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From: "Antonin Ancelle" <antonin.ancelle@mathworks.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: F28335 with Simulink
Date: Tue, 22 Sep 2009 17:21:33 +0200
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Hi Pawel,

Check bug report 521642 at the following page.
http://www.mathworks.com/support/bugreports/search_results?search_executed=1&keyword=&release_filter=Exists+in&release=151&selected_products=72&commit=Search

Cheers,

Antonin.


"Pawel " <blaszczy@student.agh.edu.pl> wrote in message 
news:h8sslk$g67$1@fred.mathworks.com...
> Hi!
> I have some problems with programming F28335 chip by Simulink.
> I opened sample project for my processor: c28335pwmtest, but it doesen't 
> work proper: on ePWM outputs I didn't get any signals. I changed this 
> program: timer period is set by dialog (not by input port). I set up it 
> for constant value 10000 and I set up initial value in CMPA for 5000, but 
> CMPA source is set to input port. For this input port I have attached 
> constant block with 8000 value (like in example project). I can download 
> this program and run it, but I don't get proper working program: on scope 
> in ePWM1a pin i get PWM signal, but with filling 50% (like initial value), 
> I can change this value in program and I get other filling, but I should 
> get filling from input port, not from initial value... When I change value 
> in constant block - it don't make any results in program - it looks like 
> ePWM is initialized by initial value and later it isn't updated any time. 
> I was trying check all
> options in ePWM block, but I don't find any solution.
> Does anybody had similar problem? What am I doing wrong?
> About my software: I have Matlab R2008b, CCStudio 3.3 with SP12 and I have 
> installed other updates (DSP/BIOS, CGTool etc)
>
> Best regards!
> Pawel