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baymax Robo baymax254 at gmail.comHi, Thanks for replying back. I am not using virtualized environment. No success with minicom test. What exactly do you mean by jack is being plugged on the whole length, i didn't get it. On Thu, Jun 1, 2017 at 11:16 AM, Anton Gorbachev <antgorka at gmail.com> wrote: > Hi, > > Are you sure the jack is being plugged on the whole length? > Did you get success with minicom test? > I would recommend you to disassemble phone and check whether the jack > plugged an the whole length. > Do you use virtualized OS or normal? If virtualized, try to play with the > settings. > > KR, > Anton > > 2017-06-01 7:30 GMT+03:00 baymax Robo <baymax254 at gmail.com>: > >> Hi, >> >> I am trying to write osmocombb to Motorolla c118 phone by following the >> given [1] guide.I have successfully compiled firmware binaries but having >> issues while writing them to phone. >> >> I connected motorolla c118 via USB Serial To RS232 TTL to 2.5mm audio >> jack, using the given guide [2] >> >> When I run this command >> >> $ dmesg | grep tty >> >> I get the following output >> >> [ 0.000000] console [tty0] enabled >> [ 14.946936] usb 3-6: pl2303 converter now attached to ttyUSB0 >> [ 973.747957] pl2303 ttyUSB0: pl2303 converter now disconnected from >> ttyUSB0 >> [ 1484.595816] usb 3-6: pl2303 converter now attached to ttyUSB0 >> [ 1845.344494] pl2303 ttyUSB0: pl2303 converter now disconnected from >> ttyUSB0 >> [ 2643.566407] usb 3-6: pl2303 converter now attached to ttyUSB1 >> >> And on running this >> >> $ sudo cu -l /dev/ttyUSB1 -s 115200 >> >> I get a connected message but no further progress is done. When i press >> Power button briefly, no activity is shown. I have tried with two phones >> but no success on any. I have checked the connectivity between headphone >> jack and USB serial chip via voltmeter, it is fine as well. Also tried by >> doing Master reset on phone but no use. What can be issue and how can i fix >> it. ? >> >> Kindly ignore any mistakes, i am new to this domain, couldn't find much >> help on google as well :( >> >> [1] >> https://osmocom.org/projects/baseband/wiki/Software_Getting_Started >> https://osmocom.org/projects/baseband/wiki/Osmocon >> >> [2] >> http://www.linuxx.eu/2014/09/osmocombb-hardware-and-software-setup.html >> >> [2] >> >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20170601/1a925bf9/attachment.htm>