Meadow.Foundation.Displays.Gc9a01

Gc9a01
Status
Source code	GitHub
Datasheet(s)	GitHub
NuGet package

Code Example

MicroGraphics graphics;

public override Task Initialize()
{
    Resolver.Log.Info("Initializing ...");

    var spiBus = Device.CreateSpiBus();

    Resolver.Log.Info("Create display driver instance");

    var display = new Gc9a01
    (
        spiBus: spiBus,
        chipSelectPin: Device.Pins.A02,
        dcPin: Device.Pins.D01,
        resetPin: Device.Pins.D00
    );

    graphics = new MicroGraphics(display)
    {
        IgnoreOutOfBoundsPixels = true,
        CurrentFont = new Font12x20(),
        Rotation = RotationType._180Degrees
    };

    return base.Initialize();
}

public override Task Run()
{
    graphics.Clear();
    graphics.DrawCircle(120, 120, 100, Color.Cyan, false);
    graphics.DrawRoundedRectangle(50, 50, 140, 140, 50, Color.BlueViolet, false);
    graphics.DrawText(120, 120, "Meadow F7", alignmentH: HorizontalAlignment.Center, alignmentV: VerticalAlignment.Center);
    graphics.Show();

    return base.Run();
}

Sample project(s) available on GitHub

Wiring Example

To wire a Gc9a01 to your Meadow board, connect the following:

Gc9a01	Meadow Pin
GND	GND
VCC	3V3
SCL	SCK
SDA	MOSI
CS	D02
DC	D01
RESET	D00

It should look like the following diagram:

Class Gc9a01

Represents a Gc9a01 TFT color display

Assembly: TftSpi.dll

View Source

Declaration

public class Gc9a01 : TftSpiBase, IPixelDisplay, IDisplay, ISpiPeripheral, IDisposable, IRotatableDisplay

Inheritance: System.Object -> Meadow.Foundation.Displays.TftSpiBase

Implements:
Meadow.Peripherals.Displays.IPixelDisplay, Meadow.Peripherals.Displays.IDisplay, Meadow.Hardware.ISpiPeripheral, System.IDisposable, Meadow.Peripherals.Displays.IRotatableDisplay

Properties

DefaultColorMode

The display default color mode

View Source

Declaration

public override ColorMode DefaultColorMode { get; }

SupportedColorModes

The color modes supported by the display

View Source

Declaration

public override ColorMode SupportedColorModes { get; }

Methods

Initialize()

Initialize the display

View Source

Declaration

protected override void Initialize()

SetRotation(RotationType)

Set the rotation of the display

View Source

Declaration

public void SetRotation(RotationType rotation)

Parameters

Type	Name	Description
Meadow.Peripherals.Displays.RotationType	rotation	The rotation

Implements

• Meadow.Peripherals.Displays.IPixelDisplay
• Meadow.Peripherals.Displays.IDisplay
• Meadow.Hardware.ISpiPeripheral
• System.IDisposable
• Meadow.Peripherals.Displays.IRotatableDisplay