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-rw-r--r--libraries/Ethernet/examples/DnsWebClient/DnsWebClient.ino81
-rw-r--r--libraries/Ethernet/examples/TwitterClient/TwitterClient.ino1
-rw-r--r--libraries/Ethernet/examples/WebClient/WebClient.ino24
-rw-r--r--libraries/Ethernet/examples/WebServer/WebServer.ino7
4 files changed, 20 insertions, 93 deletions
diff --git a/libraries/Ethernet/examples/DnsWebClient/DnsWebClient.ino b/libraries/Ethernet/examples/DnsWebClient/DnsWebClient.ino
deleted file mode 100644
index c14abf4..0000000
--- a/libraries/Ethernet/examples/DnsWebClient/DnsWebClient.ino
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- DNS and DHCP-based Web client
-
- This sketch connects to a website (http://www.google.com)
- using an Arduino Wiznet Ethernet shield.
-
- Circuit:
- * Ethernet shield attached to pins 10, 11, 12, 13
-
- created 18 Dec 2009
- by David A. Mellis
- modified 9 Apr 2012
- by Tom Igoe, based on work by Adrian McEwen
-
- */
-
-#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 };
-char serverName[] = "www.google.com";
-
-// 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);
- 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:
- while(true);
- }
- // give the Ethernet shield a second to initialize:
- delay(1000);
- Serial.println("connecting...");
-
- // if you get a connection, report back via serial:
-
- if (client.connect(serverName, 80)) {
- Serial.println("connected");
- // Make a HTTP request:
- client.println("GET /search?q=arduino HTTP/1.0");
- client.println();
- }
- else {
- // kf you didn't get a connection to the server:
- Serial.println("connection failed");
- }
-}
-
-void loop()
-{
- // if there are incoming bytes available
- // from the server, read them and print them:
- if (client.available()) {
- char c = client.read();
- Serial.print(c);
- }
-
- // if the server's disconnected, stop the client:
- if (!client.connected()) {
- Serial.println();
- Serial.println("disconnecting.");
- client.stop();
-
- // do nothing forevermore:
- while(true);
- }
-}
-
diff --git a/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino b/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino
index 3587d72..9fee1fe 100644
--- a/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino
+++ b/libraries/Ethernet/examples/TwitterClient/TwitterClient.ino
@@ -127,6 +127,7 @@ void connectToServer() {
// make HTTP GET request to twitter:
client.println("GET /1/statuses/user_timeline.xml?screen_name=arduino&count=1 HTTP/1.1");
client.println("HOST: api.twitter.com");
+ client.println("Connection: close");
client.println();
}
// note the time of this connect attempt:
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);
}
}
diff --git a/libraries/Ethernet/examples/WebServer/WebServer.ino b/libraries/Ethernet/examples/WebServer/WebServer.ino
index 0573f05..5e5d67a 100644
--- a/libraries/Ethernet/examples/WebServer/WebServer.ino
+++ b/libraries/Ethernet/examples/WebServer/WebServer.ino
@@ -22,7 +22,7 @@
// The IP address will be dependent on your local network:
byte mac[] = {
0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
-IPAddress ip(192,168,1, 177);
+IPAddress ip(192,168,1,177);
// Initialize the Ethernet server library
// with the IP address and port you want to use
@@ -63,12 +63,11 @@ void loop() {
// send a standard http response header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
- client.println("Connection: close");
+ client.println("Connection: close"); // the connection will be closed after completion of the response
+ client.println("Refresh: 5"); // refresh the page automatically every 5 sec
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
- // add a meta refresh tag, so the browser pulls again every 5 seconds:
- client.println("<meta http-equiv=\"refresh\" content=\"5\">");
// output the value of each analog input pin
for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
int sensorReading = analogRead(analogChannel);