/** | |
****************************************************************************** | |
* @file stm32l1xx_ll_pwr.h | |
* @author MCD Application Team | |
* @brief Header file of PWR LL module. | |
****************************************************************************** | |
* @attention | |
* | |
* <h2><center>© COPYRIGHT(c) 2017 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 __STM32L1xx_LL_PWR_H | |
#define __STM32L1xx_LL_PWR_H | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
/* Includes ------------------------------------------------------------------*/ | |
#include "stm32l1xx.h" | |
/** @addtogroup STM32L1xx_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 */ | |
#define LL_PWR_REGU_DSMODE_LOW_POWER (PWR_CR_LPDS) /*!< Voltage Regulator in low-power mode during deepsleep mode */ | |
/** | |
* @} | |
*/ | |
#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. | |
* @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)); | |
} | |
/** | |
* @} | |
*/ | |
/** @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 */ | |
/** @defgroup PWR_LL_EF_Legacy_Functions PWR legacy functions name | |
* @{ | |
*/ | |
/* Old functions name kept for legacy purpose, to be replaced by the */ | |
/* current functions name. */ | |
#define LL_PWR_IsActiveFlag_VOSF LL_PWR_IsActiveFlag_VOS | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
#endif /* defined(PWR) */ | |
/** | |
* @} | |
*/ | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* __STM32L1xx_LL_PWR_H */ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |