此部分实现了一个动态WEB服务器，具体包括对RTL8019的初始化过程,IP、ICMP、TCP、UDP及HTTP协议的实现-achieve this part of a dynamic Web server, specifically including the right RTL8019 initialization process. IP, ICMP, TCP, UDP and HTTP Protocol Implementation

此部分代码实现了基于ARM7和RTL8019的简单网络通信，具体包括网卡芯片的初始化和ARP、IP、ICMP等协议的实现，可以PING通网络。-achieve this part of the code based on ARM7 and RTL8019 simple network communications, include the NIC chip initialization and ARP, IP, ICMP, the realization of the agreement, PI

这是为51单片机编的tcpip协议栈，网卡控制芯片用的是rtl8019as，他实现了以太网协议，arp协议，icmp协议，ip协议，tcp协议，和http协议

一个DTU代码，包括LCP、ICMP、UDP-A DTU code, including LCP, ICMP, UDP