Delphi7 串口通讯 封装的DLL，实现多线程对串口的监控，十六进制数据的写入等基本串口操作方法。-Delphi7 serial communication package DLL, multi-thread serial port monitor, hex data, the basic serial write operation method.

CommMonitor4串口监视精灵DLL版调用接口，Delphi7版演示程序 -Serial Port Monitoring Wizard DLL version CommMonitor4 call interface, Delphi7 version demo