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Diffstat (limited to 'libraries/Ethernet/examples/WebClient')
-rw-r--r--libraries/Ethernet/examples/WebClient/WebClient.ino24
1 files changed, 16 insertions, 8 deletions
diff --git a/libraries/Ethernet/examples/WebClient/WebClient.ino b/libraries/Ethernet/examples/WebClient/WebClient.ino
index 5d5d7f2..40523a4 100644
--- a/libraries/Ethernet/examples/WebClient/WebClient.ino
+++ b/libraries/Ethernet/examples/WebClient/WebClient.ino
@@ -8,8 +8,9 @@
* Ethernet shield attached to pins 10, 11, 12, 13
created 18 Dec 2009
- modified 9 Apr 2012
by David A. Mellis
+ modified 9 Apr 2012
+ by Tom Igoe, based on work by Adrian McEwen
*/
@@ -18,8 +19,14 @@
// Enter a MAC address for your controller below.
// Newer Ethernet shields have a MAC address printed on a sticker on the shield
-byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
-IPAddress server(173,194,33,104); // Google
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+// if you don't want to use DNS (and reduce your sketch size)
+// use the numeric IP instead of the name for the server:
+//IPAddress server(74,125,232,128); // numeric IP for Google (no DNS)
+char server[] = "www.google.com"; // name address for Google (using DNS)
+
+// Set the static IP address to use if the DHCP fails to assign
+IPAddress ip(192,168,0,177);
// Initialize the Ethernet client library
// with the IP address and port of the server
@@ -37,8 +44,8 @@ void setup() {
if (Ethernet.begin(mac) == 0) {
Serial.println("Failed to configure Ethernet using DHCP");
// no point in carrying on, so do nothing forevermore:
- for(;;)
- ;
+ // try to congifure using IP address instead of DHCP:
+ Ethernet.begin(mac, ip);
}
// give the Ethernet shield a second to initialize:
delay(1000);
@@ -48,7 +55,9 @@ void setup() {
if (client.connect(server, 80)) {
Serial.println("connected");
// Make a HTTP request:
- client.println("GET /search?q=arduino HTTP/1.0");
+ client.println("GET /search?q=arduino HTTP/1.1");
+ client.println("Host: www.google.com");
+ client.println("Connection: close");
client.println();
}
else {
@@ -73,8 +82,7 @@ void loop()
client.stop();
// do nothing forevermore:
- for(;;)
- ;
+ while(true);
}
}