void bgworker_DoWork(object sender, DoWorkEventArgs e)
{
do
{
js_event myevent =
ReadStruct
<js_event> (devicefile);
if (myevent.type == this.JS_EVENT_AXIS)
{
SetAxisValue(myevent.number, myevent.value);
}
else if (myevent.type == this.JS_EVENT_BUTTON)
{
this.buttons [myevent.number] = Convert.ToBoolean(myevent.value);
}
} while (!bgworker.CancellationPending);
}
public void DetectChange(js_event buff)
{
// JS_EVENT_INIT
if (checkBit(buff.type, (byte)MODE.CONFIGURATION))
{
if (checkBit(buff.type, (byte)TYPE.AXIS))
{
byte key = (byte)buff.number;
if (!Axis.ContainsKey(key))
{
Axis.Add(key, 0);
return;
}
}
else if (checkBit(buff.type, (byte)TYPE.BUTTON))
{
byte key = (byte)buff.number;
if (!Button.ContainsKey(key))
{
Button.Add((byte)buff.number, false);
return;
}
}
}
if (checkBit(buff.type, (byte)TYPE.AXIS))
{
short value = buff.value;
Axis[(byte)buff.number] = value;
return;
}
else if (checkBit(buff.type, (byte)TYPE.BUTTON))
{
Button[(byte)buff.number] = buff.value == (byte)STATE.PRESSED;
return;
}
}
public void Start(string deviceFile)
{
//Mono.Unix.UnixSymbolicLinkInfo i = new Mono.Unix.UnixSymbolicLinkInfo( deviceFile );
//Console.WriteLine(i.ContentsPath); // ../js0
//Console.WriteLine(i.FullName); // fullpath
//Console.WriteLine(i.Name); // filename
//var path = "/dev/input/by-id/" + i.ContentsPath;
var path = deviceFile;
if (!File.Exists(path))
{
throw new FileNotFoundException(path);
}
SemaphoreSlim run = new SemaphoreSlim(1);
new Thread(() =>
{
if (fs != null)
{
fs.Close();
}
// Read loop.
fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
log.Info("opened " + path);
var buff = new js_event()
{
raw = new byte[8]
};
Joystick j = new Joystick();
var started = false;
while (true)
{
try
{
// Read 8 bytes from file and analyze.
var read = fs.Read(buff.raw, 0, 8);
if (read != 8)
{
continue;
}
//Console.WriteLine(buff.ToJSON());
j.DetectChange(buff);
/*
* // Prints Axis values
* foreach (byte key in j.Axis.Keys)
* {
* Console.WriteLine(string.Format("Axis{0}: {1}", key, j.Axis[key]));
* }
*
* // Prints Buttons values
* foreach (byte key in j.Button.Keys)
* {
* Console.WriteLine(string.Format("Button{0}: {1}", key, j.Button[key]));
* }
*/
state = new LinuxJoystickState(
j.Axis.ToDictionary(a => a.Key, a => (ushort)((int)a.Value + (65535 / 2))),
j.Button.ToDictionary(a => a.Key, a => a.Value));
if (started == false)
{
log.Info("Joystick Task Started");
run.Release();
}
started = true;
}
catch (Exception ex)
{
log.Error(ex);
break;
}
}
log.Info("Joystick Task Ended");
}).Start();
// wait for the task to start
if (!run.Wait(1000))
{
log.Error("Failed to Start joystick task");
throw new Exception("Fail to start joystick task");
}
Thread.Sleep(200);
}
