DOS下串口测试工具, 可以选择中断模式和查询模式. 请使用TC2.0编译. 更新请到我的github: https://github.com/shinewave/utils/blob/master/SerialPort/utt.c-UART Test utility for DOS, works in interrupt mode or poll mode. Please compile with TC2.0. view https://github.com/shinewave/utils