Nick Zhou / mbed-src-ST-demo

mbed library sources change for ST sensors and ST BLE

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_STM32F3/sleep.c@636:83ea0d2b909b, 2016-04-14 (annotated)

Committer:
NickZhouARM
Date:
Thu Apr 14 07:07:44 2016 +0000
Revision:
636:83ea0d2b909b
Parent:
508:4f5903e025e6 
Working version for ST BLE + Sensors

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 423:560d1a9f3083 1 /* mbed Microcontroller Library
mbed_official 423:560d1a9f3083 2 *******************************************************************************
mbed_official 423:560d1a9f3083 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 423:560d1a9f3083 4 * All rights reserved.
mbed_official 423:560d1a9f3083 5 *
mbed_official 423:560d1a9f3083 6 * Redistribution and use in source and binary forms, with or without
mbed_official 423:560d1a9f3083 7 * modification, are permitted provided that the following conditions are met:
mbed_official 423:560d1a9f3083 8 *
mbed_official 423:560d1a9f3083 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 423:560d1a9f3083 10 * this list of conditions and the following disclaimer.
mbed_official 423:560d1a9f3083 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 423:560d1a9f3083 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 423:560d1a9f3083 13 * and/or other materials provided with the distribution.
mbed_official 423:560d1a9f3083 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 423:560d1a9f3083 15 * may be used to endorse or promote products derived from this software
mbed_official 423:560d1a9f3083 16 * without specific prior written permission.
mbed_official 423:560d1a9f3083 17 *
mbed_official 423:560d1a9f3083 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 423:560d1a9f3083 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 423:560d1a9f3083 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 423:560d1a9f3083 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 423:560d1a9f3083 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 423:560d1a9f3083 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 423:560d1a9f3083 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 423:560d1a9f3083 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 423:560d1a9f3083 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 423:560d1a9f3083 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 423:560d1a9f3083 28 *******************************************************************************
mbed_official 423:560d1a9f3083 29 */
mbed_official 423:560d1a9f3083 30 #include "sleep_api.h"
mbed_official 423:560d1a9f3083 31
mbed_official 423:560d1a9f3083 32 #if DEVICE_SLEEP
mbed_official 423:560d1a9f3083 33
mbed_official 423:560d1a9f3083 34 #include "cmsis.h"
mbed_official 423:560d1a9f3083 35
mbed_official 423:560d1a9f3083 36 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 423:560d1a9f3083 37
mbed_official 423:560d1a9f3083 38 void sleep(void)
mbed_official 423:560d1a9f3083 39 {
mbed_official 423:560d1a9f3083 40 TimMasterHandle.Instance = TIM2;
mbed_official 423:560d1a9f3083 41
mbed_official 423:560d1a9f3083 42 // Disable HAL tick interrupt
mbed_official 423:560d1a9f3083 43 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 423:560d1a9f3083 44
mbed_official 423:560d1a9f3083 45 // Request to enter SLEEP mode
mbed_official 423:560d1a9f3083 46 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 423:560d1a9f3083 47
mbed_official 423:560d1a9f3083 48 // Enable HAL tick interrupt
mbed_official 423:560d1a9f3083 49 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 423:560d1a9f3083 50 }
mbed_official 423:560d1a9f3083 51
mbed_official 423:560d1a9f3083 52 void deepsleep(void)
mbed_official 423:560d1a9f3083 53 {
mbed_official 423:560d1a9f3083 54 // Request to enter STOP mode with regulator in low power mode
mbed_official 423:560d1a9f3083 55 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 423:560d1a9f3083 56
mbed_official 423:560d1a9f3083 57 // After wake-up from STOP reconfigure the PLL
mbed_official 423:560d1a9f3083 58 SetSysClock();
mbed_official 423:560d1a9f3083 59 }
mbed_official 423:560d1a9f3083 60
mbed_official 423:560d1a9f3083 61 #endif