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pigweed / third_party / github / STMicroelectronics / stm32l0xx_hal_driver / 5c9d98d616732adc422cead52ca17d9a4b9d0656 / . / Inc / stm32l0xx_ll_pwr.h
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/**
******************************************************************************
* @file stm32l0xx_ll_pwr.h
* @author MCD Application Team
* @brief Header file of PWR LL module.
******************************************************************************
* @attention
*
* Copyright (c) 2016 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 __STM32L0xx_LL_PWR_H
#define __STM32L0xx_LL_PWR_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx.h"
/** @addtogroup STM32L0xx_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 */
#if defined(PWR_PVD_SUPPORT)
#define LL_PWR_CSR_PVDO PWR_CSR_PVDO /*!< Power voltage detector output flag */
#endif /* PWR_PVD_SUPPORT */
#if defined(PWR_CSR_VREFINTRDYF)
#define LL_PWR_CSR_VREFINTRDYF PWR_CSR_VREFINTRDYF /*!< VREFINT ready flag */
#endif /* PWR_CSR_VREFINTRDYF */
#define LL_PWR_CSR_VOS PWR_CSR_VOSF /*!< Voltage scaling select flag */
#define LL_PWR_CSR_REGLPF PWR_CSR_REGLPF /*!< Regulator low power flag */
#define LL_PWR_CSR_EWUP1 PWR_CSR_EWUP1 /*!< Enable WKUP pin 1 */
#define LL_PWR_CSR_EWUP2 PWR_CSR_EWUP2 /*!< Enable WKUP pin 2 */
#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
* @{
*/
#define LL_PWR_REGU_VOLTAGE_SCALE1 (PWR_CR_VOS_0) /*!< 1.8V (range 1) */
#define LL_PWR_REGU_VOLTAGE_SCALE2 (PWR_CR_VOS_1) /*!< 1.5V (range 2) */
#define LL_PWR_REGU_VOLTAGE_SCALE3 (PWR_CR_VOS_0 | PWR_CR_VOS_1) /*!< 1.2V (range 3) */
/**
* @}
*/
/** @defgroup PWR_LL_EC_MODE_PWR Mode Power
* @{
*/
#define LL_PWR_MODE_STOP 0x00000000U /*!< Enter Stop mode 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_LP_MODES Regulator Mode In Low Power Modes
* @{
*/
#define LL_PWR_REGU_LPMODES_MAIN 0x00000000U /*!< Voltage regulator in main mode during deepsleep/sleep/low-power run mode */
#define LL_PWR_REGU_LPMODES_LOW_POWER (PWR_CR_LPSDSR) /*!< Voltage regulator in low-power mode during deepsleep/sleep/low-power run mode */
/**
* @}
*/
#if defined(PWR_CR_LPDS)
/** @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 when PWR_CR_LPSDSR = 0 */
#define LL_PWR_REGU_DSMODE_LOW_POWER (PWR_CR_LPDS) /*!< Voltage regulator in low-power mode during deepsleep mode when PWR_CR_LPSDSR = 0 */
/**
* @}
*/
#endif /* PWR_CR_LPDS */
#if defined(PWR_PVD_SUPPORT)
/** @defgroup PWR_LL_EC_PVDLEVEL Power Voltage Detector Level
* @{
*/
#define LL_PWR_PVDLEVEL_0 (PWR_CR_PLS_LEV0) /*!< Voltage threshold detected by PVD 1.9 V */
#define LL_PWR_PVDLEVEL_1 (PWR_CR_PLS_LEV1) /*!< Voltage threshold detected by PVD 2.1 V */
#define LL_PWR_PVDLEVEL_2 (PWR_CR_PLS_LEV2) /*!< Voltage threshold detected by PVD 2.3 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 2.7 V */
#define LL_PWR_PVDLEVEL_5 (PWR_CR_PLS_LEV5) /*!< Voltage threshold detected by PVD 2.9 V */
#define LL_PWR_PVDLEVEL_6 (PWR_CR_PLS_LEV6) /*!< Voltage threshold detected by PVD 3.1 V */
#define LL_PWR_PVDLEVEL_7 (PWR_CR_PLS_LEV7) /*!< External input analog voltage (Compare internally to VREFINT) */
/**
* @}
*/
#endif /* PWR_PVD_SUPPORT */
/** @defgroup PWR_LL_EC_WAKEUP_PIN Wakeup Pins
* @{
*/
#define LL_PWR_WAKEUP_PIN1 (PWR_CSR_EWUP1) /*!< WKUP pin 1 : PA0 */
#define LL_PWR_WAKEUP_PIN2 (PWR_CSR_EWUP2) /*!< WKUP pin 2 : PC13 */
#if defined(PWR_CSR_EWUP3)
#define LL_PWR_WAKEUP_PIN3 (PWR_CSR_EWUP3) /*!< WKUP pin 3 : PE6 or PA2 according to device */
#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
* @{
*/
/**
* @brief Switch the regulator from main mode to low-power mode
* @rmtoll CR LPRUN LL_PWR_EnableLowPowerRunMode
* @note Remind to set the regulator to low power before enabling
* LowPower run mode (bit @ref LL_PWR_REGU_LPMODES_LOW_POWER).
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableLowPowerRunMode(void)
{
SET_BIT(PWR->CR, PWR_CR_LPRUN);
}
/**
* @brief Switch the regulator from low-power mode to main mode
* @rmtoll CR LPRUN LL_PWR_DisableLowPowerRunMode
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableLowPowerRunMode(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_LPRUN);
}
/**
* @brief Check if the regulator is in low-power mode
* @rmtoll CR LPRUN LL_PWR_IsEnabledLowPowerRunMode
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledLowPowerRunMode(void)
{
return (READ_BIT(PWR->CR, PWR_CR_LPRUN) == (PWR_CR_LPRUN));
}
/**
* @brief Set voltage regulator to low-power and switch from
* run main mode to run low-power mode.
* @rmtoll CR LPSDSR LL_PWR_EnterLowPowerRunMode\n
* CR LPRUN LL_PWR_EnterLowPowerRunMode
* @note This "high level" function is introduced to provide functional
* compatibility with other families. Notice that the two registers
* have to be written sequentially, so this function is not atomic.
* To assure atomicity you can call separately the following functions:
* - @ref LL_PWR_SetRegulModeLP(@ref LL_PWR_REGU_LPMODES_LOW_POWER);
* - @ref LL_PWR_EnableLowPowerRunMode();
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnterLowPowerRunMode(void)
{
SET_BIT(PWR->CR, PWR_CR_LPSDSR); /* => LL_PWR_SetRegulModeLP(LL_PWR_REGU_LPMODES_LOW_POWER) */
SET_BIT(PWR->CR, PWR_CR_LPRUN); /* => LL_PWR_EnableLowPowerRunMode() */
}
/**
* @brief Set voltage regulator to main and switch from
* run main mode to low-power mode.
* @rmtoll CR LPSDSR LL_PWR_ExitLowPowerRunMode\n
* CR LPRUN LL_PWR_ExitLowPowerRunMode
* @note This "high level" function is introduced to provide functional
* compatibility with other families. Notice that the two registers
* have to be written sequentially, so this function is not atomic.
* To assure atomicity you can call separately the following functions:
* - @ref LL_PWR_DisableLowPowerRunMode();
* - @ref LL_PWR_SetRegulModeLP(@ref LL_PWR_REGU_LPMODES_MAIN);
* @retval None
*/
__STATIC_INLINE void LL_PWR_ExitLowPowerRunMode(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_LPRUN); /* => LL_PWR_DisableLowPowerRunMode() */
CLEAR_BIT(PWR->CR, PWR_CR_LPSDSR); /* => LL_PWR_SetRegulModeLP(LL_PWR_REGU_LPMODES_MAIN) */
}
/**
* @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
* @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
*/
__STATIC_INLINE uint32_t LL_PWR_GetRegulVoltageScaling(void)
{
return (uint32_t)(READ_BIT(PWR->CR, PWR_CR_VOS));
}
/**
* @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 low power modes
* @rmtoll CR LPSDSR LL_PWR_SetRegulModeLP
* @param RegulMode This parameter can be one of the following values:
* @arg @ref LL_PWR_REGU_LPMODES_MAIN
* @arg @ref LL_PWR_REGU_LPMODES_LOW_POWER
* @retval None
*/
__STATIC_INLINE void LL_PWR_SetRegulModeLP(uint32_t RegulMode)
{
MODIFY_REG(PWR->CR, PWR_CR_LPSDSR, RegulMode);
}
/**
* @brief Get voltage regulator mode during low power modes
* @rmtoll CR LPSDSR LL_PWR_GetRegulModeLP
* @retval Returned value can be one of the following values:
* @arg @ref LL_PWR_REGU_LPMODES_MAIN
* @arg @ref LL_PWR_REGU_LPMODES_LOW_POWER
*/
__STATIC_INLINE uint32_t LL_PWR_GetRegulModeLP(void)
{
return (uint32_t)(READ_BIT(PWR->CR, PWR_CR_LPSDSR));
}
#if defined(PWR_CR_LPDS)
/**
* @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));
}
#endif /* PWR_CR_LPDS */
/**
* @brief Set power down mode when CPU enters deepsleep
* @rmtoll CR PDDS LL_PWR_SetPowerMode
* @param PDMode This parameter can be one of the following values:
* @arg @ref LL_PWR_MODE_STOP
* @arg @ref LL_PWR_MODE_STANDBY
* @note Set the regulator to low power (bit @ref LL_PWR_REGU_LPMODES_LOW_POWER)
* before setting MODE_STOP. If the regulator remains in "main mode",
* it consumes more power without providing any additional feature.
* In MODE_STANDBY the regulator is automatically off.
* @note It is forbidden to configure both EN_VREFINT=1 and ULP=1 if the device is
* in Stop mode or in Sleep/Low-power sleep mode. If the device is not in
* low-power mode, VREFINT is always enabled whatever the state of EN_VREFINT and ULP
* @retval None
*/
__STATIC_INLINE void LL_PWR_SetPowerMode(uint32_t PDMode)
{
MODIFY_REG(PWR->CR, PWR_CR_PDDS, PDMode);
}
/**
* @brief Get power down mode when CPU enters deepsleep
* @rmtoll CR PDDS LL_PWR_GetPowerMode
* @retval Returned value can be one of the following values:
* @arg @ref LL_PWR_MODE_STOP
* @arg @ref LL_PWR_MODE_STANDBY
*/
__STATIC_INLINE uint32_t LL_PWR_GetPowerMode(void)
{
return (uint32_t)(READ_BIT(PWR->CR, PWR_CR_PDDS));
}
#if defined(PWR_PVD_SUPPORT)
/**
* @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));
}
#endif /* PWR_PVD_SUPPORT */
/**
* @brief Enable the WakeUp PINx functionality
* @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 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 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));
}
/**
* @brief Enable ultra low-power mode by enabling VREFINT switch off in low-power modes
* @rmtoll CR ULP LL_PWR_EnableUltraLowPower
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableUltraLowPower(void)
{
SET_BIT(PWR->CR, PWR_CR_ULP);
}
/**
* @brief Disable ultra low-power mode by disabling VREFINT switch off in low-power modes
* @rmtoll CR ULP LL_PWR_DisableUltraLowPower
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableUltraLowPower(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_ULP);
}
/**
* @brief Check if ultra low-power mode is enabled by checking if VREFINT switch off in low-power modes is enabled
* @rmtoll CR ULP LL_PWR_IsEnabledUltraLowPower
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledUltraLowPower(void)
{
return (READ_BIT(PWR->CR, PWR_CR_ULP) == (PWR_CR_ULP));
}
/**
* @brief Enable fast wakeup by ignoring VREFINT startup time when exiting from low-power mode
* @rmtoll CR FWU LL_PWR_EnableFastWakeUp
* @note Works in conjunction with ultra low power mode.
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableFastWakeUp(void)
{
SET_BIT(PWR->CR, PWR_CR_FWU);
}
/**
* @brief Disable fast wakeup by waiting VREFINT startup time when exiting from low-power mode
* @rmtoll CR FWU LL_PWR_DisableFastWakeUp
* @note Works in conjunction with ultra low power mode.
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableFastWakeUp(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_FWU);
}
/**
* @brief Check if fast wakeup is enabled by checking if VREFINT startup time when exiting from low-power mode is ignored
* @rmtoll CR FWU LL_PWR_IsEnabledFastWakeUp
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledFastWakeUp(void)
{
return (READ_BIT(PWR->CR, PWR_CR_FWU) == (PWR_CR_FWU));
}
/**
* @brief Enable non-volatile memory (Flash and EEPROM) keeping off feature when exiting from low-power mode
* @rmtoll CR DS_EE_KOFF LL_PWR_EnableNVMKeptOff
* @note When enabled, after entering low-power mode (Stop or Standby only), if RUN_PD of FLASH_ACR register
* is also set, the Flash memory will not be woken up when exiting from deepsleep mode.
* When enabled, the EEPROM will not be woken up when exiting from low-power mode (if the bit RUN_PD is set)
* @retval None
*/
__STATIC_INLINE void LL_PWR_EnableNVMKeptOff(void)
{
SET_BIT(PWR->CR, PWR_CR_DSEEKOFF);
}
/**
* @brief Disable non-volatile memory (Flash and EEPROM) keeping off feature when exiting from low-power mode
* @rmtoll CR DS_EE_KOFF LL_PWR_DisableNVMKeptOff
* @note When disabled, Flash memory is woken up when exiting from deepsleep mode even if the bit RUN_PD is set
* @retval None
*/
__STATIC_INLINE void LL_PWR_DisableNVMKeptOff(void)
{
CLEAR_BIT(PWR->CR, PWR_CR_DSEEKOFF);
}
/**
* @brief Check if non-volatile memory (Flash and EEPROM) keeping off feature when exiting from low-power mode is enabled
* @rmtoll CR DS_EE_KOFF LL_PWR_IsEnabledNVMKeptOff
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsEnabledNVMKeptOff(void)
{
return (READ_BIT(PWR->CR, PWR_CR_DSEEKOFF) == (PWR_CR_DSEEKOFF));
}
/**
* @}
*/
/** @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));
}
#if defined(PWR_PVD_SUPPORT)
/**
* @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));
}
#endif /* PWR_PVD_SUPPORT */
#if defined(PWR_CSR_VREFINTRDYF)
/**
* @brief Get Internal Reference VrefInt Flag
* @rmtoll CSR VREFINTRDYF LL_PWR_IsActiveFlag_VREFINTRDY
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_VREFINTRDY(void)
{
return (READ_BIT(PWR->CSR, PWR_CSR_VREFINTRDYF) == (PWR_CSR_VREFINTRDYF));
}
#endif /* PWR_CSR_VREFINTRDYF */
/**
* @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 VOSF 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));
}
/**
* @brief Indicate whether the regulator is ready in main mode or is in low-power mode
* @rmtoll CSR REGLPF LL_PWR_IsActiveFlag_REGLPF
* @note Take care, return value "0" means the regulator is ready. Return value "1" means the output voltage range is still changing.
* @retval State of bit (1 or 0).
*/
__STATIC_INLINE uint32_t LL_PWR_IsActiveFlag_REGLPF(void)
{
return (READ_BIT(PWR->CSR, PWR_CSR_REGLPF) == (PWR_CSR_REGLPF));
}
/**
* @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 /* __STM32L0xx_LL_PWR_H */