AdsServerOnWriteAsync Method

Called when an ADS Write indication is received.


Namespace: TwinCAT.Ads.Server
Assembly: TwinCAT.Ads.Server (in TwinCAT.Ads.Server.dll) Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470

Syntax

C#

protected virtual Task<ResultWrite> OnWriteAsync(
    AmsAddress target,
    uint invokeId,
    uint indexGroup,
    uint indexOffset,
    ReadOnlyMemory<byte> writeData,
    CancellationToken cancel
)

Parameters

target  AmsAddress

The sender address of the request.

invokeId  UInt32

The invoke identifier of the request.

indexGroup  UInt32

The index group of the requested ADS service

indexOffset  UInt32

The index offset of the requested ADS service

writeData  ReadOnlyMemoryByte

The data to be written

cancel  CancellationToken

The cancellation token.

Return Value

Task ResultWrite
A task that represents the asynchronous WriteIndicationAsync(AmsAddress, UInt32, UInt32, UInt32, ReadOnlyMemoryByte, CancellationToken) operation. The TaskTResult parameter contains the AdsErrorCode as Result.

Remarks

Overwrite this method in derived classes to react on ADS Write indications. The default implementation replies with an ADS ServiceNotSupported error code (0x701).

Reference

AdsServer Class TwinCAT.Ads.Server Namespace

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