/* Web client This sketch connects to a website through a GSM shield. Specifically, this example downloads the URL "http://www.arduino.cc/asciilogo.txt" and prints it to the Serial monitor. Circuit: * GSM shield attached to an Arduino * SIM card with a data plan created 8 Mar 2012 by Tom Igoe http://www.arduino.cc/en/Tutorial/GSMExamplesWebClient */ // libraries #include // PIN Number #define PINNUMBER "" // APN data #define GPRS_APN "GPRS_APN" // replace your GPRS APN #define GPRS_LOGIN "login" // replace with your GPRS login #define GPRS_PASSWORD "password" // replace with your GPRS password // initialize the library instance GSMClient client; GPRS gprs; GSM gsmAccess; // URL, path & port (for example: arduino.cc) char server[] = "arduino.cc"; char path[] = "/asciilogo.txt"; int port = 80; // port 80 is the default for HTTP void setup() { // initialize serial communications and wait for port to open: Serial.begin(9600); while (!Serial) { ; // wait for serial port to connect. Needed for Leonardo only } Serial.println("Starting Arduino web client."); // connection state boolean notConnected = true; // After starting the modem with GSM.begin() // attach the shield to the GPRS network with the APN, login and password while (notConnected) { if ((gsmAccess.begin(PINNUMBER) == GSM_READY) & (gprs.attachGPRS(GPRS_APN, GPRS_LOGIN, GPRS_PASSWORD) == GPRS_READY)) { notConnected = false; } else { Serial.println("Not connected"); delay(1000); } } Serial.println("connecting..."); // if you get a connection, report back via serial: if (client.connect(server, port)) { Serial.println("connected"); // Make a HTTP request: client.print("GET "); client.print(path); client.println(" HTTP/1.1"); client.print("Host: "); client.println(server); client.println("Connection: close"); client.println(); } else { // if 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.available() && !client.connected()) { Serial.println(); Serial.println("disconnecting."); client.stop(); // do nothing forevermore: for (;;) ; } }