Calypso BTS (C140) and Osmo BTS

Mirko Kovacevic northmirko at gmail.com
Tue Feb 23 09:07:33 UTC 2016


Hi, Вадим, Tomi thank you for your answers.

I suspected toolchain from early beginning because two years ago I managed
to make things work.
I primarily followed procedure from  this link
http://bb.osmocom.org/trac/wiki/Tutorials/CalypsoBTS.

When I do steps with OsmoBTS:

*git clone git://git.osmocom.org/osmo-bts.git
<http://git.osmocom.org/osmo-bts.git> *

*cd osmo-bts
autoreconf -i
./configure --enable-trx
make
sudo make install*

Then I can't use *osmo-bts.cfg* in this form:

*bts 0
 band DCS1800
 ipa unit-id 1801 0
 oml remote-ip 127.0.0.1
 rtp jitter-buffer 0
 paging queue-size 200
 paging lifetime 0
 fn-advance 30
 ms-power-loop -60
 timing-advance-loop
 settsc
 setbsic
 trx 0
  rxgain 0
  power 0
  slotmask 1 0 0 0 0 0 0 0*

specified from mentioned URL.

Also new OsmoBTS binary is not called *osmobts-trx, *but *osmo-bts-trx* and
expect to use new kind of *osmo-bts.cfg* format.


*Maybe I should checkout some other branch from *


*git clone git://git.osmocom.org/osmo-bts.git
<http://git.osmocom.org/osmo-bts.git>  ?*


*Поздрав,Мирко К.*





On Tue, Feb 23, 2016 at 8:32 AM, Вадим Яницкий <axilirator at gmail.com> wrote:

> Hi!
>
>
>> Can we still use osmocomBB phones (C140,C139..) with Osmo-BTS project?
>
>
> Yes.
>
> I use transceiver  program from *jolly/testing* branch and
>> firmware in compal_86 ( trx.highram.bin ) from  *sylvian/testing* branch,
>> all from osmocomBB.
>>
>>
> Stop doing this mix. The firmware from one branch you use incompatible
> with host software form another. Use one branch only!
> It looks like you have a new toolchain "gnu-arm-build.3.sh". The firmware
> images from this branches works better if it's compiled with older
> toolchain version.
> Try to use
> http://bb.osmocom.org/trac/attachment/wiki/GnuArmToolchain/gnu-arm-build.2.sh
> or https://github.com/axilirator/gnu-arm-installer.
>
> I know that Calypso BTS support only one timeslot.
>>
>>
> Using two phones you will be able to serve two timeslots.
>
> Follow this guide I recently wrote:
> http://bb.osmocom.org/trac/wiki/Tutorials/CalypsoBTS
> http://openbsc.osmocom.org/trac/wiki/SDR_OsmoTRX_network_from_scratch is
> outdated.
>
> С наилучшими пожеланиями,
> Яницкий Вадим.
>



-- 

*Puno pozdrava,Mirko Kovacevic*
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