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发表于 2015-8-11 19:17:30
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打开这些文件,开头部分,都有说明。。。。
比如:
/**
******************************************************************************
* @file stm32f10x.h
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief CMSIS Cortex-M3 Device  eripheral Access Layer Header File.
* This file contains all the peripheral register's definitions, bits
* definitions and memory mapping for STM32F10x Connectivity line,
* High density, High density value line, Medium density,
* Medium density Value line, Low density, Low density Value line
* and XL-density devices.
*
* The file is the unique include file that the application programmer
* is using in the C source code, usually in main.c. This file contains:
* - Configuration section that allows to select:
* - The device used in the target application
* - To use or not the peripheral抯 drivers in application code(i.e.
* code will be based on direct access to peripheral抯 registers
* rather than drivers API), this option is controlled by
* "#define USE_STDPERIPH_DRIVER"
* - To change few application-specific parameters such as the HSE
* crystal frequency
* - Data structures and the address mapping for all peripherals
* -  eripheral's registers declarations and bits definition
* - Macros to access peripheral抯 registers hardware
*
******************************************************************************
* @attention
*
* THE  RESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT  ROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR  RODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR  RODUCTS.
*
* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
****************************************************************************** |
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