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https://issues.apache.org/jira/browse/PLC4X-44?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16984898#comment-16984898
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Christofer Dutz commented on PLC4X-44:
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Sure, I tried to write down everything and after updating it recently it should
be pretty up to date:
The general concept is described here:
[http://plc4x.apache.org/developers/code-gen/index.html]
A documentation of the MSPEC format is here. You use this to implement new
protocols:
[http://plc4x.apache.org/developers/code-gen/protocol/mspec.html]
The documentation on how to provide templates for other output languages is
here:
[http://plc4x.apache.org/developers/code-gen/language/freemarker.html]
And here's a very small example:
[http://plc4x.apache.org/developers/code-gen/protocol/df1.html]
Hope that helps.
> [Modbus] Make the modbus driver support reading and writing of multiple values
> ------------------------------------------------------------------------------
>
> Key: PLC4X-44
> URL: https://issues.apache.org/jira/browse/PLC4X-44
> Project: Apache PLC4X
> Issue Type: Improvement
> Components: Driver-Modbus
> Reporter: Christofer Dutz
> Priority: Major
>
> Currently the modbus driver would throw an Exception when writing more than
> one item and/or value in one request
> Plc4XModbusProtocol.encodeWriteRequest
> This however has to be possible. If the protocol itself doesn't support it,
> we need to implement some automatic code similar to that of the S7 driver
> (See: DefaultS7MessageProcessor and the PendingWriteQueue in S7Protocol)
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