private void RawDiscoveryReceived(byte[] payload)
{
MemoryStream stream = new MemoryStream(payload);
String name = STRING_ENCODING.GetString(stream.ReadFully(12));
PhysicalAddress mac = new PhysicalAddress(new byte[] {
Convert.ToByte(STRING_ENCODING.GetString(stream.ReadFully(2)), 16),
Convert.ToByte(STRING_ENCODING.GetString(stream.ReadFully(2)), 16),
Convert.ToByte(STRING_ENCODING.GetString(stream.ReadFully(2)), 16),
Convert.ToByte(STRING_ENCODING.GetString(stream.ReadFully(2)), 16),
Convert.ToByte(STRING_ENCODING.GetString(stream.ReadFully(2)), 16),
Convert.ToByte(STRING_ENCODING.GetString(stream.ReadFully(2)), 16)
});
IPAddress ip = new IPAddress(stream.ReadFully(4));
IPAddress mask = new IPAddress(stream.ReadFully(4));
IPAddress gateway = new IPAddress(stream.ReadFully(4));
if (Discovered != null)
{
Discovered(name, mac, ip, mask, gateway);
}
}
internal async Task InitializeAsync()
{
this.ReceiveLoopTask = ReceiveLoopAsync();
await SendMessageAndWaitResponseAsync(COMMAND_ID_REQUEST, COMMAND_ID_RESPONSE, new byte[0],
(id) => {
this.Id = STRING_ENCODING.GetString(id);
return(this.Id);
}
);
await SendMessageAndWaitResponseAsync(COMMAND_FEATURES_REQUEST, COMMAND_FEATURES_RESPONSE, new byte[0],
(raw) => {
this.Features = new Features(this, raw);
List <DigitalInput> digitalInputs = new List <DigitalInput> ();
for (int i = 0; i < this.Features.NumDigitalInputs; i++)
{
digitalInputs.Add(new DigitalInput(this, i));
}
this.DigitalInputs = digitalInputs.AsReadOnly();
this.RawListeners[COMMAND_INPUT_CHANGED] += (payload) => {
Stream stream = new MemoryStream(payload);
int index = stream.ReadInt();
bool value = stream.ReadInt() != 0;
this.DigitalInputs[index].Value = value;
};
this.RawListeners[COMMAND_KEY_TYPED] += (payload) => {
Stream stream = new MemoryStream(payload);
int key = stream.ReadInt();
if (this.KeyTyped != null)
{
this.KeyTyped((char)key);
}
};
this.RawListeners[COMMAND_IMAGE_ACQUIRED] += (payload) => {
Stream stream = new MemoryStream(payload);
int width = stream.ReadInt();
int height = stream.ReadInt();
int resX = stream.ReadInt();
int resY = stream.ReadInt();
byte[] rawImage = stream.ReadFully(width *height);
String scanner = STRING_ENCODING.GetString(stream.ReadFully((int)(stream.Length - stream.Position)));
//Create a grayscale bitmap -- DotNet sucks, therefore it uses a pallete
Bitmap bitmap = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
bitmap.SetResolution(resX, resY);
int i = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
byte v = rawImage[i++];
bitmap.SetPixel(x, y, Color.FromArgb(v, v, v));
}
}
if (FingerprintCaptured != null)
{
FingerprintCaptured(scanner, bitmap);
}
};
List <DigitalOutput> relays = new List <DigitalOutput> ();
for (int i = 0; i < this.Features.NumRelays; i++)
{
relays.Add(new DigitalOutput(this, DigitalOutput.DigitalOutputType.Relay, i));
}
this.Relays = relays.AsReadOnly();
List <DigitalOutput> leds = new List <DigitalOutput> ();
for (int i = 0; i < this.Features.NumLeds; i++)
{
leds.Add(new DigitalOutput(this, DigitalOutput.DigitalOutputType.Led, i));
}
this.Leds = leds.AsReadOnly();
List <SerialPort> serials = new List <SerialPort> ();
for (int i = 0; i < this.Features.NumSerialPorts; i++)
{
serials.Add(new SerialPort(this, i));
}
this.SerialPorts = serials.AsReadOnly();
this.Buzzer = this.Features.HasBuzzer ? new DigitalOutput(this, DigitalOutput.DigitalOutputType.Buzzer, 0) : null;
this.Display = this.Features.HasDisplay ? new Display(this) : null;
return(this.Features);
}
);
if (Connected != null)
{
Connected();
}
await ReceiveLoopTask;
if (Disconnected != null)
{
Disconnected();
}
}