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targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/sleep.c@84:f54042cbc282, 2014-02-03 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Feb 03 09:30:05 2014 +0000
- Revision:
- 84:f54042cbc282
- Parent:
- 77:b5886236e6f0
Synchronized with git revision bbbd8699601c42149ccf0c37bc42bb6856ccc4c6
Full URL: https://github.com/mbedmicro/mbed/commit/bbbd8699601c42149ccf0c37bc42bb6856ccc4c6/
[NUCLEO_L152RE/F030_R8] SPI, I2C, Ticker, PWM updates
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 77:b5886236e6f0 | 1 | /* mbed Microcontroller Library |
mbed_official | 77:b5886236e6f0 | 2 | ******************************************************************************* |
mbed_official | 77:b5886236e6f0 | 3 | * Copyright (c) 2014, STMicroelectronics |
mbed_official | 77:b5886236e6f0 | 4 | * All rights reserved. |
mbed_official | 77:b5886236e6f0 | 5 | * |
mbed_official | 77:b5886236e6f0 | 6 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 77:b5886236e6f0 | 7 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 77:b5886236e6f0 | 8 | * |
mbed_official | 77:b5886236e6f0 | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 77:b5886236e6f0 | 10 | * this list of conditions and the following disclaimer. |
mbed_official | 77:b5886236e6f0 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 77:b5886236e6f0 | 12 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 77:b5886236e6f0 | 13 | * and/or other materials provided with the distribution. |
mbed_official | 77:b5886236e6f0 | 14 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 77:b5886236e6f0 | 15 | * may be used to endorse or promote products derived from this software |
mbed_official | 77:b5886236e6f0 | 16 | * without specific prior written permission. |
mbed_official | 77:b5886236e6f0 | 17 | * |
mbed_official | 77:b5886236e6f0 | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 77:b5886236e6f0 | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 77:b5886236e6f0 | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 77:b5886236e6f0 | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 77:b5886236e6f0 | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 77:b5886236e6f0 | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 77:b5886236e6f0 | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 77:b5886236e6f0 | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 77:b5886236e6f0 | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 77:b5886236e6f0 | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 77:b5886236e6f0 | 28 | ******************************************************************************* |
mbed_official | 77:b5886236e6f0 | 29 | */ |
mbed_official | 77:b5886236e6f0 | 30 | #include "sleep_api.h" |
mbed_official | 77:b5886236e6f0 | 31 | #include "cmsis.h" |
mbed_official | 77:b5886236e6f0 | 32 | |
mbed_official | 77:b5886236e6f0 | 33 | void sleep(void) |
mbed_official | 77:b5886236e6f0 | 34 | { |
mbed_official | 84:f54042cbc282 | 35 | // Disable us_ticker update interrupt |
mbed_official | 84:f54042cbc282 | 36 | TIM_ITConfig(TIM1, TIM_IT_Update, DISABLE); |
mbed_official | 84:f54042cbc282 | 37 | |
mbed_official | 77:b5886236e6f0 | 38 | SCB->SCR = 0; // Normal sleep mode for ARM core |
mbed_official | 77:b5886236e6f0 | 39 | __WFI(); |
mbed_official | 84:f54042cbc282 | 40 | |
mbed_official | 84:f54042cbc282 | 41 | // Re-enable us_ticker update interrupt |
mbed_official | 84:f54042cbc282 | 42 | TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE); |
mbed_official | 77:b5886236e6f0 | 43 | } |
mbed_official | 77:b5886236e6f0 | 44 | |
mbed_official | 84:f54042cbc282 | 45 | // MCU STOP mode |
mbed_official | 84:f54042cbc282 | 46 | // Wake-up with external interrupt |
mbed_official | 77:b5886236e6f0 | 47 | void deepsleep(void) |
mbed_official | 84:f54042cbc282 | 48 | { |
mbed_official | 77:b5886236e6f0 | 49 | // Enable PWR clock |
mbed_official | 77:b5886236e6f0 | 50 | RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE); |
mbed_official | 77:b5886236e6f0 | 51 | |
mbed_official | 77:b5886236e6f0 | 52 | // Request to enter STOP mode with regulator in low power mode |
mbed_official | 84:f54042cbc282 | 53 | PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI); |
mbed_official | 77:b5886236e6f0 | 54 | } |