Gadgeteer WiFi Weather Station 01

using System;
using System.Threading;
using System.Xml;
using Microsoft.SPOT;
using Gadgeteer.Networking;
using GT = Gadgeteer;
using GTM = Gadgeteer.Modules;
using Gadgeteer.Modules.GHIElectronics;

namespace Gadgeteer_Wifi_04
{
    public partial class Program
    {
        // create a time based event robot to trigger repeated tasks
        GT.Timer timer = new GT.Timer(60000, GT.Timer.BehaviorType.RunContinuously);

        // This method is run when the mainboard is powered up or reset.
        void ProgramStarted()
        {
            // jump to the StartWiFi method that starts the WiFi
            StartWiFi();

            // create a button watching robot to trigger things when the button is pressed
            button.ButtonPressed += new Button.ButtonEventHandler(button_ButtonPressed);

            // set the timer robot so it fires off a tick event
            timer.Tick += new GT.Timer.TickEventHandler(timer_Tick);

            // print something so we know we have started
            Debug.Print("Program Started");
        }

        void timer_Tick(GT.Timer timer)
        {
            // what do we want to happen when the timer tick event fires
            // get some xml from the internet
            GetXmlFromWeb();
        }

        void GetXmlFromWeb()
        {
            WebClient.GetFromWeb("http://www.google.com/ig/api?weather=02903").ResponseReceived += new HttpRequest.ResponseHandler(Program_ResponseReceived);
        }

        void StartWiFi()
        {
            wifi.UseDHCP();
            Gadgeteer.Modules.GHIElectronics.WiFi_RS21.WiFiNetworkInfo info = new WiFi_RS21.WiFiNetworkInfo();
            info.SSID = "network_name";
            info.SecMode = WiFi_RS21.SecurityMode.WEP;
            info.networkType = WiFi_RS21.NetworkType.AccessPoint;
            wifi.Join(info, "network_password");
            wifi.NetworkDown += new GTM.Module.NetworkModule.NetworkEventHandler(wifi_NetworkDown);
            wifi.NetworkUp += new GTM.Module.NetworkModule.NetworkEventHandler(wifi_NetworkUp);
        }

        void wifi_NetworkDown(GTM.Module.NetworkModule sender, GTM.Module.NetworkModule.NetworkState state)
        {
            Debug.Print("network down: connecting....");
            timer.Stop();
        }

        void wifi_NetworkUp(GTM.Module.NetworkModule sender, GTM.Module.NetworkModule.NetworkState state)
        {
            Debug.Print("network up");
            Debug.Print(wifi.NetworkSettings.IPAddress);
            GetXmlFromWeb();
            timer.Start();
        }

        void Program_ResponseReceived(HttpRequest sender, HttpResponse response)
        {
            string elementHolder;

                XmlReader reader = XmlReader.Create(response.Stream);

                while (reader.Read())
                {
                        switch (reader.NodeType)
                        {
                            case XmlNodeType.Element:
                                //Debug.Print("Element: " + reader.Name);
                                //if (reader.HasAttributes && reader.Name.Equals("current_conditions"))
                                if (reader.Name.Equals("current_conditions"))
                                    {
                                    reader.ReadToFollowing("condition");
                                    reader.MoveToFirstAttribute();
                                    Debug.Print("Today: " + reader.Value);
                                    }
                                else if (reader.Name.Equals("forecast_conditions"))
                                    {
                                    reader.ReadToFollowing("day_of_week");
                                    reader.MoveToFirstAttribute();
                                    elementHolder = reader.Value;
                                    reader.ReadToFollowing("condition");
                                    reader.MoveToFirstAttribute();
                                    Debug.Print(elementHolder + ": " + reader.Value);
                                    }
                                break;

                            case XmlNodeType.EndElement:
                                //Debug.Print("End of Element");
                                break;
                        }

                }

                //Debug.Print(response.StatusCode);

        }



        void button_ButtonPressed(Button sender, Button.ButtonState state)
        {
            GetXmlFromWeb();
        }

    }
}