Re: [Tauruslib-users] Question about taurus model for commands.

[Giacomo S. <gia...@el...>]

Hello Zbigniew.
Thanks for Your kind reply.
I will read the documentation you linked.

Giacomo.

On 07/29/2015 10:18 AM, Zbigniew Reszela wrote:
> Hello Giacomo,
>
> Thanks for your email! I reply also to the
> tau...@li...
> which is a dedicated list to the taurus user queries.
>
> In taurus you can executed commands on taurus devices (representing
> Tango devices) in the following way:
>
> In [1]: import taurus
> In [2]: d = taurus.Device('sys/tg_test/1')
> In [4]: d.DevFloat(1)
> Out[4]: 1.0
>
> However the model concept of Taurus does not include commands.
> Please take a look on the current documentation
> http://www.taurus-scada.org/en/latest/devel/core_tutorial.html#model-concept
> And also keep an eye on TEP3 and TEP14 which are refactoring the
> taurus core:
> https://sourceforge.net/p/tauruslib/wiki/TEP3
> https://sourceforge.net/p/tauruslib/wiki/TEP14
>  
> That means that you can not set a Tango command as a model of e.g.
> TaurusPlot and expect from it
> that it periodically execute the command and replot your curve.
> Of course you can develop your widget using taurus library to do what
> you want.
> An example of widget related to Tango commands is a TaurusCommandButton:
> http://www.taurus-scada.org/en/latest/devel/api/taurus/qt/qtgui/button/_TaurusCommandButton.html
> In this case its model is a Tango device.
>
> I recall that in the TEP3 and TEP14 discussions, commands were
> evaluated as models for Taurus, but I can't remember details.
> It seems that this was completely discarded cause the documents do not
> mention them.
> For sure Carlos Pascual will inform you better about it whenever he is
> back from holidays.
>
> I hope it helps,
> Zibi
>
>
> On 07/28/2015 05:17 PM, Giacomo S. wrote:
>> Hello Tangoers, hello Tiago.
>>
>> Is it possible in Taurus to "read" commands with a syntax like the
>> following:
>>
>> inj/diagnostics/cm_inj.01->GetCharge(0,1000)
>>
>> where I want to plot the output of the command GetCharge, which requires
>> two parameters, a "mode" (0) and the number of
>> returned points (1000).
>>
>> This would produce a 1000 points curve.
>>
>> Thanks Giacomo.
>
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> 	Zbigniew Reszela
> Controls Section - Computing Division
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