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adding emulate-rf feature in nr

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This commit is contained in:
Wang Tsu-Han
2018-09-24 15:56:24 +02:00
parent dbb42319c2
commit 2f66c11db3
3 changed files with 103 additions and 40 deletions
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targets/RT/USER/nr-ru.c
+99 -39
View File
@@ -151,6 +151,9 @@ int connect_rau(RU_t *ru);
extern uint16_t sf_ahead;
extern int emulate_rf;
extern int numerology;
/*************************************************************/
/* Functions to attach and configure RRU */
@@ -686,6 +689,34 @@ void fh_if4p5_north_out(RU_t *ru) {
}
static void* emulatedRF_thread(void* param) {
RU_proc_t *proc = (RU_proc_t *) param;
int microsec = 500; // length of time to sleep, in miliseconds
struct timespec req = {0};
req.tv_sec = 0;
req.tv_nsec = (numerology>0)? ((microsec * 1000L)/numerology):(microsec * 1000L)*2;
cpu_set_t cpuset;
CPU_SET(1,&cpuset);
pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
int policy;
struct sched_param sparam;
memset(&sparam, 0, sizeof(sparam));
sparam.sched_priority = sched_get_priority_max(SCHED_FIFO);
policy = SCHED_FIFO ;
pthread_setschedparam(pthread_self(), policy, &sparam);
wait_sync("emulatedRF_thread");
while(!oai_exit){
nanosleep(&req, (struct timespec *)NULL);
pthread_mutex_lock(&proc->mutex_emulateRF);
++proc->instance_cnt_emulateRF;
pthread_mutex_unlock(&proc->mutex_emulateRF);
pthread_cond_signal(&proc->cond_emulateRF);
}
return 0;
}
void rx_rf(RU_t *ru,int *frame,int *subframe) {
RU_proc_t *proc = &ru->proc;
@@ -702,11 +733,18 @@ void rx_rf(RU_t *ru,int *frame,int *subframe) {
old_ts = proc->timestamp_rx;
rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
if(emulate_rf){
wait_on_condition(&proc->mutex_emulateRF,&proc->cond_emulateRF,&proc->instance_cnt_emulateRF,"emulatedRF_thread");
release_thread(&proc->mutex_emulateRF,&proc->instance_cnt_emulateRF,"emulatedRF_thread");
rxs = fp->samples_per_tti;
}
else{
rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
&ts,
rxp,
fp->samples_per_subframe,
ru->nb_rx);
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 );
@@ -1377,26 +1415,37 @@ static void* ru_thread( void* param ) {
LOG_I(PHY,"Starting RU %d (%s,%s),\n",ru->idx,NB_functions[ru->function],NB_timing[ru->if_timing]);
// Start IF device if any
if (ru->start_if) {
LOG_I(PHY,"Starting IF interface for RU %d\n",ru->idx);
AssertFatal(ru->start_if(ru,NULL) == 0, "Could not start the IF device\n");
if (ru->if_south == LOCAL_RF) ret = connect_rau(ru);
else ret = attach_rru(ru);
AssertFatal(ret==0,"Cannot connect to radio\n");
}
if (ru->if_south == LOCAL_RF) { // configure RF parameters only
if(emulate_rf){
fill_rf_config(ru,ru->rf_config_file);
nr_init_frame_parms(&ru->gNB_list[0]->gNB_config, fp);
nr_dump_frame_parms(fp);
nr_phy_init_RU(ru);
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
if (setup_RU_buffers(ru)!=0) {
printf("Exiting, cannot initialize RU Buffers\n");
exit(-1);
}
}
if (setup_RU_buffers(ru)!=0) {
printf("Exiting, cannot initialize RU Buffers\n");
exit(-1);
else{
// Start IF device if any
if (ru->start_if) {
LOG_I(PHY,"Starting IF interface for RU %d\n",ru->idx);
AssertFatal(ru->start_if(ru,NULL) == 0, "Could not start the IF device\n");
if (ru->if_south == LOCAL_RF) ret = connect_rau(ru);
else ret = attach_rru(ru);
AssertFatal(ret==0,"Cannot connect to radio\n");
}
if (ru->if_south == LOCAL_RF) { // configure RF parameters only
fill_rf_config(ru,ru->rf_config_file);
nr_init_frame_parms(&ru->gNB_list[0]->gNB_config, fp);
nr_dump_frame_parms(fp);
nr_phy_init_RU(ru);
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
}
if (setup_RU_buffers(ru)!=0) {
printf("Exiting, cannot initialize RU Buffers\n");
exit(-1);
}
}
LOG_I(PHY, "Signaling main thread that RU %d is ready\n",ru->idx);
@@ -1407,28 +1456,30 @@ static void* ru_thread( void* param ) {
wait_sync("ru_thread");
// Start RF device if any
if (ru->start_rf) {
if (ru->start_rf(ru) != 0)
LOG_E(HW,"Could not start the RF device\n");
else LOG_I(PHY,"RU %d rf device ready\n",ru->idx);
}
else LOG_I(PHY,"RU %d no rf device\n",ru->idx);
if(!emulate_rf){
// Start RF device if any
if (ru->start_rf) {
if (ru->start_rf(ru) != 0)
LOG_E(HW,"Could not start the RF device\n");
else LOG_I(PHY,"RU %d rf device ready\n",ru->idx);
}
else LOG_I(PHY,"RU %d no rf device\n",ru->idx);
// if an asnych_rxtx thread exists
// wakeup the thread because the devices are ready at this point
// if an asnych_rxtx thread exists
// wakeup the thread because the devices are ready at this point
if ((ru->fh_south_asynch_in)||(ru->fh_north_asynch_in)) {
pthread_mutex_lock(&proc->mutex_asynch_rxtx);
proc->instance_cnt_asynch_rxtx=0;
pthread_mutex_unlock(&proc->mutex_asynch_rxtx);
pthread_cond_signal(&proc->cond_asynch_rxtx);
}
else LOG_I(PHY,"RU %d no asynch_south interface\n",ru->idx);
if ((ru->fh_south_asynch_in)||(ru->fh_north_asynch_in)) {
pthread_mutex_lock(&proc->mutex_asynch_rxtx);
proc->instance_cnt_asynch_rxtx=0;
pthread_mutex_unlock(&proc->mutex_asynch_rxtx);
pthread_cond_signal(&proc->cond_asynch_rxtx);
}
else LOG_I(PHY,"RU %d no asynch_south interface\n",ru->idx);
// if this is a slave RRU, try to synchronize on the DL frequency
if ((ru->is_slave) && (ru->if_south == LOCAL_RF)) do_ru_synch(ru);
// if this is a slave RRU, try to synchronize on the DL frequency
if ((ru->is_slave) && (ru->if_south == LOCAL_RF)) do_ru_synch(ru);
}
// This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices
@@ -1487,9 +1538,12 @@ static void* ru_thread( void* param ) {
// do OFDM if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->feptx_ofdm)) ru->feptx_ofdm(ru);
// do outgoing fronthaul (south) if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->fh_south_out)) ru->fh_south_out(ru);
if (!emulate_rf)
{
// do outgoing fronthaul (south) if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->fh_south_out)) ru->fh_south_out(ru);
}
if (ru->fh_north_out) ru->fh_north_out(ru);
}
@@ -1610,7 +1664,7 @@ void init_RU_proc(RU_t *ru) {
int i=0;
RU_proc_t *proc;
pthread_attr_t *attr_FH=NULL,*attr_prach=NULL,*attr_asynch=NULL;// *attr_synch=NULL;
pthread_attr_t *attr_FH=NULL,*attr_prach=NULL,*attr_asynch=NULL, *attr_emulateRF=NULL;// *attr_synch=NULL;
//pthread_attr_t *attr_fep=NULL;
#ifdef Rel14
//pthread_attr_t *attr_prach_br=NULL;
@@ -1628,6 +1682,7 @@ void init_RU_proc(RU_t *ru) {
proc->instance_cnt_synch = -1; ;
proc->instance_cnt_FH = -1;
proc->instance_cnt_asynch_rxtx = -1;
proc->instance_cnt_emulateRF = -1;
proc->first_rx = 1;
proc->first_tx = 1;
proc->frame_offset = 0;
@@ -1640,15 +1695,18 @@ void init_RU_proc(RU_t *ru) {
pthread_mutex_init( &proc->mutex_asynch_rxtx, NULL);
pthread_mutex_init( &proc->mutex_synch,NULL);
pthread_mutex_init( &proc->mutex_FH,NULL);
pthread_mutex_init( &proc->mutex_emulateRF,NULL);
pthread_mutex_init( &proc->mutex_gNBs, NULL);
pthread_cond_init( &proc->cond_prach, NULL);
pthread_cond_init( &proc->cond_FH, NULL);
pthread_cond_init( &proc->cond_emulateRF, NULL);
pthread_cond_init( &proc->cond_asynch_rxtx, NULL);
pthread_cond_init( &proc->cond_synch,NULL);
pthread_cond_init( &proc->cond_gNBs, NULL);
pthread_attr_init( &proc->attr_FH);
pthread_attr_init( &proc->attr_emulateRF);
pthread_attr_init( &proc->attr_prach);
pthread_attr_init( &proc->attr_synch);
pthread_attr_init( &proc->attr_asynch_rxtx);
@@ -1657,13 +1715,15 @@ void init_RU_proc(RU_t *ru) {
#ifndef DEADLINE_SCHEDULER
attr_FH = &proc->attr_FH;
attr_emulateRF = &proc->attr_emulateRF;
attr_prach = &proc->attr_prach;
//attr_synch = &proc->attr_synch;
attr_asynch = &proc->attr_asynch_rxtx;
#endif
pthread_create( &proc->pthread_FH, attr_FH, ru_thread, (void*)ru );
if(emulate_rf)
pthread_create( &proc->pthread_emulateRF, attr_emulateRF, emulatedRF_thread, (void*)proc );
if (ru->function == NGFI_RRU_IF4p5) {
pthread_create( &proc->pthread_prach, attr_prach, ru_thread_prach, (void*)ru );
///tmp deactivation of synch thread
targets/RT/USER/nr-softmodem.c
+1 -1
View File
@@ -208,7 +208,7 @@ extern void init_eNB_afterRU(void);
int transmission_mode=1;
int emulate_rf = 0;
//int numerology = 0;
int numerology = 0;
int codingw = 0;
//int fepw = 0;
targets/RT/USER/nr-softmodem.h
+3
View File
@@ -86,6 +86,8 @@
#define CONFIG_HLP_TNOFORK "to ease debugging with gdb\n"
#define CONFIG_HLP_DISABLNBIOT "disable nb-iot, even if defined in config\n"
#define CONFIG_HLP_EMULATE_RF "Emulated RF enabled(disable by defult)\n"
/***************************************************************************************************************************************/
/* command line options definitions, CMDLINE_XXXX_DESC macros are used to initialize paramdef_t arrays which are then used as argument
when calling config_get or config_getlist functions */
@@ -167,6 +169,7 @@
{"q" , CONFIG_HLP_STMON, PARAMFLAG_BOOL, iptr:&opp_enabled, defintval:0, TYPE_INT, 0}, \
{"S" , CONFIG_HLP_MSLOTS, PARAMFLAG_BOOL, u8ptr:&exit_missed_slots, defintval:1, TYPE_UINT8, 0}, \
{"T" , CONFIG_HLP_TDD, PARAMFLAG_BOOL, iptr:&tddflag, defintval:0, TYPE_INT, 0}, \
{"emulate-rf" , CONFIG_HLP_EMULATE_RF, PARAMFLAG_BOOL, iptr:&emulate_rf, defintval:0, TYPE_INT, 0}, \
{"nbiot-disable", CONFIG_HLP_DISABLNBIOT,PARAMFLAG_BOOL, iptr:&nonbiotflag, defintval:0, TYPE_INT, 0} \
}