From: "Trenton D. Adams" <tadams@theone.dnsalias.com>
To: "'Jonathan Larmour'" <jlarmour@redhat.com>
Cc: "'eCos Disuss'" <ecos-discuss@sourceware.cygnus.com>
Subject: RE: [ECOS] program doesn't work with new redboot
Date: Mon, 13 Aug 2001 14:10:00 -0000 [thread overview]
Message-ID: <000701c1243c$6483c700$090110ac@TRENT> (raw)
In-Reply-To: <3B783836.848713EF@redhat.com>
Sorry, wrong terminology! :)
It's not the timer I'm worried about. If the CL-PS6700 does not run at
a constant 18.432MHz, it will not work properly. The cycle timing will
be off and I won't be able to communicate with the PC-card.
So, with this new information, is it possible that Redboot's clock rate
could interfere with the eCos program?
-----Original Message-----
From: jlarmour@cambridge.redhat.com
[ mailto:jlarmour@cambridge.redhat.com ] On Behalf Of Jonathan Larmour
Sent: Monday, August 13, 2001 2:28 PM
To: Trenton D. Adams
Cc: 'eCos Disuss'
Subject: Re: [ECOS] program doesn't work with new redboot
"Trenton D. Adams" wrote:
>
> What about the clock speed of the processor?
Oh you meant *eCos* configuration options when you said "compilation
options". I thought you meant the compile line options. In that case,
"yes"
:-).
> Default settings for the
> EDB7111 is 73.728MHz. So, I assume that redboot must be set to this
> since the Redboot user guide seems to use mostly default values. Is
> this likely to cause a problem if I need my eCos program to run at
> 18.432MHz? But, I would think that since eCos is the last system to
> start up, the CPU should be set to 18.432MHz instead of what redboot
> wanted it to be.
I don't think RedBoot uses the timer for anything, so porbably okay.
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
next prev parent reply other threads:[~2001-08-13 14:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-10 13:20 Trenton D. Adams
2001-08-10 14:28 ` Jonathan Larmour
2001-08-10 22:29 ` Trenton D. Adams
2001-08-11 6:53 ` Jonathan Larmour
2001-08-13 8:35 ` Trenton D. Adams
2001-08-13 9:53 ` Jonathan Larmour
2001-08-13 13:13 ` Trenton D. Adams
2001-08-13 13:27 ` Jonathan Larmour
2001-08-13 14:10 ` Trenton D. Adams [this message]
2001-08-11 18:05 ` Mark Salter
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