A snippet of firmware for WarSting, a wardriving sword for Hobbits

warsting.ino

/**
 * Slay and pillage an unprotected network! ...oh, we can't do that? 
 * Ok, let's publish an event instead, to a backdrop of flashing lights and
 * clashing of metal on metal.
 */
void vanquishOpenNetwork() {
    if (!openNetworkCount || !strongest.rssi)
        return;
    RGB.control(false);     // allow the system to control the LED so we can see cloud connection progress
    makeSound();
    String name = ssid(strongest);
    WiFi.on();
    WiFi.setCredentials(name.c_str());
    makeSound();
    WiFi.connect();
    if (waitForWifi(20000)) {    // wait for the DHCP to complete
        Spark.connect();         // start connecting to the cloud
        if (waitForCloud(true, 30000))  // wait for connection
        {
            Spark.publish("vanquished",name);  // Feel the Wrath!            
            makeSound();

            for (int i=0; i<50; i++) {         // flash the LED faster and faster
                setLight(240);
                int d = (60-i)*(60-i)/20;
                delay(d);
                soundfx();
                setLight(0);
                delay(d);
            }
            
            openNetworkCount--;                // one less unsecured network!
            seen.push_back(name);              // remember that we've dealt with this one
            strongest.rssi = 0;
            Spark.disconnect();
            WiFi.disconnect();
        }
    }
    RGB.control(true);
}