linux usbkiller的驱动电子书集 对开发linux地层程序有很好的指导作用...

一个串口通信控制程序，用于PC机间通信或者PC机与PLC通信-A serial communication control program for communication between PC, or PC, and PLC communication

CAN总线接口电路的设计与实现,CAN总线接口电路的设计与实现.-CAN Bus Interface Circuit Design and Implementation, CAN Bus Interface Circuit Design and Implementation.

modbus server 实现一个MODBUS SERVER-modbus server realize a MODBUS SERVER

这是tcp/ip通讯的vc++控件及范例源码，包含一组非常优秀的socket控件源码，demo程序包括客户端程序和服务端程序，实现tcp/ip通信的数据接收发送。-This is the tcp/ip communication and control vc example source code, contains a set of socket excellent source control, demo procedures including client and server procedures, tcp/ip communication of this data reception.

自己写的用于modbusrtu的通讯，可以连接各类变频器温控仪等，而且是完整的工程文件，可以修改做他用-himself wrote for modbusrtu communications, can be connected to various types of converter temperature control instrument, but it is a complete engineering documents can be amended so he

Windows套接字编程的实现，本源代码是socket通信中客户端的实现。-Windows Sockets programme, this code is the implementation of the Client,by C++.

RFC1055通过串行线路传输IP数据报的非标准：SLIP

通过串行口访问Modbus现场控制网络,概述了modbus相关内容-Modbus serial port access through the on-site control network, an overview of relevant content modbus

vc写的一个终端程序，可支持telnet和串口，标准终端协议。功能很全，且运行稳定。-vc write a terminal program, to support telnet and serial, standard terminal agreement. All very functional, and stable operation.

海南联通的一个SGIP协议短信API的例子程序，从事软件开发人员-Hainan Unicom an agreement SGIP SMS API examples procedures, software developers