mbed library sources modified for open wear
Dependents: openwear-lifelogger-example
Fork of mbed-src by
Diff: targets/hal/TARGET_STM/TARGET_STM32F3XX/sleep.c
- Revision:
- 155:8435094ec241
diff -r be4113396fa5 -r 8435094ec241 targets/hal/TARGET_STM/TARGET_STM32F3XX/sleep.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_STM32F3XX/sleep.c Tue Apr 08 09:15:06 2014 +0100 @@ -0,0 +1,55 @@ +/* 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_stm32f30x.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 + PWR_EnterSleepMode(PWR_SLEEPEntry_WFI); +} + +// MCU STOP mode +void deepsleep(void) { + // Enable PWR clock + RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE); + + // Enter Stop Mode + PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI); + + // After wake-up from STOP reconfigure the PLL + SetSysClock(); +}