Problems with data sharing between fpga and Simulink via SIT

Angela,
I would like to send You the code, but I cannot send on a forum because of c
onfidentiality,
I wil call the suport in the Netherlands so that  they can arrange
 something
 
Regards
Frank

Hello Frank,
There is not a limit as you mentioned before, but you do have to make sure t
hat the buffer settings for acquiring from your hardware are sufficient.&nbs
p; There is a configuration option in the SIT connection manager that you ma
y need to adjust.  I a
m posting images of the connection manager and the button I am talking about
.  It is on the hardare I/O tab.  Make sure that the number of sig
nals is at least as many as how many signals you are mapping.  The defa
ult number is 50, so if you
are acquiring from 100 channels, then this number should be 100 at a minimum
.  This change takes place when the driver VI is scripted.
<img src="http://forums.ni.com/attachments/ni/170/313215/1/sit_buffer_settin
gs1.jpg">
<img src="http://forums.ni.com/attachments/ni/170/313215/2/sit_buffer2_setti
ngs1.jpg">
Regards,Angela MProduct Support Engineer
 
 
 Message Edited by Angela M on 04-02-2008  02:13 PM


sit_buffer_settings1.jpg:
http://forums.ni.com/attachments/ni...r_settings1.jpg


sit_buffer2_settings1.jpg:
http://forums.ni.com/attachments/ni...2_settings1.jpg

Angela,
 I changed the values in the driver vi itself, and it did not help.
Does it make any difference if  I adjust these values in the SIT manage
r like you mentioned or adjust them in the driver vi like I did.
 
Did you already received my code from the support in the Netherlands?
 
Regards
Frank

Hello Frank,
I did get the code, but have not had a chance to look through it thoroughly 
yet.
 
Changing these values in the driver VI should be fine as long as you do not 
rescript the driver VI, at which point your manually changed values will be 
overwritten.
 
Regards,
Angela MProduct Support Engineer

Hello Frank,
Earlier I had asked you to check the values coming from the FPGA in the driv
er VI.  I am posting a few screenshots to make sure that we are on the 
same page.  If the values that I am pointing to are off, then you need 
to evaluate your bitfile an
d make sure it is behaving exactly as it is supposed to.
driverVIvalues.jpg shows the node where you should probe your values (this s
hould not be broken wires for you).  Indicatormappedindices.jpg and map
pedindices.jpg are two other locations were we can verify this data for your
 problematic values.
Can you please double check and specify whether these values are nonsense, c
orrect or zero?
Regards,
Angela MProduct Support Engineer
 Message Edited by Angela M on 04-03-2008  08:02 AM


indicatormappedindices.jpg:
http://forums.ni.com/attachments/ni...ppedindices.jpg


driverVIvalues.jpg:
http://forums.ni.com/attachments/ni...verVIvalues.jpg


mappedindices.jpg:
http://forums.ni.com/attachments/ni...ppedindices.jpg

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