Class Bmx280Base

Represents the core functionality of the Bmx280 family.

Inheritance
Object
Bmxx80Base
Bmx280Base
Bme280
Bmp280
Implements
Inherited Members
Namespace: Iot.Device.Bmxx80
Assembly: Iot.Device.Bmxx80.dll
Syntax
[Interface("Represents the core functionality of the Bmx280 family.")]
public abstract class Bmx280Base : Bmxx80Base, IDisposable

Constructors

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Bmx280Base(Byte, I2cDevice)

Initializes a new instance of the Bmx280Base class.

Declaration
protected Bmx280Base(byte deviceId, I2cDevice i2cDevice)
Parameters
Type Name Description
Byte deviceId

The ID of the device.
I2cDevice i2cDevice

The I2cDevice to create with.

Fields

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DefaultI2cAddress

Default I2C bus address.

Declaration
public const byte DefaultI2cAddress = 119
Field Value
Type Description
Byte
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s_osToMeasCycles

Converts oversampling to needed measurement cycles for that oversampling.

Declaration
protected static readonly int[] s_osToMeasCycles
Field Value
Type Description
Int32[]
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SecondaryI2cAddress

Secondary I2C bus address.

Declaration
public const byte SecondaryI2cAddress = 118
Field Value
Type Description
Byte

Properties

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FilterMode

Gets or sets the IIR filter mode.

Declaration
[Property]
public Bmx280FilteringMode FilterMode { get; set; }
Property Value
Type Description
Bmx280FilteringMode
Exceptions
Type Condition
ArgumentOutOfRangeException

Thrown when the Bmx280FilteringMode is set to an undefined mode.
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StandbyTime

Gets or sets the standby time between two consecutive measurements.

Declaration
[Property]
public StandbyTime StandbyTime { get; set; }
Property Value
Type Description
StandbyTime
Exceptions
Type Condition
ArgumentOutOfRangeException

Thrown when the StandbyTime is set to an undefined mode.

Methods

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GetMeasurementDuration()

Gets the required time in ms to perform a measurement with the current sampling modes.

Declaration
[Property("MeasurementDuration")]
public virtual int GetMeasurementDuration()
Returns
Type Description
Int32

The time it takes for the chip to read data in milliseconds rounded up.
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ReadPowerMode()

Read the Bmx280PowerMode state.

Declaration
[Property("PowerMode")]
public Bmx280PowerMode ReadPowerMode()
Returns
Type Description
Bmx280PowerMode

The current Bmx280PowerMode.
Exceptions
Type Condition
NotImplementedException

Thrown when the power mode does not match a defined mode in Bmx280PowerMode.
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ReadStatus()

Get the current status of the device.

Declaration
[Telemetry("Status")]
public DeviceStatus ReadStatus()
Returns
Type Description
DeviceStatus

The DeviceStatus.
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SetDefaultConfiguration()

Sets the default configuration for the sensor.

Declaration
[Command]
protected override void SetDefaultConfiguration()
Overrides
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SetPowerMode(Bmx280PowerMode)

Sets the power mode to the given mode

Declaration
[Property("PowerMode")]
public void SetPowerMode(Bmx280PowerMode powerMode)
Parameters
Type Name Description
Bmx280PowerMode powerMode

The Bmx280PowerMode to set.
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TryReadAltitude(out Length)

Calculates the altitude in meters from the mean sea-level pressure.

Declaration
public bool TryReadAltitude(out Length altitude)
Parameters
Type Name Description
UnitsNet.Length altitude

Contains the calculated metres above sea-level if the PressureSampling was not set to Skipped. Contains NaN otherwise.
Returns
Type Description
Boolean 
true
if pressure measurement was not skipped, otherwise 
false
.
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TryReadAltitude(Pressure, out Length)

Calculates the altitude in meters from the specified sea-level pressure(in hPa).

Declaration
public bool TryReadAltitude(Pressure seaLevelPressure, out Length altitude)
Parameters
Type Name Description
UnitsNet.Pressure seaLevelPressure

Sea-level pressure
UnitsNet.Length altitude

Contains the calculated metres above sea-level if the PressureSampling was not set to Skipped. Contains NaN otherwise.
Returns
Type Description
Boolean 
true
if pressure measurement was not skipped, otherwise 
false
.
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TryReadPressure(out Pressure)

Reads the pressure. A return value indicates whether the reading succeeded.

Declaration
[Telemetry("Pressure")]
public override bool TryReadPressure(out Pressure pressure)
Parameters
Type Name Description
UnitsNet.Pressure pressure

Contains the measured pressure in Pa if the PressureSampling was not set to Skipped. Contains NaN otherwise.
Returns
Type Description
Boolean 
true
if measurement was not skipped, otherwise 
false
.
Overrides
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TryReadPressureCore(out Pressure, Boolean)

Performs a pressure reading.

Declaration
protected bool TryReadPressureCore(out Pressure pressure, bool skipTempFineRead = false)
Parameters
Type Name Description
UnitsNet.Pressure pressure
Boolean skipTempFineRead
Returns
Type Description
Boolean

UnitsNet.Pressure
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TryReadTemperature(out Temperature)

Reads the temperature. A return value indicates whether the reading succeeded.

Declaration
[Telemetry("Temperature")]
public override bool TryReadTemperature(out Temperature temperature)
Parameters
Type Name Description
UnitsNet.Temperature temperature

Contains the measured temperature if the TemperatureSampling was not set to Skipped. Contains NaN otherwise.
Returns
Type Description
Boolean 
true
if measurement was not skipped, otherwise 
false
.
Overrides
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TryReadTemperatureCore(out Temperature)

Performs a temperature reading.

Declaration
protected bool TryReadTemperatureCore(out Temperature temperature)
Parameters
Type Name Description
UnitsNet.Temperature temperature
Returns
Type Description
Boolean

UnitsNet.Temperature

Implements