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authorFederico Fissore <f.fissore@arduino.cc>2013-05-13 16:58:10 +0200
committerFederico Fissore <f.fissore@arduino.cc>2013-05-13 16:58:10 +0200
commitb70954ea256f94afdd941e2c89a086887b496c13 (patch)
treebd9fb74f61b1351a32b8b48cef8f04863d9d6df8 /libraries/WiFi/examples/WiFiWebClientRepeating/WiFiWebClientRepeating.ino
parentc48c0f9e2cebe0e3ebda7aa5c4f9096b9586ed9e (diff)
parent7207108255a772474b322151cb0fd113e8030afe (diff)
Merge remote-tracking branch 'arduino/ide-1.5.x' into ide-1.5.x-discovery
Diffstat (limited to 'libraries/WiFi/examples/WiFiWebClientRepeating/WiFiWebClientRepeating.ino')
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diff --git a/libraries/WiFi/examples/WiFiWebClientRepeating/WiFiWebClientRepeating.ino b/libraries/WiFi/examples/WiFiWebClientRepeating/WiFiWebClientRepeating.ino
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+++ b/libraries/WiFi/examples/WiFiWebClientRepeating/WiFiWebClientRepeating.ino
@@ -0,0 +1,138 @@
+/*
+ Repeating Wifi Web client
+
+ This sketch connects to a a web server and makes a request
+ using an Arduino Wifi shield.
+
+ Circuit:
+ * Wifi shield attached to pins 10, 11, 12, 13
+
+ created 23 April 2012
+ modifide 31 May 2012
+ by Tom Igoe
+
+ http://arduino.cc/en/Tutorial/WifiWebClientRepeating
+ This code is in the public domain.
+ */
+
+#include <SPI.h>
+#include <WiFi.h>
+
+char ssid[] = "yourNetwork"; // your network SSID (name)
+char pass[] = "secretPassword"; // your network password
+int keyIndex = 0; // your network key Index number (needed only for WEP)
+
+int status = WL_IDLE_STATUS;
+
+// Initialize the Wifi client library
+WiFiClient client;
+
+// server address:
+char server[] = "www.arduino.cc";
+//IPAddress server(64,131,82,241);
+
+unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds
+boolean lastConnected = false; // state of the connection last time through the main loop
+const unsigned long postingInterval = 10*1000; // delay between updates, in milliseconds
+
+void setup() {
+ //Initialize serial and wait for port to open:
+ Serial.begin(9600);
+ while (!Serial) {
+ ; // wait for serial port to connect. Needed for Leonardo only
+ }
+
+ // check for the presence of the shield:
+ if (WiFi.status() == WL_NO_SHIELD) {
+ Serial.println("WiFi shield not present");
+ // don't continue:
+ while(true);
+ }
+
+ // attempt to connect to Wifi network:
+ while ( status != WL_CONNECTED) {
+ Serial.print("Attempting to connect to SSID: ");
+ Serial.println(ssid);
+ // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
+ status = WiFi.begin(ssid, pass);
+
+ // wait 10 seconds for connection:
+ delay(10000);
+ }
+ // you're connected now, so print out the status:
+ printWifiStatus();
+}
+
+void loop() {
+ // if there's incoming data from the net connection.
+ // send it out the serial port. This is for debugging
+ // purposes only:
+ while (client.available()) {
+ char c = client.read();
+ Serial.write(c);
+ }
+
+ // if there's no net connection, but there was one last time
+ // through the loop, then stop the client:
+ if (!client.connected() && lastConnected) {
+ Serial.println();
+ Serial.println("disconnecting.");
+ client.stop();
+ }
+
+ // if you're not connected, and ten seconds have passed since
+ // your last connection, then connect again and send data:
+ if(!client.connected() && (millis() - lastConnectionTime > postingInterval)) {
+ httpRequest();
+ }
+ // store the state of the connection for next time through
+ // the loop:
+ lastConnected = client.connected();
+}
+
+// this method makes a HTTP connection to the server:
+void httpRequest() {
+ // if there's a successful connection:
+ if (client.connect(server, 80)) {
+ Serial.println("connecting...");
+ // send the HTTP PUT request:
+ client.println("GET /latest.txt HTTP/1.1");
+ client.println("Host: www.arduino.cc");
+ client.println("User-Agent: arduino-ethernet");
+ client.println("Connection: close");
+ client.println();
+
+ // note the time that the connection was made:
+ lastConnectionTime = millis();
+ }
+ else {
+ // if you couldn't make a connection:
+ Serial.println("connection failed");
+ Serial.println("disconnecting.");
+ client.stop();
+ }
+}
+
+
+void printWifiStatus() {
+ // print the SSID of the network you're attached to:
+ Serial.print("SSID: ");
+ Serial.println(WiFi.SSID());
+
+ // print your WiFi shield's IP address:
+ IPAddress ip = WiFi.localIP();
+ Serial.print("IP Address: ");
+ Serial.println(ip);
+
+ // print the received signal strength:
+ long rssi = WiFi.RSSI();
+ Serial.print("signal strength (RSSI):");
+ Serial.print(rssi);
+ Serial.println(" dBm");
+}
+
+
+
+
+
+