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Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_DISCO_F303VC/sleep.c@403:91a4bea587f4, 2014-11-14 (annotated)

Committer:
mbed_official
Date:
Fri Nov 14 09:15:08 2014 +0000
Revision:
403:91a4bea587f4
Parent:
241:ffe41b0c8126 
Synchronized with git revision 15d4861f808c0355cd2e2cfa175f12fb371419f7



Full URL: https://github.com/mbedmicro/mbed/commit/15d4861f808c0355cd2e2cfa175f12fb371419f7/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 157:90e3acc479a2 1 /* mbed Microcontroller Library
mbed_official 157:90e3acc479a2 2 *******************************************************************************
mbed_official 157:90e3acc479a2 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 157:90e3acc479a2 4 * All rights reserved.
mbed_official 157:90e3acc479a2 5 *
mbed_official 157:90e3acc479a2 6 * Redistribution and use in source and binary forms, with or without
mbed_official 157:90e3acc479a2 7 * modification, are permitted provided that the following conditions are met:
mbed_official 157:90e3acc479a2 8 *
mbed_official 157:90e3acc479a2 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 157:90e3acc479a2 10 * this list of conditions and the following disclaimer.
mbed_official 157:90e3acc479a2 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 157:90e3acc479a2 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 157:90e3acc479a2 13 * and/or other materials provided with the distribution.
mbed_official 157:90e3acc479a2 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 157:90e3acc479a2 15 * may be used to endorse or promote products derived from this software
mbed_official 157:90e3acc479a2 16 * without specific prior written permission.
mbed_official 157:90e3acc479a2 17 *
mbed_official 157:90e3acc479a2 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 157:90e3acc479a2 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 157:90e3acc479a2 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 157:90e3acc479a2 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 157:90e3acc479a2 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 157:90e3acc479a2 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 157:90e3acc479a2 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 157:90e3acc479a2 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 157:90e3acc479a2 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 157:90e3acc479a2 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 157:90e3acc479a2 28 *******************************************************************************
mbed_official 157:90e3acc479a2 29 */
mbed_official 157:90e3acc479a2 30 #include "sleep_api.h"
mbed_official 157:90e3acc479a2 31
mbed_official 241:ffe41b0c8126 32 #if DEVICE_SLEEP
mbed_official 241:ffe41b0c8126 33
mbed_official 241:ffe41b0c8126 34 #include "cmsis.h"
mbed_official 157:90e3acc479a2 35
mbed_official 403:91a4bea587f4 36 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 403:91a4bea587f4 37
mbed_official 403:91a4bea587f4 38 void sleep(void)
mbed_official 403:91a4bea587f4 39 {
mbed_official 403:91a4bea587f4 40 TimMasterHandle.Instance = TIM2;
mbed_official 403:91a4bea587f4 41
mbed_official 403:91a4bea587f4 42 // Disable HAL tick interrupt
mbed_official 403:91a4bea587f4 43 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 157:90e3acc479a2 44
mbed_official 157:90e3acc479a2 45 // Request to enter SLEEP mode
mbed_official 403:91a4bea587f4 46 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 403:91a4bea587f4 47
mbed_official 403:91a4bea587f4 48 // Enable HAL tick interrupt
mbed_official 403:91a4bea587f4 49 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 157:90e3acc479a2 50 }
mbed_official 157:90e3acc479a2 51
mbed_official 403:91a4bea587f4 52 void deepsleep(void)
mbed_official 403:91a4bea587f4 53 {
mbed_official 403:91a4bea587f4 54 // Request to enter STOP mode with regulator in low power mode
mbed_official 403:91a4bea587f4 55 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 157:90e3acc479a2 56
mbed_official 157:90e3acc479a2 57 // After wake-up from STOP reconfigure the PLL
mbed_official 157:90e3acc479a2 58 SetSysClock();
mbed_official 157:90e3acc479a2 59 }
mbed_official 241:ffe41b0c8126 60
mbed_official 241:ffe41b0c8126 61 #endif