/// <summary>
/// Maps GPIOs to Buttons processable by Microsoft.SPOT.Presentation.
/// </summary>
/// <param name="source"></param>
public GPIOButtonInputProvider(PresentationSource source)
{
// Set the input source.
this.source = source;
// Register the object as an input source with the input manager and
// get back an InputProviderSite object. The InputProviderSite
// object forwards the input report to the input manager. The input
// manager then places the input in the staging area.
site = InputManager.CurrentInputManager.RegisterInputProvider(this);
// Create a delegate that refers to the InputProviderSite object's
// ReportInput method.
callback = new DispatcherOperationCallback(delegate(object report)
{
InputReportArgs args = (InputReportArgs)report;
return site.ReportInput(args.Device, args.Report);
});
Dispatcher = Dispatcher.CurrentDispatcher;
// Create a hardware provider.
HardwareProvider hwProvider = new HardwareProvider();
// Create the pins that are needed for the buttons. Default their
// values for the emulator.
Cpu.Pin pinLeft = Cpu.Pin.GPIO_Pin0;
Cpu.Pin pinRight = Cpu.Pin.GPIO_Pin1;
Cpu.Pin pinUp = Cpu.Pin.GPIO_Pin2;
Cpu.Pin pinSelect = Cpu.Pin.GPIO_Pin3;
Cpu.Pin pinDown = Cpu.Pin.GPIO_Pin4;
// Use the hardware provider to get the pins. If the left pin is
// not set, assume none of the pins are set and set the left pin
// back to the default emulator value.
if ((pinLeft = hwProvider.GetButtonPins(Button.VK_LEFT)) ==
Cpu.Pin.GPIO_NONE)
pinLeft = Cpu.Pin.GPIO_Pin0;
else
{
pinRight = hwProvider.GetButtonPins(Button.VK_RIGHT);
pinUp = hwProvider.GetButtonPins(Button.VK_UP);
pinSelect = hwProvider.GetButtonPins(Button.VK_SELECT);
pinDown = hwProvider.GetButtonPins(Button.VK_DOWN);
}
// Allocate button pads and assign the (emulated) hardware pins as
// input from specific buttons.
ButtonPad[] buttons = new ButtonPad[]
{
// Associate the buttons with the pins as discovered or set
// above.
new ButtonPad(this, Button.VK_LEFT , pinLeft ),
new ButtonPad(this, Button.VK_RIGHT , pinRight ),
new ButtonPad(this, Button.VK_UP , pinUp ),
new ButtonPad(this, Button.VK_SELECT, pinSelect),
new ButtonPad(this, Button.VK_DOWN , pinDown ),
};
this.buttons = buttons;
}
// This class maps GPIOs to Buttons processable by Microsoft.SPOT.Presentation
public GPIOButtonInputProvider(PresentationSource source)
{
// Set the input source.
this.source = source;
// Register our object as an input source with the input manager and get back an
// InputProviderSite object which forwards the input report to the input manager,
// which then places the input in the staging area.
site = InputManager.CurrentInputManager.RegisterInputProvider(this);
// Create a delegate that refers to the InputProviderSite object's ReportInput method
callback = new ReportInputCallback(site.ReportInput);
Dispatcher = Dispatcher.CurrentDispatcher;
// Create a hardware provider
HardwareProvider hwProvider = new HardwareProvider();
// Create the pins we will need for the buttons
// Default their values for the emulator
Cpu.Pin pinLeft = Cpu.Pin.GPIO_Pin0;
Cpu.Pin pinRight = Cpu.Pin.GPIO_Pin1;
Cpu.Pin pinUp = Cpu.Pin.GPIO_Pin2;
Cpu.Pin pinSelect = Cpu.Pin.GPIO_Pin3;
Cpu.Pin pinDown = Cpu.Pin.GPIO_Pin4;
// Use the hardware provider to get the pins
// If the left pin is not set then assume none of them are
// and set the left pin back to the default emulator value
if ((pinLeft = hwProvider.GetButtonPins(Button.VK_LEFT)) == Cpu.Pin.GPIO_NONE)
pinLeft = Cpu.Pin.GPIO_Pin0;
else
{
pinRight = hwProvider.GetButtonPins(Button.VK_RIGHT);
pinUp = hwProvider.GetButtonPins(Button.VK_UP);
pinSelect = hwProvider.GetButtonPins(Button.VK_SELECT);
pinDown = hwProvider.GetButtonPins(Button.VK_DOWN);
}
// Allocate button pads and assign the (emulated) hardware pins as input
// from specific buttons.
ButtonPad[] buttons = new ButtonPad[]
{
// Associate the buttons to the pins as discovered or set above
new ButtonPad(this, Button.VK_LEFT , pinLeft),
new ButtonPad(this, Button.VK_RIGHT , pinRight),
new ButtonPad(this, Button.VK_UP , pinUp),
new ButtonPad(this, Button.VK_SELECT, pinSelect),
new ButtonPad(this, Button.VK_DOWN , pinDown),
};
this.buttons = buttons;
}
/// <summary>
/// Execution entry point.
/// </summary>
public static void Main()
{
// Gain access to all USB controllers.
UsbController[] controllers = UsbController.GetControllers();
HardwareProvider hwProvider = new HardwareProvider();
// Set up all buttons to be monitored.
buttons.Up = new InputPort(hwProvider.GetButtonPins(Button.VK_UP),
true, Port.ResistorMode.Disabled);
buttons.Down = new InputPort(hwProvider.GetButtonPins(Button.VK_DOWN),
true, Port.ResistorMode.Disabled);
buttons.Left = new InputPort(hwProvider.GetButtonPins(Button.VK_LEFT),
true, Port.ResistorMode.Disabled);
buttons.Right = new InputPort(hwProvider.GetButtonPins(Button.VK_RIGHT),
true, Port.ResistorMode.Disabled);
buttons.LeftMouseButton = new InputPort(hwProvider.GetButtonPins(Button.VK_BACK),
true, Port.ResistorMode.Disabled);
buttons.RightMouseButton = new InputPort(hwProvider.GetButtonPins(Button.VK_HOME),
true, Port.ResistorMode.Disabled);
buttons.Toggle = new InputPort(hwProvider.GetButtonPins(Button.VK_SELECT),
true, Port.ResistorMode.Disabled);
buttons.Done = new InputPort(hwProvider.GetButtonPins(Button.VK_MENU),
true, Port.ResistorMode.Disabled);
// Use the first available USB controller, if it exists.
if (controllers.Length < 1)
{
Debug.Print("No USB controllers exist for this device - we're done.");
return;
}
UsbController UsbPort = controllers[0];
UsbStream mouseStream = null;
if (UsbPort.Status == UsbController.PortState.Running)
{
Debug.Print(
"USB controller 0 is up and running - are you debugging with USB?");
Debug.Print(
"Make sure your platform supports overriding the debug transport.");
Thread.Sleep(500);
}
try
{
ConfigureUsbPort(UsbPort, true);
mouseStream = UsbPort.CreateUsbStream(3, UsbStream.NullEndpoint);
}
catch (Exception e)
{
Debug.Print(
"Mouse stream could not be created due to exception " +
e.Message);
Debug.Print(
"Perhaps your native configuration does not contain endpoint 3?");
return;
}
// Be a mouse until the Done button is pressed.
MouseLoop(UsbPort, mouseStream);
mouseStream.Close();
}
