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Meadow.Foundation.Displays.Hx8357b

Hx8357b
StatusStatus badge: working
Source codeGitHub
Datasheet(s)GitHub
NuGet packageNuGet Gallery for Meadow.Foundation.Displays.TftSpi

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 Hx8357b(
        spiBus: spiBus,
        chipSelectPin: Device.Pins.D02,
        dcPin: Device.Pins.D01,
        resetPin: Device.Pins.D00,
        width: 320, height: 480, colorMode: ColorMode.Format16bppRgb565);

    graphics = new MicroGraphics(display);
    graphics.IgnoreOutOfBoundsPixels = true;

    return base.Initialize();
}

public override Task Run()
{
    graphics.Clear();

    graphics.DrawRectangle(120, 0, 120, 220, Color.White, true);
    graphics.DrawRectangle(0, 0, 120, 20, Color.Red, true);
    graphics.DrawRectangle(0, 20, 120, 20, Color.Purple, true);
    graphics.DrawRectangle(0, 40, 120, 20, Color.Blue, true);
    graphics.DrawRectangle(0, 60, 120, 20, Color.Green, true);
    graphics.DrawRectangle(0, 80, 120, 20, Color.Yellow, true);
    graphics.DrawRectangle(0, 120, 120, 20, Color.Orange, true);

    graphics.Show();

    return base.Run();
}

Sample project(s) available on GitHub

Wiring Example

To wire a Hx8357b to your Meadow board, connect the following:

Hx8357bMeadow Pin
GNDGND
VCC3V3
SCLSCK
SDAMOSI
RESETD00
DCD01
CSD02

It should look like the following diagram:

Wiring up Hx8357b to a Meadow F7

Class Hx8357b

Represents a Hx8357b TFT color display

Assembly: TftSpi.dll
View Source
public class Hx8357b : Hx8357d, IGraphicsDisplay, ISpiPeripheral, IDisposable, IRotatableDisplay

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

Implements:
Meadow.Foundation.Graphics.IGraphicsDisplay

Methods

Initialize()

Initialize the display

View Source
protected override void Initialize()

SendCommand(RegisterHX8357B)

Send a command to the display

View Source
protected void SendCommand(Hx8357b.RegisterHX8357B command)
Parameters
TypeNameDescription
Meadow.Foundation.Displays.Hx8357b.RegisterHX8357BcommandThe command to send

Implements