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+/*
+ DHCP-based IP printer
+
+ This sketch uses the DHCP extensions to the Ethernet library
+ to get an IP address via DHCP and print the address obtained.
+ using an Arduino Wiznet Ethernet shield.
+
+ Circuit:
+ * Ethernet shield attached to pins 10, 11, 12, 13
+
+ created 12 April 2011
+ modified 9 Apr 2012
+ by Tom Igoe
+
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// Enter a MAC address for your controller below.
+// Newer Ethernet shields have a MAC address printed on a sticker on the shield
+byte mac[] = {
+ 0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 };
+
+// Initialize the Ethernet client library
+// with the IP address and port of the server
+// that you want to connect to (port 80 is default for HTTP):
+EthernetClient client;
+
+void setup() {
+ // Open serial communications and wait for port to open:
+ Serial.begin(9600);
+ // this check is only needed on the Leonardo:
+ while (!Serial) {
+ ; // wait for serial port to connect. Needed for Leonardo only
+ }
+
+ // start the Ethernet connection:
+ if (Ethernet.begin(mac) == 0) {
+ Serial.println("Failed to configure Ethernet using DHCP");
+ // no point in carrying on, so do nothing forevermore:
+ for(;;)
+ ;
+ }
+ // print your local IP address:
+ Serial.print("My IP address: ");
+ for (byte thisByte = 0; thisByte < 4; thisByte++) {
+ // print the value of each byte of the IP address:
+ Serial.print(Ethernet.localIP()[thisByte], DEC);
+ Serial.print(".");
+ }
+ Serial.println();
+}
+
+void loop() {
+
+}
+
+