Arduino/libraries/Ethernet/Ethernet.cpp

#include "w5100.h"
#include "Ethernet.h"

// XXX: don't make assumptions about the value of MAX_SOCK_NUM.
uint8_t EthernetClass::_state[MAX_SOCK_NUM] = { 
  0, 0, 0, 0 };
uint16_t EthernetClass::_server_port[MAX_SOCK_NUM] = { 
  0, 0, 0, 0 };

void EthernetClass::begin(uint8_t *mac, uint8_t *ip)
{
  uint8_t gateway[4];
  gateway[0] = ip[0];
  gateway[1] = ip[1];
  gateway[2] = ip[2];
  gateway[3] = 1;
  begin(mac, ip, gateway);
}

void EthernetClass::begin(uint8_t *mac, uint8_t *ip, uint8_t *gateway)
{
  uint8_t subnet[] = { 
    255, 255, 255, 0   };
  begin(mac, ip, gateway, subnet);
}

void EthernetClass::begin(uint8_t *mac, uint8_t *ip, uint8_t *gateway, uint8_t *subnet)
{
  W5100.init();
  W5100.setMACAddress(mac);
  W5100.setIPAddress(ip);
  W5100.setGatewayIp(gateway);
  W5100.setSubnetMask(subnet);
}

EthernetClass Ethernet;