Remarks

Pca9685
Status
Source code	GitHub
NuGet package

Code Example

public class MeadowApp : App<F7Micro, MeadowApp>
{
    Pca9685 pca9685;

    public MeadowApp()
    {
        Initialize();
        Run();
    }

    void Initialize()
    {
        Console.WriteLine("Initialize hardware...");
        var i2CBus = Device.CreateI2cBus(I2cBusSpeed.FastPlus);

        pca9685 = new Pca9685(i2CBus, 0x40, 50);
        pca9685.Initialize();
    }

    public void Run()
    {
        var port0 = pca9685.CreatePwmPort(0, 0.05f);
        var port7 = pca9685.CreatePwmPort(7);

        port0.Start();
        port7.Start();
    }
}

Characteristic	Locus
Inheritance	System.Object > Pca9685
Inherited Members	System.Object.ToString() System.Object.Equals(System.Object) System.Object.Equals(System.Object, System.Object) System.Object.ReferenceEquals(System.Object, System.Object) System.Object.GetHashCode() System.Object.GetType() System.Object.MemberwiseClone()
Namespace	Meadow.Foundation.ICs.IOExpanders
Assembly	PCA9685.dll

Syntax

public class Pca9685

Constructors

Pca9685(II2cBus, Byte, Int32)

Declaration

public Pca9685(II2cBus i2cBus, byte address, int frequency = 100)

Parameters

Type	Name	Description
II2cBus	i2cBus
System.Byte	address
System.Int32	frequency

Fields

allCall

Declaration

protected const byte allCall = 1

Field Value

Type	Description
System.Byte

AllLedOffH

Declaration

protected const byte AllLedOffH = 253

Field Value

Type	Description
System.Byte

AllLedOffL

Declaration

protected const byte AllLedOffL = 252

Field Value

Type	Description
System.Byte

AllLedOnH

Declaration

protected const byte AllLedOnH = 251

Field Value

Type	Description
System.Byte

AllLedOnL

Declaration

protected const byte AllLedOnL = 250

Field Value

Type	Description
System.Byte

invert

Declaration

protected const byte invert = 16

Field Value

Type	Description
System.Byte

Led0OffH

Declaration

protected const byte Led0OffH = 9

Field Value

Type	Description
System.Byte

Led0OffL

Declaration

protected const byte Led0OffL = 8

Field Value

Type	Description
System.Byte

Led0OnH

Declaration

protected const byte Led0OnH = 7

Field Value

Type	Description
System.Byte

Led0OnL

Declaration

protected const byte Led0OnL = 6

Field Value

Type	Description
System.Byte

Mode1

Declaration

protected const byte Mode1 = 0

Field Value

Type	Description
System.Byte

mode1AI

Declaration

protected const byte mode1AI = 33

Field Value

Type	Description
System.Byte

Mode2

Declaration

protected const byte Mode2 = 1

Field Value

Type	Description
System.Byte

outDrv

Declaration

protected const byte outDrv = 4

Field Value

Type	Description
System.Byte

PreScale

Declaration

protected const byte PreScale = 254

Field Value

Type	Description
System.Byte

restart

Declaration

protected const byte restart = 128

Field Value

Type	Description
System.Byte

sleep

Declaration

protected const byte sleep = 16

Field Value

Type	Description
System.Byte

SubAdr1

Declaration

protected const byte SubAdr1 = 2

Field Value

Type	Description
System.Byte

SubAdr2

Declaration

protected const byte SubAdr2 = 3

Field Value

Type	Description
System.Byte

SubAdr3

Declaration

protected const byte SubAdr3 = 4

Field Value

Type	Description
System.Byte

Properties

Address

Declaration

public byte Address { get; protected set; }

Property Value

Type	Description
System.Byte

i2CBus

Declaration

public II2cBus i2CBus { get; protected set; }

Property Value

Type	Description
II2cBus

Methods

CreatePwmPort(Byte, Single)

Create a IPwmPort on the specified pin

Declaration

public virtual IPwmPort CreatePwmPort(byte portNumber, float dutyCycle = 0.5F)

Parameters

Type	Name	Description
System.Byte	portNumber	The port number (0-15)
System.Single	dutyCycle	The duty cycle for that port

Returns

Type	Description
IPwmPort	IPwmPort

Initialize()

Initializes the PCA9685 IC

Declaration

public virtual void Initialize()

SetFrequency(Int32)

Declaration

protected virtual void SetFrequency(int frequency)

Parameters

Type	Name	Description
System.Int32	frequency

SetPin(Byte, Boolean)

Turns the specified pin On or Off

Declaration

public virtual void SetPin(byte pin, bool on)

Parameters

Type	Name	Description
System.Byte	pin	The pin to set
System.Boolean	on	true is on, false if off

SetPwm(Byte, Int32, Int32)

Declaration

public virtual void SetPwm(byte pin, int on, int off)

Parameters

Type	Name	Description
System.Byte	pin
System.Int32	on
System.Int32	off

Write(Byte, Byte)

Declaration

protected virtual void Write(byte register, byte value)

Parameters

Type	Name	Description
System.Byte	register
System.Byte	value

Write(Byte, Byte, Byte, Byte, Byte)

Declaration

protected virtual void Write(byte register, byte ledXOnL, byte ledXOnH, byte ledXOffL, byte ledXOffH)

Parameters

Type	Name	Description
System.Byte	register
System.Byte	ledXOnL
System.Byte	ledXOnH
System.Byte	ledXOffL
System.Byte	ledXOffH