private void Step()
{
running = true;
do
{
using (client = listener.AcceptSocket())
{
connected = true;
do
{
try
{
// Socket to serial
byte[] buffer = new byte[1024];
int bytesRead = client.Receive(buffer);
if (bytesRead > 0)
{
sketch.WriteSerial(buffer.Take(bytesRead).ToArray());
}
// Break if we're no longer running or if we read 0 bytes
connected = running && bytesRead > 0;
}
catch
{
connected = false;
}
}while (connected);
}
client = null;
}while (running);
}
private void sendButton_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(inputTextBox.Text))
{
return;
}
sketch.WriteSerial(Parse(inputTextBox.Text));
inputTextBox.Clear();
}
private void performHandshake()
{
/*
* INFO(Richo): Perform connection request and handshake.
* Otherwise, when we send a program later we will be rejected.
*/
sketch.WriteSerial(new byte[]
{
RQ_CONNECTION_REQUEST, MAJOR_VERSION, MINOR_VERSION
});
sketch.Loop();
byte handshake = sketch.ReadSerial().Item2[0];
byte send = (byte)((MAJOR_VERSION + MINOR_VERSION + handshake) % 256);
sketch.WriteSerial(new byte[] { send });
sketch.Loop();
byte ack = sketch.ReadSerial().Item2[0];
if (send != ack)
{
throw new InvalidOperationException("Could not perform handshake with the simulator");
}
}
private void initializeSketch()
{
sketch = Sketch.Current;
sketch.RegisterStats(false);
sketch.SetMillis(0);
sketch.Setup();
performHandshake();
// load an empty program, just in case.
sketch.WriteSerial(emptyProgram);
sketch.Loop();
}