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Commit afce5b93 authored by Florian Kaltenberger's avatar Florian Kaltenberger
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added RTAI support for UE 


git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6509 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent 19c5f0fb
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Showing with 63 additions and 75 deletions
targets/RT/USER/lte-softmodem.c
View file @ afce5b93
......@@ -170,19 +170,15 @@ unsigned char scope_enb_num_ue = 1;
#endif //XFORMS
#ifdef RTAI
static SEM *mutex;
//static CND *cond;
static long main_eNB_thread;
static long main_ue_thread;
static SEM *sync_sem; // to sync rx & tx streaming
//static int sync_thread;
#else
pthread_t main_eNB_thread;
pthread_t main_ue_thread;
pthread_attr_t attr_dlsch_threads;
pthread_attr_t attr_UE_thread;
#endif
#ifndef LOWLATENCY
struct sched_param sched_param_dlsch;
......@@ -191,7 +187,6 @@ struct sched_param sched_param_dlsch;
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
int sync_var=-1;
#endif
RTIME T0;
......@@ -378,15 +373,15 @@ void print_opp_meas(void);
int transmission_mode=1;
int16_t glog_level = LOG_DEBUG;
int16_t glog_level = LOG_INFO;
int16_t glog_verbosity = LOG_MED;
int16_t hw_log_level = LOG_INFO;
int16_t hw_log_verbosity = LOG_MED;
int16_t phy_log_level = LOG_DEBUG;
int16_t phy_log_level = LOG_INFO;
int16_t phy_log_verbosity = LOG_MED;
int16_t mac_log_level = LOG_DEBUG;
int16_t mac_log_level = LOG_INFO;
int16_t mac_log_verbosity = LOG_MED;
int16_t rlc_log_level = LOG_DEBUG;
int16_t rlc_log_level = LOG_INFO;
int16_t rlc_log_verbosity = LOG_MED;
int16_t pdcp_log_level = LOG_INFO;
int16_t pdcp_log_verbosity = LOG_MED;
......@@ -1461,7 +1456,7 @@ static void *eNB_thread(void *arg)
*/
#ifdef RTAI
task = rt_task_init_schmod(nam2num("TASK0"), 0, 0, 0, SCHED_FIFO, 0xF);
task = rt_task_init_schmod(nam2num("eNBmain"), 0, 0, 0, SCHED_FIFO, 0xF);
#else
#ifdef LOWLATENCY
attr.size = sizeof(attr);
......@@ -1513,15 +1508,11 @@ static void *eNB_thread(void *arg)
timing_info.n_samples = 0;
printf("waiting for sync (eNB_thread)\n");
#ifdef RTAI
rt_sem_wait(sync_sem);
#else
pthread_mutex_lock(&sync_mutex);
while (sync_var<0)
pthread_cond_wait(&sync_cond, &sync_mutex);
pthread_mutex_unlock(&sync_mutex);
#endif
// printf("starting eNB thread @ %llu\n",get_usrp_time(&openair0));
printf("starting eNB thread\n");
while (!oai_exit) {
start_meas(&softmodem_stats_mt);
......@@ -1836,20 +1827,23 @@ static void *UE_thread_synch(void *arg) {
int current_offset = 0;
sync_mode_t sync_mode = pss;
#ifdef RTAI
RT_TASK *task = rt_task_init_schmod(nam2num("UEsync"), 0, 0, 0, SCHED_FIFO, 0xF);
if (task==NULL) {
LOG_E(PHY,"[SCHED][UE] Problem starting UE_sync_thread!!!!\n");
return 0;
}
#endif
UE->is_synchronized = 0;
printf("UE_thread_sync in with PHY_vars_UE %p\n",arg);
printf("waiting for sync (UE_thread_synch) \n");
#ifdef RTAI
rt_sem_wait(sync_sem);
#else
pthread_mutex_lock(&sync_mutex);
printf("Locked sync_mutex, waiting (UE_sync_thread)\n");
while (sync_var<0)
pthread_cond_wait(&sync_cond, &sync_mutex);
pthread_mutex_unlock(&sync_mutex);
printf("unlocked sync_mutex (UE_sync_thread)\n");
#endif
printf("starting UE synch thread\n");
if (UE_scan == 1) {
......@@ -2019,9 +2013,13 @@ break;
static void *UE_thread_tx(void *arg) {
#ifdef RTAI
RT_TASK *task;
#else
#ifdef LOWLATENCY
struct sched_attr attr;
unsigned int flags = 0;
#endif
#endif
int ret;
......@@ -2029,6 +2027,13 @@ static void *UE_thread_tx(void *arg) {
UE->instance_cnt_tx=-1;
#ifdef RTAI
task = rt_task_init_schmod(nam2num("UETX"), 0, 0, 0, SCHED_FIFO, 0xF);
if (task==NULL) {
LOG_E(PHY,"[SCHED][UE] Problem starting UE_thread_TX!!!!\n");
return 0;
}
#else
#ifdef LOWLATENCY
attr.size = sizeof(attr);
attr.sched_flags = 0;
......@@ -2046,22 +2051,16 @@ static void *UE_thread_tx(void *arg) {
perror("[SCHED] eNB tx thread: sched_setattr failed\n");
exit(-1);
}
#endif
#endif
#ifndef EXMIMO
printf("waiting for sync (UE_thread_tx)\n");
#ifdef RTAI
rt_sem_wait(sync_sem);
#else
pthread_mutex_lock(&sync_mutex);
printf("Locked sync_mutex, waiting (UE_thread_tx)\n");
while (sync_var<0)
pthread_cond_wait(&sync_cond, &sync_mutex);
pthread_mutex_unlock(&sync_mutex);
printf("unlocked sync_mutex, waiting (UE_thread_tx)\n");
#endif
#endif
printf("Starting UE TX thread\n");
mlockall(MCL_CURRENT | MCL_FUTURE);
......@@ -2150,13 +2149,24 @@ static void *UE_thread_rx(void *arg) {
int i;
int ret;
#ifdef RTAI
RT_TASK *task;
#else
#ifdef LOWLATENCY
struct sched_attr attr;
unsigned int flags = 0;
#endif
#endif
UE->instance_cnt_rx=-1;
#ifdef RTAI
task = rt_task_init_schmod(nam2num("UERX"), 0, 0, 0, SCHED_FIFO, 0xF);
if (task==NULL) {
LOG_E(PHY,"[SCHED][UE] Problem starting UE_thread_RX!!!!\n");
return 0;
}
#else
#ifdef LOWLATENCY
attr.size = sizeof(attr);
attr.sched_flags = 0;
......@@ -2174,23 +2184,17 @@ static void *UE_thread_rx(void *arg) {
exit(-1);
}
#endif
#endif
mlockall(MCL_CURRENT | MCL_FUTURE);
#ifndef EXMIMO
printf("waiting for sync (UE_thread_rx)\n");
#ifdef RTAI
rt_sem_wait(sync_sem);
#else
pthread_mutex_lock(&sync_mutex);
printf("Locked sync_mutex, waiting (UE_thread_rx)\n");
while (sync_var<0)
pthread_cond_wait(&sync_cond, &sync_mutex);
pthread_mutex_unlock(&sync_mutex);
printf("unlocked sync_mutex, waiting (UE_thread_rx)\n");
#endif
#endif
printf("Starting UE RX thread\n");
while (!oai_exit) {
......@@ -2301,6 +2305,9 @@ static void *UE_thread(void *arg) {
unsigned int rxs;
void *rxp[2],*txp[2];
#ifdef RTAI
RT_TASK *task;
#else
/*
#ifdef LOWLATENCY
struct sched_attr attr;
......@@ -2308,20 +2315,24 @@ static void *UE_thread(void *arg) {
unsigned long mask = 1; // processor 0
#endif
*/
#endif
printf("waiting for sync (UE_thread)\n");
#ifdef RTAI
rt_sem_wait(sync_sem);
#else
pthread_mutex_lock(&sync_mutex);
printf("Locked sync_mutex, waiting (UE_thread)\n");
while (sync_var<0)
pthread_cond_wait(&sync_cond, &sync_mutex);
pthread_mutex_unlock(&sync_mutex);
printf("unlocked sync_mutex, waiting (UE_thread)\n");
#endif
printf("starting UE thread\n");
#ifdef RTAI
task = rt_task_init_schmod(nam2num("UEmain"), 0, 0, 0, SCHED_FIFO, 0xF);
if (task==NULL) {
LOG_E(PHY,"[SCHED][UE] Problem starting main UE_thread!!!!\n");
return 0;
}
#else
/*
#ifdef LOWLATENCY
attr.size = sizeof(attr);
......@@ -2349,6 +2360,8 @@ static void *UE_thread(void *arg) {
}
#endif
*/
#endif
mlockall(MCL_CURRENT | MCL_FUTURE);
T0 = rt_get_time_ns();
......@@ -2529,7 +2542,7 @@ static void *UE_thread(void *arg) {
}
return(0);
}
#endif
#endif //#ifndef EXMIMO
......@@ -2560,17 +2573,12 @@ static void *UE_thread(void *arg) {
#endif
printf("waiting for sync (UE_thread)\n");
#ifdef RTAI
rt_sem_wait(sync_sem);
#else
pthread_mutex_lock(&sync_mutex);
printf("Locked sync_mutex, waiting (UE_thread)\n");
while (sync_var<0)
pthread_cond_wait(&sync_cond, &sync_mutex);
pthread_mutex_unlock(&sync_mutex);
printf("unlocked sync_mutex, waiting (UE_thread)\n");
#endif
printf("starting UE thread\n");
#if defined(ENABLE_ITTI) && defined(ENABLE_USE_MME)
......@@ -2579,7 +2587,7 @@ static void *UE_thread(void *arg) {
#endif
#ifdef RTAI
task = rt_task_init_schmod(nam2num("TASK0"), 0, 0, 0, SCHED_FIFO, 0xF);
task = rt_task_init_schmod(nam2num("UEmain"), 0, 0, 0, SCHED_FIFO, 0xF);
LOG_D(HW,"Started UE thread (id %p)\n",task);
#endif
......@@ -3696,7 +3704,7 @@ int main(int argc, char **argv) {
sf_bounds = sf_bounds_5;
sf_bounds_tx = sf_bounds_5_tx;
max_cnt = 75;
tx_delay = 5;
tx_delay = 6;
#endif
}
else if (frame_parms[0]->N_RB_DL == 6) {
......@@ -3888,7 +3896,7 @@ int main(int argc, char **argv) {
#ifdef RTAI
// make main thread LXRT soft realtime
/* task = */ rt_task_init_schmod(nam2num("MYTASK"), 9, 0, 0, SCHED_FIFO, 0xF);
/* task = */ rt_task_init_schmod(nam2num("MAIN"), 9, 0, 0, SCHED_FIFO, 0xF);
// start realtime timer and scheduler
//rt_set_oneshot_mode();
......@@ -3897,26 +3905,10 @@ int main(int argc, char **argv) {
//now = rt_get_time() + 10*PERIOD;
//rt_task_make_periodic(task, now, PERIOD);
#endif
printf("Init mutex\n");
//mutex = rt_get_adr(nam2num("MUTEX"));
mutex = rt_sem_init(nam2num("MUTEX"), 1);
if (mutex==0)
{
printf("Error init mutex\n");
exit(-1);
}
else
printf("mutex=%p\n",mutex);
sync_sem = rt_typed_sem_init(nam2num("syncsem"), 0, BIN_SEM|FIFO_Q);
if(sync_sem == 0)
printf("error init sync semphore\n");
#else
pthread_cond_init(&sync_cond,NULL);
pthread_mutex_init(&sync_mutex, NULL);
#endif
#if defined(ENABLE_ITTI)
// Wait for eNB application initialization to be complete (eNB registration to MME)
......@@ -4017,7 +4009,7 @@ int main(int argc, char **argv) {
rt_sleep_ns(FRAME_PERIOD/10);
init_dlsch_threads();
#endif
printf("UE threads created\n");
sleep(1);
#ifdef RTAI
main_ue_thread = rt_thread_create(UE_thread, NULL, 100000000);
......@@ -4031,6 +4023,7 @@ int main(int argc, char **argv) {
LOG_D(HW,"[lte-softmodem.c] Allocate UE_thread successful\n");
}
#endif
printf("UE threads created\n");
}
else {
......@@ -4064,15 +4057,11 @@ int main(int argc, char **argv) {
#endif
#endif
#ifdef RTAI
rt_sem_signal(sync_sem);
#else
printf("Starting all threads\n");
pthread_mutex_lock(&sync_mutex);
printf("Sending sync ...\n");
sync_var=0;
pthread_cond_broadcast(&sync_cond);
pthread_mutex_unlock(&sync_mutex);
#endif
// wait for end of program
printf("TYPE <CTRL-C> TO TERMINATE\n");
......@@ -4149,7 +4138,6 @@ int main(int argc, char **argv) {
#endif
#ifdef RTAI
rt_sem_delete(sync_sem);
stop_rt_timer();
#else
pthread_cond_destroy(&sync_cond);
......
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