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Lukas Kuzmiak lukash at backstep.netHey, If I'm not mistaken pl2303 based cables have/had problems handling baudrates above 115200, there was a recent update into the kernel tree, but I've never tested it. If you have FTDI based cable try it out, i have one based on FT4232 and it works flawlessly, pl2303 cable gave me a lot of trouble before. You can still run osmocom-bb on 115200 cable but I believe it's not going to be sufficient for sniffing and i think you'll need to patch the code a bit for 115200 to work (perhaps someone from osmocom can guide here?). Cheers, Lukas On Mon, Aug 29, 2011 at 1:09 AM, smithmr103 at gmail.com <smithmr103 at gmail.com>wrote: > Hello list, > > I'm newbee so excuse me for my very basic question. > I follow all the instructions on srlabs.de/gprs given by Karsten > > I have a C123 and a USB / jack 2.5mm - pl2303 based :( > > All steps are fine until I try to programm the compal ram ;) > > ./host/osmocon/osmocon -m c123xor -p /dev/ttyUSB0 > ./target/firmware/board/compal_e88/layer1.compalram.bin > > I get : > > ... > > PROMPT1... > ... > PROMPT2... > handle_write(): xxxx bytes (xxxx/yyyy) > ... > ... > handle_write(): xxxx bytes (xxxx/yyyy) > Received 1 byte : xx > Received 1 bytes : yy > ... > ... > Finally I received e.r.r.o.r (byte by byte) > NOT ACK RECEIVED... > > I can also get (not with the same firmware...) : > > ... > PROMPT1... > ... > PROMPT2... > handle_write(): xxxx bytes (xxxx/yyyy) > ... > ... > handle_write(): finished > > and then... nothing... > > I'm going to test the cable, as Philipp has told to Pavel. > I also bought a RS232 / Jack unlocking Motorola (C123) cable and I own a > BlackBox FTDI based USB/RS232 cable... So I'll test it as soon as I > receive the cable. > > Do you think is a matter of cable, who is supposed to be osmocom > compatible, or a phone issue or even the USB port... ? > > Thank you very much for your help and excuse me again with this kind of > 'stupid' question about cable. > I read almost all the subjects, I did a lot of experimentations in a lot > of git branch (master, testing, burst_ind - of course not working with > PL2303 ... + d1cb8ea9b784c7acbafbb2fdcedbdf4655c2f6f5 not working too) > > I think it must work at least in the master branch... > > Smith > > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20110829/df2f30da/attachment.htm>