Gigabeat F firmware hacking information

[roolku]

Then what do the -a* switches do?

I have no idea, first read about it in your post.

And yes, I had it open in an editor, could that have caused the problem?

Yes, depending on the file open parameters (exclusive access) it is quite likely that there has been a sharing conflict.

[Mad Cow]

Read my edit, I tried without it open in an editor, it seems like it can find the files, but they're the wrong format or something.

[roolku]

Read my edit, I tried without it open in an editor, it seems like it can find the files, but they're the wrong format or something.

You call the bat file from inside the update directory, yes?

[Mad Cow]

Now it works, I had to put decrypt.bat into the update folder and add an extra "../" in the paths. For some reason I thought that you had to have the .bin files in the same dir as fwupdecrypt.exe.

Is it OK to have non-update files in the update folder?

EDIT: The BMP viewer utility keeps giving me a wrong format error when I try to replace an image, I tried both RGB555 and 24 bit through photoshop CS2. All I did was add a loading bar to the bootsplash.bmp found in the patches dir. I tried just adding one different coloured pixel to bootsplash.bmp and saving it, and it still doesn't work.

[Soaa-]

Same here with Photoshop CS2.  I'll try with the GIMP now.

Not working with the GIMP either.

[shoora]

Same here with Photoshop CS2.  I'll try with the GIMP now.

Not working with the GIMP either.

Try to load and save with M$ Paint from Windows. I've used Paint and Jasc PainShop Pro.
I was too lazy to implement bmp header parser. Just saved couple of headers to compare.
On weekends will, probably, do better parsing later together with internal decryption/encryption.

[Mad Cow]

Nope, Paint doesn't work, gives me the same error when I save as 24 bit bitmap.

[Soaa-]

Got GIMP to work, not sure how.

GIMP only worked for one image.  It spurts out incompatible images afterwards.

[shoora]

Got GIMP to work, not sure how.

GIMP only worked for one image.  It spurts out incompatible images afterwards.

Please check the latest version. Replay if you have any problems.

[Soaa-]

Seems okay 'til now.  Thanks a bunch!

[Mad Cow]

Now it's giving me an "Image dimensions must be the same" error, even with the included bootsplash.bmp. It works on the original image extracted from the firmware, but once again gives me an error after I modify just one pixel. I tried in paint and it does the same.

[Soaa-]

Same here, with Photoshop CS2.  GIMP images seem to work fine.

[shoora]

Now it's giving me an "Image dimensions must be the same" error, even with the included bootsplash.bmp. It works on the original image extracted from the firmware, but once again gives me an error after I modify just one pixel. I tried in paint and it does the same.

Did you use, so called, V3?
If yes, then can you send this file to me? So I can look what's wrong.

[Soaa-]

This here doesn't work.  Rename the extension to .bmp.

[Llorean]

I've removed your attachment. Please, DO NOT attach things by renaming them. If you feel a filetype should be allowed, contact me and make your case as to why it's necessary to Rockbox that this filetype be supported, and I can make the necessary changes.