Experimental Physics and
Industrial Control System

[email protected] (Jeff Hill) · Mon, 28 Jun 1999 10:27:27 -0600

Liam,

You will also need to call either sysIntEnable(intLevel) or
devEnableInterruptLevel() to enable the VME interrupt level that your
board is using.

Jeff

>
> Are you sure you have the IACK daisy chain completed on the
> backplane? If the
> source of the interrupt isn't right next to the cpu, the chain
> can be open. Then
> the interrupts are not handled.
>
>
> Garrett Rinehart
> Intense Pulsed Neutron Source
> Argonne National Laboratory
> 9700 S. Cass Ave
> Argonne, IL  60439
> (630)252-6561
>
> > To: tech-talk <[email protected]>
> > Subject: XY240 interrupts
> > MIME-Version: 1.0
> >
> > Hello
> > I am currently trying to write some interrupt support for an XYCOM xy240
> > I/O board.
> > I have used devConnectInterrupt and intConnect to try and connect my ISR
> > with the interrupt from this board, to no avail.
> > When I input a signal to one of the interrupt inputs on the board, the
> > internal registers change properly, but my ISR does not run.
> > I suspect that either the board is not generating an interrupt,
> or that it
> > is being ignored somehow.
> > If anyone has any suggestions I would love to hear them.
> > Thanks
> > Liam O Neill
> >
>
>

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System