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Re: FW: Newbie: register access
- From: "martinos72\ at libero\ dot it" <martinos72 at libero dot it>
- To: "ecos-discuss" <ecos-discuss at sources dot redhat dot com>
- Date: Fri, 12 Sep 2003 15:54:45 +0200
- Subject: Re: [ECOS] FW: Newbie: register access
My boar is custom, the redboot and ecos has been porting from "MICROPLEX Printer Controller 5.0". The CPU is a INTEL PXA255. The board have some led and micro-switch and i'm trying to use them. THANKS OSCAR
-----Original Message-----
From: ecos-discuss-owner@sources.redhat.com [mailto:ecos-discuss-owner@sources.redhat.com] On Behalf Of Gary Thomas
Sent: venerdì 12 settembre 2003 14.00
To: Oscar
Cc: eCos Discussion
Subject: Re: [ECOS] FW: Newbie: register access
On Fri, 2003-09-12 at 05:18, Oscar wrote:
> I need to read/write a 16bit register on /CS5 external bus, whitch is
> the better way?
You'll have to arrange that /CS5 is mapped to some address. Then use the HAL I/O routines for it, e.g. HAL_READ_UINT16()
What processor/platform are you working with?
--
Gary Thomas <gary@mlbassoc.com>
MLB Associates
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