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Last commit 20 Feb 2019 by 
mbed official
targets/hal/TARGET_STM/TARGET_STM32L4/sleep.c@610:813dcc80987e, 2015-08-14 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Aug 14 13:15:17 2015 +0100
- Revision:
- 610:813dcc80987e
Synchronized with git revision 6d84db41c6833e0b9b024741eb0616a5f62d5599
Full URL: https://github.com/mbedmicro/mbed/commit/6d84db41c6833e0b9b024741eb0616a5f62d5599/
DISCO_F746NG - Improvements
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 610:813dcc80987e | 1 | /* mbed Microcontroller Library |
| mbed_official | 610:813dcc80987e | 2 | ******************************************************************************* |
| mbed_official | 610:813dcc80987e | 3 | * Copyright (c) 2015, STMicroelectronics |
| mbed_official | 610:813dcc80987e | 4 | * All rights reserved. |
| mbed_official | 610:813dcc80987e | 5 | * |
| mbed_official | 610:813dcc80987e | 6 | * Redistribution and use in source and binary forms, with or without |
| mbed_official | 610:813dcc80987e | 7 | * modification, are permitted provided that the following conditions are met: |
| mbed_official | 610:813dcc80987e | 8 | * |
| mbed_official | 610:813dcc80987e | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 610:813dcc80987e | 10 | * this list of conditions and the following disclaimer. |
| mbed_official | 610:813dcc80987e | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 610:813dcc80987e | 12 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 610:813dcc80987e | 13 | * and/or other materials provided with the distribution. |
| mbed_official | 610:813dcc80987e | 14 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| mbed_official | 610:813dcc80987e | 15 | * may be used to endorse or promote products derived from this software |
| mbed_official | 610:813dcc80987e | 16 | * without specific prior written permission. |
| mbed_official | 610:813dcc80987e | 17 | * |
| mbed_official | 610:813dcc80987e | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 610:813dcc80987e | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 610:813dcc80987e | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 610:813dcc80987e | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 610:813dcc80987e | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 610:813dcc80987e | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 610:813dcc80987e | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 610:813dcc80987e | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 610:813dcc80987e | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 610:813dcc80987e | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 610:813dcc80987e | 28 | ******************************************************************************* |
| mbed_official | 610:813dcc80987e | 29 | */ |
| mbed_official | 610:813dcc80987e | 30 | #include "sleep_api.h" |
| mbed_official | 610:813dcc80987e | 31 | |
| mbed_official | 610:813dcc80987e | 32 | #if DEVICE_SLEEP |
| mbed_official | 610:813dcc80987e | 33 | |
| mbed_official | 610:813dcc80987e | 34 | #include "cmsis.h" |
| mbed_official | 610:813dcc80987e | 35 | #include "hal_tick.h" |
| mbed_official | 610:813dcc80987e | 36 | |
| mbed_official | 610:813dcc80987e | 37 | static TIM_HandleTypeDef TimMasterHandle; |
| mbed_official | 610:813dcc80987e | 38 | |
| mbed_official | 610:813dcc80987e | 39 | void sleep(void) |
| mbed_official | 610:813dcc80987e | 40 | { |
| mbed_official | 610:813dcc80987e | 41 | // Disable HAL tick interrupt |
| mbed_official | 610:813dcc80987e | 42 | TimMasterHandle.Instance = TIM_MST; |
| mbed_official | 610:813dcc80987e | 43 | __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2); |
| mbed_official | 610:813dcc80987e | 44 | |
| mbed_official | 610:813dcc80987e | 45 | // Request to enter SLEEP mode |
| mbed_official | 610:813dcc80987e | 46 | HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI); |
| mbed_official | 610:813dcc80987e | 47 | |
| mbed_official | 610:813dcc80987e | 48 | // Enable HAL tick interrupt |
| mbed_official | 610:813dcc80987e | 49 | __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); |
| mbed_official | 610:813dcc80987e | 50 | } |
| mbed_official | 610:813dcc80987e | 51 | |
| mbed_official | 610:813dcc80987e | 52 | void deepsleep(void) |
| mbed_official | 610:813dcc80987e | 53 | { |
| mbed_official | 610:813dcc80987e | 54 | // Disable HAL tick interrupt |
| mbed_official | 610:813dcc80987e | 55 | TimMasterHandle.Instance = TIM_MST; |
| mbed_official | 610:813dcc80987e | 56 | __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2); |
| mbed_official | 610:813dcc80987e | 57 | |
| mbed_official | 610:813dcc80987e | 58 | // Request to enter STOP mode with regulator in low power mode |
| mbed_official | 610:813dcc80987e | 59 | HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); |
| mbed_official | 610:813dcc80987e | 60 | |
| mbed_official | 610:813dcc80987e | 61 | // After wake-up from STOP reconfigure the PLL |
| mbed_official | 610:813dcc80987e | 62 | SetSysClock(); |
| mbed_official | 610:813dcc80987e | 63 | |
| mbed_official | 610:813dcc80987e | 64 | // Enable HAL tick interrupt |
| mbed_official | 610:813dcc80987e | 65 | __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); |
| mbed_official | 610:813dcc80987e | 66 | } |
| mbed_official | 610:813dcc80987e | 67 | |
| mbed_official | 610:813dcc80987e | 68 | #endif |
