Meadow.Foundation.Displays.Hx8357b

Hx8357b
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 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:

Hx8357b	Meadow Pin
GND	GND
VCC	3V3
SCL	SCK
SDA	MOSI
RESET	D00
DC	D01
CS	D02

It should look like the following diagram:

Class Hx8357b

Represents a Hx8357b TFT color display

Assembly: TftSpi.dll

View Source

Declaration

public class Hx8357b : Hx8357d, 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

Methods

Initialize()

Initialize the display

View Source

Declaration

protected override void Initialize()

SendCommand(RegisterHX8357B)

Send a command to the display

View Source

Declaration

protected void SendCommand(Hx8357b.RegisterHX8357B command)

Parameters

Type	Name	Description
Meadow.Foundation.Displays.Hx8357b.RegisterHX8357B	command	The command to send

Implements

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