Meadow.Foundation.Displays.Ssd1681

Ssd1681
Status
Source code	GitHub
Datasheet(s)	GitHub
NuGet package

The Ssd1681 is a two-color display controller for ePaper displays. Data is sent to the controller via SPI and supports full screen updates only.

The Ssd1681 is paired with a wide range of two color ePaper display sizes and resolutions.

Sample projects available on GitHub

Code Example

MicroGraphics graphics;

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

    var display = new Ssd1681(
        spiBus: Device.CreateSpiBus(),
        chipSelectPin: Device.Pins.A04,
        dcPin: Device.Pins.A03,
        resetPin: Device.Pins.A02,
        busyPin: Device.Pins.A01,
        width: 200,
        height: 200);

    graphics = new MicroGraphics(display);

    return base.Initialize();
}

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

    graphics.Clear();

    graphics.DrawRectangle(10, 40, 120, 60, Color.Black, true);
    graphics.DrawRectangle(20, 80, 120, 90, Color.Red, true);

    graphics.CurrentFont = new Font12x16();
    graphics.DrawText(2, 20, "Meadow F7", Color.Black);
    graphics.DrawText(30, 50, "Color", Color.Red);
    graphics.DrawText(50, 90, "Black", Color.Black);
    graphics.DrawText(50, 120, "White", Color.White);

    graphics.Show();

    return base.Run();
}

Sample project(s) available on GitHub

Wiring Example

To control a Ssd1681 from Meadow, connect the following:

Ssd1681	Meadow Pin
BUSY	D15
RST	D14
DC	D13
CS	D12
CLK	SCK
DIN	MOSI
GND	GND
3V3	3V3

If your display does not include any of the above pins, they can be omitted. Pass NULL into the constructor for the missing pin(s).