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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
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
TypeNameDescription
Meadow.Foundation.Displays.Hx8357b.RegisterHX8357BcommandThe command to send

Implements

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