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Author SHA1 Message Date
Sylvain Munaut 7cc8a7b806 contrib/e1-prbs-test: Delay the TX pipe fill data until first RX 
There is non negligible time between the moment init_timeslot is
called and the moment when we get the first RX (which is when
we start sending out data at the same rate we RX it). And those
1024 byte were borderline not enough to not underflow.

By delaying the 1024 byte pre-fill until we get the first RX,
we ensure the time that pre-fill covers is more consistant and
less dependend on whatever the app/scheduling does during the
init phase.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: Ic1c93fd138073a75830dc16bb41c4541e68eef90
 2022-01-09 15:09:11 +01:00
Harald Welte a82fe56aea e1d-prbs-test: Initialize libosmocore logging 
Fixes the following crash when libosmo-e1d wants to log something:

ERROR: osmo_log_info == NULL! You must call log_init() before using logging in log_check_level()!
Assert failed osmo_log_info logging.c:299
backtrace() returned 13 addresses
/usr/local/lib/libosmocore.so.17(osmo_generate_backtrace+0x1c) [0x7ff4ed29d6cf]
/usr/local/lib/libosmocore.so.17(+0x263c7) [0x7ff4ed29d3c7]
/usr/local/lib/libosmocore.so.17(osmo_panic+0xe0) [0x7ff4ed29d4ac]
/usr/local/lib/libosmocore.so.17(assert_loginfo+0x74) [0x7ff4ed298f57]
/usr/local/lib/libosmocore.so.17(log_check_level+0x1e) [0x7ff4ed29b091]
/usr/local/lib/libosmo-e1d.so.1(osmo_e1dp_send+0xf2) [0x7ff4ed2727a2]
/usr/local/lib/libosmo-e1d.so.1(+0x19d4) [0x7ff4ed2729d4]
/usr/local/lib/libosmo-e1d.so.1(+0x1c37) [0x7ff4ed272c37]
/usr/local/lib/libosmo-e1d.so.1(osmo_e1dp_client_ts_open+0x1d) [0x7ff4ed2730ed]
./e1-prbs-test(+0x1841) [0x55e00daeb841]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7ff4ed0a60b3]
./e1-prbs-test(+0x192e) [0x55e00daeb92e]
Aborted

Change-Id: Ia305b008711c15383c84f7cf2acedd20b568ef8a
 2021-04-04 11:16:58 +02:00
Harald Welte e542b30f44 Use OSMO_FD_* instead of deprecated BSC_FD_* 
Change-Id: I7d0972705e898fd75cda3e92104c67c56ec166d5
 2020-10-18 22:36:34 +02:00
Harald Welte ead2e020f0 e1-prbs-test: Add support for osmo-e1d 
This allows e1-prbs-test to not only use DAHDI devices, but also
osmo-e1d supported devices

Change-Id: I0e88f2b056db931b0e442567efa9a8d270abb9f2
 2020-09-11 13:04:21 +02:00
Harald Welte d4e9f2ef93 e1-prbs-test: Add initial code for checking ICE40-E1 traces 
The idea of this code is to check captures made by ICE40 against
the known transmitted per-timeslots PRBS sequences.

Change-Id: I084a9737c9e051dcadf971e39e32f10f89aecfbd
 2020-01-06 17:37:07 +01:00
Harald Welte eb995b4a7e contrib: add e1-prbs-test 
e1-prbs-test is a small utility that can be used to do PRBS testing
on E1/T1 lines using DAHDI cards.  A transmiter and receiver are
exchanging timeslot-specific PRBS sequences.

Change-Id: Ib25d266e61e0d70919cc4e65d5b1bf0bc9ec7d00
 2020-01-06 17:37:07 +01:00