Class DeviceDriverStream

This stream encapsulates the interface between a user mode application and a device driver on the controller.

Inheritance

System.Object

System.MarshalByRefObject

System.IO.Stream

ControllerBoundStream

DeviceDriverStream

Implements

System.IDisposable

Inherited Members

System.IO.Stream.Null

System.IO.Stream.CopyToAsync(System.IO.Stream)

System.IO.Stream.CopyToAsync(System.IO.Stream, System.Int32)

System.IO.Stream.CopyToAsync(System.IO.Stream, System.Int32, System.Threading.CancellationToken)

System.IO.Stream.CopyTo(System.IO.Stream)

System.IO.Stream.CopyTo(System.IO.Stream, System.Int32)

System.IO.Stream.Dispose()

System.IO.Stream.Dispose(System.Boolean)

System.IO.Stream.FlushAsync()

System.IO.Stream.FlushAsync(System.Threading.CancellationToken)

System.IO.Stream.CreateWaitHandle()

System.IO.Stream.BeginRead(System.Byte[], System.Int32, System.Int32, System.AsyncCallback, System.Object)

System.IO.Stream.EndRead(System.IAsyncResult)

System.IO.Stream.ReadAsync(System.Byte[], System.Int32, System.Int32)

System.IO.Stream.ReadAsync(System.Byte[], System.Int32, System.Int32, System.Threading.CancellationToken)

System.IO.Stream.BeginWrite(System.Byte[], System.Int32, System.Int32, System.AsyncCallback, System.Object)

System.IO.Stream.EndWrite(System.IAsyncResult)

System.IO.Stream.WriteAsync(System.Byte[], System.Int32, System.Int32)

System.IO.Stream.WriteAsync(System.Byte[], System.Int32, System.Int32, System.Threading.CancellationToken)

System.IO.Stream.ReadByte()

System.IO.Stream.WriteByte(System.Byte)

System.IO.Stream.Synchronized(System.IO.Stream)

System.IO.Stream.ObjectInvariant()

System.IO.Stream.CanTimeout

System.IO.Stream.ReadTimeout

System.IO.Stream.WriteTimeout

System.MarshalByRefObject.MemberwiseClone(System.Boolean)

System.MarshalByRefObject.GetLifetimeService()

System.MarshalByRefObject.InitializeLifetimeService()

System.MarshalByRefObject.CreateObjRef(System.Type)

Namespace: ABB.Robotics.Controllers

Assembly: ABB.Robotics.Controllers.PC.dll

Syntax

public class DeviceDriverStream : ControllerBoundStream, IDisposable

Constructors

DeviceDriverStream(Controller, String)

Opens the stream with Read access.

Declaration

public DeviceDriverStream(Controller controller, string name)

Parameters

Type	Name	Description
Controller	controller	Controller that hosts the stream.
System.String	name	Name of device.

DeviceDriverStream(Controller, String, DeviceAccess)

Opens a stream with the specified name and access.

Declaration

public DeviceDriverStream(Controller controller, string name, DeviceAccess access)

Parameters

Type	Name	Description
Controller	controller	Controller that hosts the stream.
System.String	name	Name of stream to open.
DeviceAccess	access	Access of stream.

DeviceDriverStream(Controller, String, DeviceAccess, Int32)

Opens a stream with the specified name and access.

Declaration

public DeviceDriverStream(Controller controller, string name, DeviceAccess access, int flags)

Parameters

Type	Name	Description
Controller	controller	Controller that hosts the stream.
System.String	name	Name of stream to open.
DeviceAccess	access	Access of stream.
System.Int32	flags	Device specific flags.

Properties

CanRead

Check if the stream can be read.

Declaration

public override bool CanRead { get; }

Property Value

Type	Description
System.Boolean

Overrides

System.IO.Stream.CanRead

CanSeek

Checks if the stream can be seeked.

Declaration

public override bool CanSeek { get; }

Property Value

Type	Description
System.Boolean

Overrides

System.IO.Stream.CanSeek

CanWrite

Checks if the stream can be written.

Declaration

public override bool CanWrite { get; }

Property Value

Type	Description
System.Boolean

Overrides

System.IO.Stream.CanWrite

Length

Not possible to read length from a device stream.

Declaration

public override long Length { get; }

Property Value

Type	Description
System.Int64

Overrides

System.IO.Stream.Length

Position

It is not possible the seek on a device stream.

Declaration

public override long Position { get; set; }

Property Value

Type	Description
System.Int64

Overrides

System.IO.Stream.Position

Methods

Close()

Closes the stream object.

Declaration

public override void Close()

Overrides

System.IO.Stream.Close()

Flush()

Flush data to stream, currently not implemented, all writes are imediate against the controller.

Declaration

public override void Flush()

Overrides

System.IO.Stream.Flush()

Read(Byte[], Int32, Int32)

Reads a sequence of bytes from the stream.

Declaration

public override int Read(byte[] buffer, int offset, int count)

Parameters

Type	Name	Description
System.Byte[]	buffer	Buffer for read data.
System.Int32	offset	Offset in buffer.
System.Int32	count	Maximum number of bytes to read.

Returns

Type	Description
System.Int32	Acutal number of bytes read.

Overrides

System.IO.Stream.Read(System.Byte[], System.Int32, System.Int32)

Seek(Int64, SeekOrigin)

Not supported.

Declaration

public override long Seek(long offset, SeekOrigin origin)

Parameters

Type	Name	Description
System.Int64	offset	Not supported.
System.IO.SeekOrigin	origin	Not supported.

Returns

Type	Description
System.Int64	Not supported.

Overrides

System.IO.Stream.Seek(System.Int64, System.IO.SeekOrigin)

SetLength(Int64)

Not supported.

Declaration

public override void SetLength(long value)

Parameters

Type	Name	Description
System.Int64	value	Not supported.

Overrides

System.IO.Stream.SetLength(System.Int64)

Write(Byte[], Int32, Int32)

Writes a sequence of bytes to the stream.

Declaration

public override void Write(byte[] buffer, int offset, int count)

Parameters

Type	Name	Description
System.Byte[]	buffer	Buffer for write data.
System.Int32	offset	Offset in buffer to write.
System.Int32	count	Maximum number of bytes to write.

Overrides

System.IO.Stream.Write(System.Byte[], System.Int32, System.Int32)

Implements

System.IDisposable