Re: Wince OS update Utility

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You can't simultaneously write and read from flash. I suspect that not
all of the blocks erased. To update the flash with an image running XIP is
delicate at best. You will need to keep anything and everything that is
running XIP from running while you do the update.

--
Bruce Eitman (eMVP)
Senior Engineer
beitman AT applieddata DOT net

Applied Data Systems
www.applieddata.net
An ISO 9001:2000 Registered Company
Microsoft WEP Gold-level Member

"Sire Buwa" <SireBuwa@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:B530B917-1972-435D-9B00-B81F1A58AB67@xxxxxxxxxxxxxxxx
Hi All,
I am developing a wince OS updating utility. This utility need to update
the
device OS (Windows CE) reading the NK.bin from the device SD card and
update
the device flash with new OS. When the device booted with ram image the
utility is work as expected and update the device OS as expected. But when
the device boots with flash image, the utility fails. In this occasion the
device flash deleted success fully but flash writing procedure fails.
Can anyone help me on this situation?
My device is PXA270 and flash is Intel StrataFlash® Embedded Memory (P30)
Family.

Thank in advance.
Sira




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Relevant Pages

  • Re: question on XIP and Intel PSM
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  • Re: Flash Update Utility for WinCE
    ... Bruce Eitman [eMVP] wrote: ... If you are running XIP from your NOR flash then this is risky and a big challenge ... If you have a disk in that NOR flash then you need to shut it down - that is you cannot let it access flash while you are doing the update ... You may consider to move the update features inside the bootloader (having to re-implement filesystem access without the OS) or "waste" some flash space to keep a minimal OS image used only to update your system. ...
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