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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c | 609 |
1 files changed, 0 insertions, 609 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c b/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c deleted file mode 100644 index 6d7d5660b4..0000000000 --- a/c/src/lib/libbsp/arm/stm32f7x/hal/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c +++ /dev/null @@ -1,609 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f7xx_hal_pwr.c - * @author MCD Application Team - * @version V1.0.1 - * @date 25-June-2015 - * @brief PWR HAL module driver. - * This file provides firmware functions to manage the following - * functionalities of the Power Controller (PWR) peripheral: - * + Initialization and de-initialization functions - * + Peripheral Control functions - * - ****************************************************************************** - * @attention - * - * <h2><center>© 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. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f7xx_hal.h" - -/** @addtogroup STM32F7xx_HAL_Driver - * @{ - */ - -/** @defgroup PWR PWR - * @brief PWR HAL module driver - * @{ - */ - -#ifdef HAL_PWR_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @addtogroup PWR_Private_Constants - * @{ - */ - -/** @defgroup PWR_PVD_Mode_Mask PWR PVD Mode Mask - * @{ - */ -#define PVD_MODE_IT ((uint32_t)0x00010000) -#define PVD_MODE_EVT ((uint32_t)0x00020000) -#define PVD_RISING_EDGE ((uint32_t)0x00000001) -#define PVD_FALLING_EDGE ((uint32_t)0x00000002) -/** - * @} - */ - -/** @defgroup PWR_ENABLE_WUP_Mask PWR Enable WUP Mask - * @{ - */ -#define PWR_EWUP_MASK ((uint32_t)0x00003F00) -/** - * @} - */ - -/** - * @} - */ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup PWR_Exported_Functions PWR Exported Functions - * @{ - */ - -/** @defgroup PWR_Exported_Functions_Group1 Initialization and de-initialization functions - * @brief Initialization and de-initialization functions - * -@verbatim - =============================================================================== - ##### Initialization and de-initialization functions ##### - =============================================================================== - [..] - After reset, the backup domain (RTC registers, RTC backup data - registers and backup SRAM) is protected against possible unwanted - write accesses. - To enable access to the RTC Domain and RTC registers, proceed as follows: - (+) Enable the Power Controller (PWR) APB1 interface clock using the - __HAL_RCC_PWR_CLK_ENABLE() macro. - (+) Enable access to RTC domain using the HAL_PWR_EnableBkUpAccess() function. - -@endverbatim - * @{ - */ - -/** - * @brief Deinitializes the HAL PWR peripheral registers to their default reset values. - * @retval None - */ -void HAL_PWR_DeInit(void) -{ - __HAL_RCC_PWR_FORCE_RESET(); - __HAL_RCC_PWR_RELEASE_RESET(); -} - -/** - * @brief Enables access to the backup domain (RTC registers, RTC - * backup data registers and backup SRAM). - * @note If the HSE divided by 2, 3, ..31 is used as the RTC clock, the - * Backup Domain Access should be kept enabled. - * @retval None - */ -void HAL_PWR_EnableBkUpAccess(void) -{ - /* Enable access to RTC and backup registers */ - SET_BIT(PWR->CR1, PWR_CR1_DBP); -} - -/** - * @brief Disables access to the backup domain (RTC registers, RTC - * backup data registers and backup SRAM). - * @note If the HSE divided by 2, 3, ..31 is used as the RTC clock, the - * Backup Domain Access should be kept enabled. - * @retval None - */ -void HAL_PWR_DisableBkUpAccess(void) -{ - /* Disable access to RTC and backup registers */ - CLEAR_BIT(PWR->CR1, PWR_CR1_DBP); -} - -/** - * @} - */ - -/** @defgroup PWR_Exported_Functions_Group2 Peripheral Control functions - * @brief Low Power modes configuration functions - * -@verbatim - - =============================================================================== - ##### Peripheral Control functions ##### - =============================================================================== - - *** PVD configuration *** - ========================= - [..] - (+) The PVD is used to monitor the VDD power supply by comparing it to a - threshold selected by the PVD Level (PLS[2:0] bits in the PWR_CR). - (+) A PVDO flag is available to indicate if VDD/VDDA is higher or lower - than the PVD threshold. This event is internally connected to the EXTI - line16 and can generate an interrupt if enabled. This is done through - __HAL_PWR_PVD_EXTI_ENABLE_IT() macro. - (+) The PVD is stopped in Standby mode. - - *** Wake-up pin configuration *** - ================================ - [..] - (+) Wake-up pin is used to wake up the system from Standby mode. This pin is - forced in input pull-down configuration and is active on rising edges. - (+) There are to 6 Wake-up pin in the STM32F7 devices family - - *** Low Power modes configuration *** - ===================================== - [..] - The devices feature 3 low-power modes: - (+) Sleep mode: Cortex-M7 core stopped, peripherals kept running. - (+) Stop mode: all clocks are stopped, regulator running, regulator - in low power mode - (+) Standby mode: 1.2V domain powered off. - - *** Sleep mode *** - ================== - [..] - (+) Entry: - The Sleep mode is entered by using the HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI) - functions with - (++) PWR_SLEEPENTRY_WFI: enter SLEEP mode with WFI instruction - (++) PWR_SLEEPENTRY_WFE: enter SLEEP mode with WFE instruction - - -@@- The Regulator parameter is not used for the STM32F7 family - and is kept as parameter just to maintain compatibility with the - lower power families (STM32L). - (+) Exit: - Any peripheral interrupt acknowledged by the nested vectored interrupt - controller (NVIC) can wake up the device from Sleep mode. - - *** Stop mode *** - ================= - [..] - In Stop mode, all clocks in the 1.2V domain are stopped, the PLL, the HSI, - and the HSE RC oscillators are disabled. Internal SRAM and register contents - are preserved. - The voltage regulator can be configured either in normal or low-power mode. - To minimize the consumption In Stop mode, FLASH can be powered off before - entering the Stop mode using the HAL_PWREx_EnableFlashPowerDown() function. - It can be switched on again by software after exiting the Stop mode using - the HAL_PWREx_DisableFlashPowerDown() function. - - (+) Entry: - The Stop mode is entered using the HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON) - function with: - (++) Main regulator ON. - (++) Low Power regulator ON. - (+) Exit: - Any EXTI Line (Internal or External) configured in Interrupt/Event mode. - - *** Standby mode *** - ==================== - [..] - (+) - The Standby mode allows to achieve the lowest power consumption. It is based - on the Cortex-M7 deep sleep mode, with the voltage regulator disabled. - The 1.2V domain is consequently powered off. The PLL, the HSI oscillator and - the HSE oscillator are also switched off. SRAM and register contents are lost - except for the RTC registers, RTC backup registers, backup SRAM and Standby - circuitry. - - The voltage regulator is OFF. - - (++) Entry: - (+++) The Standby mode is entered using the HAL_PWR_EnterSTANDBYMode() function. - (++) Exit: - (+++) WKUP pin rising or falling edge, RTC alarm (Alarm A and Alarm B), RTC - wakeup, tamper event, time stamp event, external reset in NRST pin, IWDG reset. - - *** Auto-wakeup (AWU) from low-power mode *** - ============================================= - [..] - - (+) The MCU can be woken up from low-power mode by an RTC Alarm event, an RTC - Wakeup event, a tamper event or a time-stamp event, without depending on - an external interrupt (Auto-wakeup mode). - - (+) RTC auto-wakeup (AWU) from the Stop and Standby modes - - (++) To wake up from the Stop mode with an RTC alarm event, it is necessary to - configure the RTC to generate the RTC alarm using the HAL_RTC_SetAlarm_IT() function. - - (++) To wake up from the Stop mode with an RTC Tamper or time stamp event, it - is necessary to configure the RTC to detect the tamper or time stamp event using the - HAL_RTCEx_SetTimeStamp_IT() or HAL_RTCEx_SetTamper_IT() functions. - - (++) To wake up from the Stop mode with an RTC WakeUp event, it is necessary to - configure the RTC to generate the RTC WakeUp event using the HAL_RTCEx_SetWakeUpTimer_IT() function. - -@endverbatim - * @{ - */ - -/** - * @brief Configures the voltage threshold detected by the Power Voltage Detector(PVD). - * @param sConfigPVD: pointer to an PWR_PVDTypeDef structure that contains the configuration - * information for the PVD. - * @note Refer to the electrical characteristics of your device datasheet for - * more details about the voltage threshold corresponding to each - * detection level. - * @retval None - */ -void HAL_PWR_ConfigPVD(PWR_PVDTypeDef *sConfigPVD) -{ - /* Check the parameters */ - assert_param(IS_PWR_PVD_LEVEL(sConfigPVD->PVDLevel)); - assert_param(IS_PWR_PVD_MODE(sConfigPVD->Mode)); - - /* Set PLS[7:5] bits according to PVDLevel value */ - MODIFY_REG(PWR->CR1, PWR_CR1_PLS, sConfigPVD->PVDLevel); - - /* Clear any previous config. Keep it clear if no event or IT mode is selected */ - __HAL_PWR_PVD_EXTI_DISABLE_EVENT(); - __HAL_PWR_PVD_EXTI_DISABLE_IT(); - __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE(); - __HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE(); - - /* Configure interrupt mode */ - if((sConfigPVD->Mode & PVD_MODE_IT) == PVD_MODE_IT) - { - __HAL_PWR_PVD_EXTI_ENABLE_IT(); - } - - /* Configure event mode */ - if((sConfigPVD->Mode & PVD_MODE_EVT) == PVD_MODE_EVT) - { - __HAL_PWR_PVD_EXTI_ENABLE_EVENT(); - } - - /* Configure the edge */ - if((sConfigPVD->Mode & PVD_RISING_EDGE) == PVD_RISING_EDGE) - { - __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE(); - } - - if((sConfigPVD->Mode & PVD_FALLING_EDGE) == PVD_FALLING_EDGE) - { - __HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE(); - } -} - -/** - * @brief Enables the Power Voltage Detector(PVD). - * @retval None - */ -void HAL_PWR_EnablePVD(void) -{ - /* Enable the power voltage detector */ - SET_BIT(PWR->CR1, PWR_CR1_PVDE); -} - -/** - * @brief Disables the Power Voltage Detector(PVD). - * @retval None - */ -void HAL_PWR_DisablePVD(void) -{ - /* Disable the power voltage detector */ - CLEAR_BIT(PWR->CR1, PWR_CR1_PVDE); -} - -/** - * @brief Enable the WakeUp PINx functionality. - * @param WakeUpPinPolarity: Specifies which Wake-Up pin to enable. - * This parameter can be one of the following legacy values, which sets the default polarity: - * detection on high level (rising edge): - * @arg PWR_WAKEUP_PIN1, PWR_WAKEUP_PIN2, PWR_WAKEUP_PIN3, PWR_WAKEUP_PIN4, PWR_WAKEUP_PIN5, PWR_WAKEUP_PIN6 - * or one of the following value where the user can explicitly states the enabled pin and - * the chosen polarity - * @arg PWR_WAKEUP_PIN1_HIGH or PWR_WAKEUP_PIN1_LOW - * @arg PWR_WAKEUP_PIN2_HIGH or PWR_WAKEUP_PIN2_LOW - * @arg PWR_WAKEUP_PIN3_HIGH or PWR_WAKEUP_PIN3_LOW - * @arg PWR_WAKEUP_PIN4_HIGH or PWR_WAKEUP_PIN4_LOW - * @arg PWR_WAKEUP_PIN5_HIGH or PWR_WAKEUP_PIN5_LOW - * @arg PWR_WAKEUP_PIN6_HIGH or PWR_WAKEUP_PIN6_LOW - * @note PWR_WAKEUP_PINx and PWR_WAKEUP_PINx_HIGH are equivalent. - * @retval None - */ -void HAL_PWR_EnableWakeUpPin(uint32_t WakeUpPinPolarity) -{ - assert_param(IS_PWR_WAKEUP_PIN(WakeUpPinPolarity)); - - /* Enable wake-up pin */ - SET_BIT(PWR->CSR2, (PWR_EWUP_MASK & WakeUpPinPolarity)); - - /* Specifies the Wake-Up pin polarity for the event detection - (rising or falling edge) */ - MODIFY_REG(PWR->CR2, (PWR_EWUP_MASK & WakeUpPinPolarity), (WakeUpPinPolarity >> 0x06)); -} - -/** - * @brief Disables the WakeUp PINx functionality. - * @param WakeUpPinx: Specifies the Power Wake-Up pin to disable. - * This parameter can be one of the following values: - * @arg PWR_WAKEUP_PIN1 - * @arg PWR_WAKEUP_PIN2 - * @arg PWR_WAKEUP_PIN3 - * @arg PWR_WAKEUP_PIN4 - * @arg PWR_WAKEUP_PIN5 - * @arg PWR_WAKEUP_PIN6 - * @retval None - */ -void HAL_PWR_DisableWakeUpPin(uint32_t WakeUpPinx) -{ - assert_param(IS_PWR_WAKEUP_PIN(WakeUpPinx)); - - CLEAR_BIT(PWR->CSR2, WakeUpPinx); -} - -/** - * @brief Enters Sleep mode. - * - * @note In Sleep mode, all I/O pins keep the same state as in Run mode. - * - * @note In Sleep mode, the systick is stopped to avoid exit from this mode with - * systick interrupt when used as time base for Timeout - * - * @param Regulator: Specifies the regulator state in SLEEP mode. - * This parameter can be one of the following values: - * @arg PWR_MAINREGULATOR_ON: SLEEP mode with regulator ON - * @arg PWR_LOWPOWERREGULATOR_ON: SLEEP mode with low power regulator ON - * @note This parameter is not used for the STM32F7 family and is kept as parameter - * just to maintain compatibility with the lower power families. - * @param SLEEPEntry: Specifies if SLEEP mode in entered with WFI or WFE instruction. - * This parameter can be one of the following values: - * @arg PWR_SLEEPENTRY_WFI: enter SLEEP mode with WFI instruction - * @arg PWR_SLEEPENTRY_WFE: enter SLEEP mode with WFE instruction - * @retval None - */ -void HAL_PWR_EnterSLEEPMode(uint32_t Regulator, uint8_t SLEEPEntry) -{ - /* Check the parameters */ - assert_param(IS_PWR_REGULATOR(Regulator)); - assert_param(IS_PWR_SLEEP_ENTRY(SLEEPEntry)); - - /* Clear SLEEPDEEP bit of Cortex System Control Register */ - CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk)); - - /* Select SLEEP mode entry -------------------------------------------------*/ - if(SLEEPEntry == PWR_SLEEPENTRY_WFI) - { - /* Request Wait For Interrupt */ - __WFI(); - } - else - { - /* Request Wait For Event */ - __SEV(); - __WFE(); - __WFE(); - } -} - -/** - * @brief Enters Stop mode. - * @note In Stop mode, all I/O pins keep the same state as in Run mode. - * @note When exiting Stop mode by issuing an interrupt or a wakeup event, - * the HSI RC oscillator is selected as system clock. - * @note When the voltage regulator operates in low power mode, an additional - * startup delay is incurred when waking up from Stop mode. - * By keeping the internal regulator ON during Stop mode, the consumption - * is higher although the startup time is reduced. - * @param Regulator: Specifies the regulator state in Stop mode. - * This parameter can be one of the following values: - * @arg PWR_MAINREGULATOR_ON: Stop mode with regulator ON - * @arg PWR_LOWPOWERREGULATOR_ON: Stop mode with low power regulator ON - * @param STOPEntry: Specifies if Stop mode in entered with WFI or WFE instruction. - * This parameter can be one of the following values: - * @arg PWR_STOPENTRY_WFI: Enter Stop mode with WFI instruction - * @arg PWR_STOPENTRY_WFE: Enter Stop mode with WFE instruction - * @retval None - */ -void HAL_PWR_EnterSTOPMode(uint32_t Regulator, uint8_t STOPEntry) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_PWR_REGULATOR(Regulator)); - assert_param(IS_PWR_STOP_ENTRY(STOPEntry)); - - /* Select the regulator state in Stop mode ---------------------------------*/ - tmpreg = PWR->CR1; - /* Clear PDDS and LPDS bits */ - tmpreg &= (uint32_t)~(PWR_CR1_PDDS | PWR_CR1_LPDS); - - /* Set LPDS, MRLVDS and LPLVDS bits according to Regulator value */ - tmpreg |= Regulator; - - /* Store the new value */ - PWR->CR1 = tmpreg; - - /* Set SLEEPDEEP bit of Cortex System Control Register */ - SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; - - /* Select Stop mode entry --------------------------------------------------*/ - if(STOPEntry == PWR_STOPENTRY_WFI) - { - /* Request Wait For Interrupt */ - __WFI(); - } - else - { - /* Request Wait For Event */ - __SEV(); - __WFE(); - __WFE(); - } - /* Reset SLEEPDEEP bit of Cortex System Control Register */ - SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk); -} - -/** - * @brief Enters Standby mode. - * @note In Standby mode, all I/O pins are high impedance except for: - * - Reset pad (still available) - * - RTC_AF1 pin (PC13) if configured for tamper, time-stamp, RTC - * Alarm out, or RTC clock calibration out. - * - RTC_AF2 pin (PI8) if configured for tamper or time-stamp. - * - WKUP pins if enabled. - * @retval None - */ -void HAL_PWR_EnterSTANDBYMode(void) -{ - /* Select Standby mode */ - PWR->CR1 |= PWR_CR1_PDDS; - - /* Set SLEEPDEEP bit of Cortex System Control Register */ - SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; - - /* This option is used to ensure that store operations are completed */ -#if defined ( __CC_ARM) - __force_stores(); -#endif - /* Request Wait For Interrupt */ - __WFI(); -} - -/** - * @brief This function handles the PWR PVD interrupt request. - * @note This API should be called under the PVD_IRQHandler(). - * @retval None - */ -void HAL_PWR_PVD_IRQHandler(void) -{ - /* Check PWR Exti flag */ - if(__HAL_PWR_PVD_EXTI_GET_FLAG() != RESET) - { - /* PWR PVD interrupt user callback */ - HAL_PWR_PVDCallback(); - - /* Clear PWR Exti pending bit */ - __HAL_PWR_PVD_EXTI_CLEAR_FLAG(); - } -} - -/** - * @brief PWR PVD interrupt callback - * @retval None - */ -__weak void HAL_PWR_PVDCallback(void) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_PWR_PVDCallback could be implemented in the user file - */ -} - -/** - * @brief Indicates Sleep-On-Exit when returning from Handler mode to Thread mode. - * @note Set SLEEPONEXIT bit of SCR register. When this bit is set, the processor - * re-enters SLEEP mode when an interruption handling is over. - * Setting this bit is useful when the processor is expected to run only on - * interruptions handling. - * @retval None - */ -void HAL_PWR_EnableSleepOnExit(void) -{ - /* Set SLEEPONEXIT bit of Cortex System Control Register */ - SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPONEXIT_Msk)); -} - -/** - * @brief Disables Sleep-On-Exit feature when returning from Handler mode to Thread mode. - * @note Clears SLEEPONEXIT bit of SCR register. When this bit is set, the processor - * re-enters SLEEP mode when an interruption handling is over. - * @retval None - */ -void HAL_PWR_DisableSleepOnExit(void) -{ - /* Clear SLEEPONEXIT bit of Cortex System Control Register */ - CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPONEXIT_Msk)); -} - -/** - * @brief Enables CORTEX M4 SEVONPEND bit. - * @note Sets SEVONPEND bit of SCR register. When this bit is set, this causes - * WFE to wake up when an interrupt moves from inactive to pended. - * @retval None - */ -void HAL_PWR_EnableSEVOnPend(void) -{ - /* Set SEVONPEND bit of Cortex System Control Register */ - SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SEVONPEND_Msk)); -} - -/** - * @brief Disables CORTEX M4 SEVONPEND bit. - * @note Clears SEVONPEND bit of SCR register. When this bit is set, this causes - * WFE to wake up when an interrupt moves from inactive to pended. - * @retval None - */ -void HAL_PWR_DisableSEVOnPend(void) -{ - /* Clear SEVONPEND bit of Cortex System Control Register */ - CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SEVONPEND_Msk)); -} - -/** - * @} - */ - -/** - * @} - */ - -#endif /* HAL_PWR_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |