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root / arduino-1.0 / libraries / Ethernet / examples / DhcpAddressPrinter / DhcpAddressPrinter.ino @ 58d82c77

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/*
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  DHCP-based IP printer
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 This sketch uses the DHCP extensions to the Ethernet library
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 to get an IP address via DHCP and print the address obtained.
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 using an Arduino Wiznet Ethernet shield. 
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 Circuit:
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 * Ethernet shield attached to pins 10, 11, 12, 13
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 created 12 April 2011
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 by Tom Igoe
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 */
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#include <SPI.h>
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#include <Ethernet.h>
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// Enter a MAC address for your controller below.
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// Newer Ethernet shields have a MAC address printed on a sticker on the shield
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byte mac[] = {  
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  0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 };
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// Initialize the Ethernet client library
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// with the IP address and port of the server 
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// that you want to connect to (port 80 is default for HTTP):
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EthernetClient client;
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void setup() {
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  // start the serial library:
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  Serial.begin(9600);
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  // start the Ethernet connection:
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  if (Ethernet.begin(mac) == 0) {
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    Serial.println("Failed to configure Ethernet using DHCP");
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    // no point in carrying on, so do nothing forevermore:
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    for(;;)
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      ;
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  }
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  // print your local IP address:
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  Serial.print("My IP address: ");
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  for (byte thisByte = 0; thisByte < 4; thisByte++) {
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    // print the value of each byte of the IP address:
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    Serial.print(Ethernet.localIP()[thisByte], DEC);
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    Serial.print("."); 
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  }
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  Serial.println();
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}
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void loop() {
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}
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