Igor Stoppa wrote: > -serial console: > that can be obtained with some hacking by attaching a level shifter and > a serial connector to the serial pads exposed, it would be enough to > release schematic and layout (although i think there are already > unofficial howtos)
For 770 those pin are known, there is a schematics with pin descriptions. For N800 it is harder, there is also schematics on the net but those pins are sadly not documneted there. For N810 we even don't have schematics. Personaly I have tried it with clone of CA-42 cable http://www.dealextreme.com/details.dx/sku.446, there is PL-2302 usb to serial converter in the blue connector so in theory one could just cut nokia plug, attach rx,tx and gnd to 770 pads and connect it over USB. When I tried I had no output in terminal when booting (with r&d and serial console flags) so most probably I did something wrong or my plug made from pins and rubber had bad contact or the cable was faulty or whatever. I guess I'll try some soldering next time. > There are some bits that are quite trivial. I don't think anybody with > some programming experience would have problem at stitching together a > replacement for dsme & mce, given the functional specifications. The > state machines implemented are not so straightforward, but a simple > start to get going is probably not too difficult to obtain. brightness, watchdog kicking, ... all relatively easy, the hardest part is IMO /usr/lib/dsme/libcalmodule or /usr/lib/libcal.so, these modules implement access to config partition /dev/mtd1. There is some sort of filesystem which stores quite interesting and vital information. It can be reverse-engineered but I fear that trying to write there can be fatal if done wrong. Hopefully current work on qemu N800 emulation will allow us to play with it safely. > In the end I think what would be realistically possible - and i'm > already completely sure that many won't be satisfied and will complain - > is that Nokia provides one person whose sole task is to support the > community by mantaining the closed code and providing new binaries that > link against recent libraries. Yes, that's what I sugested here (end of mail, point 2) http://lists.maemo.org/pipermail/maemo-users/2008-April/010183.html for those who missed it (in maemo-users) whole thread relevant to this discussion is here http://www.gossamer-threads.com/lists/maemo/users/36150 Frantisek _______________________________________________ maemo-developers mailing list maemo-developers@maemo.org https://lists.maemo.org/mailman/listinfo/maemo-developers
