Exemple #1
0
      static void Main(string[] args)
      {
          bool    running;
          bool    connected;
          int     maxPacketLen = (int)Math.Pow(2, 13);
          ILogger logger       = new LoggerConfiguration().WriteTo.File("log.txt", rollingInterval: RollingInterval.Month).CreateLogger();
          ICommunicationService communicationService = new SerialService(logger);
          IAudioCaptureService  audioCaptureService  = new NAudioCaptureService(96000, maxPacketLen, logger);
          IFFTService           fftService           = new FFTService();
          ILedService           ledService           = new AdafruitLedService(communicationService, fftService);

          running = true;
          // Attempt to connect to the device and start the equalizer.
          try
          {
              AttemptConnect(ledService, logger);
              ledService.EqualizerStart(maxPacketLen, audioCaptureService);
              connected = true;
          }
          catch (Exception e)
          {
              connected = false;
              logger.Error("Unable to connect to device: " + e.ToString());
          }


          // USEFUL DEBUG: Print everything to the Console.
          communicationService.ResponseSubscribe((response) =>
            {
                Console.WriteLine(JsonConvert.SerializeObject(response));
            });

          // Listen for user input.
          Console.WriteLine("Yo hit the spacebar to hit the lights bro, P to ping, Q/ESC to quit");
          while (running)
          {
              try
              {
                  Console.Write('>');
                  ConsoleKeyInfo input = Console.ReadKey();
                  switch (Char.ToUpper(input.KeyChar))
                  {
                  case ' ':
                  {
                      if (connected == true)
                      {
                          ledService.Disconnect();
                          connected = false;
                      }
                      else
                      {
                          AttemptConnect(ledService, logger);
                          ledService.EqualizerStart(maxPacketLen, audioCaptureService);
                          connected = true;
                      }
                  }
                  break;

                  case 'P':
                      ledService.Ping(5000);
                      break;

                  case 'Q':
                  case (char)27:       // ESC
                      running = false;
                      ledService.Disconnect();
                      break;

                  default:
                      break;
                  }

                  Console.WriteLine();
              }
              catch (Exception e)
              {
                  Console.WriteLine(">:( Okay now how did we get here?\n" + e.ToString());
                  continue;   //momma didn't raise no quitter!
              }
          }
      }
        public async Task UpdateDisplayedMetadataSegments(JPEGByteFile file)
        {
            loadingTextBlock.Visibility = Visibility.Visible;
            SourceByteFile = file;

            ClearBlockChildren();

            int segmentCntr = 0;

            foreach (Segment s in SourceByteFile.Segments)
            {
                TextBlock title = new TextBlock
                {
                    Text   = s.Name,
                    Style  = (Style)Application.Current.Resources["DetailSubTitleStyle"],
                    Margin = (Thickness)Application.Current.Resources["SmallTopMargin"]
                };
                block.Children.Add(title);

                TextBlock content = new TextBlock
                {
                    Text  = "Length: " + s.Length.ToString() + " B, Excess bytes after segment: " + s.ExcessBytesAfterSegment.ToString() + " B",
                    Style = (Style)Application.Current.Resources["DetailBodyBaseMediumStyle"]
                };
                block.Children.Add(content);

                StackPanel buttons = new StackPanel
                {
                    Orientation = Orientation.Horizontal,
                    Spacing     = 20
                };

                if (s.ExcessBytesAfterSegment > 0)
                {
                    Button removeExcessBytesAfterSegmentButton = new Button()
                    {
                        Content = "Remove excess bytes",
                        Tag     = "BTN-" + segmentCntr
                    };

                    removeExcessBytesAfterSegmentButton.Click += RemoveExcessBytesAfterSegmentButton_Click;
                    buttons.Children.Add(removeExcessBytesAfterSegmentButton);
                }

                if (s.Removable)
                {
                    Button removeSegmentButton = new Button()
                    {
                        Content = "Remove segment",
                        Tag     = "BTN-" + segmentCntr
                    };

                    removeSegmentButton.Click += RemoveSegmentButton_Click;
                    buttons.Children.Add(removeSegmentButton);
                }

                if (buttons.Children.Count > 0)
                {
                    block.Children.Add(buttons);
                }

                if (s.Removable)
                {
                    TextBlock t0 = new TextBlock()
                    {
                        Text    = "Content:",
                        Padding = new Thickness(0, 5, 0, 3)
                    };
                    block.Children.Add(t0);

                    TextBlock t = new TextBlock()
                    {
                        Text         = Encoding.ASCII.GetString(s.Content),
                        TextWrapping = TextWrapping.Wrap
                    };

                    block.Children.Add(t);
                }

                segmentCntr++;
            }

            FFTService ImgFFT = new FFTService(file.File);
            await ImgFFT.ReadImage();

            ImgFFT.ForwardFFT();// Finding 2D FFT of Image
            ImgFFT.FFTShift();
            await ImgFFT.FFTPlotAsync(ImgFFT.FFTShifted);

            TextBlock magnitudeTitle = new TextBlock
            {
                Text   = "Fourier transform magnitude",
                Style  = (Style)Application.Current.Resources["DetailSubTitleStyle"],
                Margin = (Thickness)Application.Current.Resources["SmallTopMargin"]
            };

            block.Children.Add(magnitudeTitle);
            block.Children.Add(new Image()
            {
                Source = ImgFFT.FourierPlot
            });

            TextBlock phaseTitle = new TextBlock
            {
                Text   = "Fourier transform phase",
                Style  = (Style)Application.Current.Resources["DetailSubTitleStyle"],
                Margin = (Thickness)Application.Current.Resources["SmallTopMargin"]
            };

            block.Children.Add(phaseTitle);
            block.Children.Add(new Image()
            {
                Source = ImgFFT.PhasePlot
            });

            loadingTextBlock.Visibility = Visibility.Collapsed;
        }