shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_F411RE/sleep.c@323:9e901b0a5aa1, 2014-09-13 (annotated)

Committer:
shaoziyang
Date:
Sat Sep 13 14:25:46 2014 +0000
Revision:
323:9e901b0a5aa1
Parent:
235:685d5f11838f 
test with CLOCK_SETUP = 0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 235:685d5f11838f 1 /* mbed Microcontroller Library
mbed_official 235:685d5f11838f 2 *******************************************************************************
mbed_official 235:685d5f11838f 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 235:685d5f11838f 4 * All rights reserved.
mbed_official 235:685d5f11838f 5 *
mbed_official 235:685d5f11838f 6 * Redistribution and use in source and binary forms, with or without
mbed_official 235:685d5f11838f 7 * modification, are permitted provided that the following conditions are met:
mbed_official 235:685d5f11838f 8 *
mbed_official 235:685d5f11838f 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 235:685d5f11838f 10 * this list of conditions and the following disclaimer.
mbed_official 235:685d5f11838f 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 235:685d5f11838f 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 235:685d5f11838f 13 * and/or other materials provided with the distribution.
mbed_official 235:685d5f11838f 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 235:685d5f11838f 15 * may be used to endorse or promote products derived from this software
mbed_official 235:685d5f11838f 16 * without specific prior written permission.
mbed_official 235:685d5f11838f 17 *
mbed_official 235:685d5f11838f 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 235:685d5f11838f 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 235:685d5f11838f 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 235:685d5f11838f 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 235:685d5f11838f 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 235:685d5f11838f 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 235:685d5f11838f 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 235:685d5f11838f 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 235:685d5f11838f 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 235:685d5f11838f 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 235:685d5f11838f 28 *******************************************************************************
mbed_official 235:685d5f11838f 29 */
mbed_official 235:685d5f11838f 30 #include "sleep_api.h"
mbed_official 235:685d5f11838f 31
mbed_official 235:685d5f11838f 32 #if DEVICE_SLEEP
mbed_official 235:685d5f11838f 33
mbed_official 235:685d5f11838f 34 #include "cmsis.h"
mbed_official 235:685d5f11838f 35
mbed_official 235:685d5f11838f 36 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 235:685d5f11838f 37
mbed_official 235:685d5f11838f 38 void sleep(void)
mbed_official 235:685d5f11838f 39 {
mbed_official 235:685d5f11838f 40 TimMasterHandle.Instance = TIM5;
mbed_official 235:685d5f11838f 41
mbed_official 235:685d5f11838f 42 // Disable HAL tick interrupt
mbed_official 235:685d5f11838f 43 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 235:685d5f11838f 44
mbed_official 235:685d5f11838f 45 // Request to enter SLEEP mode
mbed_official 235:685d5f11838f 46 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 235:685d5f11838f 47
mbed_official 235:685d5f11838f 48 // Enable HAL tick interrupt
mbed_official 235:685d5f11838f 49 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 235:685d5f11838f 50 }
mbed_official 235:685d5f11838f 51
mbed_official 235:685d5f11838f 52 void deepsleep(void)
mbed_official 235:685d5f11838f 53 {
mbed_official 235:685d5f11838f 54 // Request to enter STOP mode with regulator in low power mode
mbed_official 235:685d5f11838f 55 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 235:685d5f11838f 56
mbed_official 235:685d5f11838f 57 // After wake-up from STOP reconfigure the PLL
mbed_official 235:685d5f11838f 58 SetSysClock();
mbed_official 235:685d5f11838f 59 }
mbed_official 235:685d5f11838f 60
mbed_official 235:685d5f11838f 61 #endif