maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Cleanup RF HW configuration at UE side

Browse Source 
- removed redundant initialisation of variables
- introduced two "RF helpers" function that are replacing shared code in the sync routines
- added a new .c file and updated the cmakelists and .h files
This commit is contained in:
cig
2020-10-27 11:09:17 +01:00
parent 95bd55d8b6
commit 6862affdf4
5 changed files with 141 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files
executables/nr-uesoftmodem.c
+12 -34
View File
@@ -40,7 +40,7 @@
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "openair1/PHY/MODULATION/nr_modulation.h"
#include "PHY/phy_vars_nr_ue.h"
#include "PHY/LTE_TRANSPORT/transport_vars.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
#include "SCHED/sched_common_vars.h"
#include "PHY/MODULATION/modulation_vars.h"
//#include "../../SIMU/USER/init_lte.h"
@@ -304,6 +304,7 @@ void set_options(int CC_id, PHY_VARS_NR_UE *UE){
UE->no_timing_correction = UE_no_timing_correction;
UE->mode = mode;
UE->rx_total_gain_dB = (int)rx_gain[CC_id][0] + rx_gain_off;
UE->tx_total_gain_dB = (int)tx_gain[CC_id][0];
UE->tx_power_max_dBm = tx_max_power[CC_id];
LOG_I(PHY,"Set UE mode %d, UE_fo_compensation %d, UE_scan %d, UE_scan_carrier %d, UE_no_timing_correction %d \n", mode, UE_fo_compensation, UE_scan, UE_scan_carrier, UE_no_timing_correction);
@@ -328,10 +329,11 @@ void set_options(int CC_id, PHY_VARS_NR_UE *UE){
void init_openair0(void) {
int card;
int i;
int freq_off = 0;
NR_DL_FRAME_PARMS *frame_parms = &PHY_vars_UE_g[0][0]->frame_parms;
for (card=0; card<MAX_CARDS; card++) {
uint64_t dl_carrier, ul_carrier;
openair0_cfg[card].configFilename = NULL;
openair0_cfg[card].threequarter_fs = frame_parms->threequarter_fs;
numerology = frame_parms->numerology_index;
@@ -424,11 +426,6 @@ void init_openair0(void) {
else
openair0_cfg[card].duplex_mode = duplex_mode_FDD;
LOG_I(PHY, "HW: Configuring card %d, nb_antennas_tx/rx %hhu/%hhu\n",
card,
frame_parms->nb_antennas_tx,
frame_parms->nb_antennas_rx);
openair0_cfg[card].Mod_id = 0;
openair0_cfg[card].num_rb_dl = frame_parms->N_RB_DL;
openair0_cfg[card].clock_source = get_softmodem_params()->clock_source;
@@ -436,36 +433,17 @@ void init_openair0(void) {
openair0_cfg[card].tx_num_channels = min(2, frame_parms->nb_antennas_tx);
openair0_cfg[card].rx_num_channels = min(2, frame_parms->nb_antennas_rx);
for (i=0; i<4; i++) {
LOG_I(PHY, "HW: Configuring card %d, tx/rx num_channels %d/%d, duplex_mode %s\n",
card,
openair0_cfg[card].tx_num_channels,
openair0_cfg[card].rx_num_channels,
duplex_mode[openair0_cfg[card].duplex_mode]);
if (i<openair0_cfg[card].rx_num_channels){
if (downlink_frequency[0][0])
openair0_cfg[card].rx_freq[i] = downlink_frequency[0][0];
else
openair0_cfg[card].rx_freq[i] = frame_parms->dl_CarrierFreq;
}
else
openair0_cfg[card].rx_freq[i]=0.0;
nr_get_carrier_frequencies(frame_parms, &dl_carrier, &ul_carrier);
if (i<openair0_cfg[card].tx_num_channels){
if (uplink_frequency_offset[0][0])
openair0_cfg[card].tx_freq[i] = openair0_cfg[card].rx_freq[i] + uplink_frequency_offset[0][0];
else
openair0_cfg[card].tx_freq[i] = frame_parms->ul_CarrierFreq;
}
else
openair0_cfg[card].tx_freq[i]=0.0;
nr_rf_card_config(&openair0_cfg[card], rx_gain_off, ul_carrier, dl_carrier, freq_off);
openair0_cfg[card].autocal[i] = 1;
openair0_cfg[card].tx_gain[i] = tx_gain[0][i];
openair0_cfg[card].rx_gain[i] = PHY_vars_UE_g[0][0]->rx_total_gain_dB - rx_gain_off;
openair0_cfg[card].configFilename = get_softmodem_params()->rf_config_file;
printf("Card %d, channel %d, Setting tx_gain %f, rx_gain %f, tx_freq %f, rx_freq %f\n",
card,i, openair0_cfg[card].tx_gain[i],
openair0_cfg[card].rx_gain[i],
openair0_cfg[card].tx_freq[i],
openair0_cfg[card].rx_freq[i]);
}
openair0_cfg[card].configFilename = get_softmodem_params()->rf_config_file;
if (usrp_args) openair0_cfg[card].sdr_addrs = usrp_args;