Meadow.Foundation.Leds.Pca9633

Pca9633
Status
Source code	GitHub
Datasheet(s)	GitHub
NuGet package

Code Example

Pca9633 pca9633;

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

    pca9633 = new Pca9633(Device.CreateI2cBus());

    return base.Initialize();
}

public override Task Run()
{
    //set the location of R,G,B leds for color control
    pca9633.SetRgbLedPositions(redLed: Pca9633.LedPosition.Led2,
                              greenLed: Pca9633.LedPosition.Led1,
                              blueLed: Pca9633.LedPosition.Led0);

    //set a single color
    pca9633.SetColor(Color.Red);
    Thread.Sleep(1000);
    pca9633.SetColor(Color.Blue);
    Thread.Sleep(1000);
    pca9633.SetColor(Color.Yellow);

    return base.Run();
}

Sample project(s) available on GitHub

Wiring Example

To wire a Pca9633 to your Meadow board, connect the following:

Pca9633	Meadow Pin
GND	GND
VCC	3V3
SCL	D08 (SCL Pin)
SDA	D07 (SDA Pin)

Class Pca9633

Represents a Pca9633 led driver

Assembly: Pca9633.dll

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Declaration

public class Pca9633 : II2cPeripheral

Implements:
Meadow.Hardware.II2cPeripheral

Properties

DefaultI2cAddress

The default I2C address for the peripheral

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Declaration

public byte DefaultI2cAddress { get; }

LedRed

Red LED location - used for RGB control

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Declaration

public Pca9633.LedPosition LedRed { get; set; }

LedGreen

Red LED location - used for RGB control

View Source

Declaration

public Pca9633.LedPosition LedGreen { get; set; }

LedBlue

Red LED location - used for RGB control

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Declaration

public Pca9633.LedPosition LedBlue { get; set; }

IsOn

Turn led controller output on or off

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Declaration

public bool IsOn { get; set; }

Fields

i2cComms

I2C Communication bus used to communicate with the peripheral

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Declaration

protected readonly II2cCommunications i2cComms

Methods

Wake()

Put device into active state

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Declaration

public void Wake()

Sleep()

Put device into sleep state

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Declaration

public void Sleep()

SetRgbLedPositions(LedPosition, LedPosition, LedPosition)

Helper method to set RGB led positions for color control

View Source

Declaration

public void SetRgbLedPositions(Pca9633.LedPosition redLed, Pca9633.LedPosition greenLed, Pca9633.LedPosition blueLed)

Parameters

Type	Name	Description
Meadow.Foundation.Leds.Pca9633.LedPosition	redLed	red led position
Meadow.Foundation.Leds.Pca9633.LedPosition	greenLed	green led position
Meadow.Foundation.Leds.Pca9633.LedPosition	blueLed	blue led position

SetColor(Color)

Set RGB LED color if red, green and blue LEDs are set

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Declaration

public void SetColor(Color color)

Parameters

Type	Name	Description
Meadow.Color	color	Color

SetLedBrightness(LedPosition, byte)

Set brightness of an individual led

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Declaration

public void SetLedBrightness(Pca9633.LedPosition led, byte brightness)

Parameters

Type	Name	Description
Meadow.Foundation.Leds.Pca9633.LedPosition	led	led position
System.Byte	brightness	brightness (0-255)

SetGroupBrightess(byte)

Set brightness of all leds

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Declaration

public void SetGroupBrightess(byte brightness)

Parameters

Type	Name	Description
System.Byte	brightness	brightness (0-255)

SetDriveMode(DriveType)

Set the drive mode Open drain or totem pole

View Source

Declaration

public void SetDriveMode(Pca9633.DriveType drive)

Parameters

Type	Name
Meadow.Foundation.Leds.Pca9633.DriveType	drive

SetAutoIncrementMode(AutoIncrement)

Set auto increment mode of control registers

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Declaration

public void SetAutoIncrementMode(Pca9633.AutoIncrement mode)

Parameters

Type	Name
Meadow.Foundation.Leds.Pca9633.AutoIncrement	mode

Implements

• Meadow.Hardware.II2cPeripheral