mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_NUCLEO_F103RB/sleep.c@139:e3413eddde57, 2014-03-27 (annotated)

Committer:
mbed_official
Date:
Thu Mar 27 09:45:07 2014 +0000
Revision:
139:e3413eddde57
Parent:
84:f54042cbc282
Child:
174:8bb9f3a33240
Synchronized with git revision 3d49a491d4dd16466354746d3c329428840f5a03



Full URL: https://github.com/mbedmicro/mbed/commit/3d49a491d4dd16466354746d3c329428840f5a03/



Fixed readNB() bug

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 60:142c6c6f5949 31 #include "cmsis.h"
mbed_official 60:142c6c6f5949 32
mbed_official 139:e3413eddde57 33 // This function is in the system_stm32f10x.c file
mbed_official 139:e3413eddde57 34 extern void SetSysClock(void);
mbed_official 139:e3413eddde57 35
mbed_official 60:142c6c6f5949 36 void sleep(void)
mbed_official 60:142c6c6f5949 37 {
mbed_official 84:f54042cbc282 38 // Disable us_ticker update interrupt
mbed_official 84:f54042cbc282 39 TIM_ITConfig(TIM1, TIM_IT_Update, DISABLE);
mbed_official 84:f54042cbc282 40
mbed_official 60:142c6c6f5949 41 SCB->SCR = 0; // Normal sleep mode for ARM core
mbed_official 60:142c6c6f5949 42 __WFI();
mbed_official 84:f54042cbc282 43
mbed_official 84:f54042cbc282 44 // Re-enable us_ticker update interrupt
mbed_official 84:f54042cbc282 45 TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE);
mbed_official 60:142c6c6f5949 46 }
mbed_official 60:142c6c6f5949 47
mbed_official 60:142c6c6f5949 48 void deepsleep(void)
mbed_official 84:f54042cbc282 49 {
mbed_official 84:f54042cbc282 50 // Disable us_ticker update interrupt
mbed_official 84:f54042cbc282 51 TIM_ITConfig(TIM1, TIM_IT_Update, DISABLE);
mbed_official 84:f54042cbc282 52
mbed_official 60:142c6c6f5949 53 // Enable PWR clock
mbed_official 60:142c6c6f5949 54 RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
mbed_official 60:142c6c6f5949 55
mbed_official 60:142c6c6f5949 56 // Request to enter STOP mode with regulator in low power mode
mbed_official 84:f54042cbc282 57 PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
mbed_official 84:f54042cbc282 58
mbed_official 139:e3413eddde57 59 // After wake-up from STOP reconfigure the PLL
mbed_official 139:e3413eddde57 60 SetSysClock();
mbed_official 139:e3413eddde57 61
mbed_official 84:f54042cbc282 62 // Re-enable us_ticker update interrupt
mbed_official 84:f54042cbc282 63 TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE);
mbed_official 60:142c6c6f5949 64 }