PDTCH and PTCCH activation

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Max msuraev at sysmocom.de
Thu Jul 21 08:38:23 UTC 2016


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/
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