本文对PN程序编辑软件做简单的介绍，以及对MAKEFILE文件的编辑原理做简单举例，希望对大家熟悉PN，学习AVR有帮助。-This article on the PN program editing software to do a brief introduction, and the MAKEFILE file to do a simple example, the editorial principles, I hope all of you are familiar with PN, learning AVR helpful.