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targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_pwr.c@637:ed69428d4850, 2015-12-22 (annotated)

Committer:
jaerts
Date:
Tue Dec 22 13:22:16 2015 +0000
Revision:
637:ed69428d4850
Parent:
610:813dcc80987e 
Add very shady LPC1768 CAN Filter implementation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 573:ad23fe03a082 1 /**
mbed_official 573:ad23fe03a082 2 ******************************************************************************
mbed_official 573:ad23fe03a082 3 * @file stm32f7xx_hal_pwr.c
mbed_official 573:ad23fe03a082 4 * @author MCD Application Team
mbed_official 610:813dcc80987e 5 * @version V1.0.1
mbed_official 610:813dcc80987e 6 * @date 25-June-2015
mbed_official 573:ad23fe03a082 7 * @brief PWR HAL module driver.
mbed_official 573:ad23fe03a082 8 * This file provides firmware functions to manage the following
mbed_official 573:ad23fe03a082 9 * functionalities of the Power Controller (PWR) peripheral:
mbed_official 573:ad23fe03a082 10 * + Initialization and de-initialization functions
mbed_official 573:ad23fe03a082 11 * + Peripheral Control functions
mbed_official 573:ad23fe03a082 12 *
mbed_official 573:ad23fe03a082 13 ******************************************************************************
mbed_official 573:ad23fe03a082 14 * @attention
mbed_official 573:ad23fe03a082 15 *
mbed_official 573:ad23fe03a082 16 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
mbed_official 573:ad23fe03a082 17 *
mbed_official 573:ad23fe03a082 18 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 573:ad23fe03a082 19 * are permitted provided that the following conditions are met:
mbed_official 573:ad23fe03a082 20 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 573:ad23fe03a082 21 * this list of conditions and the following disclaimer.
mbed_official 573:ad23fe03a082 22 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 573:ad23fe03a082 23 * this list of conditions and the following disclaimer in the documentation
mbed_official 573:ad23fe03a082 24 * and/or other materials provided with the distribution.
mbed_official 573:ad23fe03a082 25 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 573:ad23fe03a082 26 * may be used to endorse or promote products derived from this software
mbed_official 573:ad23fe03a082 27 * without specific prior written permission.
mbed_official 573:ad23fe03a082 28 *
mbed_official 573:ad23fe03a082 29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 573:ad23fe03a082 30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 573:ad23fe03a082 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 573:ad23fe03a082 32 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 573:ad23fe03a082 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 573:ad23fe03a082 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 573:ad23fe03a082 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 573:ad23fe03a082 36 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 573:ad23fe03a082 37 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 573:ad23fe03a082 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 573:ad23fe03a082 39 *
mbed_official 573:ad23fe03a082 40 ******************************************************************************
mbed_official 573:ad23fe03a082 41 */
mbed_official 573:ad23fe03a082 42
mbed_official 573:ad23fe03a082 43 /* Includes ------------------------------------------------------------------*/
mbed_official 573:ad23fe03a082 44 #include "stm32f7xx_hal.h"
mbed_official 573:ad23fe03a082 45
mbed_official 573:ad23fe03a082 46 /** @addtogroup STM32F7xx_HAL_Driver
mbed_official 573:ad23fe03a082 47 * @{
mbed_official 573:ad23fe03a082 48 */
mbed_official 573:ad23fe03a082 49
mbed_official 573:ad23fe03a082 50 /** @defgroup PWR PWR
mbed_official 573:ad23fe03a082 51 * @brief PWR HAL module driver
mbed_official 573:ad23fe03a082 52 * @{
mbed_official 573:ad23fe03a082 53 */
mbed_official 573:ad23fe03a082 54
mbed_official 573:ad23fe03a082 55 #ifdef HAL_PWR_MODULE_ENABLED
mbed_official 573:ad23fe03a082 56
mbed_official 573:ad23fe03a082 57 /* Private typedef -----------------------------------------------------------*/
mbed_official 573:ad23fe03a082 58 /* Private define ------------------------------------------------------------*/
mbed_official 573:ad23fe03a082 59 /** @addtogroup PWR_Private_Constants
mbed_official 573:ad23fe03a082 60 * @{
mbed_official 573:ad23fe03a082 61 */
mbed_official 573:ad23fe03a082 62
mbed_official 573:ad23fe03a082 63 /** @defgroup PWR_PVD_Mode_Mask PWR PVD Mode Mask
mbed_official 573:ad23fe03a082 64 * @{
mbed_official 573:ad23fe03a082 65 */
mbed_official 573:ad23fe03a082 66 #define PVD_MODE_IT ((uint32_t)0x00010000)
mbed_official 573:ad23fe03a082 67 #define PVD_MODE_EVT ((uint32_t)0x00020000)
mbed_official 573:ad23fe03a082 68 #define PVD_RISING_EDGE ((uint32_t)0x00000001)
mbed_official 573:ad23fe03a082 69 #define PVD_FALLING_EDGE ((uint32_t)0x00000002)
mbed_official 573:ad23fe03a082 70 /**
mbed_official 573:ad23fe03a082 71 * @}
mbed_official 573:ad23fe03a082 72 */
mbed_official 573:ad23fe03a082 73
mbed_official 573:ad23fe03a082 74 /** @defgroup PWR_ENABLE_WUP_Mask PWR Enable WUP Mask
mbed_official 573:ad23fe03a082 75 * @{
mbed_official 573:ad23fe03a082 76 */
mbed_official 573:ad23fe03a082 77 #define PWR_EWUP_MASK ((uint32_t)0x00003F00)
mbed_official 573:ad23fe03a082 78 /**
mbed_official 573:ad23fe03a082 79 * @}
mbed_official 573:ad23fe03a082 80 */
mbed_official 573:ad23fe03a082 81
mbed_official 573:ad23fe03a082 82 /**
mbed_official 573:ad23fe03a082 83 * @}
mbed_official 573:ad23fe03a082 84 */
mbed_official 573:ad23fe03a082 85 /* Private macro -------------------------------------------------------------*/
mbed_official 573:ad23fe03a082 86 /* Private variables ---------------------------------------------------------*/
mbed_official 573:ad23fe03a082 87 /* Private function prototypes -----------------------------------------------*/
mbed_official 573:ad23fe03a082 88 /* Private functions ---------------------------------------------------------*/
mbed_official 573:ad23fe03a082 89
mbed_official 573:ad23fe03a082 90 /** @defgroup PWR_Exported_Functions PWR Exported Functions
mbed_official 573:ad23fe03a082 91 * @{
mbed_official 573:ad23fe03a082 92 */
mbed_official 573:ad23fe03a082 93
mbed_official 573:ad23fe03a082 94 /** @defgroup PWR_Exported_Functions_Group1 Initialization and de-initialization functions
mbed_official 573:ad23fe03a082 95 * @brief Initialization and de-initialization functions
mbed_official 573:ad23fe03a082 96 *
mbed_official 573:ad23fe03a082 97 @verbatim
mbed_official 573:ad23fe03a082 98 ===============================================================================
mbed_official 573:ad23fe03a082 99 ##### Initialization and de-initialization functions #####
mbed_official 573:ad23fe03a082 100 ===============================================================================
mbed_official 573:ad23fe03a082 101 [..]
mbed_official 573:ad23fe03a082 102 After reset, the backup domain (RTC registers, RTC backup data
mbed_official 573:ad23fe03a082 103 registers and backup SRAM) is protected against possible unwanted
mbed_official 573:ad23fe03a082 104 write accesses.
mbed_official 573:ad23fe03a082 105 To enable access to the RTC Domain and RTC registers, proceed as follows:
mbed_official 573:ad23fe03a082 106 (+) Enable the Power Controller (PWR) APB1 interface clock using the
mbed_official 573:ad23fe03a082 107 __HAL_RCC_PWR_CLK_ENABLE() macro.
mbed_official 573:ad23fe03a082 108 (+) Enable access to RTC domain using the HAL_PWR_EnableBkUpAccess() function.
mbed_official 573:ad23fe03a082 109
mbed_official 573:ad23fe03a082 110 @endverbatim
mbed_official 573:ad23fe03a082 111 * @{
mbed_official 573:ad23fe03a082 112 */
mbed_official 573:ad23fe03a082 113
mbed_official 573:ad23fe03a082 114 /**
mbed_official 573:ad23fe03a082 115 * @brief Deinitializes the HAL PWR peripheral registers to their default reset values.
mbed_official 573:ad23fe03a082 116 * @retval None
mbed_official 573:ad23fe03a082 117 */
mbed_official 573:ad23fe03a082 118 void HAL_PWR_DeInit(void)
mbed_official 573:ad23fe03a082 119 {
mbed_official 573:ad23fe03a082 120 __HAL_RCC_PWR_FORCE_RESET();
mbed_official 573:ad23fe03a082 121 __HAL_RCC_PWR_RELEASE_RESET();
mbed_official 573:ad23fe03a082 122 }
mbed_official 573:ad23fe03a082 123
mbed_official 573:ad23fe03a082 124 /**
mbed_official 573:ad23fe03a082 125 * @brief Enables access to the backup domain (RTC registers, RTC
mbed_official 573:ad23fe03a082 126 * backup data registers and backup SRAM).
mbed_official 573:ad23fe03a082 127 * @note If the HSE divided by 2, 3, ..31 is used as the RTC clock, the
mbed_official 573:ad23fe03a082 128 * Backup Domain Access should be kept enabled.
mbed_official 573:ad23fe03a082 129 * @retval None
mbed_official 573:ad23fe03a082 130 */
mbed_official 573:ad23fe03a082 131 void HAL_PWR_EnableBkUpAccess(void)
mbed_official 573:ad23fe03a082 132 {
mbed_official 573:ad23fe03a082 133 /* Enable access to RTC and backup registers */
mbed_official 573:ad23fe03a082 134 SET_BIT(PWR->CR1, PWR_CR1_DBP);
mbed_official 573:ad23fe03a082 135 }
mbed_official 573:ad23fe03a082 136
mbed_official 573:ad23fe03a082 137 /**
mbed_official 573:ad23fe03a082 138 * @brief Disables access to the backup domain (RTC registers, RTC
mbed_official 573:ad23fe03a082 139 * backup data registers and backup SRAM).
mbed_official 573:ad23fe03a082 140 * @note If the HSE divided by 2, 3, ..31 is used as the RTC clock, the
mbed_official 573:ad23fe03a082 141 * Backup Domain Access should be kept enabled.
mbed_official 573:ad23fe03a082 142 * @retval None
mbed_official 573:ad23fe03a082 143 */
mbed_official 573:ad23fe03a082 144 void HAL_PWR_DisableBkUpAccess(void)
mbed_official 573:ad23fe03a082 145 {
mbed_official 573:ad23fe03a082 146 /* Disable access to RTC and backup registers */
mbed_official 573:ad23fe03a082 147 CLEAR_BIT(PWR->CR1, PWR_CR1_DBP);
mbed_official 573:ad23fe03a082 148 }
mbed_official 573:ad23fe03a082 149
mbed_official 573:ad23fe03a082 150 /**
mbed_official 573:ad23fe03a082 151 * @}
mbed_official 573:ad23fe03a082 152 */
mbed_official 573:ad23fe03a082 153
mbed_official 573:ad23fe03a082 154 /** @defgroup PWR_Exported_Functions_Group2 Peripheral Control functions
mbed_official 573:ad23fe03a082 155 * @brief Low Power modes configuration functions
mbed_official 573:ad23fe03a082 156 *
mbed_official 573:ad23fe03a082 157 @verbatim
mbed_official 573:ad23fe03a082 158
mbed_official 573:ad23fe03a082 159 ===============================================================================
mbed_official 573:ad23fe03a082 160 ##### Peripheral Control functions #####
mbed_official 573:ad23fe03a082 161 ===============================================================================
mbed_official 573:ad23fe03a082 162
mbed_official 573:ad23fe03a082 163 *** PVD configuration ***
mbed_official 573:ad23fe03a082 164 =========================
mbed_official 573:ad23fe03a082 165 [..]
mbed_official 573:ad23fe03a082 166 (+) The PVD is used to monitor the VDD power supply by comparing it to a
mbed_official 573:ad23fe03a082 167 threshold selected by the PVD Level (PLS[2:0] bits in the PWR_CR).
mbed_official 573:ad23fe03a082 168 (+) A PVDO flag is available to indicate if VDD/VDDA is higher or lower
mbed_official 573:ad23fe03a082 169 than the PVD threshold. This event is internally connected to the EXTI
mbed_official 573:ad23fe03a082 170 line16 and can generate an interrupt if enabled. This is done through
mbed_official 573:ad23fe03a082 171 __HAL_PWR_PVD_EXTI_ENABLE_IT() macro.
mbed_official 573:ad23fe03a082 172 (+) The PVD is stopped in Standby mode.
mbed_official 573:ad23fe03a082 173
mbed_official 573:ad23fe03a082 174 *** Wake-up pin configuration ***
mbed_official 573:ad23fe03a082 175 ================================
mbed_official 573:ad23fe03a082 176 [..]
mbed_official 573:ad23fe03a082 177 (+) Wake-up pin is used to wake up the system from Standby mode. This pin is
mbed_official 573:ad23fe03a082 178 forced in input pull-down configuration and is active on rising edges.
mbed_official 573:ad23fe03a082 179 (+) There are to 6 Wake-up pin in the STM32F7 devices family
mbed_official 573:ad23fe03a082 180
mbed_official 573:ad23fe03a082 181 *** Low Power modes configuration ***
mbed_official 573:ad23fe03a082 182 =====================================
mbed_official 573:ad23fe03a082 183 [..]
mbed_official 573:ad23fe03a082 184 The devices feature 3 low-power modes:
mbed_official 573:ad23fe03a082 185 (+) Sleep mode: Cortex-M7 core stopped, peripherals kept running.
mbed_official 573:ad23fe03a082 186 (+) Stop mode: all clocks are stopped, regulator running, regulator
mbed_official 573:ad23fe03a082 187 in low power mode
mbed_official 573:ad23fe03a082 188 (+) Standby mode: 1.2V domain powered off.
mbed_official 573:ad23fe03a082 189
mbed_official 573:ad23fe03a082 190 *** Sleep mode ***
mbed_official 573:ad23fe03a082 191 ==================
mbed_official 573:ad23fe03a082 192 [..]
mbed_official 573:ad23fe03a082 193 (+) Entry:
mbed_official 573:ad23fe03a082 194 The Sleep mode is entered by using the HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI)
mbed_official 573:ad23fe03a082 195 functions with
mbed_official 573:ad23fe03a082 196 (++) PWR_SLEEPENTRY_WFI: enter SLEEP mode with WFI instruction
mbed_official 573:ad23fe03a082 197 (++) PWR_SLEEPENTRY_WFE: enter SLEEP mode with WFE instruction
mbed_official 573:ad23fe03a082 198
mbed_official 573:ad23fe03a082 199 -@@- The Regulator parameter is not used for the STM32F7 family
mbed_official 573:ad23fe03a082 200 and is kept as parameter just to maintain compatibility with the
mbed_official 573:ad23fe03a082 201 lower power families (STM32L).
mbed_official 573:ad23fe03a082 202 (+) Exit:
mbed_official 573:ad23fe03a082 203 Any peripheral interrupt acknowledged by the nested vectored interrupt
mbed_official 573:ad23fe03a082 204 controller (NVIC) can wake up the device from Sleep mode.
mbed_official 573:ad23fe03a082 205
mbed_official 573:ad23fe03a082 206 *** Stop mode ***
mbed_official 573:ad23fe03a082 207 =================
mbed_official 573:ad23fe03a082 208 [..]
mbed_official 573:ad23fe03a082 209 In Stop mode, all clocks in the 1.2V domain are stopped, the PLL, the HSI,
mbed_official 573:ad23fe03a082 210 and the HSE RC oscillators are disabled. Internal SRAM and register contents
mbed_official 573:ad23fe03a082 211 are preserved.
mbed_official 573:ad23fe03a082 212 The voltage regulator can be configured either in normal or low-power mode.
mbed_official 573:ad23fe03a082 213 To minimize the consumption In Stop mode, FLASH can be powered off before
mbed_official 573:ad23fe03a082 214 entering the Stop mode using the HAL_PWREx_EnableFlashPowerDown() function.
mbed_official 573:ad23fe03a082 215 It can be switched on again by software after exiting the Stop mode using
mbed_official 573:ad23fe03a082 216 the HAL_PWREx_DisableFlashPowerDown() function.
mbed_official 573:ad23fe03a082 217
mbed_official 573:ad23fe03a082 218 (+) Entry:
mbed_official 573:ad23fe03a082 219 The Stop mode is entered using the HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON)
mbed_official 573:ad23fe03a082 220 function with:
mbed_official 573:ad23fe03a082 221 (++) Main regulator ON.
mbed_official 573:ad23fe03a082 222 (++) Low Power regulator ON.
mbed_official 573:ad23fe03a082 223 (+) Exit:
mbed_official 573:ad23fe03a082 224 Any EXTI Line (Internal or External) configured in Interrupt/Event mode.
mbed_official 573:ad23fe03a082 225
mbed_official 573:ad23fe03a082 226 *** Standby mode ***
mbed_official 573:ad23fe03a082 227 ====================
mbed_official 573:ad23fe03a082 228 [..]
mbed_official 573:ad23fe03a082 229 (+)
mbed_official 573:ad23fe03a082 230 The Standby mode allows to achieve the lowest power consumption. It is based
mbed_official 573:ad23fe03a082 231 on the Cortex-M7 deep sleep mode, with the voltage regulator disabled.
mbed_official 573:ad23fe03a082 232 The 1.2V domain is consequently powered off. The PLL, the HSI oscillator and
mbed_official 573:ad23fe03a082 233 the HSE oscillator are also switched off. SRAM and register contents are lost
mbed_official 573:ad23fe03a082 234 except for the RTC registers, RTC backup registers, backup SRAM and Standby
mbed_official 573:ad23fe03a082 235 circuitry.
mbed_official 573:ad23fe03a082 236
mbed_official 573:ad23fe03a082 237 The voltage regulator is OFF.
mbed_official 573:ad23fe03a082 238
mbed_official 573:ad23fe03a082 239 (++) Entry:
mbed_official 573:ad23fe03a082 240 (+++) The Standby mode is entered using the HAL_PWR_EnterSTANDBYMode() function.
mbed_official 573:ad23fe03a082 241 (++) Exit:
mbed_official 573:ad23fe03a082 242 (+++) WKUP pin rising or falling edge, RTC alarm (Alarm A and Alarm B), RTC
mbed_official 573:ad23fe03a082 243 wakeup, tamper event, time stamp event, external reset in NRST pin, IWDG reset.
mbed_official 573:ad23fe03a082 244
mbed_official 573:ad23fe03a082 245 *** Auto-wakeup (AWU) from low-power mode ***
mbed_official 573:ad23fe03a082 246 =============================================
mbed_official 573:ad23fe03a082 247 [..]
mbed_official 573:ad23fe03a082 248
mbed_official 573:ad23fe03a082 249 (+) The MCU can be woken up from low-power mode by an RTC Alarm event, an RTC
mbed_official 573:ad23fe03a082 250 Wakeup event, a tamper event or a time-stamp event, without depending on
mbed_official 573:ad23fe03a082 251 an external interrupt (Auto-wakeup mode).
mbed_official 573:ad23fe03a082 252
mbed_official 573:ad23fe03a082 253 (+) RTC auto-wakeup (AWU) from the Stop and Standby modes
mbed_official 573:ad23fe03a082 254
mbed_official 573:ad23fe03a082 255 (++) To wake up from the Stop mode with an RTC alarm event, it is necessary to
mbed_official 573:ad23fe03a082 256 configure the RTC to generate the RTC alarm using the HAL_RTC_SetAlarm_IT() function.
mbed_official 573:ad23fe03a082 257
mbed_official 573:ad23fe03a082 258 (++) To wake up from the Stop mode with an RTC Tamper or time stamp event, it
mbed_official 573:ad23fe03a082 259 is necessary to configure the RTC to detect the tamper or time stamp event using the
mbed_official 573:ad23fe03a082 260 HAL_RTCEx_SetTimeStamp_IT() or HAL_RTCEx_SetTamper_IT() functions.
mbed_official 573:ad23fe03a082 261
mbed_official 573:ad23fe03a082 262 (++) To wake up from the Stop mode with an RTC WakeUp event, it is necessary to
mbed_official 573:ad23fe03a082 263 configure the RTC to generate the RTC WakeUp event using the HAL_RTCEx_SetWakeUpTimer_IT() function.
mbed_official 573:ad23fe03a082 264
mbed_official 573:ad23fe03a082 265 @endverbatim
mbed_official 573:ad23fe03a082 266 * @{
mbed_official 573:ad23fe03a082 267 */
mbed_official 573:ad23fe03a082 268
mbed_official 573:ad23fe03a082 269 /**
mbed_official 573:ad23fe03a082 270 * @brief Configures the voltage threshold detected by the Power Voltage Detector(PVD).
mbed_official 573:ad23fe03a082 271 * @param sConfigPVD: pointer to an PWR_PVDTypeDef structure that contains the configuration
mbed_official 573:ad23fe03a082 272 * information for the PVD.
mbed_official 573:ad23fe03a082 273 * @note Refer to the electrical characteristics of your device datasheet for
mbed_official 573:ad23fe03a082 274 * more details about the voltage threshold corresponding to each
mbed_official 573:ad23fe03a082 275 * detection level.
mbed_official 573:ad23fe03a082 276 * @retval None
mbed_official 573:ad23fe03a082 277 */
mbed_official 573:ad23fe03a082 278 void HAL_PWR_ConfigPVD(PWR_PVDTypeDef *sConfigPVD)
mbed_official 573:ad23fe03a082 279 {
mbed_official 573:ad23fe03a082 280 /* Check the parameters */
mbed_official 573:ad23fe03a082 281 assert_param(IS_PWR_PVD_LEVEL(sConfigPVD->PVDLevel));
mbed_official 573:ad23fe03a082 282 assert_param(IS_PWR_PVD_MODE(sConfigPVD->Mode));
mbed_official 573:ad23fe03a082 283
mbed_official 573:ad23fe03a082 284 /* Set PLS[7:5] bits according to PVDLevel value */
mbed_official 573:ad23fe03a082 285 MODIFY_REG(PWR->CR1, PWR_CR1_PLS, sConfigPVD->PVDLevel);
mbed_official 573:ad23fe03a082 286
mbed_official 573:ad23fe03a082 287 /* Clear any previous config. Keep it clear if no event or IT mode is selected */
mbed_official 573:ad23fe03a082 288 __HAL_PWR_PVD_EXTI_DISABLE_EVENT();
mbed_official 573:ad23fe03a082 289 __HAL_PWR_PVD_EXTI_DISABLE_IT();
mbed_official 573:ad23fe03a082 290 __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE();
mbed_official 573:ad23fe03a082 291 __HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE();
mbed_official 573:ad23fe03a082 292
mbed_official 573:ad23fe03a082 293 /* Configure interrupt mode */
mbed_official 573:ad23fe03a082 294 if((sConfigPVD->Mode & PVD_MODE_IT) == PVD_MODE_IT)
mbed_official 573:ad23fe03a082 295 {
mbed_official 573:ad23fe03a082 296 __HAL_PWR_PVD_EXTI_ENABLE_IT();
mbed_official 573:ad23fe03a082 297 }
mbed_official 573:ad23fe03a082 298
mbed_official 573:ad23fe03a082 299 /* Configure event mode */
mbed_official 573:ad23fe03a082 300 if((sConfigPVD->Mode & PVD_MODE_EVT) == PVD_MODE_EVT)
mbed_official 573:ad23fe03a082 301 {
mbed_official 573:ad23fe03a082 302 __HAL_PWR_PVD_EXTI_ENABLE_EVENT();
mbed_official 573:ad23fe03a082 303 }
mbed_official 573:ad23fe03a082 304
mbed_official 573:ad23fe03a082 305 /* Configure the edge */
mbed_official 573:ad23fe03a082 306 if((sConfigPVD->Mode & PVD_RISING_EDGE) == PVD_RISING_EDGE)
mbed_official 573:ad23fe03a082 307 {
mbed_official 573:ad23fe03a082 308 __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE();
mbed_official 573:ad23fe03a082 309 }
mbed_official 573:ad23fe03a082 310
mbed_official 573:ad23fe03a082 311 if((sConfigPVD->Mode & PVD_FALLING_EDGE) == PVD_FALLING_EDGE)
mbed_official 573:ad23fe03a082 312 {
mbed_official 573:ad23fe03a082 313 __HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE();
mbed_official 573:ad23fe03a082 314 }
mbed_official 573:ad23fe03a082 315 }
mbed_official 573:ad23fe03a082 316
mbed_official 573:ad23fe03a082 317 /**
mbed_official 573:ad23fe03a082 318 * @brief Enables the Power Voltage Detector(PVD).
mbed_official 573:ad23fe03a082 319 * @retval None
mbed_official 573:ad23fe03a082 320 */
mbed_official 573:ad23fe03a082 321 void HAL_PWR_EnablePVD(void)
mbed_official 573:ad23fe03a082 322 {
mbed_official 573:ad23fe03a082 323 /* Enable the power voltage detector */
mbed_official 573:ad23fe03a082 324 SET_BIT(PWR->CR1, PWR_CR1_PVDE);
mbed_official 573:ad23fe03a082 325 }
mbed_official 573:ad23fe03a082 326
mbed_official 573:ad23fe03a082 327 /**
mbed_official 573:ad23fe03a082 328 * @brief Disables the Power Voltage Detector(PVD).
mbed_official 573:ad23fe03a082 329 * @retval None
mbed_official 573:ad23fe03a082 330 */
mbed_official 573:ad23fe03a082 331 void HAL_PWR_DisablePVD(void)
mbed_official 573:ad23fe03a082 332 {
mbed_official 573:ad23fe03a082 333 /* Disable the power voltage detector */
mbed_official 573:ad23fe03a082 334 CLEAR_BIT(PWR->CR1, PWR_CR1_PVDE);
mbed_official 573:ad23fe03a082 335 }
mbed_official 573:ad23fe03a082 336
mbed_official 573:ad23fe03a082 337 /**
mbed_official 573:ad23fe03a082 338 * @brief Enable the WakeUp PINx functionality.
mbed_official 573:ad23fe03a082 339 * @param WakeUpPinPolarity: Specifies which Wake-Up pin to enable.
mbed_official 573:ad23fe03a082 340 * This parameter can be one of the following legacy values, which sets the default polarity:
mbed_official 573:ad23fe03a082 341 * detection on high level (rising edge):
mbed_official 573:ad23fe03a082 342 * @arg PWR_WAKEUP_PIN1, PWR_WAKEUP_PIN2, PWR_WAKEUP_PIN3, PWR_WAKEUP_PIN4, PWR_WAKEUP_PIN5, PWR_WAKEUP_PIN6
mbed_official 573:ad23fe03a082 343 * or one of the following value where the user can explicitly states the enabled pin and
mbed_official 573:ad23fe03a082 344 * the chosen polarity
mbed_official 573:ad23fe03a082 345 * @arg PWR_WAKEUP_PIN1_HIGH or PWR_WAKEUP_PIN1_LOW
mbed_official 573:ad23fe03a082 346 * @arg PWR_WAKEUP_PIN2_HIGH or PWR_WAKEUP_PIN2_LOW
mbed_official 573:ad23fe03a082 347 * @arg PWR_WAKEUP_PIN3_HIGH or PWR_WAKEUP_PIN3_LOW
mbed_official 573:ad23fe03a082 348 * @arg PWR_WAKEUP_PIN4_HIGH or PWR_WAKEUP_PIN4_LOW
mbed_official 573:ad23fe03a082 349 * @arg PWR_WAKEUP_PIN5_HIGH or PWR_WAKEUP_PIN5_LOW
mbed_official 573:ad23fe03a082 350 * @arg PWR_WAKEUP_PIN6_HIGH or PWR_WAKEUP_PIN6_LOW
mbed_official 573:ad23fe03a082 351 * @note PWR_WAKEUP_PINx and PWR_WAKEUP_PINx_HIGH are equivalent.
mbed_official 573:ad23fe03a082 352 * @retval None
mbed_official 573:ad23fe03a082 353 */
mbed_official 573:ad23fe03a082 354 void HAL_PWR_EnableWakeUpPin(uint32_t WakeUpPinPolarity)
mbed_official 573:ad23fe03a082 355 {
mbed_official 573:ad23fe03a082 356 assert_param(IS_PWR_WAKEUP_PIN(WakeUpPinPolarity));
mbed_official 573:ad23fe03a082 357
mbed_official 573:ad23fe03a082 358 /* Enable wake-up pin */
mbed_official 573:ad23fe03a082 359 SET_BIT(PWR->CSR2, (PWR_EWUP_MASK & WakeUpPinPolarity));
mbed_official 573:ad23fe03a082 360
mbed_official 573:ad23fe03a082 361 /* Specifies the Wake-Up pin polarity for the event detection
mbed_official 573:ad23fe03a082 362 (rising or falling edge) */
mbed_official 573:ad23fe03a082 363 MODIFY_REG(PWR->CR2, (PWR_EWUP_MASK & WakeUpPinPolarity), (WakeUpPinPolarity >> 0x06));
mbed_official 573:ad23fe03a082 364 }
mbed_official 573:ad23fe03a082 365
mbed_official 573:ad23fe03a082 366 /**
mbed_official 573:ad23fe03a082 367 * @brief Disables the WakeUp PINx functionality.
mbed_official 573:ad23fe03a082 368 * @param WakeUpPinx: Specifies the Power Wake-Up pin to disable.
mbed_official 573:ad23fe03a082 369 * This parameter can be one of the following values:
mbed_official 573:ad23fe03a082 370 * @arg PWR_WAKEUP_PIN1
mbed_official 573:ad23fe03a082 371 * @arg PWR_WAKEUP_PIN2
mbed_official 573:ad23fe03a082 372 * @arg PWR_WAKEUP_PIN3
mbed_official 573:ad23fe03a082 373 * @arg PWR_WAKEUP_PIN4
mbed_official 573:ad23fe03a082 374 * @arg PWR_WAKEUP_PIN5
mbed_official 573:ad23fe03a082 375 * @arg PWR_WAKEUP_PIN6
mbed_official 573:ad23fe03a082 376 * @retval None
mbed_official 573:ad23fe03a082 377 */
mbed_official 573:ad23fe03a082 378 void HAL_PWR_DisableWakeUpPin(uint32_t WakeUpPinx)
mbed_official 573:ad23fe03a082 379 {
mbed_official 573:ad23fe03a082 380 assert_param(IS_PWR_WAKEUP_PIN(WakeUpPinx));
mbed_official 573:ad23fe03a082 381
mbed_official 573:ad23fe03a082 382 CLEAR_BIT(PWR->CSR2, WakeUpPinx);
mbed_official 573:ad23fe03a082 383 }
mbed_official 573:ad23fe03a082 384
mbed_official 573:ad23fe03a082 385 /**
mbed_official 573:ad23fe03a082 386 * @brief Enters Sleep mode.
mbed_official 573:ad23fe03a082 387 *
mbed_official 573:ad23fe03a082 388 * @note In Sleep mode, all I/O pins keep the same state as in Run mode.
mbed_official 573:ad23fe03a082 389 *
mbed_official 573:ad23fe03a082 390 * @note In Sleep mode, the systick is stopped to avoid exit from this mode with
mbed_official 573:ad23fe03a082 391 * systick interrupt when used as time base for Timeout
mbed_official 573:ad23fe03a082 392 *
mbed_official 573:ad23fe03a082 393 * @param Regulator: Specifies the regulator state in SLEEP mode.
mbed_official 573:ad23fe03a082 394 * This parameter can be one of the following values:
mbed_official 573:ad23fe03a082 395 * @arg PWR_MAINREGULATOR_ON: SLEEP mode with regulator ON
mbed_official 573:ad23fe03a082 396 * @arg PWR_LOWPOWERREGULATOR_ON: SLEEP mode with low power regulator ON
mbed_official 573:ad23fe03a082 397 * @note This parameter is not used for the STM32F7 family and is kept as parameter
mbed_official 573:ad23fe03a082 398 * just to maintain compatibility with the lower power families.
mbed_official 573:ad23fe03a082 399 * @param SLEEPEntry: Specifies if SLEEP mode in entered with WFI or WFE instruction.
mbed_official 573:ad23fe03a082 400 * This parameter can be one of the following values:
mbed_official 573:ad23fe03a082 401 * @arg PWR_SLEEPENTRY_WFI: enter SLEEP mode with WFI instruction
mbed_official 573:ad23fe03a082 402 * @arg PWR_SLEEPENTRY_WFE: enter SLEEP mode with WFE instruction
mbed_official 573:ad23fe03a082 403 * @retval None
mbed_official 573:ad23fe03a082 404 */
mbed_official 573:ad23fe03a082 405 void HAL_PWR_EnterSLEEPMode(uint32_t Regulator, uint8_t SLEEPEntry)
mbed_official 573:ad23fe03a082 406 {
mbed_official 573:ad23fe03a082 407 /* Check the parameters */
mbed_official 573:ad23fe03a082 408 assert_param(IS_PWR_REGULATOR(Regulator));
mbed_official 573:ad23fe03a082 409 assert_param(IS_PWR_SLEEP_ENTRY(SLEEPEntry));
mbed_official 573:ad23fe03a082 410
mbed_official 573:ad23fe03a082 411 /* Clear SLEEPDEEP bit of Cortex System Control Register */
mbed_official 573:ad23fe03a082 412 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
mbed_official 573:ad23fe03a082 413
mbed_official 573:ad23fe03a082 414 /* Select SLEEP mode entry -------------------------------------------------*/
mbed_official 573:ad23fe03a082 415 if(SLEEPEntry == PWR_SLEEPENTRY_WFI)
mbed_official 573:ad23fe03a082 416 {
mbed_official 573:ad23fe03a082 417 /* Request Wait For Interrupt */
mbed_official 573:ad23fe03a082 418 __WFI();
mbed_official 573:ad23fe03a082 419 }
mbed_official 573:ad23fe03a082 420 else
mbed_official 573:ad23fe03a082 421 {
mbed_official 573:ad23fe03a082 422 /* Request Wait For Event */
mbed_official 573:ad23fe03a082 423 __SEV();
mbed_official 573:ad23fe03a082 424 __WFE();
mbed_official 573:ad23fe03a082 425 __WFE();
mbed_official 573:ad23fe03a082 426 }
mbed_official 573:ad23fe03a082 427 }
mbed_official 573:ad23fe03a082 428
mbed_official 573:ad23fe03a082 429 /**
mbed_official 573:ad23fe03a082 430 * @brief Enters Stop mode.
mbed_official 573:ad23fe03a082 431 * @note In Stop mode, all I/O pins keep the same state as in Run mode.
mbed_official 573:ad23fe03a082 432 * @note When exiting Stop mode by issuing an interrupt or a wakeup event,
mbed_official 573:ad23fe03a082 433 * the HSI RC oscillator is selected as system clock.
mbed_official 573:ad23fe03a082 434 * @note When the voltage regulator operates in low power mode, an additional
mbed_official 573:ad23fe03a082 435 * startup delay is incurred when waking up from Stop mode.
mbed_official 573:ad23fe03a082 436 * By keeping the internal regulator ON during Stop mode, the consumption
mbed_official 573:ad23fe03a082 437 * is higher although the startup time is reduced.
mbed_official 573:ad23fe03a082 438 * @param Regulator: Specifies the regulator state in Stop mode.
mbed_official 573:ad23fe03a082 439 * This parameter can be one of the following values:
mbed_official 573:ad23fe03a082 440 * @arg PWR_MAINREGULATOR_ON: Stop mode with regulator ON
mbed_official 573:ad23fe03a082 441 * @arg PWR_LOWPOWERREGULATOR_ON: Stop mode with low power regulator ON
mbed_official 573:ad23fe03a082 442 * @param STOPEntry: Specifies if Stop mode in entered with WFI or WFE instruction.
mbed_official 573:ad23fe03a082 443 * This parameter can be one of the following values:
mbed_official 573:ad23fe03a082 444 * @arg PWR_STOPENTRY_WFI: Enter Stop mode with WFI instruction
mbed_official 573:ad23fe03a082 445 * @arg PWR_STOPENTRY_WFE: Enter Stop mode with WFE instruction
mbed_official 573:ad23fe03a082 446 * @retval None
mbed_official 573:ad23fe03a082 447 */
mbed_official 573:ad23fe03a082 448 void HAL_PWR_EnterSTOPMode(uint32_t Regulator, uint8_t STOPEntry)
mbed_official 573:ad23fe03a082 449 {
mbed_official 573:ad23fe03a082 450 uint32_t tmpreg = 0;
mbed_official 573:ad23fe03a082 451
mbed_official 573:ad23fe03a082 452 /* Check the parameters */
mbed_official 573:ad23fe03a082 453 assert_param(IS_PWR_REGULATOR(Regulator));
mbed_official 573:ad23fe03a082 454 assert_param(IS_PWR_STOP_ENTRY(STOPEntry));
mbed_official 573:ad23fe03a082 455
mbed_official 573:ad23fe03a082 456 /* Select the regulator state in Stop mode ---------------------------------*/
mbed_official 573:ad23fe03a082 457 tmpreg = PWR->CR1;
mbed_official 573:ad23fe03a082 458 /* Clear PDDS and LPDS bits */
mbed_official 573:ad23fe03a082 459 tmpreg &= (uint32_t)~(PWR_CR1_PDDS | PWR_CR1_LPDS);
mbed_official 573:ad23fe03a082 460
mbed_official 573:ad23fe03a082 461 /* Set LPDS, MRLVDS and LPLVDS bits according to Regulator value */
mbed_official 573:ad23fe03a082 462 tmpreg |= Regulator;
mbed_official 573:ad23fe03a082 463
mbed_official 573:ad23fe03a082 464 /* Store the new value */
mbed_official 573:ad23fe03a082 465 PWR->CR1 = tmpreg;
mbed_official 573:ad23fe03a082 466
mbed_official 573:ad23fe03a082 467 /* Set SLEEPDEEP bit of Cortex System Control Register */
mbed_official 573:ad23fe03a082 468 SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
mbed_official 573:ad23fe03a082 469
mbed_official 573:ad23fe03a082 470 /* Select Stop mode entry --------------------------------------------------*/
mbed_official 573:ad23fe03a082 471 if(STOPEntry == PWR_STOPENTRY_WFI)
mbed_official 573:ad23fe03a082 472 {
mbed_official 573:ad23fe03a082 473 /* Request Wait For Interrupt */
mbed_official 573:ad23fe03a082 474 __WFI();
mbed_official 573:ad23fe03a082 475 }
mbed_official 573:ad23fe03a082 476 else
mbed_official 573:ad23fe03a082 477 {
mbed_official 573:ad23fe03a082 478 /* Request Wait For Event */
mbed_official 573:ad23fe03a082 479 __SEV();
mbed_official 573:ad23fe03a082 480 __WFE();
mbed_official 573:ad23fe03a082 481 __WFE();
mbed_official 573:ad23fe03a082 482 }
mbed_official 573:ad23fe03a082 483 /* Reset SLEEPDEEP bit of Cortex System Control Register */
mbed_official 573:ad23fe03a082 484 SCB->SCR &= (uint32_t)~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
mbed_official 573:ad23fe03a082 485 }
mbed_official 573:ad23fe03a082 486
mbed_official 573:ad23fe03a082 487 /**
mbed_official 573:ad23fe03a082 488 * @brief Enters Standby mode.
mbed_official 573:ad23fe03a082 489 * @note In Standby mode, all I/O pins are high impedance except for:
mbed_official 573:ad23fe03a082 490 * - Reset pad (still available)
mbed_official 573:ad23fe03a082 491 * - RTC_AF1 pin (PC13) if configured for tamper, time-stamp, RTC
mbed_official 573:ad23fe03a082 492 * Alarm out, or RTC clock calibration out.
mbed_official 573:ad23fe03a082 493 * - RTC_AF2 pin (PI8) if configured for tamper or time-stamp.
mbed_official 573:ad23fe03a082 494 * - WKUP pins if enabled.
mbed_official 573:ad23fe03a082 495 * @retval None
mbed_official 573:ad23fe03a082 496 */
mbed_official 573:ad23fe03a082 497 void HAL_PWR_EnterSTANDBYMode(void)
mbed_official 573:ad23fe03a082 498 {
mbed_official 573:ad23fe03a082 499 /* Select Standby mode */
mbed_official 573:ad23fe03a082 500 PWR->CR1 |= PWR_CR1_PDDS;
mbed_official 573:ad23fe03a082 501
mbed_official 573:ad23fe03a082 502 /* Set SLEEPDEEP bit of Cortex System Control Register */
mbed_official 573:ad23fe03a082 503 SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
mbed_official 573:ad23fe03a082 504
mbed_official 573:ad23fe03a082 505 /* This option is used to ensure that store operations are completed */
mbed_official 573:ad23fe03a082 506 #if defined ( __CC_ARM)
mbed_official 573:ad23fe03a082 507 __force_stores();
mbed_official 573:ad23fe03a082 508 #endif
mbed_official 573:ad23fe03a082 509 /* Request Wait For Interrupt */
mbed_official 573:ad23fe03a082 510 __WFI();
mbed_official 573:ad23fe03a082 511 }
mbed_official 573:ad23fe03a082 512
mbed_official 573:ad23fe03a082 513 /**
mbed_official 573:ad23fe03a082 514 * @brief This function handles the PWR PVD interrupt request.
mbed_official 573:ad23fe03a082 515 * @note This API should be called under the PVD_IRQHandler().
mbed_official 573:ad23fe03a082 516 * @retval None
mbed_official 573:ad23fe03a082 517 */
mbed_official 573:ad23fe03a082 518 void HAL_PWR_PVD_IRQHandler(void)
mbed_official 573:ad23fe03a082 519 {
mbed_official 573:ad23fe03a082 520 /* Check PWR Exti flag */
mbed_official 573:ad23fe03a082 521 if(__HAL_PWR_PVD_EXTI_GET_FLAG() != RESET)
mbed_official 573:ad23fe03a082 522 {
mbed_official 573:ad23fe03a082 523 /* PWR PVD interrupt user callback */
mbed_official 573:ad23fe03a082 524 HAL_PWR_PVDCallback();
mbed_official 573:ad23fe03a082 525
mbed_official 573:ad23fe03a082 526 /* Clear PWR Exti pending bit */
mbed_official 573:ad23fe03a082 527 __HAL_PWR_PVD_EXTI_CLEAR_FLAG();
mbed_official 573:ad23fe03a082 528 }
mbed_official 573:ad23fe03a082 529 }
mbed_official 573:ad23fe03a082 530
mbed_official 573:ad23fe03a082 531 /**
mbed_official 573:ad23fe03a082 532 * @brief PWR PVD interrupt callback
mbed_official 573:ad23fe03a082 533 * @retval None
mbed_official 573:ad23fe03a082 534 */
mbed_official 573:ad23fe03a082 535 __weak void HAL_PWR_PVDCallback(void)
mbed_official 573:ad23fe03a082 536 {
mbed_official 573:ad23fe03a082 537 /* NOTE : This function Should not be modified, when the callback is needed,
mbed_official 573:ad23fe03a082 538 the HAL_PWR_PVDCallback could be implemented in the user file
mbed_official 573:ad23fe03a082 539 */
mbed_official 573:ad23fe03a082 540 }
mbed_official 573:ad23fe03a082 541
mbed_official 573:ad23fe03a082 542 /**
mbed_official 573:ad23fe03a082 543 * @brief Indicates Sleep-On-Exit when returning from Handler mode to Thread mode.
mbed_official 573:ad23fe03a082 544 * @note Set SLEEPONEXIT bit of SCR register. When this bit is set, the processor
mbed_official 573:ad23fe03a082 545 * re-enters SLEEP mode when an interruption handling is over.
mbed_official 573:ad23fe03a082 546 * Setting this bit is useful when the processor is expected to run only on
mbed_official 573:ad23fe03a082 547 * interruptions handling.
mbed_official 573:ad23fe03a082 548 * @retval None
mbed_official 573:ad23fe03a082 549 */
mbed_official 573:ad23fe03a082 550 void HAL_PWR_EnableSleepOnExit(void)
mbed_official 573:ad23fe03a082 551 {
mbed_official 573:ad23fe03a082 552 /* Set SLEEPONEXIT bit of Cortex System Control Register */
mbed_official 573:ad23fe03a082 553 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPONEXIT_Msk));
mbed_official 573:ad23fe03a082 554 }
mbed_official 573:ad23fe03a082 555
mbed_official 573:ad23fe03a082 556 /**
mbed_official 573:ad23fe03a082 557 * @brief Disables Sleep-On-Exit feature when returning from Handler mode to Thread mode.
mbed_official 573:ad23fe03a082 558 * @note Clears SLEEPONEXIT bit of SCR register. When this bit is set, the processor
mbed_official 573:ad23fe03a082 559 * re-enters SLEEP mode when an interruption handling is over.
mbed_official 573:ad23fe03a082 560 * @retval None
mbed_official 573:ad23fe03a082 561 */
mbed_official 573:ad23fe03a082 562 void HAL_PWR_DisableSleepOnExit(void)
mbed_official 573:ad23fe03a082 563 {
mbed_official 573:ad23fe03a082 564 /* Clear SLEEPONEXIT bit of Cortex System Control Register */
mbed_official 573:ad23fe03a082 565 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPONEXIT_Msk));
mbed_official 573:ad23fe03a082 566 }
mbed_official 573:ad23fe03a082 567
mbed_official 573:ad23fe03a082 568 /**
mbed_official 573:ad23fe03a082 569 * @brief Enables CORTEX M4 SEVONPEND bit.
mbed_official 573:ad23fe03a082 570 * @note Sets SEVONPEND bit of SCR register. When this bit is set, this causes
mbed_official 573:ad23fe03a082 571 * WFE to wake up when an interrupt moves from inactive to pended.
mbed_official 573:ad23fe03a082 572 * @retval None
mbed_official 573:ad23fe03a082 573 */
mbed_official 573:ad23fe03a082 574 void HAL_PWR_EnableSEVOnPend(void)
mbed_official 573:ad23fe03a082 575 {
mbed_official 573:ad23fe03a082 576 /* Set SEVONPEND bit of Cortex System Control Register */
mbed_official 573:ad23fe03a082 577 SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SEVONPEND_Msk));
mbed_official 573:ad23fe03a082 578 }
mbed_official 573:ad23fe03a082 579
mbed_official 573:ad23fe03a082 580 /**
mbed_official 573:ad23fe03a082 581 * @brief Disables CORTEX M4 SEVONPEND bit.
mbed_official 573:ad23fe03a082 582 * @note Clears SEVONPEND bit of SCR register. When this bit is set, this causes
mbed_official 573:ad23fe03a082 583 * WFE to wake up when an interrupt moves from inactive to pended.
mbed_official 573:ad23fe03a082 584 * @retval None
mbed_official 573:ad23fe03a082 585 */
mbed_official 573:ad23fe03a082 586 void HAL_PWR_DisableSEVOnPend(void)
mbed_official 573:ad23fe03a082 587 {
mbed_official 573:ad23fe03a082 588 /* Clear SEVONPEND bit of Cortex System Control Register */
mbed_official 573:ad23fe03a082 589 CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SEVONPEND_Msk));
mbed_official 573:ad23fe03a082 590 }
mbed_official 573:ad23fe03a082 591
mbed_official 573:ad23fe03a082 592 /**
mbed_official 573:ad23fe03a082 593 * @}
mbed_official 573:ad23fe03a082 594 */
mbed_official 573:ad23fe03a082 595
mbed_official 573:ad23fe03a082 596 /**
mbed_official 573:ad23fe03a082 597 * @}
mbed_official 573:ad23fe03a082 598 */
mbed_official 573:ad23fe03a082 599
mbed_official 573:ad23fe03a082 600 #endif /* HAL_PWR_MODULE_ENABLED */
mbed_official 573:ad23fe03a082 601 /**
mbed_official 573:ad23fe03a082 602 * @}
mbed_official 573:ad23fe03a082 603 */
mbed_official 573:ad23fe03a082 604
mbed_official 573:ad23fe03a082 605 /**
mbed_official 573:ad23fe03a082 606 * @}
mbed_official 573:ad23fe03a082 607 */
mbed_official 573:ad23fe03a082 608
mbed_official 573:ad23fe03a082 609 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/