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Commit 129d4833 authored by laurent's avatar laurent
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more fixes in mutext

parent 5e47fa4d
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Showing with 228 additions and 270 deletions
targets/ARCH/rfsimulator/simulator.c
View file @ 129d4833
/*
Author: Laurent THOMAS, Open Cells for Nokia
copyleft: OpenAirInterface Software Alliance and it's licence
......@@ -326,7 +325,6 @@ bool flushInput(rfsimulator_state_t *t) {
return nfds>0;
}
int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, void **samplesVoid, int nsamps, int nbAnt) {
if (nbAnt != 1) { LOG_E(HW, "rfsimulator: only 1 antenna tested\n"); exit(1); }
......@@ -413,6 +411,7 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
return nsamps;
}
int rfsimulator_request(openair0_device *device, void *msg, ssize_t msg_len) {
abort();
return 0;
......@@ -442,6 +441,7 @@ int rfsimulator_set_gains(openair0_device *device, openair0_config_t *openair0_c
__attribute__((__visibility__("default")))
int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
//set_log(HW,OAILOG_DEBUG);
//set_log(PHY,OAILOG_DEBUG);
rfsimulator_state_t *rfsimulator = (rfsimulator_state_t *)calloc(sizeof(rfsimulator_state_t),1);
if ((rfsimulator->ip=getenv("RFSIMULATOR")) == NULL ) {
......
targets/RT/USER/lte-ue.c
View file @ 129d4833
......@@ -544,7 +544,7 @@ static void *UE_thread_synch(void *arg)
while (UE->proc.instance_cnt_synch < 0)
// the thread waits here most of the time
pthread_cond_wait( &UE->proc.cond_synch, &UE->proc.mutex_synch );
AssertFatal ( 0== pthread_mutex_unlock(&UE->proc.mutex_synch), "");
LOG_I(PHY,"Starting a sync process\n");
switch (sync_mode) {
case pss:
......@@ -647,9 +647,7 @@ static void *UE_thread_synch(void *arg)
UE->UE_scan_carrier = 0;
} else {
AssertFatal ( 0== pthread_mutex_lock(&UE->proc.mutex_synch), "");
UE->is_synchronized = 1;
AssertFatal ( 0== pthread_mutex_unlock(&UE->proc.mutex_synch), "");
if( UE->mode == rx_dump_frame ) {
FILE *fd;
......@@ -667,10 +665,7 @@ static void *UE_thread_synch(void *arg)
exit(0);
}
} else {
AssertFatal ( 0== pthread_mutex_lock(&UE->proc.mutex_synch), "");
UE->is_synchronized = 0;
AssertFatal ( 0== pthread_mutex_unlock(&UE->proc.mutex_synch), "");
}
}
}
......@@ -719,7 +714,6 @@ static void *UE_thread_synch(void *arg)
break;
}
AssertFatal ( 0== pthread_mutex_lock(&UE->proc.mutex_synch), "");
// indicate readiness
UE->proc.instance_cnt_synch--;
AssertFatal ( 0== pthread_mutex_unlock(&UE->proc.mutex_synch), "");
......@@ -773,18 +767,10 @@ static void *UE_thread_rxn_txnp4(void *arg) {
threadname);
while (!oai_exit) {
if (pthread_mutex_lock(&proc->mutex_rxtx) != 0) {
LOG_E( PHY, "[SCHED][UE] error locking mutex for UE RXTX\n" );
exit_fun("nothing to add");
}
while (proc->instance_cnt_rxtx < 0) {
AssertFatal(pthread_mutex_lock(&proc->mutex_rxtx) == 0, "[SCHED][UE] error locking mutex for UE RXTX\n" );
while (proc->instance_cnt_rxtx < 0)
// most of the time, the thread is waiting here
pthread_cond_wait( &proc->cond_rxtx, &proc->mutex_rxtx );
}
if (pthread_mutex_unlock(&proc->mutex_rxtx) != 0) {
LOG_E( PHY, "[SCHED][UE] error unlocking mutex for UE RXn_TXnp4\n" );
exit_fun("nothing to add");
}
initRefTimes(t2);
initRefTimes(t3);
......@@ -858,18 +844,8 @@ static void *UE_thread_rxn_txnp4(void *arg) {
phy_procedures_UE_S_TX(UE,0,0);
updateTimes(current, &t3, 10000, "Delay to process sub-frame (case 3)");
if (pthread_mutex_lock(&proc->mutex_rxtx) != 0) {
LOG_E( PHY, "[SCHED][UE] error locking mutex for UE RXTX\n" );
exit_fun("noting to add");
}
proc->instance_cnt_rxtx--;
#if BASIC_SIMULATOR
if (pthread_cond_signal(&proc->cond_rxtx) != 0) abort();
#endif
if (pthread_mutex_unlock(&proc->mutex_rxtx) != 0) {
LOG_E( PHY, "[SCHED][UE] error unlocking mutex for UE RXTX\n" );
exit_fun("noting to add");
}
AssertFatal (pthread_mutex_unlock(&proc->mutex_rxtx) == 0, "[SCHED][UE] error unlocking mutex for UE RXTX\n" );
}
// thread finished
......@@ -1557,21 +1533,45 @@ void *UE_thread(void *arg) {
oai_exit=1;
}
UE_rxtx_proc_t *proc=UE->proc.proc_rxtx;
while (!oai_exit) {
#if BASIC_SIMULATOR
while (!(UE->proc.instance_cnt_synch < 0)) {
printf("ue sync not ready\n");
usleep(500*1000);
if ( pthread_mutex_trylock(&UE->proc.mutex_synch) != 0 ) {
// a sync detection is running
// grab 10 ms of signal into dummy buffer to wait result of sync detection
if (UE->mode != loop_through_memory) {
void *dummy_tx[UE->frame_parms.nb_antennas_tx];
for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
dummy_tx[i]=malloc16_clear(UE->frame_parms.samples_per_tti*4);
void *dummy_rx[UE->frame_parms.nb_antennas_rx];
for (int i=0; i<UE->frame_parms.nb_antennas_rx; i++)
dummy_rx[i]=malloc16(UE->frame_parms.samples_per_tti*4);
for (int sf=0; sf<10; sf++) {
// printf("Reading dummy sf %d\n",sf);
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp,
dummy_rx,
UE->frame_parms.samples_per_tti,
UE->frame_parms.nb_antennas_rx);
AssertFatal( UE->frame_parms.samples_per_tti ==
UE->rfdevice.trx_write_func(&UE->rfdevice,
timestamp+(2*UE->frame_parms.samples_per_tti) -
openair0_cfg[0].tx_sample_advance,
dummy_tx,
UE->frame_parms.samples_per_tti,
UE->frame_parms.nb_antennas_tx,
1),"");
}
for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
free(dummy_tx[i]);
for (int i=0; i<UE->frame_parms.nb_antennas_rx; i++)
free(dummy_rx[i]);
}
usleep(1000); // relax time when I/Q acquisition is not realtime (simulators)
continue;
}
#endif
AssertFatal ( 0 == pthread_mutex_lock(&UE->proc.mutex_synch), "");
int instance_cnt_synch = UE->proc.instance_cnt_synch;
int is_synchronized = UE->is_synchronized;
AssertFatal ( 0 == pthread_mutex_unlock(&UE->proc.mutex_synch), "");
if (is_synchronized == 0) {
if (instance_cnt_synch < 0) { // we can invoke the synch
if (UE->is_synchronized == 0) {
// grab 10 ms of signal and wakeup synch thread
if (UE->mode != loop_through_memory) {
void *dummy_tx[UE->frame_parms.nb_antennas_tx];
......@@ -1598,245 +1598,203 @@ void *UE_thread(void *arg) {
for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
free(dummy_tx[i]);
}
AssertFatal( 0 == pthread_mutex_lock(&UE->proc.mutex_synch), "");
AssertFatal( 0 == ++UE->proc.instance_cnt_synch, "[SCHED][UE] UE sync thread busy!!\n" );
UE->proc.instance_cnt_synch=0;
AssertFatal( 0 == pthread_cond_signal(&UE->proc.cond_synch), "");
AssertFatal( 0 == pthread_mutex_unlock(&UE->proc.mutex_synch), "");
} else {
// grab 10 ms of signal into dummy buffer to wait result of sync detection
if (UE->mode != loop_through_memory) {
continue;
} // UE->is_synchronized==0
// UE is synchronized
AssertFatal( 0 == pthread_mutex_unlock(&UE->proc.mutex_synch), "");
// A specific processing for first sub-frame after synchro
if (start_rx_stream==0) {
start_rx_stream=1;
if (UE->mode != loop_through_memory) {
if (UE->no_timing_correction==0) {
LOG_I(PHY,"Resynchronizing RX by %d samples (mode = %d)\n",UE->rx_offset,UE->mode);
void *dummy_tx[UE->frame_parms.nb_antennas_tx];
for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
dummy_tx[i]=malloc16_clear(UE->frame_parms.samples_per_tti*4);
void *dummy_rx[UE->frame_parms.nb_antennas_rx];
for (int i=0; i<UE->frame_parms.nb_antennas_rx; i++)
dummy_rx[i]=malloc16(UE->frame_parms.samples_per_tti*4);
for (int sf=0; sf<10; sf++) {
// printf("Reading dummy sf %d\n",sf);
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp,
dummy_rx,
UE->frame_parms.samples_per_tti,
UE->frame_parms.nb_antennas_rx);
AssertFatal( UE->frame_parms.samples_per_tti ==
UE->rfdevice.trx_write_func(&UE->rfdevice,
timestamp+(2*UE->frame_parms.samples_per_tti) -
openair0_cfg[0].tx_sample_advance,
dummy_tx,
UE->frame_parms.samples_per_tti,
UE->frame_parms.nb_antennas_tx,
1),"");
usleep(900); // this sleep improves in the case of simulated RF and doesn't harm with true radio
for ( int size=UE->rx_offset ; size > 0 ; size -= UE->frame_parms.samples_per_tti ) {
int unitTransfer=size>UE->frame_parms.samples_per_tti ? UE->frame_parms.samples_per_tti : size ;
AssertFatal(unitTransfer ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp,
(void**)UE->common_vars.rxdata,
unitTransfer,
UE->frame_parms.nb_antennas_rx),"");
AssertFatal( unitTransfer ==
UE->rfdevice.trx_write_func(&UE->rfdevice,
timestamp+(2*UE->frame_parms.samples_per_tti) -
openair0_cfg[0].tx_sample_advance,
dummy_tx,
unitTransfer,
UE->frame_parms.nb_antennas_tx,
1),"");
}
for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
free(dummy_tx[i]);
for (int i=0; i<UE->frame_parms.nb_antennas_rx; i++)
free(dummy_rx[i]);
}
}
} // UE->is_synchronized==0
else {
if (start_rx_stream==0) {
start_rx_stream=1;
if (UE->mode != loop_through_memory) {
if (UE->no_timing_correction==0) {
LOG_I(PHY,"Resynchronizing RX by %d samples (mode = %d)\n",UE->rx_offset,UE->mode);
void *dummy_tx[UE->frame_parms.nb_antennas_tx];
for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
dummy_tx[i]=malloc16_clear(UE->frame_parms.samples_per_tti*4);
for ( int size=UE->rx_offset ; size > 0 ; size -= UE->frame_parms.samples_per_tti ) {
int unitTransfer=size>UE->frame_parms.samples_per_tti ? UE->frame_parms.samples_per_tti : size ;
AssertFatal(unitTransfer ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp,
(void**)UE->common_vars.rxdata,
unitTransfer,
UE->frame_parms.nb_antennas_rx),"");
AssertFatal( unitTransfer ==
UE->rfdevice.trx_write_func(&UE->rfdevice,
timestamp+(2*UE->frame_parms.samples_per_tti) -
openair0_cfg[0].tx_sample_advance,
dummy_tx,
unitTransfer,
UE->frame_parms.nb_antennas_tx,
1),"");
}
for (int i=0; i<UE->frame_parms.nb_antennas_tx; i++)
free(dummy_tx[i]);
}
UE->rx_offset=0;
UE->time_sync_cell=0;
//UE->proc.proc_rxtx[0].frame_rx++;
//UE->proc.proc_rxtx[1].frame_rx++;
for (th_id=0; th_id < RX_NB_TH; th_id++) {
UE->proc.proc_rxtx[th_id].frame_rx++;
}
// read in first symbol
AssertFatal (UE->frame_parms.ofdm_symbol_size+UE->frame_parms.nb_prefix_samples0 ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp,
(void**)UE->common_vars.rxdata,
UE->frame_parms.ofdm_symbol_size+UE->frame_parms.nb_prefix_samples0,
UE->frame_parms.nb_antennas_rx),"");
slot_fep(UE,0, 0, 0, 0, 0);
} //UE->mode != loop_through_memory
else
rt_sleep_ns(1000*1000);
} else {
sub_frame++;
sub_frame%=10;
UE_rxtx_proc_t *proc = &UE->proc.proc_rxtx[thread_idx];
// update thread index for received subframe
UE->current_thread_id[sub_frame] = thread_idx;
UE->rx_offset=0;
UE->time_sync_cell=0;
//UE->proc.proc_rxtx[0].frame_rx++;
//UE->proc.proc_rxtx[1].frame_rx++;
for (th_id=0; th_id < RX_NB_TH; th_id++) {
UE->proc.proc_rxtx[th_id].frame_rx++;
}
// read in first symbol
AssertFatal (UE->frame_parms.ofdm_symbol_size+UE->frame_parms.nb_prefix_samples0 ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp,
(void**)UE->common_vars.rxdata,
UE->frame_parms.ofdm_symbol_size+UE->frame_parms.nb_prefix_samples0,
UE->frame_parms.nb_antennas_rx),"");
slot_fep(UE,0, 0, 0, 0, 0);
} //UE->mode != loop_through_memory
else
rt_sleep_ns(1000*1000);
continue;
}
// Normale subframe processing
sub_frame= (sub_frame + 1 ) % 10;
//Force wait in simulation because odd and even subframe processing threads seems to haverace conditions
AssertFatal(proc,"");
if ( getenv("RFSIMULATOR")) {
bool ok;
do {
pthread_mutex_lock(&proc->mutex_rxtx);
ok=proc->instance_cnt_rxtx==-1;
pthread_mutex_unlock(&proc->mutex_rxtx);
} while (!ok);
}
#if BASIC_SIMULATOR
{
int t;
for (t = 0; t < 2; t++) {
UE_rxtx_proc_t *proc = &UE->proc.proc_rxtx[t];
pthread_mutex_lock(&proc->mutex_rxtx);
while (proc->instance_cnt_rxtx >= 0) pthread_cond_wait( &proc->cond_rxtx, &proc->mutex_rxtx );
pthread_mutex_unlock(&proc->mutex_rxtx);
}
}
pthread_mutex_lock(&proc->mutex_rxtx);
pthread_mutex_unlock(&proc->mutex_rxtx);
#endif
LOG_D(PHY,"Process Subframe %d thread Idx %d \n", sub_frame, UE->current_thread_id[sub_frame]);
thread_idx++;
if(thread_idx>=RX_NB_TH)
thread_idx = 0;
if (UE->mode != loop_through_memory) {
for (i=0; i<UE->frame_parms.nb_antennas_rx; i++)
rxp[i] = (void*)&UE->common_vars.rxdata[i][UE->frame_parms.ofdm_symbol_size+
UE->frame_parms.nb_prefix_samples0+
sub_frame*UE->frame_parms.samples_per_tti];
for (i=0; i<UE->frame_parms.nb_antennas_tx; i++)
txp[i] = (void*)&UE->common_vars.txdata[i][((sub_frame+2)%10)*UE->frame_parms.samples_per_tti];
int readBlockSize, writeBlockSize;
if (sub_frame<9) {
readBlockSize=UE->frame_parms.samples_per_tti;
writeBlockSize=UE->frame_parms.samples_per_tti;
} else {
// set TO compensation to zero
UE->rx_offset_diff = 0;
// compute TO compensation that should be applied for this frame
if (UE->no_timing_correction == 0) {
if (getenv("RFSIMULATOR") != NULL && UE->rx_offset) {
LOG_W(HW,"in simu, rx_offset is not null: %d\n", UE->rx_offset);
}
if ( UE->rx_offset < 5*UE->frame_parms.samples_per_tti &&
UE->rx_offset > 0 )
UE->rx_offset_diff = -1 ;
if ( UE->rx_offset > 5*UE->frame_parms.samples_per_tti &&
UE->rx_offset < 10*UE->frame_parms.samples_per_tti )
UE->rx_offset_diff = 1;
}
LOG_D(PHY,"AbsSubframe %d.%d SET rx_off_diff to %d rx_offset %d \n",proc->frame_rx,sub_frame,UE->rx_offset_diff,UE->rx_offset);
readBlockSize=UE->frame_parms.samples_per_tti -
UE->frame_parms.ofdm_symbol_size -
UE->frame_parms.nb_prefix_samples0 -
UE->rx_offset_diff;
writeBlockSize=UE->frame_parms.samples_per_tti -
UE->rx_offset_diff;
}
AssertFatal(readBlockSize ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp,
rxp,
readBlockSize,
UE->frame_parms.nb_antennas_rx),"");
AssertFatal( writeBlockSize ==
UE->rfdevice.trx_write_func(&UE->rfdevice,
timestamp+
(2*UE->frame_parms.samples_per_tti) -
UE->frame_parms.ofdm_symbol_size-UE->frame_parms.nb_prefix_samples0 -
openair0_cfg[0].tx_sample_advance,
txp,
writeBlockSize,
UE->frame_parms.nb_antennas_tx,
1),"");
if( sub_frame==9) {
// read in first symbol of next frame and adjust for timing drift
int first_symbols=writeBlockSize-readBlockSize;
if ( first_symbols > 0 ) {
openair0_timestamp timestamp1;
AssertFatal(first_symbols ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp1,
(void**)UE->common_vars.rxdata,
first_symbols,
UE->frame_parms.nb_antennas_rx),"");
}
if ( first_symbols <0 )
LOG_E(PHY,"can't compensate: diff =%d\n", first_symbols);
}
pickTime(gotIQs);
// operate on thread sf mod 2
AssertFatal(pthread_mutex_lock(&proc->mutex_rxtx) ==0,"");
if(sub_frame == 0) {
//UE->proc.proc_rxtx[0].frame_rx++;
//UE->proc.proc_rxtx[1].frame_rx++;
for (th_id=0; th_id < RX_NB_TH; th_id++) {
UE->proc.proc_rxtx[th_id].frame_rx++;
}
}
//UE->proc.proc_rxtx[0].gotIQs=readTime(gotIQs);
//UE->proc.proc_rxtx[1].gotIQs=readTime(gotIQs);
for (th_id=0; th_id < RX_NB_TH; th_id++) {
UE->proc.proc_rxtx[th_id].gotIQs=readTime(gotIQs);
}
proc->subframe_rx=sub_frame;
proc->subframe_tx=(sub_frame+4)%10;
proc->frame_tx = proc->frame_rx + (proc->subframe_rx>5?1:0);
proc->timestamp_tx = timestamp+
(4*UE->frame_parms.samples_per_tti)-
UE->frame_parms.ofdm_symbol_size-UE->frame_parms.nb_prefix_samples0;
proc->instance_cnt_rxtx++;
LOG_D( PHY, "[SCHED][UE %d] UE RX instance_cnt_rxtx %d subframe %d !!\n", UE->Mod_id, proc->instance_cnt_rxtx,proc->subframe_rx);
if (proc->instance_cnt_rxtx != 0) {
if ( getenv("RFSIMULATOR") != NULL ) {
do {
AssertFatal (pthread_mutex_unlock(&proc->mutex_rxtx) == 0, "");
usleep(100);
AssertFatal (pthread_mutex_lock(&proc->mutex_rxtx) == 0, "");
} while ( proc->instance_cnt_rxtx >= 0);
} else
LOG_E( PHY, "[SCHED][UE %d] UE RX thread busy (IC %d)!!\n", UE->Mod_id, proc->instance_cnt_rxtx);
if (proc->instance_cnt_rxtx > 2)
exit_fun("instance_cnt_rxtx > 2");
}
AssertFatal (pthread_cond_signal(&proc->cond_rxtx) ==0 ,"");
AssertFatal(pthread_mutex_unlock(&proc->mutex_rxtx) ==0,"");
initRefTimes(t1);
initStaticTime(lastTime);
updateTimes(lastTime, &t1, 20000, "Delay between two IQ acquisitions (case 1)");
pickStaticTime(lastTime);
} else {
printf("Processing subframe %d",proc->subframe_rx);
getchar();
}
} // start_rx_stream==1
} // UE->is_synchronized==1
} // while !oai_exit
return NULL;
LOG_D(PHY,"Process Subframe %d thread Idx %d \n", sub_frame, UE->current_thread_id[sub_frame]);
proc = &UE->proc.proc_rxtx[thread_idx];
// update thread index for received subframe
UE->current_thread_id[sub_frame] = thread_idx;
LOG_D(PHY,"Process Subframe %d thread Idx %d \n", sub_frame, UE->current_thread_id[sub_frame]);
thread_idx= (thread_idx + 1 ) % RX_NB_TH;
if (UE->mode != loop_through_memory) {
for (i=0; i<UE->frame_parms.nb_antennas_rx; i++)
rxp[i] = (void*)&UE->common_vars.rxdata[i][UE->frame_parms.ofdm_symbol_size+
UE->frame_parms.nb_prefix_samples0+
sub_frame*UE->frame_parms.samples_per_tti];
for (i=0; i<UE->frame_parms.nb_antennas_tx; i++)
txp[i] = (void*)&UE->common_vars.txdata[i][((sub_frame+2)%10)*UE->frame_parms.samples_per_tti];
int readBlockSize, writeBlockSize;
if (sub_frame<9) {
readBlockSize=UE->frame_parms.samples_per_tti;
writeBlockSize=UE->frame_parms.samples_per_tti;
} else {
// set TO compensation to zero
UE->rx_offset_diff = 0;
// compute TO compensation that should be applied for this frame
if (UE->no_timing_correction == 0) {
if ( UE->rx_offset < 5*UE->frame_parms.samples_per_tti &&
UE->rx_offset > 0 )
UE->rx_offset_diff = -1 ;
if ( UE->rx_offset > 5*UE->frame_parms.samples_per_tti &&
UE->rx_offset < 10*UE->frame_parms.samples_per_tti )
UE->rx_offset_diff = 1;
}
LOG_D(PHY,"AbsSubframe %d.%d SET rx_off_diff to %d rx_offset %d \n",
proc->frame_rx,sub_frame,UE->rx_offset_diff,UE->rx_offset);
if (getenv("RFSIMULATOR") != NULL && UE->rx_offset) {
LOG_W(HW,"in simu, rx_offset is not null: %d\n", UE->rx_offset);
//UE->rx_offset_diff=0;
}
readBlockSize=UE->frame_parms.samples_per_tti -
UE->frame_parms.ofdm_symbol_size -
UE->frame_parms.nb_prefix_samples0 -
UE->rx_offset_diff;
writeBlockSize=UE->frame_parms.samples_per_tti -
UE->rx_offset_diff;
}
AssertFatal(readBlockSize ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp,
rxp,
readBlockSize,
UE->frame_parms.nb_antennas_rx),"");
AssertFatal( writeBlockSize ==
UE->rfdevice.trx_write_func(&UE->rfdevice,
timestamp+
(2*UE->frame_parms.samples_per_tti) -
UE->frame_parms.ofdm_symbol_size-UE->frame_parms.nb_prefix_samples0 -
openair0_cfg[0].tx_sample_advance,
txp,
writeBlockSize,
UE->frame_parms.nb_antennas_tx,
1),"");
if( sub_frame==9) {
// read in first symbol of next frame and adjust for timing drift
int first_symbols=writeBlockSize-readBlockSize;
if ( first_symbols > 0 ) {
openair0_timestamp timestamp1;
AssertFatal(first_symbols ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
&timestamp1,
(void**)UE->common_vars.rxdata,
first_symbols,
UE->frame_parms.nb_antennas_rx),"");
}
if ( first_symbols <0 )
LOG_E(PHY,"can't compensate: diff =%d\n", first_symbols);
}
pickTime(gotIQs);
// operate on thread sf mod 2
if (pthread_mutex_trylock(&proc->mutex_rxtx) != 0 ) {
LOG_E(PHY,"Real time issue in subframes processing, skipping subframe %d\n", proc->subframe_rx);
continue;
}
if(sub_frame == 0) {
//UE->proc.proc_rxtx[0].frame_rx++;
//UE->proc.proc_rxtx[1].frame_rx++;
for (th_id=0; th_id < RX_NB_TH; th_id++) {
UE->proc.proc_rxtx[th_id].frame_rx++;
}
}
//UE->proc.proc_rxtx[0].gotIQs=readTime(gotIQs);
//UE->proc.proc_rxtx[1].gotIQs=readTime(gotIQs);
for (th_id=0; th_id < RX_NB_TH; th_id++) {
UE->proc.proc_rxtx[th_id].gotIQs=readTime(gotIQs);
}
proc->subframe_rx=sub_frame;
proc->subframe_tx=(sub_frame+4)%10;
proc->frame_tx = proc->frame_rx + (proc->subframe_rx>5?1:0);
proc->timestamp_tx = timestamp+
(4*UE->frame_parms.samples_per_tti)-
UE->frame_parms.ofdm_symbol_size-UE->frame_parms.nb_prefix_samples0;
proc->instance_cnt_rxtx=0;
AssertFatal (pthread_cond_signal(&proc->cond_rxtx) ==0 ,"");
AssertFatal(pthread_mutex_unlock(&proc->mutex_rxtx) ==0,"");
initRefTimes(t1);
initStaticTime(lastTime);
updateTimes(lastTime, &t1, 20000, "Delay between two IQ acquisitions (case 1)");
pickStaticTime(lastTime);
} else {
printf("Processing subframe %d",proc->subframe_rx);
getchar();
}
}
return NULL;
}
......
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