Rockbox Development > New Ports
SanDisk Sansa c200v2, m200v4, clipv1, clipv2, clip+, and fuzev2
funman:
Check the battery debug menu so you can give more info with your report
lazy:
i just fully charged it via OF
should i let it drain, then do the debug?
Xanikseo:
This is gonna sound trivial compared to bricked fuzes and bootloader-patched-fws not working, but the backlight doesn't fade in smoothly anymore on the fuzev2 :P. It kinda switches on, off and on again, without really fading in nicely. This has been going on for a few days I reckon... Sorry I didn't report this earlier
Vague Rant:
--- Quote from: lazy on June 01, 2010, 10:41:17 AM ---i just fully charged it via OF
should i let it drain, then do the debug?
--- End quote ---
As a general rule, it's probably most practical to debug any problems you're having while you're having them rather than after the event. Not saying this wouldn't provide any useful information, but would most likely have been more helpful during the issue.
mbr:
--- Quote ---
* Open a working OF file in an hex editor and swap 2 characters
* The characters must be distant of a multiple of 4 bytes, because the checksum is calculated as a sum of 32bits numbers
* For example swap a character at position N and position N+4, the firmware will be different but the checksum will be the same
* At position 0x38090 (outside the firmware block, in the "drmndt_pers" library block) there is the string "http://go.microsoft.com/fwlink/?LinkId=28745", make that be ":ttph//go.microsoft.com/fwlink/?LinkId=28745" (h and : swapped)
* Try to patch that OF, see if it works (I don't know how to display this string, it must be related to WMA drm)
* At position 0x216d9 (inside firmware block), there is the string "Hiphop", make that "oiphHp", see if the OF can be patched
--- End quote ---
I just bought a Sansa Fuze. It has the serial number BI 1004 CAHK - 8GB. It is not possible to install a patched 2.3.31 firmware with rockbox bootloader.
But I modified the 2.3.31 firmware with a hex editor (HipHop->oiphHp). The modified firmware installs without any problem.
[EDIT]
Additionally modified "http://" to ":ttph//". Update also flawless. It seems that at last the checksum didn't change.
[/EDIT]
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