说明：  著名的嵌入式系统IDE开发环境IAR的详细使用说明，方便使用IAR进行开发的工程师快速掌握IAR开发环境及常见错误的处理方法。
(The famous IDE embedded system development environment IAR detailed instructions for use, easy to use IAR development engineers to quickly master the IAR development environment and common error processing method.)