baseband-devel

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2022 discussions

another compiling problem (beginner)
by screaming-pain＠libero.it 01 Apr '11

01 Apr '11

Hi all, Sorry for bothering with another compiling problem. I had the following error while compiling osmocom-bb: configure:3246: arm-elf-gcc -Os -ffunction-sections -I/home/loretta/osmocom- bb/src/target/firmware/include -nostartfiles -nodefaultlibs conftest.c >&5 conftest.c: In function `main': conftest.c:15: warning: initialization makes pointer from integer without a cast /home/loretta/install/gnuarm-3.4.3/bin/../lib/gcc/arm-elf/3.4.3/../../../.. /arm-elf/bin/ld: warning: cannot find entry symbol _start; defaulting to 00008000 /tmp/ccgIuxoW.o(.text.main+0x14): In function `main': : undefined reference to `fopen' /tmp/ccgIuxoW.o(.text.main+0x1c): In function `main': : undefined reference to `ferror' /tmp/ccgIuxoW.o(.text.main+0x30): In function `main': : undefined reference to `fclose' collect2: ld returned 1 exit status configure:3250: $? = 1 configure:3287: result: configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "libosmocore" | #define PACKAGE_TARNAME "libosmocore" | #define PACKAGE_VERSION "UNKNOWN" | #define PACKAGE_STRING "libosmocore UNKNOWN" | #define PACKAGE_BUGREPORT "openbsc-devel(a)lists.openbsc.org" | #define PACKAGE_URL "" | #define PACKAGE "libosmocore" | #define VERSION "UNKNOWN" | /* end confdefs.h. */ | #include <stdio.h> | int | main () | { | FILE *f = fopen ("conftest.out", "w"); | return ferror (f) || fclose (f) != 0; | | ; | return 0; | } after hours of trying to understand how to fix this, I figured out that without the option -nodefaultlibs everything run smoothly. Now, the problem is that I do not understand much of what is going on and I wonder, do I need that option and hence should look for a different way of fixing the problem? Thanks for your help, Loretta

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Re: AW: layer3 messages questions
by eisencah eisenach 01 Apr '11

01 Apr '11

Thanks. But it is also possible to have two layer 3 messages in the same LAPDm frame (one ending and one starting for example)? Cheers. --- On Fri, 4/1/11, Andreas.Eversberg <Andreas.Eversberg(a)versatel.de> wrote: From: Andreas.Eversberg <Andreas.Eversberg(a)versatel.de> Subject: AW: layer3 messages questions To: "eisencah eisenach" <wbg_1000(a)yahoo.com>, baseband-devel(a)lists.osmocom.org Date: Friday, April 1, 2011, 12:13 PM hi, > One question : are there any layer 3 messages that would span across multiple LAPDm frames? Or are they chosen such that this > never happens? example: in case you dial a long number, the complete L2 message may exceed 23 bytes. in this case the message is split into multiple messages. this is supported by osmocom/lapdm.

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layer3 messages questions
by eisencah eisenach 01 Apr '11

01 Apr '11

Hi everyone. One question : are there any layer 3 messages that would span across multiple LAPDm frames? Or are they chosen such that this never happens? Thanks, Mihai.

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AW: layer3 messages questions
by Andreas.Eversberg 01 Apr '11

01 Apr '11

hi, > One question : are there any layer 3 messages that would span across multiple LAPDm frames? Or are they chosen such that this > never happens? example: in case you dial a long number, the complete L2 message may exceed 23 bytes. in this case the message is split into multiple messages. this is supported by osmocom/lapdm.

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Airprob compiling error
by Marten Christophe 31 Mar '11

31 Mar '11

Hello All, while I'm configuring airprobe/gsm-receiver i'm getting error, plz help me ===== checking for libosmocore >= 0.1.13... Requested 'libosmocore >= 0.1.13' but version of Osmocom Core Library is UNKNOWN <<<<<< ===== configure: error: Library requirements (libosmocore >= 0.1.13) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them. <<<<<<<< ========= plz help me to tell how i can set PKG_CONFIG_PATH for libosmocore Kind Regards,

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How to build osmocon for the target?
by Dave Schmidt 30 Mar '11

30 Mar '11

Hello everyone! I'm trying to run osmocombb on Neo Freerunner. Read and hopefully understood http://bb.osmocom.org/trac/wiki/{CalypsoRomloader,osmocon,OpenMoko}. One thing I completely miss is how to build osmocon for the target phone to be able to run ./osmocon -i 13 -m romload -p /dev/ttySAC0 layer1.highram.bin In the source tree, osmocon is built only for the host, and I do not see any configuration options to enable it also for the phone... Thanks in advance, D.

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Funding from CELF to work on Osmocom integration
by Pierre Pronchery 29 Mar '11

29 Mar '11

Hi baseband-developers, I am looking for a freelance developer, preferably (provably) knowledgeable about the Osmocom project, to work together on a project potentially funded by CELF; the objective is to use Osmocom through a telephony GUI to make regular phone calls. I would like to use the "Phone" project from DeforaOS as the GUI, but feel free to mention if you are from a different project and want to step in. Some background information: CELF is otherwise known as the CE Linux Forum. It's supposed to merge with the Linux foundation eventually: http://www.linuxfoundation.org/news-media/announcements/2010/10/linux-found… What brings me here is their "CELF Open Project Proposal 2011": http://elinux.org/CELF_Open_Project_Proposal_2011 « The CELF Open Project Proposal is a process whereby members of the public can submit to the CE Linux Forum ideas and proposals for projects that they think should be worked on to enhance embedded Linux » FWIW, it was mentioned in the Openmoko Community Updates for February 2011: http://wiki.openmoko.org/wiki/Community_Updates/2011-02-01#General_News This is how I got to know about it right before the deadline, and had to rush to submit my current project idea, which is to integrate Osmocom with a Linux-based telephony GUI: http://elinux.org/Add_Osmocore_support_to_the_DeforaOS_Phone_GSM_stack About Osmocom: http://bb.osmocom.org/trac/ « OsmocomBB is an Free Software / Open Source GSM Baseband software implementation » The submission was accepted, and I am now required to send a bid for the project. Needs to be estimated: - how much time would be needed (and availabilities), - how much money would be needed, - which issues can be anticipated. I will also welcome suggestions as to which hardware to use for this task. Technically, the proposal is about integrating Osmocom with a Linux-based smartphone environment, so I'm not speaking about improving the LCD support for feature phones. Something like the Openmoko Freerunner is closer to what I have in mind, which is also what I'm currently using (and as you may know, it has a Calypso-based GSM baseband, which is supported by Osmocom already). Before I conclude, let me mention that I want definite answers about people who will be serious about this. Feel free to forward this message to anyone else whom you know and should also participate to this project. My current estimation is that three to four weeks should be sufficient for two people to: - expose and glue a more "UI-developer-friendly" API, probably closer to the Telnet interface (see layer23/src/mobile/vty_interface.c) - make sure everything is as reliable as possible (eg baseband initialization...) - likewise, make sure the GUI and Osmocom are integrated correctly - test, test, test. HTH, -- khorben

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Forward of moderated message
by osmocom-announce-bounces＠lists.osmocom.org 28 Mar '11

28 Mar '11

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Does the jolly/bts tree work?
by cbalke＠charter.net 28 Mar '11

28 Mar '11

I got two phones working with osmocom-bb. I compiled jolly/bts and it runs with two phones. I also compiled openbsc and connected the bts application to it. The problem is that timer T200 expires. I also get TX TCH/F errors before the timer expires on the bts application side. I am not sure if this is because of a configuration error on my part, or if the code was never completed enough to link a phone to it. I have tried using the default nanobts configuration file, but it does not work. If it isn't completed yet, what needs to be done? Is there anything that needs to be changed in the default nanobts configuration file? Just so you know, The reason why my email display name is not here, is because I am using backtrack linux and webmail to post this. Thank you for taking the time to help me, Calvin E. Balke

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[ADM] New commitlog mailing list
by Harald Welte 27 Mar '11

27 Mar '11

Hi all! We haven't had a functioning commit log mailinglist since mid-2009, when the revision control system of openbsc was converted from svn to git. Especially today, with the large number of separate git repositories on http://cgit.osmocom.org/, it is very easy to loose track of what other developers are doing. The new mailing list 'osmocom-commitlog' (renamed from openbsc-commits) will receive updates from all repositories on git.osmocom.org. Feel free to subscribe at http://lists.osmocom.org/mailman/listinfo/osmocom-commitlog Cheers, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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