// This demo does web requests to a fixed IP address, using a fixed gateway. // 2010-11-27 http://opensource.org/licenses/mit-license.php #include #define REQUEST_RATE 5000 // milliseconds // ethernet interface mac address static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x31 }; // ethernet interface ip address static byte myip[] = { 192,168,1,203 }; // gateway ip address static byte gwip[] = { 192,168,1,1 }; // remote website ip address and port static byte hisip[] = { 74,125,79,99 }; // remote website name const char website[] PROGMEM = "google.com"; byte Ethernet::buffer[300]; // a very small tcp/ip buffer is enough here static long timer; // called when the client request is complete static void my_result_cb (byte status, word off, word len) { Serial.print("<<< reply "); Serial.print(millis() - timer); Serial.println(" ms"); Serial.println((const char*) Ethernet::buffer + off); } void setup () { Serial.begin(57600); Serial.println("\n[getStaticIP]"); if (ether.begin(sizeof Ethernet::buffer, mymac) == 0) Serial.println( "Failed to access Ethernet controller"); ether.staticSetup(myip, gwip); ether.copyIp(ether.hisip, hisip); ether.printIp("Server: ", ether.hisip); while (ether.clientWaitingGw()) ether.packetLoop(ether.packetReceive()); Serial.println("Gateway found"); timer = - REQUEST_RATE; // start timing out right away } void loop () { ether.packetLoop(ether.packetReceive()); if (millis() > timer + REQUEST_RATE) { timer = millis(); Serial.println("\n>>> REQ"); ether.browseUrl(PSTR("/foo/"), "bar", website, my_result_cb); } }