static void Main(string[] args) { LogEvents.Subscribe(i => { i.Operation.Id = ""; Console.WriteLine(i.ToLogString()); }, new[] { typeof(PiTop4Board).Assembly, typeof(FoundationPlate).Assembly, typeof(ExpansionPlate).Assembly, typeof(RoverRobot).Assembly, typeof(StreamingCamera).Assembly, typeof(Program).Assembly, }); var js = new XBoxController(); // using ` mjpg_streamer -i "input_uvc.so -d /dev/video0" -o output_http.so` // ==> http://pi-top.local:8080/?action=stream PiTop4Board.Instance.UseCamera(); using var rover = new RoverRobot(PiTop4Board.Instance.GetOrCreateExpansionPlate(), PiTop4Board.Instance.GetOrCreateCamera <StreamingCamera>(0), RoverRobotConfiguration.Default); var camControl = rover.TiltController; var motorControl = rover.MotionComponent as SteeringMotorController; rover.AllLightsOn(); rover.BlinkAllLights(); Observable.Interval(TimeSpan.FromMilliseconds(10)) .Select(_ => (X: js.LeftStick.X, Y: js.LeftStick.Y)) .DistinctUntilChanged() .Subscribe(stick => { var left = stick.X.WithDeadZone(-.5, .5, .3); var forward = stick.Y; motorControl.SetPower((forward + left) / 1.5, (forward - left) / 1.5); }); js.Events.OfType <ButtonEvent>().Where(e => e.Button == Button.A) .Subscribe(e => { if (e.Pressed) { rover.AllLightsOn(); } else { rover.AllLightsOff(); } }); js.Events.OfType <ButtonEvent>().Where(e => e.Button == Button.X && e.Pressed) .Subscribe(e => { rover.Camera.GetFrame().Save("/home/pi/shot.jpg"); }); Observable.Interval(TimeSpan.FromMilliseconds(100)) .Select(_ => (X: js.RightStick.X, Y: js.RightStick.Y)) .DistinctUntilChanged() .Subscribe(stick => { camControl.SetSpeeds( RotationalSpeed.FromRadiansPerSecond(stick.X / 3), RotationalSpeed.FromRadiansPerSecond(stick.Y / 3) ); }); js.Events.OfType <ButtonEvent>().Subscribe(e => Console.WriteLine($"Button: {e.Button} {e.Pressed}")); js.Events.OfType <ButtonEvent>().Where(e => e.Button == Button.RightStick) .Subscribe(e => { camControl.Reset(); }); //Observable.Interval(TimeSpan.FromMilliseconds(100)) // .Select(_ => // new Unit[10].Select(_ => rover.UltrasoundFront.Distance.Centimeters).ToArray()) // .Subscribe(l => // { // var mean = l.Average(); // var stddev = Math.Sqrt(l.Select(d => (d - mean) * (d - mean)).Average()); // var maxrange = 1.5 * stddev; // var valid = l.Where(d => Math.Abs(d - mean) < maxrange).ToList(); // if (valid.Count > 0) // { // Console.WriteLine($"Distance= {valid.Average():F1} cm ({valid.Count}: mean {mean:F1}, stddev {stddev:F1}, max {valid.Max():F1}, min {valid.Min():F1})"); // } // }); var oef = new OneEuroFilter(minCutoff: 0.004, beta: 0.7); Observable.Interval(TimeSpan.FromMilliseconds(100)).Select(_ => oef.Apply(rover.UltrasoundFront.Distance.Centimeters)) .Scan(new List <double>(), (list, d) => // sliding window { const int window = 10; list.Add(d); if (list.Count > window) { list.RemoveRange(0, list.Count - window); } return(new List <double>(list)); }) .Subscribe(l => { var mean = l.Average(); var stddev = Math.Sqrt(l.Select(d => (d - mean) * (d - mean)).Average()); var maxrange = 1.5 * stddev; var valid = l.Where(d => Math.Abs(d - mean) < maxrange).ToList(); if (valid.Count > 0) { Console.WriteLine($"Distance= {valid.Average():F1} cm ({valid.Count}: mean {mean:F1}, stddev {stddev:F1}, max {valid.Max():F1}, min {valid.Min():F1})"); } }); Console.WriteLine("Ok, go drive around"); Console.ReadKey(); rover.AllLightsOff(); rover.Dispose(); }
static void Main(string[] args) { //LogEvents.Subscribe(i => //{ // i.Operation.Id = ""; // Console.WriteLine(i.ToLogString()); //}, new[] //{ // typeof(PiTop4Board).Assembly, // typeof(FoundationPlate).Assembly, // typeof(ExpansionPlate).Assembly, // typeof(RoverRobot).Assembly, // typeof(StreamingCamera).Assembly, // typeof(Program).Assembly, //}); ImageClassifier.Register("onnx", () => new OnnxImageClassifier()); ImageClassifier classifier = null; var js = new XBoxController(); // using ` mjpg_streamer -i "input_uvc.so -d /dev/video0" -o output_http.so` // ==> http://pi-top.local:8080/?action=stream PiTop4Board.Instance.UseCamera(); using var rover = new RoverRobot(PiTop4Board.Instance.GetOrCreateExpansionPlate(), PiTop4Board.Instance.GetOrCreateCamera <StreamingCamera>(0), RoverRobotConfiguration.Default); var camControl = rover.TiltController; var motorControl = rover.MotionComponent as SteeringMotorController; rover.AllLightsOn(); rover.BlinkAllLights(); Observable.Interval(TimeSpan.FromMilliseconds(10)) .Select(_ => (X: js.LeftStick.X, Y: js.LeftStick.Y)) .DistinctUntilChanged() .Subscribe(stick => { var left = stick.X.WithDeadZone(-.5, .5, .3); var forward = stick.Y; motorControl.SetPower((forward + left) / 1.5, (forward - left) / 1.5); }); js.Events.OfType <ButtonEvent>().Where(e => e.Button == Button.A) .Subscribe(e => { if (e.Pressed) { rover.AllLightsOn(); } else { rover.AllLightsOff(); } }); js.Events.OfType <ButtonEvent>().Where(e => e.Button == Button.B && e.Pressed) .Subscribe(e => { rover.Camera.GetFrame().Save("/home/pi/shot.jpg"); }); js.Events.OfType <ButtonEvent>().Where(e => e.Button == Button.Y && e.Pressed) .Subscribe(e => { classifier?.Dispose(); var signatureFile = new FileInfo("/home/pi/models/pics/signature.json"); classifier = ImageClassifier.CreateFromSignatureFile(signatureFile); Console.WriteLine($"Loaded model from {signatureFile.FullName}"); }); js.Events.OfType <ButtonEvent>().Where(e => e.Button == Button.X && e.Pressed) .Subscribe(e => { var frame = rover.Camera.GetFrame().Focus(); var result = classifier?.Classify(frame.CloneAs <Rgb24>()); if (result is { }) { Console.WriteLine($"{result.Prediction.Label}"); } });