AdsServer.OnWriteAsync 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 ReadOnlyMemory<Byte> |
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, ReadOnlyMemory<Byte>, CancellationToken) operation. The Task<TResult> 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).