Remarks

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

Code Example

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

Characteristic	Locus
Inheritance	System.Object > Tsc2004
Namespace	Meadow.Foundation.Sensors.Hid
Assembly	Tsc2004.dll

Syntax

public class Tsc2004 : object

Constructors

Tsc2004(II2cBus, Byte)

Create a new Tsc2004 object

Declaration

public Tsc2004(II2cBus i2cBus, byte address = null)

Parameters

Type	Name	Description
II2cBus	i2cBus	The I2C bus
System.Byte	address	The I2C address

Properties

DisplayHeight

Height of display in pixels at default rotation

Declaration

public int DisplayHeight { get; set; }

Property Value

Type	Description
System.Int32

DisplayWidth

Width of display in pixels at default rotation

Declaration

public int DisplayWidth { get; set; }

Property Value

Type	Description
System.Int32

Rotation

Touchscreen rotation

Declaration

public RotationType Rotation { get; set; }

Property Value

Type	Description
RotationType

XMax

Maximum X value of touchscreen

Declaration

public int XMax { get; set; }

Property Value

Type	Description
System.Int32

XMin

Minimum X value of touchscreen

Declaration

public int XMin { get; set; }

Property Value

Type	Description
System.Int32

YMax

Maximum Y value of touchscreen

Declaration

public int YMax { get; set; }

Property Value

Type	Description
System.Int32

YMin

Minimum Y value of touchscreen

Declaration

public int YMin { get; set; }

Property Value

Type	Description
System.Int32

Methods

GetPoint()

Get the current scaled touch location

Declaration

public Point3d GetPoint()

Returns

Type	Description
Point3d

GetPointRaw()

Get the current raw touch location

Declaration

public Point3d GetPointRaw()

Returns

Type	Description
Point3d

IsBufferEmpty()

Is the touch buffer empty

Declaration

public bool IsBufferEmpty()

Returns

Type	Description
System.Boolean	True if empty

IsTouched()

Does the screen detect an active touch

Declaration

public bool IsTouched()

Returns

Type	Description
System.Boolean	True if touched