eunkyoung kim / mbed-src

mbed library sources modify the rtc/i2c

Dependents:   SSD1306_smart_watch

Fork of mbed-src by eunkyoung kim

targets/hal/TARGET_STM/TARGET_STM32F0/sleep.c@577:545d200432a1, 2015-06-29 (annotated)

Committer:
eunkyoungkim
Date:
Mon Jun 29 05:49:52 2015 +0000
Revision:
577:545d200432a1
Parent:
469:fc4922e0c183 
modify the i2c.c/i2c.h

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 469:fc4922e0c183 1 /* mbed Microcontroller Library
mbed_official 469:fc4922e0c183 2 *******************************************************************************
mbed_official 469:fc4922e0c183 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 469:fc4922e0c183 4 * All rights reserved.
mbed_official 469:fc4922e0c183 5 *
mbed_official 469:fc4922e0c183 6 * Redistribution and use in source and binary forms, with or without
mbed_official 469:fc4922e0c183 7 * modification, are permitted provided that the following conditions are met:
mbed_official 469:fc4922e0c183 8 *
mbed_official 469:fc4922e0c183 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 469:fc4922e0c183 10 * this list of conditions and the following disclaimer.
mbed_official 469:fc4922e0c183 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 469:fc4922e0c183 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 469:fc4922e0c183 13 * and/or other materials provided with the distribution.
mbed_official 469:fc4922e0c183 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 469:fc4922e0c183 15 * may be used to endorse or promote products derived from this software
mbed_official 469:fc4922e0c183 16 * without specific prior written permission.
mbed_official 469:fc4922e0c183 17 *
mbed_official 469:fc4922e0c183 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 469:fc4922e0c183 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 469:fc4922e0c183 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 469:fc4922e0c183 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 469:fc4922e0c183 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 469:fc4922e0c183 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 469:fc4922e0c183 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 469:fc4922e0c183 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 469:fc4922e0c183 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 469:fc4922e0c183 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 469:fc4922e0c183 28 *******************************************************************************
mbed_official 469:fc4922e0c183 29 */
mbed_official 469:fc4922e0c183 30 #include "sleep_api.h"
mbed_official 469:fc4922e0c183 31
mbed_official 469:fc4922e0c183 32 #if DEVICE_SLEEP
mbed_official 469:fc4922e0c183 33
mbed_official 469:fc4922e0c183 34 #include "cmsis.h"
mbed_official 469:fc4922e0c183 35
mbed_official 469:fc4922e0c183 36 #if defined(TARGET_STM32F070RB)
mbed_official 469:fc4922e0c183 37 void sleep(void)
mbed_official 469:fc4922e0c183 38 {
mbed_official 469:fc4922e0c183 39 TIM_HandleTypeDef TimMasterHandle;
mbed_official 469:fc4922e0c183 40
mbed_official 469:fc4922e0c183 41 TimMasterHandle.Instance = TIM1;
mbed_official 469:fc4922e0c183 42
mbed_official 469:fc4922e0c183 43 // Disable HAL tick and us_ticker update interrupts
mbed_official 469:fc4922e0c183 44 __HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
mbed_official 469:fc4922e0c183 45
mbed_official 469:fc4922e0c183 46 // Request to enter SLEEP mode
mbed_official 469:fc4922e0c183 47 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 469:fc4922e0c183 48
mbed_official 469:fc4922e0c183 49 // Enable HAL tick and us_ticker update interrupts
mbed_official 469:fc4922e0c183 50 __HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
mbed_official 469:fc4922e0c183 51 }
mbed_official 469:fc4922e0c183 52
mbed_official 469:fc4922e0c183 53 #elif defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8)
mbed_official 469:fc4922e0c183 54 void sleep(void)
mbed_official 469:fc4922e0c183 55 {
mbed_official 469:fc4922e0c183 56 // Stop HAL systick
mbed_official 469:fc4922e0c183 57 HAL_SuspendTick();
mbed_official 469:fc4922e0c183 58 // Request to enter SLEEP mode
mbed_official 469:fc4922e0c183 59 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 469:fc4922e0c183 60 // Restart HAL systick
mbed_official 469:fc4922e0c183 61 HAL_ResumeTick();
mbed_official 469:fc4922e0c183 62 }
mbed_official 469:fc4922e0c183 63
mbed_official 469:fc4922e0c183 64 #else
mbed_official 469:fc4922e0c183 65 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 469:fc4922e0c183 66
mbed_official 469:fc4922e0c183 67 void sleep(void)
mbed_official 469:fc4922e0c183 68 {
mbed_official 469:fc4922e0c183 69 TimMasterHandle.Instance = TIM2;
mbed_official 469:fc4922e0c183 70
mbed_official 469:fc4922e0c183 71 // Disable HAL tick interrupt
mbed_official 469:fc4922e0c183 72 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 469:fc4922e0c183 73
mbed_official 469:fc4922e0c183 74 // Request to enter SLEEP mode
mbed_official 469:fc4922e0c183 75 HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
mbed_official 469:fc4922e0c183 76
mbed_official 469:fc4922e0c183 77 // Enable HAL tick interrupt
mbed_official 469:fc4922e0c183 78 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
mbed_official 469:fc4922e0c183 79 }
mbed_official 469:fc4922e0c183 80 #endif
mbed_official 469:fc4922e0c183 81
mbed_official 469:fc4922e0c183 82 #if defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8)
mbed_official 469:fc4922e0c183 83 void deepsleep(void)
mbed_official 469:fc4922e0c183 84 {
mbed_official 469:fc4922e0c183 85 // Request to enter STOP mode with regulator in low power mode
mbed_official 469:fc4922e0c183 86 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 469:fc4922e0c183 87
mbed_official 469:fc4922e0c183 88 HAL_InitTick(TICK_INT_PRIORITY);
mbed_official 469:fc4922e0c183 89
mbed_official 469:fc4922e0c183 90 // After wake-up from STOP reconfigure the PLL
mbed_official 469:fc4922e0c183 91 SetSysClock();
mbed_official 469:fc4922e0c183 92
mbed_official 469:fc4922e0c183 93 HAL_InitTick(TICK_INT_PRIORITY);
mbed_official 469:fc4922e0c183 94 }
mbed_official 469:fc4922e0c183 95
mbed_official 469:fc4922e0c183 96 #else
mbed_official 469:fc4922e0c183 97 void deepsleep(void)
mbed_official 469:fc4922e0c183 98 {
mbed_official 469:fc4922e0c183 99 // Request to enter STOP mode with regulator in low power mode
mbed_official 469:fc4922e0c183 100 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
mbed_official 469:fc4922e0c183 101
mbed_official 469:fc4922e0c183 102 // After wake-up from STOP reconfigure the PLL
mbed_official 469:fc4922e0c183 103 SetSysClock();
mbed_official 469:fc4922e0c183 104 }
mbed_official 469:fc4922e0c183 105 #endif
mbed_official 469:fc4922e0c183 106
mbed_official 469:fc4922e0c183 107 #endif