Meadow.Foundation.Sensors.Hid.Tsc2004

Tsc2004
Status
Source code	GitHub
Datasheet(s)	GitHub
NuGet package

Code Example

private Tsc2004 touchScreen;

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

    var i2cBus = Device.CreateI2cBus(I2cBusSpeed.Fast);

    touchScreen = new Tsc2004(i2cBus)
    {
        DisplayWidth = 240,
        DisplayHeight = 320,
        XMin = 260,
        XMax = 3803,
        YMin = 195,
        YMax = 3852,
        Rotation = RotationType._90Degrees
    };

    return Task.CompletedTask;
}

public override Task Run()
{
    return Task.Run(() =>
    {
        Point3d pt;

        while (true)
        {
            if (touchScreen.IsTouched())
            {
                pt = touchScreen.GetPoint();
                Resolver.Log.Info($"Location: X:{pt.X}, Y:{pt.Y}, Z:{pt.Z}");
            }

            Thread.Sleep(0);
        }
    });
}

Sample project(s) available on GitHub

Wiring Example

To wire a Tsc2004 to your Meadow board, connect the following:

Tsc2004	Meadow Pin
GND	GND
SCL	D08 (SCL)
SDA	D07 (SDA)
VCC	3V3

Class Tsc2004

Represents a TSC2004 4-wire touch screen controller

Assembly: Tsc2004.dll

View Source

Declaration

public class Tsc2004 : II2cPeripheral

Implements:
Meadow.Hardware.II2cPeripheral

Properties

DefaultI2cAddress

The default I2C address for the peripheral

View Source

Declaration

public byte DefaultI2cAddress { get; }

XMin

Minimum X value of touchscreen (defaults to 366)

View Source

Declaration

public int XMin { get; set; }

XMax

Maximum X value of touchscreen (defaults to 3567)

View Source

Declaration

public int XMax { get; set; }

YMin

Minimum Y value of touchscreen (defaults to 334)

View Source

Declaration

public int YMin { get; set; }

YMax

Maximum Y value of touchscreen (defaults to 3787)

View Source

Declaration

public int YMax { get; set; }

DisplayWidth

Width of display in pixels at default rotation

View Source

Declaration

public int DisplayWidth { get; set; }

DisplayHeight

Height of display in pixels at default rotation

View Source

Declaration

public int DisplayHeight { get; set; }

Rotation

Touchscreen rotation

View Source

Declaration

public RotationType Rotation { get; set; }

Fields

i2cComms

I2C Communication bus used to communicate with the peripheral

View Source

Declaration

protected readonly II2cCommunications i2cComms

Methods

GetPoint()

Get the current scaled touch location

View Source

Declaration

public Point3d GetPoint()

Returns

Meadow.Foundation.Graphics.Point3d

GetPointRaw()

Get the current raw touch location

View Source

Declaration

public Point3d GetPointRaw()

Returns

Meadow.Foundation.Graphics.Point3d

IsTouched()

Does the screen detect an active touch

View Source

Declaration

public bool IsTouched()

Returns

System.Boolean: True if touched### IsBufferEmpty() Is the touch buffer empty

View Source

Declaration

public bool IsBufferEmpty()

Returns

System.Boolean: True if empty

Implements

• Meadow.Hardware.II2cPeripheral