ostc4: Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal

author	Ideenmodellierer
date	Thu, 30 Jan 2025 21:26:38 +0100 (8 weeks ago)
parents	c78bcbd5deda
children

rev	line source
128 c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	1 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	2 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	3 * @file stm32f4xx_hal_pwr.c
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	4 * @author MCD Application Team
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	5 * @brief PWR HAL module driver.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	6 * This file provides firmware functions to manage the following
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	7 * functionalities of the Power Controller (PWR) peripheral:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	8 * + Initialization and de-initialization functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	9 * + Peripheral Control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	10 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	11 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	12 * @attention
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	13 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	14 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	15 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	16 * Redistribution and use in source and binary forms, with or without modification,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	17 * are permitted provided that the following conditions are met:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	18 * 1. Redistributions of source code must retain the above copyright notice,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	19 * this list of conditions and the following disclaimer.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	20 * 2. Redistributions in binary form must reproduce the above copyright notice,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	21 * this list of conditions and the following disclaimer in the documentation
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	22 * and/or other materials provided with the distribution.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	23 * 3. Neither the name of STMicroelectronics nor the names of its contributors
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	24 * may be used to endorse or promote products derived from this software
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	25 * without specific prior written permission.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	26 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	30 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	33 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	34 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	35 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	36 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	37 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	38 ******************************************************************************
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	39 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	40
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	41 /* Includes ------------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	42 #include "stm32f4xx_hal.h"
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	43
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	44 /** @addtogroup STM32F4xx_HAL_Driver
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	45 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	46 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	47
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	48 /** @defgroup PWR PWR
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	49 * @brief PWR HAL module driver
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	50 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	51 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	52
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	53 #ifdef HAL_PWR_MODULE_ENABLED
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	54
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	55 /* Private typedef -----------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	56 /* Private define ------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	57 /** @addtogroup PWR_Private_Constants
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	58 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	59 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	60
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	61 /** @defgroup PWR_PVD_Mode_Mask PWR PVD Mode Mask
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	62 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	63 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	64 #define PVD_MODE_IT 0x00010000U
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	65 #define PVD_MODE_EVT 0x00020000U
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	66 #define PVD_RISING_EDGE 0x00000001U
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	67 #define PVD_FALLING_EDGE 0x00000002U
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	68 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	69 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	70 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	71
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	72 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	73 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	74 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	75 /* Private macro -------------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	76 /* Private variables ---------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	77 /* Private function prototypes -----------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	78 /* Private functions ---------------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	79
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	80 /** @defgroup PWR_Exported_Functions PWR Exported Functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	81 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	82 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	83
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	84 /** @defgroup PWR_Exported_Functions_Group1 Initialization and de-initialization functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	85 * @brief Initialization and de-initialization functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	86 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	87 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	88 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	89 ##### Initialization and de-initialization functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	90 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	91 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	92 After reset, the backup domain (RTC registers, RTC backup data
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	93 registers and backup SRAM) is protected against possible unwanted
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	94 write accesses.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	95 To enable access to the RTC Domain and RTC registers, proceed as follows:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	96 (+) Enable the Power Controller (PWR) APB1 interface clock using the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	97 __HAL_RCC_PWR_CLK_ENABLE() macro.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	98 (+) Enable access to RTC domain using the HAL_PWR_EnableBkUpAccess() function.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	99
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	100 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	101 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	102 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	103
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	104 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	105 * @brief Deinitializes the HAL PWR peripheral registers to their default reset values.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	106 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	107 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	108 void HAL_PWR_DeInit(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	109 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	110 __HAL_RCC_PWR_FORCE_RESET();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	111 __HAL_RCC_PWR_RELEASE_RESET();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	112 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	113
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	114 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	115 * @brief Enables access to the backup domain (RTC registers, RTC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	116 * backup data registers and backup SRAM).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	117 * @note If the HSE divided by 2, 3, ..31 is used as the RTC clock, the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	118 * Backup Domain Access should be kept enabled.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	119 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	120 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	121 void HAL_PWR_EnableBkUpAccess(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	122 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	123 (__IO uint32_t ) CR_DBP_BB = (uint32_t)ENABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	124 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	125
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	126 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	127 * @brief Disables access to the backup domain (RTC registers, RTC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	128 * backup data registers and backup SRAM).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	129 * @note If the HSE divided by 2, 3, ..31 is used as the RTC clock, the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	130 * Backup Domain Access should be kept enabled.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	131 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	132 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	133 void HAL_PWR_DisableBkUpAccess(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	134 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	135 (__IO uint32_t ) CR_DBP_BB = (uint32_t)DISABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	136 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	137
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	138 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	139 * @}
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	140 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	141
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	142 /** @defgroup PWR_Exported_Functions_Group2 Peripheral Control functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	143 * @brief Low Power modes configuration functions
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	144 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	145 @verbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	146
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	147 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	148 ##### Peripheral Control functions #####
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	149 ===============================================================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	150
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	151 * PVD configuration *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	152 =========================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	153 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	154 (+) The PVD is used to monitor the VDD power supply by comparing it to a
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	155 threshold selected by the PVD Level (PLS[2:0] bits in the PWR_CR).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	156 (+) A PVDO flag is available to indicate if VDD/VDDA is higher or lower
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	157 than the PVD threshold. This event is internally connected to the EXTI
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	158 line16 and can generate an interrupt if enabled. This is done through
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	159 __HAL_PWR_PVD_EXTI_ENABLE_IT() macro.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	160 (+) The PVD is stopped in Standby mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	161
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	162 * Wake-up pin configuration *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	163 ================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	164 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	165 (+) Wake-up pin is used to wake up the system from Standby mode. This pin is
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	166 forced in input pull-down configuration and is active on rising edges.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	167 (+) There is one Wake-up pin: Wake-up Pin 1 on PA.00.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	168 (++) For STM32F446xx there are two Wake-Up pins: Pin1 on PA.00 and Pin2 on PC.13
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	169 (++) For STM32F410xx/STM32F412xx/STM32F413xx/STM32F423xx there are three Wake-Up pins: Pin1 on PA.00, Pin2 on PC.00 and Pin3 on PC.01
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	170
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	171 * Low Power modes configuration *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	172 =====================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	173 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	174 The devices feature 3 low-power modes:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	175 (+) Sleep mode: Cortex-M4 core stopped, peripherals kept running.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	176 (+) Stop mode: all clocks are stopped, regulator running, regulator
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	177 in low power mode
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	178 (+) Standby mode: 1.2V domain powered off.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	179
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	180 * Sleep mode *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	181 ==================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	182 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	183 (+) Entry:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	184 The Sleep mode is entered by using the HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	185 functions with
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	186 (++) PWR_SLEEPENTRY_WFI: enter SLEEP mode with WFI instruction
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	187 (++) PWR_SLEEPENTRY_WFE: enter SLEEP mode with WFE instruction
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	188
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	189 -@@- The Regulator parameter is not used for the STM32F4 family
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	190 and is kept as parameter just to maintain compatibility with the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	191 lower power families (STM32L).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	192 (+) Exit:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	193 Any peripheral interrupt acknowledged by the nested vectored interrupt
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	194 controller (NVIC) can wake up the device from Sleep mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	195
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	196 * Stop mode *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	197 =================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	198 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	199 In Stop mode, all clocks in the 1.2V domain are stopped, the PLL, the HSI,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	200 and the HSE RC oscillators are disabled. Internal SRAM and register contents
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	201 are preserved.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	202 The voltage regulator can be configured either in normal or low-power mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	203 To minimize the consumption In Stop mode, FLASH can be powered off before
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	204 entering the Stop mode using the HAL_PWREx_EnableFlashPowerDown() function.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	205 It can be switched on again by software after exiting the Stop mode using
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	206 the HAL_PWREx_DisableFlashPowerDown() function.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	207
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	208 (+) Entry:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	209 The Stop mode is entered using the HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	210 function with:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	211 (++) Main regulator ON.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	212 (++) Low Power regulator ON.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	213 (+) Exit:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	214 Any EXTI Line (Internal or External) configured in Interrupt/Event mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	215
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	216 * Standby mode *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	217 ====================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	218 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	219 (+)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	220 The Standby mode allows to achieve the lowest power consumption. It is based
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	221 on the Cortex-M4 deep sleep mode, with the voltage regulator disabled.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	222 The 1.2V domain is consequently powered off. The PLL, the HSI oscillator and
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	223 the HSE oscillator are also switched off. SRAM and register contents are lost
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	224 except for the RTC registers, RTC backup registers, backup SRAM and Standby
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	225 circuitry.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	226
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	227 The voltage regulator is OFF.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	228
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	229 (++) Entry:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	230 (+++) The Standby mode is entered using the HAL_PWR_EnterSTANDBYMode() function.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	231 (++) Exit:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	232 (+++) WKUP pin rising edge, RTC alarm (Alarm A and Alarm B), RTC wake-up,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	233 tamper event, time-stamp event, external reset in NRST pin, IWDG reset.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	234
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	235 * Auto-wake-up (AWU) from low-power mode *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	236 =============================================
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	237 [..]
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	238
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	239 (+) The MCU can be woken up from low-power mode by an RTC Alarm event, an RTC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	240 Wake-up event, a tamper event or a time-stamp event, without depending on
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	241 an external interrupt (Auto-wake-up mode).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	242
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	243 (+) RTC auto-wake-up (AWU) from the Stop and Standby modes
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	244
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	245 (++) To wake up from the Stop mode with an RTC alarm event, it is necessary to
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	246 configure the RTC to generate the RTC alarm using the HAL_RTC_SetAlarm_IT() function.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	247
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	248 (++) To wake up from the Stop mode with an RTC Tamper or time stamp event, it
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	249 is necessary to configure the RTC to detect the tamper or time stamp event using the
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	250 HAL_RTCEx_SetTimeStamp_IT() or HAL_RTCEx_SetTamper_IT() functions.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	251
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	252 (++) To wake up from the Stop mode with an RTC Wake-up event, it is necessary to
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	253 configure the RTC to generate the RTC Wake-up event using the HAL_RTCEx_SetWakeUpTimer_IT() function.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	254
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	255 @endverbatim
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	256 * @{
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	257 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	258
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	259 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	260 * @brief Configures the voltage threshold detected by the Power Voltage Detector(PVD).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	261 * @param sConfigPVD pointer to an PWR_PVDTypeDef structure that contains the configuration
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	262 * information for the PVD.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	263 * @note Refer to the electrical characteristics of your device datasheet for
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	264 * more details about the voltage threshold corresponding to each
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	265 * detection level.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	266 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	267 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	268 void HAL_PWR_ConfigPVD(PWR_PVDTypeDef *sConfigPVD)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	269 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	270 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	271 assert_param(IS_PWR_PVD_LEVEL(sConfigPVD->PVDLevel));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	272 assert_param(IS_PWR_PVD_MODE(sConfigPVD->Mode));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	273
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	274 /* Set PLS[7:5] bits according to PVDLevel value */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	275 MODIFY_REG(PWR->CR, PWR_CR_PLS, sConfigPVD->PVDLevel);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	276
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	277 /* Clear any previous config. Keep it clear if no event or IT mode is selected */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	278 __HAL_PWR_PVD_EXTI_DISABLE_EVENT();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	279 __HAL_PWR_PVD_EXTI_DISABLE_IT();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	280 __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	281 __HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	282
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	283 /* Configure interrupt mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	284 if((sConfigPVD->Mode & PVD_MODE_IT) == PVD_MODE_IT)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	285 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	286 __HAL_PWR_PVD_EXTI_ENABLE_IT();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	287 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	288
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	289 /* Configure event mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	290 if((sConfigPVD->Mode & PVD_MODE_EVT) == PVD_MODE_EVT)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	291 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	292 __HAL_PWR_PVD_EXTI_ENABLE_EVENT();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	293 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	294
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	295 /* Configure the edge */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	296 if((sConfigPVD->Mode & PVD_RISING_EDGE) == PVD_RISING_EDGE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	297 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	298 __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	299 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	300
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	301 if((sConfigPVD->Mode & PVD_FALLING_EDGE) == PVD_FALLING_EDGE)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	302 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	303 __HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	304 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	305 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	306
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	307 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	308 * @brief Enables the Power Voltage Detector(PVD).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	309 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	310 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	311 void HAL_PWR_EnablePVD(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	312 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	313 (__IO uint32_t ) CR_PVDE_BB = (uint32_t)ENABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	314 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	315
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	316 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	317 * @brief Disables the Power Voltage Detector(PVD).
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	318 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	319 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	320 void HAL_PWR_DisablePVD(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	321 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	322 (__IO uint32_t ) CR_PVDE_BB = (uint32_t)DISABLE;
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	323 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	324
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	325 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	326 * @brief Enables the Wake-up PINx functionality.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	327 * @param WakeUpPinx Specifies the Power Wake-Up pin to enable.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	328 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	329 * @arg PWR_WAKEUP_PIN1
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	330 * @arg PWR_WAKEUP_PIN2 available only on STM32F410xx/STM32F446xx/STM32F412xx/STM32F413xx/STM32F423xx devices
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	331 * @arg PWR_WAKEUP_PIN3 available only on STM32F410xx/STM32F412xx/STM32F413xx/STM32F423xx devices
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	332 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	333 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	334 void HAL_PWR_EnableWakeUpPin(uint32_t WakeUpPinx)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	335 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	336 /* Check the parameter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	337 assert_param(IS_PWR_WAKEUP_PIN(WakeUpPinx));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	338
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	339 /* Enable the wake up pin */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	340 SET_BIT(PWR->CSR, WakeUpPinx);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	341 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	342
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	343 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	344 * @brief Disables the Wake-up PINx functionality.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	345 * @param WakeUpPinx Specifies the Power Wake-Up pin to disable.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	346 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	347 * @arg PWR_WAKEUP_PIN1
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	348 * @arg PWR_WAKEUP_PIN2 available only on STM32F410xx/STM32F446xx/STM32F412xx/STM32F413xx/STM32F423xx devices
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	349 * @arg PWR_WAKEUP_PIN3 available only on STM32F410xx/STM32F412xx/STM32F413xx/STM32F423xx devices
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	350 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	351 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	352 void HAL_PWR_DisableWakeUpPin(uint32_t WakeUpPinx)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	353 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	354 /* Check the parameter */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	355 assert_param(IS_PWR_WAKEUP_PIN(WakeUpPinx));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	356
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	357 /* Disable the wake up pin */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	358 CLEAR_BIT(PWR->CSR, WakeUpPinx);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	359 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	360
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	361 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	362 * @brief Enters Sleep mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	363 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	364 * @note In Sleep mode, all I/O pins keep the same state as in Run mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	365 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	366 * @note In Sleep mode, the systick is stopped to avoid exit from this mode with
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	367 * systick interrupt when used as time base for Timeout
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	368 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	369 * @param Regulator Specifies the regulator state in SLEEP mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	370 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	371 * @arg PWR_MAINREGULATOR_ON: SLEEP mode with regulator ON
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	372 * @arg PWR_LOWPOWERREGULATOR_ON: SLEEP mode with low power regulator ON
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	373 * @note This parameter is not used for the STM32F4 family and is kept as parameter
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	374 * just to maintain compatibility with the lower power families.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	375 * @param SLEEPEntry Specifies if SLEEP mode in entered with WFI or WFE instruction.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	376 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	377 * @arg PWR_SLEEPENTRY_WFI: enter SLEEP mode with WFI instruction
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	378 * @arg PWR_SLEEPENTRY_WFE: enter SLEEP mode with WFE instruction
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	379 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	380 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	381 void HAL_PWR_EnterSLEEPMode(uint32_t Regulator, uint8_t SLEEPEntry)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	382 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	383 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	384 assert_param(IS_PWR_REGULATOR(Regulator));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	385 assert_param(IS_PWR_SLEEP_ENTRY(SLEEPEntry));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	386
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	387 /* Clear SLEEPDEEP bit of Cortex System Control Register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	388 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	389
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	390 /* Select SLEEP mode entry -------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	391 if(SLEEPEntry == PWR_SLEEPENTRY_WFI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	392 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	393 /* Request Wait For Interrupt */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	394 __WFI();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	395 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	396 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	397 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	398 /* Request Wait For Event */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	399 __SEV();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	400 __WFE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	401 __WFE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	402 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	403 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	404
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	405 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	406 * @brief Enters Stop mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	407 * @note In Stop mode, all I/O pins keep the same state as in Run mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	408 * @note When exiting Stop mode by issuing an interrupt or a wake-up event,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	409 * the HSI RC oscillator is selected as system clock.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	410 * @note When the voltage regulator operates in low power mode, an additional
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	411 * startup delay is incurred when waking up from Stop mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	412 * By keeping the internal regulator ON during Stop mode, the consumption
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	413 * is higher although the startup time is reduced.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	414 * @param Regulator Specifies the regulator state in Stop mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	415 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	416 * @arg PWR_MAINREGULATOR_ON: Stop mode with regulator ON
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	417 * @arg PWR_LOWPOWERREGULATOR_ON: Stop mode with low power regulator ON
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	418 * @param STOPEntry Specifies if Stop mode in entered with WFI or WFE instruction.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	419 * This parameter can be one of the following values:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	420 * @arg PWR_STOPENTRY_WFI: Enter Stop mode with WFI instruction
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	421 * @arg PWR_STOPENTRY_WFE: Enter Stop mode with WFE instruction
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	422 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	423 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	424 void HAL_PWR_EnterSTOPMode(uint32_t Regulator, uint8_t STOPEntry)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	425 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	426 /* Check the parameters */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	427 assert_param(IS_PWR_REGULATOR(Regulator));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	428 assert_param(IS_PWR_STOP_ENTRY(STOPEntry));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	429
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	430 /* Select the regulator state in Stop mode: Set PDDS and LPDS bits according to PWR_Regulator value */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	431 MODIFY_REG(PWR->CR, (PWR_CR_PDDS \| PWR_CR_LPDS), Regulator);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	432
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	433 /* Set SLEEPDEEP bit of Cortex System Control Register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	434 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	435
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	436 /* Select Stop mode entry --------------------------------------------------*/
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	437 if(STOPEntry == PWR_STOPENTRY_WFI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	438 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	439 /* Request Wait For Interrupt */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	440 __WFI();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	441 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	442 else
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	443 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	444 /* Request Wait For Event */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	445 __SEV();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	446 __WFE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	447 __WFE();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	448 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	449 /* Reset SLEEPDEEP bit of Cortex System Control Register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	450 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	451 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	452
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	453 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	454 * @brief Enters Standby mode.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	455 * @note In Standby mode, all I/O pins are high impedance except for:
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	456 * - Reset pad (still available)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	457 * - RTC_AF1 pin (PC13) if configured for tamper, time-stamp, RTC
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	458 * Alarm out, or RTC clock calibration out.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	459 * - RTC_AF2 pin (PI8) if configured for tamper or time-stamp.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	460 * - WKUP pin 1 (PA0) if enabled.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	461 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	462 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	463 void HAL_PWR_EnterSTANDBYMode(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	464 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	465 /* Select Standby mode */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	466 SET_BIT(PWR->CR, PWR_CR_PDDS);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	467
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	468 /* Set SLEEPDEEP bit of Cortex System Control Register */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	469 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	470
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	471 /* This option is used to ensure that store operations are completed */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	472 #if defined ( __CC_ARM)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	473 __force_stores();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	474 #endif
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	475 /* Request Wait For Interrupt */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	476 __WFI();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	477 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	478
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	479 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	480 * @brief This function handles the PWR PVD interrupt request.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	481 * @note This API should be called under the PVD_IRQHandler().
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	482 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	483 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	484 void HAL_PWR_PVD_IRQHandler(void)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	485 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	486 /* Check PWR Exti flag */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	487 if(__HAL_PWR_PVD_EXTI_GET_FLAG() != RESET)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	488 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	489 /* PWR PVD interrupt user callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	490 HAL_PWR_PVDCallback();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	491
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	492 /* Clear PWR Exti pending bit */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	493 __HAL_PWR_PVD_EXTI_CLEAR_FLAG();
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	494 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	495 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	496
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	497 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	498 * @brief PWR PVD interrupt callback
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	499 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure Ideenmodellierer parents: diff changeset	500 */

128

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1 /**

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2 ******************************************************************************

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3 * @file stm32f4xx_hal_pwr.c

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4 * @author MCD Application Team

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5 * @brief PWR HAL module driver.

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6 * This file provides firmware functions to manage the following

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7 * functionalities of the Power Controller (PWR) peripheral:

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8 * + Initialization and de-initialization functions

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9 * + Peripheral Control functions

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10 *

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11 ******************************************************************************

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12 * @attention

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13 *

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c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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15 *

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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16 * Redistribution and use in source and binary forms, with or without modification,

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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17 * are permitted provided that the following conditions are met:

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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18 * 1. Redistributions of source code must retain the above copyright notice,

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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19 * this list of conditions and the following disclaimer.

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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20 * 2. Redistributions in binary form must reproduce the above copyright notice,

c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure

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21 * this list of conditions and the following disclaimer in the documentation

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22 * and/or other materials provided with the distribution.

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23 * 3. Neither the name of STMicroelectronics nor the names of its contributors

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24 * may be used to endorse or promote products derived from this software

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25 * without specific prior written permission.

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26 *

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27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

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28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

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30 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

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31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

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32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

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33 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

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34 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

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35 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

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36 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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37 *

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38 ******************************************************************************

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39 */

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40

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

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42 #include "stm32f4xx_hal.h"

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43

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44 /** @addtogroup STM32F4xx_HAL_Driver

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45 * @{

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46 */

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47

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48 /** @defgroup PWR PWR

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49 * @brief PWR HAL module driver

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50 * @{

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51 */

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52

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53 #ifdef HAL_PWR_MODULE_ENABLED

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54

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55 /* Private typedef -----------------------------------------------------------*/

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56 /* Private define ------------------------------------------------------------*/

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57 /** @addtogroup PWR_Private_Constants

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58 * @{

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59 */

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60

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61 /** @defgroup PWR_PVD_Mode_Mask PWR PVD Mode Mask

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62 * @{

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63 */

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64 #define PVD_MODE_IT 0x00010000U

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65 #define PVD_MODE_EVT 0x00020000U

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66 #define PVD_RISING_EDGE 0x00000001U

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67 #define PVD_FALLING_EDGE 0x00000002U

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68 /**

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69 * @}

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70 */

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71

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72 /**

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73 * @}

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74 */

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75 /* Private macro -------------------------------------------------------------*/

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76 /* Private variables ---------------------------------------------------------*/

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77 /* Private function prototypes -----------------------------------------------*/

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78 /* Private functions ---------------------------------------------------------*/

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79

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80 /** @defgroup PWR_Exported_Functions PWR Exported Functions

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81 * @{

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82 */

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83

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84 /** @defgroup PWR_Exported_Functions_Group1 Initialization and de-initialization functions

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85 * @brief Initialization and de-initialization functions

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86 *

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87 @verbatim

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88 ===============================================================================

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89 ##### Initialization and de-initialization functions #####

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90 ===============================================================================

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91 [..]

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92 After reset, the backup domain (RTC registers, RTC backup data

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93 registers and backup SRAM) is protected against possible unwanted

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94 write accesses.

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95 To enable access to the RTC Domain and RTC registers, proceed as follows:

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96 (+) Enable the Power Controller (PWR) APB1 interface clock using the

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97 __HAL_RCC_PWR_CLK_ENABLE() macro.

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98 (+) Enable access to RTC domain using the HAL_PWR_EnableBkUpAccess() function.

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99

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100 @endverbatim

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101 * @{

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102 */

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103

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104 /**

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105 * @brief Deinitializes the HAL PWR peripheral registers to their default reset values.

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106 * @retval None

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107 */

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108 void HAL_PWR_DeInit(void)

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109 {

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110 __HAL_RCC_PWR_FORCE_RESET();

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111 __HAL_RCC_PWR_RELEASE_RESET();

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112 }

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113

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114 /**

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115 * @brief Enables access to the backup domain (RTC registers, RTC

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116 * backup data registers and backup SRAM).

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117 * @note If the HSE divided by 2, 3, ..31 is used as the RTC clock, the

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118 * Backup Domain Access should be kept enabled.

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119 * @retval None

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120 */

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121 void HAL_PWR_EnableBkUpAccess(void)

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122 {

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123 *(__IO uint32_t *) CR_DBP_BB = (uint32_t)ENABLE;

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124 }

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125

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126 /**

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127 * @brief Disables access to the backup domain (RTC registers, RTC

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128 * backup data registers and backup SRAM).

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129 * @note If the HSE divided by 2, 3, ..31 is used as the RTC clock, the

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130 * Backup Domain Access should be kept enabled.

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131 * @retval None

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132 */

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133 void HAL_PWR_DisableBkUpAccess(void)

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134 {

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135 *(__IO uint32_t *) CR_DBP_BB = (uint32_t)DISABLE;

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136 }

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137

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138 /**

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139 * @}

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140 */

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141

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142 /** @defgroup PWR_Exported_Functions_Group2 Peripheral Control functions

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143 * @brief Low Power modes configuration functions

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144 *

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145 @verbatim

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146

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147 ===============================================================================

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148 ##### Peripheral Control functions #####

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149 ===============================================================================

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150

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151 *** PVD configuration ***

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152 =========================

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153 [..]

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154 (+) The PVD is used to monitor the VDD power supply by comparing it to a

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155 threshold selected by the PVD Level (PLS[2:0] bits in the PWR_CR).

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156 (+) A PVDO flag is available to indicate if VDD/VDDA is higher or lower

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157 than the PVD threshold. This event is internally connected to the EXTI

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158 line16 and can generate an interrupt if enabled. This is done through

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159 __HAL_PWR_PVD_EXTI_ENABLE_IT() macro.

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160 (+) The PVD is stopped in Standby mode.

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161

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162 *** Wake-up pin configuration ***

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163 ================================

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164 [..]

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165 (+) Wake-up pin is used to wake up the system from Standby mode. This pin is

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166 forced in input pull-down configuration and is active on rising edges.

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167 (+) There is one Wake-up pin: Wake-up Pin 1 on PA.00.

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168 (++) For STM32F446xx there are two Wake-Up pins: Pin1 on PA.00 and Pin2 on PC.13

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169 (++) For STM32F410xx/STM32F412xx/STM32F413xx/STM32F423xx there are three Wake-Up pins: Pin1 on PA.00, Pin2 on PC.00 and Pin3 on PC.01

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170

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171 *** Low Power modes configuration ***

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172 =====================================

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173 [..]

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174 The devices feature 3 low-power modes:

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175 (+) Sleep mode: Cortex-M4 core stopped, peripherals kept running.

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176 (+) Stop mode: all clocks are stopped, regulator running, regulator

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177 in low power mode

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178 (+) Standby mode: 1.2V domain powered off.

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179

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180 *** Sleep mode ***

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181 ==================

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182 [..]

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183 (+) Entry:

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184 The Sleep mode is entered by using the HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI)

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185 functions with

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186 (++) PWR_SLEEPENTRY_WFI: enter SLEEP mode with WFI instruction

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187 (++) PWR_SLEEPENTRY_WFE: enter SLEEP mode with WFE instruction

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188

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189 -@@- The Regulator parameter is not used for the STM32F4 family

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190 and is kept as parameter just to maintain compatibility with the

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191 lower power families (STM32L).

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192 (+) Exit:

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193 Any peripheral interrupt acknowledged by the nested vectored interrupt

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194 controller (NVIC) can wake up the device from Sleep mode.

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195

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196 *** Stop mode ***

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197 =================

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198 [..]

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199 In Stop mode, all clocks in the 1.2V domain are stopped, the PLL, the HSI,

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200 and the HSE RC oscillators are disabled. Internal SRAM and register contents

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201 are preserved.

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202 The voltage regulator can be configured either in normal or low-power mode.

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203 To minimize the consumption In Stop mode, FLASH can be powered off before

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204 entering the Stop mode using the HAL_PWREx_EnableFlashPowerDown() function.

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205 It can be switched on again by software after exiting the Stop mode using

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206 the HAL_PWREx_DisableFlashPowerDown() function.

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207

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208 (+) Entry:

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209 The Stop mode is entered using the HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON)

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210 function with:

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211 (++) Main regulator ON.

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212 (++) Low Power regulator ON.

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213 (+) Exit:

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214 Any EXTI Line (Internal or External) configured in Interrupt/Event mode.

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215

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216 *** Standby mode ***

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217 ====================

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218 [..]

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219 (+)

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220 The Standby mode allows to achieve the lowest power consumption. It is based

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221 on the Cortex-M4 deep sleep mode, with the voltage regulator disabled.

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222 The 1.2V domain is consequently powered off. The PLL, the HSI oscillator and

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223 the HSE oscillator are also switched off. SRAM and register contents are lost

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224 except for the RTC registers, RTC backup registers, backup SRAM and Standby

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225 circuitry.

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226

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227 The voltage regulator is OFF.

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228

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229 (++) Entry:

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230 (+++) The Standby mode is entered using the HAL_PWR_EnterSTANDBYMode() function.

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231 (++) Exit:

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232 (+++) WKUP pin rising edge, RTC alarm (Alarm A and Alarm B), RTC wake-up,

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233 tamper event, time-stamp event, external reset in NRST pin, IWDG reset.

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234

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235 *** Auto-wake-up (AWU) from low-power mode ***

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236 =============================================

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237 [..]

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238

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239 (+) The MCU can be woken up from low-power mode by an RTC Alarm event, an RTC

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240 Wake-up event, a tamper event or a time-stamp event, without depending on

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241 an external interrupt (Auto-wake-up mode).

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242

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243 (+) RTC auto-wake-up (AWU) from the Stop and Standby modes

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244

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245 (++) To wake up from the Stop mode with an RTC alarm event, it is necessary to

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246 configure the RTC to generate the RTC alarm using the HAL_RTC_SetAlarm_IT() function.

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247

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248 (++) To wake up from the Stop mode with an RTC Tamper or time stamp event, it

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249 is necessary to configure the RTC to detect the tamper or time stamp event using the

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250 HAL_RTCEx_SetTimeStamp_IT() or HAL_RTCEx_SetTamper_IT() functions.

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251

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252 (++) To wake up from the Stop mode with an RTC Wake-up event, it is necessary to

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253 configure the RTC to generate the RTC Wake-up event using the HAL_RTCEx_SetWakeUpTimer_IT() function.

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254

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255 @endverbatim

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256 * @{

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257 */

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258

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259 /**

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260 * @brief Configures the voltage threshold detected by the Power Voltage Detector(PVD).

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261 * @param sConfigPVD pointer to an PWR_PVDTypeDef structure that contains the configuration

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262 * information for the PVD.

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263 * @note Refer to the electrical characteristics of your device datasheet for

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264 * more details about the voltage threshold corresponding to each

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265 * detection level.

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266 * @retval None

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267 */

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268 void HAL_PWR_ConfigPVD(PWR_PVDTypeDef *sConfigPVD)

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269 {

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270 /* Check the parameters */

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271 assert_param(IS_PWR_PVD_LEVEL(sConfigPVD->PVDLevel));

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272 assert_param(IS_PWR_PVD_MODE(sConfigPVD->Mode));

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273

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274 /* Set PLS[7:5] bits according to PVDLevel value */

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275 MODIFY_REG(PWR->CR, PWR_CR_PLS, sConfigPVD->PVDLevel);

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276

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277 /* Clear any previous config. Keep it clear if no event or IT mode is selected */

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278 __HAL_PWR_PVD_EXTI_DISABLE_EVENT();

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279 __HAL_PWR_PVD_EXTI_DISABLE_IT();

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280 __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE();

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281 __HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE();

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282

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283 /* Configure interrupt mode */

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284 if((sConfigPVD->Mode & PVD_MODE_IT) == PVD_MODE_IT)

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285 {

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286 __HAL_PWR_PVD_EXTI_ENABLE_IT();

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287 }

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288

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289 /* Configure event mode */

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290 if((sConfigPVD->Mode & PVD_MODE_EVT) == PVD_MODE_EVT)

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291 {

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292 __HAL_PWR_PVD_EXTI_ENABLE_EVENT();

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293 }

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294

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295 /* Configure the edge */

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296 if((sConfigPVD->Mode & PVD_RISING_EDGE) == PVD_RISING_EDGE)

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297 {

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298 __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE();

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299 }

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300

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301 if((sConfigPVD->Mode & PVD_FALLING_EDGE) == PVD_FALLING_EDGE)

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302 {

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303 __HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE();

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304 }

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305 }

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306

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307 /**

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308 * @brief Enables the Power Voltage Detector(PVD).

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309 * @retval None

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310 */

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311 void HAL_PWR_EnablePVD(void)

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312 {

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313 *(__IO uint32_t *) CR_PVDE_BB = (uint32_t)ENABLE;

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314 }

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315

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316 /**

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317 * @brief Disables the Power Voltage Detector(PVD).

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318 * @retval None

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319 */

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320 void HAL_PWR_DisablePVD(void)

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321 {

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322 *(__IO uint32_t *) CR_PVDE_BB = (uint32_t)DISABLE;

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323 }

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324

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325 /**

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326 * @brief Enables the Wake-up PINx functionality.

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327 * @param WakeUpPinx Specifies the Power Wake-Up pin to enable.

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328 * This parameter can be one of the following values:

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329 * @arg PWR_WAKEUP_PIN1

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330 * @arg PWR_WAKEUP_PIN2 available only on STM32F410xx/STM32F446xx/STM32F412xx/STM32F413xx/STM32F423xx devices

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331 * @arg PWR_WAKEUP_PIN3 available only on STM32F410xx/STM32F412xx/STM32F413xx/STM32F423xx devices

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332 * @retval None

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333 */

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334 void HAL_PWR_EnableWakeUpPin(uint32_t WakeUpPinx)

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335 {

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336 /* Check the parameter */

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337 assert_param(IS_PWR_WAKEUP_PIN(WakeUpPinx));

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338

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339 /* Enable the wake up pin */

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340 SET_BIT(PWR->CSR, WakeUpPinx);

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341 }

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342

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343 /**

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344 * @brief Disables the Wake-up PINx functionality.

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345 * @param WakeUpPinx Specifies the Power Wake-Up pin to disable.

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346 * This parameter can be one of the following values:

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347 * @arg PWR_WAKEUP_PIN1

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348 * @arg PWR_WAKEUP_PIN2 available only on STM32F410xx/STM32F446xx/STM32F412xx/STM32F413xx/STM32F423xx devices

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349 * @arg PWR_WAKEUP_PIN3 available only on STM32F410xx/STM32F412xx/STM32F413xx/STM32F423xx devices

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350 * @retval None

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351 */

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352 void HAL_PWR_DisableWakeUpPin(uint32_t WakeUpPinx)

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353 {

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354 /* Check the parameter */

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355 assert_param(IS_PWR_WAKEUP_PIN(WakeUpPinx));

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356

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357 /* Disable the wake up pin */

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358 CLEAR_BIT(PWR->CSR, WakeUpPinx);

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359 }

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360

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361 /**

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362 * @brief Enters Sleep mode.

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363 *

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364 * @note In Sleep mode, all I/O pins keep the same state as in Run mode.

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365 *

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366 * @note In Sleep mode, the systick is stopped to avoid exit from this mode with

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367 * systick interrupt when used as time base for Timeout

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368 *

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369 * @param Regulator Specifies the regulator state in SLEEP mode.

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370 * This parameter can be one of the following values:

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371 * @arg PWR_MAINREGULATOR_ON: SLEEP mode with regulator ON

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372 * @arg PWR_LOWPOWERREGULATOR_ON: SLEEP mode with low power regulator ON

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373 * @note This parameter is not used for the STM32F4 family and is kept as parameter

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374 * just to maintain compatibility with the lower power families.

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375 * @param SLEEPEntry Specifies if SLEEP mode in entered with WFI or WFE instruction.

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376 * This parameter can be one of the following values:

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377 * @arg PWR_SLEEPENTRY_WFI: enter SLEEP mode with WFI instruction

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378 * @arg PWR_SLEEPENTRY_WFE: enter SLEEP mode with WFE instruction

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379 * @retval None

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380 */

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381 void HAL_PWR_EnterSLEEPMode(uint32_t Regulator, uint8_t SLEEPEntry)

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382 {

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383 /* Check the parameters */

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384 assert_param(IS_PWR_REGULATOR(Regulator));

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385 assert_param(IS_PWR_SLEEP_ENTRY(SLEEPEntry));

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386

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387 /* Clear SLEEPDEEP bit of Cortex System Control Register */

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388 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));

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389

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390 /* Select SLEEP mode entry -------------------------------------------------*/

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391 if(SLEEPEntry == PWR_SLEEPENTRY_WFI)

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392 {

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393 /* Request Wait For Interrupt */

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394 __WFI();

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395 }

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396 else

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397 {

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398 /* Request Wait For Event */

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399 __SEV();

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400 __WFE();

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401 __WFE();

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402 }

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403 }

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404

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405 /**

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406 * @brief Enters Stop mode.

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407 * @note In Stop mode, all I/O pins keep the same state as in Run mode.

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408 * @note When exiting Stop mode by issuing an interrupt or a wake-up event,

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409 * the HSI RC oscillator is selected as system clock.

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410 * @note When the voltage regulator operates in low power mode, an additional

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411 * startup delay is incurred when waking up from Stop mode.

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412 * By keeping the internal regulator ON during Stop mode, the consumption

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413 * is higher although the startup time is reduced.

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414 * @param Regulator Specifies the regulator state in Stop mode.

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415 * This parameter can be one of the following values:

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416 * @arg PWR_MAINREGULATOR_ON: Stop mode with regulator ON

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417 * @arg PWR_LOWPOWERREGULATOR_ON: Stop mode with low power regulator ON

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418 * @param STOPEntry Specifies if Stop mode in entered with WFI or WFE instruction.

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419 * This parameter can be one of the following values:

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420 * @arg PWR_STOPENTRY_WFI: Enter Stop mode with WFI instruction

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421 * @arg PWR_STOPENTRY_WFE: Enter Stop mode with WFE instruction

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422 * @retval None

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423 */

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424 void HAL_PWR_EnterSTOPMode(uint32_t Regulator, uint8_t STOPEntry)

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425 {

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426 /* Check the parameters */

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427 assert_param(IS_PWR_REGULATOR(Regulator));

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428 assert_param(IS_PWR_STOP_ENTRY(STOPEntry));

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429

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430 /* Select the regulator state in Stop mode: Set PDDS and LPDS bits according to PWR_Regulator value */

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

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432

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433 /* Set SLEEPDEEP bit of Cortex System Control Register */

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434 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));

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435

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436 /* Select Stop mode entry --------------------------------------------------*/

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437 if(STOPEntry == PWR_STOPENTRY_WFI)

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438 {

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439 /* Request Wait For Interrupt */

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440 __WFI();

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441 }

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442 else

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443 {

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444 /* Request Wait For Event */

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445 __SEV();

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446 __WFE();

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447 __WFE();

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448 }

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449 /* Reset SLEEPDEEP bit of Cortex System Control Register */

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450 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));

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451 }

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452

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453 /**

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454 * @brief Enters Standby mode.

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455 * @note In Standby mode, all I/O pins are high impedance except for:

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456 * - Reset pad (still available)

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457 * - RTC_AF1 pin (PC13) if configured for tamper, time-stamp, RTC

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458 * Alarm out, or RTC clock calibration out.

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459 * - RTC_AF2 pin (PI8) if configured for tamper or time-stamp.

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460 * - WKUP pin 1 (PA0) if enabled.

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461 * @retval None

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462 */

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463 void HAL_PWR_EnterSTANDBYMode(void)

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464 {

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465 /* Select Standby mode */

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466 SET_BIT(PWR->CR, PWR_CR_PDDS);

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467

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468 /* Set SLEEPDEEP bit of Cortex System Control Register */

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469 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));

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470

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471 /* This option is used to ensure that store operations are completed */

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472 #if defined ( __CC_ARM)

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473 __force_stores();

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474 #endif

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475 /* Request Wait For Interrupt */

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476 __WFI();

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477 }

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478

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479 /**

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480 * @brief This function handles the PWR PVD interrupt request.

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481 * @note This API should be called under the PVD_IRQHandler().

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482 * @retval None

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483 */

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484 void HAL_PWR_PVD_IRQHandler(void)

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485 {

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486 /* Check PWR Exti flag */

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487 if(__HAL_PWR_PVD_EXTI_GET_FLAG() != RESET)

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488 {

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489 /* PWR PVD interrupt user callback */

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490 HAL_PWR_PVDCallback();

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491

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492 /* Clear PWR Exti pending bit */

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493 __HAL_PWR_PVD_EXTI_CLEAR_FLAG();

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494 }

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495 }

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496

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497 /**

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498 * @brief PWR PVD interrupt callback

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499 * @retval None

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500 */

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501 __weak void HAL_PWR_PVDCallback(void)

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502 {

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503 /* NOTE : This function Should not be modified, when the callback is needed,

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504 the HAL_PWR_PVDCallback could be implemented in the user file

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505 */

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506 }

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507

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508 /**

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509 * @brief Indicates Sleep-On-Exit when returning from Handler mode to Thread mode.

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510 * @note Set SLEEPONEXIT bit of SCR register. When this bit is set, the processor

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511 * re-enters SLEEP mode when an interruption handling is over.

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512 * Setting this bit is useful when the processor is expected to run only on

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513 * interruptions handling.

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514 * @retval None

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515 */

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516 void HAL_PWR_EnableSleepOnExit(void)

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517 {

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518 /* Set SLEEPONEXIT bit of Cortex System Control Register */

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519 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPONEXIT_Msk));

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520 }

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521

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522 /**

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523 * @brief Disables Sleep-On-Exit feature when returning from Handler mode to Thread mode.

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524 * @note Clears SLEEPONEXIT bit of SCR register. When this bit is set, the processor

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525 * re-enters SLEEP mode when an interruption handling is over.

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526 * @retval None

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527 */

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528 void HAL_PWR_DisableSleepOnExit(void)

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529 {

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530 /* Clear SLEEPONEXIT bit of Cortex System Control Register */

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531 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPONEXIT_Msk));

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532 }

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533

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534 /**

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535 * @brief Enables CORTEX M4 SEVONPEND bit.

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536 * @note Sets SEVONPEND bit of SCR register. When this bit is set, this causes

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537 * WFE to wake up when an interrupt moves from inactive to pended.

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538 * @retval None

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539 */

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540 void HAL_PWR_EnableSEVOnPend(void)

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541 {

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542 /* Set SEVONPEND bit of Cortex System Control Register */

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543 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SEVONPEND_Msk));

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544 }

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545

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546 /**

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547 * @brief Disables CORTEX M4 SEVONPEND bit.

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548 * @note Clears SEVONPEND bit of SCR register. When this bit is set, this causes

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549 * WFE to wake up when an interrupt moves from inactive to pended.

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550 * @retval None

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551 */

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552 void HAL_PWR_DisableSEVOnPend(void)

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553 {

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554 /* Clear SEVONPEND bit of Cortex System Control Register */

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555 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SEVONPEND_Msk));

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556 }

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557

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558 /**

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559 * @}

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560 */

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561

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562 /**

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563 * @}

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564 */

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565

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566 #endif /* HAL_PWR_MODULE_ENABLED */

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567 /**

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568 * @}

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569 */

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570

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571 /**

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572 * @}

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573 */

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574

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

Mercurial > public > ostc4

annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c @ 978:57b82ae99969 Evo_2_23