public static RailDriverBase GetInstance()
{
if (null == instance)
{
if (Environment.Is64BitProcess)
{
instance = new RailDriver64();
}
else
{
instance = new RailDriver32();
}
}
return(instance);
}
/// <summary>
/// Tries to find a RailDriver and initialize it
/// </summary>
/// <param name="basePath"></param>
public UserInputRailDriver(string basePath)
{
try
{
Device = RailDriverBase.GetInstance();
if (Device != null)
{
WriteBuffer = new byte[Device.WriteBufferSize];
State = new RailDriverState();
SetLEDs(0x40, 0x40, 0x40);
ReadCalibrationData(basePath);
Device.OnDataRead += HandlePIEHidData;
}
}
catch (Exception error)
{
Device = null;
Trace.WriteLine(error);
}
}
/// <summary>
/// Data callback, called when RailDriver data is available
/// </summary>
/// <param name="data"></param>
/// <param name="sourceDevice"></param>
private void HandlePIEHidData(byte[] data, RailDriverBase sourceDevice)
{
if (sourceDevice != Device)
{
return;
}
State.SaveButtonData();
byte[] rdata = null;
while (0 == sourceDevice.ReadData(ref rdata)) //do this so don't ever miss any data
{
#if false
String output = "Callback: " + sourceDevice.Pid + ", ID: " + Device.ToString() + ", data=";
for (int i = 0; i < sourceDevice.ReadLength; i++)
{
output = output + rdata[i].ToString() + " ";
}
Console.WriteLine(output);
#endif
State.DirectionPercent = Percentage(rdata[1], FullReversed, Neutral, FullForward);
State.ThrottlePercent = Percentage(rdata[2], ThrottleIdle, FullThrottle);
State.DynamicBrakePercent = Percentage(rdata[2], ThrottleIdle, DynamicBrakeSetup, DynamicBrake);
State.TrainBrakePercent = Percentage(rdata[3], AutoBrakeRelease, FullAutoBrake);
State.EngineBrakePercent = Percentage(rdata[4], IndependentBrakeRelease, IndependentBrakeFull);
float a = .01f * State.EngineBrakePercent;
float calOff = (1 - a) * BailOffDisengagedRelease + a * BailOffDisengagedFull;
float calOn = (1 - a) * BailOffEngagedRelease + a * BailOffEngagedFull;
State.BailOff = Percentage(rdata[5], calOff, calOn) > 50;
if (State.TrainBrakePercent >= 100)
{
State.Emergency = Percentage(rdata[3], FullAutoBrake, EmergencyBrake) > 50;
}
State.Wipers = (int)(.01 * Percentage(rdata[6], Rotary1Position1, Rotary1Position2, Rotary1Position3) + 2.5);
State.Lights = (int)(.01 * Percentage(rdata[7], Rotary2Position1, Rotary2Position2, Rotary2Position3) + 2.5);
State.AddButtonData(rdata);
}
if (State.IsPressed(4, 0x30))
{
State.Emergency = true;
}
if (State.IsPressed(1, 0x40))
{
Active = !Active;
EnableSpeaker(Active);
if (Active)
{
SetLEDs(0x80, 0x80, 0x80);
LEDSpeed = -1;
UserInput.RDState = State;
}
else
{
SetLEDs(0x40, 0x40, 0x40);
UserInput.RDState = null;
}
}
State.Changed = true;
}