Skip to content

O
OpenXG-RAN
Commit 65674425 authored by Raymond Knopp's avatar Raymond Knopp
Browse files
Options 

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5861 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent ac99fc2e
Hide whitespace changes
Inline Side-by-side
Showing with 44 additions and 44 deletions
targets/RT/USER/Makefile
View file @ 65674425
......@@ -32,7 +32,7 @@ ifeq ($(USRP),0)
endif
ifeq ($(DEBUG),1)
CFLAGS += -g -ggdb -DDEBUG_PHY -DDEBUG_MEAS
CFLAGS += -g -ggdb
CFLAGS += -DRRC_MSG_PRINT
CFLAGS += -DPDCP_MSG_PRINT
endif
......@@ -395,4 +395,4 @@ fifos:
if [ "$$have_rtfX" -eq 0 ] ;then \
mknod -m 666 /dev/rtf$$i c 150 $$i; \
fi;\
done
\ No newline at end of file
done
targets/RT/USER/lte-softmodem.c
View file @ 65674425
......@@ -270,7 +270,7 @@ static unsigned int nf_byp[4] = {15,20,29,23};
static 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}};
#else
double tx_gain[MAX_NUM_CCs][4] = {{120,0,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{50,0,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{125,0,0,0}};
#endif
double sample_rate=30.72e6;
......@@ -432,7 +432,7 @@ static void set_latency_target(void)
printf("# /dev/cpu_dma_latency set to %dus\n", latency_target_value);
}
}
#ifdef XFORMS
void reset_stats(FL_OBJECT *button, long arg) {
......@@ -1678,6 +1678,7 @@ static void *UE_thread_synch(void *arg) {
}
else {
if (openair_daq_vars.freq_offset >= 0) {
openair_daq_vars.freq_offset += 100;
openair_daq_vars.freq_offset *= -1;
......@@ -1686,18 +1687,21 @@ static void *UE_thread_synch(void *arg) {
openair_daq_vars.freq_offset *= -1;
}
if (abs(openair_daq_vars.freq_offset) > 7500) {
LOG_I(PHY,"[initial_sync] No cell synchronization found, abondoning\n");
mac_xface->macphy_exit("No cell synchronization found, abondoning");
LOG_I(PHY,"[initial_sync] No cell synchronization found, abandoning\n");
mac_xface->macphy_exit("No cell synchronization found, abandoning");
}
else {
// LOG_I(PHY,"[initial_sync] trying carrier off %d Hz\n",openair_daq_vars.freq_offset);
LOG_I(PHY,"[initial_sync] trying carrier off %d Hz, rxgain %d\n",openair_daq_vars.freq_offset,
PHY_vars_UE_g[0][0]->rx_total_gain_dB);
for (card=0;card<MAX_CARDS;card++) {
for (i=0; i<openair0_cfg[card].rx_num_channels; i++) {
openair0_cfg[card].rx_freq[i] = downlink_frequency[card][i]+openair_daq_vars.freq_offset;
openair0_cfg[card].tx_freq[i] = downlink_frequency[card][i]+uplink_frequency_offset[card][i]+openair_daq_vars.freq_offset;
openair0_cfg[card].rx_gain[i] = PHY_vars_UE_g[0][0]->rx_total_gain_dB-73; // 65 calibrated for USRP B210 @ 2.6 GHz
#ifdef USRP
#ifndef USRP_DEBUG
openair0_set_frequencies(&openair0,&openair0_cfg[0]);
// openair0_set_gains(&openair0,&openair0_cfg[0]);
#endif
#endif
}
......@@ -1905,6 +1909,7 @@ static void *UE_thread(void *arg) {
vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_HW_SUBFRAME, hw_subframe);
vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_HW_FRAME, frame);
while (rx_cnt < sf_bounds[hw_subframe]) {
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ,1);
......@@ -1946,7 +1951,8 @@ static void *UE_thread(void *arg) {
if (is_synchronized==1) {
// printf("UE_thread: hw_frame %d, hw_subframe %d (time %llu)\n",frame,hw_subframe,rt_get_time_ns()-T0);
LOG_D(HW,"UE_thread: hw_frame %d, hw_subframe %d (time %llu)\n",frame,hw_subframe,rt_get_time_ns()-T0);
if (start_rx_stream==1) {
// printf("UE_thread: locking UE mutex_rx\n");
if (pthread_mutex_lock(&PHY_vars_UE_g[0][0]->mutex_rx) != 0) {
......@@ -1954,12 +1960,12 @@ static void *UE_thread(void *arg) {
oai_exit=1;
}
else {
PHY_vars_UE_g[0][0]->instance_cnt_rx++;
// printf("UE_thread: Unlocking UE mutex_rx\n");
pthread_mutex_unlock(&PHY_vars_UE_g[0][0]->mutex_rx);
if (PHY_vars_UE_g[0][0]->instance_cnt_rx == 0) {
// printf("Scheduling UE RX for frame %d (hw frame %d), subframe %d (%d)\n",PHY_vars_UE_g[0][0]->frame_rx,frame,hw_subframe,PHY_vars_UE_g[0][0]->slot_rx>>1);
LOG_D(HW,"Scheduling UE RX for frame %d (hw frame %d), subframe %d (%d), mode %d\n",PHY_vars_UE_g[0][0]->frame_rx,frame,hw_subframe,PHY_vars_UE_g[0][0]->slot_rx>>1,mode);
if (pthread_cond_signal(&PHY_vars_UE_g[0][0]->cond_rx) != 0) {
LOG_E(PHY,"[SCHED][UE] ERROR pthread_cond_signal for UE RX thread\n");
oai_exit=1;
......@@ -1969,7 +1975,7 @@ static void *UE_thread(void *arg) {
}
if (mode == rx_calib_ue) {
if (frame == 10) {
LOG_I(PHY,"[SCHED][UE] Found cell with N_RB_DL %d, PHICH CONFIG (%d,%d), Nid_cell %d, NB_ANTENNAS_TX %d, initial frequency offset %d Hz, frequency offset %d Hz, RSSI (digital) %d dB, measured Gain %d dB\n",
LOG_D(PHY,"[SCHED][UE] Found cell with N_RB_DL %d, PHICH CONFIG (%d,%d), Nid_cell %d, NB_ANTENNAS_TX %d, initial frequency offset %d Hz, frequency offset %d Hz, RSSI (digital) %d dB, measured Gain %d dB, total_rx_gain %d dB, USRP rx gain %f dB\n",
PHY_vars_UE_g[0][0]->lte_frame_parms.N_RB_DL,
PHY_vars_UE_g[0][0]->lte_frame_parms.phich_config_common.phich_duration,
PHY_vars_UE_g[0][0]->lte_frame_parms.phich_config_common.phich_resource,
......@@ -1978,7 +1984,9 @@ static void *UE_thread(void *arg) {
openair_daq_vars.freq_offset,
PHY_vars_UE_g[0][0]->lte_ue_common_vars.freq_offset,
PHY_vars_UE_g[0][0]->PHY_measurements.rx_power_avg_dB[0],
PHY_vars_UE_g[0][0]->PHY_measurements.rx_power_avg_dB[0] - rx_input_level_dBm
PHY_vars_UE_g[0][0]->PHY_measurements.rx_power_avg_dB[0] - rx_input_level_dBm,
PHY_vars_UE_g[0][0]->rx_total_gain_dB,
openair0_cfg[0].rx_gain[0]
);
exit_fun("[HW][UE] UE in RX calibration mode, exiting");
}
......@@ -2030,6 +2038,7 @@ static void *UE_thread(void *arg) {
slot = 1;
if (PHY_vars_UE_g[0][0]->instance_cnt_synch < 0) {
if (is_synchronized == 1) {
// openair0_set_gains(&openair0,&openair0_cfg[0]);
rx_off_diff = 0;
// LOG_D(PHY,"HW RESYNC: hw_frame %d: rx_offset = %d\n",frame,PHY_vars_UE_g[0][0]->rx_offset);
if ((PHY_vars_UE_g[0][0]->rx_offset > RX_OFF_MAX)&&(start_rx_stream==0)) {
......@@ -2797,6 +2806,9 @@ int main(int argc, char **argv) {
}
if (UE_flag==1) {
NB_UE_INST=1;
NB_INST=1;
PHY_vars_UE_g = malloc(sizeof(PHY_VARS_UE**));
PHY_vars_UE_g[0] = malloc(sizeof(PHY_VARS_UE*)*MAX_NUM_CCs);
for (CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
......@@ -2850,28 +2862,27 @@ int main(int argc, char **argv) {
#endif
PHY_vars_UE_g[0][CC_id]->tx_power_max_dBm = tx_max_power[CC_id];
}
NB_UE_INST=1;
NB_INST=1;
#ifndef USRP
//N_TA_offset
if (PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.frame_type == TDD) {
if (PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.N_RB_DL == 100)
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 624;
else if (PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.N_RB_DL == 50)
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 624/2;
else if (PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.N_RB_DL == 25)
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 624/4;
}
else {
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 0;
}
//N_TA_offset
if (PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.frame_type == TDD) {
if (PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.N_RB_DL == 100)
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 624;
else if (PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.N_RB_DL == 50)
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 624/2;
else if (PHY_vars_UE_g[UE_id][CC_id]->lte_frame_parms.N_RB_DL == 25)
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 624/4;
}
else {
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 0;
}
#else
//already taken care of in lte-softmodem
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 0;
//already taken care of in lte-softmodem
PHY_vars_UE_g[UE_id][CC_id]->N_TA_offset = 0;
#endif
}
openair_daq_vars.manual_timing_advance = 0;
openair_daq_vars.rx_gain_mode = DAQ_AGC_ON;
openair_daq_vars.auto_freq_correction = 0;
......@@ -2907,7 +2918,7 @@ int main(int argc, char **argv) {
#ifdef USRP
PHY_vars_eNB_g[0][CC_id]->rx_total_gain_eNB_dB = (int)rx_gain[CC_id][0] + 96;
PHY_vars_eNB_g[0][CC_id]->rx_total_gain_eNB_dB = 135; //(int)rx_gain[CC_id][0];
#else
PHY_vars_eNB_g[0][CC_id]->rx_total_gain_eNB_dB = rxg_max[0] + (int)rx_gain[CC_id][0] - 30; //was measured at rxgain=30;
......@@ -3005,7 +3016,8 @@ int main(int argc, char **argv) {
openair0_cfg[card].rx_num_channels=1;
for (i=0;i<4;i++) {
openair0_cfg[card].tx_gain[i] = tx_gain[0][i];
openair0_cfg[card].rx_gain[i] = rx_gain[0][i];
openair0_cfg[card].rx_gain[i] = ((UE_flag==0) ? PHY_vars_eNB_g[0][0]->rx_total_gain_eNB_dB :
PHY_vars_UE_g[0][0]->rx_total_gain_dB) - 73; // calibrated for USRP B210 @ 2.6 GHz
openair0_cfg[card].tx_freq[i] = (UE_flag==0) ? downlink_frequency[0][i] : downlink_frequency[0][i]+uplink_frequency_offset[0][i];
openair0_cfg[card].rx_freq[i] = (UE_flag==0) ? downlink_frequency[0][i] + uplink_frequency_offset[0][i] : downlink_frequency[0][i];
}
......@@ -3097,18 +3109,6 @@ int main(int argc, char **argv) {
for (aa=0; aa<frame_parms[CC_id]->nb_antennas_tx; aa++)
PHY_vars_eNB_g[0][CC_id]->lte_eNB_common_vars.txdata[0][aa][i] = 0x00010001;
}
#ifdef SPECTRA
//setup the last channel for sensing
openair0_cfg[0].rx_freq[2] = 727500000;
openair0_cfg[0].tx_freq[2] = 727500000;
openair0_cfg[0].tx_gain[2] = 0;
openair0_cfg[0].rx_gain[2] = 30;
openair0_cfg[0].rxg_mode[2] = max_gain;
//fill LSBs of tx buffer with 1s to put switch in RX mode
for (i=0; i<ADAC_BUFFERSZ_PERCHAN_B; i++)
openair0_exmimo_pci[0].adc_head[2][i]=0x00010001;
#endif
}
#ifndef USRP
openair0_config(&openair0_cfg[0],UE_flag);
......@@ -3454,7 +3454,7 @@ int setup_ue_buffers(PHY_VARS_UE **phy_vars_ue, openair0_config_t *openair0_cfg,
else if (frame_parms->N_RB_DL == 50)
N_TA_offset = 624/2;
else if (frame_parms->N_RB_DL == 25)
N_TA_offset = 580/4;//624/4;
N_TA_offset = 624/4;
}
#endif
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment