private void ProcessRequest(HttpListenerContext context)
{
var request = context.Request;
var response = context.Response;
string responseString;
string ssid = null;
string password = null;
bool isApSet = false;
switch (request.HttpMethod)
{
case "GET":
string[] url = request.RawUrl.Split('?');
if (url[0] == "/favicon.ico")
{
response.ContentType = "image/png";
byte[] responseBytes = Resources.GetBytes(Resources.BinaryResources.favicon);
OutPutByteResponse(response, responseBytes);
}
else
{
response.ContentType = "text/html";
responseString = ReplaceMessage(Resources.GetString(Resources.StringResources.main), "");
OutPutResponse(response, responseString);
}
break;
case "POST":
// Pick up POST parameters from Input Stream
Hashtable hashPars = ParseParamsFromStream(request.InputStream);
ssid = (string)hashPars["ssid"];
password = (string)hashPars["password"];
Debug.WriteLine($"Wireless parameters SSID:{ssid} PASSWORD:{password}");
string message = "<p>New settings saved.</p><p>Rebooting device to put into normal mode</p>";
responseString = CreateMainPage(message);
OutPutResponse(response, responseString);
isApSet = true;
break;
}
response.Close();
if (isApSet && (!string.IsNullOrEmpty(ssid)) && (!string.IsNullOrEmpty(password)))
{
// Enable the Wireless station interface
Wireless80211.Configure(ssid, password);
// Disable the Soft AP
WirelessAP.Disable();
Thread.Sleep(200);
Power.RebootDevice();
}
}
public static void Main()
{
Debug.WriteLine("Welcome to WiFI Soft AP world!");
GpioPin setupButton = GpioController.GetDefault().OpenPin(SETUP_PIN);
setupButton.SetDriveMode(GpioPinDriveMode.InputPullUp);
// If Wireless station is not enabled then start Soft AP to allow Wireless configuration
// or Button pressed
if (!Wireless80211.IsEnabled() || (setupButton.Read() == GpioPinValue.Low))
{
Wireless80211.Disable();
if (WirelessAP.Setup() == false)
{
// Reboot device to Activate Access Point on restart
Debug.WriteLine($"Setup Soft AP, Rebooting device");
Power.RebootDevice();
}
Debug.WriteLine($"Running Soft AP, waiting for client to connect");
Debug.WriteLine($"Soft AP IP address :{WirelessAP.GetIP()}");
// Link up Network event to show Stations connecting/disconnecting to Access point.
NetworkChange.NetworkAPStationChanged += NetworkChange_NetworkAPStationChanged;;
}
else
{
Debug.WriteLine($"Running in normal mode, connecting to Access point");
string IpAdr = Wireless80211.WaitIP();
Debug.WriteLine($"Connected as {IpAdr}");
}
// Just wait for now
// Here you would have the reset of your program using the client WiFI link
Thread.Sleep(Timeout.Infinite);
}
public static void Main()
{
Debug.WriteLine("Welcome to WiFI Soft AP world!");
var gpioController = new GpioController();
GpioPin setupButton = gpioController.OpenPin(SETUP_PIN, PinMode.InputPullUp);
// If Wireless station is not enabled then start Soft AP to allow Wireless configuration
// or Button pressed
if (!Wireless80211.IsEnabled() || (setupButton.Read() == PinValue.High))
{
Wireless80211.Disable();
if (WirelessAP.Setup() == false)
{
// Reboot device to Activate Access Point on restart
Debug.WriteLine($"Setup Soft AP, Rebooting device");
Power.RebootDevice();
}
Debug.WriteLine($"Running Soft AP, waiting for client to connect");
Debug.WriteLine($"Soft AP IP address :{WirelessAP.GetIP()}");
// Link up Network event to show Stations connecting/disconnecting to Access point.
//NetworkChange.NetworkAPStationChanged += NetworkChange_NetworkAPStationChanged;
// Now that the normal Wifi is deactivated, that we have setup a static IP
// We can start the Web server
server.Start();
}
else
{
Debug.WriteLine($"Running in normal mode, connecting to Access point");
var conf = Wireless80211.GetConfiguration();
bool success;
// For devices like STM32, the password can't be read
if (string.IsNullOrEmpty(conf.Password))
{
// In this case, we will let the automatic connection happen
success = WiFiNetworkHelper.Reconnect(requiresDateTime: true, token: new CancellationTokenSource(60000).Token);
}
else
{
// If we have access to the password, we will force the reconnection
// This is mainly for ESP32 which will connect normaly like that.
success = WiFiNetworkHelper.ConnectDhcp(conf.Ssid, conf.Password, requiresDateTime: true, token: new CancellationTokenSource(60000).Token);
}
if (success)
{
Debug.WriteLine($"Connection is {success}");
Debug.WriteLine($"We have a valid date: {DateTime.UtcNow}");
}
else
{
Debug.WriteLine($"Something wrong happened, can't connect at all");
}
}
// Just wait for now
// Here you would have the reset of your program using the client WiFI link
Thread.Sleep(Timeout.Infinite);
}