mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/sleep.c@174:8bb9f3a33240, 2014-04-29 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Apr 29 11:15:07 2014 +0100
- Revision:
- 174:8bb9f3a33240
- Parent:
- 129:0182c99221bc
Synchronized with git revision 5bf985ebc651a2c31cefabd9d62c51dc465ef60a
Full URL: https://github.com/mbedmicro/mbed/commit/5bf985ebc651a2c31cefabd9d62c51dc465ef60a/
[NUCLEO_L152RE/F103RB] Add LSE configuration for RTC
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 76:aeb1df146756 | 1 | /* mbed Microcontroller Library |
mbed_official | 76:aeb1df146756 | 2 | ******************************************************************************* |
mbed_official | 76:aeb1df146756 | 3 | * Copyright (c) 2014, STMicroelectronics |
mbed_official | 76:aeb1df146756 | 4 | * All rights reserved. |
mbed_official | 76:aeb1df146756 | 5 | * |
mbed_official | 76:aeb1df146756 | 6 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 76:aeb1df146756 | 7 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 76:aeb1df146756 | 8 | * |
mbed_official | 76:aeb1df146756 | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 76:aeb1df146756 | 10 | * this list of conditions and the following disclaimer. |
mbed_official | 76:aeb1df146756 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 76:aeb1df146756 | 12 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 76:aeb1df146756 | 13 | * and/or other materials provided with the distribution. |
mbed_official | 76:aeb1df146756 | 14 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 76:aeb1df146756 | 15 | * may be used to endorse or promote products derived from this software |
mbed_official | 76:aeb1df146756 | 16 | * without specific prior written permission. |
mbed_official | 76:aeb1df146756 | 17 | * |
mbed_official | 76:aeb1df146756 | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 76:aeb1df146756 | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 76:aeb1df146756 | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 76:aeb1df146756 | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 76:aeb1df146756 | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 76:aeb1df146756 | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 76:aeb1df146756 | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 76:aeb1df146756 | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 76:aeb1df146756 | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 76:aeb1df146756 | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 76:aeb1df146756 | 28 | ******************************************************************************* |
mbed_official | 76:aeb1df146756 | 29 | */ |
mbed_official | 76:aeb1df146756 | 30 | #include "sleep_api.h" |
mbed_official | 174:8bb9f3a33240 | 31 | |
mbed_official | 174:8bb9f3a33240 | 32 | #if DEVICE_SLEEP |
mbed_official | 174:8bb9f3a33240 | 33 | |
mbed_official | 76:aeb1df146756 | 34 | #include "cmsis.h" |
mbed_official | 76:aeb1df146756 | 35 | |
mbed_official | 80:66393a7b209d | 36 | // MCU SLEEP mode |
mbed_official | 174:8bb9f3a33240 | 37 | void sleep(void) { |
mbed_official | 80:66393a7b209d | 38 | // Enable PWR clock |
mbed_official | 174:8bb9f3a33240 | 39 | RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE); |
mbed_official | 84:f54042cbc282 | 40 | |
mbed_official | 80:66393a7b209d | 41 | // Request to enter SLEEP mode with regulator ON |
mbed_official | 84:f54042cbc282 | 42 | PWR_EnterSleepMode(PWR_Regulator_ON, PWR_SLEEPEntry_WFI); |
mbed_official | 76:aeb1df146756 | 43 | } |
mbed_official | 76:aeb1df146756 | 44 | |
mbed_official | 80:66393a7b209d | 45 | // MCU STOP mode (Regulator in LP mode, LSI, HSI and HSE OFF) |
mbed_official | 174:8bb9f3a33240 | 46 | void deepsleep(void) { |
mbed_official | 76:aeb1df146756 | 47 | // Enable PWR clock |
mbed_official | 76:aeb1df146756 | 48 | RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE); |
mbed_official | 174:8bb9f3a33240 | 49 | |
mbed_official | 80:66393a7b209d | 50 | // Enable Ultra low power mode |
mbed_official | 80:66393a7b209d | 51 | PWR_UltraLowPowerCmd(ENABLE); |
mbed_official | 80:66393a7b209d | 52 | |
mbed_official | 80:66393a7b209d | 53 | // Enter Stop Mode |
mbed_official | 174:8bb9f3a33240 | 54 | PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI); |
mbed_official | 174:8bb9f3a33240 | 55 | |
mbed_official | 129:0182c99221bc | 56 | // After wake-up from STOP reconfigure the PLL |
mbed_official | 129:0182c99221bc | 57 | SetSysClock(); |
mbed_official | 76:aeb1df146756 | 58 | } |
mbed_official | 174:8bb9f3a33240 | 59 | |
mbed_official | 174:8bb9f3a33240 | 60 | #endif |