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autodetection of UHD version for gain/bw scaling prior to 3.9.2

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This commit is contained in:
Raymond Knopp
2016-01-07 17:24:25 +01:00
parent 54a21b633d
commit 3007400bfa
3 changed files with 85 additions and 20 deletions
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targets/RT/USER/lte-softmodem.c
+3 -2
View File
@@ -2975,7 +2975,8 @@ int main( int argc, char **argv )
else {
openair0_cfg[card].rx_gain[i] = PHY_vars_UE_g[0][0]->rx_total_gain_dB;// - USRP_GAIN_OFFSET; // calibrated for USRP B210 @ 2.6 GHz, 30.72 MS/s
}
#if 0 // UHD 3.8
switch(frame_parms[0]->N_RB_DL) {
case 6:
openair0_cfg[card].rx_gain[i] -= 12;
@@ -2996,7 +2997,7 @@ int main( int argc, char **argv )
default:
break;
}
#endif
}
targets/RT/USER/lte-ue.c
+9 -8
View File
@@ -279,7 +279,7 @@ static void *UE_thread_synch(void *arg)
#ifdef OAI_USRP
openair0_cfg[card].rx_gain[i] = UE->rx_total_gain_dB;//-USRP_GAIN_OFFSET;
#if 0 // UHD 3.8
switch(UE->lte_frame_parms.N_RB_DL) {
case 6:
openair0_cfg[card].rx_gain[i] -= 12;
@@ -301,7 +301,7 @@ static void *UE_thread_synch(void *arg)
printf( "Unknown number of RBs %d\n", UE->lte_frame_parms.N_RB_DL );
break;
}
#endif
printf( "UE synch: setting RX gain (%d,%d) to %f\n", card, i, openair0_cfg[card].rx_gain[i] );
#endif
}
@@ -357,7 +357,8 @@ static void *UE_thread_synch(void *arg)
openair0_cfg[card].tx_freq[i] = downlink_frequency[card][i]+uplink_frequency_offset[card][i];
#ifdef OAI_USRP
openair0_cfg[card].rx_gain[i] = UE->rx_total_gain_dB;//-USRP_GAIN_OFFSET; // 65 calibrated for USRP B210 @ 2.6 GHz
#if 0 // UHD 3.8
switch(UE->lte_frame_parms.N_RB_DL) {
case 6:
openair0_cfg[card].rx_gain[i] -= 12;
@@ -379,7 +380,7 @@ static void *UE_thread_synch(void *arg)
printf("Unknown number of RBs %d\n",UE->lte_frame_parms.N_RB_DL);
break;
}
#endif
printf("UE synch: setting RX gain (%d,%d) to %f\n",card,i,openair0_cfg[card].rx_gain[i]);
#endif
@@ -423,25 +424,25 @@ static void *UE_thread_synch(void *arg)
openair0_cfg[0].sample_rate =1.92e6;
openair0_cfg[0].rx_bw =.96e6;
openair0_cfg[0].tx_bw =.96e6;
openair0_cfg[0].rx_gain[0] -= 12;
// openair0_cfg[0].rx_gain[0] -= 12;
break;
case 25:
openair0_cfg[0].sample_rate =7.68e6;
openair0_cfg[0].rx_bw =2.5e6;
openair0_cfg[0].tx_bw =2.5e6;
openair0_cfg[0].rx_gain[0] -= 6;
// openair0_cfg[0].rx_gain[0] -= 6;
break;
case 50:
openair0_cfg[0].sample_rate =15.36e6;
openair0_cfg[0].rx_bw =5.0e6;
openair0_cfg[0].tx_bw =5.0e6;
openair0_cfg[0].rx_gain[0] -= 3;
// openair0_cfg[0].rx_gain[0] -= 3;
break;
case 100:
openair0_cfg[0].sample_rate=30.72e6;
openair0_cfg[0].rx_bw=10.0e6;
openair0_cfg[0].tx_bw=10.0e6;
openair0_cfg[0].rx_gain[0] -= 0;
// openair0_cfg[0].rx_gain[0] -= 0;
break;
}
#ifndef EXMIMO