Dear List
I am trying to decode SDCCH.
but I am not able to do it properly.
Here is part of burst_ind app_ccch.c code.
if (rv == 0) { uint8_t chan_type, chan_ts, chan_ss; uint8_t gsmtap_chan_type; struct osmo_phsap_prim pp; /* Send to GSMTAP */ rsl_dec_chan_nr(bi->chan_nr, &chan_type, &chan_ss, &chan_ts); gsmtap_chan_type = chantype_rsl2gsmtap( chan_type, bi->flags & BI_FLG_SACCH ? 0x40 : 0x00 ); gsmtap_send(gsmtap_inst, arfcn, chan_ts, gsmtap_chan_type, chan_ss, ntohl(bi->frame_nr), bi->rx_level, bi->snr, l2, sizeof(l2) );
here l2 is 23 byte.
I need to remove send it to lapdm to decode it further then will pass it to RR.
Please help me in using Lapdm for decoding :)