Rockbox Development > New Ports
Sandisk Sansa e200R
Bagder:
1) we don't know where the BL is stored in the R models
2) running a vanilla bootloader in an R model (if you manage to do it) wouldn't do any harm to the player (and in fact we could very likely even handicraft a rockbox (bootloader?) image to get loaded and started on an R model using e200tool this way)
What could cause harm to your player, however, is if you manage to start the vanilla BL in your R model using e200tool, and then you use that vanilla BL and *upgrade* the BL or even the mi4 image, as the vanilla and R models (most likely) don't store the images at the same place/way.
zajacattack:
OK, great idea! Would it be possible to patch the BL used in the vanilla build of rockbox onto the player and upload rockbox and the vanilla firmware? Then, you would have an R series with a patched BL, and the bootloader wouldn't mess up because the vanilla firmware would be on the player, right?
Bagder:
--- Quote from: zajacattack on July 29, 2007, 05:40:04 PM ---OK, great idea! Would it be possible to patch the BL used in the vanilla build of rockbox onto the player and upload rockbox and the vanilla firmware?
--- End quote ---
First, since we can't store anything on the R model, this have to be done with e200tool every time.
Then, I don't understand what patching of the vanilla BL you talk about but that's a plain raw binary image so you can patch it all you like.
--- Quote ---Then, you would have an R series with a patched BL, and the bootloader wouldn't mess up because the vanilla firmware would be on the player, right?
--- End quote ---
Hell no. You would have an R model that you can load code to with e200tool, just as I said. Nothing else. The code you load on your player can possibly be a vanilla BL or (a modified) Rockbox.
zajacattack:
OK, I have another idea. On the vanilla series it is possible to put the mi4 and BL rom in the player in recovery mode and it will write them to the player as long as they are the right name. We should be able to do the same on the R series if we can find the right filename for the BL rom so that the player accepts it (the mi4 is PP5022.mi4). Now, I have been able to decode the BL into hex and into text, but I need to know how to get the filename out of the text and/or hex. So, is there a way to do that?
Bagder:
Now you're getting annoying. We've been over this many times before.
The R model's software (BL and mi4) cannot upgrade the bootloader at all, and we know the right file name (.btl extension).
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