/* 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 SPI pins and pin 7 created 23 April 2012 modified 31 May 2012 by Tom Igoe modified 13 Jan 2014 by Federico Vanzati http://arduino.cc/en/Tutorial/WiFiWebClientRepeating This code is in the public domain. */ #include #include #include "arduino_secrets.h" ///////please enter your sensitive data in the Secret tab/arduino_secrets.h char ssid[] = SECRET_SSID; // your network SSID (name) char pass[] = SECRET_PASS; // your network password (use for WPA, or use as key for WEP) 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[] = "example.org"; //IPAddress server(64,131,82,241); unsigned long lastConnectionTime = 0; // last time you connected to the server, in milliseconds const unsigned long postingInterval = 10L * 1000L; // 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 native USB port 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 ten seconds have passed since your last connection, // then connect again and send data: if (millis() - lastConnectionTime > postingInterval) { httpRequest(); } } // this method makes a HTTP connection to the server: void httpRequest() { // close any connection before send a new request. // This will free the socket on the WiFi shield client.stop(); // if there's a successful connection: if (client.connect(server, 80)) { Serial.println("connecting..."); // send the HTTP PUT request: client.println("GET / HTTP/1.1"); client.println("Host: example.org"); client.println("User-Agent: ArduinoWiFi/1.1"); 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"); } } 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"); }