AdsSymbolicServerOnWriteIgIoAsync Method
Handler function for handling of pure Write IG/IO Indications.
Namespace: TwinCAT.Ads.Server
Assembly: TwinCAT.Ads.SymbolicServer (in
TwinCAT.Ads.SymbolicServer.dll) Version:
7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470
Syntax
C#
protected virtual Task<ResultWrite> OnWriteIgIoAsync(
AmsAddress sender,
uint invokeId,
uint indexGroup,
uint indexOffset,
ReadOnlyMemory<byte> writeData,
CancellationToken cancel
)Parameters
|
sender 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 pure ADS Write indications by IG/IO. The Default implementation returns a DeviceServiceNotSupported error.
Reference
AdsSymbolicServer Class TwinCAT.Ads.Server Namespace
Beckhoff Automation GmbH & Co. KG 2001-2026