[ts-7000] Re: real time application

["Adriano Naspolini" <>]

Hi Peter,
getSpeed() won't be a problem. It's just "v=x/t"!
I'll try to change this device driver to use its interruption.

Thanks

Adriano


--- In  "PeterElliot" <> wrote:
>
> Hi Adriano,
> 
> Check out the ADC Device Drive in the file section of the group. It 
> implements an interrupt driven background task which should be 
> modifiable for your application.
> 
> The only thing to decide is how to implement the getSpeed() (assuming 
> it's not a simple register read) so that the interrupt is does not 
> take too long.
> 
> Hope this helps,
> 
> PJE
> 
> --- In  "Adriano Naspolini" <anaspolini@> 
> wrote:
> >
> > Hi,
> > My application has a Feedback Control System function needing to be
> > calculated every 50ms.
> > The function is something like that:
> > 
> > control (int speedRef){
> > e1 = e0;
> > e0 = speedRef-getSpeed();
> > c1 = c0;
> > c0 = e1*0.5 - e0*1.1 + c1;
> > if (c0 > 100)
> >   c0=100;
> > else if (c0 < 0)
> >   c0 = 0;
> > SetPWM(c, ...);
> > }
> > 
> > At the same time i have threads taking care of graphic interface,
> > serial bus, reading/writing a file, but without hard time 
> constraints.
> > 
> > Is there any way to make this work in a Debian 2.4.x/TS7300 (no 
> RTOS)?
> >
>




 
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/ts-7000/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/ts-7000/join
    (Yahoo! ID required)

<*> To change settings via email:
     
    

<*> To unsubscribe from this group, send an email to:
    

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/