lte-softmodem.c 122 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
#include <signal.h>
#include <execinfo.h>
#include <getopt.h>

54 55 56 57
#if T_TRACER
#include "T.h"
#endif

58
#include "rt_wrapper.h"
59 60
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all

61
#include "assertions.h"
62
#include "msc.h"
63 64 65

#ifdef EMOS
#include <gps.h>
jiangx's avatar
jiangx committed
66
struct gps_fix_t dummy_gps_data;
67 68 69
#endif

#include "PHY/types.h"
70

71
#include "PHY/defs.h"
72
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
knopp's avatar
 
knopp committed
73
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
74

knopp's avatar
knopp committed
75
#ifdef EXMIMO
76
#include "openair0_lib.h"
knopp's avatar
 
knopp committed
77 78 79 80
#else
#include "../../ARCH/COMMON/common_lib.h"
#endif

knopp's avatar
 
knopp committed
81
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
82 83 84

#include "PHY/vars.h"
#include "MAC_INTERFACE/vars.h"
85
//#include "SCHED/defs.h"
86 87 88 89 90 91 92 93 94 95 96 97
#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"
98
#include "LAYER2/MAC/proto.h"
99 100 101 102 103 104 105 106 107
#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
108
#include "UTIL/OTG/otg_tx.h"
109
#include "UTIL/OTG/otg_externs.h"
110 111
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
112
#include "UTIL/OPT/opt.h"
113
#include "enb_config.h"
nikaeinn's avatar
nikaeinn committed
114
//#include "PHY/TOOLS/time_meas.h"
115

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
116 117 118 119
#ifndef OPENAIR2
#include "UTIL/OTG/otg_vars.h"
#endif

120 121
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
122
# include "create_tasks.h"
123 124
# if defined(ENABLE_USE_MME)
#   include "s1ap_eNB.h"
125
#ifdef PDCP_USE_NETLINK
126 127
#   include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
128
# endif
129 130
#endif

131 132 133
#ifdef XFORMS
#include "PHY/TOOLS/lte_phy_scope.h"
#include "stats.h"
134 135 136 137 138
#endif

#define FRAME_PERIOD    100000000ULL
#define DAQ_PERIOD      66667ULL

Florian Kaltenberger's avatar
Florian Kaltenberger committed
139
//#define DEBUG_THREADS 1
knopp's avatar
 
knopp committed
140

knopp's avatar
 
knopp committed
141 142
//#define USRP_DEBUG 1

143
struct timing_info_t {
144 145 146 147
  //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;
148 149 150
} timing_info;


knopp's avatar
 
knopp committed
151

152
openair0_config_t openair0_cfg[MAX_CARDS];
knopp's avatar
 
knopp committed
153

knopp's avatar
 
knopp committed
154 155
int32_t **rxdata;
int32_t **txdata;
156 157
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]);
158

159 160 161 162
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;

163
void fill_ue_band_info(void);
164
#ifdef XFORMS
165
// current status is that every UE has a DL scope for a SINGLE eNB (eNB_id=0)
gauthier's avatar
gauthier committed
166
// at eNB 0, an UL scope for every UE
167
FD_lte_phy_scope_ue  *form_ue[NUMBER_OF_UE_MAX];
168
FD_lte_phy_scope_enb *form_enb[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
169
FD_stats_form                  *form_stats=NULL,*form_stats_l2=NULL;
170
char title[255];
171
unsigned char                   scope_enb_num_ue = 1;
172 173 174
#endif //XFORMS

#ifdef RTAI
175

176 177
static long                      main_eNB_thread;
static long                      main_ue_thread;
178

179
#else
knopp's avatar
 
knopp committed
180 181
pthread_t                       main_eNB_thread;
pthread_t                       main_ue_thread;
182

183
pthread_attr_t                  attr_dlsch_threads;
184 185
pthread_attr_t                  attr_UE_thread;

186
#ifndef LOWLATENCY
187
struct sched_param              sched_param_dlsch;
188
#endif
189
#endif
knopp's avatar
 
knopp committed
190

knopp's avatar
 
knopp committed
191 192
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
193
int sync_var=-1; //!< protected by mutex \ref sync_mutex.
194

195

196 197


198
struct sched_param              sched_param_UE_thread;
199

200 201
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];
202
#ifndef LOWLATENCY
203 204
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];
205
#endif
206
#ifdef XFORMS
knopp's avatar
 
knopp committed
207
static pthread_t                forms_thread; //xforms
208 209 210
#endif
#ifdef EMOS
static pthread_t                thread3; //emos
jiangx's avatar
jiangx committed
211
static pthread_t                thread4; //GPS
212
#endif
213

knopp's avatar
 
knopp committed
214
openair0_device openair0;
215

knopp's avatar
 
knopp committed
216

217
/*
knopp's avatar
 
knopp committed
218 219 220
  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;
221 222 223 224
*/
//extern unsigned int bigphys_top;
//extern unsigned int mem_base;

kaltenbe's avatar
kaltenbe committed
225
//int                             card = 0;
knopp's avatar
 
knopp committed
226

227

228
#if defined(ENABLE_ITTI)
229 230
static volatile int             start_eNB = 0;
static volatile int             start_UE = 0;
231
#endif
232 233 234 235 236 237
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
238

239
static char                     UE_flag=0;
240 241
//static uint8_t                  eNB_id=0,UE_id=0;

242
static char                     threequarter_fs=0;
243

244
uint32_t                 downlink_frequency[MAX_NUM_CCs][4];
245
int32_t                  uplink_frequency_offset[MAX_NUM_CCs][4];
gauthier's avatar
gauthier committed
246

247
openair0_rf_map rf_map[MAX_NUM_CCs];
248

249
static char                    *conf_config_file_name = NULL;
250
#if defined(ENABLE_ITTI)
251
static char                    *itti_dump_file = NULL;
knopp's avatar
 
knopp committed
252 253
#endif

254
int UE_scan = 1;
255
int UE_scan_carrier = 0;
256 257
runmode_t mode = normal_txrx;

258 259
FILE *input_fd=NULL;

260

knopp's avatar
 
knopp committed
261
#ifdef EXMIMO
262 263 264 265
#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
266 267
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}};
268
#endif
269
// these are for EXMIMO2 target only
270
/*
knopp's avatar
 
knopp committed
271 272 273
  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};
274
 */
275
// these are for EXMIMO2 card 39
276 277 278 279 280 281
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};
282 283 284
#if MAX_NUM_CCs == 1
rx_gain_t                rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain}};
#else
285
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}};
286
#endif
gauthier's avatar
gauthier committed
287
#else
kortke's avatar
kortke committed
288 289
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
290
#endif
knopp's avatar
 
knopp committed
291

knopp's avatar
 
knopp committed
292
double sample_rate=30.72e6;
293
double bw = 10.0e6;
294

295
static int                      tx_max_power[MAX_NUM_CCs]; /* =  {0,0}*/;
296

297 298
char   rf_config_file[1024];

Florian Kaltenberger's avatar
Florian Kaltenberger committed
299
int chain_offset=0;
300
int phy_test = 0;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
301

knopp's avatar
knopp committed
302
#ifndef EXMIMO
knopp's avatar
 
knopp committed
303 304 305 306
char ref[128] = "internal";
char channels[128] = "0";

#endif
307 308

int                      rx_input_level_dBm;
309
static int                      online_log_messages=0;
310
#ifdef XFORMS
311
extern int                      otg_enabled;
312
static char                     do_forms=0;
313
#else
314
int                             otg_enabled;
315
#endif
knopp's avatar
 
knopp committed
316
//int                             number_of_cards =   1;
knopp's avatar
 
knopp committed
317
#ifdef EXMIMO
318 319
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
320
#endif
321

knopp's avatar
 
knopp committed
322
static LTE_DL_FRAME_PARMS      *frame_parms[MAX_NUM_CCs];
323

knopp's avatar
 
knopp committed
324
int multi_thread=1;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
325
uint32_t target_dl_mcs = 28; //maximum allowed mcs
326
uint32_t target_ul_mcs = 10;
327
uint32_t timing_advance = 0;
328 329
uint8_t exit_missed_slots=1;
uint64_t num_missed_slots=0; // counter for the number of missed slots
330

knopp's avatar
 
knopp committed
331

332
time_stats_t softmodem_stats_mt; // main thread
knopp's avatar
 
knopp committed
333
time_stats_t softmodem_stats_hw; //  hw acquisition
334 335
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
336 337
void reset_opp_meas(void);
void print_opp_meas(void);
338
int transmission_mode=1;
knopp's avatar
 
knopp committed
339

340
int16_t           glog_level         = LOG_INFO;
gauthier's avatar
 
gauthier committed
341
int16_t           glog_verbosity     = LOG_MED;
342
int16_t           hw_log_level       = LOG_INFO;
gauthier's avatar
 
gauthier committed
343
int16_t           hw_log_verbosity   = LOG_MED;
344
int16_t           phy_log_level      = LOG_INFO;
gauthier's avatar
 
gauthier committed
345
int16_t           phy_log_verbosity  = LOG_MED;
346
int16_t           mac_log_level      = LOG_INFO;
gauthier's avatar
 
gauthier committed
347
int16_t           mac_log_verbosity  = LOG_MED;
348
int16_t           rlc_log_level      = LOG_INFO;
gauthier's avatar
 
gauthier committed
349
int16_t           rlc_log_verbosity  = LOG_MED;
350
int16_t           pdcp_log_level     = LOG_INFO;
gauthier's avatar
 
gauthier committed
351
int16_t           pdcp_log_verbosity = LOG_MED;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
352
int16_t           rrc_log_level      = LOG_INFO;
gauthier's avatar
 
gauthier committed
353
int16_t           rrc_log_verbosity  = LOG_MED;
354 355 356
int16_t           opt_log_level      = LOG_INFO;
int16_t           opt_log_verbosity  = LOG_MED;

gauthier's avatar
 
gauthier committed
357 358 359 360 361 362
# 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
363 364 365
#if defined (ENABLE_SECURITY)
int16_t           osa_log_level      = LOG_INFO;
int16_t           osa_log_verbosity  = LOG_MED;
366
#endif
367

knopp's avatar
 
knopp committed
368 369

#ifdef ETHERNET
370 371
char *rrh_UE_ip = "127.0.0.1";
int rrh_UE_port = 51000;
knopp's avatar
 
knopp committed
372
#endif
373 374 375 376 377 378

/* flag set by eNB conf file to specify if the radio head is local or remote (default option is local) */
uint8_t local_remote_radio = BBU_LOCAL_RADIO_HEAD;
/* struct for ethernet specific parameters given in eNB conf file */
eth_params_t *eth_params;

knopp's avatar
 
knopp committed
379
char uecap_xer[1024],uecap_xer_in=0;
380 381
extern void *UE_thread(void *arg);
extern void init_UE_threads(void);
knopp's avatar
 
knopp committed
382

383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423
/*---------------------BMC: timespec helpers -----------------------------*/

struct timespec min_diff_time = { .tv_sec = 0, .tv_nsec = 0 };
struct timespec max_diff_time = { .tv_sec = 0, .tv_nsec = 0 };

struct timespec clock_difftime(struct timespec start, struct timespec end)
{
    struct timespec temp;
    if ((end.tv_nsec-start.tv_nsec)<0) {
        temp.tv_sec = end.tv_sec-start.tv_sec-1;
	temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
    } else {
        temp.tv_sec = end.tv_sec-start.tv_sec;
	temp.tv_nsec = end.tv_nsec-start.tv_nsec;
    }
    return temp;
}

void print_difftimes()
{
#ifdef DEBUG
    printf("difftimes min = %lu ns ; max = %lu ns\n", min_diff_time.tv_nsec, max_diff_time.tv_nsec);
#else
    LOG_I(HW,"difftimes min = %lu ns ; max = %lu ns\n", min_diff_time.tv_nsec, max_diff_time.tv_nsec);
#endif
}

void update_difftimes(struct timespec start, struct timespec end)
{
    struct timespec diff_time = { .tv_sec = 0, .tv_nsec = 0 };
    int             changed = 0;
    diff_time = clock_difftime(start, end);
    if ((min_diff_time.tv_nsec == 0) || (diff_time.tv_nsec < min_diff_time.tv_nsec)) { min_diff_time.tv_nsec = diff_time.tv_nsec; changed = 1; }
    if ((max_diff_time.tv_nsec == 0) || (diff_time.tv_nsec > max_diff_time.tv_nsec)) { max_diff_time.tv_nsec = diff_time.tv_nsec; changed = 1; }
#if 1
    if (changed) print_difftimes();
#endif
}

/*------------------------------------------------------------------------*/

424
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
425
{
knopp's avatar
 
knopp committed
426
  return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
427 428 429
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
knopp's avatar
 
knopp committed
430
  return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
431 432
}

433
#if !defined(ENABLE_ITTI)
434 435 436 437 438 439 440 441
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);
442

443 444 445 446
    // print out all the frames to stderr
    fprintf(stderr, "Error: signal %d:\n", sig);
    backtrace_symbols_fd(array, size, 2);
    exit(-1);
447 448
  } else {
    printf("trying to exit gracefully...\n");
449
    oai_exit = 1;
450 451
  }
}
452
#endif
nikaeinn's avatar
nikaeinn committed
453 454 455 456 457 458 459 460 461 462 463
#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");
464
  printf("  --rf-config-file Configuration file for front-end (e.g. LMS7002M)\n");
nikaeinn's avatar
nikaeinn committed
465 466 467 468
  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
469 470
  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
471
  printf("  --no-L2-connect bypass L2 and upper layers\n");
472 473 474 475
  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");
476
  printf("  -C Set the downlink frequency for all component carriers\n");
nikaeinn's avatar
nikaeinn committed
477 478 479
  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");
480
  printf("  -G Set the global log verbosity \n");
nikaeinn's avatar
nikaeinn committed
481 482 483 484 485
  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("  -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
486
  printf("  -r Set the PRB, valid values: 6, 25, 50, 100  \n");    
nikaeinn's avatar
nikaeinn committed
487 488
  printf("  -S Skip the missed slots/subframes \n");    
  printf("  -t Set the maximum uplink MCS\n");
489
  printf("  -T Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n");
nikaeinn's avatar
nikaeinn committed
490 491 492 493
  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);    
494

nikaeinn's avatar
nikaeinn committed
495
}
496 497
void exit_fun(const char* s)
{
498
  if (s != NULL) {
499
    printf("%s %s() Exiting OAI softmodem: %s\n",__FILE__, __FUNCTION__, s);
500 501 502 503 504
  }

  oai_exit = 1;

#if defined(ENABLE_ITTI)
Florian Kaltenberger's avatar
Florian Kaltenberger committed
505
  sleep(1); //allow lte-softmodem threads to exit first
506
  itti_terminate_tasks (TASK_UNKNOWN);
507
#endif
508 509 510 511 512 513

  //rt_sleep_ns(FRAME_PERIOD);

  //exit (-1);
}

514

515
#ifdef XFORMS
516

517 518
void reset_stats(FL_OBJECT *button, long arg)
{
519 520
  int i,j,k;
  PHY_VARS_eNB *phy_vars_eNB = PHY_vars_eNB_g[0][0];
521 522 523 524 525 526 527

  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;
528
      }
529

530 531 532
      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;
533 534 535 536 537 538

      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;
539
      }
540
    }
541

542 543 544
    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;
545 546 547
  }
}

548 549
static void *scope_thread(void *arg)
{
knopp's avatar
 
knopp committed
550
  char stats_buffer[16384];
551
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
 
knopp committed
552
  FILE *UE_stats, *eNB_stats;
553
# endif
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
554
  int len = 0;
knopp's avatar
 
knopp committed
555
  struct sched_param sched_param;
556
  int UE_id, CC_id;
557

558
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
knopp's avatar
 
knopp committed
559
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
560

knopp's avatar
 
knopp committed
561
  printf("Scope thread has priority %d\n",sched_param.sched_priority);
562

563
# ifdef ENABLE_XFORMS_WRITE_STATS
564 565

  if (UE_flag==1)
knopp's avatar
 
knopp committed
566
    UE_stats  = fopen("UE_stats.txt", "w");
567
  else
knopp's avatar
 
knopp committed
568
    eNB_stats = fopen("eNB_stats.txt", "w");
569

570
#endif
571

knopp's avatar
 
knopp committed
572 573
  while (!oai_exit) {
    if (UE_flag==1) {
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
574
      len = dump_ue_stats (PHY_vars_UE_g[0][0], stats_buffer, 0, mode,rx_input_level_dBm);
knopp's avatar
knopp committed
575 576 577
      //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);
578

579 580 581 582 583
      phy_scope_UE(form_ue[0],
                   PHY_vars_UE_g[0][0],
                   0,
                   0,7);

knopp's avatar
 
knopp committed
584
    } else {
585 586 587 588 589 590
      if (PHY_vars_eNB_g[0][0]->mac_enabled==1) {
	len = dump_eNB_l2_stats (stats_buffer, 0);
	//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
591
      len = dump_eNB_stats (PHY_vars_eNB_g[0][0], stats_buffer, 0);
592

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
593
      if (MAX_NUM_CCs>1)
594 595
        len += dump_eNB_stats (PHY_vars_eNB_g[0][1], &stats_buffer[len], 0);

kaltenbe's avatar
kaltenbe committed
596 597 598
      //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);
599

600
      for(UE_id=0; UE_id<scope_enb_num_ue; UE_id++) {
601 602 603 604 605
	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
606
      }
607

608
    }
609

knopp's avatar
 
knopp committed
610
    //printf("doing forms\n");
Florian Kaltenberger's avatar
Florian Kaltenberger committed
611 612
    //usleep(100000); // 100 ms
    sleep(1);
knopp's avatar
 
knopp committed
613
  }
614

615
  //  printf("%s",stats_buffer);
616

617
# ifdef ENABLE_XFORMS_WRITE_STATS
618

619 620 621 622 623 624
  if (UE_flag==1) {
    if (UE_stats) {
      rewind (UE_stats);
      fwrite (stats_buffer, 1, len, UE_stats);
      fclose (UE_stats);
    }
625
  } else {
626 627 628 629 630 631
    if (eNB_stats) {
      rewind (eNB_stats);
      fwrite (stats_buffer, 1, len, eNB_stats);
      fclose (eNB_stats);
    }
  }
632

633
# endif
634

knopp's avatar
 
knopp committed
635
  pthread_exit((void*)arg);
636 637 638 639 640 641
}
#endif

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

jiangx's avatar
jiangx committed
642 643 644 645 646 647 648 649
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;

650
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
jiangx's avatar
jiangx committed
651
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
652

jiangx's avatar
jiangx committed
653 654 655
  printf("GPS thread has priority %d\n",sched_param.sched_priority);

  memset(&dummy_gps_data,0,sizeof(struct gps_fix_t));
656

jiangx's avatar
jiangx committed
657 658
#if GPSD_API_MAJOR_VERSION>=5
  ret = gps_open("127.0.0.1","2947",gps_data_ptr);
659

jiangx's avatar
jiangx committed
660 661 662
  if (ret!=0)
#else
  gps_data_ptr = gps_open("127.0.0.1","2947");
663 664

  if (gps_data_ptr == NULL)
jiangx's avatar
jiangx committed
665
#endif
666 667 668 669 670
  {
    printf("[EMOS] Could not open GPS\n");
    pthread_exit((void*)arg);
  }

jiangx's avatar
jiangx committed
671 672 673 674 675
#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
676 677 678 679
  {
    printf("[EMOS] Error sending command to GPS\n");
    pthread_exit((void*) arg);
  } else
jiangx's avatar
jiangx committed
680 681
    printf("[EMOS] Opened GPS, gps_data=%p\n", gps_data_ptr);

682 683 684

  while (!oai_exit) {
    printf("[EMOS] polling data from gps\n");
jiangx's avatar
jiangx committed
685
#if GPSD_API_MAJOR_VERSION>=5
686 687 688

    if (gps_waiting(gps_data_ptr,500)) {
      if (gps_read(gps_data_ptr) <= 0) {
jiangx's avatar
jiangx committed
689
#else
690 691 692 693 694 695 696 697

    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
698
      }
699 700 701 702 703 704 705 706
    } //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
707 708 709 710 711

  pthread_exit((void*) arg);

}

712 713 714 715 716 717 718 719 720 721 722
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;
723

jiangx's avatar
jiangx committed
724
  int channel_buffer_size,ret;
725

726 727 728
  time_t timer;
  struct tm *now;

729
  struct sched_param sched_param;
730 731

  sched_param.sched_priority = sched_get_priority_max(SCHED_FIFO)-1;
732
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
733

734
  printf("EMOS thread has priority %d\n",sched_param.sched_priority);
735

736 737 738 739 740 741 742 743 744 745 746 747
  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;

748 749 750 751
  if (fifo2file_buffer == NULL) {
    printf("[EMOS] Cound not allocate memory for fifo2file_buffer\n");
    exit(EXIT_FAILURE);
  }
752

753 754 755 756
  if ((fifo = open(CHANSOUNDER_FIFO_DEV, O_RDONLY)) < 0) {
    fprintf(stderr, "[EMOS] Error opening the fifo\n");
    exit(EXIT_FAILURE);
  }
757 758 759 760 761


  time(&starttime_tmp);
  localtime_r(&starttime_tmp,&starttime);
  snprintf(dumpfile_name,1024,"/tmp/%s_data_%d%02d%02d_%02d%02d%02d.EMOS",
762 763
           (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);
764 765

  dumpfile_id = fopen(dumpfile_name,"w");
766 767 768 769 770

  if (dumpfile_id == NULL) {
    fprintf(stderr, "[EMOS] Error opening dumpfile %s\n",dumpfile_name);
    exit(EXIT_FAILURE);
  }
771 772


jiangx's avatar
jiangx committed
773
  printf("[EMOS] starting dump, channel_buffer_size=%d, fifo %d\n",channel_buffer_size,fifo);
774

775 776 777 778 779 780 781
  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);
782

783 784 785 786
    if (bytes<=0) {
      usleep(100);
      continue;
    }
787

788 789 790
    if (bytes != channel_buffer_size) {
      printf("[EMOS] ERROR! Only got %d bytes instead of %d!\n",bytes,channel_buffer_size);
    }
791

792 793 794 795 796 797
    /*
    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);
    */
798

799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819
    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
820

821 822 823 824
      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);
      }
825
    }
826 827
  }

828 829 830
  free(fifo2file_buffer);
  fclose(dumpfile_id);
  close(fifo);
831

832 833 834 835 836
  pthread_exit((void*) arg);

}
#endif

837 838


839
#if defined(ENABLE_ITTI)
840 841 842 843 844
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[] = {".    ", "..   ", "...  ", ".... ", ".....",
845 846
                                " ....", "  ...", "   ..", "    .", "     "
                               };
847 848 849 850
    int i = 0;

    while ((!oai_exit) && (*start_flag == 0)) {
      LOG_N(EMU, message, indicator[i]);
851
      fflush(stdout);
852 853 854
      i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
      usleep(200000);
    }
855

856 857 858 859 860
    LOG_D(EMU,"\n");
  }
}
#endif

knopp's avatar
 
knopp committed