MDK、IAR将变量定义到指定位置

注意：MDK和IAR的方式有区别

http://www.360doc.com/content/20/0623/10/6889381_920061062.shtml

https://www.cnblogs.com/mynight2012/p/10411348.html

https://blog.csdn.net/duibudui11/article/details/99688579

http://blog.itpub.net/30007806/viewspace-1369314/