[Scilab-users] XCos: custom block, error 'Undefined Function Type'

[StefanT]

Hi Clément,

thanks for your advice. I'm now trying to do it using a type 4 function
type.

Cheers, Stefan


Clément David-2 wrote
> Hello Stefan,
> 
> First of all to call a DLL is strongly suggest you to use the C API
> instead of the Scilab one for performance reason : we have to copy all
> the data before calling the Scilab simulation function  and copy them
> back after the call whereas in C we just pass pointers to the data.
> 
> The Scilab function type is supported as some blocks use it (BPLATFORM,
> PENDULUM_ANIM, BARXY, TKSCALE). You can also directly check the
> "xcos_toolbox_skeleton" that implement a sum block in Scilab.
> 
> If you are unable to found the issue by yourself, post a dummy test
> case that I can use.
> 
> Regards,
> 
> --
> Clément
> 
> Le jeudi 09 juillet 2015 à 05:43 -0700, StefanT a écrit :
>> hi,
>> 
>> I am trying to introduce a new custom block for interfacing our 
>> simulation
>> tool. the communication will be done via a Dll. the computational 
>> function
>> of my block is a Scilab (Type 5) function which will exchange the 
>> data with
>> the Dll. I am using Scilab 5.5.2 32bit.
>> For writing the interface function and computational function I 
>> followed
>> mainly the book "Modeling and Simulation in Scilab/Scicos". If 
>> anybody knows
>> of an equally detailled but more recent manual please let me know.
>> 
>> I wrote an interface function, where the computational function is
>> referenced via
>> model.sim = list('myComputationalFunction',5);
>> in the 'define' section.
>> myComputationalFunction is loaded to Scilab already in the startup 
>> file.
>> 
>> when trying to run a model consisting of my blocks I get (at debug 
>> level 2)
>> the following output in Scilab:
>> block 1 is called with flag 4 at time 0.000000 
>> Undefined Function type
>> block 2 is called with flag 4 at time 0.000000 
>> Undefined Function type
>> block 1 is called with flag 5 at time 0.000000 
>> Undefined Function type
>> block 2 is called with flag 5 at time 0.000000 
>> Undefined Function type
>> 
>> I know that the computational function isn't even entered because I 
>> placed
>> there some disp() statements.
>> 
>> Is this a bug in Scilab/XCos? Or is function type 5 not supported in 
>> the
>> current version?
>> 
>> thanks in advance, stefan
>> 
>> 
>> 
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