Rockbox Development > New Ports
SanDisk Sansa c200v2, m200v4, clipv1, clipv2, clip+, and fuzev2
kugel.:
I did tests with ADC and was not successful.
funman:
--- Quote from: atomikpunk on November 20, 2008, 09:05:52 PM ---Any progress on the SD side?
--- End quote ---
I have working read/write using DMA in my tree.
But we still can't access data past 1GB on >1GB models :(
--
You mention offsets in the Fuze OF, but which firmware version exactly are you disassembling ?
EDIT:
I tried the DMA code in the bootloader, the FAT32 partition is read correctly, and the beginning of rockbox.sansa as well (since I can see the correct size and checksum on screen); but the calculated checksum is always wrong .. I couldn't figure what was wrong.
I pasted my current diff (with some plugin keymaps, too lazy to sort it from the DMA/SD code :P ) since I couldn't figure what was wrong.
Note that when using a bootloader from SVN and this code, plugins/rockbox/lang files load just fine..
atomikpunk:
Hi again,
daniel_at: thanks for the pics, I really clear things up in my mind. It seems to me the buttons are all linked to a single supply (GND or VCC) on one side, and all connected to independent connector pins on the other. As for the wheel, well that still to be looked upon, but I think it'll be easier to test using a custom firmware once we will have a "safety button" for the dual boot.
kugel: From what I see, it definitely isn't ADC and definitely is using DBOP (so a standard "logic" interface).
funman: I *think* it is v. 1.1.11 but I'll have a look tonight. It definitely is the first version we could get from bagder's site (if there are more, been a long time since I looked there...). If you have a bit of time, would you mind explaining how to use the current SVN, I got lost with the "new" bootloader and stuff and since you're not online anymore... :P
Keep up the good work everyone!
caladan:
The wheel could be a standard rotary encoder using some kind of magnetic relays..
atomikpunk:
After review, it is indeed the 1.1.11 fuze firmware revision that I have here.
Caladan, yes you are right and from the pics from Daniel, it looks like it :) I know some hall effect sensors have 4 pins and this is exactly the kind of sensor they could have used with a polarized wheel.
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