[etherlab-users] rtB not defined in RTW application

[Florian Pose]

Hello,

On Thu, May 28, 2009 at 10:56:47AM +0200, Julian Stoev wrote:
> I try to make a very simple RTW application to test my new Etherlab
> setup.  I have these slaves:
>
> 0  0:0  PREOP  +  EK1100 EtherCAT-Koppler (2A E-Bus)
> 1  0:1  PREOP  +  EL4132 2Ch. Ana. Ausgang +/-10V, 16bit
> 2  0:2  PREOP  +  EL5101 1K. Inc. Encoder 5V
>
> My application is writing a constant values to EL4132 and the idea
> isto measure the voltage signal with a multimeter.  I compile my rtw
> program on my real-time machine like this:
>
> make -f t1.mk MATLAB_ROOT=/opt/matlab_rtw
>       RTAI_DIR=/opt/etherlab/rtai-3.6.2 ETHERLAB_DIR=/opt/etherlab
>
> I get this error:
>
> CC     rtw_wrapper.o  CC
> rtw_app_info.o/opt/etherlab/rtw/src/rtw_app_info.c:67: error: ‘rtB’
> undeclared here(not in a function)make: *** [rtw_app_info.o] Error 1
>
> I had a look at the sources and apparently rtB is never defined.Such a
> variable is used only in ./rtw/src/ files, but rt_app.h definesvoid
> *app_rtBAm I doind something wrong here?

rtB is the calculation vector and only defined, if your model does
calculations. Please insert a simple gain block somewhere.

Which EtherLab version are you using, btw? I thought this was just a
policy of older versions...

-- 
Best regards,
Florian Pose

http://etherlab.org