The WP I'll add a pin for that.
Also a switch. That way you can use a local switch, or build
it somewhere else if you want.
File system will be the standard DOS one.
Since I'm doing a block device driver, and debugging
the "indian"ness of the DOS FS. Have to look
at the journalling as a second step.
Of course, if you write your file first under a temp name, then
rename it, you can reduce the window.
The writing will be direct, no cache. (Well the drives sometimes
have cache, but that is controlled by drive options/jumpers for IDE)
At 05:40 PM 9/22/2000, you wrote:
>Glenn West wrote:
> > Hi All
> > In the process of doing a CF/IDE adapter.
> > Followng is the specs:
> > Same formfactor as ucsimm (Taller to accomadate the CF Plug)
> > Use SPI interface to 68EZ/VZ
> > Allow up to 4 SIMM per SPI/ucsimm (4 CF or 4 IDE interfaces - Mix or match)
> > 1 Type2 Compact Flash Socket
> > 1 IDE 40/44 Pin Connector
> > I'll get the DOS FS up and running as well.
> > Any special requests?
>So, you are going to use the CF in true-ide mode.
>In that case, a hardware (no, not software, since that can always be
>write protect switch/jumper would be very handy to protect data or
>boot image/filesystem. The filesystem should become hacker-proof that way.
>Secondly, are you going to do direct writing or use a cache ?
>Take into account power losses or deliberate power-down can cause
>How about Axis' (if I recall correctly) Journalling Flash file system ?
> > The IC for doing the interfacing can also be available.
> > This message resent by the email@example.com list server
> Johan Severeyns
> R&D Engineer, Network Administrator
> IDCS N.V.
>This message resent by the firstname.lastname@example.org list server
This message resent by the email@example.com list server http://www.uClinux.com/
This archive was generated by hypermail 2b30 : Sun Apr 07 2002 - 00:01:38 EST