Rockbox Development > New Ports
Sandisk Sansa View
mr_dude:
--- Quote from: zivan56 on February 01, 2008, 01:44:49 AM ---I am not sure what you mean. I am trying to modify an mi4 file and verify that the bootloader can load it on a View. I don't have a View, but I would like to see some progress made...
--- End quote ---
what changes have you made?
I've taken the 5 updating files and exchanged the one you posted with firmware.mi4, also changing final.mi4 to firmware.mi4.
put them on the device like normal update
Disconnected from USB
device tried to update resulting in "invalid image. object loading failed while bootin(yes, it was bootin, not booting) please connect USB cable"
I connected and reflashed it with the original 01.02.09a, no problem with the device.
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zivan56:
Just some strings, but with a different mi4 header. Mi4code seems to crash when doing a verify on the file, so I am pretty much out of ideas.
crackmonkey421:
a while back I stuck the rockbox boot loader mi4 for the e200 on my view. It actually got farther than it did with the modified firmwares. It accepted the firmware, flashed my device, and rebooted. Then my screen said "SanDisk Sansa" and then the LCD slowly went purple. I reverted back to the stock firmware and everything is back to normal now. With the modified firmwares I get the usual invalid image errors (though the unmodified unencrypted then re-encrypted firmware works). Just thought I'd share.
zivan56:
Interesting, so it must accept the files that exploit the verification check on the e200. Did any of the button lights turn on/off when the wrong file was accepted?
This means the next step is to disassemble the firmware and see what GPIO controls the LEDs on the controls. If we are lucky, the NVidia chip is just an evolution of the PP5024 with an extra video chip.
Did Mr.X have a look at the firmware?
BlakeJohnson86:
Alright guys, I just got a Sansa View, and I'm willing to do whatever it takes to help port Rockbox to the Sansa View, even if that means bricking my player beyond repair.
Unfortunately, I can't code, so I'm not much help in that area.
I did modify the SansaView wiki page, and added some `lsusb -v` output attachments.
EDIT: Corrected some of my wording which was a bit messed up.
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