Remarks

ST7565
Status
Source code	GitHub
NuGet package

Code Example

public class MeadowApp : App<F7Micro, MeadowApp>
{
    St7565 sT7565;
    GraphicsLibrary graphics;

    public MeadowApp()
    {
        Console.WriteLine("Initializing...");

        sT7565 = new St7565
        (
            device: Device, 
            spiBus: Device.CreateSpiBus(),
            chipSelectPin: Device.Pins.D02,
            dcPin: Device.Pins.D00,
            resetPin: Device.Pins.D01,
            width: 128, 
            height: 64
        );

        graphics = new GraphicsLibrary(sT7565);

        TestST7565();
    }

    void TestST7565()
    {
        Console.WriteLine("TestST7565...");

        // Drawing with Display Graphics Library
        graphics.CurrentFont = new Font8x8();
        graphics.Clear();
        graphics.DrawTriangle(10, 10, 50, 50, 10, 50, Meadow.Foundation.Color.Red);
        graphics.DrawRectangle(20, 15, 40, 20, Meadow.Foundation.Color.Yellow, true);            
        graphics.DrawText(5, 5, "ST7565");
        graphics.Show();
    }

}

Sample projects available on GitHub

Wiring Example

To wire a ST7565 to your Meadow board, connect the following:

ST7565	Meadow Pin
LEDA	GND
GND	GND
VCC	3V3
SDA	MOSI
SCL	SCK
A0	D00
RST	D01
CS	D02

Characteristic	Locus
Inheritance	System.Object > St7565
Namespace	Meadow.Foundation.Displays
Assembly	St7565.dll

Syntax

public class St7565 : DisplayBase

Constructors

St7565(IIODevice, ISpiBus, IPin, IPin, IPin, UInt32, UInt32)

Create a new ST7565 object using the default parameters for

Declaration

public St7565(IIODevice device, ISpiBus spiBus, IPin chipSelectPin, IPin dcPin, IPin resetPin, uint width = 128U, uint height = 64U)

Parameters

Type	Name	Description
IIODevice	device
ISpiBus	spiBus
IPin	chipSelectPin
IPin	dcPin
IPin	resetPin
System.UInt32	width
System.UInt32	height

Fields

chipSelectPort

Declaration

protected IDigitalOutputPort chipSelectPort

Field Value

Type	Description
IDigitalOutputPort

Command

Declaration

protected const bool Command = false

Field Value

Type	Description
System.Boolean

ContrastHigh

Declaration

public const uint ContrastHigh = 34U

Field Value

Type	Description
System.UInt32

ContrastLow

Declaration

public const uint ContrastLow = 15U

Field Value

Type	Description
System.UInt32

ContrastMedium

Declaration

public const uint ContrastMedium = 24U

Field Value

Type	Description
System.UInt32

currentPen

Declaration

protected Color currentPen

Field Value

Type	Description
Color

Data

Declaration

protected const bool Data = true

Field Value

Type	Description
System.Boolean

dataCommandPort

Declaration

protected IDigitalOutputPort dataCommandPort

Field Value

Type	Description
IDigitalOutputPort

pageBuffer

Declaration

protected byte[] pageBuffer

Field Value

Type	Description
System.Byte[]

pageReference

Declaration

protected int[] pageReference

Field Value

Type	Description
System.Int32[]

pageSize

Declaration

protected const int pageSize = 128

Field Value

Type	Description
System.Int32

resetPort

Declaration

protected IDigitalOutputPort resetPort

Field Value

Type	Description
IDigitalOutputPort

spiPerihperal

SPI object

Declaration

protected ISpiPeripheral spiPerihperal

Field Value

Type	Description
ISpiPeripheral

StartColumnOffset

Declaration

protected const int StartColumnOffset = 0

Field Value

Type	Description
System.Int32

Properties

ColorMode

Declaration

public override DisplayColorMode ColorMode { get; }

Property Value

Type	Description
DisplayColorMode

Height

Declaration

public override uint Height { get; }

Property Value

Type	Description
System.UInt32

Width

Declaration

public override uint Width { get; }

Property Value

Type	Description
System.UInt32

Methods

Clear(Boolean)

Clear the display buffer.

Declaration

public override void Clear(bool updateDisplay = false)

Parameters

Type	Name	Description
System.Boolean	updateDisplay	Immediately update the display when true.

DrawPixel(Int32, Int32)

Draw pixel using current pen

Declaration

public override void DrawPixel(int x, int y)

Parameters

Type	Name	Description
System.Int32	x	Abscissa of the pixel to the set / reset.
System.Int32	y	Ordinate of the pixel to the set / reset.

DrawPixel(Int32, Int32, Color)

Coordinates start with index 0

Declaration

public override void DrawPixel(int x, int y, Color color)

Parameters

Type	Name	Description
System.Int32	x	Abscissa of the pixel to the set / reset.
System.Int32	y	Ordinate of the pixel to the set / reset.
Color	color	Any color = turn on pixel, black = turn off pixel

DrawPixel(Int32, Int32, Boolean)

Coordinates start with index 0

Declaration

public override void DrawPixel(int x, int y, bool colored)

Parameters

Type	Name	Description
System.Int32	x	Abscissa of the pixel to the set / reset.
System.Int32	y	Ordinate of the pixel to the set / reset.
System.Boolean	colored	True = turn on pixel, false = turn off pixel

InvertDisplay(Boolean)

Invert the entire display (true) or return to normal mode (false).

Declaration

public void InvertDisplay(bool cmd)

Parameters

Type	Name	Description
System.Boolean	cmd

PowerSaveMode()

Declaration

public void PowerSaveMode()

SetContrast(UInt32)

Declaration

public void SetContrast(uint contrast)

Parameters

Type	Name	Description
System.UInt32	contrast

SetPenColor(Color)

Declaration

public override void SetPenColor(Color pen)

Parameters

Type	Name	Description
Color	pen

Show()

Send the internal pixel buffer to display.

Declaration

public override void Show()

StartScrolling(St7565.ScrollDirection)

Start the display scrollling in the specified direction.

Declaration

public void StartScrolling(St7565.ScrollDirection direction)

Parameters

Type	Name	Description
St7565.ScrollDirection	direction	Direction that the display should scroll.

StartScrolling(St7565.ScrollDirection, Byte, Byte)

Start the display scrolling.

Declaration

public void StartScrolling(St7565.ScrollDirection direction, byte startPage, byte endPage)

Parameters

Type	Name	Description
St7565.ScrollDirection	direction	Direction that the display should scroll.
System.Byte	startPage	Start page for the scroll.
System.Byte	endPage	End oage for the scroll.

Remarks

In most cases setting startPage to 0x00 and endPage to 0xff will achieve an acceptable scrolling effect.

StopScrolling()

Turn off scrolling.

Declaration

public void StopScrolling()

Remarks

Datasheet states that scrolling must be turned off before changing the scroll direction in order to prevent RAM corruption.