示例#1
0
        public static void Main()
        {
            SDResourceLoader rsc = null;

            Joystick = new AnalogJoystick(Pins.GPIO_PIN_A0, Pins.GPIO_PIN_A1);

            // I'm being lazy here and using the default on-board switch instead of the actual joystick button :)
            JoystickButton = new PushButton(pin: Pins.ONBOARD_SW1, target: new NativeEventHandler(ButtonEventHandler));

            try {
                // Load the resources from the SD card
                // Place the content of the "SD Card Resources" folder at the root of an SD card
                rsc = new SDResourceLoader();
                rsc.Load(Pins.GPIO_PIN_D10);
            }
            catch (IOException) {
                ShowNoSDPresent();
            }

            // Using the space invaders bitmap in this example
            var Invaders = (Bitmap)rsc.Bitmaps["spaceinvaders.bmp.bin"];

            rsc.Dispose();

            var matrix = new LedMS88SR74HC595().Initialize();

            while (true)
            {
                // Read the current direction of the joystick
                X += (int)Joystick.XDirection;
                Y += (int)Joystick.YDirection;

                // Validate the position of the coordinates to prevent out-of-bound exceptions.
                if (X < 0)
                {
                    X = 0;
                }
                else if (X >= Invaders.Width - Bitmap.FrameSize)
                {
                    X = Invaders.Width - Bitmap.FrameSize;
                }

                if (Y < 0)
                {
                    Y = 0;
                }
                else if (Y >= Invaders.Height)
                {
                    Y = Invaders.Height - 1;
                }

                Debug.Print("X=" + Joystick.X.ToString() + " (" + Joystick.XDirection.ToString() + ")" + ", Y=" + Joystick.Y.ToString() + " (" + Joystick.YDirection.ToString() + ")");

                // move the bitmap according to the direction of the joystick
                matrix.Set(Invaders.GetFrame(X, Y));

                Thread.Sleep(80);
            }
        }
示例#2
0
 // Shows and SD icon on the matrix and wait for a reset
 private static void ShowNoSDPresent()
 {
     //  If the SD card is not present, show an SD card icon and wait for a reset...
     using (var matrix = new LedMS88SR74HC595().Initialize())
     {
         var SD = new Bitmap(new byte[] { 0x7e, 0x42, 0x42, 0x42, 0x42, 0x42, 0x22, 0x1e }, 8, 8);
         matrix.Set(SD.GetFrame(0, 0));
         while (true)
         {
             Thread.Sleep(1000);
         }
     }
 }