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osmocore: Add utility function rsl_chan_nr_str to RSL 

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2010-07-25 12:25:17 +02:00
parent 5e84a86937
commit 27af075e1e
2 changed files with 29 additions and 0 deletions
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3
include/osmocore/rsl.h
View File

@ -17,6 +17,9 @@ extern const struct tlv_definition rsl_att_tlvdef;
uint8_t rsl_enc_chan_nr(uint8_t type, uint8_t subch, uint8_t timeslot);
/* decode channel number as per Section 9.3.1 */
int rsl_dec_chan_nr(uint8_t chan_nr, uint8_t *type, uint8_t *subch, uint8_t *timeslot);
/* Turns channel number into a string */
const char *rsl_chan_nr_str(uint8_t chan_nr);
const char *rsl_err_name(uint8_t err);
const char *rsl_rlm_cause_name(uint8_t err);

26
src/rsl.c
View File

@ -183,6 +183,32 @@ int rsl_dec_chan_nr(uint8_t chan_nr, uint8_t *type, uint8_t *subch, uint8_t *tim
return 0;
}
const char *rsl_chan_nr_str(uint8_t chan_nr)
{
static char str[20];
int ts = chan_nr & 7;
uint8_t cbits = chan_nr >> 3;
if (cbits == 0x01)
sprintf(str, "TCH/F on TS%d", ts);
else if ((cbits & 0x1e) == 0x02)
sprintf(str, "TCH/H(%u) on TS%d", cbits & 0x01, ts);
else if ((cbits & 0x1c) == 0x04)
sprintf(str, "SDCCH/4(%u) on TS%d", cbits & 0x03, ts);
else if ((cbits & 0x18) == 0x08)
sprintf(str, "SDCCH/8(%u) on TS%d", cbits & 0x07, ts);
else if (cbits == 0x10)
sprintf(str, "BCCH on TS%d", ts);
else if (cbits == 0x11)
sprintf(str, "RACH on TS%d", ts);
else if (cbits == 0x12)
sprintf(str, "PCH/AGCH on TS%d", ts);
else
sprintf(str, "UNKNOWN on TS%d", ts);
return str;
}
static const struct value_string rsl_err_vals[] = {
{ RSL_ERR_RADIO_IF_FAIL, "Radio Interface Failure" },
{ RSL_ERR_RADIO_LINK_FAIL, "Radio Link Failure" },