lte-softmodem.c 117 KB
Newer Older
1
/*******************************************************************************
2
    OpenAirInterface
3
    Copyright(c) 1999 - 2014 Eurecom
4

5 6 7 8
    OpenAirInterface is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
9 10


11 12 13 14
    OpenAirInterface is distributed in the hope that 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.
15

16
    You should have received a copy of the GNU General Public License
17 18
    along with OpenAirInterface.The full GNU General Public License is
    included in this distribution in the file called "COPYING". If not,
19
    see <http://www.gnu.org/licenses/>.
20

21 22 23
   Contact Information
   OpenAirInterface Admin: openair_admin@eurecom.fr
   OpenAirInterface Tech : openair_tech@eurecom.fr
24
   OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
25

ghaddab's avatar
ghaddab committed
26
   Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
27

knopp's avatar
 
knopp committed
28
*******************************************************************************/
29 30

/*! \file lte-softmodem.c
knopp's avatar
 
knopp committed
31
 * \brief main program to control HW and scheduling
32
 * \author R. Knopp, F. Kaltenberger, Navid Nikaein
knopp's avatar
 
knopp committed
33 34 35
 * \date 2012
 * \version 0.1
 * \company Eurecom
36
 * \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
knopp's avatar
 
knopp committed
37 38 39
 * \note
 * \warning
 */
knopp's avatar
 
knopp committed
40
#define _GNU_SOURCE
41 42 43 44 45 46 47 48
#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 <sched.h>
49
#include <linux/sched.h>
50 51 52 53 54
#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
#include "msc.h"
59 60 61

#ifdef EMOS
#include <gps.h>
jiangx's avatar
jiangx committed
62
struct gps_fix_t dummy_gps_data;
63 64 65
#endif

#include "PHY/types.h"
66

67
#include "PHY/defs.h"
68
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
knopp's avatar
 
knopp committed
69
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
70

knopp's avatar
knopp committed
71
#ifdef EXMIMO
72
#include "openair0_lib.h"
knopp's avatar
 
knopp committed
73 74 75 76
#else
#include "../../ARCH/COMMON/common_lib.h"
#endif

knopp's avatar
 
knopp committed
77
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
78 79 80

#include "PHY/vars.h"
#include "MAC_INTERFACE/vars.h"
81
//#include "SCHED/defs.h"
82 83 84 85 86 87 88 89 90 91 92 93
#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
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/vars.h"
94
#include "LAYER2/MAC/proto.h"
95 96 97 98 99 100 101 102 103
#include "RRC/LITE/vars.h"
#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"
nikaeinn's avatar
nikaeinn committed
104
#include "UTIL/OTG/otg_tx.h"
105
#include "UTIL/OTG/otg_externs.h"
106 107
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
108
#include "UTIL/OPT/opt.h"
109
#include "enb_config.h"
nikaeinn's avatar
nikaeinn committed
110
//#include "PHY/TOOLS/time_meas.h"
111

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
112 113 114 115
#ifndef OPENAIR2
#include "UTIL/OTG/otg_vars.h"
#endif

116 117
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
118
# include "create_tasks.h"
119 120
# if defined(ENABLE_USE_MME)
#   include "s1ap_eNB.h"
121
#ifdef PDCP_USE_NETLINK
122 123
#   include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
124
# endif
125 126
#endif

127 128 129
#ifdef XFORMS
#include "PHY/TOOLS/lte_phy_scope.h"
#include "stats.h"
130 131 132 133 134
#endif

#define FRAME_PERIOD    100000000ULL
#define DAQ_PERIOD      66667ULL

Florian Kaltenberger's avatar
Florian Kaltenberger committed
135
//#define DEBUG_THREADS 1
knopp's avatar
 
knopp committed
136

knopp's avatar
 
knopp committed
137 138
//#define USRP_DEBUG 1

139
struct timing_info_t {
140 141 142 143
  //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;
144 145 146
} timing_info;


knopp's avatar
 
knopp committed
147

148
openair0_config_t openair0_cfg[MAX_CARDS];
knopp's avatar
 
knopp committed
149

knopp's avatar
 
knopp committed
150 151
int32_t **rxdata;
int32_t **txdata;
152 153
int setup_ue_buffers(PHY_VARS_UE **phy_vars_ue, openair0_config_t *openair0_cfg, openair0_rf_map rf_map[MAX_NUM_CCs]);
int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_cfg, openair0_rf_map rf_map[MAX_NUM_CCs]);
154

155 156 157 158
uint16_t runtime_phy_rx[29][6]; // SISO [MCS 0-28][RBs 0-5 : 6, 15, 25, 50, 75, 100]
uint16_t runtime_phy_tx[29][6]; // SISO [MCS 0-28][RBs 0-5 : 6, 15, 25, 50, 75, 100]
double cpuf;

159
void fill_ue_band_info(void);
160
#ifdef XFORMS
161
// current status is that every UE has a DL scope for a SINGLE eNB (eNB_id=0)
gauthier's avatar
gauthier committed
162
// at eNB 0, an UL scope for every UE
163
FD_lte_phy_scope_ue  *form_ue[NUMBER_OF_UE_MAX];
164
FD_lte_phy_scope_enb *form_enb[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
165
FD_stats_form                  *form_stats=NULL,*form_stats_l2=NULL;
166
char title[255];
167
unsigned char                   scope_enb_num_ue = 1;
168 169 170
#endif //XFORMS

#ifdef RTAI
171

172 173
static long                      main_eNB_thread;
static long                      main_ue_thread;
174

175
#else
knopp's avatar
 
knopp committed
176 177
pthread_t                       main_eNB_thread;
pthread_t                       main_ue_thread;
178

179
pthread_attr_t                  attr_dlsch_threads;
180 181
pthread_attr_t                  attr_UE_thread;

182
#ifndef LOWLATENCY
183
struct sched_param              sched_param_dlsch;
184
#endif
185
#endif
knopp's avatar
 
knopp committed
186

knopp's avatar
 
knopp committed
187 188
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
189
int sync_var=-1; //!< protected by mutex \ref sync_mutex.
190

191

192 193


194
struct sched_param              sched_param_UE_thread;
195

196 197
pthread_attr_t                  attr_eNB_proc_tx[MAX_NUM_CCs][NUM_ENB_THREADS];
pthread_attr_t                  attr_eNB_proc_rx[MAX_NUM_CCs][NUM_ENB_THREADS];
198
#ifndef LOWLATENCY
199 200
struct sched_param              sched_param_eNB_proc_tx[MAX_NUM_CCs][NUM_ENB_THREADS];
struct sched_param              sched_param_eNB_proc_rx[MAX_NUM_CCs][NUM_ENB_THREADS];
201
#endif
202
#ifdef XFORMS
knopp's avatar
 
knopp committed
203
static pthread_t                forms_thread; //xforms
204 205 206
#endif
#ifdef EMOS
static pthread_t                thread3; //emos
jiangx's avatar
jiangx committed
207
static pthread_t                thread4; //GPS
208
#endif
209

knopp's avatar
 
knopp committed
210
openair0_device openair0;
211

knopp's avatar
 
knopp committed
212

213
/*
knopp's avatar
 
knopp committed
214 215 216
  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;
217 218 219 220
*/
//extern unsigned int bigphys_top;
//extern unsigned int mem_base;

kaltenbe's avatar
kaltenbe committed
221
//int                             card = 0;
knopp's avatar
 
knopp committed
222

223

224
#if defined(ENABLE_ITTI)
225 226
static volatile int             start_eNB = 0;
static volatile int             start_UE = 0;
227
#endif
228 229 230 231 232 233
volatile int                    oai_exit = 0;

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

knopp's avatar
 
knopp committed
234

235
static char                     UE_flag=0;
236 237
//static uint8_t                  eNB_id=0,UE_id=0;

238
static char                     threequarter_fs=0;
239

240
uint32_t                 downlink_frequency[MAX_NUM_CCs][4];
241
int32_t                  uplink_frequency_offset[MAX_NUM_CCs][4];
gauthier's avatar
gauthier committed
242

243
openair0_rf_map rf_map[MAX_NUM_CCs];
244

245
static char                    *conf_config_file_name = NULL;
246
#if defined(ENABLE_ITTI)
247
static char                    *itti_dump_file = NULL;
knopp's avatar
 
knopp committed
248 249
#endif

250
int UE_scan = 1;
251
int UE_scan_carrier = 0;
252 253
runmode_t mode = normal_txrx;

254 255
FILE *input_fd=NULL;

256

knopp's avatar
 
knopp committed
257
#ifdef EXMIMO
258 259 260 261
#if MAX_NUM_CCs == 1
double tx_gain[MAX_NUM_CCs][4] = {{20,20,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{20,20,0,0}};
#else
262 263
double tx_gain[MAX_NUM_CCs][4] = {{20,20,0,0},{20,20,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{20,20,0,0},{20,20,0,0}};
264
#endif
265
// these are for EXMIMO2 target only
266
/*
knopp's avatar
 
knopp committed
267 268 269
  static unsigned int             rxg_max[4] =    {133,133,133,133};
  static unsigned int             rxg_med[4] =    {127,127,127,127};
  static unsigned int             rxg_byp[4] =    {120,120,120,120};
270
 */
271
// these are for EXMIMO2 card 39
272 273 274 275 276 277
unsigned int             rxg_max[4] =    {128,128,128,126};
unsigned int             rxg_med[4] =    {122,123,123,120};
unsigned int             rxg_byp[4] =    {116,117,116,116};
unsigned int             nf_max[4] =    {7,9,16,12};
unsigned int             nf_med[4] =    {12,13,22,17};
unsigned int             nf_byp[4] =    {15,20,29,23};
278 279 280
#if MAX_NUM_CCs == 1
rx_gain_t                rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain}};
#else
281
rx_gain_t                rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain},{max_gain,max_gain,max_gain,max_gain}};
282
#endif
gauthier's avatar
gauthier committed
283
#else
kortke's avatar
kortke committed
284 285
double tx_gain[MAX_NUM_CCs][4] = {{20,0,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{110,0,0,0}};
gauthier's avatar
gauthier committed
286
#endif
knopp's avatar
 
knopp committed
287

knopp's avatar
 
knopp committed
288
double sample_rate=30.72e6;
289
double bw = 10.0e6;
290

291
static int                      tx_max_power[MAX_NUM_CCs]; /* =  {0,0}*/;
292

293 294
char   rf_config_file[1024];

Florian Kaltenberger's avatar
Florian Kaltenberger committed
295 296
int chain_offset=0;

knopp's avatar
knopp committed
297
#ifndef EXMIMO
knopp's avatar
 
knopp committed
298 299 300 301
char ref[128] = "internal";
char channels[128] = "0";

#endif
302 303

int                      rx_input_level_dBm;
304
static int                      online_log_messages=0;
305
#ifdef XFORMS
306
extern int                      otg_enabled;
307
static char                     do_forms=0;
308
#else
309
int                             otg_enabled;
310
#endif
knopp's avatar
 
knopp committed
311
//int                             number_of_cards =   1;
knopp's avatar
 
knopp committed
312
#ifdef EXMIMO
313 314
static 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
//static 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
knopp's avatar
 
knopp committed
315
#endif
316

knopp's avatar
 
knopp committed
317
static LTE_DL_FRAME_PARMS      *frame_parms[MAX_NUM_CCs];
318

knopp's avatar
 
knopp committed
319
int multi_thread=1;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
320
uint32_t target_dl_mcs = 28; //maximum allowed mcs
321
uint32_t target_ul_mcs = 10;
322
uint32_t timing_advance = 0;
323 324
uint8_t exit_missed_slots=1;
uint64_t num_missed_slots=0; // counter for the number of missed slots
325

knopp's avatar
 
knopp committed
326

327
time_stats_t softmodem_stats_mt; // main thread
knopp's avatar
 
knopp committed
328
time_stats_t softmodem_stats_hw; //  hw acquisition
329 330
time_stats_t softmodem_stats_tx_sf[10]; // total tx time
time_stats_t softmodem_stats_rx_sf[10]; // total rx time
nikaeinn's avatar
nikaeinn committed
331 332
void reset_opp_meas(void);
void print_opp_meas(void);
333
int transmission_mode=1;
knopp's avatar
 
knopp committed
334

knopp's avatar
 
knopp committed
335

336
int16_t           glog_level         = LOG_INFO;
gauthier's avatar
 
gauthier committed
337
int16_t           glog_verbosity     = LOG_MED;
338
int16_t           hw_log_level       = LOG_INFO;
gauthier's avatar
 
gauthier committed
339
int16_t           hw_log_verbosity   = LOG_MED;
340
int16_t           phy_log_level      = LOG_INFO;
gauthier's avatar
 
gauthier committed
341
int16_t           phy_log_verbosity  = LOG_MED;
342
int16_t           mac_log_level      = LOG_INFO;
gauthier's avatar
 
gauthier committed
343
int16_t           mac_log_verbosity  = LOG_MED;
344
int16_t           rlc_log_level      = LOG_INFO;
gauthier's avatar
 
gauthier committed
345
int16_t           rlc_log_verbosity  = LOG_MED;
346
int16_t           pdcp_log_level     = LOG_INFO;
gauthier's avatar
 
gauthier committed
347
int16_t           pdcp_log_verbosity = LOG_MED;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
348
int16_t           rrc_log_level      = LOG_INFO;
gauthier's avatar
 
gauthier committed
349
int16_t           rrc_log_verbosity  = LOG_MED;
350 351 352
int16_t           opt_log_level      = LOG_INFO;
int16_t           opt_log_verbosity  = LOG_MED;

gauthier's avatar
 
gauthier committed
353 354 355 356 357 358
# if defined(ENABLE_USE_MME)
int16_t           gtpu_log_level     = LOG_DEBUG;
int16_t           gtpu_log_verbosity = LOG_MED;
int16_t           udp_log_level      = LOG_DEBUG;
int16_t           udp_log_verbosity  = LOG_MED;
#endif
359 360 361
#if defined (ENABLE_SECURITY)
int16_t           osa_log_level      = LOG_INFO;
int16_t           osa_log_verbosity  = LOG_MED;
362
#endif
363

knopp's avatar
 
knopp committed
364 365 366

#ifdef ETHERNET
char rrh_eNB_ip[20] = "127.0.0.1";
knopp's avatar
knopp committed
367
int rrh_eNB_port = 50000;
knopp's avatar
 
knopp committed
368
char *rrh_UE_ip = "127.0.0.1";
369
int rrh_UE_port = 51000;
knopp's avatar
 
knopp committed
370 371 372
#endif

char uecap_xer[1024],uecap_xer_in=0;
373 374
extern void *UE_thread(void *arg);
extern void init_UE_threads(void);
knopp's avatar
 
knopp committed
375

376
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
377
{
knopp's avatar
 
knopp committed
378
  return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
379 380 381
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
knopp's avatar
 
knopp committed
382
  return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
383 384
}

385
#if !defined(ENABLE_ITTI)
386 387 388 389 390 391 392 393
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);
394

395 396 397 398
    // print out all the frames to stderr
    fprintf(stderr, "Error: signal %d:\n", sig);
    backtrace_symbols_fd(array, size, 2);
    exit(-1);
399 400
  } else {
    printf("trying to exit gracefully...\n");
401
    oai_exit = 1;
402 403
  }
}
404
#endif
nikaeinn's avatar
nikaeinn committed
405 406 407 408 409 410 411 412 413 414 415
#define KNRM  "\x1B[0m"
#define KRED  "\x1B[31m"
#define KGRN  "\x1B[32m"
#define KBLU  "\x1B[34m"
#define RESET "\033[0m"

void help (void) {
  printf (KGRN "Usage:\n");
  printf("  sudo -E lte-softmodem [options]\n");
  printf("  sudo -E ./lte-softmodem -O ../../../targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.exmimo2.openEPC.conf -S -V -m 26 -t 16 -x 1 --ulsch-max-errors 100 -W\n\n");
  printf("Options:\n");
416
  printf("  --rf-config-file Configuration file for front-end (e.g. LMS7002M)\n");
nikaeinn's avatar
nikaeinn committed
417 418 419 420
  printf("  --ulsch-max-errors set the max ULSCH erros\n");
  printf("  --calib-ue-rx set UE RX calibration\n");
  printf("  --calib-ue-rx-med \n");
  printf("  --calib-ue-rxbyp\n");
knopp's avatar
 
knopp committed
421 422
  printf("  --debug-ue-prach run normal prach power ramping, but don't continue random-access\n");
  printf("  --calib-prach-tx run normal prach with maximum power, but don't continue random-access\n");
nikaeinn's avatar
nikaeinn committed
423
  printf("  --no-L2-connect bypass L2 and upper layers\n");
424 425 426 427
  printf("  --ue-rxgain set UE RX gain\n");
  printf("  --ue-txgain set UE TX gain\n");
  printf("  --ue-scan_carrier set UE to scan around carrier\n");
  printf("  --loop-memory get softmodem (UE) to loop through memory instead of acquiring from HW\n");
428
  printf("  -C Set the downlink frequency for all component carriers\n");
nikaeinn's avatar
nikaeinn committed
429 430 431 432 433 434 435 436 437 438
  printf("  -d Enable soft scope and L1 and L2 stats (Xforms)\n");
  printf("  -F Calibrate the EXMIMO borad, available files: exmimo2_2arxg.lime exmimo2_2brxg.lime \n");
  printf("  -g Set the global log level, valide options: (9:trace, 8/7:debug, 6:info, 4:warn, 3:error)\n");
  printf("  -G Set the global log level \n");
  printf("  -h provides this help message!\n");
  printf("  -K Generate ITTI analyzser logs (similar to wireshark logs but with more details)\n");
  printf("  -m Set the maximum downlink MCS\n");
  printf("  -M IP address of RRH\n");
  printf("  -O eNB configuration file (located in targets/PROJECTS/GENERIC-LTE-EPC/CONF\n");
  printf("  -q Enable processing timing measurement of lte softmodem on per subframe basis \n");
kaltenbe's avatar
kaltenbe committed
439
  printf("  -r Set the PRB, valid values: 6, 25, 50, 100  \n");    
nikaeinn's avatar
nikaeinn committed
440 441
  printf("  -S Skip the missed slots/subframes \n");    
  printf("  -t Set the maximum uplink MCS\n");
442
  printf("  -T Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n");
nikaeinn's avatar
nikaeinn committed
443 444 445 446
  printf("  -U Set the lte softmodem as a UE\n");
  printf("  -W Enable L2 wireshark messages on localhost \n");
  printf("  -V Enable VCD (generated file will be located atopenair_dump_eNB.vcd, read it with target/RT/USER/eNB.gtkw\n");
  printf("  -x Set the transmission mode, valid options: 1 \n"RESET);    
447

nikaeinn's avatar
nikaeinn committed
448
}
449 450
void exit_fun(const char* s)
{
451
  if (s != NULL) {
452
    printf("%s %s() Exiting OAI softmodem: %s\n",__FILE__, __FUNCTION__, s);
453 454 455 456 457
  }

  oai_exit = 1;

#if defined(ENABLE_ITTI)
Florian Kaltenberger's avatar
Florian Kaltenberger committed
458
  sleep(1); //allow lte-softmodem threads to exit first
459
  itti_terminate_tasks (TASK_UNKNOWN);
460
#endif
461 462 463 464 465 466

  //rt_sleep_ns(FRAME_PERIOD);

  //exit (-1);
}

467

468
#ifdef XFORMS
469

470 471
void reset_stats(FL_OBJECT *button, long arg)
{
472 473
  int i,j,k;
  PHY_VARS_eNB *phy_vars_eNB = PHY_vars_eNB_g[0][0];
474 475 476 477 478 479 480

  for (i=0; i<NUMBER_OF_UE_MAX; i++) {
    for (k=0; k<8; k++) { //harq_processes
      for (j=0; j<phy_vars_eNB->dlsch_eNB[i][0]->Mdlharq; j++) {
        phy_vars_eNB->eNB_UE_stats[i].dlsch_NAK[k][j]=0;
        phy_vars_eNB->eNB_UE_stats[i].dlsch_ACK[k][j]=0;
        phy_vars_eNB->eNB_UE_stats[i].dlsch_trials[k][j]=0;
481
      }
482

483 484 485
      phy_vars_eNB->eNB_UE_stats[i].dlsch_l2_errors[k]=0;
      phy_vars_eNB->eNB_UE_stats[i].ulsch_errors[k]=0;
      phy_vars_eNB->eNB_UE_stats[i].ulsch_consecutive_errors=0;
486 487 488 489 490 491

      for (j=0; j<phy_vars_eNB->ulsch_eNB[i]->Mdlharq; j++) {
        phy_vars_eNB->eNB_UE_stats[i].ulsch_decoding_attempts[k][j]=0;
        phy_vars_eNB->eNB_UE_stats[i].ulsch_decoding_attempts_last[k][j]=0;
        phy_vars_eNB->eNB_UE_stats[i].ulsch_round_errors[k][j]=0;
        phy_vars_eNB->eNB_UE_stats[i].ulsch_round_fer[k][j]=0;
492
      }
493
    }
494

495 496 497
    phy_vars_eNB->eNB_UE_stats[i].dlsch_sliding_cnt=0;
    phy_vars_eNB->eNB_UE_stats[i].dlsch_NAK_round0=0;
    phy_vars_eNB->eNB_UE_stats[i].dlsch_mcs_offset=0;
498 499 500
  }
}

501 502
static void *scope_thread(void *arg)
{
knopp's avatar
 
knopp committed
503
  char stats_buffer[16384];
504
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
 
knopp committed
505
  FILE *UE_stats, *eNB_stats;
506
# endif
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
507
  int len = 0;
knopp's avatar
 
knopp committed
508
  struct sched_param sched_param;
509
  int UE_id, CC_id;
510

511
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
knopp's avatar
 
knopp committed
512
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
513

knopp's avatar
 
knopp committed
514
  printf("Scope thread has priority %d\n",sched_param.sched_priority);
515

516
# ifdef ENABLE_XFORMS_WRITE_STATS
517 518

  if (UE_flag==1)
knopp's avatar
 
knopp committed
519
    UE_stats  = fopen("UE_stats.txt", "w");
520
  else
knopp's avatar
 
knopp committed
521
    eNB_stats = fopen("eNB_stats.txt", "w");
522

523
#endif
524

knopp's avatar
 
knopp committed
525 526
  while (!oai_exit) {
    if (UE_flag==1) {
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
527
      len = dump_ue_stats (PHY_vars_UE_g[0][0], stats_buffer, 0, mode,rx_input_level_dBm);
knopp's avatar
knopp committed
528 529 530
      //fl_set_object_label(form_stats->stats_text, stats_buffer);
      fl_clear_browser(form_stats->stats_text);
      fl_add_browser_line(form_stats->stats_text, stats_buffer);
531

532 533 534 535 536
      phy_scope_UE(form_ue[0],
                   PHY_vars_UE_g[0][0],
                   0,
                   0,7);

knopp's avatar
 
knopp committed
537
    } else {
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
538 539
#ifdef OPENAIR2
      len = dump_eNB_l2_stats (stats_buffer, 0);
knopp's avatar
knopp committed
540 541 542
      //fl_set_object_label(form_stats_l2->stats_text, stats_buffer);
      fl_clear_browser(form_stats_l2->stats_text);
      fl_add_browser_line(form_stats_l2->stats_text, stats_buffer);
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
543 544
#endif
      len = dump_eNB_stats (PHY_vars_eNB_g[0][0], stats_buffer, 0);
545

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
546
      if (MAX_NUM_CCs>1)
547 548
        len += dump_eNB_stats (PHY_vars_eNB_g[0][1], &stats_buffer[len], 0);

kaltenbe's avatar
kaltenbe committed
549 550 551
      //fl_set_object_label(form_stats->stats_text, stats_buffer);
      fl_clear_browser(form_stats->stats_text);
      fl_add_browser_line(form_stats->stats_text, stats_buffer);
552

553
      for(UE_id=0; UE_id<scope_enb_num_ue; UE_id++) {
554 555 556 557 558
	for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
	  phy_scope_eNB(form_enb[CC_id][UE_id],
			PHY_vars_eNB_g[0][CC_id],
			UE_id);
	}
knopp's avatar
 
knopp committed
559
      }
560

561
    }
562

knopp's avatar
 
knopp committed
563
    //printf("doing forms\n");
Florian Kaltenberger's avatar
Florian Kaltenberger committed
564 565
    //usleep(100000); // 100 ms
    sleep(1);
knopp's avatar
 
knopp committed
566
  }
567

568
  //  printf("%s",stats_buffer);
569

570
# ifdef ENABLE_XFORMS_WRITE_STATS
571

572 573 574 575 576 577
  if (UE_flag==1) {
    if (UE_stats) {
      rewind (UE_stats);
      fwrite (stats_buffer, 1, len, UE_stats);
      fclose (UE_stats);
    }
578
  } else {
579 580 581 582 583 584
    if (eNB_stats) {
      rewind (eNB_stats);
      fwrite (stats_buffer, 1, len, eNB_stats);
      fclose (eNB_stats);
    }
  }
585

586
# endif
587

knopp's avatar
 
knopp committed
588
  pthread_exit((void*)arg);
589 590 591 592 593 594
}
#endif

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

jiangx's avatar
jiangx committed
595 596 597 598 599 600 601 602
void* gps_thread (void *arg)
{

  struct gps_data_t gps_data;
  struct gps_data_t *gps_data_ptr = &gps_data;
  struct sched_param sched_param;
  int ret;

603
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
jiangx's avatar
jiangx committed
604
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
605

jiangx's avatar
jiangx committed
606 607 608
  printf("GPS thread has priority %d\n",sched_param.sched_priority);

  memset(&dummy_gps_data,0,sizeof(struct gps_fix_t));
609

jiangx's avatar
jiangx committed
610 611
#if GPSD_API_MAJOR_VERSION>=5
  ret = gps_open("127.0.0.1","2947",gps_data_ptr);
612

jiangx's avatar
jiangx committed
613 614 615
  if (ret!=0)
#else
  gps_data_ptr = gps_open("127.0.0.1","2947");
616 617

  if (gps_data_ptr == NULL)
jiangx's avatar
jiangx committed
618
#endif
619 620 621 622 623
  {
    printf("[EMOS] Could not open GPS\n");
    pthread_exit((void*)arg);
  }

jiangx's avatar
jiangx committed
624 625 626 627 628
#if GPSD_API_MAJOR_VERSION>=4
  else if (gps_stream(gps_data_ptr, WATCH_ENABLE,NULL) != 0)
#else
  else if (gps_query(gps_data_ptr, "w+x") != 0)
#endif
629 630 631 632
  {
    printf("[EMOS] Error sending command to GPS\n");
    pthread_exit((void*) arg);
  } else
jiangx's avatar
jiangx committed
633 634
    printf("[EMOS] Opened GPS, gps_data=%p\n", gps_data_ptr);

635 636 637

  while (!oai_exit) {
    printf("[EMOS] polling data from gps\n");
jiangx's avatar
jiangx committed
638
#if GPSD_API_MAJOR_VERSION>=5
639 640 641

    if (gps_waiting(gps_data_ptr,500)) {
      if (gps_read(gps_data_ptr) <= 0) {
jiangx's avatar
jiangx committed
642
#else
643 644 645 646 647 648 649 650

    if (gps_waiting(gps_data_ptr)) {
      if (gps_poll(gps_data_ptr) != 0) {
#endif
        printf("[EMOS] problem polling data from gps\n");
      } else {
        memcpy(&dummy_gps_data,&(gps_data_ptr->fix),sizeof(struct gps_fix_t));
        printf("[EMOS] lat %g, lon %g\n",gps_data_ptr->fix.latitude,gps_data_ptr->fix.longitude);
jiangx's avatar
jiangx committed
651
      }
652 653 654 655 656 657 658 659
    } //gps_waiting
    else {
      printf("[EMOS] WARNING: No GPS data available, storing dummy packet\n");
    }

    //rt_sleep_ns(1000000000LL);
    sleep(1);
  } //oai_exit
jiangx's avatar
jiangx committed
660 661 662 663 664

  pthread_exit((void*) arg);

}

665 666 667 668 669 670 671 672 673 674 675
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;
676

jiangx's avatar
jiangx committed
677
  int channel_buffer_size,ret;
678

679 680 681
  time_t timer;
  struct tm *now;

682
  struct sched_param sched_param;
683 684

  sched_param.sched_priority = sched_get_priority_max(SCHED_FIFO)-1;
685
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
686

687
  printf("EMOS thread has priority %d\n",sched_param.sched_priority);
688

689 690 691 692 693 694 695 696 697 698 699 700
  timer = time(NULL);
  now = localtime(&timer);

  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;

701 702 703 704
  if (fifo2file_buffer == NULL) {
    printf("[EMOS] Cound not allocate memory for fifo2file_buffer\n");
    exit(EXIT_FAILURE);
  }
705

706 707 708 709
  if ((fifo = open(CHANSOUNDER_FIFO_DEV, O_RDONLY)) < 0) {
    fprintf(stderr, "[EMOS] Error opening the fifo\n");
    exit(EXIT_FAILURE);
  }
710 711 712 713 714


  time(&starttime_tmp);
  localtime_r(&starttime_tmp,&starttime);
  snprintf(dumpfile_name,1024,"/tmp/%s_data_%d%02d%02d_%02d%02d%02d.EMOS",
715 716
           (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);
717 718

  dumpfile_id = fopen(dumpfile_name,"w");
719 720 721 722 723

  if (dumpfile_id == NULL) {
    fprintf(stderr, "[EMOS] Error opening dumpfile %s\n",dumpfile_name);
    exit(EXIT_FAILURE);
  }
724 725


jiangx's avatar
jiangx committed
726
  printf("[EMOS] starting dump, channel_buffer_size=%d, fifo %d\n",channel_buffer_size,fifo);
727

728 729 730 731 732 733 734
  while (!oai_exit) {
    /*
    bytes = rtf_read_timed(fifo, fifo2file_ptr, channel_buffer_size,100);
    if (bytes==0)
    continue;
    */
    bytes = rtf_read_all_at_once(fifo, fifo2file_ptr, channel_buffer_size);
735

736 737 738 739
    if (bytes<=0) {
      usleep(100);
      continue;
    }
740

741 742 743
    if (bytes != channel_buffer_size) {
      printf("[EMOS] ERROR! Only got %d bytes instead of %d!\n",bytes,channel_buffer_size);
    }
744

745 746 747 748 749 750
    /*
    if (UE_flag==0)
    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);
    */
751

752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772
    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);
      }
jiangx's avatar
jiangx committed
773

774 775 776 777
      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);
      }
778
    }
779 780
  }

781 782 783
  free(fifo2file_buffer);
  fclose(dumpfile_id);
  close(fifo);
784

785 786 787 788 789
  pthread_exit((void*) arg);

}
#endif

790 791


792
#if defined(ENABLE_ITTI)
793 794 795 796 797
static void wait_system_ready (char *message, volatile int *start_flag)
{
  /* Wait for eNB application initialization to be complete (eNB registration to MME) */
  {
    static char *indicator[] = {".    ", "..   ", "...  ", ".... ", ".....",
798 799
                                " ....", "  ...", "   ..", "    .", "     "
                               };
800 801 802 803
    int i = 0;

    while ((!oai_exit) && (*start_flag == 0)) {
      LOG_N(EMU, message, indicator[i]);
804
      fflush(stdout);
805 806 807
      i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
      usleep(200000);
    }
808

809 810 811 812 813
    LOG_D(EMU,"\n");
  }
}
#endif

knopp's avatar
 
knopp committed
814
#if defined(ENABLE_ITTI)
815
void *l2l1_task(void *arg)
816
{
knopp's avatar
 
knopp committed
817 818 819 820 821
  MessageDef *message_p = NULL;
  int         result;

  itti_set_task_real_time(TASK_L2L1);
  itti_mark_task_ready(TASK_L2L1);
822

knopp's avatar
 
knopp committed
823 824
  if (UE_flag == 0) {
    /* Wait for the initialize message */
825
    printf("Wait for the ITTI initialize message\n");
826
    do {
knopp's avatar
 
knopp committed
827
      if (message_p != NULL) {
828 829
        result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
        AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
knopp's avatar
 
knopp committed
830
      }
831

832 833 834
      itti_receive_msg (TASK_L2L1, &message_p);

      switch (ITTI_MSG_ID(message_p)) {
knopp's avatar
 
knopp committed
835
      case INITIALIZE_MESSAGE:
836 </