Characteristic	Locus
Inheritance	System.Object ObservableBase<Acceleration3D> SamplingSensorBase<Acceleration3D> PollingSensorBase<Acceleration3D> > Adxl3xxBase > Adxl335 > Adxl337 > Adxl377
Implements	ISamplingSensor<Acceleration3D> ISamplingSensor<Acceleration3D> IAccelerometer
Inherited Members	PollingSensorBase<Acceleration3D>.StartUpdating(Nullable<TimeSpan>) PollingSensorBase<Acceleration3D>.StopUpdating() SamplingSensorBase<Acceleration3D>.samplingLock SamplingSensorBase<Acceleration3D>.Updated SamplingSensorBase<Acceleration3D>.SamplingTokenSource SamplingSensorBase<Acceleration3D>.Conditions SamplingSensorBase<Acceleration3D>.IsSampling SamplingSensorBase<Acceleration3D>.UpdateInterval SamplingSensorBase<Acceleration3D>.RaiseEventsAndNotify(IChangeResult<>) SamplingSensorBase<Acceleration3D>.Read() ObservableBase<Acceleration3D>.observers ObservableBase<Acceleration3D>.NotifyObservers(IChangeResult<>) Meadow.Foundation.ObservableBase<Acceleration3D>.Subscribe(IObserver<>) Meadow.Foundation.ObservableBase<Acceleration3D>.CreateObserver(Action<>, System.Nullable<Predicate<IChangeResult<UNIT>>>)
Namespace	Meadow.Foundation.Sensors.Motion
Assembly	Adxl3xx.dll

Syntax

public abstract class Adxl3xxBase : PollingSensorBase<Acceleration3D>, ISamplingSensor<Acceleration3D>, ISamplingSensor<Acceleration3D>, IAccelerometer

Constructors

Adxl3xxBase(IPin, IPin, IPin, Int32, Nullable<Voltage>)

Create a new Adxl3xxBase sensor object

Declaration

protected Adxl3xxBase(IPin xPin, IPin yPin, IPin zPin, int gravityRange, Voltage? supplyVoltage)

Parameters

Type	Name	Description
IPin	xPin	Analog pin connected to the X axis output from the ADXL335 sensor.
IPin	yPin	Analog pin connected to the Y axis output from the ADXL335 sensor.
IPin	zPin	Analog pin connected to the Z axis output from the ADXL335 sensor.
System.Int32	gravityRange	The gravity rangy
System.Nullable<Voltage>	supplyVoltage	The supply voltage (typically 3.3V)

Properties

Acceleration3D

The current acceration value

Declaration

public Acceleration3D? Acceleration3D { get; }

Property Value

Type	Description
System.Nullable<Acceleration3D>

GravityRange

Gravity range

Declaration

protected double GravityRange { get; }

Property Value

Type	Description
System.Double

SupplyVoltage

Power supply voltage applied to the sensor - this will be set (in the constructor) to 3.3V by default

Declaration

protected Voltage SupplyVoltage { get; }

Property Value

Type	Description
Voltage

XAnalogIn

The X analog input port

Declaration

protected IAnalogInputPort XAnalogIn { get; }

Property Value

Type	Description
IAnalogInputPort

YAnalogIn

The Y analog input port

Declaration

protected IAnalogInputPort YAnalogIn { get; }

Property Value

Type	Description
IAnalogInputPort

ZAnalogIn

The Z analog input port

Declaration

protected IAnalogInputPort ZAnalogIn { get; }

Property Value

Type	Description
IAnalogInputPort

Methods

RaiseEventsAndNotify(IChangeResult<Acceleration3D>)

Raise events for subcribers and notify of value changes

Declaration

protected override void RaiseEventsAndNotify(IChangeResult<Acceleration3D> changeResult)

Parameters

Type	Name	Description
IChangeResult<Acceleration3D>	changeResult	The updated sensor data

ReadSensor()

Reads data from the sensor

Declaration

protected override Task<Acceleration3D> ReadSensor()

Returns

Type	Description
Task<Acceleration3D>	The latest sensor reading

Overrides

Meadow.Foundation.SamplingSensorBase<Acceleration3D>.ReadSensor()

VoltageToGravity(Voltage)

Convert voltage to gravity

Declaration

protected Acceleration VoltageToGravity(Voltage voltage)

Parameters

Type	Name	Description
Voltage	voltage	The voltage to convert

Returns

Type	Description
Acceleration	Acceleration value

Events

Acceleration3DUpdated

Raised when the acceleration value changes

Declaration

public event EventHandler<IChangeResult<Acceleration3D>> Acceleration3DUpdated

Event Type

Type	Description
EventHandler<IChangeResult<Acceleration3D>>