diff options
| author | Harald Welte <laforge@gnumonks.org> | 2011-03-04 14:05:20 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2011-03-04 14:05:20 +0100 |
| commit | 4b45ae1636990a15934f77f37033cf8ed5804b57 (patch) | |
| tree | 892d687a5c689fdb7813a3f94dd9a0926d80b892 /src/common/support.c | |
Import all C and Header files from jolly/bts branch of osmocom-bb.git
The BTS code shall reside in a separate git repository, thus I'm
importing the C and H files here.
Diffstat (limited to 'src/common/support.c')
| -rw-r--r-- | src/common/support.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/common/support.c b/src/common/support.c new file mode 100644 index 00000000..1bee3e12 --- /dev/null +++ b/src/common/support.c @@ -0,0 +1,83 @@ +/* (C) 2011 by Andreas Eversberg <jolly@eversberg.eu> + * + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include <sys/types.h> +#include <string.h> +#include <osmocom/bb/common/osmocom_data.h> +#include <osmocom/bb/bts/support.h> +#include <osmocore/protocol/gsm_12_21.h> + +struct bts_support bts_support; + +void bts_support_init(void) +{ + struct bts_support *sup = &bts_support; + int i; + + memset(sup, 0, sizeof(*sup)); + + /* crypto supprot */ + sup->a5_1 = 0; + sup->a5_2 = 0; + sup->a5_3 = 0; + sup->a5_4 = 0; + sup->a5_5 = 0; + sup->a5_6 = 0; + sup->a5_7 = 0; + /* set supported frequencies */ + for(i = 1; i <= 124; i++) // P-GSM + sup->freq_map[i >> 3] |= (1 << (i & 7)); + for(i = 512; i <= 885; i++) // DCS + sup->freq_map[i >> 3] |= (1 << (i & 7)); + for(i = 975; i <= 1023; i++) // E-GSM extension + sup->freq_map[i >> 3] |= (1 << (i & 7)); + sup->freq_map[0] |= 1; // channel 0 + for(i = 955; i <= 974; i++) // R-GSM extension + sup->freq_map[i >> 3] |= (1 << (i & 7)); + /* channel combinations */ + sup->chan_comb[NM_CHANC_mainBCCH] = 1; + sup->chan_comb[NM_CHANC_BCCHComb] = 1; + sup->chan_comb[NM_CHANC_SDCCH] = 1; + sup->chan_comb[NM_CHANC_TCHFull] = 1; + sup->chan_comb[NM_CHANC_TCHHalf] = 1; + /* codec */ + sup->full_v1 = 1; + sup->full_v2 = 1; + sup->full_v3 = 1; + sup->half_v1 = 1; + sup->half_v3 = 1; +} + +char *bts_support_comb_name(uint8_t chan_comb) +{ + if (chan_comb == NM_CHANC_mainBCCH) + return("BCCH"); + if (chan_comb == NM_CHANC_BCCHComb) + return("BCCH+SDCCH/4"); + if (chan_comb == NM_CHANC_SDCCH) + return("SDCCH/8"); + if (chan_comb == NM_CHANC_TCHFull) + return("TCH/F"); + if (chan_comb == NM_CHANC_TCHHalf) + return("TCH/H"); + return "Unknown"; +} + + |