* modbus C语言编写的子程序源代码 功能:显示和键盘相关子程序...

ISO 13239为关于HDLC协议的国际标准，详细定义了HDLC的内容，通过该协议可以完成标准的HDLC编程-ISO 13239 for HDLC agreement on international standards, a detailed definition of the content of HDLC, adoption of the agreement will be completed standard HDLC Programming

基于TCP的C/S实例,可实现C/S连接并传输文件  环境：QT4.7 qt creator 2.0.1 windows下的，下附CLIENT实现文件源码：#include "client.h"#include "ui_client.h"#include #include Client::Client(QWidget *parent) : QDialog(parent),

7号信令系统源码-Signaling System 7 source

bdi2000 的使用说明文档。 BDI2000-很牛的仿真器,用它可以开发ARM7、ARM9、PowerPC860、MIPS、Xscale系列-bdi2000 the use of documentation. BDI2000-very cattle simulator, which can be developed using ARM7, ARM9, PowerPC860, MIPS, XScale series

S7-200之间网络通信读写数据的程序，包括通信口，数据速率，控制字等的设置。-S7-200 to read and write data between the network communication procedures, including the communication port, data rate, control words and other settings.

获取Modem的信息 -Getting the information of Modem

GSM 07.05通讯标准-GSM 07.05 communications standards

SIP消息之逐项讲解 SIP消息之逐项讲解-SIP news itemized on the SIP news itemized on the SIP news itemized on

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.

RFC3030:用于传输大型和二进制MIME消息的SMTP服务扩展