AVR单片机ATmega128的串口通讯程序，根据输入的数据，点亮不同的指示灯，可以验证串口通讯的正确性。-AVR ATmega128 serial communications procedures, data entry, lit the lights come on, can verify the correctness of serial communications.

ATmega128串口通信,在ICC AVR下编译成功-ATmega128 uart communication