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Split init and config USRP device. It seems to have solved the stop/restart RAU without stopping the RRU

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This commit is contained in:
Raymond Knopp
2018-03-12 11:31:08 +01:00
parent bc0ae0fce9
commit ffe2967d81
4 changed files with 252 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files
targets/ARCH/COMMON/common_lib.c
+3
View File
@@ -134,6 +134,9 @@ int load_lib(openair0_device *device, openair0_config_t *openair0_cfg, eth_param
return ret;
}
int openair0_check_device_loaded(){
return dlopen(OAI_RF_LIBNAME, RTLD_NOLOAD);
}
int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg) {
targets/ARCH/COMMON/common_lib.h
+11
View File
@@ -283,6 +283,10 @@ struct openair0_device_t {
/* !brief ETH params set by application */
eth_params_t *eth_params;
/* !brief Indicates if device already initialized */
int is_init;
/*!brief Can be used by driver to hold internal structure*/
void *priv;
@@ -293,6 +297,13 @@ struct openair0_device_t {
*/
int (*trx_start_func)(openair0_device *device);
/*! \brief Called to configure the device
@param device pointer to the device structure specific to the RF hardware target
*/
int (*trx_config_func)(openair0_device* device, openair0_config_t *openair0_cfg);
/*! \brief Called to send a request message between RAU-RRU on control port
@param device pointer to the device structure specific to the RF hardware target
@param msg pointer to the message structure passed between RAU-RRU
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+225 -18
View File
@@ -895,6 +895,206 @@ int trx_usrp_recplay_config_init(paramdef_t *usrp_recplay_params) {
#endif
extern "C" {
int trx_usrp_config(openair0_device* device, openair0_config_t *openair0_cfg) {
#if defined(USRP_REC_PLAY)
#endif
usrp_state_t *s = (usrp_state_t *)device->priv;
if (openair0_cfg[0].clock_source==gpsdo)
s->use_gps =1;
device->openair0_cfg = openair0_cfg;
std::string args = "type=b200";
uhd::device_addrs_t device_adds = uhd::device::find(args);
int vers=0,subvers=0,subsubvers=0;
int bw_gain_adjust=0;
#if defined(USRP_REC_PLAY)
if (u_sf_mode == 1) {
}
#endif
sscanf(uhd::get_version_string().c_str(),"%d.%d.%d",&vers,&subvers,&subsubvers);
LOG_I(PHY,"Checking for USRPs : UHD %s (%d.%d.%d)\n",
uhd::get_version_string().c_str(),vers,subvers,subsubvers);
if(device_adds.size() == 0) {
} else {
args += ",num_send_frames=256,num_recv_frames=256, send_frame_size=15360, recv_frame_size=15360" ;
if (openair0_cfg[0].clock_source == internal){
LOG_I(PHY,"Setting clock source to internal\n");
s->usrp->set_clock_source("internal");
}
else{
LOG_I(PHY,"Setting clock source to external\n");
s->usrp->set_clock_source("external");
}
if (openair0_cfg[0].time_source == internal){
LOG_I(PHY,"Setting time source to internal\n");
s->usrp->set_time_source("internal");
}
else{
LOG_I(PHY,"Setting time source to external\n");
s->usrp->set_time_source("external");
}
if ((vers == 3) && (subvers == 9) && (subsubvers>=2)) {
openair0_cfg[0].rx_gain_calib_table = calib_table_b210;
bw_gain_adjust=0;
#if defined(USRP_REC_PLAY)
std::cerr << "-- Using calibration table: calib_table_b210" << std::endl; // Bell Labs info
#endif
} else {
openair0_cfg[0].rx_gain_calib_table = calib_table_b210_38;
bw_gain_adjust=1;
#if defined(USRP_REC_PLAY)
std::cerr << "-- Using calibration table: calib_table_b210_38" << std::endl; // Bell Labs info
#endif
}
switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
s->usrp->set_master_clock_rate(30.72e6);
//openair0_cfg[0].samples_per_packet = 1024;
openair0_cfg[0].tx_sample_advance = 115;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
case 23040000:
s->usrp->set_master_clock_rate(23.04e6); //to be checked
//openair0_cfg[0].samples_per_packet = 1024;
openair0_cfg[0].tx_sample_advance = 113;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
case 15360000:
s->usrp->set_master_clock_rate(30.72e06);
//openair0_cfg[0].samples_per_packet = 1024;
openair0_cfg[0].tx_sample_advance = 103;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
case 7680000:
s->usrp->set_master_clock_rate(30.72e6);
//openair0_cfg[0].samples_per_packet = 1024;
openair0_cfg[0].tx_sample_advance = 80;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
case 1920000:
s->usrp->set_master_clock_rate(30.72e6);
//openair0_cfg[0].samples_per_packet = 1024;
openair0_cfg[0].tx_sample_advance = 40;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
default:
LOG_E(PHY,"Error: unknown sampling rate %f\n",openair0_cfg[0].sample_rate);
exit(-1);
break;
} // switch
} // else if(device_adds.size() != 0)
/* device specific */
//openair0_cfg[0].txlaunch_wait = 1;//manage when TX processing is triggered
//openair0_cfg[0].txlaunch_wait_slotcount = 1; //manage when TX processing is triggered
openair0_cfg[0].iq_txshift = 4;//shift
openair0_cfg[0].iq_rxrescale = 15;//rescale iqs
for(int i=0; i<s->usrp->get_rx_num_channels(); i++) {
if (i<openair0_cfg[0].rx_num_channels) {
s->usrp->set_rx_rate(openair0_cfg[0].sample_rate,i);
s->usrp->set_rx_freq(openair0_cfg[0].rx_freq[i],i);
set_rx_gain_offset(&openair0_cfg[0],i,bw_gain_adjust);
::uhd::gain_range_t gain_range = s->usrp->get_rx_gain_range(i);
// limit to maximum gain
AssertFatal( openair0_cfg[0].rx_gain[i]-openair0_cfg[0].rx_gain_offset[i] <= gain_range.stop(),
"RX Gain too high, lower by %f dB\n",
openair0_cfg[0].rx_gain[i]-openair0_cfg[0].rx_gain_offset[i] - gain_range.stop());
s->usrp->set_rx_gain(openair0_cfg[0].rx_gain[i]-openair0_cfg[0].rx_gain_offset[i],i);
LOG_I(PHY,"RX Gain %d %f (%f) => %f (max %f)\n",i,
openair0_cfg[0].rx_gain[i],openair0_cfg[0].rx_gain_offset[i],
openair0_cfg[0].rx_gain[i]-openair0_cfg[0].rx_gain_offset[i],gain_range.stop());
}
}
for(int i=0; i<s->usrp->get_tx_num_channels(); i++) {
::uhd::gain_range_t gain_range_tx = s->usrp->get_tx_gain_range(i);
if (i<openair0_cfg[0].tx_num_channels) {
s->usrp->set_tx_rate(openair0_cfg[0].sample_rate,i);
s->usrp->set_tx_freq(openair0_cfg[0].tx_freq[i],i);
s->usrp->set_tx_gain(gain_range_tx.stop()-openair0_cfg[0].tx_gain[i],i);
LOG_I(PHY,"USRP TX_GAIN:%3.2lf gain_range:%3.2lf tx_gain:%3.2lf\n", gain_range_tx.stop()-openair0_cfg[0].tx_gain[i], gain_range_tx.stop(), openair0_cfg[0].tx_gain[i]);
}
}
//s->usrp->set_clock_source("external");
//s->usrp->set_time_source("external");
// display USRP settings
LOG_I(PHY,"Actual master clock: %fMHz...\n",s->usrp->get_master_clock_rate()/1e6);
sleep(1);
/* Setting TX/RX BW after streamers are created due to USRP calibration issue */
for(int i=0; i<s->usrp->get_tx_num_channels() && i<openair0_cfg[0].tx_num_channels; i++)
s->usrp->set_tx_bandwidth(openair0_cfg[0].tx_bw,i);
for(int i=0; i<s->usrp->get_rx_num_channels() && i<openair0_cfg[0].rx_num_channels; i++)
s->usrp->set_rx_bandwidth(openair0_cfg[0].rx_bw,i);
for (int i=0; i<openair0_cfg[0].rx_num_channels; i++) {
LOG_I(PHY,"RX Channel %d\n",i);
LOG_I(PHY," Actual RX sample rate: %fMSps...\n",s->usrp->get_rx_rate(i)/1e6);
LOG_I(PHY," Actual RX frequency: %fGHz...\n", s->usrp->get_rx_freq(i)/1e9);
LOG_I(PHY," Actual RX gain: %f...\n", s->usrp->get_rx_gain(i));
LOG_I(PHY," Actual RX bandwidth: %fM...\n", s->usrp->get_rx_bandwidth(i)/1e6);
LOG_I(PHY," Actual RX antenna: %s...\n", s->usrp->get_rx_antenna(i).c_str());
}
for (int i=0; i<openair0_cfg[0].tx_num_channels; i++) {
LOG_I(PHY,"TX Channel %d\n",i);
LOG_I(PHY," Actual TX sample rate: %fMSps...\n", s->usrp->get_tx_rate(i)/1e6);
LOG_I(PHY," Actual TX frequency: %fGHz...\n", s->usrp->get_tx_freq(i)/1e9);
LOG_I(PHY," Actual TX gain: %f...\n", s->usrp->get_tx_gain(i));
LOG_I(PHY," Actual TX bandwidth: %fM...\n", s->usrp->get_tx_bandwidth(i)/1e6);
LOG_I(PHY," Actual TX antenna: %s...\n", s->usrp->get_tx_antenna(i).c_str());
}
LOG_I(PHY,"Device timestamp: %f...\n", s->usrp->get_time_now().get_real_secs());
device->openair0_cfg = openair0_cfg;
s->sample_rate = openair0_cfg[0].sample_rate;
// TODO:
// init tx_forward_nsamps based usrp_time_offset ex
if(is_equal(s->sample_rate, (double)30.72e6))
s->tx_forward_nsamps = 176;
if(is_equal(s->sample_rate, (double)15.36e6))
s->tx_forward_nsamps = 90;
if(is_equal(s->sample_rate, (double)7.68e6))
s->tx_forward_nsamps = 50;
if (s->use_gps == 1) {
if (sync_to_gps(device)) {
LOG_I(PHY,"USRP fails to sync with GPS...\n");
exit(0);
}
}
return 0;
}
/*! \brief Initialize Openair USRP target. It returns 0 if OK
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
@@ -908,6 +1108,9 @@ extern "C" {
return 0;
} // prevent from multiple init
done = 1;
device->is_init = 0;
// end to check
memset(usrp_recplay_params, 0, 7*sizeof(paramdef_t));
memset(&u_sf_filename[0], 0, 1024);
@@ -954,11 +1157,11 @@ extern "C" {
uhd::set_thread_priority_safe(1.0);
usrp_state_t *s = (usrp_state_t*)calloc(sizeof(usrp_state_t),1);
if (openair0_cfg[0].clock_source==gpsdo)
s->use_gps =1;
//*if (openair0_cfg[0].clock_source==gpsdo)
//* s->use_gps =1;
// Initialize USRP device
device->openair0_cfg = openair0_cfg;
//*device->openair0_cfg = openair0_cfg;
std::string args = "type=b200";
uhd::device_addrs_t device_adds = uhd::device::find(args);
@@ -1070,7 +1273,7 @@ extern "C" {
// set master clock rate and sample rate for tx & rx for streaming
// lock mboard clocks
if (openair0_cfg[0].clock_source == internal){
/**if (openair0_cfg[0].clock_source == internal){
LOG_I(PHY,"Setting clock source to internal\n");
s->usrp->set_clock_source("internal");
}
@@ -1085,11 +1288,11 @@ extern "C" {
else{
LOG_I(PHY,"Setting time source to external\n");
s->usrp->set_time_source("external");
}
}*/
device->type = USRP_B200_DEV;
if ((vers == 3) && (subvers == 9) && (subsubvers>=2)) {
/**if ((vers == 3) && (subvers == 9) && (subsubvers>=2)) {
openair0_cfg[0].rx_gain_calib_table = calib_table_b210;
bw_gain_adjust=0;
#if defined(USRP_REC_PLAY)
@@ -1101,9 +1304,9 @@ extern "C" {
#if defined(USRP_REC_PLAY)
std::cerr << "-- Using calibration table: calib_table_b210_38" << std::endl; // Bell Labs info
#endif
}
}*/
switch ((int)openair0_cfg[0].sample_rate) {
/*switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
s->usrp->set_master_clock_rate(30.72e6);
//openair0_cfg[0].samples_per_packet = 1024;
@@ -1143,13 +1346,13 @@ extern "C" {
LOG_E(PHY,"Error: unknown sampling rate %f\n",openair0_cfg[0].sample_rate);
exit(-1);
break;
}
}*/
}
/* device specific */
//openair0_cfg[0].txlaunch_wait = 1;//manage when TX processing is triggered
//openair0_cfg[0].txlaunch_wait_slotcount = 1; //manage when TX processing is triggered
openair0_cfg[0].iq_txshift = 4;//shift
/*openair0_cfg[0].iq_txshift = 4;//shift
openair0_cfg[0].iq_rxrescale = 15;//rescale iqs
for(int i=0; i<s->usrp->get_rx_num_channels(); i++) {
@@ -1179,14 +1382,14 @@ extern "C" {
LOG_I(PHY,"USRP TX_GAIN:%3.2lf gain_range:%3.2lf tx_gain:%3.2lf\n", gain_range_tx.stop()-openair0_cfg[0].tx_gain[i], gain_range_tx.stop(), openair0_cfg[0].tx_gain[i]);
}
}
}*/
//s->usrp->set_clock_source("external");
//s->usrp->set_time_source("external");
// display USRP settings
LOG_I(PHY,"Actual master clock: %fMHz...\n",s->usrp->get_master_clock_rate()/1e6);
sleep(1);
//*LOG_I(PHY,"Actual master clock: %fMHz...\n",s->usrp->get_master_clock_rate()/1e6);
//*sleep(1);
// create tx & rx streamer
uhd::stream_args_t stream_args_rx("sc16", "sc16");
@@ -1209,7 +1412,7 @@ extern "C" {
s->tx_stream = s->usrp->get_tx_stream(stream_args_tx);
/* Setting TX/RX BW after streamers are created due to USRP calibration issue */
for(int i=0; i<s->usrp->get_tx_num_channels() && i<openair0_cfg[0].tx_num_channels; i++)
/**for(int i=0; i<s->usrp->get_tx_num_channels() && i<openair0_cfg[0].tx_num_channels; i++)
s->usrp->set_tx_bandwidth(openair0_cfg[0].tx_bw,i);
for(int i=0; i<s->usrp->get_rx_num_channels() && i<openair0_cfg[0].rx_num_channels; i++)
@@ -1233,7 +1436,7 @@ extern "C" {
LOG_I(PHY," Actual TX antenna: %s...\n", s->usrp->get_tx_antenna(i).c_str());
}
LOG_I(PHY,"Device timestamp: %f...\n", s->usrp->get_time_now().get_real_secs());
LOG_I(PHY,"Device timestamp: %f...\n", s->usrp->get_time_now().get_real_secs());*/
device->priv = s;
device->trx_start_func = trx_usrp_start;
@@ -1244,13 +1447,15 @@ extern "C" {
device->trx_end_func = trx_usrp_end;
device->trx_stop_func = trx_usrp_stop;
device->trx_set_freq_func = trx_usrp_set_freq;
device->trx_config_func = trx_usrp_config;
device->trx_set_gains_func = trx_usrp_set_gains;
device->openair0_cfg = openair0_cfg;
device->is_init = 1;
device->openair0_cfg = openair0_cfg;
s->sample_rate = openair0_cfg[0].sample_rate;
// TODO:
// init tx_forward_nsamps based usrp_time_offset ex
if(is_equal(s->sample_rate, (double)30.72e6))
/**if(is_equal(s->sample_rate, (double)30.72e6))
s->tx_forward_nsamps = 176;
if(is_equal(s->sample_rate, (double)15.36e6))
s->tx_forward_nsamps = 90;
@@ -1262,7 +1467,7 @@ extern "C" {
LOG_I(PHY,"USRP fails to sync with GPS...\n");
exit(0);
}
}
}**/
#if defined(USRP_REC_PLAY)
}
@@ -1303,6 +1508,8 @@ extern "C" {
}
}
#endif
LOG_E(PHY, "USRP context created");
return 0;
}
}
targets/RT/USER/lte-ru.c
+13 -3
View File
@@ -1563,7 +1563,8 @@ static void* ru_thread_control( void* param ) {
// Start IF device if any
if (ru->start_if) {
LOG_I(PHY,"Starting IF interface for RU %d\n",ru->idx);
AssertFatal(ru->start_if(ru,NULL) == 0, "Could not start the IF device\n");
AssertFatal(
ru->start_if(ru,NULL) == 0, "Could not start the IF device\n");
if (ru->if_south != LOCAL_RF) wait_eNBs();
}
@@ -1647,7 +1648,16 @@ static void* ru_thread_control( void* param ) {
//if (ru->is_slave == 1) lte_sync_time_init(&ru->frame_parms);
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
if (ru->rfdevice.is_init != 1){
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
}
AssertFatal((ru->rfdevice.trx_config_func(&ru->rfdevice,&ru->openair0_cfg)==0),
"Failed to configure RF device for RU %d\n",ru->idx);
if (setup_RU_buffers(ru)!=0) {
printf("Exiting, cannot initialize RU Buffers\n");
@@ -1879,7 +1889,7 @@ static void* ru_thread( void* param ) {
else if (ru->cmd == STOP_RU) {
ru->state = RU_IDLE;
ru->cmd = EMPTY;
LOG_I(PHY,"RU %d rf device stopped\n",ru->idx);
LOG_I(PHY,"RU %d stopped\n",ru->idx);
break;
}
old_time = time_rf.tv_nsec;