这五个源代码是我自己编写的关于ATmega128单片机的程序。它们的功能分别有外部中断，12864显示，ad采样 及控制外部数字芯片等。希望能帮助大家，注释已经很清楚了。用的编程软件是 CVAVR。-This five source code is what I have written about the ATmega128 MCU program. Their functions were external interrupts, 12864, ad Sampling and control