通用异步串行通信的程序实现:串行中断0的程序设计：采用查询发送，中断接收的方式,采用查询发送，中断接收的方式 通用异步串行通信的程序-Universal Asynchronous Serial Communication Program Implementation: Interrupt 0 Serial Programming: The query to send, receive interrupt mode, using query to send,