mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/sleep.c
- Committer:
- mbed_official
- Date:
- 2014-03-20
- Revision:
- 129:0182c99221bc
- Parent:
- 100:0412b5443284
- Child:
- 174:8bb9f3a33240
File content as of revision 129:0182c99221bc:
/* mbed Microcontroller Library ******************************************************************************* * Copyright (c) 2014, STMicroelectronics * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************* */ #include "sleep_api.h" #include "cmsis.h" // This function is in the system_stm32l1xx.c file extern void SetSysClock(void); // MCU SLEEP mode void sleep(void) { // Enable PWR clock RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE); // Request to enter SLEEP mode with regulator ON PWR_EnterSleepMode(PWR_Regulator_ON, PWR_SLEEPEntry_WFI); } // MCU STOP mode (Regulator in LP mode, LSI, HSI and HSE OFF) void deepsleep(void) { // Enable PWR clock RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE); // Enable Ultra low power mode PWR_UltraLowPowerCmd(ENABLE); // Enter Stop Mode PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI); // After wake-up from STOP reconfigure the PLL SetSysClock(); }