osmocom
/
libosmocore
mirror of https://gerrit.osmocom.org/libosmocore
11
0
Fork 0
Code Issues Releases Wiki Activity

rsl: make rsl_dec_chan_nr() more readable, use RSL_CHAN_NR_MASK 

Change-Id: I1650e3b02e79461e42499268fa8ed30bff667489
This commit is contained in:
Vadim Yanitskiy 2021-05-26 20:23:46 +02:00
parent 15596899a3
commit 57850ae188
1 changed files with 23 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
src/gsm/rsl.c
View File

@ -187,38 +187,30 @@ int rsl_dec_chan_nr(uint8_t chan_nr, uint8_t *type, uint8_t *subch, uint8_t *tim
{
*timeslot = chan_nr & 0x7;
if ((chan_nr & 0xf8) == RSL_CHAN_Bm_ACCHs) {
*type = RSL_CHAN_Bm_ACCHs;
switch (chan_nr & RSL_CHAN_NR_MASK) {
case RSL_CHAN_Bm_ACCHs:
case RSL_CHAN_BCCH:
case RSL_CHAN_RACH:
case RSL_CHAN_PCH_AGCH:
case RSL_CHAN_OSMO_PDCH:
case RSL_CHAN_OSMO_CBCH4:
case RSL_CHAN_OSMO_CBCH8:
*type = chan_nr & RSL_CHAN_NR_MASK;
*subch = 0;
} else if ((chan_nr & 0xf0) == RSL_CHAN_Lm_ACCHs) {
*type = RSL_CHAN_Lm_ACCHs;
*subch = (chan_nr >> 3) & 0x1;
} else if ((chan_nr & 0xe0) == RSL_CHAN_SDCCH4_ACCH) {
*type = RSL_CHAN_SDCCH4_ACCH;
*subch = (chan_nr >> 3) & 0x3;
} else if ((chan_nr & 0xc0) == RSL_CHAN_SDCCH8_ACCH) {
*type = RSL_CHAN_SDCCH8_ACCH;
*subch = (chan_nr >> 3) & 0x7;
} else if ((chan_nr & 0xf8) == RSL_CHAN_BCCH) {
*type = RSL_CHAN_BCCH;
*subch = 0;
} else if ((chan_nr & 0xf8) == RSL_CHAN_RACH) {
*type = RSL_CHAN_RACH;
*subch = 0;
} else if ((chan_nr & 0xf8) == RSL_CHAN_PCH_AGCH) {
*type = RSL_CHAN_PCH_AGCH;
*subch = 0;
} else if ((chan_nr & 0xf8) == RSL_CHAN_OSMO_PDCH) {
*type = RSL_CHAN_OSMO_PDCH;
*subch = 0;
} else if ((chan_nr & 0xf8) == RSL_CHAN_OSMO_CBCH4) {
*type = RSL_CHAN_OSMO_CBCH4;
*subch = 0;
} else if ((chan_nr & 0xf8) == RSL_CHAN_OSMO_CBCH8) {
*type = RSL_CHAN_OSMO_CBCH8;
*subch = 0;
} else
return -EINVAL;
break;
default:
if ((chan_nr & 0xf0) == RSL_CHAN_Lm_ACCHs) {
*type = RSL_CHAN_Lm_ACCHs;
*subch = (chan_nr >> 3) & 0x1;
} else if ((chan_nr & 0xe0) == RSL_CHAN_SDCCH4_ACCH) {
*type = RSL_CHAN_SDCCH4_ACCH;
*subch = (chan_nr >> 3) & 0x3;
} else if ((chan_nr & 0xc0) == RSL_CHAN_SDCCH8_ACCH) {
*type = RSL_CHAN_SDCCH8_ACCH;
*subch = (chan_nr >> 3) & 0x7;
} else
return -EINVAL;
}
return 0;
}