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Diffstat (limited to 'libraries/Ethernet/examples/WebClient/WebClient.ino')
-rw-r--r-- | libraries/Ethernet/examples/WebClient/WebClient.ino | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/libraries/Ethernet/examples/WebClient/WebClient.ino b/libraries/Ethernet/examples/WebClient/WebClient.ino new file mode 100644 index 0000000..40523a4 --- /dev/null +++ b/libraries/Ethernet/examples/WebClient/WebClient.ino @@ -0,0 +1,88 @@ +/* + 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[] = { 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 +// 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: + // try to congifure using IP address instead of DHCP: + Ethernet.begin(mac, ip); + } + // 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(server, 80)) { + Serial.println("connected"); + // Make a HTTP request: + client.println("GET /search?q=arduino HTTP/1.1"); + client.println("Host: www.google.com"); + client.println("Connection: close"); + 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); + } +} + |