lte-softmodem.c 67.5 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
/*******************************************************************************

  Eurecom OpenAirInterface
  Copyright(c) 1999 - 2011 Eurecom

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information
  Openair Admin: openair_admin@eurecom.fr
  Openair Tech : openair_tech@eurecom.fr
  Forums       : http://forums.eurecom.fsr/openairinterface
  Address      : Eurecom, 2229, route des crêtes, 06560 Valbonne Sophia Antipolis, France

*******************************************************************************/

/*! \file lte-softmodem.c
* \brief main program to control HW and scheduling
* \author R. Knopp, F. Kaltenberger
* \date 2012
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr
* \note
* \warning
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sched.h>
#include <signal.h>
#include <execinfo.h>
#include <getopt.h>

#include "rt_wrapper.h"
55
56
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all

57
#include "assertions.h"
58
59
60
61
62
63

#ifdef EMOS
#include <gps.h>
#endif

#include "PHY/types.h"
64

65
#include "PHY/defs.h"
66
67
68
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all

69
#include "openair0_lib.h"
70
#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
71
72
73

#include "PHY/vars.h"
#include "MAC_INTERFACE/vars.h"
74
//#include "SCHED/defs.h"
75
76
77
78
79
80
81
82
83
84
#include "SCHED/vars.h"
#include "LAYER2/MAC/vars.h"

#include "../../SIMU/USER/init_lte.h"

#ifdef EMOS
#include "SCHED/phy_procedures_emos.h"
#endif

#ifdef OPENAIR2
85
#include "otg_tx.h"
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/vars.h"
#ifndef CELLULAR
#include "RRC/LITE/vars.h"
#endif
#include "PHY_INTERFACE/vars.h"
#endif

#ifdef SMBV
#include "PHY/TOOLS/smbv.h"
unsigned short config_frames[4] = {2,9,11,13};
#endif
#include "UTIL/LOG/log_extern.h"
#include "UTIL/OTG/otg.h"
#include "UTIL/OTG/otg_vars.h"
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"

104
105
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
106
# include "create_tasks.h"
107
108
109
# if defined(ENABLE_USE_MME)
#   include "s1ap_eNB.h"
# endif
110
111
#endif

112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
#ifdef XFORMS
#include "PHY/TOOLS/lte_phy_scope.h"
#include "stats.h"
// current status is that every UE has a DL scope for a SINGLE eNB (eNB_id=0)
// at eNB 0, an UL scope for every UE 
FD_lte_phy_scope_ue  *form_ue[NUMBER_OF_UE_MAX];
FD_lte_phy_scope_enb *form_enb[NUMBER_OF_UE_MAX];
FD_stats_form *form_stats=NULL;
char title[255];
unsigned char scope_enb_num_ue = 1;
#endif //XFORMS

#define FRAME_PERIOD 100000000ULL
#define DAQ_PERIOD 66667ULL

#ifdef RTAI
static SEM *mutex;
//static CND *cond;

static int thread0;
static int thread1;
//static int sync_thread;
#else
pthread_t thread0;
pthread_t thread1;
pthread_attr_t attr_dlsch_threads;
struct sched_param sched_param_dlsch;
#endif

141
142
143
pthread_t  thread2; //xforms
pthread_t  thread3; //emos

144
145
146
147
148
149
150
151
152
153
154
155
156
/*
static int instance_cnt=-1; //0 means worker is busy, -1 means its free
int instance_cnt_ptr_kern,*instance_cnt_ptr_user;
int pci_interface_ptr_kern;
*/
//extern unsigned int bigphys_top;
//extern unsigned int mem_base;

int card = 0;
exmimo_config_t *p_exmimo_config;
exmimo_id_t     *p_exmimo_id;
volatile unsigned int *DAQ_MBOX;

157
158
159
#if defined(ENABLE_ITTI)
volatile int start_eNB = 0;
#endif
160
volatile int oai_exit = 0;
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191

//int time_offset[4] = {-138,-138,-138,-138};
//int time_offset[4] = {-145,-145,-145,-145};
int time_offset[4] = {0,0,0,0};

int fs4_test=0;
char UE_flag=0;
u8  eNB_id=0,UE_id=0;

u32 carrier_freq[4]= {1907600000,1907600000,1907600000,1907600000};

struct timing_info_t {
  //unsigned int frame, hw_slot, last_slot, next_slot;
  RTIME time_min, time_max, time_avg, time_last, time_now;
  //unsigned int mbox0, mbox1, mbox2, mbox_target;
  unsigned int n_samples;
} timing_info;

extern s16* sync_corr_ue0;
extern s16 prach_ifft[4][1024*2];


runmode_t mode;
int rx_input_level_dBm;
#ifdef XFORMS
extern int otg_enabled;
#else
int otg_enabled;
#endif
int number_of_cards = 1;

192
193
int mbox_bounds[20] = {8,16,24,30,38,46,54,60,68,76,84,90,98,106,114,120,128,136,144, 0}; ///boundaries of slots in terms ob mbox counter rounded up to even numbers
//int mbox_bounds[20] = {6,14,22,28,36,44,52,58,66,74,82,88,96,104,112,118,126,134,142, 148}; ///boundaries of slots in terms ob mbox counter rounded up to even numbers
194
195
196
197
198
199
200
201
202
203
204
205
206
207

int init_dlsch_threads(void);
void cleanup_dlsch_threads(void);
s32 init_rx_pdsch_thread(void);
void cleanup_rx_pdsch_thread(void);
int init_ulsch_threads(void);
void cleanup_ulsch_threads(void);

LTE_DL_FRAME_PARMS *frame_parms;

void setup_ue_buffers(PHY_VARS_UE *phy_vars_ue, LTE_DL_FRAME_PARMS *frame_parms, int carrier);
void setup_eNB_buffers(PHY_VARS_eNB *phy_vars_eNB, LTE_DL_FRAME_PARMS *frame_parms, int carrier);
void test_config(int card, int ant, unsigned int rf_mode, int UE_flag);

208
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
209
210
211
212
213
214
215
216
{
    return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
    return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
}

217
#if !defined(ENABLE_ITTI)
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
void signal_handler(int sig)
{
  void *array[10];
  size_t size;

  if (sig==SIGSEGV) {
    // get void*'s for all entries on the stack
    size = backtrace(array, 10);
    
    // print out all the frames to stderr
    fprintf(stderr, "Error: signal %d:\n", sig);
    backtrace_symbols_fd(array, size, 2);
    exit(-1);
  }
  else {
233
    oai_exit = 1;
234
235
  }
}
236
#endif
237
238
239

void exit_fun(const char* s)
{
240
241
242
243
244
245
246
247
248
  if (s != NULL) {
    printf("Exiting: %s\n",s);
  }

  oai_exit = 1;

#if defined(ENABLE_ITTI)
  itti_send_terminate_message (TASK_UNKNOWN);
#endif
249
250
251
252
253
254
255
256
257
258
259
260

  //rt_sleep_ns(FRAME_PERIOD);

  //exit (-1);
}

#ifdef XFORMS
void *scope_thread(void *arg) {
    s16 prach_corr[1024], i;
    char stats_buffer[16384];
    //FILE *UE_stats, *eNB_stats;
    int len=0;
261
262
263
264
265
266
    struct sched_param sched_param;

    sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1; 
    sched_setscheduler(0, SCHED_FIFO,&sched_param);

    printf("Scope thread has priority %d\n",sched_param.sched_priority);
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
    
    /*
      if (UE_flag==1) 
      UE_stats  = fopen("UE_stats.txt", "w");
      else 
      eNB_stats = fopen("eNB_stats.txt", "w");
    */
    
    while (!oai_exit) {
        if (UE_flag==1) {
            len = dump_ue_stats (PHY_vars_UE_g[0], stats_buffer, 0, mode,rx_input_level_dBm);
            fl_set_object_label(form_stats->stats_text, stats_buffer);
            //rewind (UE_stats);
            //fwrite (stats_buffer, 1, len, UE_stats);
            
            phy_scope_UE(form_ue[UE_id], 
                         PHY_vars_UE_g[UE_id],
                         eNB_id,
                         UE_id,7);
            
        } else {
            len = dump_eNB_stats (PHY_vars_eNB_g[0], stats_buffer, 0);
            fl_set_object_label(form_stats->stats_text, stats_buffer);
            //rewind (eNB_stats);
            //fwrite (stats_buffer, 1, len, eNB_stats);
            for(UE_id=0;UE_id<scope_enb_num_ue;UE_id++) {
                phy_scope_eNB(form_enb[UE_id], 
                              PHY_vars_eNB_g[eNB_id],
                              UE_id);
            }
              
        }
        //printf("doing forms\n");
        sleep(0.1);
    }
    
    //fclose (UE_stats);
    //fclose (eNB_stats);
    
    pthread_exit((void*)arg);
}
#endif

int dummy_tx_buffer[3840*4] __attribute__((aligned(16)));

#ifdef EMOS
#define NO_ESTIMATES_DISK 100 //No. of estimates that are aquired before dumped to disk

void *emos_thread (void *arg)
{
  char c;
  char *fifo2file_buffer, *fifo2file_ptr;

  int fifo, counter=0, bytes;

  FILE  *dumpfile_id;
  char  dumpfile_name[1024];
  time_t starttime_tmp;
  struct tm starttime;
  
  int channel_buffer_size;
  
  time_t timer;
  struct tm *now;

  struct gps_data_t *gps_data = NULL;
  struct gps_fix_t dummy_gps_data;
334
335
336
337
338
339
340

  struct sched_param sched_param;
  
  sched_param.sched_priority = sched_get_priority_max(SCHED_FIFO)-1; 
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
  
  printf("EMOS thread has priority %d\n",sched_param.sched_priority);
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
 
  timer = time(NULL);
  now = localtime(&timer);

  memset(&dummy_gps_data,1,sizeof(struct gps_fix_t));
  
  gps_data = gps_open("127.0.0.1","2947");
  if (gps_data == NULL) 
    {
      printf("[EMOS] Could not open GPS\n");
      //exit(-1);
    }
#if GPSD_API_MAJOR_VERSION>=4
  else if (gps_stream(gps_data, WATCH_ENABLE,NULL) != 0)
#else
  else if (gps_query(gps_data, "w+x") != 0)
#endif
    {
      //sprintf(tmptxt,"Error sending command to GPS, gps_data = %x", gps_data);
      printf("[EMOS] Error sending command to GPS\n");
      //exit(-1);
    }
363
364
  else 
    printf("[EMOS] Opened GPS, gps_data=%p\n");
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
  
  if (UE_flag==0)
    channel_buffer_size = sizeof(fifo_dump_emos_eNB);
  else
    channel_buffer_size = sizeof(fifo_dump_emos_UE);

  // allocate memory for NO_FRAMES_DISK channes estimations
  fifo2file_buffer = malloc(NO_ESTIMATES_DISK*channel_buffer_size);
  fifo2file_ptr = fifo2file_buffer;

  if (fifo2file_buffer == NULL)
    {
      printf("[EMOS] Cound not allocate memory for fifo2file_buffer\n");
      exit(EXIT_FAILURE);
    }

  if ((fifo = open(CHANSOUNDER_FIFO_DEV, O_RDONLY)) < 0)
    {
      fprintf(stderr, "[EMOS] Error opening the fifo\n");
      exit(EXIT_FAILURE);
    }


  time(&starttime_tmp);
  localtime_r(&starttime_tmp,&starttime);
  snprintf(dumpfile_name,1024,"/tmp/%s_data_%d%02d%02d_%02d%02d%02d.EMOS",
	   (UE_flag==0) ? "eNB" : "UE",
	   1900+starttime.tm_year, starttime.tm_mon+1, starttime.tm_mday, starttime.tm_hour, starttime.tm_min, starttime.tm_sec);

  dumpfile_id = fopen(dumpfile_name,"w");
  if (dumpfile_id == NULL)
    {
      fprintf(stderr, "[EMOS] Error opening dumpfile %s\n",dumpfile_name);
      exit(EXIT_FAILURE);
    }


  printf("[EMOS] starting dump, channel_buffer_size=%d ...\n",channel_buffer_size);
  while (!oai_exit)
    {
      bytes = rtf_read_timed(fifo, fifo2file_ptr, channel_buffer_size,100);
      if (bytes==0)
	continue;

      /*
410
      if (UE_flag==0)
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
	printf("eNB: count %d, frame %d, read: %d bytes from the fifo\n",counter, ((fifo_dump_emos_eNB*)fifo2file_ptr)->frame_tx,bytes);
      else
	printf("UE: count %d, frame %d, read: %d bytes from the fifo\n",counter, ((fifo_dump_emos_UE*)fifo2file_ptr)->frame_rx,bytes);
      */

      fifo2file_ptr += channel_buffer_size;
      counter ++;

      if (counter == NO_ESTIMATES_DISK)
        {
          //reset stuff
          fifo2file_ptr = fifo2file_buffer;
          counter = 0;

          //flush buffer to disk
	  if (UE_flag==0)
	    printf("[EMOS] eNB: count %d, frame %d, flushing buffer to disk\n",
		   counter, ((fifo_dump_emos_eNB*)fifo2file_ptr)->frame_tx);
	  else
	    printf("[EMOS] UE: count %d, frame %d, flushing buffer to disk\n",
		   counter, ((fifo_dump_emos_UE*)fifo2file_ptr)->frame_rx);


          if (fwrite(fifo2file_buffer, sizeof(char), NO_ESTIMATES_DISK*channel_buffer_size, dumpfile_id) != NO_ESTIMATES_DISK*channel_buffer_size)
            {
              fprintf(stderr, "[EMOS] Error writing to dumpfile\n");
              exit(EXIT_FAILURE);
            }
	  if (gps_data)
	    {
	      if (gps_poll(gps_data) != 0) {
		printf("[EMOS] problem polling data from gps\n");
	      }
	      else {
		printf("[EMOS] lat %g, lon %g\n",gps_data->fix.latitude,gps_data->fix.longitude);
	      }
	      if (fwrite(&(gps_data->fix), sizeof(char), sizeof(struct gps_fix_t), dumpfile_id) != sizeof(struct gps_fix_t))
		{
		  printf("[EMOS] Error writing to dumpfile, stopping recording\n");
		  exit(EXIT_FAILURE);
		}
	    }
	  else
	    {
	      printf("[EMOS] WARNING: No GPS data available, storing dummy packet\n");
	      if (fwrite(&(dummy_gps_data), sizeof(char), sizeof(struct gps_fix_t), dumpfile_id) != sizeof(struct gps_fix_t))
		{
		  printf("[EMOS] Error writing to dumpfile, stopping recording\n");
		  exit(EXIT_FAILURE);
		}
	    } 
        }
    }
  
  free(fifo2file_buffer);
  fclose(dumpfile_id);
  close(fifo);
  
  pthread_exit((void*) arg);

}
#endif

474
#if defined(ENABLE_ITTI)
475
void *l2l1_task(void *arg)
476
{
477
478
    MessageDef *message_p = NULL;

479
    itti_set_task_real_time(TASK_L2L1);
480
481
    itti_mark_task_ready(TASK_L2L1);

482
483
484
485
    if (UE_flag == 0) {
      /* Wait for the initialize message */
      do {
        if (message_p != NULL) {
486
          itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
487
488
        }
        itti_receive_msg (TASK_L2L1, &message_p);
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504

        switch (ITTI_MSG_ID(message_p)) {
          case INITIALIZE_MESSAGE:
            /* Start eNB thread */
            start_eNB = 1;
            break;

          case TERMINATE_MESSAGE:
            oai_exit=1;
            itti_exit_task ();
            break;

          default:
            LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
            break;
        }
505
      } while (ITTI_MSG_ID(message_p) != INITIALIZE_MESSAGE);
506
      itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
507
508
    }

509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
    do {
      // Wait for a message
      itti_receive_msg (TASK_L2L1, &message_p);

      switch (ITTI_MSG_ID(message_p)) {
        case TERMINATE_MESSAGE:
          oai_exit=1;
          itti_exit_task ();
          break;

        case MESSAGE_TEST:
          LOG_I(EMU, "Received %s\n", ITTI_MSG_NAME(message_p));
          break;

        default:
          LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
          break;
      }

528
      itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
529
530
    } while(1);

531
532
533
534
    return NULL;
}
#endif

535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
/* This is the main eNB thread. It gets woken up by the kernel driver using the RTAI message mechanism (rt_send and rt_receive). */
static void *eNB_thread(void *arg)
{
#ifdef RTAI
  RT_TASK *task;
#endif
  unsigned char slot=0,last_slot, next_slot;
  int hw_slot,frame=0;
  unsigned int aa,slot_offset, slot_offset_F;
  int diff;
  int delay_cnt;
  RTIME time_in, time_diff;
  int mbox_target=0,mbox_current=0;
  int i,ret;
  int tx_offset;

551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
#if defined(ENABLE_ITTI)
  /* Wait for eNB application initialization to be complete (eNB registration to MME) */
  {
    char *indicator[] = {".  ", ".. ", "...", " ..", "  .", "   "};
    int i = 0;

    while ((!oai_exit) && (start_eNB == 0)) {
      LOG_D(HW,"Waiting for eNB application to be ready %s\r", indicator[i]);
      i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
      usleep(200000);
    }
    LOG_D(HW,"\n");
  }
#endif

566
#ifdef RTAI
567
568
569
570
571
572
    task = rt_task_init_schmod(nam2num("TASK0"), 0, 0, 0, SCHED_FIFO, 0xF);
#endif

  if (!oai_exit) {
#ifdef RTAI
    LOG_D(HW,"Started eNB thread (id %p)\n",task);
573
574
575
#endif

#ifdef HARD_RT
576
    rt_make_hard_real_time();
577
578
#endif

579
    mlockall(MCL_CURRENT | MCL_FUTURE);
580

581
582
583
584
    timing_info.time_min = 100000000ULL;
    timing_info.time_max = 0;
    timing_info.time_avg = 0;
    timing_info.n_samples = 0;
585

586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
    while (!oai_exit)
      {
        hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
        //LOG_D(HW,"eNB frame %d, time %llu: slot %d, hw_slot %d (mbox %d)\n",frame,rt_get_time_ns(),slot,hw_slot,((unsigned int *)DAQ_MBOX)[0]);
        //this is the mbox counter where we should be
        //mbox_target = ((((slot+1)%20)*15+1)>>1)%150;
        mbox_target = mbox_bounds[slot];
        //this is the mbox counter where we are
        mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
        //this is the time we need to sleep in order to synchronize with the hw (in multiples of DAQ_PERIOD)
        if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
            diff = 150-mbox_current+mbox_target;
        else if ((mbox_current<15) && (mbox_target>=135))
            diff = -150+mbox_target-mbox_current;
        else
            diff = mbox_target - mbox_current;

        if (((slot%2==0) && (diff < (-14))) || ((slot%2==1) && (diff < (-7)))) {
          // at the eNB, even slots have double as much time since most of the processing is done here and almost nothing in odd slots
          LOG_D(HW,"eNB Frame %d, time %llu: missed slot, proceeding with next one (slot %d, hw_slot %d, diff %d)\n",frame, rt_get_time_ns(), slot, hw_slot, diff);
          slot++;
          if (frame > 0) {
winckel's avatar
winckel committed
608
            exit_fun("[HW][eNB] missed slot");
609
610
611
612
613
614
          }
          if (slot==20){
            slot=0;
            frame++;
          }
          continue;
615
        }
616
617
        if (diff>8)
            LOG_D(HW,"eNB Frame %d, time %llu: skipped slot, waiting for hw to catch up (slot %d, hw_slot %d, mbox_current %d, mbox_target %d, diff %d)\n",frame, rt_get_time_ns(), slot, hw_slot, mbox_current, mbox_target, diff);
618

619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
        delay_cnt = 0;
        while ((diff>0) && (!oai_exit))
          {
            time_in = rt_get_time_ns();
            //LOG_D(HW,"eNB Frame %d delaycnt %d : hw_slot %d (%d), slot %d, (slot+1)*15=%d, diff %d, time %llu\n",frame,delay_cnt,hw_slot,((unsigned int *)DAQ_MBOX)[0],slot,(((slot+1)*15)>>1),diff,time_in);
            //LOG_D(HW,"eNB Frame %d, time %llu: sleeping for %llu (slot %d, hw_slot %d, diff %d, mbox %d, delay_cnt %d)\n", frame, time_in, diff*DAQ_PERIOD,slot,hw_slot,diff,((volatile unsigned int *)DAQ_MBOX)[0],delay_cnt);
            ret = rt_sleep_ns(diff*DAQ_PERIOD);
            if (ret)
              LOG_D(HW,"eNB Frame %d, time %llu: rt_sleep_ns returned %d\n",frame, time_in);
            hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
            //LOG_D(HW,"eNB Frame %d : hw_slot %d, time %llu\n",frame,hw_slot,rt_get_time_ns());
            delay_cnt++;
            if (delay_cnt == 10)
              {
                LOG_D(HW,"eNB Frame %d: HW stopped ... \n",frame);
winckel's avatar
winckel committed
634
                exit_fun("[HW][eNB] HW stopped");
635
636
637
638
639
640
641
642
643
              }
            mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
            if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
              diff = 150-mbox_current+mbox_target;
            else if ((mbox_current<15) && (mbox_target>=135))
              diff = -150+mbox_target-mbox_current;
            else
              diff = mbox_target - mbox_current;
          }
644

645
646
647
648
        last_slot = (slot)%LTE_SLOTS_PER_FRAME;
        if (last_slot <0)
          last_slot+=20;
        next_slot = (slot+3)%LTE_SLOTS_PER_FRAME;
649

650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
        //PHY_vars_eNB_g[0]->frame = frame;
        if (frame>5)
          {
            /*
            if (frame%100==0)
              LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d, next_slot %d (before): DAQ_MBOX %d\n",frame, PHY_vars_eNB_g[0]->frame, slot, hw_slot,next_slot,DAQ_MBOX[0]);
            */

            //if (PHY_vars_eNB_g[0]->frame>5) {
              timing_info.time_last = timing_info.time_now;
              timing_info.time_now = rt_get_time_ns();

              if (timing_info.n_samples>0) {
                time_diff = timing_info.time_now - timing_info.time_last;
                if (time_diff < timing_info.time_min)
                  timing_info.time_min = time_diff;
                if (time_diff > timing_info.time_max)
                  timing_info.time_max = time_diff;
                timing_info.time_avg += time_diff;
              }
670

671
672
673
674
675
676
677
678
679
680
681
              timing_info.n_samples++;
              /*
              if ((timing_info.n_samples%2000)==0) {
                LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d: diff=%llu, min=%llu, max=%llu, avg=%llu (n_samples %d)\n",
                      frame, PHY_vars_eNB_g[0]->frame, slot, hw_slot,time_diff,
                      timing_info.time_min,timing_info.time_max,timing_info.time_avg/timing_info.n_samples,timing_info.n_samples);
                timing_info.n_samples = 0;
                timing_info.time_avg = 0;
              }
              */
              //}
682

683
684
685
            if (fs4_test==0)
              {
                phy_procedures_eNB_lte (last_slot, next_slot, PHY_vars_eNB_g[0], 0, no_relay,NULL);
686
#ifndef IFFT_FPGA
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
                slot_offset_F = (next_slot)*
                                (PHY_vars_eNB_g[0]->lte_frame_parms.ofdm_symbol_size)*
                                ((PHY_vars_eNB_g[0]->lte_frame_parms.Ncp==1) ? 6 : 7);
                slot_offset = (next_slot)*
                              (PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti>>1);
                if ((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,next_slot>>1)==SF_DL)||
                    ((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,next_slot>>1)==SF_S)&&((next_slot&1)==0)))
                  {
                    //	  LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);

                    for (aa=0; aa<PHY_vars_eNB_g[0]->lte_frame_parms.nb_antennas_tx; aa++)
                      {
                        if (PHY_vars_eNB_g[0]->lte_frame_parms.Ncp == 1)
                          {
                            PHY_ofdm_mod(&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
702
#ifdef BIT8_TX
703
                                         &PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset>>1],
704
#else
705
                                         dummy_tx_buffer,//&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
706
#endif
707
708
709
710
711
712
713
714
715
716
                                         PHY_vars_eNB_g[0]->lte_frame_parms.log2_symbol_size,
                                         6,
                                         PHY_vars_eNB_g[0]->lte_frame_parms.nb_prefix_samples,
                                         PHY_vars_eNB_g[0]->lte_frame_parms.twiddle_ifft,
                                         PHY_vars_eNB_g[0]->lte_frame_parms.rev,
                                         CYCLIC_PREFIX);
                          }
                        else
                          {
                            normal_prefix_mod(&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
717
#ifdef BIT8_TX
718
                                              &PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset>>1],
719
#else
720
                                              dummy_tx_buffer,//&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
721
#endif
722
723
724
                                              7,
                                              &(PHY_vars_eNB_g[0]->lte_frame_parms));
                          }
725
#ifdef EXMIMO
726
727
728
729
730
731
732
733
734
735
736
737
                        for (i=0; i<PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti/2; i++)
                          {
                            tx_offset = (int)slot_offset+time_offset[aa]+i;
                            if (tx_offset<0)
                              tx_offset += LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti;
                            if (tx_offset>=(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti))
                              tx_offset -= LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti;
                            ((short*)&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][tx_offset])[0]=
                              ((short*)dummy_tx_buffer)[2*i]<<4;
                            ((short*)&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1]=
                              ((short*)dummy_tx_buffer)[2*i+1]<<4;
                          }
738
#endif //EXMIMO
739
740
741
                      }
                  }
              }
742
743

#endif //IFFT_FPGA
744
745
746
747
748
            /*
            if (frame%100==0)
              LOG_D(HW,"hw_slot %d (after): DAQ_MBOX %d\n",hw_slot,DAQ_MBOX[0]);
            */
          }
749

750
751
752
753
        /*
        if ((slot%2000)<10)
        LOG_D(HW,"fun0: doing very hard work\n");
        */
754

755
756
757
758
759
        slot++;
        if (slot==20) {
          slot=0;
          frame++;
        }
760
#if defined(ENABLE_ITTI)
761
        itti_update_lte_time(frame, slot);
762
#endif
763
      }
764

765
      LOG_D(HW,"eNB_thread: finished, ran %d times.\n",frame);
766
767

#ifdef HARD_RT
768
      rt_make_soft_real_time();
769
#endif
770
  }
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785

  // clean task
#ifdef RTAI
  rt_task_delete(task);
#endif
  LOG_D(HW,"Task deleted. returning\n");
  return 0;
}

/* This is the main UE thread. Initially it is doing a periodic get_frame. One synchronized it gets woken up by the kernel driver using the RTAI message mechanism (rt_send and rt_receive). */
static void *UE_thread(void *arg)
{
#ifdef RTAI
  RT_TASK *task;
#endif
786
  // RTIME in, out, diff;
787
  int slot=0,frame=0,hw_slot,last_slot, next_slot;
788
  // unsigned int aa;
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
  static int is_synchronized = 0;
  int delay_cnt;
  RTIME time_in;
  int hw_slot_offset=0,rx_offset_mbox=0,mbox_target=0,mbox_current=0;
  int diff2;
  int i, ret;

#ifdef RTAI
  task = rt_task_init_schmod(nam2num("TASK0"), 0, 0, 0, SCHED_FIFO, 0xF);
  LOG_D(HW,"Started UE thread (id %p)\n",task);
#endif

#ifdef HARD_RT
  rt_make_hard_real_time();
#endif

  mlockall(MCL_CURRENT | MCL_FUTURE);

  openair_daq_vars.freq_offset = 0; //-7500;
  /*
  if (mode == rx_calib_ue) {
    openair_daq_vars.freq_offset = -7500;
    for (i=0; i<4; i++) {
        p_exmimo_config->rf.rf_freq_rx[i] = p_exmimo_config->rf.rf_freq_rx[i]+openair_daq_vars.freq_offset;
        p_exmimo_config->rf.rf_freq_tx[i] = p_exmimo_config->rf.rf_freq_rx[i]+openair_daq_vars.freq_offset;
    }
    openair0_dump_config(card);
  }
  */
  while (!oai_exit)
    {
      hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15; //the slot the hw is about to store
      
      if (is_synchronized) {
winckel's avatar
winckel committed
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
        //this is the mbox counter that indicates the start of the frame
        rx_offset_mbox = (PHY_vars_UE_g[0]->rx_offset * 150) / (10*PHY_vars_UE_g[0]->lte_frame_parms.samples_per_tti);
        //this is the mbox counter where we should be
        mbox_target = (((((slot+1)%20)*15+1)>>1) + rx_offset_mbox + 1)%150;
        // round up to the next multiple of two (mbox counter from express MIMO gives only even numbers)
        mbox_target = ((mbox_target+1)-((mbox_target-1)%2))%150;
        //this is the mbox counter where we are
        mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
        //this is the time we need to sleep in order to synchronize with the hw (in multiples of DAQ_PERIOD)
        if ((mbox_current>=120) && (mbox_target<30)) //handle the frame wrap-arround
          diff2 = 150-mbox_current+mbox_target;
        else if ((mbox_current<30) && (mbox_target>=120))
          diff2 = -150+mbox_target-mbox_current;
        else
          diff2 = mbox_target - mbox_current;

        if (diff2 <(-7)) {
          LOG_D(HW,"UE Frame %d: missed slot, proceeding with next one (slot %d, hw_slot %d, diff %d)\n",frame, slot, hw_slot, diff2);
          if (frame>0)
            exit_fun("[HW][UE] missed slot");
          slot++;
          if (slot==20) {
            slot=0;
            frame++;
          }
          continue;
        }
        if (diff2>8)
          LOG_D(HW,"UE Frame %d: skipped slot, waiting for hw to catch up (slot %d, hw_slot %d, mbox_current %d, mbox_target %d, diff %d)\n",frame, slot, hw_slot, mbox_current, mbox_target, diff2);

        /*
          if (frame%100==0)
          LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d, rx_offset_mbox %d, mbox_target %d, mbox_current %d, diff %d\n",frame, PHY_vars_UE_g[0]->frame, slot,hw_slot,rx_offset_mbox,mbox_target,mbox_current,diff2);
        */
        vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_DAQ_MBOX, *((volatile unsigned int *) openair0_exmimo_pci[card].rxcnt_ptr[0]));
        vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_DIFF, diff2);

        delay_cnt = 0;
        while ((diff2>0) && (!oai_exit) && (is_synchronized) )
          {
            time_in = rt_get_time_ns();
            //LOG_D(HW,"eNB Frame %d delaycnt %d : hw_slot %d (%d), slot %d (%d), diff %d, time %llu\n",frame,delay_cnt,hw_slot,((volatile unsigned int *)DAQ_MBOX)[0],slot,mbox_target,diff2,time_in);
            vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_RT_SLEEP,1);
            ret = rt_sleep_ns(diff2*DAQ_PERIOD);
            vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_RT_SLEEP,0);
            if (ret)
              LOG_D(HW,"eNB Frame %d, time %llu: rt_sleep_ns returned %d\n",frame, time_in);

            hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
            //LOG_D(HW,"eNB Frame %d : hw_slot %d, time %llu\n",frame,hw_slot,rt_get_time_ns());
            delay_cnt++;
            if (delay_cnt == 30)
              {
                LOG_D(HW,"UE frame %d: HW stopped ... \n",frame);
                exit_fun("[HW][UE] HW stopped");
              }
            mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
            if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
              diff2 = 150-mbox_current+mbox_target;
            else if ((mbox_current<15) && (mbox_target>=135))
              diff2 = -150+mbox_target-mbox_current;
            else
              diff2 = mbox_target - mbox_current;

            vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_DAQ_MBOX, *((volatile unsigned int *) openair0_exmimo_pci[card].rxcnt_ptr[0]));
            vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_DIFF, diff2);
          }
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
	
      }

      last_slot = (slot)%LTE_SLOTS_PER_FRAME;
      if (last_slot <0)
        last_slot+=LTE_SLOTS_PER_FRAME;
      next_slot = (slot+3)%LTE_SLOTS_PER_FRAME;

      if (is_synchronized)
        {

	  /*
          if (frame%100==0)
            LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d, last_slot %d (before): DAQ_MBOX %d\n",frame, PHY_vars_UE_g[0]->frame, slot,hw_slot,last_slot,DAQ_MBOX[0]);
	  */

906
          // in = rt_get_time_ns();
907
          phy_procedures_UE_lte (last_slot, next_slot, PHY_vars_UE_g[0], 0, 0,mode,0,NULL);
908
909
          // out = rt_get_time_ns();
          // diff = out-in;
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943

	  /*
          if (frame % 100 == 0)
            LOG_D(HW,"hw_slot %d (after): DAQ_MBOX %d\n",hw_slot,DAQ_MBOX[0]);
	  
            LOG_D(HW,"Frame %d: last_slot %d, phy_procedures_lte_ue time_in %llu, time_out %llu, diff %llu\n",
                      frame, last_slot,in,out,diff);
	  */

        }
      else   // we are not yet synchronized
        {
          hw_slot_offset = 0;

          slot = 0;
          openair0_get_frame(card);
          //          LOG_D(HW,"after get_frame\n");
          //          rt_sleep_ns(FRAME_PERIOD);
          //          LOG_D(HW,"after sleep\n");

          if (initial_sync(PHY_vars_UE_g[0],mode)==0) {
              /*
              lte_adjust_synch(&PHY_vars_UE_g[0]->lte_frame_parms,
                   PHY_vars_UE_g[0],
                   0,
                   1,
                   16384);
              */
              //for better visualization afterwards
              /*
              for (aa=0; aa<PHY_vars_UE_g[0]->lte_frame_parms.nb_antennas_rx; aa++)
              memset(PHY_vars_UE_g[0]->lte_ue_common_vars.rxdata[aa],0,
                 PHY_vars_UE_g[0]->lte_frame_parms.samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*sizeof(int));
              */
944
            if (mode == rx_calib_ue) {
winckel's avatar
winckel committed
945
                exit_fun("[HW][UE] UE in RX calibration mode");
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
              }
              else {
                is_synchronized = 1;
                //start the DMA transfers
                //LOG_D(HW,"Before openair0_start_rt_acquisition \n");
                openair0_start_rt_acquisition(card);

                hw_slot_offset = (PHY_vars_UE_g[0]->rx_offset<<1) / PHY_vars_UE_g[0]->lte_frame_parms.samples_per_tti;
                LOG_D(HW,"Got synch: hw_slot_offset %d\n",hw_slot_offset);
              }
          }
          else {
            if (openair_daq_vars.freq_offset >= 0) {
              openair_daq_vars.freq_offset += 100;
              openair_daq_vars.freq_offset *= -1;
            }
            else {
              openair_daq_vars.freq_offset *= -1;
            }
            if (abs(openair_daq_vars.freq_offset) > 7500) {
              LOG_I(PHY,"[initial_sync] No cell synchronization found, abondoning\n");
              mac_xface->macphy_exit("");
            }
            else {
              LOG_I(PHY,"[initial_sync] trying carrier off %d Hz\n",openair_daq_vars.freq_offset);
              for (i=0; i<4; i++) {
                if (p_exmimo_config->rf.rf_freq_rx[i])
                  p_exmimo_config->rf.rf_freq_rx[i] = carrier_freq[i]+openair_daq_vars.freq_offset;
                if (p_exmimo_config->rf.rf_freq_tx[i])
                  p_exmimo_config->rf.rf_freq_tx[i] = carrier_freq[i]+openair_daq_vars.freq_offset;
              }
              openair0_dump_config(card);
              rt_sleep_ns(FRAME_PERIOD);
            }
          }
981
982
983
984
985
986
987
988
989
990
991
        }

      /*
      if ((slot%2000)<10)
        LOG_D(HW,"fun0: doing very hard work\n");
      */
      slot++;
      if (slot==20) {
          slot=0;
          frame++;
      }
992
993
994
#if defined(ENABLE_ITTI)
      itti_update_lte_time(frame, slot);
#endif
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
    }
  LOG_D(HW,"UE_thread: finished, ran %d times.\n",frame);

#ifdef HARD_RT
  rt_make_soft_real_time();
#endif

  // clean task
#ifdef RTAI
  rt_task_delete(task);
#endif
  LOG_D(HW,"Task deleted. returning\n");
  return 0;
}

int main(int argc, char **argv) {

#ifdef RTAI
1013
  // RT_TASK *task;
1014
1015
#endif
  int i,j,aa;
1016
#if defined (XFORMS) || defined (EMOS) || (! defined (RTAI))
1017
  void *status;
1018
#endif
1019
1020
1021
1022
1023
1024
1025

  /*
  u32 rf_mode_max[4]     = {55759,55759,55759,55759};
  u32 rf_mode_med[4]     = {39375,39375,39375,39375};
  u32 rf_mode_byp[4]     = {22991,22991,22991,22991};
  */
  u32 my_rf_mode = RXEN + TXEN + TXLPFNORM + TXLPFEN + TXLPF25 + RXLPFNORM + RXLPFEN + RXLPF25 + LNA1ON +LNAMax + RFBBNORM + DMAMODE_RX + DMAMODE_TX;
1026
1027
  u32 rf_mode_base = TXLPFNORM + TXLPFEN + TXLPF25 + RXLPFNORM + RXLPFEN + RXLPF25 + LNA1ON +LNAMax + RFBBNORM;
  u32 rf_mode[4]     = {my_rf_mode,0,0,0};
1028
1029
1030
1031
1032
1033
1034
1035
  u32 rf_local[4]    = {8255000,8255000,8255000,8255000}; // UE zepto
    //{8254617, 8254617, 8254617, 8254617}; //eNB khalifa
    //{8255067,8254810,8257340,8257340}; // eNB PETRONAS

  u32 rf_vcocal[4]   = {910,910,910,910};
  u32 rf_vcocal_850[4] = {2015, 2015, 2015, 2015};
  u32 rf_rxdc[4]     = {32896,32896,32896,32896};
  u32 rxgain[4]      = {20,20,20,20};
1036
  u32 txgain[4]      = {20,20,20,20};
1037
1038
1039

  u16 Nid_cell = 0;
  u8  cooperation_flag=0, transmission_mode=1, abstraction_flag=0;
1040
#ifndef OPENAIR2
1041
  u8 beta_ACK=0,beta_RI=0,beta_CQI=2;
1042
#endif
1043
1044

  int c;
1045
#ifdef XFORMS
1046
  char do_forms=0;
1047
1048
#endif
#ifdef ENABLE_TCXO
1049
  unsigned int tcxo = 114;
1050
#endif
1051
1052

  int amp;
1053
1054
  // u8 prach_fmt;
  // int N_ZC;
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069

  char rxg_fname[100];
  char txg_fname[100];
  char rflo_fname[100];
  char rfdc_fname[100];
  FILE *rxg_fd=NULL;
  FILE *txg_fd=NULL;
  FILE *rflo_fd=NULL;
  FILE *rfdc_fd=NULL;
  unsigned int rxg_max[4]={133,133,133,133}, rxg_med[4]={127,127,127,127}, rxg_byp[4]={120,120,120,120};
  int tx_max_power=0;

  char line[1000];
  int l;
  int ret, ant;
1070
  int ant_offset=0;
1071

1072
#if defined (EMOS) || (! defined (RTAI))
1073
  int error_code;
1074
#endif
1075
  char *itti_dump_file = NULL;
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087

  const struct option long_options[] = {
    {"calib-ue-rx", required_argument, NULL, 256},
    {"calib-ue-rx-med", required_argument, NULL, 257},
    {"calib-ue-rx-byp", required_argument, NULL, 258},
    {"debug-ue-prach", no_argument, NULL, 259},
    {"no-L2-connect", no_argument, NULL, 260},
    {NULL, 0, NULL, 0}};

  mode = normal_txrx;


1088
  while ((c = getopt_long (argc, argv, "C:K:O:ST:UdF:V",long_options,NULL)) != -1)
1089
1090
1091
1092
1093
1094
1095
    {
      switch (c)
        {
	case 'V':
          ouput_vcd = 1;
	  break;
        case 'd':
1096
#ifdef XFORMS
1097
          do_forms=1;
1098
#endif
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
          break;
        case 'U':
          UE_flag = 1;
          break;
        case 'C':
          carrier_freq[0] = atoi(optarg);
          carrier_freq[1] = atoi(optarg);
          carrier_freq[2] = atoi(optarg);
          carrier_freq[3] = atoi(optarg);
          break;
        case 'S':
          fs4_test=1;
          break;
        case 'T':
1113
#ifdef ENABLE_TCXO
1114
          tcxo=atoi(optarg);
1115
#endif
1116
          break;
1117
1118
1119
1120
1121
1122
1123
        case 'K':
#if defined(ENABLE_ITTI)
          itti_dump_file = strdup(optarg);
#else
          printf("-K option is disabled when ENABLE_ITTI is not defined\n");
#endif
          break;
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
        case 'O':
#if defined(ENABLE_USE_MME)
          EPC_MODE_ENABLED = 1;
          if (optarg == NULL) /* No IP address provided: use localhost */
          {
            memcpy(&EPC_MODE_MME_ADDRESS[0], "127.0.0.1", 10);
          } else {
            u8 ip_length = strlen(optarg) + 1;
            memcpy(&EPC_MODE_MME_ADDRESS[0], optarg,
            ip_length > 16 ? 16 : ip_length);
          }
#else
          printf("You enabled mme mode without s1ap compiled...\n");
#endif
          break;
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
	case 'F':
	  sprintf(rxg_fname,"%srxg.lime",optarg);
	  rxg_fd = fopen(rxg_fname,"r");
	  if (rxg_fd) {
	    printf("Loading RX Gain parameters from %s\n",rxg_fname);
	    l=0;
	    while (fgets(line, sizeof(line), rxg_fd)) {
	      if ((strlen(line)==0) || (*line == '#')) continue; //ignore empty or comment lines
	      else {
		if (l==0) sscanf(line,"%d %d %d %d",&rxg_max[0],&rxg_max[1],&rxg_max[2],&rxg_max[3]);
		if (l==1) sscanf(line,"%d %d %d %d",&rxg_med[0],&rxg_med[1],&rxg_med[2],&rxg_med[3]);
		if (l==2) sscanf(line,"%d %d %d %d",&rxg_byp[0],&rxg_byp[1],&rxg_byp[2],&rxg_byp[3]);
		l++;
	      }
	    }
	  }
	  else 
	    printf("%s not found, running with defaults\n",rxg_fname);

	  sprintf(txg_fname,"%stxg.lime",optarg);
	  txg_fd = fopen(txg_fname,"r");
	  if (txg_fd) {
	    printf("Loading TX Gain parameters from %s\n",txg_fname);
	    l=0;
	    while (fgets(line, sizeof(line), txg_fd)) {
	      if ((strlen(line)==0) || (*line == '#')) {
		continue; //ignore empty or comment lines
	      }
	      else {
		if (l==0) sscanf(line,"%d %d %d %d",&txgain[0],&txgain[1],&txgain[2],&txgain[3]);
		if (l==1) sscanf(line,"%d",&tx_max_power);
		l++;
	      }
	    }
	  }
	  else 
	    printf("%s not found, running with defaults\n",txg_fname);

	  sprintf(rflo_fname,"%srflo.lime",optarg);
	  rflo_fd = fopen(rflo_fname,"r");
	  if (rflo_fd) {
	    printf("Loading RF LO parameters from %s\n",rflo_fname);
1181
1182
	    if (fscanf(rflo_fd,"%d %d %d %d",&rf_local[0],&rf_local[1],&rf_local[2],&rf_local[3]) < 4)
              LOG_E(EMU, "Error parsing \"%s\"", rflo_fname);
1183
1184
1185
1186
1187
1188
1189
1190
	  }
	  else 
	    printf("%s not found, running with defaults\n",rflo_fname);

	  sprintf(rfdc_fname,"%srfdc.lime",optarg);
	  rfdc_fd = fopen(rfdc_fname,"r");
	  if (rfdc_fd) {
	    printf("Loading RF DC parameters from %s\n",rfdc_fname);
1191
1192
	    if (fscanf(rfdc_fd,"%d %d %d %d",&rf_rxdc[0],&rf_rxdc[1],&rf_rxdc[2],&rf_rxdc[3]) < 4)
	      LOG_E(EMU, "Error parsing \"%s\"", rfdc_fname);
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
	  }
	  else 
	    printf("%s not found, running with defaults\n",rfdc_fname);

	  break;
	case 256:
	  mode = rx_calib_ue;
	  rx_input_level_dBm = atoi(optarg);
	  printf("Running with UE calibration on (LNA max), input level %d dBm\n",rx_input_level_dBm);
	  break;
	case 257:
	  mode = rx_calib_ue_med;
	  rx_input_level_dBm = atoi(optarg);
	  printf("Running with UE calibration on (LNA med), input level %d dBm\n",rx_input_level_dBm);
	  break;
	case 258:
	  mode = rx_calib_ue_byp;
	  rx_input_level_dBm = atoi(optarg);
	  printf("Running with UE calibration on (LNA byp), input level %d dBm\n",rx_input_level_dBm);
	  break;
	case 259:
	  mode = debug_prach;
	  break;
	case 260:
	  mode = no_L2_connect;
	  break;
        default:
          break;
        }
    }

  if (UE_flag==1)
    printf("configuring for UE\n");
  else
    printf("configuring for eNB\n");

  //randominit (0);
  set_taus_seed (0);

  // initialize the log (see log.h for details)
  logInit();

1235
1236
1237
1238
1239
1240
1241
  if (ouput_vcd) {
    if (UE_flag==1)
      vcd_signal_dumper_init("/tmp/openair_dump_UE.vcd");
    else
      vcd_signal_dumper_init("/tmp/openair_dump_eNB.vcd");
  }

1242
1243
1244
1245
1246
1247
1248
1249
#if defined(ENABLE_ITTI)
  if (UE_flag == 1) {
    log_set_instance_type (LOG_INSTANCE_UE);
  }
  else {
    log_set_instance_type (LOG_INSTANCE_ENB);
  }

1250
1251
1252
  itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info, messages_definition_xml, itti_dump_file);
#endif

1253
1254
1255
1256
#ifdef NAS_NETLINK
  netlink_init();
#endif

1257
#if !defined(ENABLE_ITTI)
1258
1259
1260
  // to make a graceful exit when ctrl-c is pressed
  signal(SIGSEGV, signal_handler);
  signal(SIGINT, signal_handler);
1261
#endif
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274

#ifndef RTAI
  check_clock();
#endif

  // init the parameters
  frame_parms = (LTE_DL_FRAME_PARMS*) malloc(sizeof(LTE_DL_FRAME_PARMS));
  frame_parms->N_RB_DL            = 25;
  frame_parms->N_RB_UL            = 25;
  frame_parms->Ncp                = 0;
  frame_parms->Ncp_UL             = 0;
  frame_parms->Nid_cell           = Nid_cell;
  frame_parms->nushift            = 0;
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
  if (UE_flag==0) {
    switch (transmission_mode) {
    case 1: 
      frame_parms->nb_antennas_tx     = 1;
      frame_parms->nb_antennas_rx     = 1;
      break;
    case 2:
    case 5:
    case 6:
      frame_parms->nb_antennas_tx     = 2;
1285
      frame_parms->nb_antennas_rx     = 2;
1286
1287
1288
1289
1290
1291
1292
1293
      break;
    default:
      printf("Unsupported transmission mode %d\n",transmission_mode);
      exit(-1);
    }
  }
  else { //UE_flag==1
    frame_parms->nb_antennas_tx     = 1;
1294
    frame_parms->nb_antennas_rx     = 1;
1295
1296
  }
  frame_parms->nb_antennas_tx_eNB = (transmission_mode == 1) ? 1 : 2; //initial value overwritten by initial sync later
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
  frame_parms->mode1_flag         = (transmission_mode == 1) ? 1 : 0;
  frame_parms->frame_type         = 1;
  frame_parms->tdd_config         = 3;
  frame_parms->tdd_config_S       = 0;
  frame_parms->phich_config_common.phich_resource = oneSixth;
  frame_parms->phich_config_common.phich_duration = normal;
  // UL RS Config
  frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = 0;//n_DMRS1 set to 0
  frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 0;
  frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0;
  frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0;
  init_ul_hopping(frame_parms);

  init_frame_parms(frame_parms,1);

  phy_init_top(frame_parms);
  phy_init_lte_top(frame_parms);

  //init prach for openair1 test
  frame_parms->prach_config_common.rootSequenceIndex=22; 
  frame_parms->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=1;
  frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=0; 
  frame_parms->prach_config_common.prach_ConfigInfo.highSpeedFlag=0;
  frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset=0;
1321
1322
  // prach_fmt = get_prach_fmt(frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex, frame_parms->frame_type);
  // N_ZC = (prach_fmt <4)?839:139;
1323
1324

  if (UE_flag==1) {
1325
1326
    g_log->log_component[HW].level = LOG_DEBUG;
    g_log->log_component[HW].flag  = LOG_HIGH;
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
#ifdef OPENAIR2
    g_log->log_component[PHY].level = LOG_INFO;
#else
    g_log->log_component[PHY].level = LOG_INFO;
#endif
    g_log->log_component[PHY].flag  = LOG_HIGH;
    g_log->log_component[MAC].level = LOG_INFO;
    g_log->log_component[MAC].flag  = LOG_HIGH;
    g_log->log_component[RLC].level = LOG_INFO;
    g_log->log_component[RLC].flag  = LOG_HIGH;
    g_log->log_component[PDCP].level = LOG_INFO;
    g_log->log_component[PDCP].flag  = LOG_HIGH;
    g_log->log_component[OTG].level = LOG_INFO;
    g_log->log_component[OTG].flag  = LOG_HIGH;
    g_log->log_component[RRC].level = LOG_INFO;
    g_log->log_component[RRC].flag  = LOG_HIGH;

    PHY_vars_UE_g = malloc(sizeof(PHY_VARS_UE*));
    PHY_vars_UE_g[0] = init_lte_UE(frame_parms, UE_id,abstraction_flag,transmission_mode);
    
#ifndef OPENAIR2
    for (i=0;i<NUMBER_OF_eNB_MAX;i++) {
      PHY_vars_UE_g[0]->pusch_config_dedicated[i].betaOffset_ACK_Index = beta_ACK;
      PHY_vars_UE_g[0]->pusch_config_dedicated[i].betaOffset_RI_Index  = beta_RI;
      PHY_vars_UE_g[0]->pusch_config_dedicated[i].betaOffset_CQI_Index = beta_CQI;

      PHY_vars_UE_g[0]->scheduling_request_config[i].sr_PUCCH_ResourceIndex = UE_id;
      PHY_vars_UE_g[0]->scheduling_request_config[i].sr_ConfigIndex = 7+(UE_id%3);
      PHY_vars_UE_g[0]->scheduling_request_config[i].dsr_TransMax = sr_n4;
    }
#endif
    
    compute_prach_seq(&PHY_vars_UE_g[0]->lte_frame_parms.prach_config_common,
winckel's avatar
winckel committed
1360
1361
                      PHY_vars_UE_g[0]->lte_frame_parms.frame_type,
                      PHY_vars_UE_g[0]->X_u);
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371

    PHY_vars_UE_g[0]->lte_ue_pdcch_vars[0]->crnti = 0x1234;
#ifndef OPENAIR2
    PHY_vars_UE_g[0]->lte_ue_pdcch_vars[0]->crnti = 0x1235;
#endif
    NB_UE_INST=1;
    NB_INST=1;
    
    openair_daq_vars.manual_timing_advance = 0;
    //openair_daq_vars.timing_advance = TIMING_ADVANCE_HW;
1372
    openair_daq_vars.rx_gain_mode = DAQ_AGC_ON;
1373
    openair_daq_vars.auto_freq_correction = 0;
1374
    openair_daq_vars.use_ia_receiver = 0;
1375
1376

    // if AGC is off, the following values will be used
1377
1378
    for (i=0;i<4;i++) 
      rxgain[i] = 0;
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389

    for (i=0;i<4;i++) {
      PHY_vars_UE_g[0]->rx_gain_max[i] = rxg_max[i];
      PHY_vars_UE_g[0]->rx_gain_med[i] = rxg_med[i];
      PHY_vars_UE_g[0]->rx_gain_byp[i] = rxg_byp[i];
    }
  
    if ((mode == normal_txrx) || (mode == rx_calib_ue) || (mode == no_L2_connect) || (mode == debug_prach)) {
        for (i=0; i<4; i++) {
            PHY_vars_UE_g[0]->rx_gain_mode[i]  = max_gain;
            //            frame_parms->rfmode[i] = rf_mode_max[i];
winckel's avatar
winckel committed
1390
            rf_mode[i] = (rf_mode[i] & (~LNAGAINMASK)) | LNAMax;
1391
1392
1393
1394
1395
1396
1397
        }
        PHY_vars_UE_g[0]->rx_total_gain_dB =  PHY_vars_UE_g[0]->rx_gain_max[0] + rxgain[0] - 30; //-30 because it was calibrated with a 30dB gain
    }
    else if ((mode == rx_calib_ue_med)) {
        for (i=0; i<4; i++) {
            PHY_vars_UE_g[0]->rx_gain_mode[i] = med_gain;
            //            frame_parms->rfmode[i] = rf_mode_med[i];
winckel's avatar
winckel committed
1398
            rf_mode[i] = (rf_mode[i] & (~LNAGAINMASK)) | LNAMed;
1399
        }
winckel's avatar
winckel committed
1400
        PHY_vars_UE_g[0]->rx_total_gain_dB =  PHY_vars_UE_g[0]->rx_gain_med[0]  + rxgain[0] - 30; //-30 because it was calibrated with a 30dB gain;
1401
1402
1403
1404
1405
    }
    else if ((mode == rx_calib_ue_byp)) {
        for (i=0; i<4; i++) {
            PHY_vars_UE_g[0]->rx_gain_mode[i] = byp_gain;
            //            frame_parms->rfmode[i] = rf_mode_byp[i];
winckel's avatar
winckel committed
1406
            rf_mode[i] = (rf_mode[i] & (~LNAGAINMASK)) | LNAByp;
1407
1408
1409
1410
1411
        }
        PHY_vars_UE_g[0]->rx_total_gain_dB =  PHY_vars_UE_g[0]->rx_gain_byp[0]  + rxgain[0] - 30; //-30 because it was calibrated with a 30dB gain;
    }
    
    PHY_vars_UE_g[0]->tx_power_max_dBm = tx_max_power;
1412
1413
    
    //  printf("tx_max_power = %d -> amp %d\n",tx_max_power,get_tx_amp(tx_max_power,tx_max_power));
1414
1415
  }
  else { //this is eNB
1416
1417
    g_log->log_component[HW].level = LOG_DEBUG;
    g_log->log_component[HW].flag  = LOG_HIGH;
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
#ifdef OPENAIR2
    g_log->log_component[PHY].level = LOG_INFO;
#else
    g_log->log_component[PHY].level = LOG_INFO;
#endif
    g_log->log_component[PHY].flag  = LOG_HIGH;

    g_log->log_component[MAC].level = LOG_INFO;
    g_log->log_component[MAC].flag  = LOG_HIGH;
    g_log->log_component[RLC].level = LOG_INFO;
    g_log->log_component[RLC].flag  = LOG_HIGH;
    g_log->log_component[PDCP].level = LOG_INFO;
    g_log->log_component[PDCP].flag  = LOG_HIGH;
    g_log->log_component[OTG].level = LOG_INFO;
    g_log->log_component[OTG].flag  = LOG_HIGH;
    g_log->log_component[RRC].level = LOG_INFO;
    g_log->log_component[RRC].flag  = LOG_HIGH;
1435
1436
1437
1438
#if defined(ENABLE_ITTI)
    g_log->log_component[EMU].level = LOG_INFO;
    g_log->log_component[EMU].flag  = LOG_HIGH;
# if defined(ENABLE_USE_MME)
1439
1440
1441
1442
    g_log->log_component[S1AP].level  = LOG_INFO;
    g_log->log_component[S1AP].flag   = LOG_HIGH;
    g_log->log_component[SCTP].level  = LOG_INFO;
    g_log->log_component[SCTP].flag   = LOG_HIGH;
1443
# endif
1444
#endif
1445
1446
    g_log->log_component[ENB_APP].level = LOG_INFO;
    g_log->log_component[ENB_APP].flag  = LOG_HIGH;
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463

    PHY_vars_eNB_g = malloc(sizeof(PHY_VARS_eNB*));
    PHY_vars_eNB_g[0] = init_lte_eNB(frame_parms,eNB_id,Nid_cell,cooperation_flag,transmission_mode,abstraction_flag);
    
#ifndef OPENAIR2
    for (i=0;i<NUMBER_OF_UE_MAX;i++) {
      PHY_vars_eNB_g[0]->pusch_config_dedicated[i].betaOffset_ACK_Index = beta_ACK;
      PHY_vars_eNB_g[0]->pusch_config_dedicated[i].betaOffset_RI_Index  = beta_RI;
      PHY_vars_eNB_g[0]->pusch_config_dedicated[i].betaOffset_CQI_Index = beta_CQI;

      PHY_vars_eNB_g[0]->scheduling_request_config[i].sr_PUCCH_ResourceIndex = i;
      PHY_vars_eNB_g[0]->scheduling_request_config[i].sr_ConfigIndex = 7+(i%3);
      PHY_vars_eNB_g[0]->scheduling_request_config[i].dsr_TransMax = sr_n4;
    }
#endif

    compute_prach_seq(&PHY_vars_eNB_g[0]->lte_frame_parms.prach_config_common,
winckel's avatar
winckel committed
1464
1465
1466
                      PHY_vars_eNB_g[0]->lte_frame_parms.frame_type,
                      PHY_vars_eNB_g[0]->X_u);

1467
1468
1469
1470
    NB_eNB_INST=1;
    NB_INST=1;

    openair_daq_vars.ue_dl_rb_alloc=0x1fff;
1471
    openair_daq_vars.target_ue_dl_mcs=20;
1472
    openair_daq_vars.ue_ul_nb_rb=6;
1473
    openair_daq_vars.target_ue_ul_mcs=6;
1474
1475

    // if AGC is off, the following values will be used
1476
1477
    for (i=0;i<4;i++) 
      rxgain[i]=10;
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505

    // set eNB to max gain
    PHY_vars_eNB_g[0]->rx_total_gain_eNB_dB =  rxg_max[0] + rxgain[0] - 30; //was measured at rxgain=30;
    for (i=0; i<4; i++) {
      //        frame_parms->rfmode[i] = rf_mode_max[i];
      rf_mode[i] = (rf_mode[i] & (~LNAGAINMASK)) | LNAMax;
    }
  }

  // Initialize card
  ret = openair0_open();
  if ( ret != 0 ) {
          if (ret == -1)
              printf("Error opening /dev/openair0");
          if (ret == -2)
              printf("Error mapping bigshm");
          if (ret == -3)
              printf("Error mapping RX or TX buffer");
          return(ret);
     }

  printf ("Detected %d number of cards, %d number of antennas.\n", openair0_num_detected_cards, openair0_num_antennas[card]);
  
  p_exmimo_config = openair0_exmimo_pci[card].exmimo_config_ptr;
  p_exmimo_id     = openair0_exmimo_pci[card].exmimo_id_ptr;
  
  printf("Card %d: ExpressMIMO %d, HW Rev %d, SW Rev 0x%d\n", card, p_exmimo_id->board_exmimoversion, p_exmimo_id->board_hwrev, p_exmimo_id->board_swrev);

1506
1507
1508
1509
1510
1511
1512
  // check if the software matches firmware
  if (p_exmimo_id->board_swrev!=BOARD_SWREV_CNTL2) {
    printf("Software revision %d and firmware revision %d do not match. Please update either the firmware or the software!\n",BOARD_SWREV_CNTL2,p_exmimo_id->board_swrev);
    exit(-1);
  }

  if (p_exmimo_id->board_swrev>=9)
1513
1514
1515
    p_exmimo_config->framing.eNB_flag   = 0; 
  else 
    p_exmimo_config->framing.eNB_flag   = !UE_flag;
1516

1517
  p_exmimo_config->framing.tdd_config = DUPLEXMODE_FDD + TXRXSWITCH_LSB;
1518
1519
#if (BOARD_SWREV_CNTL2>=0x0A)
  p_exmimo_config->framing.resampling_factor[ant] = 2;
1520
1521
#else
  for (ant=0; ant<4; ant++)
1522
    p_exmimo_config->framing.resampling_factor = 2;
1523
#endif
1524

1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
  for (ant=0;ant<max(frame_parms->nb_antennas_tx,frame_parms->nb_antennas_rx);ant++) 
    p_exmimo_config->rf.rf_mode[ant] = rf_mode_base;
  for (ant=0;ant<frame_parms->nb_antennas_tx;ant++)
    p_exmimo_config->rf.rf_mode[ant] += (TXEN + DMAMODE_TX);
  for (ant=0;ant<frame_parms->nb_antennas_rx;ant++)
    p_exmimo_config->rf.rf_mode[ant] += (RXEN + DMAMODE_RX);
  for (ant=max(frame_parms->nb_antennas_tx,frame_parms->nb_antennas_rx);ant<4;ant++) {
    p_exmimo_config->rf.rf_mode[ant] = 0;
    carrier_freq[ant] = 0; //this turns off all other LIMEs
  }
1535

1536
  /*
1537
  ant_offset = 0;
1538
1539
  for (ant=0; ant<4; ant++) {
    if (ant==ant_offset) {
1540
      //if (1) {
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
      p_exmimo_config->rf.rf_mode[ant] = rf_mode_base;
      p_exmimo_config->rf.rf_mode[ant] += (TXEN + DMAMODE_TX);
      p_exmimo_config->rf.rf_mode[ant] += (RXEN + DMAMODE_RX);
    }
    else {
      p_exmimo_config->rf.rf_mode[ant] = 0;
      carrier_freq[ant] = 0; //this turns off all other LIMEs
    }
  }
  */

1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
  for (ant = 0; ant<4; ant++) { 
    p_exmimo_config->rf.do_autocal[ant] = 1;
    p_exmimo_config->rf.rf_freq_rx[ant] = carrier_freq[ant];
    p_exmimo_config->rf.rf_freq_tx[ant] = carrier_freq[ant];
    p_exmimo_config->rf.rx_gain[ant][0] = rxgain[ant];
    p_exmimo_config->rf.tx_gain[ant][0] = txgain[ant];
    
    p_exmimo_config->rf.rf_local[ant]   = rf_local[ant];
    p_exmimo_config->rf.rf_rxdc[ant]    = rf_rxdc[ant];

    if ((carrier_freq[ant] >= 850000000) && (carrier_freq[ant] <= 865000000)) {
      p_exmimo_config->rf.rf_vcocal[ant]  = rf_vcocal_850[ant];
      p_exmimo_config->rf.rffe_band_mode[ant] = DD_TDD;	    
    }
1566
    else if ((carrier_freq[ant] >= 1900000000) && (carrier_freq[ant] <= 2000000000)) {
1567
1568
1569
      p_exmimo_config->rf.rf_vcocal[ant]  = rf_vcocal[ant];
      p_exmimo_config->rf.rffe_band_mode[ant] = B19G_TDD;	    
    }
1570
1571
1572
1573
    else {
      p_exmimo_config->rf.rf_vcocal[ant]  = rf_vcocal[ant];
      p_exmimo_config->rf.rffe_band_mode[ant] = 0;	    
    }
1574

1575
1576
    p_exmimo_config->rf.rffe_gain_txlow[ant] = 31;
    p_exmimo_config->rf.rffe_gain_txhigh[ant] = 31;
1577
1578
    p_exmimo_config->rf.rffe_gain_rxfinal[ant] = 52;
    p_exmimo_config->rf.rffe_gain_rxlow[ant] = 31;
1579
1580
1581
1582
1583
1584
1585
1586
1587
  }


  dump_frame_parms(frame_parms);
  
  mac_xface = malloc(sizeof(MAC_xface));
  
#ifdef OPENAIR2
  int eMBMS_active=0;
1588

1589
  l2_init(frame_parms,eMBMS_active,
1590
1591
	  0,// cba_group_active
	  0); // HO flag
1592
1593
1594
1595
1596
1597
1598
1599
  if (UE_flag == 1)
    mac_xface->dl_phy_sync_success (0, 0, 0, 1);
  else
    mac_xface->mrbch_phy_sync_failure (0, 0, 0);
#endif

  mac_xface->macphy_exit = &exit_fun;

winckel's avatar
winckel committed
1600
1601
1602
1603
1604
1605
1606
1607
#if defined(ENABLE_ITTI)
  if (create_tasks(UE_flag ? 0 : 1, UE_flag ? 1 : 0) < 0) {
    exit(-1); // need a softer mode
  }
  printf("ITTI tasks created\n");
#endif

  #ifdef OPENAIR2
1608
1609
1610
1611
1612
1613
1614
  //if (otg_enabled) {
    init_all_otg(0);
    g_otg->seed = 0;
    init_seeds(g_otg->seed);
    g_otg->num_nodes = 2;
    for (i=0; i<g_otg->num_nodes; i++){
      for (j=0; j<g_otg->num_nodes; j++){ 
winckel's avatar
winckel committed
1615
1616
1617
1618
        g_otg->application_idx[i][j] = 1;
        //g_otg->packet_gen_type=SUBSTRACT_STRING;
        g_otg->aggregation_level[i][j][0]=1;
        g_otg->application_type[i][j][0] = BCBR; //MCBR, BCBR
1619
1620
      }
    }
1621
    init_predef_traffic(UE_flag ? 1 : 0, UE_flag ? 0 : 1);
1622
1623
1624
    //  }
#endif

1625
#ifdef OPENAIR2
1626
    //init_pdcp_thread();
1627
1628
#endif

1629
1630
1631
1632
1633
1634
1635
1636
    number_of_cards = openair0_num_detected_cards;
    if (p_exmimo_id->board_exmimoversion==1) //ExpressMIMO1
      openair_daq_vars.timing_advance = 138;
    else //ExpressMIMO2
      openair_daq_vars.timing_advance = 0;

  // connect the TX/RX buffers
  if (UE_flag==1) {
1637
      setup_ue_buffers(PHY_vars_UE_g[0],frame_parms,ant_offset);
1638
1639
1640
      printf("Setting UE buffer to all-RX\n");
      // Set LSBs for antenna switch (ExpressMIMO)
      for (i=0; i<frame_parms->samples_per_tti*10; i++)
winckel's avatar
winckel committed
1641
1642
        for (aa=0; aa<frame_parms->nb_antennas_tx; aa++)
          PHY_vars_UE_g[0]->lte_ue_common_vars.txdata[aa][i] = 0x00010001;
knopp's avatar
   
knopp committed
1643

1644
      //p_exmimo_config->framing.tdd_config = TXRXSWITCH_TESTRX;      
1645
1646
  }
  else {
1647
    setup_eNB_buffers(PHY_vars_eNB_g[0],frame_parms,ant_offset);
1648
1649
1650
1651
1652
1653
1654
1655
      if (fs4_test==0)
        {
          printf("Setting eNB buffer to all-RX\n");