W5200NetIf.cpp

00001 // W5200NetIf.cpp 2012/4/13
00002 #include "W5200NetIf.h"
00003 #include "DHCPClient.h"
00004 #include "w5100.h"
00005 
00006 W5200NetIf:: W5200NetIf():MyNetIf(), m_netmask(255,255,255,255), m_gateway(), m_hostname(NULL) {
00007     m_hostname = NULL;
00008     m_useDhcp = true;
00009 }
00010 
00011 W5200NetIf::W5200NetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns) :MyNetIf(), m_hostname(NULL) {
00012     m_hostname = NULL;
00013     m_ip = ip;
00014     m_netmask = netmask;
00015     m_gateway = gateway;
00016     m_dns = dns;
00017     m_useDhcp = false;
00018 }
00019 
00020 W5200Err W5200NetIf::IPrenew(int timeout_ms) {
00021     printf("DHCP Started, waiting for IP...\n");  
00022     DHCPClient dhcp;
00023     int err = dhcp.setup(timeout_ms);
00024     if (err == (-1)) {
00025         printf("Timeout.\n");
00026         return W5200_TIMEOUT;
00027     }
00028     printf("Connected, IP: %d.%d.%d.%d\n", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
00029     m_ip = IpAddr(dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
00030     m_netmask = IpAddr(dhcp.netmask[0],dhcp.netmask[1],dhcp.netmask[2],dhcp.netmask[3]);
00031     m_gateway = IpAddr(dhcp.gateway[0],dhcp.gateway[1],dhcp.gateway[2],dhcp.gateway[3]);
00032     uint8_t t[4];
00033     t[0] = m_ip[0];
00034     t[1] = m_ip[1];
00035     t[2] = m_ip[2];
00036     t[3] = m_ip[3];
00037     W5100.writeSIPR(t);
00038     t[0] = m_netmask[0];
00039     t[1] = m_netmask[1];
00040     t[2] = m_netmask[2];
00041     t[3] = m_netmask[3];
00042     W5100.writeSUBR(t);
00043     t[0] = m_gateway[0];
00044     t[1] = m_gateway[1];
00045     t[2] = m_gateway[2];
00046     t[3] = m_gateway[3];
00047     W5100.writeGAR(t);
00048     m_dns = IpAddr(dhcp.dnsaddr[0],dhcp.dnsaddr[1],dhcp.dnsaddr[2],dhcp.dnsaddr[3]);
00049     return W5200_OK;
00050 }
00051 
00052 W5200Err W5200NetIf::IPrelease(int timeout_ms) {
00053     return W5200_OK;
00054 }
00055 
00056 W5200Err W5200NetIf::setup(int timeout_ms) {
00057     MyNetIf::init();
00058     uint8_t mac[6] = {0x00,0x00,0x5e,0x00,0x01,0x01};
00059     W5100.setMACAddress(mac);
00060     printf("HW Addr is : %02x:%02x:%02x:%02x:%02x:%02x.\n", mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]);
00061     if(! m_useDhcp) {
00062         return W5200_OK;
00063     }
00064     return IPrenew(timeout_ms);
00065 }