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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6597 818b1a75-f10b-46b9-bf7c-635c3b92a50f

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This commit is contained in:
Raymond Knopp
2015-02-22 17:51:20 +00:00
parent 90346d26c0
commit 2a54fa56e1
6 changed files with 46 additions and 32 deletions
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targets/ARCH/COMMON/common_lib.h
+1 -1
View File
@@ -44,7 +44,7 @@ typedef struct openair0_device_t openair0_device;
#define MAX_CARDS 1
#endif
#define USRP_GAIN_OFFSET (82.0) // 82 calibrated for USRP B210 @ 2.6 GHz
#define USRP_GAIN_OFFSET (65.0) // 82 calibrated for USRP B210 @ 2.6 GHz
typedef enum {
max_gain=0,med_gain,byp_gain
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+23 -16
View File
@@ -93,11 +93,11 @@ static int trx_usrp_start(openair0_device *device)
// init recv and send streaming
uhd::stream_cmd_t cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
cmd.time_spec = s->usrp->get_time_now() + uhd::time_spec_t(0.01);
cmd.time_spec = s->usrp->get_time_now() + uhd::time_spec_t(0.05);
cmd.stream_now = false; // start at constant delay
s->rx_stream->issue_stream_cmd(cmd);
s->tx_md.time_spec = s->usrp->get_time_now() + uhd::time_spec_t(1-(double)s->tx_forward_nsamps/s->sample_rate);
s->tx_md.time_spec = cmd.time_spec + uhd::time_spec_t(1-(double)s->tx_forward_nsamps/s->sample_rate);
s->tx_md.has_time_spec = true;
s->tx_md.start_of_burst = true;
s->tx_md.end_of_burst = false;
@@ -144,7 +144,7 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
usrp_state_t *s = (usrp_state_t*)device->priv;
int samples_received,i;
int samples_received=0,i;
if (cc>1) {
std::vector<void *> buff_ptrs;
@@ -154,6 +154,10 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
else
samples_received = s->rx_stream->recv(buff[0], nsamps, s->rx_md);
if (samples_received < nsamps) {
printf("[recv] received %d samples out of %d\n",samples_received,nsamps);
}
//handle the error code
switch(s->rx_md.error_code){
case uhd::rx_metadata_t::ERROR_CODE_NONE:
@@ -232,12 +236,9 @@ int openair0_device_init(openair0_device* device, openair0_config_t *openair0_cf
memset(s, 0, sizeof(usrp_state_t));
// Initialize USRP device
/* thomas 26.01.205*/
// std::string args = "type=b200";
std::string args = "type=b200";
/* std::string rx_subdev = "A:A A:B";
std::string tx_subdev = "A:A A:B";*/
uhd::device_addrs_t device_adds = uhd::device::find(args);
size_t i;
@@ -309,25 +310,31 @@ int openair0_device_init(openair0_device* device, openair0_config_t *openair0_cf
}
// display USRP settings
std::cout << boost::format("Actual master clock: %fMHz...") % (s->usrp->get_master_clock_rate()/1e6) << std::endl;
// create tx & rx streamer
uhd::stream_args_t stream_args_rx("sc16", "sc16");
//stream_args_rx.args["spp"] = str(boost::format("%d") % (openair0_cfg[0].samples_per_packet));
uhd::stream_args_t stream_args_tx("sc16", "sc16");
//stream_args_tx.args["spp"] = str(boost::format("%d") % (openair0_cfg[0].samples_per_packet));
//stream_args_rx.args["spp"] = str(boost::format("%d") % 2048);//(openair0_cfg[0].rx_num_channels*openair0_cfg[0].samples_per_packet));
for (i = 0; i<openair0_cfg[0].rx_num_channels; i++)
stream_args_rx.channels.push_back(i);
stream_args_rx.channels.push_back(i);
s->rx_stream = s->usrp->get_rx_stream(stream_args_rx);
std::cout << boost::format("rx_max_num_samps %u") % (s->rx_stream->get_max_num_samps()) << std::endl;
//openair0_cfg[0].samples_per_packet = s->rx_stream->get_max_num_samps();
uhd::stream_args_t stream_args_tx("sc16", "sc16");
//stream_args_tx.args["spp"] = str(boost::format("%d") % 2048);//(openair0_cfg[0].tx_num_channels*openair0_cfg[0].samples_per_packet));
for (i = 0; i<openair0_cfg[0].tx_num_channels; i++)
stream_args_tx.channels.push_back(i);
s->tx_stream = s->usrp->get_tx_stream(stream_args_tx);
s->rx_stream = s->usrp->get_rx_stream(stream_args_rx);
std::cout << boost::format("tx_max_num_samps %u") % (s->tx_stream->get_max_num_samps()) << std::endl;
s->usrp->set_time_now(uhd::time_spec_t(0.0));
// display USRP settings
std::cout << boost::format("Actual master clock: %fMHz...") % (s->usrp->get_master_clock_rate()/1e6) << std::endl << std::endl;
for (i=0;i<openair0_cfg[0].rx_num_channels;i++) {
if (i<openair0_cfg[0].rx_num_channels) {
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band39.tm1.usrpb210.conf
+5 -5
View File
@@ -43,7 +43,7 @@ eNBs =
uplink_frequency_offset = 0;
Nid_cell = 0;
N_RB_DL = 50;
N_RB_DL = 25;
Nid_cell_mbsfn = 0;
nb_antennas_tx = 1;
nb_antennas_rx = 1;
@@ -132,12 +132,12 @@ eNBs =
log_config :
{
global_log_level ="info";
global_log_verbosity ="medium";
global_log_level ="debug";
global_log_verbosity ="high";
hw_log_level ="info";
hw_log_verbosity ="medium";
phy_log_level ="info";
phy_log_verbosity ="medium";
phy_log_level ="debug";
phy_log_verbosity ="high";
mac_log_level ="info";
mac_log_verbosity ="high";
rlc_log_level ="info";
targets/RT/USER/Makefile
+5 -1
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@@ -24,7 +24,7 @@ ifndef USRP
USRP=0
endif
CFLAGS += -DDRIVER2013 -I$(OPENAIR_TARGETS)/ARCH/COMMON -I.
CFLAGS += -DDRIVER2013 -I$(OPENAIR_TARGETS)/ARCH/COMMON -I.
ifndef OPENAIR2
OPENAIR2=1
@@ -35,6 +35,10 @@ DISABLE_XER_PRINT=0
MSG_PRINT=1
endif
ifdef Rel10
CFLAGS += -DRel10
endif
ifeq ($(EXMIMO),1)
CFLAGS += -I$(OPENAIR_TARGETS)/ARCH/EXMIMO/USERSPACE/LIB/ -I$(OPENAIR_TARGETS)/ARCH/EXMIMO/DEFS -DENABLE_VCD_FIFO
endif
targets/RT/USER/lte-softmodem.c
+1 -1
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@@ -328,7 +328,7 @@ int16_t rlc_log_level = LOG_INFO;
int16_t rlc_log_verbosity = LOG_MED;
int16_t pdcp_log_level = LOG_INFO;
int16_t pdcp_log_verbosity = LOG_MED;
int16_t rrc_log_level = LOG_INFO;
int16_t rrc_log_level = LOG_DEBUG;
int16_t rrc_log_verbosity = LOG_MED;
# if defined(ENABLE_USE_MME)
int16_t gtpu_log_level = LOG_DEBUG;
targets/RT/USER/lte-ue.c
+11 -8
View File
@@ -186,7 +186,7 @@ static const eutra_band_t eutra_bands[] =
{14, 788 * MHz, 798 * MHz, 758 * MHz, 768 * MHz, FDD},
{17, 704 * MHz, 716 * MHz, 734 * MHz, 746 * MHz, FDD},
{20, 832 * MHz, 862 * MHz, 791 * MHz, 821 * MHz, FDD},
{33, 1900 * MHz, 1920 * MHz, 1900 * MHz, 1920 * MHz, TDD},
{34, 2010 * MHz, 2025 * MHz, 2010 * MHz, 2025 * MHz, TDD},
{35, 1850 * MHz, 1910 * MHz, 1850 * MHz, 1910 * MHz, TDD},
@@ -231,6 +231,7 @@ static void *UE_thread_synch(void *arg) {
found = 0;
current_band = eutra_bands[ind].band;
do {
printf("Scanning band %d, dl_min %u\n",current_band,eutra_bands[ind].dl_min);
if ((eutra_bands[ind].dl_min <= downlink_frequency[0][0]) && (eutra_bands[ind].dl_max>= downlink_frequency[0][0])) {
for (card=0;card<MAX_NUM_CCs;card++)
for (i=0; i<4; i++)
@@ -239,7 +240,7 @@ static void *UE_thread_synch(void *arg) {
break;
}
ind++;
current_band = eutra_bands[++ind].band;
current_band = eutra_bands[ind].band;
} while (current_band < 44);
if (found == 0) {
@@ -374,8 +375,10 @@ static void *UE_thread_synch(void *arg) {
mac_xface->macphy_exit("No cell synchronization found, abandoning");
}
else {
LOG_I(PHY,"[initial_sync] trying carrier off %d Hz, rxgain %d\n",openair_daq_vars.freq_offset,
UE->rx_total_gain_dB);
LOG_I(PHY,"[initial_sync] trying carrier off %d Hz, rxgain %d (DL %u, UL %u)\n",openair_daq_vars.freq_offset,
UE->rx_total_gain_dB,
downlink_frequency[0][0]+openair_daq_vars.freq_offset,
downlink_frequency[0][0]+uplink_frequency_offset[0][0]+openair_daq_vars.freq_offset);
for (card=0;card<MAX_CARDS;card++) {
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;
@@ -802,7 +805,6 @@ void *UE_thread(void *arg) {
for (i=0;i<UE->lte_frame_parms.nb_antennas_rx;i++)
rxp[i] = (dummy_dump==0) ? (void*)&rxdata[i][rxpos] : (void*)dummy[i];
// printf("rxpos %d, hw_subframe %d, dummy_dump %d (asking %d)\n",rxpos,hw_subframe,dummy_dump,spp - ((first_rx==1) ? rx_off_diff : 0));
rxs = openair0.trx_read_func(&openair0,
&timestamp,
rxp,
@@ -945,8 +947,9 @@ void *UE_thread(void *arg) {
#endif
UE->rx_offset=0;
}
else if ((UE->rx_offset < RX_OFF_MIN)&&(start_rx_stream==1)) {
// rx_off_diff = -UE->rx_offset + RX_OFF_MIN;
else if ((UE->rx_offset < RX_OFF_MIN)&&(start_rx_stream==1) && (rx_correction_timer == 0)) {
rx_off_diff = -UE->rx_offset + RX_OFF_MIN;
rx_correction_timer = 5;
}
else if ((UE->rx_offset > (FRAME_LENGTH_COMPLEX_SAMPLES-RX_OFF_MAX)) &&(start_rx_stream==1) && (rx_correction_timer == 0)) {
rx_off_diff = FRAME_LENGTH_COMPLEX_SAMPLES-UE->rx_offset;
@@ -954,7 +957,7 @@ void *UE_thread(void *arg) {
}
if (rx_correction_timer>0)
rx_correction_timer--;
// LOG_D(PHY,"HW RESYNC: hw_frame %d: Correction: rx_off_diff %d (timer %d)\n",frame,rx_off_diff,rx_correction_timer);
// LOG_D(PHY,"HW RESYNC: hw_frame %d: (rx_offset %d) Correction: rx_off_diff %d (timer %d)\n",frame,UE->rx_offset,rx_off_diff,rx_correction_timer);
}
dummy_dump=0;
}