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Rockbox mail archiveSubject: Re: adding another OF database rebuild byte to the e200 blRe: adding another OF database rebuild byte to the e200 bl
From: Jonathan Gordon <jdgordy_at_gmail.com>
Date: Sun, 20 May 2007 13:13:38 +1000 I'm not sure what happened last night, but I redid the dumps and got it working, it uses the same sector/offset as the other -A versioned OF, so it might be contstant values for the -A and -E versions? is the radio the only thing in the american version not in the eu version? On 20/05/07, Barry Wardell <barry.wardell_at_gmail.com> wrote: > It was just a single byte in the other versions that changed from 0 to > 1 (so possibly just a single bit). That includes the 1.00.12E > firmware, which I think is just the European version of your > (American) 1.00.12 firmware. I would expect a very similar structure > between the two. This page: > http://www.rockbox.org/twiki/bin/view/Main/SansaE200FirmwarePartition > has a breakdown of the firmware partition structure that I know of so > far. As you can see from that page, the database rebuild flag is just > a part of the NVPARAMS section of the partition. There's lots of other > stuff in that section such as resume info, etc, so some of that may > change between boots too. I guess it's just a matter of trial and > error, there are only 3 bytes so it shouldn't take too long. > > > On 5/19/07, Jonathan Gordon <jdgordy_at_gmail.com> wrote: > > hey, > > OK, so the other e200 I have here does actually have a different OF > > from he 2 we know the locations of the byte to change. > > I've done the two dumps and used got the diff, but I cant remember > > what the previous diffs looked like so cant actually add it to the > > BL... did they all have 3 bytes changed? > > > > So, first the diff of the relevant part of the dumps... > > --- rbdump.txt 2007-05-20 00:37:17.000000000 +1000 > > +++ usbconnection.txt 2007-05-20 00:35:38.000000000 +1000 > > _at__at_ -317010,11 +316990,8 _at__at_ > > 007839c0 14 00 00 00 ec 37 00 00 05 00 00 00 00 00 00 00 |.....7..........| > > 007839d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > > 007839e0 00 00 00 00 00 00 00 00 00 00 00 00 13 00 00 00 |................| > > -007839f0 14 00 00 00 1c 38 00 00 05 00 00 00 00 00 00 00 |.....8..........| > > +007839f0 14 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > > 00783a00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > > -00783a10 00 00 00 00 00 00 00 00 00 00 00 00 13 00 00 00 |................| > > -00783a20 14 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > > -00783a30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > > * > > 00800000 19 37 46 93 d1 a9 c3 2d c3 87 d0 a6 2d 99 0e ac |.7F....-....-...| > > 00800010 ab a1 55 0f e8 86 09 9e b7 95 e1 c0 c2 32 68 68 |..U..........2hh| > > > > The OF version string: PP5022AF-05.51-S301-00.12-S301.00.12A-D > > > > and attached is the updated bootloader to handle adding new OF's more > > easily. (also a change to e200-buttons.c to get buttons working in the > > BL again, although, enabling the interupts would be better probbaly?) > > > > I'm going to bed, have fun at devcon :) > > > > > Received on 2007-05-20 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |