次程序主用是针对ATMEGAL128单片机双串口通信程序 程序是通过ICCAVR软件进行编译链接的，通过AVRstudio软件下载到单片机中的-Main program used for ATMEGAL128 single-chip dual serial communication program program is the through ICCAVR software compiler links, through AVRstudio software downloaded to the microcontroller s