mirror of https://github.com/ARMmbed/mbed-os.git
72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
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/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2016, STMicroelectronics
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************
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*/
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#include "sleep_api.h"
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#include "rtc_api_hal.h"
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#if DEVICE_SLEEP
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#include "cmsis.h"
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void sleep(void)
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{
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// Stop HAL systick
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HAL_SuspendTick();
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// Request to enter SLEEP mode
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HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
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// Restart HAL systick
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HAL_ResumeTick();
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}
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void deepsleep(void)
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{
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// Stop HAL systick
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HAL_SuspendTick();
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// Request to enter STOP mode with regulator in low power mode
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#if TARGET_STM32L4
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HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
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#else /* TARGET_STM32L4 */
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HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
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#endif /* TARGET_STM32L4 */
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// Restart HAL systick
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HAL_ResumeTick();
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// After wake-up from STOP reconfigure the PLL
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SetSysClock();
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#if DEVICE_LOWPOWERTIMER
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rtc_synchronize();
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#endif
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}
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#endif
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