STM32F030使用HAL库做低功耗

低功耗，STM32F030，CubeMX，standby模式，stop模式，sleep模式，RTC

/**
  ******************************************************************************
  * @file    system_stm32f0xx.c
  * @author  MCD Application Team
  * @brief   CMSIS Cortex-M0 Device Peripheral Access layer System Source File.
  *
  * 1. This file provides two functions and one global variable to be called from
  *    user application:
  *      - SystemInit（）: This function is called at startup just after reset and 
  *                      before branch to main program. This call is made inside
  *                      the “startup_stm32f0xx.s“ file.
  *
  *      - SystemCoreClock variable: Contains the core clock （HCLK） it can be used
  *                                  by the user application to setup the SysTick
  *                                  timer or configure other parameters.
  *
  *      - SystemCoreClockUpdate（）: Updates the variable SystemCoreClock and must
  *                                 be called whenever the core clock is changed
  *                                 during program execution.
  *
  * 2. After each device reset the HSI （8 MHz） is used as system clock source.
  *    Then SystemInit（） function is called in “startup_stm32f0xx.s“ file to
  *    configure the system clock before to branch to main program.
  *
  * 3. This file configures the system clock as follows:
  *=============================================================================
  *                         Supported STM32F0xx device
  *-----------------------------------------------------------------------------
  *        System Clock source                    | HSI
  *-----------------------------------------------------------------------------
  *        SYSCLK（Hz）                             | 8000000
  *-----------------------------------------------------------------------------
  *        HCLK（Hz）                               | 8000000
  *-----------------------------------------------------------------------------
  *        AHB Prescaler                          | 1
  *-----------------------------------------------------------------------------
  *        APB1 Prescaler                         | 1
  *-----------------------------------------------------------------------------
  *=============================================================================
  ******************************************************************************
  * @attention
  *
  * 
© COPYRIGHT（c） 2016 STMicroelectronics

  *
  * Redistribution and use in source and binary forms with or without modification
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice
  *      this list of conditions and the following disclaimer in the documentation

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       4496  2018-07-02 16:17  STM32F030\.mxproject

     文件     433390  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f030x6.h

     文件     438048  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f030x8.h

     文件     472809  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f030xc.h

     文件     458902  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f031x6.h

     文件     455784  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f038xx.h

     文件     914682  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f042x6.h

     文件     911272  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f048xx.h

     文件     554599  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f051x8.h

     文件     551483  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f058xx.h

     文件     453574  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f070x6.h

     文件     469347  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f070xb.h

     文件     606822  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f071xb.h

     文件     966699  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f072xb.h

     文件     963882  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f078xx.h

     文件    1022710  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f091xc.h

     文件    1019574  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f098xx.h

     文件       9917  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\stm32f0xx.h

     文件       3743  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Include\system_stm32f0xx.h

     文件      10425  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f030x6.s

     文件      10863  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f030x8.s

     文件      11140  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f030xc.s

     文件      10598  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f031x6.s

     文件      10487  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f038xx.s

     文件      11866  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f042x6.s

     文件      11254  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f048xx.s

     文件      11376  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f051x8.s

     文件      11253  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f058xx.s

     文件      11437  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f070x6.s

     文件      11317  2018-01-29 20:40  STM32F030\Drivers\CMSIS\Device\ST\STM32F0xx\Source\Templates\arm\startup_stm32f070xb.s

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