Meadow.Foundation.Displays.Lcd.CharacterDisplay 1.3.0

Meadow.Foundation.Displays.Lcd.CharacterDisplay

Digital and I2C LCD character displays

The CharacterDisplay library is designed for the Wilderness Labs Meadow .NET IoT platform and is part of Meadow.Foundation

The Meadow.Foundation peripherals library is an open-source repository of drivers and libraries that streamline and simplify adding hardware to your C# .NET Meadow IoT application.

For more information on developing for Meadow, visit developer.wildernesslabs.co, to view all of Wilderness Labs open-source projects, including samples, visit github.com/wildernesslabs

Usage

CharacterDisplay display;

public override Task Initialize()
{
    //InitGpio();
    //InitGpioWithPWM();
    //InitI2c();
    InitGrove();

    return base.Initialize();
}

void InitGpio()
{
    Resolver.Log.Info("InitGpio...");

    display = new CharacterDisplay
    (
        pinRS: Device.Pins.D10,
        pinE: Device.Pins.D09,
        pinD4: Device.Pins.D08,
        pinD5: Device.Pins.D07,
        pinD6: Device.Pins.D06,
        pinD7: Device.Pins.D05,
        rows: 4, columns: 20
    );
}

void InitGpioWithPWM()
{
    Resolver.Log.Info("InitGpioWithPWM...");

    display = new CharacterDisplay
    (
        pinV0: Device.Pins.D11,
        pinRS: Device.Pins.D10,
        pinE: Device.Pins.D09,
        pinD4: Device.Pins.D08,
        pinD5: Device.Pins.D07,
        pinD6: Device.Pins.D06,
        pinD7: Device.Pins.D05,
        rows: 4, columns: 20
    );
}

void InitI2c()
{
    Resolver.Log.Info("InitI2c...");

    display = new CharacterDisplay
    (
        i2cBus: Device.CreateI2cBus(I2cBusSpeed.Standard),
        address: (byte)I2cCharacterDisplay.Addresses.Default,
        rows: 4, columns: 20
    );
}

void InitGrove()
{
    Resolver.Log.Info("InitGrove...");

    display = new CharacterDisplay
    (
        i2cBus: Device.CreateI2cBus(I2cBusSpeed.Standard),
        address: (byte)I2cCharacterDisplay.Addresses.Grove,
        rows: 2, columns: 16,
        isGroveDisplay: true
    );
}

void TestCharacterDisplay()
{
    Resolver.Log.Info("TestCharacterDisplay...");

    display.WriteLine("Hello", 0);

    display.WriteLine("Display", 1);

    Thread.Sleep(1000);
    display.WriteLine("Will delete in", 0);

    int count = 5;
    while (count > 0)
    {
        display.WriteLine($"{count--}", 1);
        Thread.Sleep(500);
    }

    display.ClearLines();
    Thread.Sleep(2000);

    display.WriteLine("Cursor test", 0);

    for (int i = 0; i < display.DisplayConfig.Width; i++)
    {
        display.SetCursorPosition((byte)i, 1);
        display.Write("*");
        Thread.Sleep(100);
        display.SetCursorPosition((byte)i, 1);
        display.Write(" ");
    }

    display.ClearLines();
    display.WriteLine("Complete!", 0);
}

public override Task Run()
{
    TestCharacterDisplay();

    Resolver.Log.Info("Test complete");

    return base.Run();
}