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// This example modifies the Ethernet Client example to use
// a randomly generated MAC address
//
// This has the advantage that no MAC addresses will clash, even if
// every device uses exactly the same code on its Arduino.
//
// This example is identical to the Ethernet/Client example
// with three changes to utilise TrueRandom.
#include <Ethernet.h>
//
// Change 1/3: Include TrueRandom library
#include <TrueRandom.h>
//
//
//
// Change 2/3: Include TrueRandom library
// TrueRandom sets this, so no default is needed here.
byte mac[6];
//
//
byte ip[] = { 10, 0, 0, 177 };
byte server[] = { 64, 233, 187, 99 }; // Google
Client client(server, 80);
void setup()
{
//
// Change 3/3: Set a random MAC address using TrueRandom
TrueRandom.mac(mac);
//
//
Ethernet.begin(mac, ip);
Serial.begin(9600);
delay(1000);
Serial.println("connecting...");
if (client.connect()) {
Serial.println("connected");
client.println("GET /search?q=arduino HTTP/1.0");
client.println();
} else {
Serial.println("connection failed");
}
}
void loop()
{
if (client.available()) {
char c = client.read();
Serial.print(c);
}
if (!client.connected()) {
Serial.println();
Serial.println("disconnecting.");
client.stop();
for(;;)
;
}
}
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