This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
Re: cyg_drv_interrupt_create ()
- To: "Trenton D. Adams" <tadams at extremeeng dot com>
- Subject: Re: [ECOS] cyg_drv_interrupt_create ()
- From: Jonathan Larmour <jlarmour at redhat dot com>
- Date: Fri, 22 Jun 2001 20:56:38 +0100
- Cc: 'eCos' <ecos-discuss at sources dot redhat dot com>
- Organization: Red Hat UK Ltd.
- References: <000d01c0fa9b$4a2641f0$090110ac@TRENT>
"Trenton D. Adams" wrote:
>
> > -----Original Message-----
> > From: jlarmour@cambridge.redhat.com
> > [mailto:jlarmour@cambridge.redhat.com] On Behalf Of Jonathan Larmour
> > Sent: Wednesday, June 20, 2001 8:21 PM
> > To: Trenton D. Adams
> > Cc: 'eCos'
> > Subject: Re: [ECOS] cyg_drv_interrupt_create ()
> > "Trenton D. Adams" wrote:
> > >
> > > What exactly is the first parameter to this functions
> > supposed to be?
> > > I'm thinking and interrupt number, but I'm not sure. Maybe it's a
> > > memory address, or an offset into the interrupt vector table?
> >
> > The interrupt number. Most times these map directly to what
> > you would expect. But you can get the definitions by
> > including <cyg/hal/hal_intr.h>. Look at the header (and
> > possibly what it includes) to find the value required. Yes
> > our documentation could be improved :-|.
>
> Does it have to be defined in the <cyg/hal/hal_intr.h> header file to be
> a useable interrupt?
There should be entries for each interrupt that exists as generally the
number of interrupts is used to calculate the size of the eCos interrupt
table. Do you have one that isn't listed for a port?
Jifl
--
Red Hat, Rustat House, Clifton Road, Cambridge, UK. Tel: +44 (1223) 271062
Maybe this world is another planet's Hell -Aldous Huxley || Opinions==mine
Come to the Red Hat TechWorld open source conference in Brussels!
Keynotes, techie talks and exhibitions http://www.redhat-techworld.com/