这是一个关于avr驱动7219程序。程序是在GCC的环境下开发的。测试好使，欢迎使用，如有问题，请自行解决，本人保留最终解释权。-This is a 7219 program about avr drive. Procedures are at GCC development environment. Test so welcome to use if there is problem on their own, I retain the power of final interpretatio

7219驱动程序 其中包括7219的个寄存器地址功能及用法-7219 it can make 7219 do it can do

基于AVR MEGA16单片机的数码管驱动片子7129的驱动程序，内附原理图。-Microcontroller based digital AVR MEGA16 tube-driven film, 7129 driver, containing schematics.

7219显示通信程序,通过本程序可以开发7219命令式的通讯程序。-7219 communication program, the 7219 imperative communication program can be developed through this program.