changes for Panther

This commit is contained in:
Raymond Knopp
2022-02-22 16:15:29 +01:00
parent 6d9d1f0b94
commit 1976f433dc
2 changed files with 49 additions and 28 deletions
+25 -7
View File
@@ -1106,9 +1106,9 @@ void send_IF5(RU_t *ru, openair0_timestamp proc_timestamp, int tti, uint8_t *seq
NR_DL_FRAME_PARMS *nrfp = ru->nr_frame_parms;
int offset,siglen;
int offset,siglen,factor=1;
if (nrfp) {
offset = nrfp->get_samples_slot_timestamp(tti,nrfp,0);
offset = nrfp->get_samples_slot_timestamp(tti,nrfp,0);
siglen = nrfp->get_samples_per_slot(tti,nrfp);
}
else {
@@ -1116,6 +1116,13 @@ void send_IF5(RU_t *ru, openair0_timestamp proc_timestamp, int tti, uint8_t *seq
siglen = spsf;
}
if (ru->openair0_cfg.nr_flag==1) {
if (nrfp->N_RB_DL <= 162 && nrfp->N_RB_DL >= 106) factor = 2;
else if (nrfp->N_RB_DL < 106) factor=4;
}
else {
factor = 30720/spsf;
}
for (i=0; i < ru->nb_tx; i++)
txp[i] = (int32_t*)&ru->common.txdata[i][offset];
@@ -1125,7 +1132,7 @@ void send_IF5(RU_t *ru, openair0_timestamp proc_timestamp, int tti, uint8_t *seq
//VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE_IF0, 1 );
clock_gettime( CLOCK_MONOTONIC, &start_comp);
ru->ifdevice.trx_write_func2(&ru->ifdevice,
(proc_timestamp + packet_id*spp_eth-600)*(30720/spsf),
(proc_timestamp + packet_id*spp_eth-600)*factor,
(void*)txp[aid],
spp_eth,
aid,
@@ -1326,6 +1333,8 @@ void recv_IF5(RU_t *ru, openair0_timestamp *proc_timestamp, int tti, uint16_t pa
NR_DL_FRAME_PARMS *nrfp = ru->nr_frame_parms;
int offset,siglen;
int factor=1;
int ts_offset;
if (nrfp) {
offset = nrfp->get_samples_slot_timestamp(tti,nrfp,0);
siglen = nrfp->get_samples_per_slot(tti,nrfp);
@@ -1334,6 +1343,15 @@ void recv_IF5(RU_t *ru, openair0_timestamp *proc_timestamp, int tti, uint16_t pa
offset = tti*fp->samples_per_subframe;
siglen = spsf;
}
if (ru->openair0_cfg.nr_flag==1) { // This check if RRU knows about NR numerologies
if (nrfp->N_RB_DL <= 162 && nrfp->N_RB_DL >= 106) factor = 2;
else if (nrfp->N_RB_DL < 106) factor=4;
ts_offset = 64;
}
else {
factor = 30720/spsf;
ts_offset = 256;
}
for (i=0; i < ru->nb_rx; i++)
rxp[i] = &ru->common.rxdata[i][offset];
int aid;
@@ -1352,12 +1370,12 @@ void recv_IF5(RU_t *ru, openair0_timestamp *proc_timestamp, int tti, uint16_t pa
&aid);
clock_gettime( CLOCK_MONOTONIC, &if_time);
timeout[packet_id] = if_time.tv_nsec;
timestamp[packet_id] /= (30720/spsf);
LOG_D(PHY,"TTI %d: Received packet %d: aid %d, TS %llu, oldTS %llu, diff %lld, \n",tti,packet_id,aid,(unsigned long long)timestamp[packet_id],(unsigned long long)oldTS,(unsigned long long)(timestamp[packet_id]-timestamp[0]));
timestamp[packet_id] /= factor; // for LTE this is the sample rate reduction w.r.t 30.72, for NR 122.88
LOG_D(PHY,"TTI %d: factor = %d Received packet %d: aid %d, TS %llu, oldTS %llu, diff %lld, \n",tti,factor,packet_id,aid,(unsigned long long)timestamp[packet_id],(unsigned long long)oldTS,(unsigned long long)(timestamp[packet_id]-timestamp[0]));
if (aid==0) {
if (firstTS==1) firstTS=0;
else if (oldTS + 256 != timestamp[packet_id]) {
else if (oldTS + ts_offset != timestamp[packet_id]) {
LOG_I(PHY,"oldTS %llu, newTS %llu, diff %llu, timein %lu, timeout %lu\n",(long long unsigned int)oldTS,(long long unsigned int)timestamp[packet_id],(long long unsigned int)timestamp[packet_id]-oldTS,timein[packet_id],timeout[packet_id]);
for (int i=0;i<=packet_id;i++) LOG_I(PHY,"packet %d TS %llu, timein %lu, timeout %lu\n",i,(long long unsigned int)timestamp[i],timein[i],timeout[i]);
AssertFatal(1==0,"fronthaul problem\n");
@@ -1369,7 +1387,7 @@ void recv_IF5(RU_t *ru, openair0_timestamp *proc_timestamp, int tti, uint16_t pa
// HYPOTHESIS: first packet per subframe has lowest timestamp of subframe
// should detect out of order and act accordingly ....
AssertFatal(aid==0 || aid==1,"aid %d != 0 or 1\n",aid);
AssertFatal(aid==0 || aid==1 || aid==2 || aid==3,"aid %d != 0,1,2 or 3\n",aid);
LOG_D(PHY,"rxp[%d] %p, dest %p, offset %d (%llu,%llu)\n",aid,rxp[aid],rxp[aid]+(timestamp[packet_id]-timestamp[0]),(int)(timestamp[packet_id]-timestamp[0]),(long long unsigned int)timestamp[packet_id],(long long unsigned int)timestamp[0]);
memcpy((void*)(rxp[aid]+(timestamp[packet_id]-timestamp[0])),
(void*)temp_rx,