baseband-devel February 2013

baseband-devel@lists.osmocom.org

32 participants
38 discussions

status report layer1 and layer23
by Andreas.Eversberg 11 Apr '13

11 Apr '13

hi, i just fixed some locking issues the last days. fix will follow. it took a bit longer, because there were some race conditions. it took up to about one hour until it crashed. my way to detect the area where the crash happened, was to turn on buzzer before that area, and turn it off after that area. after many hours of approximation, i finally found out that the major crash happend during _talloc_zero. (first it looks for a free memory chunk, then it allocates it.) since it can be called from all contexts (main, irq, fiq), it need to be locked against any interrupt, otherwise the memory chunk can be assigned multiple times. (the process of _talloc_free is "atomic" and requires no locking.) because it seems pretty stable, i think it is time to merge some branches into the master. (i made a 6 hours call yesterday. and no crash after bugfix ever since.) i will do that together with sylvain, if we find the time this weekend. currently i use the jolly/voice together with the sylvain/traffic branch. i am able to use an isdn phone togehter with linux-call-router and make/receive calls. audio is passed both ways. i think this is a stage where it actually become "usable". (if not moving arround.) one of my major work for the next weeks/months will be the neighbour cell measurement, cell re-selection, and handover. this is essential when moving with the phone. regards, andreas

2 1

Error: no such instruction: `eor %edx,%ecx,%ecx,ror'
by Arslan Anjum 03 Mar '13

03 Mar '13

Hello All, I can't compile after the last pull. I know that it is an error with toolchain detection but I have tried almost everything. ------------------------------- As you can see the $PATH variable has the address to gnu-arm-elf binary : arslan@arslan-Lenovo-B575:~/osmocom-bb/src$ echo $PATH /home/arslan/arm-elf/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games ------------------------------- and when I list the items in that directory I can clearly see that the binary is there : arslan@arslan-Lenovo-B575:~/arm-elf/bin$ ls arm-elf-addr2line arm-elf-cpp arm-elf-ld arm-elf-size arm-elf-ar arm-elf-g++ arm-elf-nm arm-elf-strings arm-elf-as arm-elf-gcc arm-elf-objcopy arm-elf-strip arm-elf-c++ arm-elf-gcc-4.0.4 arm-elf-objdump arm-elf-cc arm-elf-gccbug arm-elf-ranlib arm-elf-c++filt arm-elf-gcov arm-elf-readelf ------------------------------- But I still get the following error: /home/arslan/osmocom-bb/src/target/firmware/include/asm/swab.h: Assembler messages: /home/arslan/osmocom-bb/src/target/firmware/include/asm/swab.h:32: Error: no such instruction: `eor %edx,%ecx,%ecx,ror' make[4]: *** [gsmtap_util.lo] Error 1 make[4]: Leaving directory `/home/arslan/osmocom-bb/src/shared/libosmocore/build-target/src' make[3]: *** [all] Error 2 make[3]: Leaving directory `/home/arslan/osmocom-bb/src/shared/libosmocore/build-target/src' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/home/arslan/osmocom-bb/src/shared/libosmocore/build-target' make[1]: *** [all] Error 2 make[1]: Leaving directory `/home/arslan/osmocom-bb/src/shared/libosmocore/build-target' make: *** [shared/libosmocore/build-target/src/.libs/libosmocore.a] Error 2 Regards, Arslan Anjum Research Assitant Lahore University of Management Sciences, Pakistan

2 4

Decoding AMR
by Akib Sayyed 02 Mar '13

02 Mar '13

Dear Sylvain While Decoding AMR do need to just decode and pack it into raw amr frames or we need to think about hysterasis and all parts also also there are total 8 codec modes but in band data have details of on 4 codec modes which one to choose out of 8 codec modes from those 8 modes. -- Akib Sayyed Matrix-Shell akibsayyed(a)gmail.com akibsayyed(a)matrixshell.com Mob:- +91-966-514-2243

2 4

trouble loading trx-firmware
by Erich Dachleger 01 Mar '13

01 Mar '13

Hi list, I am trying, with no success so far ,to chain-load the trx-firmware on my c118 with usb-serial-cable.: ------output----- ./osmocon -p /dev/ttyUSB0 -m c123xor -c ../ ../target/firmware/board/compal_e88/trx.compalram.bin ../ ../target/firmware/board/compal_e88/chainload.highram.bin got 2 bytes from modem, data looks like: 04 81 .. got 5 bytes from modem, data looks like: 1b f6 02 00 41 ....A got 1 bytes from modem, data looks like: 01 . got 1 bytes from modem, data looks like: 40 @ Received PROMPT1 from phone, responding with CMD opening file: No such file or directory ------------------------------------ I also tried switching highram-compalram: ./osmocon -p /dev/ttyUSB0 -m c123xor -c ../ ../target/firmware/board/compal_e88/trx.highram.bin ../ ../target/firmware/board/compal_e88/chainload.compalram.bin And also ./osmocon -p /dev/ttyUSB0 -m c123xor -c target/firmware/board/compal_e88/trx.compalram.bin target/firmware/board/compal_e88/chainload.highram.bin but got same errors. I used the script in the wiki for building the toolchain prior to building the code. ---------------------------------- Any ideas what might be wrong? Regards erich

4 4

Paging Attack 29C3
by choukoumoun 27 Feb '13

27 Feb '13

hello aliens of osmoland! I saw Nico Golde conference, he did a great job. but the code has not been shared?

2 1

[PATCH] Support of UCS2 for SMS/USSD
by Pavel Baturko 27 Feb '13

27 Feb '13

Hi list, Attached 3 patches for decoding UCS2 MT-SMS and incoming USSD. Main idea: convert UCS2 text to UTF-8, check if terminal supports UTF-8 and if yes - print, otherwise - print in hex, and notify VTY to check mobile log (since we can't send UTF text to VTY, if someone knows how to do it - please tell me). Waiting for comments. Thanks, Pavel

3 17

[ANNOUNCE] OsmoDevCon 2013-04-04 till 2013-04-07, Berlin
by Harald Welte 26 Feb '13

26 Feb '13

Dear fellow Osmcoom developers, it is my pleasure to finally announce the date + venue of OsmoDevCon 2013: Date: April 04 through April 07, 2013 Place: IN-Berlin, Lehrter Str. 53, Berlin Like last year, this is an event for developers of the various Osmocom proejects. Reservation and confirmation of reservation is required. The event is free of charge. The Room is made available by IN-Berlin e.V., an Internet related non-profit organization. Lunch catering will be sponsored (so far by sysmocom GmbH, but if any other sponsors come up, we are happy to share the cost). So all you have to cover is your own travel + accomodation costs, as well as breakfast and dinner. If you are an active developer and cannot afford travel/accomodation, please let me know and I'll see if we can do something about it. If you would like to attend, please send a message to laforge(a)gnumonks.org applying for registration of the event. The registration deadline is March 5, i.e. one week from now. There is no detailed schedule of talks yet. I will start a separate discussion suggesting / collecting topics in the next couple of days. More information is (and will be made) available at http://openbsc.osmocom.org/trac/wiki/OsmoDevCon2013 Further discussion regarding the event should be directed at the osmocom-event-orga(a)lists.osmocom.org mailing list, to avoid cross-posting over the various project-specific lists. Best regards and happy hacking, 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)

1 0

Osmocom Transceiver (was: Osmovom-BB on Raspberry Pi)
by Dario Lombardo 25 Feb '13

25 Feb '13

Hi, I'm having a try with your software. A small suggestion I can give you is about the chapter "Starting OpenBTS" of your howto: a better way to host the transceiver script is to create a new dir under the openbts root (lets call it TransceiverOSMOCOM) that hosts your script. Then to create a link in the apps dir that point to the new transceiver, to follow the model openbts uses. This allows the user to switch between many hardware pieces using the same openbts installation (if compilation flags apply), avoiding to overwrite your script if openbts compilation instructions are literally followed. Just my 2 cents. Dario. On Sun, Feb 24, 2013 at 3:33 PM, Sylvain Munaut <246tnt(a)gmail.com> wrote: >> PS: Any news on the "emulated BTS" that has been presented at last years chaos communication congress? > > http://bb.osmocom.org/trac/wiki/Software/Transceiver > > Cheers, > > Sylvain >

3 15

trouble while using sony erricson J100i
by Shahzeb - 25 Feb '13

25 Feb '13

hi all i cant understand where i am wrong when i run this command this is the response which i get root@shahzeb-laptop:~/Desktop/toolchain/osmocom-bb/src/host/osmocon# ./osmocon -p /dev/ttyUSB0 -m c140xor -c ../../target/firmware/board/se_j100/layer1.highram.bin got 1 bytes from modem, data looks like: 00 . and then it gets hanged and nothing happens. i have checked the cable aswell it seems like cable is working i have consulted J100i_cable.pdf for the data cable. i would really appreciate your help thanks shahzeb

1 0

Anyone interested in broken C118s?
by Holger Hans Peter Freyther 24 Feb '13

24 Feb '13

Hi, I have about 8 broken C118 and wonder if someone would be interested to save them from the recycling system. The defects vary but in some cases it is a broken buzzer, issues with the SIM card holder, missing or broken audio socket. This will just be the phone, no battery, no charger. I would like to get rid of them in batches of two. Is anyone interested? The postage should be paid by the receiver. cheers holger

1 0

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baseband-devel February 2013