From d7d2a877c54a801c72d1096b854081f2a253cbb0 Mon Sep 17 00:00:00 2001
From: Raymond Knopp <raymond.knopp@eurecom.fr>
Date: Fri, 22 Aug 2014 08:31:53 +0000
Subject: [PATCH] fixed some issues with USRP target
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5746 818b1a75-f10b-46b9-bf7c-635c3b92a50f
---
targets/RT/USER/lte-softmodem.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index fee84cdce2..40447ed4e3 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -238,7 +238,7 @@ double tx_gain = 20;
double rx_gain = 10;
#else
double tx_gain = 120;
-double rx_gain = 30;
+double rx_gain = 50;
#endif
double sample_rate=30.72e6;
@@ -2219,8 +2219,11 @@ int main(int argc, char **argv) {
PHY_vars_eNB_g[0][CC_id]->lte_frame_parms.frame_type,
PHY_vars_eNB_g[0][CC_id]->X_u);
+#ifdef USRP
+ PHY_vars_eNB_g[0][CC_id]->rx_total_gain_eNB_dB = (int)rx_gain;
+#else
PHY_vars_eNB_g[0][CC_id]->rx_total_gain_eNB_dB = rxg_max[0] + (int)rx_gain - 30; //was measured at rxgain=30;
-
+#endif
// set eNB to max gain
for (i=0;i<4;i++)
openair0_cfg[CC_id].rxg_mode[i] = max_gain;
@@ -2248,7 +2251,7 @@ int main(int argc, char **argv) {
tx_forward_nsamps = 175;
sf_bounds = sf_bounds_20;
max_cnt = 150;
- tx_delay = 9;
+ tx_delay = 8;
#endif
}
else if(frame_parms[0]->N_RB_DL == 50){
@@ -2282,7 +2285,12 @@ int main(int argc, char **argv) {
for (i=0;i<4;i++) {
openair0_cfg[CC_id].tx_gain[i] = tx_gain;
openair0_cfg[CC_id].rx_gain[i] = rx_gain;
+#ifdef USRP
+ openair0_cfg[CC_id].tx_freq[i] = (UE_flag==0) ? downlink_frequency[CC_id][i] : downlink_frequency[CC_id][i]+uplink_frequency_offset[CC_id][i];
+ openair0_cfg[CC_id].rx_freq[i] = (UE_flag==0) ? downlink_frequency[CC_id][i] + uplink_frequency_offset[CC_id][i] : downlink_frequency[CC_id][i];
+#endif
}
+
}
if (openair0_device_init(&openair0, &openair0_cfg[0]) <0) {
@@ -2782,6 +2790,8 @@ int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_c
return(-1);
}
else {
+ printf("Setting TX frequency to %d for CC_id %d, card %d, chain %d\n",
+ downlink_frequency[CC_id][i],CC_id,rf_map[CC_id].card,rf_map[CC_id].chain+i);
openair0_cfg[rf_map[CC_id].card].tx_freq[rf_map[CC_id].chain+i] = downlink_frequency[CC_id][i];
openair0_cfg[rf_map[CC_id].card].tx_num_channels++;
}
@@ -2806,6 +2816,7 @@ int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_c
phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i] = txdata;
memset(txdata, 0, samples_per_frame*sizeof(int32_t));
printf("txdata[%d] @ %p\n", i, phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
+
}
#endif
}
--
2.26.2