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_STM32F407VG/sleep.c@323:9e901b0a5aa1, 2014-09-13 (annotated)

Committer:
shaoziyang
Date:
Sat Sep 13 14:25:46 2014 +0000
Revision:
323:9e901b0a5aa1
Parent:
296:ec1b66a3d094 
test with CLOCK_SETUP = 0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 133:d4dda5c437f0 1 /* mbed Microcontroller Library
mbed_official 133:d4dda5c437f0 2 *******************************************************************************
mbed_official 133:d4dda5c437f0 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 133:d4dda5c437f0 4 * All rights reserved.
mbed_official 133:d4dda5c437f0 5 *
mbed_official 133:d4dda5c437f0 6 * Redistribution and use in source and binary forms, with or without
mbed_official 133:d4dda5c437f0 7 * modification, are permitted provided that the following conditions are met:
mbed_official 133:d4dda5c437f0 8 *
mbed_official 133:d4dda5c437f0 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 133:d4dda5c437f0 10 * this list of conditions and the following disclaimer.
mbed_official 133:d4dda5c437f0 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 133:d4dda5c437f0 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 133:d4dda5c437f0 13 * and/or other materials provided with the distribution.
mbed_official 133:d4dda5c437f0 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 133:d4dda5c437f0 15 * may be used to endorse or promote products derived from this software
mbed_official 133:d4dda5c437f0 16 * without specific prior written permission.
mbed_official 133:d4dda5c437f0 17 *
mbed_official 133:d4dda5c437f0 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 133:d4dda5c437f0 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 133:d4dda5c437f0 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 133:d4dda5c437f0 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 133:d4dda5c437f0 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 133:d4dda5c437f0 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 133:d4dda5c437f0 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 133:d4dda5c437f0 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 133:d4dda5c437f0 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 133:d4dda5c437f0 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 133:d4dda5c437f0 28 *******************************************************************************
mbed_official 133:d4dda5c437f0 29 */
mbed_official 133:d4dda5c437f0 30 #include "sleep_api.h"
mbed_official 133:d4dda5c437f0 31
mbed_official 242:7074e42da0b2 32 #if DEVICE_SLEEP
mbed_official 242:7074e42da0b2 33
mbed_official 242:7074e42da0b2 34 #include "cmsis.h"
mbed_official 133:d4dda5c437f0 35
mbed_official 133:d4dda5c437f0 36 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 133:d4dda5c437f0 37
mbed_official 242:7074e42da0b2 38 void sleep(void) {
mbed_official 242:7074e42da0b2 39 TimMasterHandle.Instance = TIM5;
mbed_official 242:7074e42da0b2 40 // Disable HAL tick interrupt
mbed_official 242:7074e42da0b2 41 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 242:7074e42da0b2 42
mbed_official 133:d4dda5c437f0 43 // Request to enter SLEEP mode
mbed_official 133:d4dda5c437f0 44 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 242:7074e42da0b2 45
mbed_official 242:7074e42da0b2 46 // Enable HAL tick interrupt
mbed_official 242:7074e42da0b2 47 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 133:d4dda5c437f0 48 }
mbed_official 133:d4dda5c437f0 49
mbed_official 242:7074e42da0b2 50 void deepsleep(void) {
mbed_official 133:d4dda5c437f0 51 // Request to enter STOP mode with regulator in low power mode
mbed_official 133:d4dda5c437f0 52 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 133:d4dda5c437f0 53 // After wake-up from STOP reconfigure the PLL
mbed_official 242:7074e42da0b2 54 SetSysClock();
mbed_official 133:d4dda5c437f0 55 }
mbed_official 242:7074e42da0b2 56
mbed_official 242:7074e42da0b2 57 #endif