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osmo-ttcn3-hacks
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BTS_Tests: implement optional frequency hopping support 

Change-Id: If0318fd320d4f112341465844555bf8d65b5f88f
Depends: I7822c3581fccba3277a63577e740e7486307635d
Related: SYS#4868, OS#4546
This commit is contained in:
Vadim Yanitskiy 2020-07-14 01:56:15 +07:00
parent 6c71c17fc5
commit a9894281ef
2 changed files with 58 additions and 0 deletions
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52
bts/BTS_Tests.ttcn
View File

@ -111,6 +111,10 @@ modulepar {
boolean mp_l1_supports_gprs := false;
/* how many transceivers do we expect to connect */
integer mp_transceiver_num := 1;
/* frequency hopping status */
boolean mp_freq_hop_enabled := false;
/* frequency hopping parameters */
FreqHopConfig mp_fh_config;
}
type record of RslChannelNr ChannelNrs;
@ -510,6 +514,49 @@ friend function f_init_l1ctl() runs on test_CT {
private type function void_fn(charstring id) runs on ConnHdlr;
private type record length(8) of FreqHopGroups FreqHopConfig;
private type record of FreqHopGroup FreqHopGroups;
private type record FreqHopGroup {
uint6_t hsn,
FreqHopGroupItems trx_maio
};
private type record of FreqHopGroupItem FreqHopGroupItems;
private type record FreqHopGroupItem {
uint8_t trx_nr,
uint6_t maio
};
friend function f_resolve_fh_params(inout ConnHdlrPars pars, uint8_t trx_nr := 0)
{
var FreqHopGroups groups := mp_fh_config[pars.chan_nr.tn];
var integer i, j;
for (i := 0; i < lengthof(groups); i := i + 1) {
var FreqHopGroup g := groups[i];
for (j := 0; j < lengthof(g.trx_maio); j := j + 1) {
var FreqHopGroupItem gi := g.trx_maio[j];
if (gi.trx_nr == trx_nr) {
pars.maio_hsn := valueof(ts_HsnMaio(g.hsn, gi.maio));
pars.ma := { }; /* to be composed below */
break;
}
}
if (ispresent(pars.maio_hsn)) {
/* Compose the Mobile Allocation */
for (j := 0; j < lengthof(g.trx_maio); j := j + 1) {
var FreqHopGroupItem gi := g.trx_maio[j];
pars.ma := pars.ma & { l1ctl_ma_def[gi.trx_nr] };
}
log("Freq. hopping parameters: ", pars.maio_hsn, pars.ma);
break; /* We're done */
}
}
}
/* create a new test component */
friend function f_start_handler(void_fn fn, ConnHdlrPars pars,
boolean pcu_comp := false,
@ -535,6 +582,11 @@ runs on test_CT return ConnHdlr {
map(vc_conn:BTS_TRXC, system:BTS_TRXC);
}
/* Obtain frequency hopping parameters for a given timeslot */
if (mp_freq_hop_enabled and mp_transceiver_num > 1) {
f_resolve_fh_params(pars);
}
vc_conn.start(f_handler_init(fn, id, pars));
return vc_conn;
}

6
bts/BTS_Tests_LAPDm.ttcn
View File

@ -228,6 +228,12 @@ private function fp_common_init() runs on ConnHdlr
/* undo what f_start_handler is doing and pull LAPDm_CT into the loop */
unmap(self:L1CTL, system:L1CTL);
f_lapdm_init();
/* Obtain frequency hopping parameters for a given timeslot */
if (mp_freq_hop_enabled and mp_transceiver_num > 1) {
f_resolve_fh_params(g_pars);
}
/* activate the channel on the BTS side */
f_rsl_chan_act(g_pars.chan_mode, false, {});
/* activate the channel on the MS side */