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

changed the rxgain values for USRP (seemed to have changed with new UHD driver 3.8.0)

Browse Source 
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6408 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Raymond Knopp
2015-01-16 16:07:30 +00:00
parent 03b2d7dd59
commit a81818944a
1 changed files with 19 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
targets/RT/USER/lte-softmodem.c
+19 -16
View File
@@ -1858,7 +1858,7 @@ static void *UE_thread_synch(void *arg) {
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
openair0_cfg[card].rx_gain[i] = PHY_vars_UE_g[0][0]->rx_total_gain_dB-82; // 65 calibrated for USRP B210 @ 2.6 GHz
#ifdef USRP
#ifndef USRP_DEBUG
openair0_set_frequencies(&openair0,&openair0_cfg[0]);
@@ -1977,32 +1977,32 @@ static void *UE_thread_rx(void *arg) {
PHY_VARS_UE *UE = (PHY_VARS_UE*)arg;
int i;
/*
#ifdef LOWLATENCY
struct sched_attr attr;
unsigned int flags = 0;
#endif
*/
UE->instance_cnt_rx=-1;
/*
#ifdef LOWLATENCY
attr.size = sizeof(attr);
attr.sched_flags = 0;
attr.sched_nice = 0;
attr.sched_priority = 0;
/* This creates a 1ms reservation every 10ms period*/
// This creates a 1ms reservation every 10ms period
attr.sched_policy = SCHED_DEADLINE;
attr.sched_runtime = 1 * 1000000; // each tx thread requires 1ms to finish its job
attr.sched_runtime = 1 * 800000; // each tx thread requires 1ms to finish its job
attr.sched_deadline =1 * 1000000; // each tx thread will finish within 1ms
attr.sched_period = 1 * 10000000; // each tx thread has a period of 10ms from the starting point
attr.sched_period = 1 * 1000000; // each tx thread has a period of 10ms from the starting point
if (sched_setattr(0, &attr, flags) < 0 ){
perror("[SCHED] eNB tx thread: sched_setattr failed\n");
exit(-1);
}
#endif
*/
mlockall(MCL_CURRENT | MCL_FUTURE);
#ifndef EXMIMO
@@ -2101,12 +2101,13 @@ static void *UE_thread(void *arg) {
unsigned int rxs;
void *rxp[2],*txp[2];
/*
#ifdef LOWLATENCY
struct sched_attr attr;
unsigned int flags = 0;
unsigned long mask = 1; /* processor 0 */
unsigned long mask = 1; // processor 0
#endif
*/
printf("waiting for sync (UE_thread)\n");
#ifdef RTAI
@@ -2121,22 +2122,23 @@ static void *UE_thread(void *arg) {
#endif
printf("starting UE thread\n");
/*
#ifdef LOWLATENCY
attr.size = sizeof(attr);
attr.sched_flags = 0;
attr.sched_nice = 0;
attr.sched_priority = 0;
/* This creates a .5 ms reservation */
// This creates a .5 ms reservation
attr.sched_policy = SCHED_DEADLINE;
attr.sched_runtime = 0.5 * 1000000;
attr.sched_deadline = 0.5 * 1000000;
attr.sched_period = 1 * 1000000;
/* pin the UE main thread to CPU0*/
/* if (pthread_setaffinity_np(pthread_self(), sizeof(mask),&mask) <0) {
perror("[MAIN_ENB_THREAD] pthread_setaffinity_np failed\n");
}*/
// pin the UE main thread to CPU0
// if (pthread_setaffinity_np(pthread_self(), sizeof(mask),&mask) <0) {
// perror("[MAIN_ENB_THREAD] pthread_setaffinity_np failed\n");
// }
if (sched_setattr(0, &attr, flags) < 0 ){
perror("[SCHED] main eNB thread: sched_setattr failed\n");
@@ -2146,6 +2148,7 @@ static void *UE_thread(void *arg) {
gettid(),sched_getcpu());
}
#endif
*/
mlockall(MCL_CURRENT | MCL_FUTURE);
T0 = rt_get_time_ns();
@@ -3411,7 +3414,7 @@ int main(int argc, char **argv) {
openair0_cfg[card].tx_gain[i] = tx_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) - 73.0; // calibrated for USRP B210 @ 2.6 GHz
PHY_vars_UE_g[0][0]->rx_total_gain_dB) - 82.0; // 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];
printf("Setting tx_gain %f, rx_gain %f, tx_freq %f, rx_freq %f\n",