internal override void HandleButtons(I2CUIDevice sender, ButtonMask buttons)
{
bool confirm = false;
bool tickAllowed = Buttons == ConfirmationPromptButtons.Tick || Buttons == ConfirmationPromptButtons.TickAndCross;
bool crossAllowed = Buttons == ConfirmationPromptButtons.Cross || Buttons == ConfirmationPromptButtons.TickAndCross;
if ((buttons & ButtonMask.Button2) == ButtonMask.Button2 && crossAllowed)
{
confirm = false;
}
else if ((buttons & ButtonMask.Button5) == ButtonMask.Button5 && tickAllowed)
{
confirm = true;
}
else
{
return;
}
if (RespondToPrompt != null)
{
RespondToPrompt(this, confirm);
}
NotifyExit();
}
internal override void HandleButtons(I2CUIDevice sender, ButtonMask buttons)
{
if ((buttons & ButtonMask.Button1) == ButtonMask.Button1)
HandleBackButton();
else if ((buttons & ButtonMask.Button3) == ButtonMask.Button3)
HandleUpButton();
else if ((buttons & ButtonMask.Button4) == ButtonMask.Button4)
HandleDownButton();
}
internal override void Activate(I2CUIDevice screen)
{
base.Activate(screen);
Device.ClearScreen();
Device.WriteButtonSymbol(CustomCharacter.Left, ButtonSymbolPosition.Button1);
Device.WriteButtonSymbol(CustomCharacter.Up, ButtonSymbolPosition.Button3);
Device.WriteButtonSymbol(CustomCharacter.Down, ButtonSymbolPosition.Button4);
UpdateScreen();
}
public MenuController(I2CUIDevice device, MenuItem rootMenu)
{
Device = device;
CurrentMenu = rootMenu;
DisplayedMenuIndex = 0;
Device.ButtonsPushed += HandleButtons;
ResetScreenState();
UpdateScreen();
}
internal override void Activate(I2CUIDevice screen)
{
base.Activate(screen);
Device.ClearScreen();
Device.WriteButtonSymbol(CustomCharacter.Left, ButtonSymbolPosition.Button1);
UpdateScreen();
TimerCallback callback = delegate (object sender)
{
UpdateScreen();
};
RefreshTimer = new Timer(callback, null, 0, 250);
}
internal override void Activate(I2CUIDevice uiDevice)
{
base.Activate(uiDevice);
Device.ClearScreen();
Device.WriteString(Prompt, 0, 0);
if (Buttons == ConfirmationPromptButtons.Cross || Buttons == ConfirmationPromptButtons.TickAndCross) {
Device.WriteButtonSymbol(CustomCharacter.Cross, ButtonSymbolPosition.Button2);
}
if (Buttons == ConfirmationPromptButtons.Tick || Buttons == ConfirmationPromptButtons.TickAndCross)
{
Device.WriteButtonSymbol(CustomCharacter.Tick, ButtonSymbolPosition.Button5);
}
}
internal override void HandleButtons(I2CUIDevice sender, ButtonMask buttons)
{
if ((buttons & ButtonMask.Button1) == ButtonMask.Button1)
HandleBackButton();
}
private void HandleButtons(I2CUIDevice sender, ButtonMask buttons)
{
if (CurrentInfoScreen != null) {
CurrentInfoScreen.HandleButtons(sender, buttons);
return;
}
if ((buttons & ButtonMask.Button1) == ButtonMask.Button1)
HandleBackButton();
else if ((buttons & ButtonMask.Button3) == ButtonMask.Button3)
HandleUpButton();
else if ((buttons & ButtonMask.Button4) == ButtonMask.Button4)
HandleDownButton();
else if ((buttons & ButtonMask.Button6) == ButtonMask.Button6)
HandleSelectButton();
}
public async void ConnectToScreen(int deviceAddress)
{
// https://ms-iot.github.io/content/en-US/win10/samples/PinMappingsRPi2.htm
// Get a selector string for bus "I2C1"
Debug.WriteLine("Looking for I2C bus...");
string aqs = I2cDevice.GetDeviceSelector();
// Find the I2C bus controller with our selector string
var dis = await DeviceInformation.FindAllAsync(aqs);
if (dis.Count == 0)
{
Debug.WriteLine("No devices found.");
return;
}
else
{
Debug.WriteLine("{0} device(s) found.", dis.Count);
}
// 0x40 is the I2C device address
var settings = new I2cConnectionSettings(deviceAddress);
settings.BusSpeed = I2cBusSpeed.StandardMode;
// Create an I2cDevice with our selected bus controller and I2C settings
I2cDevice device = await I2cDevice.FromIdAsync(dis[0].Id, settings);
Debug.WriteLine("Got device {0}, {1}", device.DeviceId, device.ConnectionSettings.SlaveAddress);
screen = new I2CUIDevice(device);
// Menu
MenuItem rootMenu = new MenuItem();
MenuItem sensorMenu = new MenuItem("Sensors & Servos");
rootMenu.AddChild(sensorMenu);
MenuItem accelerometerMenuItem = new MenuItem("Accelerometer");
accelerometerMenuItem.MenuItemChosen += delegate (MenuItem sender)
{
menu.PresentInfoScreen(new AccelerometerInfoScreen(car.Accelerometor));
};
sensorMenu.AddChild(accelerometerMenuItem);
MenuItem distanceMenuItem = new MenuItem("Distances");
distanceMenuItem.MenuItemChosen += delegate (MenuItem sender)
{
menu.PresentInfoScreen(new DistancesInfoScreen(car.FrontUltrasonicSensors, car.RearUltrasonicSensor));
};
sensorMenu.AddChild(distanceMenuItem);
MenuItem steeringMenuItem = new MenuItem("Steering Servo");
steeringMenuItem.MenuItemChosen += delegate (MenuItem sender)
{
menu.PresentInfoScreen(new ServoInfoScreen(car.SteeringServo, "Steering"));
};
sensorMenu.AddChild(steeringMenuItem);
MenuItem throttleMenuItem = new MenuItem("Throttle Servo");
throttleMenuItem.MenuItemChosen += delegate (MenuItem sender)
{
menu.PresentInfoScreen(new ServoInfoScreen(car.ThrottleServo, "Throttle"));
};
sensorMenu.AddChild(throttleMenuItem);
// --
MenuItem exitMenuItem = new MenuItem("Shut down");
exitMenuItem.MenuItemChosen += delegate (MenuItem sender)
{
ConfirmationPromptInfoScreen exitConfirmation = new ConfirmationPromptInfoScreen("Are you sure?");
exitConfirmation.RespondToPrompt += delegate (ConfirmationPromptInfoScreen prompt, bool confirm)
{
if (confirm)
{
screen.ClearScreen();
screen.WriteString("Goodbye!", 0, 4);
// TODO: Actually shutdown
return;
}
};
menu.PresentInfoScreen(exitConfirmation);
};
MenuItem restartProcessMenuItem = new MenuItem("Relaunch");
restartProcessMenuItem.MenuItemChosen += delegate (MenuItem sender)
{
ConfirmationPromptInfoScreen restartConfirmation = new ConfirmationPromptInfoScreen("Are you sure?");
restartConfirmation.RespondToPrompt += delegate (ConfirmationPromptInfoScreen prompt, bool confirm)
{
if (confirm)
{
screen.ClearScreen();
// TODO: Actually relaunch
return;
}
};
menu.PresentInfoScreen(restartConfirmation);
};
MenuItem systemMenu = new MenuItem("System");
systemMenu.AddChild(restartProcessMenuItem);
systemMenu.AddChild(exitMenuItem);
rootMenu.AddChild(systemMenu);
menu = new MenuController(screen, rootMenu);
}
internal virtual void HandleButtons(I2CUIDevice sender, ButtonMask buttons)
{
}
internal virtual void Deactivate()
{
Device = null;
}
internal virtual void Activate(I2CUIDevice uiDevice)
{
Device = uiDevice;
}