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/**
******************************************************************************
* @file stm32f4xx_ll_pwr.h
* @author MCD Application Team
* @brief Header file of PWR LL module.
******************************************************************************
* @attention
*
* Copyright (c) 2017 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.
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_LL_PWR_H
#define __STM32F4xx_LL_PWR_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup STM32F4xx_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_VOS PWR_CSR_VOSRDY /*!< Voltage scaling select flag */
#if defined(PWR_CSR_EWUP)
#define LL_PWR_CSR_EWUP1 PWR_CSR_EWUP /*!< Enable WKUP pin */
#elif defined(PWR_CSR_EWUP1)
#define LL_PWR_CSR_EWUP1 PWR_CSR_EWUP1 /*!< Enable WKUP pin 1 */
#endif /* PWR_CSR_EWUP */
#if defined(PWR_CSR_EWUP2)
#define LL_PWR_CSR_EWUP2 PWR_CSR_EWUP2 /*!< Enable WKUP pin 2 */
#endif /* PWR_CSR_EWUP2 */
#if defined(PWR_CSR_EWUP3)
#define LL_PWR_CSR_EWUP3 PWR_CSR_EWUP3 /*!< Enable WKUP pin 3 */
#endif /* PWR_CSR_EWUP3 */
/**
* @}
*/
/** @defgroup PWR_LL_EC_REGU_VOLTAGE Regulator Voltage
* @{
*/
#if defined(PWR_CR_VOS_0)
#define LL_PWR_REGU_VOLTAGE_SCALE3 (PWR_CR_VOS_0)
#define LL_PWR_REGU_VOLTAGE_SCALE2 (PWR_CR_VOS_1)
#define LL_PWR_REGU_VOLTAGE_SCALE1 (PWR_CR_VOS_0 | PWR_CR_VOS_1) /* The SCALE1 is not available for STM32F401xx devices */
#else
#define LL_PWR_REGU_VOLTAGE_SCALE1 (PWR_CR_VOS)
#define LL_PWR_REGU_VOLTAGE_SCALE2 0x00000000U
#endif /* PWR_CR_VOS_0 */
/**
* @}
*/
/** @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 */
#if defined(PWR_CR_MRUDS) && defined(PWR_CR_LPUDS) && defined(PWR_CR_FPDS)
#define LL_PWR_MODE_STOP_MAINREGU_UNDERDRIVE (PWR_CR_MRUDS | PWR_CR_FPDS) /*!< Enter Stop mode (with main Regulator in under-drive mode) when the CPU enters deepsleep */
#define LL_PWR_MODE_STOP_LPREGU_UNDERDRIVE (PWR_CR_LPDS | PWR_CR_LPUDS | PWR_CR_FPDS) /*!< Enter Stop mode (with low power Regulator in under-drive mode) when the CPU enters deepsleep */
#endif /* PWR_CR_MRUDS && PWR_CR_LPUDS && PWR_CR_FPDS */
#if defined(PWR_CR_MRLVDS) && defined(PWR_CR_LPLVDS) && defined(PWR_CR_FPDS)
#define LL_PWR_MODE_STOP_MAINREGU_DEEPSLEEP (PWR_CR_MRLVDS | PWR_CR_FPDS) /*!< Enter Stop mode (with main Regulator in Deep Sleep mode) when the CPU enters deepsleep */
#define LL_PWR_MODE_STOP_LPREGU_DEEPSLEEP (PWR_CR_LPDS | PWR_CR_LPLVDS | PWR_CR_FPDS) /*!< Enter Stop mode (with low power Regulator in Deep Sleep mode) when the CPU enters deepsleep */
#endif /* PWR_CR_MRLVDS && PWR_CR_LPLVDS && PWR_CR_FPDS */
#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
* @{
*/
#if defined(PWR_CSR_EWUP)
#define LL_PWR_WAKEUP_PIN1 (PWR_CSR_EWUP) /*!< WKUP pin : PA0 */
#endif /* PWR_CSR_EWUP */
#if defined(PWR_CSR_EWUP1)
#define LL_PWR_WAKEUP_PIN1 (PWR_CSR_EWUP1) /*!< WKUP pin 1 : PA0 */
#endif /* PWR_CSR_EWUP1 */
#if defined(PWR_CSR_EWUP2)
#define LL_PWR_WAKEUP_PIN2 (PWR_CSR_EWUP2) /*!< WKUP pin 2 : PC0 or PC13 according to device */
#endif /* PWR_CSR_EWUP2 */
#if defined(PWR_CSR_EWUP3)
#define LL_PWR_WAKEUP_PIN3 (PWR_CSR_EWUP3) /*!< WKUP pin 3 : PC1 */
#endif /* PWR_CSR_EWUP3 */
/**
* @}
*/
/**
* @}
*/
/* 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
* @{
*/
#if defined(PWR_CR_FISSR)
/**
* @brief Enable FLASH interface STOP while system Run is ON
* @rmtoll CR FISSR LL_PWR_EnableFLASHInterfaceSTOP
* @note This mode is enabled only with STOP low power mode.
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableFLASHInterfaceSTOP(void)
{
SET_BIT(PWR->CR, PWR_CR_FISSR);
}
/**
* @brief Disable FLASH Interface STOP while system Run is ON
* @rmtoll CR FISSR LL_PWR_DisableFLASHInterfaceSTOP
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableFLASHInterfaceSTOP(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_FISSR);
}
/**
* @brief Check if FLASH Interface STOP while system Run feature is enabled
* @rmtoll CR FISSR LL_PWR_IsEnabledFLASHInterfaceSTOP
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledFLASHInterfaceSTOP(void)
{
return (READ_BIT(PWR->CR, PWR_CR_FISSR) == (PWR_CR_FISSR));
}
#endif /* PWR_CR_FISSR */
#if defined(PWR_CR_FMSSR)
/**
* @brief Enable FLASH Memory STOP while system Run is ON
* @rmtoll CR FMSSR LL_PWR_EnableFLASHMemorySTOP
* @note This mode is enabled only with STOP low power mode.
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableFLASHMemorySTOP(void)
{
SET_BIT(PWR->CR, PWR_CR_FMSSR);
}
/**
* @brief Disable FLASH Memory STOP while system Run is ON
* @rmtoll CR FMSSR LL_PWR_DisableFLASHMemorySTOP
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableFLASHMemorySTOP(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_FMSSR);
}
/**
* @brief Check if FLASH Memory STOP while system Run feature is enabled
* @rmtoll CR FMSSR LL_PWR_IsEnabledFLASHMemorySTOP
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledFLASHMemorySTOP(void)
{
return (READ_BIT(PWR->CR, PWR_CR_FMSSR) == (PWR_CR_FMSSR));
}
#endif /* PWR_CR_FMSSR */
#if defined(PWR_CR_UDEN)
/**
* @brief Enable Under Drive Mode
* @rmtoll CR UDEN LL_PWR_EnableUnderDriveMode
* @note This mode is enabled only with STOP low power mode.
* In this mode, the 1.2V domain is preserved in reduced leakage mode. This
* mode is only available when the main Regulator or the low power Regulator
* is in low voltage mode.
* @note If the Under-drive mode was enabled, it is automatically disabled after
* exiting Stop mode.
* When the voltage Regulator operates in Under-drive mode, an additional
* startup delay is induced when waking up from Stop mode.
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableUnderDriveMode(void)
{
SET_BIT(PWR->CR, PWR_CR_UDEN);
}
/**
* @brief Disable Under Drive Mode
* @rmtoll CR UDEN LL_PWR_DisableUnderDriveMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableUnderDriveMode(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_UDEN);
}
/**
* @brief Check if Under Drive Mode is enabled
* @rmtoll CR UDEN LL_PWR_IsEnabledUnderDriveMode
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledUnderDriveMode(void)
{
return (READ_BIT(PWR->CR, PWR_CR_UDEN) == (PWR_CR_UDEN));
}
#endif /* PWR_CR_UDEN */
#if defined(PWR_CR_ODSWEN)
/**
* @brief Enable Over drive switching
* @rmtoll CR ODSWEN LL_PWR_EnableOverDriveSwitching
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableOverDriveSwitching(void)
{
SET_BIT(PWR->CR, PWR_CR_ODSWEN);
}
/**
* @brief Disable Over drive switching
* @rmtoll CR ODSWEN LL_PWR_DisableOverDriveSwitching
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableOverDriveSwitching(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_ODSWEN);
}
/**
* @brief Check if Over drive switching is enabled
* @rmtoll CR ODSWEN LL_PWR_IsEnabledOverDriveSwitching
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledOverDriveSwitching(void)
{
return (READ_BIT(PWR->CR, PWR_CR_ODSWEN) == (PWR_CR_ODSWEN));
}
#endif /* PWR_CR_ODSWEN */
#if defined(PWR_CR_ODEN)
/**
* @brief Enable Over drive Mode
* @rmtoll CR ODEN LL_PWR_EnableOverDriveMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableOverDriveMode(void)
{
SET_BIT(PWR->CR, PWR_CR_ODEN);
}
/**
* @brief Disable Over drive Mode
* @rmtoll CR ODEN LL_PWR_DisableOverDriveMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableOverDriveMode(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_ODEN);
}
/**
* @brief Check if Over drive switching is enabled
* @rmtoll CR ODEN LL_PWR_IsEnabledOverDriveMode
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledOverDriveMode(void)
{
return (READ_BIT(PWR->CR, PWR_CR_ODEN) == (PWR_CR_ODEN));
}
#endif /* PWR_CR_ODEN */
#if defined(PWR_CR_MRUDS)
/**
* @brief Enable Main Regulator in deepsleep under-drive Mode
* @rmtoll CR MRUDS LL_PWR_EnableMainRegulatorDeepSleepUDMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableMainRegulatorDeepSleepUDMode(void)
{
SET_BIT(PWR->CR, PWR_CR_MRUDS);
}
/**
* @brief Disable Main Regulator in deepsleep under-drive Mode
* @rmtoll CR MRUDS LL_PWR_DisableMainRegulatorDeepSleepUDMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableMainRegulatorDeepSleepUDMode(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_MRUDS);
}
/**
* @brief Check if Main Regulator in deepsleep under-drive Mode is enabled
* @rmtoll CR MRUDS LL_PWR_IsEnabledMainRegulatorDeepSleepUDMode
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledMainRegulatorDeepSleepUDMode(void)
{
return (READ_BIT(PWR->CR, PWR_CR_MRUDS) == (PWR_CR_MRUDS));
}
#endif /* PWR_CR_MRUDS */
#if defined(PWR_CR_LPUDS)
/**
* @brief Enable Low Power Regulator in deepsleep under-drive Mode
* @rmtoll CR LPUDS LL_PWR_EnableLowPowerRegulatorDeepSleepUDMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableLowPowerRegulatorDeepSleepUDMode(void)
{
SET_BIT(PWR->CR, PWR_CR_LPUDS);
}
/**
* @brief Disable Low Power Regulator in deepsleep under-drive Mode
* @rmtoll CR LPUDS LL_PWR_DisableLowPowerRegulatorDeepSleepUDMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableLowPowerRegulatorDeepSleepUDMode(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_LPUDS);
}
/**
* @brief Check if Low Power Regulator in deepsleep under-drive Mode is enabled
* @rmtoll CR LPUDS LL_PWR_IsEnabledLowPowerRegulatorDeepSleepUDMode
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledLowPowerRegulatorDeepSleepUDMode(void)
{
return (READ_BIT(PWR->CR, PWR_CR_LPUDS) == (PWR_CR_LPUDS));
}
#endif /* PWR_CR_LPUDS */
#if defined(PWR_CR_MRLVDS)
/**
* @brief Enable Main Regulator low voltage Mode
* @rmtoll CR MRLVDS LL_PWR_EnableMainRegulatorLowVoltageMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableMainRegulatorLowVoltageMode(void)
{
SET_BIT(PWR->CR, PWR_CR_MRLVDS);
}
/**
* @brief Disable Main Regulator low voltage Mode
* @rmtoll CR MRLVDS LL_PWR_DisableMainRegulatorLowVoltageMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableMainRegulatorLowVoltageMode(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_MRLVDS);
}
/**
* @brief Check if Main Regulator low voltage Mode is enabled
* @rmtoll CR MRLVDS LL_PWR_IsEnabledMainRegulatorLowVoltageMode
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledMainRegulatorLowVoltageMode(void)
{
return (READ_BIT(PWR->CR, PWR_CR_MRLVDS) == (PWR_CR_MRLVDS));
}
#endif /* PWR_CR_MRLVDS */
#if defined(PWR_CR_LPLVDS)
/**
* @brief Enable Low Power Regulator low voltage Mode
* @rmtoll CR LPLVDS LL_PWR_EnableLowPowerRegulatorLowVoltageMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableLowPowerRegulatorLowVoltageMode(void)
{
SET_BIT(PWR->CR, PWR_CR_LPLVDS);
}
/**
* @brief Disable Low Power Regulator low voltage Mode
* @rmtoll CR LPLVDS LL_PWR_DisableLowPowerRegulatorLowVoltageMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableLowPowerRegulatorLowVoltageMode(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_LPLVDS);
}
/**
* @brief Check if Low Power Regulator low voltage Mode is enabled
* @rmtoll CR LPLVDS LL_PWR_IsEnabledLowPowerRegulatorLowVoltageMode
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledLowPowerRegulatorLowVoltageMode(void)
{
return (READ_BIT(PWR->CR, PWR_CR_LPLVDS) == (PWR_CR_LPLVDS));
}
#endif /* PWR_CR_LPLVDS */
/**
* @brief Set the main internal Regulator output voltage
* @rmtoll CR 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
* @arg @ref LL_PWR_REGU_VOLTAGE_SCALE3
* (*) LL_PWR_REGU_VOLTAGE_SCALE1 is not available for STM32F401xx devices
* @retval None
*/
__STATIC_INLINE void LL_PWR_SetRegulVoltageScaling(uint32_t VoltageScaling)
{
MODIFY_REG(PWR->CR, PWR_CR_VOS, VoltageScaling);
}
/**
* @brief Get the main internal Regulator output voltage
* @rmtoll CR 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
* @arg @ref LL_PWR_REGU_VOLTAGE_SCALE3
* (*) LL_PWR_REGU_VOLTAGE_SCALE1 is not available for STM32F401xx devices
*/
__STATIC_INLINE uint32_t LL_PWR_GetRegulVoltageScaling(void)
{
return (uint32_t)(READ_BIT(PWR->CR, PWR_CR_VOS));
}
/**
* @brief Enable the Flash Power Down in Stop Mode
* @rmtoll CR FPDS LL_PWR_EnableFlashPowerDown
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableFlashPowerDown(void)
{
SET_BIT(PWR->CR, PWR_CR_FPDS);
}
/**
* @brief Disable the Flash Power Down in Stop Mode
* @rmtoll CR FPDS LL_PWR_DisableFlashPowerDown
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableFlashPowerDown(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_FPDS);
}
/**
* @brief Check if the Flash Power Down in Stop Mode is enabled
* @rmtoll CR FPDS LL_PWR_IsEnabledFlashPowerDown
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledFlashPowerDown(void)
{
return (READ_BIT(PWR->CR, PWR_CR_FPDS) == (PWR_CR_FPDS));
}
/**
* @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 Enable the backup Regulator
* @rmtoll CSR BRE LL_PWR_EnableBkUpRegulator
* @note The BRE bit of the PWR_CSR register is protected against parasitic write access.
* The LL_PWR_EnableBkUpAccess() must be called before using this API.
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableBkUpRegulator(void)
{
SET_BIT(PWR->CSR, PWR_CSR_BRE);
}
/**
* @brief Disable the backup Regulator
* @rmtoll CSR BRE LL_PWR_DisableBkUpRegulator
* @note The BRE bit of the PWR_CSR register is protected against parasitic write access.
* The LL_PWR_EnableBkUpAccess() must be called before using this API.
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableBkUpRegulator(void)
{
CLEAR_BIT(PWR->CSR, PWR_CSR_BRE);
}
/**
* @brief Check if the backup Regulator is enabled
* @rmtoll CSR BRE LL_PWR_IsEnabledBkUpRegulator
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledBkUpRegulator(void)
{
return (READ_BIT(PWR->CSR, PWR_CSR_BRE) == (PWR_CSR_BRE));
}
/**
* @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 MRUDS LL_PWR_SetPowerMode\n
* @rmtoll CR LPUDS LL_PWR_SetPowerMode\n
* @rmtoll CR FPDS LL_PWR_SetPowerMode\n
* @rmtoll CR MRLVDS LL_PWR_SetPowerMode\n
* @rmtoll CR LPlVDS LL_PWR_SetPowerMode\n
* @rmtoll CR FPDS 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_STOP_MAINREGU_UNDERDRIVE (*)
* @arg @ref LL_PWR_MODE_STOP_LPREGU_UNDERDRIVE (*)
* @arg @ref LL_PWR_MODE_STOP_MAINREGU_DEEPSLEEP (*)
* @arg @ref LL_PWR_MODE_STOP_LPREGU_DEEPSLEEP (*)
*
* (*) not available on all devices
* @arg @ref LL_PWR_MODE_STANDBY
* @retval None
*/
__STATIC_INLINE void LL_PWR_SetPowerMode(uint32_t PDMode)
{
#if defined(PWR_CR_MRUDS) && defined(PWR_CR_LPUDS) && defined(PWR_CR_FPDS)
MODIFY_REG(PWR->CR, (PWR_CR_PDDS | PWR_CR_LPDS | PWR_CR_FPDS | PWR_CR_LPUDS | PWR_CR_MRUDS), PDMode);
#elif defined(PWR_CR_MRLVDS) && defined(PWR_CR_LPLVDS) && defined(PWR_CR_FPDS)
MODIFY_REG(PWR->CR, (PWR_CR_PDDS | PWR_CR_LPDS | PWR_CR_FPDS | PWR_CR_LPLVDS | PWR_CR_MRLVDS), PDMode);
#else
MODIFY_REG(PWR->CR, (PWR_CR_PDDS| PWR_CR_LPDS), PDMode);
#endif /* PWR_CR_MRUDS && PWR_CR_LPUDS && PWR_CR_FPDS */
}
/**
* @brief Get Power Down mode when CPU enters deepsleep
* @rmtoll CR PDDS LL_PWR_GetPowerMode\n
* @rmtoll CR MRUDS LL_PWR_GetPowerMode\n
* @rmtoll CR LPUDS LL_PWR_GetPowerMode\n
* @rmtoll CR FPDS LL_PWR_GetPowerMode\n
* @rmtoll CR MRLVDS LL_PWR_GetPowerMode\n
* @rmtoll CR LPLVDS LL_PWR_GetPowerMode\n
* @rmtoll CR FPDS 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_STOP_MAINREGU_UNDERDRIVE (*)
* @arg @ref LL_PWR_MODE_STOP_LPREGU_UNDERDRIVE (*)
* @arg @ref LL_PWR_MODE_STOP_MAINREGU_DEEPSLEEP (*)
* @arg @ref LL_PWR_MODE_STOP_LPREGU_DEEPSLEEP (*)
*
* (*) not available on all devices
* @arg @ref LL_PWR_MODE_STANDBY
*/
__STATIC_INLINE uint32_t LL_PWR_GetPowerMode(void)
{
#if defined(PWR_CR_MRUDS) && defined(PWR_CR_LPUDS) && defined(PWR_CR_FPDS)
return (uint32_t)(READ_BIT(PWR->CR, (PWR_CR_PDDS | PWR_CR_LPDS | PWR_CR_FPDS | PWR_CR_LPUDS | PWR_CR_MRUDS)));
#elif defined(PWR_CR_MRLVDS) && defined(PWR_CR_LPLVDS) && defined(PWR_CR_FPDS)
return (uint32_t)(READ_BIT(PWR->CR, (PWR_CR_PDDS | PWR_CR_LPDS | PWR_CR_FPDS | PWR_CR_LPLVDS | PWR_CR_MRLVDS)));
#else
return (uint32_t)(READ_BIT(PWR->CR, (PWR_CR_PDDS| PWR_CR_LPDS)));
#endif /* PWR_CR_MRUDS && PWR_CR_LPUDS && PWR_CR_FPDS */
}
/**
* @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\n
* @rmtoll CSR EWUP1 LL_PWR_EnableWakeUpPin\n
* @rmtoll CSR EWUP2 LL_PWR_EnableWakeUpPin\n
* @rmtoll CSR EWUP3 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 (*)
*
* (*) not available on all devices
* @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\n
* @rmtoll CSR EWUP1 LL_PWR_DisableWakeUpPin\n
* @rmtoll CSR EWUP2 LL_PWR_DisableWakeUpPin\n
* @rmtoll CSR EWUP3 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 (*)
*
* (*) not available on all devices
* @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\n
* @rmtoll CSR EWUP1 LL_PWR_IsEnabledWakeUpPin\n
* @rmtoll CSR EWUP2 LL_PWR_IsEnabledWakeUpPin\n
* @rmtoll CSR EWUP3 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 (*)
*
* (*) not available on all devices
* @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 Get Backup Regulator ready Flag
* @rmtoll CSR BRR LL_PWR_IsActiveFlag_BRR
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_BRR(void)
{
return (READ_BIT(PWR->CSR, PWR_CSR_BRR) == (PWR_CSR_BRR));
}
/**
* @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 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 CSR VOS LL_PWR_IsActiveFlag_VOS
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_VOS(void)
{
return (READ_BIT(PWR->CSR, LL_PWR_CSR_VOS) == (LL_PWR_CSR_VOS));
}
#if defined(PWR_CR_ODEN)
/**
* @brief Indicate whether the Over-Drive mode is ready or not
* @rmtoll CSR ODRDY LL_PWR_IsActiveFlag_OD
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_OD(void)
{
return (READ_BIT(PWR->CSR, PWR_CSR_ODRDY) == (PWR_CSR_ODRDY));
}
#endif /* PWR_CR_ODEN */
#if defined(PWR_CR_ODSWEN)
/**
* @brief Indicate whether the Over-Drive mode switching is ready or not
* @rmtoll CSR ODSWRDY LL_PWR_IsActiveFlag_ODSW
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_ODSW(void)
{
return (READ_BIT(PWR->CSR, PWR_CSR_ODSWRDY) == (PWR_CSR_ODSWRDY));
}
#endif /* PWR_CR_ODSWEN */
#if defined(PWR_CR_UDEN)
/**
* @brief Indicate whether the Under-Drive mode is ready or not
* @rmtoll CSR UDRDY LL_PWR_IsActiveFlag_UD
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_UD(void)
{
return (READ_BIT(PWR->CSR, PWR_CSR_UDRDY) == (PWR_CSR_UDRDY));
}
#endif /* PWR_CR_UDEN */
/**
* @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(PWR_CSR_UDRDY)
/**
* @brief Clear Under-Drive ready Flag
* @rmtoll CSR UDRDY LL_PWR_ClearFlag_UD
* @retval None
*/
__STATIC_INLINE void LL_PWR_ClearFlag_UD(void)
{
WRITE_REG(PWR->CSR, PWR_CSR_UDRDY);
}
#endif /* PWR_CSR_UDRDY */
/**
* @}
*/
#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 /* __STM32F4xx_LL_PWR_H */
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