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_STM32F1/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 60:142c6c6f5949 1 /* mbed Microcontroller Library
mbed_official 70:c1fbde68b492 2 *******************************************************************************
mbed_official 70:c1fbde68b492 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 70:c1fbde68b492 4 * All rights reserved.
mbed_official 60:142c6c6f5949 5 *
mbed_official 70:c1fbde68b492 6 * Redistribution and use in source and binary forms, with or without
mbed_official 70:c1fbde68b492 7 * modification, are permitted provided that the following conditions are met:
mbed_official 60:142c6c6f5949 8 *
mbed_official 70:c1fbde68b492 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 70:c1fbde68b492 10 * this list of conditions and the following disclaimer.
mbed_official 70:c1fbde68b492 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 70:c1fbde68b492 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 70:c1fbde68b492 13 * and/or other materials provided with the distribution.
mbed_official 70:c1fbde68b492 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 70:c1fbde68b492 15 * may be used to endorse or promote products derived from this software
mbed_official 70:c1fbde68b492 16 * without specific prior written permission.
mbed_official 60:142c6c6f5949 17 *
mbed_official 70:c1fbde68b492 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 70:c1fbde68b492 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 70:c1fbde68b492 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 70:c1fbde68b492 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 70:c1fbde68b492 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 70:c1fbde68b492 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 70:c1fbde68b492 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 70:c1fbde68b492 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 70:c1fbde68b492 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 70:c1fbde68b492 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 70:c1fbde68b492 28 *******************************************************************************
mbed_official 60:142c6c6f5949 29 */
mbed_official 60:142c6c6f5949 30 #include "sleep_api.h"
mbed_official 174:8bb9f3a33240 31
mbed_official 174:8bb9f3a33240 32 #if DEVICE_SLEEP
mbed_official 174:8bb9f3a33240 33
mbed_official 60:142c6c6f5949 34 #include "cmsis.h"
mbed_official 489:119543c9f674 35 #include "hal_tick.h"
mbed_official 489:119543c9f674 36
mbed_official 489:119543c9f674 37 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 60:142c6c6f5949 38
mbed_official 402:09075a3b15e3 39 void sleep(void)
mbed_official 402:09075a3b15e3 40 {
mbed_official 489:119543c9f674 41 TimMasterHandle.Instance = TIM_MST;
mbed_official 489:119543c9f674 42
mbed_official 489:119543c9f674 43 // Disable HAL tick and us_ticker update interrupts
mbed_official 489:119543c9f674 44 __HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
mbed_official 174:8bb9f3a33240 45
mbed_official 489:119543c9f674 46 // Request to enter SLEEP mode
mbed_official 489:119543c9f674 47 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 174:8bb9f3a33240 48
mbed_official 489:119543c9f674 49 // Enable HAL tick and us_ticker update interrupts
mbed_official 489:119543c9f674 50 __HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
mbed_official 60:142c6c6f5949 51 }
mbed_official 60:142c6c6f5949 52
mbed_official 402:09075a3b15e3 53 void deepsleep(void)
mbed_official 402:09075a3b15e3 54 {
mbed_official 60:142c6c6f5949 55 // Request to enter STOP mode with regulator in low power mode
mbed_official 489:119543c9f674 56 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 84:f54042cbc282 57
mbed_official 139:e3413eddde57 58 // After wake-up from STOP reconfigure the PLL
mbed_official 139:e3413eddde57 59 SetSysClock();
mbed_official 60:142c6c6f5949 60 }
mbed_official 174:8bb9f3a33240 61
mbed_official 174:8bb9f3a33240 62 #endif