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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_STM/TARGET_STM32F0/sleep.c@469:fc4922e0c183, 2015-02-09 (annotated)

Committer:
mbed_official
Date:
Mon Feb 09 09:30:07 2015 +0000
Revision:
469:fc4922e0c183
Child:
630:825f75ca301e
Synchronized with git revision 06e2b3c8802cb4f78e9958ba9923755bd458e8b7



Full URL: https://github.com/mbedmicro/mbed/commit/06e2b3c8802cb4f78e9958ba9923755bd458e8b7/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 469:fc4922e0c183 1 /* mbed Microcontroller Library
mbed_official 469:fc4922e0c183 2 *******************************************************************************
mbed_official 469:fc4922e0c183 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 469:fc4922e0c183 4 * All rights reserved.
mbed_official 469:fc4922e0c183 5 *
mbed_official 469:fc4922e0c183 6 * Redistribution and use in source and binary forms, with or without
mbed_official 469:fc4922e0c183 7 * modification, are permitted provided that the following conditions are met:
mbed_official 469:fc4922e0c183 8 *
mbed_official 469:fc4922e0c183 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 469:fc4922e0c183 10 * this list of conditions and the following disclaimer.
mbed_official 469:fc4922e0c183 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 469:fc4922e0c183 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 469:fc4922e0c183 13 * and/or other materials provided with the distribution.
mbed_official 469:fc4922e0c183 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 469:fc4922e0c183 15 * may be used to endorse or promote products derived from this software
mbed_official 469:fc4922e0c183 16 * without specific prior written permission.
mbed_official 469:fc4922e0c183 17 *
mbed_official 469:fc4922e0c183 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 469:fc4922e0c183 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 469:fc4922e0c183 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 469:fc4922e0c183 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 469:fc4922e0c183 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 469:fc4922e0c183 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 469:fc4922e0c183 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 469:fc4922e0c183 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 469:fc4922e0c183 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 469:fc4922e0c183 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 469:fc4922e0c183 28 *******************************************************************************
mbed_official 469:fc4922e0c183 29 */
mbed_official 469:fc4922e0c183 30 #include "sleep_api.h"
mbed_official 469:fc4922e0c183 31
mbed_official 469:fc4922e0c183 32 #if DEVICE_SLEEP
mbed_official 469:fc4922e0c183 33
mbed_official 469:fc4922e0c183 34 #include "cmsis.h"
mbed_official 469:fc4922e0c183 35
mbed_official 469:fc4922e0c183 36 #if defined(TARGET_STM32F070RB)
mbed_official 469:fc4922e0c183 37 void sleep(void)
mbed_official 469:fc4922e0c183 38 {
mbed_official 469:fc4922e0c183 39 TIM_HandleTypeDef TimMasterHandle;
mbed_official 469:fc4922e0c183 40
mbed_official 469:fc4922e0c183 41 TimMasterHandle.Instance = TIM1;
mbed_official 469:fc4922e0c183 42
mbed_official 469:fc4922e0c183 43 // Disable HAL tick and us_ticker update interrupts
mbed_official 469:fc4922e0c183 44 __HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
mbed_official 469:fc4922e0c183 45
mbed_official 469:fc4922e0c183 46 // Request to enter SLEEP mode
mbed_official 469:fc4922e0c183 47 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 469:fc4922e0c183 48
mbed_official 469:fc4922e0c183 49 // Enable HAL tick and us_ticker update interrupts
mbed_official 469:fc4922e0c183 50 __HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
mbed_official 469:fc4922e0c183 51 }
mbed_official 469:fc4922e0c183 52
mbed_official 469:fc4922e0c183 53 #elif defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8)
mbed_official 469:fc4922e0c183 54 void sleep(void)
mbed_official 469:fc4922e0c183 55 {
mbed_official 469:fc4922e0c183 56 // Stop HAL systick
mbed_official 469:fc4922e0c183 57 HAL_SuspendTick();
mbed_official 469:fc4922e0c183 58 // Request to enter SLEEP mode
mbed_official 469:fc4922e0c183 59 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 469:fc4922e0c183 60 // Restart HAL systick
mbed_official 469:fc4922e0c183 61 HAL_ResumeTick();
mbed_official 469:fc4922e0c183 62 }
mbed_official 469:fc4922e0c183 63
mbed_official 469:fc4922e0c183 64 #else
mbed_official 469:fc4922e0c183 65 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 469:fc4922e0c183 66
mbed_official 469:fc4922e0c183 67 void sleep(void)
mbed_official 469:fc4922e0c183 68 {
mbed_official 469:fc4922e0c183 69 TimMasterHandle.Instance = TIM2;
mbed_official 469:fc4922e0c183 70
mbed_official 469:fc4922e0c183 71 // Disable HAL tick interrupt
mbed_official 469:fc4922e0c183 72 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 469:fc4922e0c183 73
mbed_official 469:fc4922e0c183 74 // Request to enter SLEEP mode
mbed_official 469:fc4922e0c183 75 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 469:fc4922e0c183 76
mbed_official 469:fc4922e0c183 77 // Enable HAL tick interrupt
mbed_official 469:fc4922e0c183 78 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 469:fc4922e0c183 79 }
mbed_official 469:fc4922e0c183 80 #endif
mbed_official 469:fc4922e0c183 81
mbed_official 469:fc4922e0c183 82 #if defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8)
mbed_official 469:fc4922e0c183 83 void deepsleep(void)
mbed_official 469:fc4922e0c183 84 {
mbed_official 469:fc4922e0c183 85 // Request to enter STOP mode with regulator in low power mode
mbed_official 469:fc4922e0c183 86 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 469:fc4922e0c183 87
mbed_official 469:fc4922e0c183 88 HAL_InitTick(TICK_INT_PRIORITY);
mbed_official 469:fc4922e0c183 89
mbed_official 469:fc4922e0c183 90 // After wake-up from STOP reconfigure the PLL
mbed_official 469:fc4922e0c183 91 SetSysClock();
mbed_official 469:fc4922e0c183 92
mbed_official 469:fc4922e0c183 93 HAL_InitTick(TICK_INT_PRIORITY);
mbed_official 469:fc4922e0c183 94 }
mbed_official 469:fc4922e0c183 95
mbed_official 469:fc4922e0c183 96 #else
mbed_official 469:fc4922e0c183 97 void deepsleep(void)
mbed_official 469:fc4922e0c183 98 {
mbed_official 469:fc4922e0c183 99 // Request to enter STOP mode with regulator in low power mode
mbed_official 469:fc4922e0c183 100 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 469:fc4922e0c183 101
mbed_official 469:fc4922e0c183 102 // After wake-up from STOP reconfigure the PLL
mbed_official 469:fc4922e0c183 103 SetSysClock();
mbed_official 469:fc4922e0c183 104 }
mbed_official 469:fc4922e0c183 105 #endif
mbed_official 469:fc4922e0c183 106
mbed_official 469:fc4922e0c183 107 #endif