PHung Tung / SRC_STM32F7

SPKT

Dependents:   WAV

targets/hal/TARGET_STM/TARGET_STM32F7/sleep.c@0:e87aa4c49e95, 2019-06-04 (annotated)

Committer:
phungductung
Date:
Tue Jun 04 21:51:46 2019 +0000
Revision:
0:e87aa4c49e95
libray

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phungductung 0:e87aa4c49e95 1 /* mbed Microcontroller Library
phungductung 0:e87aa4c49e95 2 *******************************************************************************
phungductung 0:e87aa4c49e95 3 * Copyright (c) 2015, STMicroelectronics
phungductung 0:e87aa4c49e95 4 * All rights reserved.
phungductung 0:e87aa4c49e95 5 *
phungductung 0:e87aa4c49e95 6 * Redistribution and use in source and binary forms, with or without
phungductung 0:e87aa4c49e95 7 * modification, are permitted provided that the following conditions are met:
phungductung 0:e87aa4c49e95 8 *
phungductung 0:e87aa4c49e95 9 * 1. Redistributions of source code must retain the above copyright notice,
phungductung 0:e87aa4c49e95 10 * this list of conditions and the following disclaimer.
phungductung 0:e87aa4c49e95 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
phungductung 0:e87aa4c49e95 12 * this list of conditions and the following disclaimer in the documentation
phungductung 0:e87aa4c49e95 13 * and/or other materials provided with the distribution.
phungductung 0:e87aa4c49e95 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
phungductung 0:e87aa4c49e95 15 * may be used to endorse or promote products derived from this software
phungductung 0:e87aa4c49e95 16 * without specific prior written permission.
phungductung 0:e87aa4c49e95 17 *
phungductung 0:e87aa4c49e95 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
phungductung 0:e87aa4c49e95 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
phungductung 0:e87aa4c49e95 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
phungductung 0:e87aa4c49e95 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
phungductung 0:e87aa4c49e95 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
phungductung 0:e87aa4c49e95 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
phungductung 0:e87aa4c49e95 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
phungductung 0:e87aa4c49e95 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
phungductung 0:e87aa4c49e95 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
phungductung 0:e87aa4c49e95 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
phungductung 0:e87aa4c49e95 28 *******************************************************************************
phungductung 0:e87aa4c49e95 29 */
phungductung 0:e87aa4c49e95 30 #include "sleep_api.h"
phungductung 0:e87aa4c49e95 31
phungductung 0:e87aa4c49e95 32 #if DEVICE_SLEEP
phungductung 0:e87aa4c49e95 33
phungductung 0:e87aa4c49e95 34 #include "cmsis.h"
phungductung 0:e87aa4c49e95 35
phungductung 0:e87aa4c49e95 36 static TIM_HandleTypeDef TimMasterHandle;
phungductung 0:e87aa4c49e95 37
phungductung 0:e87aa4c49e95 38 void sleep(void)
phungductung 0:e87aa4c49e95 39 {
phungductung 0:e87aa4c49e95 40 TimMasterHandle.Instance = TIM5;
phungductung 0:e87aa4c49e95 41
phungductung 0:e87aa4c49e95 42 // Disable HAL tick interrupt
phungductung 0:e87aa4c49e95 43 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
phungductung 0:e87aa4c49e95 44
phungductung 0:e87aa4c49e95 45 // Request to enter SLEEP mode
phungductung 0:e87aa4c49e95 46 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
phungductung 0:e87aa4c49e95 47
phungductung 0:e87aa4c49e95 48 // Enable HAL tick interrupt
phungductung 0:e87aa4c49e95 49 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
phungductung 0:e87aa4c49e95 50 }
phungductung 0:e87aa4c49e95 51
phungductung 0:e87aa4c49e95 52 void deepsleep(void)
phungductung 0:e87aa4c49e95 53 {
phungductung 0:e87aa4c49e95 54 // Request to enter STOP mode with regulator in low power mode
phungductung 0:e87aa4c49e95 55 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
phungductung 0:e87aa4c49e95 56
phungductung 0:e87aa4c49e95 57 // After wake-up from STOP need to reconfigure the system clock
phungductung 0:e87aa4c49e95 58 SetSysClock();
phungductung 0:e87aa4c49e95 59 }
phungductung 0:e87aa4c49e95 60
phungductung 0:e87aa4c49e95 61 #endif