IsEnabledPVD

  * @retval State of bit (1 or 0).

  */

__STATIC_INLINE uint32_t LL_PWR_IsEnabledPVD(void)

{

  return (READ_BIT(PWR->CR, PWR_CR_PVDE) == (PWR_CR_PVDE));

}

/**

  * @brief  Enable the WakeUp PINx functionality

  * @rmtoll CSR   EWUP       LL_PWR_EnableWakeUpPin

  * @param  WakeUpPin This parameter can be one of the following values:

  *         @arg @ref LL_PWR_WAKEUP_PIN1

  * @retval None

  */

__STATIC_INLINE void LL_PWR_EnableWakeUpPin(uint32_t WakeUpPin)

{

  SET_BIT(PWR->CSR, WakeUpPin);

}

/**

  * @brief  Disable the WakeUp PINx functionality

  * @rmtoll CSR   EWUP       LL_PWR_DisableWakeUpPin

  * @param  WakeUpPin This parameter can be one of the following values:

  *         @arg @ref LL_PWR_WAKEUP_PIN1

  * @retval None

  */

__STATIC_INLINE void LL_PWR_DisableWakeUpPin(uint32_t WakeUpPin)

{

  CLEAR_BIT(PWR->CSR, WakeUpPin);

}

/**

  * @brief  Check if the WakeUp PINx functionality is enabled

  * @rmtoll CSR   EWUP       LL_PWR_IsEnabledWakeUpPin

  * @param  WakeUpPin This parameter can be one of the following values:

  *         @arg @ref LL_PWR_WAKEUP_PIN1

  * @retval State of bit (1 or 0).

  */

__STATIC_INLINE uint32_t LL_PWR_IsEnabledWakeUpPin(uint32_t WakeUpPin)

{

  return (READ_BIT(PWR->CSR, WakeUpPin) == (WakeUpPin));

}

/**

  * @}

  */

/** @defgroup PWR_LL_EF_FLAG_Management FLAG_Management

  * @{

  */

/**

  * @brief  Get Wake-up Flag

  * @rmtoll CSR   WUF       LL_PWR_IsActiveFlag_WU

  * @retval State of bit (1 or 0).

  */

__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_WU(void)

{

  return (READ_BIT(PWR->CSR, PWR_CSR_WUF) == (PWR_CSR_WUF));

}

/**

  * @brief  Get Standby Flag

  * @rmtoll CSR   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->CSR, PWR_CSR_SBF) == (PWR_CSR_SBF));

}

/**

  * @brief  Indicate whether VDD voltage is below the selected PVD threshold

  * @rmtoll CSR   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->CSR, PWR_CSR_PVDO) == (PWR_CSR_PVDO));

}

/**

  * @brief  Clear Standby Flag

  * @rmtoll CR   CSBF       LL_PWR_ClearFlag_SB

  * @retval None

  */

__STATIC_INLINE void LL_PWR_ClearFlag_SB(void)

{

  SET_BIT(PWR->CR, PWR_CR_CSBF);

}

/**

  * @brief  Clear Wake-up Flags

  * @rmtoll CR   CWUF       LL_PWR_ClearFlag_WU

  * @retval None

  */

__STATIC_INLINE void LL_PWR_ClearFlag_WU(void)

{

  SET_BIT(PWR->CR, PWR_CR_CWUF);

}

/**

  * @}

  */

#if defined(USE_FULL_LL_DRIVER)

/** @defgroup PWR_LL_EF_Init De-initialization function

  * @{

  */

ErrorStatus LL_PWR_DeInit(void);

/**

  * @}

  */

#endif /* USE_FULL_LL_DRIVER */

/**

  * @}

  */

/**

  * @}

  */

#endif /* defined(PWR) */

/**

  * @}

  */

#ifdef __cplusplus

}

#endif

#endif /* __STM32F1xx_LL_PWR_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/