CalypsoBTS no sync, ms hang
antgorka at gmail.com
Fri May 5 20:35:54 UTC 2017
Sorry for the previous question.
I found that the solution is simple. The bug described here
isn't fixed in branch jolly/testing I am using for calypsoBTS.
So all I needed is just implement the fix and recompile from sources.
2017-05-05 17:52 GMT+03:00 Anton Gorbachev <antgorka at gmail.com>:
> Dear colleagues,
> I am trying to setup CalypsoBTS with two c113 phones.
> Don't you know why can't I sync to any commercial cell with transceiver
> from branch jolly/testing?
> What I have:
> Motorola c113 and c113a, tried both.
> All other apps like, RSSI, mobile, ccch_scan works like a charm.
> What I am doing:
> Built jolly/testing according to maual
> Load firmware
> ./osmocon -r 99 -m c123xor -p /dev/ttyUSB0 -c ../../target/firmware/board/
> Found several strongest cells with RSSI and cell_log.
> Trying to sync:
> ./transceiver -a 50 -r 99 -e 1
> Here is the log:
> <000c> l1ctl.c:77 Tx Reset Req (1)
> <000c> l1ctl_link.c:171 Sending: '0d 00 00 00 01 00 00 00 '
> <0012> l1ctl.c:383 Reset received: Starting sync.
> <000c> l1ctl.c:95 Sync Req
> <000c> l1ctl_link.c:171 Sending: '01 00 00 00 00 32 00 64 27 10 03 20 03
> 07 00 00 00 '
> After that phone hangs, no reaction in osmocon on key pressures, holding
> on power off button...
> The last messages are:
> L1CTL_RESET_REQ: FULL!L1CTL_FBSB_REQ (arfcn=50, flags=0x7)
> Starting FCCH RecognitionFB0 (2515:4): TOA= 3552, Power= -64dBm, Angle=
> FB1 (2525:8): TOA= 8543, Power= -64dBm, Angle= 114Hz
> fn_offset=2523 (fn=2525 + attempt=8 + ntdma = 6)
> delay=8 (fn_offset=2523 + 11 - fn=2525 - 1
> scheduling next FB/SB detection task with delay 8
> =>FB @ FNR 2523 fn_offset=2523 qbits=3988
> LOST 3398!
> I tried different cells, maybe I need to wait some time to warm the
> crystal? But can it be so important?
> Kind regards,
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