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Hopsing K hopsingk at gmail.comMaybe 0x0 is a hardware processed escape sequence. In that case you'd have to find the sequence that escapes the escape. Just a idea. -- K 2010/3/21 Harald Welte <laforge at gnumonks.org> > Just another intermediate update: > > 1) I've pushed my current debugging code to the uart-debug branch > > Simply run osmocon + layer23 and the hello_world.bin image. layer23 > will send a 62 byte sized HLDC message every 10 seconds to the phone, > and various instances of the code will print what they see. The > payload of the packet is supposed to be > 0a 00 00 01 02 03 04 05 06 07 00 01 02 03 04 05 06 07 > 00 01 02 03 04 05 06 07 00 01 02 03 04 05 06 07 > 00 01 02 03 04 05 06 07 00 01 02 03 04 05 06 07 > 00 01 02 03 04 05 06 07 00 01 02 03 04 05 > > but what the firmware sees is: > 0a 00 02 03 04 05 06 07 02 03 04 05 06 07 > 02 03 04 05 06 07 02 03 04 05 06 07 > 02 03 04 05 06 07 02 03 04 05 06 07 > 02 03 04 05 06 07 02 03 04 05 > > So as you can see, every '00 01' sequence has been chopped out, > despite 10ms delays between the characters. If you change the > payload to not include zero-bytes, all bytes are received fine. > > 2) Enabling various misc UART interrupt sources and checking for error > conditions in LSR does not help > > Regards, > Harald > -- > - Harald Welte <laforge at gnumonks.org> > http://laforge.gnumonks.org/ > > ============================================================================ > "Privacy in residential applications is a desirable marketing option." > (ETSI EN 300 175-7 Ch. A6) > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20100325/7096b1bc/attachment.htm>