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Max msuraev at sysmocom.deSee https://gerrit.osmocom.org/#/c/556/ - I've removed it and tested osmo-pcu: as expected gprs works just fine without it. So it got to be someplace else. On 07/21/2016 10:38 AM, Max wrote: > This code is not referenced anywhere. > > On 07/21/2016 08:50 AM, Harald Welte wrote: >> Hi Max, >> >> On Wed, Jul 20, 2016 at 06:50:24PM +0200, Max wrote: >> >>> Notice that while PDTCH is activated for both UL and DL, the PTCCH is >>> only activated for DL. >>> >>> As far as I've understood continuous TA procedure I've got to have PTCCH >>> activated in both directions. The problem is that I have troubles >>> locating the code which triggers the activation above. >> from osmo-bts/src/osmo-bts-sysmo/oml.c: >> >> static const struct sapi_dir pdtch_sapis[] = { >> { GsmL1_Sapi_Pdtch,»····GsmL1_Dir_TxDownlink }, >> { GsmL1_Sapi_Pdtch,»····GsmL1_Dir_RxUplink }, >> { GsmL1_Sapi_Ptcch,»····GsmL1_Dir_TxDownlink }, >> { GsmL1_Sapi_Prach,»····GsmL1_Dir_RxUplink }, >> #if 0 >> { GsmL1_Sapi_Ptcch,»····GsmL1_Dir_RxUplink }, >> { GsmL1_Sapi_Pacch,»····GsmL1_Dir_TxDownlink }, >> #endif >> >> I don't know exactly why it is commented out, probably because itw as >> simply not used at the time? >> -- Max Suraev <msuraev at sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Alt-Moabit 93 * 10559 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte