gsm modem串口通信，Delphi的源代码-gsm modem serial communication, Delphi source code

modem at 命令调试程序源代码，delphi程序，调试AT命令的好工具-modem at the source code debugger command, delphi process, a good debugging tool for AT command

Delphi串口开发控件, 包含DELPHI源代码-Delphi Serial Port VCL Version 2.5 1. Add OnSendDataEmpty event handler when all data in buffer are sent(send-buffer become empty) this handler is called. You may call send data here. 2. Ch