IAR 编译软件的的一些简单设置，总结 -IAR compiler software, set up some simple, summary IAR compiler software, some simple settings, summary

IAR编译器是一款主要针对于单片机和arm系列的编译软件，功能简单实用，对比keil来说有更大的优势-IAR compiler is a main target in the arm series microcontroller and compile software features a simple and practical, it has a greater comparative advantage keil