This is the mail archive of the
ecos-devel@sourceware.org
mailing list for the eCos project.
Re: contributing filesystem and a failsafe update meachanism for FISfrom within ecos applications
- From: Jon Ringle <ml dot ecos at ringle dot org>
- To: ecos-devel at ecos dot sourceware dot org
- Date: Fri, 23 Sep 2005 09:01:08 -0400
- Subject: Re: contributing filesystem and a failsafe update meachanism for FISfrom within ecos applications
- Organization: Comdial
- References: <5A8A17126B73AC4C83968F6C4505E3C502BE67C5@JO-EX01.JENOPTIK.NET>
- Reply-to: ml dot ecos at ringle dot org
On Friday 23 September 2005 08:09 am, Neundorf, Alexander wrote:
> 5. after the image is written, set the valid_flag of the fis directory
> which will become active to 0xa5a5. In order to do this, the flash block
> doesn't have to be erased, since the transition from 0xfdfd to 0xa5a5 only
> sets some bits to 0.
I didn't know this property of flash. Is this a universal property of NOR
flash?
Jon