今年上半年我为现公司一款流量计产品编写的上位机Modbus通讯程序（下位机程序也是我用C编写的，由于受到法律许可限制，在此不能上传，不过在将来我会把设计思路传上共享），包括自创的Modbus协议的Delphi实现及其完整调用，还有一份我编写的该产品的完整的Modbus协议说明书，非常有参考价值。,First half of this year the company I am now prepared a flowmeter products PC Modbus communications p

Delphi source : how to read from SMTP. Is compatible with Exchange. You can read mails. Will upload how to write later.

GPRSDTU客户数据中心源程序Delphi实现，实现了DTU上传数据的接收和显示以及对DTU的远程设置功能，其中动态链接库wcomm_dll.dll实现了与远程DTU的通信。-GPRSDTU customer data source, DTU upload data reception and display, as well as the remote setting function of the DTU, including dynamic link The library wco