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PBCH working

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This commit is contained in:
Mahesh
2020-11-06 19:48:34 +05:30
parent 6f4e894318
commit 643fc632d6
33 changed files with 1754 additions and 500 deletions
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executables/nr-gnb.c
+11 -1
View File
@@ -142,10 +142,13 @@ extern void add_subframe(uint16_t *frameP, uint16_t *subframeP, int offset);
static inline int rxtx(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int frame_tx, int slot_tx, char *thread_name) {
struct timespec current;
clock_gettime(CLOCK_MONOTONIC, &current);
//LOG_I(PHY,"%sCurrent time %d.%d,frame_rx %d,slot_rx %d,frame_tx %d,slot_tx %d\n", __FUNCTION__, current.tv_sec,current.tv_nsec,frame_rx,slot_rx,frame_tx,slot_tx);
sl_ahead = sf_ahead*gNB->frame_parms.slots_per_subframe;
nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
start_meas(&softmodem_stats_rxtx_sf);
// *******************************************************************
@@ -157,6 +160,7 @@ static inline int rxtx(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int frame_t
//LOG_D(PHY, "oai_subframe_ind(frame:%u, subframe:%d) - NOT CALLED ********\n", frame, subframe);
start_meas(&nfapi_meas);
// oai_subframe_ind(frame_rx, slot_rx);
oai_slot_ind(frame_rx, slot_rx);
stop_meas(&nfapi_meas);
@@ -340,15 +344,21 @@ static void *gNB_L1_thread( void *param ) {
while (!oai_exit) {
struct timespec t;
clock_gettime(CLOCK_MONOTONIC,&t);
//printf("\nbefore time %d.%d\n",t.tv_sec,t.tv_nsec);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_gNB_PROC_RXTX0, 0 );
if (wait_on_condition(&L1_proc->mutex,&L1_proc->cond,&L1_proc->instance_cnt,thread_name)<0) break;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_gNB_PROC_RXTX0, 1 );
clock_gettime(CLOCK_MONOTONIC,&t);
int frame_rx = L1_proc->frame_rx;
int slot_rx = L1_proc->slot_rx;
int frame_tx = L1_proc->frame_tx;
int slot_tx = L1_proc->slot_tx;
uint64_t timestamp_tx = L1_proc->timestamp_tx;
//printf("\nframe %d slot %d after wait time %d.%d\n",frame_rx,slot_rx,t.tv_sec,t.tv_nsec);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_SLOT_NUMBER_TX0_GNB,slot_tx);
executables/nr-ru.c
+29 -1
View File
@@ -97,7 +97,8 @@ static int DEFBFW[] = {0x00007fff};
extern volatile int oai_exit;
extern struct timespec timespec_sub(struct timespec lhs, struct timespec rhs);
extern struct timespec timespec_add(struct timespec lhs, struct timespec rhs);
extern void nr_phy_free_RU(RU_t *);
extern void nr_phy_config_request(NR_PHY_Config_t *gNB);
#include "executables/thread-common.h"
@@ -709,6 +710,7 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
void tx_rf(RU_t *ru,int frame,int slot, uint64_t timestamp) {
RU_proc_t *proc = &ru->proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
nfapi_nr_config_request_scf_t *cfg = &ru->config;
@@ -1541,9 +1543,35 @@ void *ru_thread( void *param ) {
pthread_cond_signal(&proc->cond_FH1);
// This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices
struct timespec slot_start;
clock_gettime(CLOCK_MONOTONIC, &slot_start);
struct timespec slot_duration;
slot_duration.tv_sec = 0;
//slot_duration.tv_nsec = 0.5e6;
slot_duration.tv_nsec = 0.5e6;
while (!oai_exit) {
// these are local subframe/frame counters to check that we are in synch with the fronthaul timing.
// They are set on the first rx/tx in the underly FH routines.
slot_start = timespec_add(slot_start,slot_duration);
struct timespec curr_time;
clock_gettime(CLOCK_MONOTONIC, &curr_time);
struct timespec sleep_time;
if((slot_start.tv_sec > curr_time.tv_sec) || (slot_start.tv_sec == curr_time.tv_sec && slot_start.tv_nsec > curr_time.tv_nsec)){
sleep_time = timespec_sub(slot_start,curr_time);
usleep(sleep_time.tv_nsec * 1e-3);
}
else{//continue
}
// clock_gettime(CLOCK_MONOTONIC, &curr_time);
//printf("sfn:%d, slot:%d, start time %d.%d slot start %d.%d \n",frame,slot,curr_time.tv_sec,curr_time.tv_nsec,slot_start.tv_sec,slot_start.tv_nsec);
if (slot==(fp->slots_per_frame-1)) {
slot=0;
frame++;