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7ed4fa3eb585e45f675397f20d8a806c8135d040
openairinterface5g/targets/RTAI/USER/synctest.c
T
Cedric Roux 56c66c09aa - Fix: avoid infinite loop on mulitcast read thread if no data to read 
Pre-ci test passed

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2013-06-25 09:05:02 +00:00

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/*******************************************************************************
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 synctest.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 <rtai_lxrt.h>
#include <rtai_sem.h>
#include <rtai_msg.h>
#include "PHY/types.h"
#include "PHY/defs.h"
#include "ARCH/COMMON/defs.h"
#include "ARCH/CBMIMO1/DEVICE_DRIVER/cbmimo1_device.h"
#include "ARCH/CBMIMO1/DEVICE_DRIVER/cbmimo1_pci.h"
#include "SIMULATION/LTE_PHY/openair_hw.h"
#include "PHY/vars.h"
#include "MAC_INTERFACE/vars.h"
#include "SCHED/vars.h"
#include "ARCH/CBMIMO1/DEVICE_DRIVER/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"
#ifndef CELLULAR
#include "RRC/LITE/vars.h"
#endif
#include "PHY_INTERFACE/vars.h"
#endif
#include "UTIL/LOG/log_extern.h"
#include "UTIL/OTG/otg.h"
#include "UTIL/OTG/otg_vars.h"
#include "UTIL/MATH/oml.h"
#ifdef XFORMS
#include <forms.h>
#include "lte_scope.h"
//#include "USERSPACE_TOOLS/SCOPE/lte_scope.h"
#include "stats.h"
FD_lte_scope *form_dl=NULL;
FD_stats_form *form_stats=NULL;
#endif //XFORMS
#define FRAME_PERIOD 100000000ULL
#define DAQ_PERIOD 66666ULL
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
static SEM *mutex;
//static CND *cond;
static int thread0;
static int thread1;
static int sync_thread;
pthread_t thread2;
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 openair_fd = 0;
int oai_exit = 0;
//PCI_interface_t *pci_interface[3];
unsigned int *DAQ_MBOX;
//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;
struct timing_info_t {
unsigned int frame, hw_slot, last_slot, next_slot;
RTIME time0, time1, time2;
unsigned int mbox0, mbox1, mbox2, mbox_target;
} timing_info[20];
extern s16* sync_corr_ue0;
extern s16 prach_ifft[4][1024*2];
runmode_t mode;
int rx_input_level_dBm;
int otg_enabled = 0;
int init_dlsch_threads(void);
void cleanup_dlsch_threads(void);
LTE_DL_FRAME_PARMS *frame_parms;
#ifdef EXMIMO
u32 carrier_freq[4]= {1907600000,1907600000,1907600000,1907600000};
#endif
void signal_handler(int sig)
{
void *array[10];
size_t size;
oai_exit=1;
// 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);
}
void exit_fun(const char* s)
{
void *array[10];
size_t size;
int fd;
printf("Exiting: %s\n",s);
oai_exit=1;
rt_sleep(nano2count(FRAME_PERIOD));
// cleanup
stop_rt_timer();
fd = 0;
ioctl(openair_fd,openair_STOP,&fd);
munmap((void*)mem_base, BIGPHYS_NUMPAGES*4096);
exit (-1);
}
#ifdef XFORMS
void ia_receiver_on_off( FL_OBJECT *button, long arg) {
if (fl_get_button(button)) {
if (UE_flag==1) {
fl_set_object_label(button, "IA Receiver ON");
openair_daq_vars.use_ia_receiver = 1;
fl_set_object_color(button, FL_GREEN, FL_GREEN);
// LOG_I(PHY,"Pressed the button: IA receiver ON\n");
}
else {
fl_set_object_label(button, "DL traffic ON");
fl_set_object_color(button, FL_GREEN, FL_GREEN);
otg_enabled = 1;
}
}
else {
if (UE_flag==1) {
fl_set_object_label(button, "IA Receiver OFF");
openair_daq_vars.use_ia_receiver = 0;
fl_set_object_color(button, FL_RED, FL_RED);
// LOG_I(PHY,"Pressed the button: IA receiver OFF\n");
}
else {
fl_set_object_label(button, "DL traffic OFF");
fl_set_object_color(button, FL_RED, FL_RED);
otg_enabled = 0;
}
}
}
void do_forms2(FD_lte_scope *form,
LTE_DL_FRAME_PARMS *frame_parms,
int pdcch_symbols,
int UE_flag,
s16 **channel,
s16 **channel_f,
s16 **rx_sig,
s16 **rx_sig_f,
s16 *pdcch_comp,
s16 *dlsch_comp,
s16 *dlsch_comp_i,
s16 *dlsch_llr,
s16 *pbch_comp,
s8 *pbch_llr,
u32 *avg_tput,
u32 *avg_tput_time,
u16 tput_window,
s16 coded_bits_per_codeword,
s16 *sync_corr,
s16 sync_corr_len)
{
int i,j,k,s;
int aa, xx=128, yy=128;//b
float x_label[300], y_label[300];//b
float Re,Im;
float mag_sig[NB_ANTENNAS_RX*4*NUMBER_OF_OFDM_CARRIERS*NUMBER_OF_OFDM_SYMBOLS_PER_SLOT],
sig_time[NB_ANTENNAS_RX*4*NUMBER_OF_OFDM_CARRIERS*NUMBER_OF_OFDM_SYMBOLS_PER_SLOT],
sig2[FRAME_LENGTH_COMPLEX_SAMPLES],
time2[FRAME_LENGTH_COMPLEX_SAMPLES],
I[25*12*11*4], Q[25*12*11*4],tput[tput_window],tput_time[tput_window],
*llr,*llr_time;
int ind;
float avg, cum_avg,tput_max=0;
int nb_tx_ant = (UE_flag==1 ? frame_parms->nb_antennas_tx_eNB : 1);
int nb_ce_symb = (UE_flag==1 ? 1 : frame_parms->symbols_per_tti);
llr = malloc(coded_bits_per_codeword*sizeof(float));
llr_time = malloc(coded_bits_per_codeword*sizeof(float));
// Channel frequency response
if ((channel_f != NULL) && (channel_f[0] != NULL))
{
cum_avg = 0;
ind = 0;
for (j=0; j<nb_tx_ant; j++)
{
for (i=0; i<frame_parms->nb_antennas_rx; i++)
{
for (k=0; k<(12*frame_parms->N_RB_DL*nb_ce_symb); k++)
{
sig_time[ind] = (float)ind;
Re = (float)(channel_f[(j<<1)+i][(2*k)]);
Im = (float)(channel_f[(j<<1)+i][(2*k)+1]);
//mag_sig[ind] = (short) rand();
mag_sig[ind] = (short)10*log10(1.0+((double)Re*Re + (double)Im*Im));
cum_avg += (short)sqrt((double)Re*Re + (double)Im*Im) ;
ind++;
}
// ind+=NUMBER_OF_OFDM_CARRIERS/4; // spacing for visualization
}
}
avg = cum_avg/NUMBER_OF_USEFUL_CARRIERS;
//fl_set_xyplot_ybounds(form->channel_f,30,70);
fl_set_xyplot_data(form->channel_f,sig_time,mag_sig,ind,"","","");
}
// time domain channel
if ((channel != NULL) && (channel[0] !=NULL))
{
for (i=0; i<512; i++)
{
time2[i] = (float) i;
sig2[i] = (float) (channel[0][4*i]*channel[0][4*i]+channel[0][4*i+1]*channel[0][4*i+1]);
}
fl_set_xyplot_data(form->channel_t_im,time2,sig2,128,"","","");
//fl_set_xyplot_ybounds(form->channel_t_im,0,1e6);
}
/*
// sync_corr
if (sync_corr != NULL)
{
for (i=0; i<sync_corr_len; i++)
{
time2[i] = (float) i;
sig2[i] = (float) sync_corr[i];
}
fl_set_xyplot_data(form->channel_t_im,time2,sig2,sync_corr_len,"","","");
//fl_set_xyplot_ybounds(form->channel_t_im,0,1e6);
}
*/
// rx sig 0
if (rx_sig != NULL) {
if (rx_sig[0] != NULL)
{
//for (i=30720; i<38400; i++)
//for (i=0; i<NUMBER_OF_OFDM_CARRIERS*frame_parms->symbols_per_tti/2; i++) {
for (i=0; i<FRAME_LENGTH_COMPLEX_SAMPLES; i++)
{
sig2[i] = 10*log10(1.0+(double) ((rx_sig[0][2*i])*(rx_sig[0][2*i])+(rx_sig[0][2*i+1])*(rx_sig[0][2*i+1])));
//sig2[i] = (float) ((rx_sig[0][2*i]));
time2[i] = (float) i;
}
fl_set_xyplot_ybounds(form->channel_t_re,30,70);
//fl_set_xyplot_data(form->channel_t_re,&time2[640*12*6],&sig2[640*12*6],640*12,"","","");
fl_set_xyplot_data(form->channel_t_re,time2,sig2,FRAME_LENGTH_COMPLEX_SAMPLES,"","","");
}
/*
// rx sig 1
if (rx_sig[1] !=NULL) {
//for (i=30720; i<38400; i++)
for (i=0; i<FRAME_LENGTH_COMPLEX_SAMPLES; i++)
{
sig2[i] = 10*log10(1.0+(double) ((rx_sig[1][2*i])*(rx_sig[1][2*i])+(rx_sig[1][2*i+1])*(rx_sig[1][2*i+1])));
//sig2[i] = (float) ((rx_sig[1][2*i]));
time2[i] = (float) i;
}
fl_set_xyplot_ybounds(form->channel_t_im,30,70);
//fl_set_xyplot_data(form->channel_t_im,&time2[640*12*6],&sig2[640*12*6],640*12,"","","");
fl_set_xyplot_data(form->channel_t_im,time2,sig2,FRAME_LENGTH_COMPLEX_SAMPLES,"","","");
}
*/
}
// PBCH LLR
if (pbch_llr!=NULL)
{
j=0;
for (i=0; i<1920; i++)
{
llr[j] = (float) pbch_llr[i];
llr_time[j] = (float) j;
//if (i==63)
// i=127;
//else if (i==191)
// i=319;
j++;
}
fl_set_xyplot_data(form->decoder_input,llr_time,llr,1920,"","","");
//fl_set_xyplot_ybounds(form->decoder_input,-100,100);
}
// PBCH I/Q
if (pbch_comp!=NULL)
{
j=0;
for (i=0; i<12*12; i++)
{
I[j] = pbch_comp[2*i];
Q[j] = pbch_comp[2*i+1];
j++;
//if (i==47)
// i=96;
//else if (i==191)
// i=239;
}
fl_set_xyplot_data(form->scatter_plot,I,Q,12*12,"","","");
fl_set_xyplot_xbounds(form->scatter_plot,-100,100);
fl_set_xyplot_ybounds(form->scatter_plot,-100,100);
}
// PDCCH I/Q
if (pdcch_comp!=NULL)
{
j=0;
for (i=0; i<12*25*1; i++)
{
I[j] = pdcch_comp[2*i];
Q[j] = pdcch_comp[2*i+1];
j++;
}
fl_set_xyplot_data(form->scatter_plot1,I,Q,12*25*1,"","","");
fl_set_xyplot_xbounds(form->scatter_plot1,-100,100);
fl_set_xyplot_ybounds(form->scatter_plot1,-100,100);
}
// DLSCH LLR
if (dlsch_llr != NULL)
{
for (i=0; i<coded_bits_per_codeword; i++)
{
llr[i] = (float) dlsch_llr[i];
llr_time[i] = (float) i;
}
fl_set_xyplot_data(form->demod_out,llr_time,llr,coded_bits_per_codeword,"","","");
// fl_set_xyplot_ybounds(form->demod_out,-1000,1000);
}
else
printf("lls==NULL\n");
// DLSCH I/Q
if (dlsch_comp!=NULL)
{
j=0;
for (s=pdcch_symbols; s<frame_parms->symbols_per_tti; s++)
{
for (i=0; i<12*25; i++)
{
I[j] = dlsch_comp[(2*25*12*s)+2*i];
Q[j] = dlsch_comp[(2*25*12*s)+2*i+1];
j++;
}
//if (s==2)
// s=3;
//else if (s==5)
// s=6;
//else if (s==8)
// s=9;
}
fl_set_xyplot_data(form->scatter_plot2,I,Q,j,"","","");
//fl_set_xyplot_xbounds(form->scatter_plot2,-100,100);
//fl_set_xyplot_ybounds(form->scatter_plot2,-100,100);
}
// Throughput
if (avg_tput!=NULL) {
for (i=0; i<tput_window; i++) {
tput[i] = (float) avg_tput[i];
tput_time[i] = (float) avg_tput_time[i];
if (tput[i] > tput_max) {
tput_max = tput[i];
}
}
fl_set_xyplot_data(form->tput,tput_time,tput,tput_window,"","","");
fl_set_xyplot_ybounds(form->tput,0,tput_max);
}
fl_check_forms();
free(llr);
free(llr_time);
}
void *scope_thread(void *arg)
{
s16 prach_corr[1024], i;
char stats_buffer[16384];
//FILE *UE_stats, *eNB_stats;
int len=0;
u16 tput_window = 100;
unsigned int avg_tput_eNB[tput_window];
unsigned int avg_tput_UE[tput_window];
unsigned int tput_time_UE[tput_window];
unsigned int tput_time_eNB[tput_window];
memset((void*) avg_tput_UE,0,sizeof(unsigned int)*tput_window);
memset((void*) avg_tput_eNB,0,sizeof(unsigned int)*tput_window);
memset((void*) tput_time_UE,0,sizeof(unsigned int)*tput_window);
memset((void*) tput_time_eNB,0,sizeof(unsigned int)*tput_window);
/*
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);
/*
if (PHY_vars_UE_g[0]->frame<tput_window) {
avg_tput_UE[PHY_vars_UE_g[0]->frame] = PHY_vars_UE_g[0]->bitrate[0]/1000;
tput_time_UE[PHY_vars_UE_g[0]->frame] = PHY_vars_UE_g[0]->frame;
}
else {
*/
memcpy((void*)avg_tput_UE,(void*)&avg_tput_UE[1],(tput_window-1)*sizeof(unsigned int));
memcpy((void*)tput_time_UE,(void*)&tput_time_UE[1],(tput_window-1)*sizeof(unsigned int));
avg_tput_UE[tput_window-1] = PHY_vars_UE_g[0]->bitrate[0]/1000;
tput_time_UE[tput_window-1] = PHY_vars_UE_g[0]->frame;
do_forms2(form_dl,
&(PHY_vars_UE_g[0]->lte_frame_parms),
PHY_vars_UE_g[0]->lte_ue_pdcch_vars[0]->num_pdcch_symbols,
UE_flag,
(s16**)PHY_vars_UE_g[0]->lte_ue_common_vars.dl_ch_estimates_time[0],
(s16**)PHY_vars_UE_g[0]->lte_ue_common_vars.dl_ch_estimates[0],
(s16**)PHY_vars_UE_g[0]->lte_ue_common_vars.rxdata,
(s16**)PHY_vars_UE_g[0]->lte_ue_common_vars.rxdataF,
(s16*)PHY_vars_UE_g[0]->lte_ue_pdcch_vars[0]->rxdataF_comp[0],
(s16*)PHY_vars_UE_g[0]->lte_ue_pdsch_vars[0]->rxdataF_comp[0],
(s16*)PHY_vars_UE_g[0]->lte_ue_pdsch_vars[1]->rxdataF_comp[0],
(s16*)PHY_vars_UE_g[0]->lte_ue_pdsch_vars[0]->llr[0],
(s16*)PHY_vars_UE_g[0]->lte_ue_pbch_vars[0]->rxdataF_comp[0],
(s8*)PHY_vars_UE_g[0]->lte_ue_pbch_vars[0]->llr,
avg_tput_UE,
tput_time_UE,
tput_window,
15000,
/*get_G(&PHY_vars_UE_g[0]->lte_frame_parms,
PHY_vars_UE_g[0]->dlsch_ue[0][0]->nb_rb,
PHY_vars_UE_g[0]->dlsch_ue[0][0]->rb_alloc,
get_Qm(PHY_vars_UE_g[0]->dlsch_ue[0][0]->harq_processes[0]->mcs),
PHY_vars_UE_g[0]->lte_ue_pdcch_vars[0]->num_pdcch_symbols,7),*/
sync_corr_ue0,
PHY_vars_UE_g[0]->lte_frame_parms.samples_per_tti*10);
}
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);
/*
if (PHY_vars_eNB_g[0]->frame<tput_window) {
avg_tput_eNB[PHY_vars_UE_g[0]->frame] = PHY_vars_UE_g[0]->bitrate[0]/1000;
tput_time_UE[PHY_vars_UE_g[0]->frame] = PHY_vars_UE_g[0]->frame;
}
else {
*/
memcpy((void*)avg_tput_eNB,(void*)&avg_tput_eNB[1],(tput_window-1)*sizeof(unsigned int));
memcpy((void*)tput_time_eNB,(void*)&tput_time_eNB[1],(tput_window-1)*sizeof(unsigned int));
avg_tput_eNB[tput_window-1] = PHY_vars_eNB_g[0]->total_dlsch_bitrate/1000;
tput_time_eNB[tput_window-1] = PHY_vars_eNB_g[0]->frame;
for (i=0;i<1024;i++)
prach_corr[i] = ((s32)prach_ifft[0][i<<2]*prach_ifft[0][i<<2]+
(s32)prach_ifft[0][1+(i<<2)]*prach_ifft[0][1+(i<<2)]) >> 15;
do_forms2(form_dl,
&(PHY_vars_eNB_g[0]->lte_frame_parms),
0,
UE_flag,
(s16**)PHY_vars_eNB_g[0]->lte_eNB_pusch_vars[0]->drs_ch_estimates_time[0],
(s16**)PHY_vars_eNB_g[0]->lte_eNB_pusch_vars[0]->drs_ch_estimates[0],
(s16**)PHY_vars_eNB_g[0]->lte_eNB_common_vars.rxdata[0],
(s16**)PHY_vars_eNB_g[0]->lte_eNB_common_vars.rxdataF[0],
NULL,
(s16*)PHY_vars_eNB_g[0]->lte_eNB_pusch_vars[0]->rxdataF_comp[0][0],
NULL,
(s16*)PHY_vars_eNB_g[0]->lte_eNB_pusch_vars[0]->llr,
NULL,
NULL,
avg_tput_eNB,
tput_time_eNB,
tput_window,
PHY_vars_eNB_g[0]->ulsch_eNB[0]->harq_processes[0]->nb_rb*12*get_Qm(PHY_vars_eNB_g[0]->ulsch_eNB[0]->harq_processes[0]->mcs)*PHY_vars_eNB_g[0]->ulsch_eNB[0]->Nsymb_pusch,
prach_corr,
1024);
}
//printf("doing forms\n");
sleep(0.1);
}
//fclose (UE_stats);
//fclose (eNB_stats);
return (void*)(1);
}
#endif
int dummy_tx_buffer[3840*4] __attribute__((aligned(16)));
static void *sync_hw(void *arg)
{
RT_TASK *task;
task = rt_task_init_schmod(nam2num("TASK2"), 0, 0, 0, SCHED_FIFO, 0xF);
mlockall(MCL_CURRENT | MCL_FUTURE);
rt_printk("fun0: task %p\n",task);
#ifdef HARD_RT
rt_make_hard_real_time();
#endif
while (!oai_exit)
{
rt_printk("exmimo_pci_interface->mbox = %d\n",((unsigned int *)DAQ_MBOX)[0]);
rt_sleep(nano2count(FRAME_PERIOD*10));
}
}
/* 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)
{
RT_TASK *task;
int slot=0,hw_slot,last_slot, next_slot,frame=0;
unsigned int msg1;
unsigned int aa,slot_offset, slot_offset_F;
int diff;
int delay_cnt;
RTIME time_in;
int mbox_target=0,mbox_current=0;
int i;
int tx_offset;
task = rt_task_init_schmod(nam2num("TASK0"), 0, 0, 0, SCHED_FIFO, 0xF);
mlockall(MCL_CURRENT | MCL_FUTURE);
rt_printk("Started eNB thread (id %p)\n",task);
#ifdef HARD_RT
rt_make_hard_real_time();
#endif
while (!oai_exit)
{
// rt_printk("eNB: slot %d\n",slot);
#ifdef CBMIMO1
rt_sem_wait(mutex);
/*
if ((slot%2000)<10)
rt_printk("fun0: Hello World %d, instance_cnt %d!\n",slot,*instance_cnt_ptr_user);
*/
while (*instance_cnt_ptr_user<0)
{
rt_sem_signal(mutex);
rt_receive(0,&msg1);
rt_sem_wait(mutex);
/*
if ((slot%2000)<10)
rt_printk("fun0: instance_cnt %d, msg1 %d!\n",*instance_cnt_ptr_user,msg1);
*/
}
rt_sem_signal(mutex);
slot = msg1 % LTE_SLOTS_PER_FRAME;
#else
hw_slot = (((((unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
//this is the mbox counter where we should be
mbox_target = ((((slot+1)%20)*15+1)>>1)%150;
//this is the mbox counter where we are
mbox_current = ((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 (diff < (-5)) {
rt_printk("eNB Frame %d: missed slot, proceeding with next one (slot %d, hw_slot %d, diff %d)\n",frame, slot, hw_slot, diff);
slot++;
if (slot==20)
slot=0;
continue;
}
if (diff>8)
rt_printk("eNB 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, diff);
delay_cnt = 0;
while ((diff>0) && (!oai_exit))
{
time_in = rt_get_time_ns();
//rt_printk("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);
//rt_printk("Frame %d: slot %d, sleeping for %llu\n", frame, slot, diff*DAQ_PERIOD);
rt_sleep(nano2count(diff*DAQ_PERIOD));
hw_slot = (((((unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
//rt_printk("eNB Frame %d : hw_slot %d, time %llu\n",frame,hw_slot,rt_get_time_ns());
delay_cnt++;
if (delay_cnt == 10)
{
oai_exit = 1;
rt_printk("eNB Frame %d: HW stopped ... \n",frame);
}
mbox_current = ((unsigned int *)DAQ_MBOX)[0];
if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
diff = 150-mbox_current+mbox_target;
else
diff = mbox_target - mbox_current;
}
#endif
last_slot = (slot)%LTE_SLOTS_PER_FRAME;
if (last_slot <0)
last_slot+=20;
next_slot = (slot+3)%LTE_SLOTS_PER_FRAME;
//PHY_vars_eNB_g[0]->frame = frame;
if (frame>5)
{
/*
if (frame%100==0)
rt_printk("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 (fs4_test==0)
{
phy_procedures_eNB_lte (last_slot, next_slot, PHY_vars_eNB_g[0], 0);
#ifndef IFFT_FPGA
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)))
{
// rt_printk("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],
#ifdef BIT8_TX
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset>>1],
#else
dummy_tx_buffer,//&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
#endif
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],
#ifdef BIT8_TX
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset>>1],
#else
dummy_tx_buffer,//&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
#endif
7,
&(PHY_vars_eNB_g[0]->lte_frame_parms));
}
#ifdef EXMIMO
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;
}
#endif //EXMIMO
}
}
}
#endif //IFFT_FPGA
/*
if (frame%100==0)
rt_printk("hw_slot %d (after): DAQ_MBOX %d\n",hw_slot,DAQ_MBOX[0]);
*/
}
/*
if ((slot%2000)<10)
rt_printk("fun0: doing very hard work\n");
*/
#ifndef CBMIMO1
slot++;
if (slot==20)
slot=0;
#endif
//slot++;
if ((slot%20)==0)
frame++;
#ifdef CBMIMO1
rt_sem_wait(mutex);
(*instance_cnt_ptr_user)--;
//rt_printk("fun0: instance_cnt %d!\n",*instance_cnt_ptr_user);
rt_sem_signal(mutex);
#endif
}
rt_printk("fun0: finished, ran %d times.\n",slot);
#ifdef HARD_RT
rt_make_soft_real_time();
#endif
// clean task
rt_task_delete(task);
rt_printk("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)
{
RT_TASK *task;
RTIME in, out, diff;
int slot=0,frame=0,hw_slot,last_slot, next_slot;
unsigned int msg1;
unsigned int aa,slot_offset, slot_offset_F;
static int is_synchronized = 0;
static int received_slots = 0;
static int slot0 = 0;
int delay_cnt;
RTIME time_in;
int hw_slot_offset=0,rx_offset_mbox=0,mbox_target=0,mbox_current=0;
int diff2;
static int first_run=1;
int carrier_freq_offset = 0; //-7500;
int i;
task = rt_task_init_schmod(nam2num("TASK0"), 0, 0, 0, SCHED_FIFO, 0xF);
mlockall(MCL_CURRENT | MCL_FUTURE);
rt_printk("Started UE thread (id %p)\n",task);
#ifdef HARD_RT
rt_make_hard_real_time();
#endif
if (mode == rx_calib_ue) {
carrier_freq_offset = -7500;
for (i=0; i<4; i++) {
frame_parms->carrier_freq[i] = carrier_freq[i]+carrier_freq_offset;
frame_parms->carrier_freqtx[i] = carrier_freq[i]+carrier_freq_offset;
}
ioctl(openair_fd,openair_DUMP_CONFIG,frame_parms);
// dump_frame_parms(frame_parms);
}
while (!oai_exit)
{
#ifdef CBMIMO1
rt_sem_wait(mutex);
/*
if ((slot%2000)<10)
rt_printk("fun0: Hello World %d, instance_cnt %d!\n",slot,*instance_cnt_ptr_user);
*/
while (*instance_cnt_ptr_user<0)
{
rt_sem_signal(mutex);
rt_receive(0,&msg1);
rt_sem_wait(mutex);
/*
if ((slot%2000)<10)
rt_printk("fun0: instance_cnt %d, msg1 %d!\n",*instance_cnt_ptr_user,msg1);
*/
}
rt_sem_signal(mutex);
slot = (msg1 - slot0) % LTE_SLOTS_PER_FRAME;
#else
hw_slot = (((((unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15; //the slot the hw is about to store
if (is_synchronized) {
//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;
//this is the mbox counter where we are
mbox_current = ((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 <(-5)) {
rt_printk("UE Frame %d: missed slot, proceeding with next one (slot %d, hw_slot %d, diff %d)\n",frame, slot, hw_slot, diff2);
slot++;
if (slot==20)
slot=0;
continue;
}
if (diff2>8)
rt_printk("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)
rt_printk("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);
*/
timing_info[slot].time0 = rt_get_time_ns();
timing_info[slot].mbox0 = ((unsigned int *)DAQ_MBOX)[0];
delay_cnt = 0;
while ((diff2>0) && (!oai_exit) && (is_synchronized) )
{
rt_sleep(nano2count(diff2*DAQ_PERIOD));
hw_slot = (((((unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
delay_cnt++;
if (delay_cnt == 30)
{
oai_exit = 1;
rt_printk("UE frame %d: HW stopped ... \n",frame);
}
mbox_current = ((unsigned int *)DAQ_MBOX)[0];
if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
diff2 = 150-mbox_current+mbox_target;
else
diff2 = mbox_target - mbox_current;
}
timing_info[slot].time1 = rt_get_time_ns();
timing_info[slot].mbox1 = ((unsigned int *)DAQ_MBOX)[0];
timing_info[slot].mbox_target = mbox_target;
}
#endif
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;
timing_info[slot].frame = PHY_vars_UE_g[0]->frame;
timing_info[slot].hw_slot = hw_slot;
timing_info[slot].last_slot = last_slot;
timing_info[slot].next_slot = next_slot;
if (is_synchronized)
{
/*
if (frame%100==0)
rt_printk("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]);
*/
in = rt_get_time_ns();
phy_procedures_UE_lte (last_slot, next_slot, PHY_vars_UE_g[0], 0, 0,mode);
out = rt_get_time_ns();
diff = out-in;
/*
if (frame % 100 == 0)
rt_printk("hw_slot %d (after): DAQ_MBOX %d\n",hw_slot,DAQ_MBOX[0]);
rt_printk("Frame %d: last_slot %d, phy_procedures_lte_ue time_in %llu, time_out %llu, diff %llu\n",
frame, last_slot,in,out,diff);
*/
timing_info[slot].time2 = rt_get_time_ns();
timing_info[slot].mbox2 = ((unsigned int *)DAQ_MBOX)[0];
}
else // we are not yet synchronized
{
hw_slot_offset = 0;
#ifdef CBMIMO1
if (received_slots==0)
{
ioctl(openair_fd,openair_GET_BUFFER,NULL);
}
if (received_slots==(100*LTE_SLOTS_PER_FRAME)-1) //we got enough slots so we can do sync (the factor 100 is to wait some time longer)
{
rt_printk("fun0: slot %d: doing sync\n",slot);
received_slots = -1; // will be increased below
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);
ioctl(openair_fd,openair_SET_RX_OFFSET,&PHY_vars_UE_g[0]->rx_offset); //synchronize hardware
// here we should actually do another dump config with the parameters obtained from the sync.
ioctl(openair_fd,openair_START_TX_SIG,NULL); //start the DMA transfers
//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));
is_synchronized = 1;
slot0 = msg1;
}
}
received_slots++;
#else
slot = 0;
ioctl(openair_fd,openair_GET_BUFFER,NULL);
rt_sleep(nano2count(FRAME_PERIOD));
// rt_printk("fun0: slot %d: doing sync\n",slot);
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));
*/
if (mode == rx_calib_ue) {
oai_exit=1;
}
else {
is_synchronized = 1;
ioctl(openair_fd,openair_START_TX_SIG,NULL); //start the DMA transfers
hw_slot_offset = (PHY_vars_UE_g[0]->rx_offset<<1) / PHY_vars_UE_g[0]->lte_frame_parms.samples_per_tti;
rt_printk("Got synch: hw_slot_offset %d\n",hw_slot_offset);
}
}
else {
carrier_freq_offset += 100;
if (carrier_freq_offset > 7500) {
LOG_I(PHY,"[initial_sync] No cell synchronization found, abondoning\n");
oai_exit = 1;
}
else {
LOG_I(PHY,"[initial_sync] trying carrier off %d Hz\n",carrier_freq_offset);
for (i=0; i<4; i++) {
frame_parms->carrier_freq[i] = carrier_freq[i]+carrier_freq_offset;
frame_parms->carrier_freqtx[i] = carrier_freq[i]+carrier_freq_offset;
}
ioctl(openair_fd,openair_DUMP_CONFIG,frame_parms);
// dump_frame_parms(frame_parms);
}
}
#endif
}
/*
if ((slot%2000)<10)
rt_printk("fun0: doing very hard work\n");
*/
#ifdef CBMIMO1
rt_sem_wait(mutex);
(*instance_cnt_ptr_user)--;
//rt_printk("fun0: instance_cnt %d!\n",*instance_cnt_ptr_user);
rt_sem_signal(mutex);
#else
slot++;
if (slot==20)
{
slot=0;
frame++;
}
#endif
}
rt_printk("fun0: finished, ran %d times.\n",slot);
#ifdef HARD_RT
rt_make_soft_real_time();
#endif
// clean task
rt_task_delete(task);
rt_printk("Task deleted. returning\n");
return 0;
}
int main(int argc, char **argv) {
RT_TASK *task;
int i,j,aa;
#ifdef EXMIMO
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 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_rxdc[4] = {32896,32896,32896,32896};
u32 rxgain[4]={30,30,30,30};
u32 txgain[4]={25,25,25,25};
#endif
u8 eNB_id=0,UE_id=0;
u16 Nid_cell = 0;
u8 cooperation_flag=0, transmission_mode=1, abstraction_flag=0;
u8 beta_ACK=0,beta_RI=0,beta_CQI=2;
int c;
char do_forms=0;
unsigned int fd;
unsigned int tcxo = 114;
int amp;
u8 prach_fmt;
int N_ZC;
char rxg_fname[100];
char txg_fname[100];
char rflo_fname[100];
FILE *rxg_fd=NULL;
FILE *txg_fd=NULL;
FILE *rflo_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;
char line[1000];
int l;
#ifdef EMOS
int error_code;
#endif
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;
#ifdef XFORMS
char title[255];
#endif
while ((c = getopt_long (argc, argv, "C:ST:UdF:",long_options,NULL)) != -1)
{
switch (c)
{
case 'd':
do_forms=1;
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':
tcxo=atoi(optarg);
break;
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",rxg_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);
fscanf(rflo_fd,"%d %d %d %d",&rf_local[0],&rf_local[1],&rf_local[2],&rf_local[3]);
}
else
printf("%s not found, running with defaults\n",rflo_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();
#ifdef NAS_NETLINK
netlink_init();
#endif
// to make a graceful exit when ctrl-c is pressed
signal(SIGSEGV, signal_handler);
// 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;
frame_parms->nb_antennas_tx_eNB = 2; //initial value overwritten by initial sync later
frame_parms->nb_antennas_tx = (UE_flag==0) ? 2 : 1;
frame_parms->nb_antennas_rx = (UE_flag==0) ? 1 : 1;
frame_parms->mode1_flag = (transmission_mode == 1) ? 1 : 0;
frame_parms->frame_type = 1;
#ifdef CBMIMO1
if (fs4_test==1)
frame_parms->tdd_config = 255;
else
#endif
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;
frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = 0;//n_DMRS1 set to 0
// hardware specific parameters
// for CBMIMO
frame_parms->dual_tx = 0;
frame_parms->freq_idx = 1;
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=1;
frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=0;
frame_parms->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=1;
frame_parms->prach_config_common.prach_ConfigInfo.highSpeedFlag=0;
frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset=0;
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;
if (UE_flag==1) {
#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;
frame_parms->node_id = NODE;
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);
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;
}
compute_prach_seq(&PHY_vars_UE_g[0]->lte_frame_parms.prach_config_common,
PHY_vars_UE_g[0]->lte_frame_parms.frame_type,
PHY_vars_UE_g[0]->X_u);
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;
//PHY_vars_UE_g[0]->lte_frame_parms.
#endif
NB_UE_INST=1;
NB_INST=1;
openair_daq_vars.manual_timing_advance = 0;
//openair_daq_vars.timing_advance = TIMING_ADVANCE_HW;
openair_daq_vars.rx_gain_mode = DAQ_AGC_ON;
openair_daq_vars.use_ia_receiver = 0;
// if AGC is off, the following values will be used
for (i=0;i<4;i++)
rxgain[i]=30;
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];
}
PHY_vars_UE_g[0]->rx_total_gain_dB = PHY_vars_UE_g[0]->rx_gain_max[0];
}
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];
}
PHY_vars_UE_g[0]->rx_total_gain_dB = PHY_vars_UE_g[0]->rx_gain_med[0];
}
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];
}
PHY_vars_UE_g[0]->rx_total_gain_dB = PHY_vars_UE_g[0]->rx_gain_byp[0];
}
PHY_vars_UE_g[0]->tx_power_max_dBm = tx_max_power;
}
else {
#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;
frame_parms->node_id = PRIMARY_CH;
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);
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;
}
compute_prach_seq(&PHY_vars_eNB_g[0]->lte_frame_parms.prach_config_common,
PHY_vars_eNB_g[0]->lte_frame_parms.frame_type,
PHY_vars_eNB_g[0]->X_u);
NB_eNB_INST=1;
NB_INST=1;
openair_daq_vars.ue_dl_rb_alloc=0x1fff;
openair_daq_vars.target_ue_dl_mcs=16;
openair_daq_vars.ue_ul_nb_rb=10;
openair_daq_vars.target_ue_ul_mcs=4;
// if AGC is off, the following values will be used
for (i=0;i<4;i++)
rxgain[i]=30;
// set eNB to max gain
PHY_vars_eNB_g[0]->rx_total_gain_eNB_dB = rxg_max[0]; //was measured at rxgain=30;
for (i=0; i<4; i++) {
frame_parms->rfmode[i] = rf_mode_max[i];
}
}
// for Express MIMO
for (i=0; i<4; i++) {
frame_parms->carrier_freq[i] = carrier_freq[i];
frame_parms->carrier_freqtx[i] = carrier_freq[i];
frame_parms->rxgain[i] = rxgain[i];
frame_parms->txgain[i] = txgain[i];
//frame_parms->rf_mode is set above (individually for UE and eNB)
frame_parms->rflocal[i] = rf_local[i];
frame_parms->rfvcolocal[i] = rf_vcocal[i];
frame_parms->rxdc[i] = rf_rxdc[i];
}
dump_frame_parms(frame_parms);
mac_xface = malloc(sizeof(MAC_xface));
#ifdef OPENAIR2
int eMBMS_active=0;
l2_init(frame_parms,eMBMS_active);
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;
#ifdef OPENAIR2
//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++){
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
}
}
init_predef_traffic();
//}
#endif
// start up the hardware
openair_fd=setup_oai_hw(frame_parms);
number_of_cards = 1;
// connect the TX/RX buffers
if (UE_flag==1)
{
setup_ue_buffers(PHY_vars_UE_g[0],frame_parms,0);
#ifndef CBMIMO1
for (i=0; i<frame_parms->samples_per_tti*10; i++)
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++)
PHY_vars_UE_g[0]->lte_ue_common_vars.txdata[aa][i] = 0x00010001;
#endif
}
else
{
setup_eNB_buffers(PHY_vars_eNB_g[0],frame_parms);
if (fs4_test==0)
{
#ifndef CBMIMO1
printf("Setting eNB buffer to all-RX\n");
// Set LSBs for antenna switch (ExpressMIMO)
for (i=0; i<frame_parms->samples_per_tti*10; i++)
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++)
PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][i] = 0x00010001;
// Set the last OFDM symbol of subframe 4 to TX to allow enough time for switch to settle
// (that's ok since the last symbol can be configured as SRS)
/*
for (i=frame_parms->samples_per_tti*5-0*(frame_parms->ofdm_symbol_size+frame_parms->nb_prefix_samples);
i<frame_parms->samples_per_tti*5; i++)
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++)
PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][i] = 0x0;
*/
#endif
}
else
{
printf("Setting eNB buffer to fs/4 test signal\n");
for (j=0; j<PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti*10; j+=4)
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++)
{
#ifdef CBMIMO1
amp = 0x80;
((char*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+1] = 0;
((char*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+3] = amp-1;
((char*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+5] = 0;
((char*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+7] = amp;
((char*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j] = amp-1;
((char*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+2] = 0;
((char*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+4] = amp;
((char*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+6] = 0;
#else
amp = 0x8000;
((short*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+1] = 0;
((short*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+3] = amp-1;
((short*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+5] = 0;
((short*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+7] = amp;
((short*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j] = amp-1;
((short*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+2] = 0;
((short*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+4] = amp;
((short*)PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa])[2*j+6] = 0;
#endif
}
}
}
#ifdef EMOS
error_code = rtf_create(CHANSOUNDER_FIFO_MINOR,CHANSOUNDER_FIFO_SIZE);
printf("[OPENAIR][SCHED][INIT] Created EMOS FIFO %d, error code %d\n",CHANSOUNDER_FIFO_MINOR,error_code);
#endif
// make main thread LXRT soft realtime
task = rt_task_init_schmod(nam2num("MYTASK"), 9, 0, 0, SCHED_FIFO, 0xF);
mlockall(MCL_CURRENT | MCL_FUTURE);
// start realtime timer and scheduler
//rt_set_oneshot_mode();
rt_set_periodic_mode();
start_rt_timer(0);
//now = rt_get_time() + 10*PERIOD;
//rt_task_make_periodic(task, now, PERIOD);
printf("Init mutex\n");
//mutex = rt_get_adr(nam2num("MUTEX"));
mutex = rt_sem_init(nam2num("MUTEX"), 1);
if (mutex==0)
{
printf("Error init mutex\n");
exit(-1);
}
else
printf("mutex=%p\n",mutex);
/*
cond = rt_cond_init(nam2num("CONDITION"));
//cond = rt_get_adr(nam2num("CONDITION"));
if (cond==0)
printf("Error init cond\n");
*/
// initialize the instance cnt before starting the thread
instance_cnt_ptr_user = &instance_cnt;
// signal the driver to set up for user-space operation
// this will initialize the semaphore and the task pointers in the kernel
// further we receive back the pointer to the shared instance counter which is used to signal if the thread is busy or not. This pointer needs to be mapped to user space.
ioctl(openair_fd,openair_START_LXRT,&instance_cnt_ptr_kern);
instance_cnt_ptr_user = (int*) (instance_cnt_ptr_kern -bigphys_top+mem_base);
*instance_cnt_ptr_user = -1;
printf("instance_cnt_ptr_kern %p, instance_cnt_ptr_user %p, *instance_cnt_ptr_user %d\n", (void*) instance_cnt_ptr_kern, (void*) instance_cnt_ptr_user,*instance_cnt_ptr_user);
rt_sleep(nano2count(FRAME_PERIOD));
ioctl(openair_fd,openair_GET_PCI_INTERFACE,&pci_interface_ptr_kern);
#ifdef CBMIMO1
ioctl(openair_fd,openair_SET_TCXO_DAC,(void *)&tcxo);
#endif
#ifdef CBMIMO1
pci_interface[0] = (PCI_interface_t*) (pci_interface_ptr_kern-bigphys_top+mem_base);
printf("pci_interface_ptr_kern = %p, pci_interface = %p, tcxo_dac =%d\n", (void*) pci_interface_ptr_kern, pci_interface[0],pci_interface[0]->tcxo_dac);
#else
exmimo_pci_interface = (exmimo_pci_interface_t*) (pci_interface_ptr_kern-bigphys_top+mem_base);
printf("pci_interface_ptr_kern = %p, exmimo_pci_interface = %p\n", (void*) pci_interface_ptr_kern, exmimo_pci_interface);
DAQ_MBOX = (unsigned int *)(0xc0000000+exmimo_pci_interface->rf.mbox-bigphys_top+mem_base);
#endif
// this starts the DMA transfers
if (UE_flag!=1)
ioctl(openair_fd,openair_START_TX_SIG,NULL);
#ifdef XFORMS
if (do_forms==1)
{
fl_initialize (&argc, argv, NULL, 0, 0);
form_dl = create_form_lte_scope();
form_stats = create_form_stats_form();
if (UE_flag==1)
sprintf (title, "LTE DL SCOPE UE");
else
sprintf (title, "LTE UL SCOPE eNB");
fl_show_form (form_dl->lte_scope, FL_PLACE_HOTSPOT, FL_FULLBORDER, title);
fl_show_form (form_stats->stats_form, FL_PLACE_HOTSPOT, FL_FULLBORDER, "stats");
if (UE_flag==0) {
//fl_hide_object(form->ia_receiver_button);
if (otg_enabled) {
fl_set_button(form_dl->ia_receiver_button,1);
fl_set_object_label(form_dl->ia_receiver_button,"DL traffic ON");
}
else {
fl_set_button(form_dl->ia_receiver_button,0);
fl_set_object_label(form_dl->ia_receiver_button,"DL traffic OFF");
}
}
else {
//fl_show_object(form->ia_receiver_button);
if (openair_daq_vars.use_ia_receiver) {
fl_set_button(form_dl->ia_receiver_button,1);
fl_set_object_label(form_dl->ia_receiver_button, "IA Receiver ON");
}
else {
fl_set_button(form_dl->ia_receiver_button,0);
fl_set_object_label(form_dl->ia_receiver_button, "IA Receiver OFF");
}
}
thread2 = pthread_create(&thread2, NULL, scope_thread, NULL);
}
#endif
rt_sleep(nano2count(10*FRAME_PERIOD));
// start the main thread
if (UE_flag == 1) {
thread1 = rt_thread_create(UE_thread, NULL, 100000000);
#ifdef DLSCH_THREAD
//init_rx_pdsch_threads();
rt_sleep(nano2count(FRAME_PERIOD/10));
init_dlsch_threads();
#endif
}
else {
thread0 = rt_thread_create(eNB_thread, NULL, 100000000);
#ifdef ULSCH_THREAD
init_ulsch_threads();
#endif
}
#ifndef CBMIMO1
// sync_thread = rt_thread_create(sync_hw,NULL,10000000);
#endif
printf("threads created\n");
// wait for end of program
printf("TYPE <ENTER> TO TERMINATE\n");
getchar();
#ifdef XFORMS
if (do_forms==1)
{
//pthread_join?
fl_hide_form(form_stats->stats_form);
fl_free_form(form_stats->stats_form);
fl_hide_form(form_dl->lte_scope);
fl_free_form(form_dl->lte_scope);
}
#endif
// stop threads
oai_exit=1;
rt_sleep(nano2count(FRAME_PERIOD));
// cleanup
if (UE_flag == 1) {
#ifdef DLSCH_THREAD
cleanup_dlsch_threads();
//cleanup_rx_pdsch_threads();
#endif
}
else {
#ifdef ULSCH_THREAD
cleanup_ulsch_threads();
#endif
}
stop_rt_timer();
fd = 0;
ioctl(openair_fd,openair_STOP,&fd);
munmap((void*)mem_base, BIGPHYS_NUMPAGES*4096);
#ifdef EMOS
error_code = rtf_destroy(CHANSOUNDER_FIFO_MINOR);
printf("[OPENAIR][SCHED][CLEANUP] EMOS FIFO closed, error_code %d\n", error_code);
#endif
return 0;
}
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