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Commit c4afc399 authored by Florian Kaltenberger's avatar Florian Kaltenberger
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astyling usrp_lib.cpp

parent 7d602d5c
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targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
View file @ c4afc399
......@@ -65,211 +65,191 @@
/*! \brief USRP Configuration */
typedef struct {
// --------------------------------
// variables for USRP configuration
// --------------------------------
//! USRP device pointer
uhd::usrp::multi_usrp::sptr usrp;
//create a send streamer and a receive streamer
//! USRP TX Stream
uhd::tx_streamer::sptr tx_stream;
//! USRP RX Stream
uhd::rx_streamer::sptr rx_stream;
//! USRP TX Metadata
uhd::tx_metadata_t tx_md;
//! USRP RX Metadata
uhd::rx_metadata_t rx_md;
//! Sampling rate
double sample_rate;
//! TX forward samples. We use usrp_time_offset to get this value
int tx_forward_nsamps; //166 for 20Mhz
// --------------------------------
// Debug and output control
// --------------------------------
int num_underflows;
int num_overflows;
int num_seq_errors;
int64_t tx_count;
int64_t rx_count;
int wait_for_first_pps;
int use_gps;
//! timestamp of RX packet
openair0_timestamp rx_timestamp;
// --------------------------------
// variables for USRP configuration
// --------------------------------
//! USRP device pointer
uhd::usrp::multi_usrp::sptr usrp;
//create a send streamer and a receive streamer
//! USRP TX Stream
uhd::tx_streamer::sptr tx_stream;
//! USRP RX Stream
uhd::rx_streamer::sptr rx_stream;
//! USRP TX Metadata
uhd::tx_metadata_t tx_md;
//! USRP RX Metadata
uhd::rx_metadata_t rx_md;
//! Sampling rate
double sample_rate;
//! TX forward samples. We use usrp_time_offset to get this value
int tx_forward_nsamps; //166 for 20Mhz
// --------------------------------
// Debug and output control
// --------------------------------
int num_underflows;
int num_overflows;
int num_seq_errors;
int64_t tx_count;
int64_t rx_count;
int wait_for_first_pps;
int use_gps;
//! timestamp of RX packet
openair0_timestamp rx_timestamp;
} usrp_state_t;
//void print_notes(void)
//{
// Helpful notes
// std::cout << boost::format("**************************************Helpful Notes on Clock/PPS Selection**************************************\n");
// std::cout << boost::format("As you can see, the default 10 MHz Reference and 1 PPS signals are now from the GPSDO.\n");
// std::cout << boost::format("If you would like to use the internal reference(TCXO) in other applications, you must configure that explicitly.\n");
// std::cout << boost::format("You can no longer select the external SMAs for 10 MHz or 1 PPS signaling.\n");
// std::cout << boost::format("****************************************************************************************************************\n");
// Helpful notes
// std::cout << boost::format("**************************************Helpful Notes on Clock/PPS Selection**************************************\n");
// std::cout << boost::format("As you can see, the default 10 MHz Reference and 1 PPS signals are now from the GPSDO.\n");
// std::cout << boost::format("If you would like to use the internal reference(TCXO) in other applications, you must configure that explicitly.\n");
// std::cout << boost::format("You can no longer select the external SMAs for 10 MHz or 1 PPS signaling.\n");
// std::cout << boost::format("****************************************************************************************************************\n");
//}
static int sync_to_gps(openair0_device *device)
{
uhd::set_thread_priority_safe();
//std::string args;
//Set up program options
//po::options_description desc("Allowed options");
//desc.add_options()
//("help", "help message")
//("args", po::value<std::string>(&args)->default_value(""), "USRP device arguments")
//;
//po::variables_map vm;
//po::store(po::parse_command_line(argc, argv, desc), vm);
//po::notify(vm);
//Print the help message
//if (vm.count("help"))
//{
// std::cout << boost::format("Synchronize USRP to GPS %s") % desc << std::endl;
// return EXIT_FAILURE;
//}
//Create a USRP device
//std::cout << boost::format("\nCreating the USRP device with: %s...\n") % args;
//uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
//std::cout << boost::format("Using Device: %s\n") % usrp->get_pp_string();
usrp_state_t *s = (usrp_state_t*)device->priv;
try
{
size_t num_mboards = s->usrp->get_num_mboards();
size_t num_gps_locked = 0;
for (size_t mboard = 0; mboard < num_mboards; mboard++)
{
std::cout << "Synchronizing mboard " << mboard << ": " << s->usrp->get_mboard_name(mboard) << std::endl;
//Set references to GPSDO
s->usrp->set_clock_source("gpsdo", mboard);
s->usrp->set_time_source("gpsdo", mboard);
//std::cout << std::endl;
//print_notes();
//std::cout << std::endl;
//Check for 10 MHz lock
std::vector<std::string> sensor_names = s->usrp->get_mboard_sensor_names(mboard);
if(std::find(sensor_names.begin(), sensor_names.end(), "ref_locked") != sensor_names.end())
{
std::cout << "Waiting for reference lock..." << std::flush;
bool ref_locked = false;
for (int i = 0; i < 30 and not ref_locked; i++)
{
ref_locked = s->usrp->get_mboard_sensor("ref_locked", mboard).to_bool();
if (not ref_locked)
{
std::cout << "." << std::flush;
boost::this_thread::sleep(boost::posix_time::seconds(1));
}
}
if(ref_locked)
{
std::cout << "LOCKED" << std::endl;
} else {
std::cout << "FAILED" << std::endl;
std::cout << "Failed to lock to GPSDO 10 MHz Reference. Exiting." << std::endl;
exit(EXIT_FAILURE);
}
}
else
{
std::cout << boost::format("ref_locked sensor not present on this board.\n");
}
//Wait for GPS lock
bool gps_locked = s->usrp->get_mboard_sensor("gps_locked", mboard).to_bool();
if(gps_locked)
{
num_gps_locked++;
std::cout << boost::format("GPS Locked\n");
}
else
{
std::cerr << "WARNING: GPS not locked - time will not be accurate until locked" << std::endl;
}
static int sync_to_gps(openair0_device *device) {
uhd::set_thread_priority_safe();
//std::string args;
//Set up program options
//po::options_description desc("Allowed options");
//desc.add_options()
//("help", "help message")
//("args", po::value<std::string>(&args)->default_value(""), "USRP device arguments")
//;
//po::variables_map vm;
//po::store(po::parse_command_line(argc, argv, desc), vm);
//po::notify(vm);
//Print the help message
//if (vm.count("help"))
//{
// std::cout << boost::format("Synchronize USRP to GPS %s") % desc << std::endl;
// return EXIT_FAILURE;
//}
//Create a USRP device
//std::cout << boost::format("\nCreating the USRP device with: %s...\n") % args;
//uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(args);
//std::cout << boost::format("Using Device: %s\n") % usrp->get_pp_string();
usrp_state_t *s = (usrp_state_t *)device->priv;
try {
size_t num_mboards = s->usrp->get_num_mboards();
size_t num_gps_locked = 0;
for (size_t mboard = 0; mboard < num_mboards; mboard++) {
std::cout << "Synchronizing mboard " << mboard << ": " << s->usrp->get_mboard_name(mboard) << std::endl;
//Set references to GPSDO
s->usrp->set_clock_source("gpsdo", mboard);
s->usrp->set_time_source("gpsdo", mboard);
//std::cout << std::endl;
//print_notes();
//std::cout << std::endl;
//Check for 10 MHz lock
std::vector<std::string> sensor_names = s->usrp->get_mboard_sensor_names(mboard);
if(std::find(sensor_names.begin(), sensor_names.end(), "ref_locked") != sensor_names.end()) {
std::cout << "Waiting for reference lock..." << std::flush;
bool ref_locked = false;
for (int i = 0; i < 30 and not ref_locked; i++) {
ref_locked = s->usrp->get_mboard_sensor("ref_locked", mboard).to_bool();
if (not ref_locked) {
std::cout << "." << std::flush;
boost::this_thread::sleep(boost::posix_time::seconds(1));
}
}
//Set to GPS time
uhd::time_spec_t gps_time = uhd::time_spec_t(time_t(s->usrp->get_mboard_sensor("gps_time", mboard).to_int()));
//s->usrp->set_time_next_pps(gps_time+1.0, mboard);
s->usrp->set_time_next_pps(uhd::time_spec_t(0.0));
//Wait for it to apply
//The wait is 2 seconds because N-Series has a known issue where
//the time at the last PPS does not properly update at the PPS edge
//when the time is actually set.
boost::this_thread::sleep(boost::posix_time::seconds(2));
//Check times
gps_time = uhd::time_spec_t(time_t(s->usrp->get_mboard_sensor("gps_time", mboard).to_int()));
uhd::time_spec_t time_last_pps = s->usrp->get_time_last_pps(mboard);
std::cout << "USRP time: " << (boost::format("%0.9f") % time_last_pps.get_real_secs()) << std::endl;
std::cout << "GPSDO time: " << (boost::format("%0.9f") % gps_time.get_real_secs()) << std::endl;
//if (gps_time.get_real_secs() == time_last_pps.get_real_secs())
// std::cout << std::endl << "SUCCESS: USRP time synchronized to GPS time" << std::endl << std::endl;
//else
// std::cerr << std::endl << "ERROR: Failed to synchronize USRP time to GPS time" << std::endl << std::endl;
if(ref_locked) {
std::cout << "LOCKED" << std::endl;
} else {
std::cout << "FAILED" << std::endl;
std::cout << "Failed to lock to GPSDO 10 MHz Reference. Exiting." << std::endl;
exit(EXIT_FAILURE);
}
} else {
std::cout << boost::format("ref_locked sensor not present on this board.\n");
}
if (num_gps_locked == num_mboards and num_mboards > 1)
{
//Check to see if all USRP times are aligned
//First, wait for PPS.
uhd::time_spec_t time_last_pps = s->usrp->get_time_last_pps();
while (time_last_pps == s->usrp->get_time_last_pps())
{
boost::this_thread::sleep(boost::posix_time::milliseconds(1));
}
//Wait for GPS lock
bool gps_locked = s->usrp->get_mboard_sensor("gps_locked", mboard).to_bool();
//Sleep a little to make sure all devices have seen a PPS edge
boost::this_thread::sleep(boost::posix_time::milliseconds(200));
//Compare times across all mboards
bool all_matched = true;
uhd::time_spec_t mboard0_time = s->usrp->get_time_last_pps(0);
for (size_t mboard = 1; mboard < num_mboards; mboard++)
{
uhd::time_spec_t mboard_time = s->usrp->get_time_last_pps(mboard);
if (mboard_time != mboard0_time)
{
all_matched = false;
std::cerr << (boost::format("ERROR: Times are not aligned: USRP 0=%0.9f, USRP %d=%0.9f")
% mboard0_time.get_real_secs()
% mboard
% mboard_time.get_real_secs()) << std::endl;
}
}
if (all_matched)
{
std::cout << "SUCCESS: USRP times aligned" << std::endl << std::endl;
} else {
std::cout << "ERROR: USRP times are not aligned" << std::endl << std::endl;
}
}
if(gps_locked) {
num_gps_locked++;
std::cout << boost::format("GPS Locked\n");
} else {
std::cerr << "WARNING: GPS not locked - time will not be accurate until locked" << std::endl;
}
//Set to GPS time
uhd::time_spec_t gps_time = uhd::time_spec_t(time_t(s->usrp->get_mboard_sensor("gps_time", mboard).to_int()));
//s->usrp->set_time_next_pps(gps_time+1.0, mboard);
s->usrp->set_time_next_pps(uhd::time_spec_t(0.0));
//Wait for it to apply
//The wait is 2 seconds because N-Series has a known issue where
//the time at the last PPS does not properly update at the PPS edge
//when the time is actually set.
boost::this_thread::sleep(boost::posix_time::seconds(2));
//Check times
gps_time = uhd::time_spec_t(time_t(s->usrp->get_mboard_sensor("gps_time", mboard).to_int()));
uhd::time_spec_t time_last_pps = s->usrp->get_time_last_pps(mboard);
std::cout << "USRP time: " << (boost::format("%0.9f") % time_last_pps.get_real_secs()) << std::endl;
std::cout << "GPSDO time: " << (boost::format("%0.9f") % gps_time.get_real_secs()) << std::endl;
//if (gps_time.get_real_secs() == time_last_pps.get_real_secs())
// std::cout << std::endl << "SUCCESS: USRP time synchronized to GPS time" << std::endl << std::endl;
//else
// std::cerr << std::endl << "ERROR: Failed to synchronize USRP time to GPS time" << std::endl << std::endl;
}
catch (std::exception& e)
{
std::cout << boost::format("\nError: %s") % e.what();
std::cout << boost::format("This could mean that you have not installed the GPSDO correctly.\n\n");
std::cout << boost::format("Visit one of these pages if the problem persists:\n");
std::cout << boost::format(" * N2X0/E1X0: http://files.ettus.com/manual/page_gpsdo.html");
std::cout << boost::format(" * X3X0: http://files.ettus.com/manual/page_gpsdo_x3x0.html\n\n");
std::cout << boost::format(" * E3X0: http://files.ettus.com/manual/page_usrp_e3x0.html#e3x0_hw_gps\n\n");
exit(EXIT_FAILURE);
if (num_gps_locked == num_mboards and num_mboards > 1) {
//Check to see if all USRP times are aligned
//First, wait for PPS.
uhd::time_spec_t time_last_pps = s->usrp->get_time_last_pps();
while (time_last_pps == s->usrp->get_time_last_pps()) {
boost::this_thread::sleep(boost::posix_time::milliseconds(1));
}
//Sleep a little to make sure all devices have seen a PPS edge
boost::this_thread::sleep(boost::posix_time::milliseconds(200));
//Compare times across all mboards
bool all_matched = true;
uhd::time_spec_t mboard0_time = s->usrp->get_time_last_pps(0);
for (size_t mboard = 1; mboard < num_mboards; mboard++) {
uhd::time_spec_t mboard_time = s->usrp->get_time_last_pps(mboard);
if (mboard_time != mboard0_time) {
all_matched = false;
std::cerr << (boost::format("ERROR: Times are not aligned: USRP 0=%0.9f, USRP %d=%0.9f")
% mboard0_time.get_real_secs()
% mboard
% mboard_time.get_real_secs()) << std::endl;
}
}
if (all_matched) {
std::cout << "SUCCESS: USRP times aligned" << std::endl << std::endl;
} else {
std::cout << "ERROR: USRP times are not aligned" << std::endl << std::endl;
}
}
} catch (std::exception &e) {
std::cout << boost::format("\nError: %s") % e.what();
std::cout << boost::format("This could mean that you have not installed the GPSDO correctly.\n\n");
std::cout << boost::format("Visit one of these pages if the problem persists:\n");
std::cout << boost::format(" * N2X0/E1X0: http://files.ettus.com/manual/page_gpsdo.html");
std::cout << boost::format(" * X3X0: http://files.ettus.com/manual/page_gpsdo_x3x0.html\n\n");
std::cout << boost::format(" * E3X0: http://files.ettus.com/manual/page_usrp_e3x0.html#e3x0_hw_gps\n\n");
exit(EXIT_FAILURE);
}
return EXIT_SUCCESS;
return EXIT_SUCCESS;
}
#if defined(USRP_REC_PLAY)
......@@ -315,24 +295,18 @@ char config_hlp_sf_wdelay[] = CONFIG_HLP_SF_WDELAY;
@param device pointer to the device structure specific to the RF hardware target
*/
static int trx_usrp_start(openair0_device *device) {
#if defined(USRP_REC_PLAY)
if (u_sf_mode != 2) { // not replay mode
#endif
usrp_state_t *s = (usrp_state_t*)device->priv;
// setup GPIO for TDD, GPIO(4) = ATR_RX
//set data direction register (DDR) to output
if (u_sf_mode != 2) { // not replay mode
#endif
usrp_state_t *s = (usrp_state_t *)device->priv;
// setup GPIO for TDD, GPIO(4) = ATR_RX
//set data direction register (DDR) to output
s->usrp->set_gpio_attr("FP0", "DDR", 0x1f, 0x1f);
//set control register to ATR
//set control register to ATR
s->usrp->set_gpio_attr("FP0", "CTRL", 0x1f,0x1f);
//set ATR register
//set ATR register
s->usrp->set_gpio_attr("FP0", "ATR_RX", 1<<4, 0x1f);
// init recv and send streaming
uhd::stream_cmd_t cmd(uhd::stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
LOG_I(PHY,"Time in secs now: %llu \n", s->usrp->get_time_now().to_ticks(s->sample_rate));
......@@ -340,28 +314,26 @@ static int trx_usrp_start(openair0_device *device) {
if (s->use_gps == 1) {
s->wait_for_first_pps = 1;
cmd.time_spec = s->usrp->get_time_last_pps() + uhd::time_spec_t(1.0);
}
else {
s->wait_for_first_pps = 0;
cmd.time_spec = s->usrp->get_time_last_pps() + uhd::time_spec_t(1.0);
} else {
s->wait_for_first_pps = 0;
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 = 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;
s->rx_count = 0;
s->tx_count = 0;
s->rx_timestamp = 0;
#if defined(USRP_REC_PLAY)
}
#endif
return 0;
}
#endif
return 0;
}
/*! \brief Terminate operation of the USRP transceiver -- free all associated resources
* \param device the hardware to use
......@@ -369,12 +341,14 @@ static int trx_usrp_start(openair0_device *device) {
static void trx_usrp_end(openair0_device *device) {
#if defined(USRP_REC_PLAY) // For some ugly reason, this can be called several times...
static int done = 0;
if (done == 1) return;
done = 1;
if (u_sf_mode != 2) { // not subframes replay
#endif
usrp_state_t *s = (usrp_state_t*)device->priv;
if (u_sf_mode != 2) { // not subframes replay
#endif
usrp_state_t *s = (usrp_state_t *)device->priv;
s->rx_stream->issue_stream_cmd(uhd::stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS);
//send a mini EOB packet
s->tx_md.end_of_burst = true;
......@@ -382,55 +356,67 @@ static void trx_usrp_end(openair0_device *device) {
s->tx_md.end_of_burst = false;
sleep(1);
#if defined(USRP_REC_PLAY)
}
}
#endif
#if defined(USRP_REC_PLAY)
if (u_sf_mode == 1) { // subframes store
pFile = fopen (u_sf_filename,"wb+");
if (pFile == NULL) {
std::cerr << "Cannot open " << u_sf_filename << std::endl;
} else {
unsigned int i = 0;
unsigned int modu = 0;
if ((modu = nb_samples % 10) != 0) {
nb_samples -= modu; // store entire number of frames
}
std::cerr << "Writing " << nb_samples << " subframes to " << u_sf_filename << " ..." << std::endl;
for (i = 0; i < nb_samples; i++) {
fwrite(ms_sample+i, sizeof(unsigned char), sizeof(iqrec_t), pFile);
}
fclose (pFile);
std::cerr << "File " << u_sf_filename << " closed." << std::endl;
if (u_sf_mode == 1) { // subframes store
pFile = fopen (u_sf_filename,"wb+");
if (pFile == NULL) {
std::cerr << "Cannot open " << u_sf_filename << std::endl;
} else {
unsigned int i = 0;
unsigned int modu = 0;
if ((modu = nb_samples % 10) != 0) {
nb_samples -= modu; // store entire number of frames
}
std::cerr << "Writing " << nb_samples << " subframes to " << u_sf_filename << " ..." << std::endl;
for (i = 0; i < nb_samples; i++) {
fwrite(ms_sample+i, sizeof(unsigned char), sizeof(iqrec_t), pFile);
}
fclose (pFile);
std::cerr << "File " << u_sf_filename << " closed." << std::endl;
}
if (u_sf_mode == 1) { // record
}
if (u_sf_mode == 1) { // record
if (ms_sample != NULL) {
free((void *)ms_sample);
ms_sample = NULL;
}
}
if (u_sf_mode == 2) { // replay
if (use_mmap) {
if (ms_sample != MAP_FAILED) {
munmap(ms_sample, sb.st_size);
ms_sample = NULL;
}
if (mmapfd != 0) {
close(mmapfd);
mmapfd = 0;
}
} else {
if (ms_sample != NULL) {
free((void*)ms_sample);
ms_sample = NULL;
free(ms_sample);
ms_sample = NULL;
}
}
if (u_sf_mode == 2) { // replay
if (use_mmap) {
if (ms_sample != MAP_FAILED) {
munmap(ms_sample, sb.st_size);
ms_sample = NULL;
}
if (mmapfd != 0) {
close(mmapfd);
mmapfd = 0;
}
} else {
if (ms_sample != NULL) {
free(ms_sample);
ms_sample = NULL;
}
if (iqfd != 0) {
close(iqfd);
iqfd = 0;
}
if (iqfd != 0) {
close(iqfd);
iqfd = 0;
}
}
#endif
}
#endif
}
/*! \brief Called to send samples to the USRP RF target
......@@ -444,78 +430,80 @@ static void trx_usrp_end(openair0_device *device) {
static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp, void **buff, int nsamps, int cc, int flags) {
int ret=0;
#if defined(USRP_REC_PLAY)
if (u_sf_mode != 2) { // not replay mode
#endif
usrp_state_t *s = (usrp_state_t*)device->priv;
int nsamps2; // aligned to upper 32 or 16 byte boundary
#endif
usrp_state_t *s = (usrp_state_t *)device->priv;
int nsamps2; // aligned to upper 32 or 16 byte boundary
#if defined(__x86_64) || defined(__i386__)
#ifdef __AVX2__
nsamps2 = (nsamps+7)>>3;
__m256i buff_tx[2][nsamps2];
nsamps2 = (nsamps+7)>>3;
__m256i buff_tx[2][nsamps2];
#else
nsamps2 = (nsamps+3)>>2;
__m128i buff_tx[2][nsamps2];
nsamps2 = (nsamps+3)>>2;
__m128i buff_tx[2][nsamps2];
#endif
#elif defined(__arm__)
nsamps2 = (nsamps+3)>>2;
int16x8_t buff_tx[2][nsamps2];
nsamps2 = (nsamps+3)>>2;
int16x8_t buff_tx[2][nsamps2];
#endif
// bring RX data into 12 LSBs for softmodem RX
for (int i=0; i<cc; i++) {
for (int j=0; j<nsamps2; j++) {
// bring RX data into 12 LSBs for softmodem RX
for (int i=0; i<cc; i++) {
for (int j=0; j<nsamps2; j++) {
#if defined(__x86_64__) || defined(__i386__)
#ifdef __AVX2__
buff_tx[i][j] = _mm256_slli_epi16(((__m256i*)buff[i])[j],4);
buff_tx[i][j] = _mm256_slli_epi16(((__m256i *)buff[i])[j],4);
#else
buff_tx[i][j] = _mm_slli_epi16(((__m128i*)buff[i])[j],4);
buff_tx[i][j] = _mm_slli_epi16(((__m128i *)buff[i])[j],4);
#endif
#elif defined(__arm__)
buff_tx[i][j] = vshlq_n_s16(((int16x8_t*)buff[i])[j],4);
buff_tx[i][j] = vshlq_n_s16(((int16x8_t *)buff[i])[j],4);
#endif
}
}
}
s->tx_md.time_spec = uhd::time_spec_t::from_ticks(timestamp, s->sample_rate);
s->tx_md.has_time_spec = flags;
if(flags>0)
s->tx_md.has_time_spec = true;
else
s->tx_md.has_time_spec = false;
if (flags == 2) { // start of burst
s->tx_md.start_of_burst = true;
s->tx_md.end_of_burst = false;
} else if (flags == 3) { // end of burst
s->tx_md.start_of_burst = false;
s->tx_md.end_of_burst = true;
} else if (flags == 4) { // start and end
s->tx_md.start_of_burst = true;
s->tx_md.end_of_burst = true;
} else if (flags==1) { // middle of burst
s->tx_md.start_of_burst = false;
s->tx_md.end_of_burst = false;
}
if(flags==10){ // fail safe mode
s->tx_md.has_time_spec = false;
s->tx_md.start_of_burst = false;
s->tx_md.end_of_burst = true;
}
if (cc>1) {
std::vector<void *> buff_ptrs;
for (int i=0; i<cc; i++)
buff_ptrs.push_back(buff_tx[i]);
ret = (int)s->tx_stream->send(buff_ptrs, nsamps, s->tx_md,1e-3);
} else
ret = (int)s->tx_stream->send(buff_tx[0], nsamps, s->tx_md,1e-3);
if (ret != nsamps)
LOG_E(PHY,"[xmit] tx samples %d != %d\n",ret,nsamps);
s->tx_md.time_spec = uhd::time_spec_t::from_ticks(timestamp, s->sample_rate);
s->tx_md.has_time_spec = flags;
if(flags>0)
s->tx_md.has_time_spec = true;
else
s->tx_md.has_time_spec = false;
if (flags == 2) { // start of burst
s->tx_md.start_of_burst = true;
s->tx_md.end_of_burst = false;
} else if (flags == 3) { // end of burst
s->tx_md.start_of_burst = false;
s->tx_md.end_of_burst = true;
} else if (flags == 4) { // start and end
s->tx_md.start_of_burst = true;
s->tx_md.end_of_burst = true;
} else if (flags==1) { // middle of burst
s->tx_md.start_of_burst = false;
s->tx_md.end_of_burst = false;
}
if(flags==10) { // fail safe mode
s->tx_md.has_time_spec = false;
s->tx_md.start_of_burst = false;
s->tx_md.end_of_burst = true;
}
if (cc>1) {
std::vector<void *> buff_ptrs;
for (int i=0; i<cc; i++)
buff_ptrs.push_back(buff_tx[i]);
ret = (int)s->tx_stream->send(buff_ptrs, nsamps, s->tx_md,1e-3);
} else
ret = (int)s->tx_stream->send(buff_tx[0], nsamps, s->tx_md,1e-3);
if (ret != nsamps)
LOG_E(PHY,"[xmit] tx samples %d != %d\n",ret,nsamps);
#if defined(USRP_REC_PLAY)
} else {
struct timespec req;
......@@ -524,8 +512,8 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
nanosleep(&req, NULL);
ret = nsamps;
}
#endif
#endif
return ret;
}
......@@ -541,12 +529,13 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
* \returns the number of sample read
*/
static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int cc) {
usrp_state_t *s = (usrp_state_t*)device->priv;
usrp_state_t *s = (usrp_state_t *)device->priv;
int samples_received=0,i,j;
int nsamps2; // aligned to upper 32 or 16 byte boundary
#if defined(USRP_REC_PLAY)
if (u_sf_mode != 2) { // not replay mode
#endif
#endif
#if defined(__x86_64) || defined(__i386__)
#ifdef __AVX2__
nsamps2 = (nsamps+7)>>3;
......@@ -561,66 +550,79 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
#endif
if (device->type == USRP_B200_DEV) {
if (cc>1) {
// receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs;
for (int i=0; i<cc; i++) buff_ptrs.push_back(buff_tmp[i]);
samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md);
} else {
// receive a single channel (e.g. from connector RF A)
samples_received=0;
while (samples_received != nsamps) {
samples_received += s->rx_stream->recv(buff_tmp[0]+samples_received,
nsamps-samples_received, s->rx_md);
if ((s->wait_for_first_pps == 0) && (s->rx_md.error_code!=uhd::rx_metadata_t::ERROR_CODE_NONE))
break;
if ((s->wait_for_first_pps == 1) && (samples_received != nsamps)) { printf("sleep...\n");} //usleep(100);
}
if (samples_received == nsamps) s->wait_for_first_pps=0;
if (cc>1) {
// receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs;
for (int i=0; i<cc; i++) buff_ptrs.push_back(buff_tmp[i]);
samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md);
} else {
// receive a single channel (e.g. from connector RF A)
samples_received=0;
while (samples_received != nsamps) {
samples_received += s->rx_stream->recv(buff_tmp[0]+samples_received,
nsamps-samples_received, s->rx_md);
if ((s->wait_for_first_pps == 0) && (s->rx_md.error_code!=uhd::rx_metadata_t::ERROR_CODE_NONE))
break;
if ((s->wait_for_first_pps == 1) && (samples_received != nsamps)) {
printf("sleep...\n"); //usleep(100);
}
}
// bring RX data into 12 LSBs for softmodem RX
for (int i=0; i<cc; i++) {
for (int j=0; j<nsamps2; j++) {
if (samples_received == nsamps) s->wait_for_first_pps=0;
}
// bring RX data into 12 LSBs for softmodem RX
for (int i=0; i<cc; i++) {
for (int j=0; j<nsamps2; j++) {
#if defined(__x86_64__) || defined(__i386__)
#ifdef __AVX2__
((__m256i *)buff[i])[j] = _mm256_srai_epi16(buff_tmp[i][j],4);
((__m256i *)buff[i])[j] = _mm256_srai_epi16(buff_tmp[i][j],4);
#else
((__m128i *)buff[i])[j] = _mm_srai_epi16(buff_tmp[i][j],4);
((__m128i *)buff[i])[j] = _mm_srai_epi16(buff_tmp[i][j],4);
#endif
#elif defined(__arm__)
((int16x8_t*)buff[i])[j] = vshrq_n_s16(buff_tmp[i][j],4);
((int16x8_t *)buff[i])[j] = vshrq_n_s16(buff_tmp[i][j],4);
#endif
}
}
}
} else if (device->type == USRP_X300_DEV) {
if (cc>1) {
// receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs;
if (cc>1) {
// receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs;
for (int i=0; i<cc; i++) buff_ptrs.push_back(buff[i]);
samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md);
} else {
// receive a single channel (e.g. from connector RF A)
samples_received = s->rx_stream->recv(buff[0], nsamps, s->rx_md);
}
for (int i=0; i<cc; i++) buff_ptrs.push_back(buff[i]);
samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md);
} else {
// receive a single channel (e.g. from connector RF A)
samples_received = s->rx_stream->recv(buff[0], nsamps, s->rx_md);
}
}
if (samples_received < nsamps)
LOG_E(PHY,"[recv] received %d samples out of %d\n",samples_received,nsamps);
LOG_E(PHY,"[recv] received %d samples out of %d\n",samples_received,nsamps);
if ( s->rx_md.error_code != uhd::rx_metadata_t::ERROR_CODE_NONE)
LOG_E(PHY, "%s\n", s->rx_md.to_pp_string(true).c_str());
LOG_E(PHY, "%s\n", s->rx_md.to_pp_string(true).c_str());
s->rx_count += nsamps;
s->rx_timestamp = s->rx_md.time_spec.to_ticks(s->sample_rate);
*ptimestamp = s->rx_timestamp;
#if defined (USRP_REC_PLAY)
}
#endif
#endif
#if defined(USRP_REC_PLAY)
if (u_sf_mode == 1) { // record mode
// Copy subframes to memory (later dump on a file)
if (nb_samples < u_sf_max) {
(ms_sample+nb_samples)->header = BELL_LABS_IQ_HEADER;
(ms_sample+nb_samples)->header = BELL_LABS_IQ_HEADER;
(ms_sample+nb_samples)->ts = *ptimestamp;
memcpy((ms_sample+nb_samples)->samples, buff[0], nsamps*4);
nb_samples++;
......@@ -629,62 +631,78 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
if (cur_samples == nb_samples) {
cur_samples = 0;
wrap_count++;
if (wrap_count == u_sf_loops) {
std::cerr << "USRP device terminating subframes replay mode after " << u_sf_loops << " loops." << std::endl;
return 0; // should make calling process exit
std::cerr << "USRP device terminating subframes replay mode after " << u_sf_loops << " loops." << std::endl;
return 0; // should make calling process exit
}
wrap_ts = wrap_count * (nb_samples * (((int)(device->openair0_cfg[0].sample_rate)) / 1000));
if (!use_mmap) {
if (lseek(iqfd, 0, SEEK_SET) == 0) {
std::cerr << "Seeking at the beginning of IQ file" << std::endl;
} else {
std::cerr << "Problem seeking at the beginning of IQ file" << std::endl;
}
if (lseek(iqfd, 0, SEEK_SET) == 0) {
std::cerr << "Seeking at the beginning of IQ file" << std::endl;
} else {
std::cerr << "Problem seeking at the beginning of IQ file" << std::endl;
}
}
}
if (use_mmap) {
if (cur_samples < nb_samples) {
*ptimestamp = (ms_sample[0].ts + (cur_samples * (((int)(device->openair0_cfg[0].sample_rate)) / 1000))) + wrap_ts;
if (cur_samples == 0) {
std::cerr << "starting subframes file with wrap_count=" << wrap_count << " wrap_ts=" << wrap_ts
<< " ts=" << *ptimestamp << std::endl;
}
memcpy(buff[0], &ms_sample[cur_samples].samples[0], nsamps*4);
cur_samples++;
*ptimestamp = (ms_sample[0].ts + (cur_samples * (((int)(device->openair0_cfg[0].sample_rate)) / 1000))) + wrap_ts;
if (cur_samples == 0) {
std::cerr << "starting subframes file with wrap_count=" << wrap_count << " wrap_ts=" << wrap_ts
<< " ts=" << *ptimestamp << std::endl;
}
memcpy(buff[0], &ms_sample[cur_samples].samples[0], nsamps*4);
cur_samples++;
}
} else {
// read sample from file
if (read(iqfd, ms_sample, sizeof(iqrec_t)) != sizeof(iqrec_t)) {
std::cerr << "pb reading iqfile at index " << sizeof(iqrec_t)*cur_samples << std::endl;
close(iqfd);
free(ms_sample);
ms_sample = NULL;
iqfd = 0;
exit(-1);
std::cerr << "pb reading iqfile at index " << sizeof(iqrec_t)*cur_samples << std::endl;
close(iqfd);
free(ms_sample);
ms_sample = NULL;
iqfd = 0;
exit(-1);
}
if (cur_samples < nb_samples) {
static int64_t ts0 = 0;
if ((cur_samples == 0) && (wrap_count == 0)) {
ts0 = ms_sample->ts;
}
*ptimestamp = ts0 + (cur_samples * (((int)(device->openair0_cfg[0].sample_rate)) / 1000)) + wrap_ts;
if (cur_samples == 0) {
std::cerr << "starting subframes file with wrap_count=" << wrap_count << " wrap_ts=" << wrap_ts
<< " ts=" << *ptimestamp << std::endl;
}
memcpy(buff[0], &ms_sample->samples[0], nsamps*4);
cur_samples++;
// Prepare for next read
off_t where = lseek(iqfd, cur_samples * sizeof(iqrec_t), SEEK_SET);
static int64_t ts0 = 0;
if ((cur_samples == 0) && (wrap_count == 0)) {
ts0 = ms_sample->ts;
}
*ptimestamp = ts0 + (cur_samples * (((int)(device->openair0_cfg[0].sample_rate)) / 1000)) + wrap_ts;
if (cur_samples == 0) {
std::cerr << "starting subframes file with wrap_count=" << wrap_count << " wrap_ts=" << wrap_ts
<< " ts=" << *ptimestamp << std::endl;
}
memcpy(buff[0], &ms_sample->samples[0], nsamps*4);
cur_samples++;
// Prepare for next read
off_t where = lseek(iqfd, cur_samples * sizeof(iqrec_t), SEEK_SET);
}
}
struct timespec req;
req.tv_sec = 0;
req.tv_nsec = u_sf_read_delay * 1000;
nanosleep(&req, NULL);
return nsamps;
}
#endif
return samples_received;
}
......@@ -694,16 +712,14 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
* \param b second variable
*/
static bool is_equal(double a, double b) {
return std::fabs(a-b) < std::numeric_limits<double>::epsilon();
return std::fabs(a-b) < std::numeric_limits<double>::epsilon();
}
void *freq_thread(void *arg) {
openair0_device *device=(openair0_device *)arg;
usrp_state_t *s = (usrp_state_t*)device->priv;
s->usrp->set_tx_freq(device->openair0_cfg[0].tx_freq[0]);
s->usrp->set_rx_freq(device->openair0_cfg[0].rx_freq[0]);
openair0_device *device=(openair0_device *)arg;
usrp_state_t *s = (usrp_state_t *)device->priv;
s->usrp->set_tx_freq(device->openair0_cfg[0].tx_freq[0]);
s->usrp->set_rx_freq(device->openair0_cfg[0].rx_freq[0]);
}
/*! \brief Set frequencies (TX/RX). Spawns a thread to handle the frequency change to not block the calling thread
* \param device the hardware to use
......@@ -711,23 +727,20 @@ void *freq_thread(void *arg) {
* \param dummy dummy variable not used
* \returns 0 in success
*/
int trx_usrp_set_freq(openair0_device* device, openair0_config_t *openair0_cfg, int dont_block) {
usrp_state_t *s = (usrp_state_t*)device->priv;
pthread_t f_thread;
printf("Setting USRP TX Freq %f, RX Freq %f\n",openair0_cfg[0].tx_freq[0],openair0_cfg[0].rx_freq[0]);
// spawn a thread to handle the frequency change to not block the calling thread
if (dont_block == 1)
pthread_create(&f_thread,NULL,freq_thread,(void*)device);
else {
s->usrp->set_tx_freq(device->openair0_cfg[0].tx_freq[0]);
s->usrp->set_rx_freq(device->openair0_cfg[0].rx_freq[0]);
}
return(0);
int trx_usrp_set_freq(openair0_device *device, openair0_config_t *openair0_cfg, int dont_block) {
usrp_state_t *s = (usrp_state_t *)device->priv;
pthread_t f_thread;
printf("Setting USRP TX Freq %f, RX Freq %f\n",openair0_cfg[0].tx_freq[0],openair0_cfg[0].rx_freq[0]);
// spawn a thread to handle the frequency change to not block the calling thread
if (dont_block == 1)
pthread_create(&f_thread,NULL,freq_thread,(void *)device);
else {
s->usrp->set_tx_freq(device->openair0_cfg[0].tx_freq[0]);
s->usrp->set_rx_freq(device->openair0_cfg[0].rx_freq[0]);
}
return(0);
}
/*! \brief Set RX frequencies
......@@ -735,21 +748,16 @@ int trx_usrp_set_freq(openair0_device* device, openair0_config_t *openair0_cfg,
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
int openair0_set_rx_frequencies(openair0_device* device, openair0_config_t *openair0_cfg) {
usrp_state_t *s = (usrp_state_t*)device->priv;
static int first_call=1;
static double rf_freq,diff;
uhd::tune_request_t rx_tune_req(openair0_cfg[0].rx_freq[0]);
rx_tune_req.rf_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
rx_tune_req.rf_freq = openair0_cfg[0].rx_freq[0];
rf_freq=openair0_cfg[0].rx_freq[0];
s->usrp->set_rx_freq(rx_tune_req);
return(0);
int openair0_set_rx_frequencies(openair0_device *device, openair0_config_t *openair0_cfg) {
usrp_state_t *s = (usrp_state_t *)device->priv;
static int first_call=1;
static double rf_freq,diff;
uhd::tune_request_t rx_tune_req(openair0_cfg[0].rx_freq[0]);
rx_tune_req.rf_freq_policy = uhd::tune_request_t::POLICY_MANUAL;
rx_tune_req.rf_freq = openair0_cfg[0].rx_freq[0];
rf_freq=openair0_cfg[0].rx_freq[0];
s->usrp->set_rx_freq(rx_tune_req);
return(0);
}
/*! \brief Set Gains (TX/RX)
......@@ -757,62 +765,62 @@ int openair0_set_rx_frequencies(openair0_device* device, openair0_config_t *open
* \param openair0_cfg RF frontend parameters set by application
* \returns 0 in success
*/
int trx_usrp_set_gains(openair0_device* device,
int trx_usrp_set_gains(openair0_device *device,
openair0_config_t *openair0_cfg) {
usrp_state_t *s = (usrp_state_t *)device->priv;
::uhd::gain_range_t gain_range_tx = s->usrp->get_tx_gain_range(0);
s->usrp->set_tx_gain(gain_range_tx.stop()-openair0_cfg[0].tx_gain[0]);
::uhd::gain_range_t gain_range = s->usrp->get_rx_gain_range(0);
// limit to maximum gain
if (openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0] > gain_range.stop()) {
LOG_E(PHY,"RX Gain 0 too high, reduce by %f dB\n",
openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0] - gain_range.stop());
exit(-1);
}
usrp_state_t *s = (usrp_state_t*)device->priv;
::uhd::gain_range_t gain_range_tx = s->usrp->get_tx_gain_range(0);
s->usrp->set_tx_gain(gain_range_tx.stop()-openair0_cfg[0].tx_gain[0]);
::uhd::gain_range_t gain_range = s->usrp->get_rx_gain_range(0);
// limit to maximum gain
if (openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0] > gain_range.stop()) {
LOG_E(PHY,"RX Gain 0 too high, reduce by %f dB\n",
openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0] - gain_range.stop());
exit(-1);
}
s->usrp->set_rx_gain(openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0]);
LOG_I(PHY,"Setting USRP RX gain to %f (rx_gain %f,gain_range.stop() %f)\n",
openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0],
openair0_cfg[0].rx_gain[0],gain_range.stop());
return(0);
s->usrp->set_rx_gain(openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0]);
LOG_I(PHY,"Setting USRP RX gain to %f (rx_gain %f,gain_range.stop() %f)\n",
openair0_cfg[0].rx_gain[0]-openair0_cfg[0].rx_gain_offset[0],
openair0_cfg[0].rx_gain[0],gain_range.stop());
return(0);
}
/*! \brief Stop USRP
* \param card refers to the hardware index to use
*/
int trx_usrp_stop(openair0_device* device) {
return(0);
int trx_usrp_stop(openair0_device *device) {
return(0);
}
/*! \brief USRPB210 RX calibration table */
rx_gain_calib_table_t calib_table_b210[] = {
{3500000000.0,44.0},
{2660000000.0,49.0},
{2300000000.0,50.0},
{1880000000.0,53.0},
{816000000.0,58.0},
{-1,0}
{3500000000.0,44.0},
{2660000000.0,49.0},
{2300000000.0,50.0},
{1880000000.0,53.0},
{816000000.0,58.0},
{-1,0}
};
/*! \brief USRPB210 RX calibration table */
rx_gain_calib_table_t calib_table_b210_38[] = {
{3500000000.0,44.0},
{2660000000.0,49.8},
{2300000000.0,51.0},
{1880000000.0,53.0},
{816000000.0,57.0},
{-1,0}
{3500000000.0,44.0},
{2660000000.0,49.8},
{2300000000.0,51.0},
{1880000000.0,53.0},
{816000000.0,57.0},
{-1,0}
};
/*! \brief USRPx310 RX calibration table */
rx_gain_calib_table_t calib_table_x310[] = {
{3500000000.0,77.0},
{2660000000.0,81.0},
{2300000000.0,81.0},
{1880000000.0,82.0},
{816000000.0,85.0},
{-1,0}
{3500000000.0,77.0},
{2660000000.0,81.0},
{2300000000.0,81.0},
{1880000000.0,82.0},
{816000000.0,85.0},
{-1,0}
};
/*! \brief Set RX gain offset
......@@ -821,72 +829,81 @@ rx_gain_calib_table_t calib_table_x310[] = {
* \returns 0 in success
*/
void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index,int bw_gain_adjust) {
int i=0;
// loop through calibration table to find best adjustment factor for RX frequency
double min_diff = 6e9,diff,gain_adj=0.0;
int i=0;
// loop through calibration table to find best adjustment factor for RX frequency
double min_diff = 6e9,diff,gain_adj=0.0;
if (bw_gain_adjust==1) {
switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
break;
case 23040000:
gain_adj=1.25;
break;
case 15360000:
gain_adj=3.0;
break;
case 7680000:
gain_adj=6.0;
break;
case 3840000:
gain_adj=9.0;
break;
case 1920000:
gain_adj=12.0;
break;
default:
LOG_E(PHY,"unknown sampling rate %d\n",(int)openair0_cfg[0].sample_rate);
exit(-1);
break;
}
if (bw_gain_adjust==1) {
switch ((int)openair0_cfg[0].sample_rate) {
case 30720000:
break;
case 23040000:
gain_adj=1.25;
break;
case 15360000:
gain_adj=3.0;
break;
case 7680000:
gain_adj=6.0;
break;
case 3840000:
gain_adj=9.0;
break;
case 1920000:
gain_adj=12.0;
break;
default:
LOG_E(PHY,"unknown sampling rate %d\n",(int)openair0_cfg[0].sample_rate);
exit(-1);
break;
}
while (openair0_cfg->rx_gain_calib_table[i].freq>0) {
diff = fabs(openair0_cfg->rx_freq[chain_index] - openair0_cfg->rx_gain_calib_table[i].freq);
LOG_I(PHY,"cal %d: freq %f, offset %f, diff %f\n",
i,
openair0_cfg->rx_gain_calib_table[i].freq,
openair0_cfg->rx_gain_calib_table[i].offset,diff);
if (min_diff > diff) {
min_diff = diff;
openair0_cfg->rx_gain_offset[chain_index] = openair0_cfg->rx_gain_calib_table[i].offset+gain_adj;
}
i++;
}
while (openair0_cfg->rx_gain_calib_table[i].freq>0) {
diff = fabs(openair0_cfg->rx_freq[chain_index] - openair0_cfg->rx_gain_calib_table[i].freq);
LOG_I(PHY,"cal %d: freq %f, offset %f, diff %f\n",
i,
openair0_cfg->rx_gain_calib_table[i].freq,
openair0_cfg->rx_gain_calib_table[i].offset,diff);
if (min_diff > diff) {
min_diff = diff;
openair0_cfg->rx_gain_offset[chain_index] = openair0_cfg->rx_gain_calib_table[i].offset+gain_adj;
}
i++;
}
}
/*! \brief print the USRP statistics
* \param device the hardware to use
* \returns 0 on success
*/
int trx_usrp_get_stats(openair0_device* device) {
return(0);
int trx_usrp_get_stats(openair0_device *device) {
return(0);
}
/*! \brief Reset the USRP statistics
* \param device the hardware to use
* \returns 0 on success
*/
int trx_usrp_reset_stats(openair0_device* device) {
return(0);
int trx_usrp_reset_stats(openair0_device *device) {
return(0);
}
#if defined(USRP_REC_PLAY)
extern "C" {
/*! \brief Initializer for USRP record/playback config
* \param parameter array description
* \returns 0 on success
*/
int trx_usrp_recplay_config_init(paramdef_t *usrp_recplay_params) {
/*! \brief Initializer for USRP record/playback config
* \param parameter array description
* \returns 0 on success
*/
int trx_usrp_recplay_config_init(paramdef_t *usrp_recplay_params) {
// --subframes-file
memcpy(usrp_recplay_params[0].optname, config_opt_sf_file, strlen(config_opt_sf_file));
usrp_recplay_params[0].helpstr = config_hlp_sf_file;
......@@ -943,9 +960,8 @@ int trx_usrp_recplay_config_init(paramdef_t *usrp_recplay_params) {
usrp_recplay_params[6].defuintval=DEF_SF_DELAY_WRITE;
usrp_recplay_params[6].type=TYPE_UINT;
usrp_recplay_params[6].numelt=0;
return 0; // always ok
}
}
}
#endif
......@@ -954,86 +970,90 @@ extern "C" {
* \param device the hardware to use
* \param openair0_cfg RF frontend parameters set by application
*/
int device_init(openair0_device* device, openair0_config_t *openair0_cfg) {
int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
LOG_D(PHY, "openair0_cfg[0].sdr_addrs == '%s'\n", openair0_cfg[0].sdr_addrs);
LOG_D(PHY, "openair0_cfg[0].clock_source == '%d'\n", openair0_cfg[0].clock_source);
#if defined(USRP_REC_PLAY)
paramdef_t usrp_recplay_params[7];
struct sysinfo systeminfo;
// to check
static int done = 0;
if (done == 1) {
return 0;
} // prevent from multiple init
done = 1;
// end to check
// Use mmap for IQ files for systems with less than 6GB total RAM
sysinfo(&systeminfo);
if (systeminfo.totalram < 6144000000) {
use_mmap = 0;
}
memset(usrp_recplay_params, 0, 7*sizeof(paramdef_t));
memset(&u_sf_filename[0], 0, 1024);
if (trx_usrp_recplay_config_init(usrp_recplay_params) != 0) {
std::cerr << "USRP device record/replay mode configuration error exiting" << std::endl;
return -1;
}
config_process_cmdline(usrp_recplay_params,sizeof(usrp_recplay_params)/sizeof(paramdef_t),NULL);
paramdef_t usrp_recplay_params[7];
struct sysinfo systeminfo;
// to check
static int done = 0;
if (strlen(u_sf_filename) == 0) {
(void) strcpy(u_sf_filename, DEF_SF_FILE);
}
if (done == 1) {
return 0;
} // prevent from multiple init
if (u_sf_replay == 1) u_sf_mode = 2;
if (u_sf_record == 1) u_sf_mode = 1;
if (u_sf_mode == 2) {
// Replay subframes from from file
int bw_gain_adjust=0;
device->openair0_cfg = openair0_cfg;
device->type = USRP_B200_DEV;
openair0_cfg[0].rx_gain_calib_table = calib_table_b210_38;
bw_gain_adjust=1;
openair0_cfg[0].tx_sample_advance = 80;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
openair0_cfg[0].iq_txshift = 4;//shift
openair0_cfg[0].iq_rxrescale = 15;//rescale iqs
set_rx_gain_offset(&openair0_cfg[0],0,bw_gain_adjust);
device->priv = NULL;
device->trx_start_func = trx_usrp_start;
device->trx_write_func = trx_usrp_write;
device->trx_read_func = trx_usrp_read;
device->trx_get_stats_func = trx_usrp_get_stats;
device->trx_reset_stats_func = trx_usrp_reset_stats;
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_set_gains_func = trx_usrp_set_gains;
device->openair0_cfg = openair0_cfg;
std::cerr << "USRP device initialized in subframes replay mode for " << u_sf_loops << " loops. Use mmap="
<< use_mmap << std::endl;
} else {
done = 1;
// end to check
// Use mmap for IQ files for systems with less than 6GB total RAM
sysinfo(&systeminfo);
if (systeminfo.totalram < 6144000000) {
use_mmap = 0;
}
memset(usrp_recplay_params, 0, 7*sizeof(paramdef_t));
memset(&u_sf_filename[0], 0, 1024);
if (trx_usrp_recplay_config_init(usrp_recplay_params) != 0) {
std::cerr << "USRP device record/replay mode configuration error exiting" << std::endl;
return -1;
}
config_process_cmdline(usrp_recplay_params,sizeof(usrp_recplay_params)/sizeof(paramdef_t),NULL);
if (strlen(u_sf_filename) == 0) {
(void) strcpy(u_sf_filename, DEF_SF_FILE);
}
if (u_sf_replay == 1) u_sf_mode = 2;
if (u_sf_record == 1) u_sf_mode = 1;
if (u_sf_mode == 2) {
// Replay subframes from from file
int bw_gain_adjust=0;
device->openair0_cfg = openair0_cfg;
device->type = USRP_B200_DEV;
openair0_cfg[0].rx_gain_calib_table = calib_table_b210_38;
bw_gain_adjust=1;
openair0_cfg[0].tx_sample_advance = 80;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
openair0_cfg[0].iq_txshift = 4;//shift
openair0_cfg[0].iq_rxrescale = 15;//rescale iqs
set_rx_gain_offset(&openair0_cfg[0],0,bw_gain_adjust);
device->priv = NULL;
device->trx_start_func = trx_usrp_start;
device->trx_write_func = trx_usrp_write;
device->trx_read_func = trx_usrp_read;
device->trx_get_stats_func = trx_usrp_get_stats;
device->trx_reset_stats_func = trx_usrp_reset_stats;
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_set_gains_func = trx_usrp_set_gains;
device->openair0_cfg = openair0_cfg;
std::cerr << "USRP device initialized in subframes replay mode for " << u_sf_loops << " loops. Use mmap="
<< use_mmap << std::endl;
} else {
#endif
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;
uhd::set_thread_priority_safe(1.0);
usrp_state_t *s = (usrp_state_t *)calloc(sizeof(usrp_state_t),1);
// Initialize USRP device
device->openair0_cfg = openair0_cfg;
if (openair0_cfg[0].clock_source==gpsdo)
s->use_gps =1;
// Initialize USRP device
device->openair0_cfg = openair0_cfg;
std::string args = "type=b200";
char *addr_args = NULL;
// Check whether sdr_addrs is set in the config or not
if (openair0_cfg[0].sdr_addrs != NULL) {
if (strcmp(openair0_cfg[0].sdr_addrs, "0.0.0.0") != 0) {
// Check whether sdr_addrs contains multiple IP addresses
// and split and add them to addr_args
if (strcmp(openair0_cfg[0].sdr_addrs, "0.0.0.0") != 0) {
// Check whether sdr_addrs contains multiple IP addresses
// and split and add them to addr_args
if (strstr(openair0_cfg[0].sdr_addrs, ",") != NULL) {
char *addr0 = openair0_cfg[0].sdr_addrs;
// Replace , with \0
......@@ -1045,387 +1065,407 @@ extern "C" {
snprintf(addr_args, addr_args_len, ",addr0=%s,addr1=%s", addr0, addr1);
args += addr_args;
LOG_D(PHY, "addr_args == '%s'\n", addr_args);
}
}
}
}
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)
int vers=0,subvers=0,subsubvers=0;
int bw_gain_adjust=0;
if (u_sf_mode == 1) {
std::cerr << "USRP device initialized in subframes record mode" << std::endl;
}
#if defined(USRP_REC_PLAY)
if (u_sf_mode == 1) {
std::cerr << "USRP device initialized in subframes record mode" << std::endl;
}
#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);
#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) {
double usrp_master_clock = 184.32e6;
std::string args = "type=x300";
if (addr_args) {
if (addr_args) {
args += addr_args;
}
// workaround for an api problem, master clock has to be set with the constructor not via set_master_clock_rate
args += boost::str(boost::format(",master_clock_rate=%f") % usrp_master_clock);
// args += ",num_send_frames=256,num_recv_frames=256, send_frame_size=4096, recv_frame_size=4096";
uhd::device_addrs_t device_adds = uhd::device::find(args);
if(device_adds.size() == 0) {
args += ",addr=192.168.30.2";
uhd::device_addrs_t device_adds = uhd::device::find(args);
if(device_adds.size() == 0) {
std::cerr<<"No USRP Device Found. " << std::endl;
free(s);
return -1;
}
}
LOG_I(PHY,"Found USRP X300\n");
s->usrp = uhd::usrp::multi_usrp::make(args);
// lock mboard clocks
if (openair0_cfg[0].clock_source == internal)
s->usrp->set_clock_source("internal");
else
s->usrp->set_clock_source("external");
//Setting device type to USRP X300/X310
device->type=USRP_X300_DEV;
// this is not working yet, master clock has to be set via constructor
// set master clock rate and sample rate for tx & rx for streaming
//s->usrp->set_master_clock_rate(usrp_master_clock);
openair0_cfg[0].rx_gain_calib_table = calib_table_x310;
#if defined(USRP_REC_PLAY)
std::cerr << "-- Using calibration table: calib_table_x310" << std::endl; // Bell Labs info
#endif
LOG_I(PHY,"%s() sample_rate:%u\n", __FUNCTION__, (int)openair0_cfg[0].sample_rate);
// args += ",num_send_frames=256,num_recv_frames=256, send_frame_size=4096, recv_frame_size=4096";
uhd::device_addrs_t device_adds = uhd::device::find(args);
switch ((int)openair0_cfg[0].sample_rate) {
case 122880000:
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15; //to be checked
openair0_cfg[0].tx_bw = 80e6;
openair0_cfg[0].rx_bw = 80e6;
break;
if(device_adds.size() == 0) {
args += ",addr=192.168.30.2";
case 61440000:
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_bw = 40e6;
openair0_cfg[0].rx_bw = 40e6;
break;
uhd::device_addrs_t device_adds = uhd::device::find(args);
case 30720000:
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
if(device_adds.size() == 0) {
std::cerr<<"No USRP Device Found. " << std::endl;
free(s);
return -1;
}
}
LOG_I(PHY,"Found USRP X300\n");
s->usrp = uhd::usrp::multi_usrp::make(args);
// lock mboard clocks
if (openair0_cfg[0].clock_source == internal)
s->usrp->set_clock_source("internal");
else
s->usrp->set_clock_source("external");
case 15360000:
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 45;
openair0_cfg[0].tx_bw = 10e6;
openair0_cfg[0].rx_bw = 10e6;
break;
//Setting device type to USRP X300/X310
device->type=USRP_X300_DEV;
case 7680000:
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 50;
openair0_cfg[0].tx_bw = 5e6;
openair0_cfg[0].rx_bw = 5e6;
break;
// this is not working yet, master clock has to be set via constructor
// set master clock rate and sample rate for tx & rx for streaming
//s->usrp->set_master_clock_rate(usrp_master_clock);
case 1920000:
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 50;
openair0_cfg[0].tx_bw = 1.25e6;
openair0_cfg[0].rx_bw = 1.25e6;
break;
openair0_cfg[0].rx_gain_calib_table = calib_table_x310;
default:
LOG_E(PHY,"Error: unknown sampling rate %f\n",openair0_cfg[0].sample_rate);
exit(-1);
break;
}
} else {
LOG_I(PHY,"Found USRP B200\n");
args += ",num_send_frames=256,num_recv_frames=256, send_frame_size=15360, recv_frame_size=15360" ;
s->usrp = uhd::usrp::multi_usrp::make(args);
#if defined(USRP_REC_PLAY)
std::cerr << "-- Using calibration table: calib_table_x310" << std::endl; // Bell Labs info
#endif
// s->usrp->set_rx_subdev_spec(rx_subdev);
// s->usrp->set_tx_subdev_spec(tx_subdev);
LOG_I(PHY,"%s() sample_rate:%u\n", __FUNCTION__, (int)openair0_cfg[0].sample_rate);
switch ((int)openair0_cfg[0].sample_rate) {
case 122880000:
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15; //to be checked
openair0_cfg[0].tx_bw = 80e6;
openair0_cfg[0].rx_bw = 80e6;
break;
case 61440000:
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_bw = 40e6;
openair0_cfg[0].rx_bw = 40e6;
break;
case 30720000:
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
case 15360000:
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 45;
openair0_cfg[0].tx_bw = 10e6;
openair0_cfg[0].rx_bw = 10e6;
break;
case 7680000:
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 50;
openair0_cfg[0].tx_bw = 5e6;
openair0_cfg[0].rx_bw = 5e6;
break;
case 1920000:
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 50;
openair0_cfg[0].tx_bw = 1.25e6;
openair0_cfg[0].rx_bw = 1.25e6;
break;
default:
LOG_E(PHY,"Error: unknown sampling rate %f\n",openair0_cfg[0].sample_rate);
exit(-1);
break;
}
// do not explicitly set the clock to "internal", because this will disable the gpsdo
// // lock mboard clocks
// s->usrp->set_clock_source("internal");
// set master clock rate and sample rate for tx & rx for streaming
// lock mboard clocks
if (openair0_cfg[0].clock_source == internal) {
s->usrp->set_clock_source("internal");
} else {
LOG_I(PHY,"Found USRP B200\n");
args += ",num_send_frames=256,num_recv_frames=256, send_frame_size=15360, recv_frame_size=15360" ;
s->usrp = uhd::usrp::multi_usrp::make(args);
// s->usrp->set_rx_subdev_spec(rx_subdev);
// s->usrp->set_tx_subdev_spec(tx_subdev);
s->usrp->set_clock_source("external");
s->usrp->set_time_source("external");
}
// do not explicitly set the clock to "internal", because this will disable the gpsdo
// // lock mboard clocks
// s->usrp->set_clock_source("internal");
// set master clock rate and sample rate for tx & rx for streaming
device->type = USRP_B200_DEV;
// lock mboard clocks
if (openair0_cfg[0].clock_source == internal){
s->usrp->set_clock_source("internal");
}
else{
s->usrp->set_clock_source("external");
s->usrp->set_time_source("external");
}
device->type = USRP_B200_DEV;
if ((vers == 3) && (subvers == 9) && (subsubvers>=2)) {
openair0_cfg[0].rx_gain_calib_table = calib_table_b210;
bw_gain_adjust=0;
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;
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
}
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 ((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;
}
}
/* 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());
}
/* 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());
}
}
LOG_D(PHY, "usrp->get_tx_num_channels() == %zd\n", s->usrp->get_tx_num_channels());
LOG_D(PHY, "openair0_cfg[0].tx_num_channels == %d\n", openair0_cfg[0].tx_num_channels);
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]);
}
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);
// create tx & rx streamer
uhd::stream_args_t stream_args_rx("sc16", "sc16");
int samples=openair0_cfg[0].sample_rate;
int max=s->usrp->get_rx_stream(stream_args_rx)->get_max_num_samps();
samples/=10000;
LOG_I(PHY,"RF board max packet size %u, size for 100µs jitter %d \n", max, samples);
if ( samples < max )
stream_args_rx.args["spp"] = str(boost::format("%d") % samples );
LOG_I(PHY,"rx_max_num_samps %zu\n",
s->usrp->get_rx_stream(stream_args_rx)->get_max_num_samps());
for (int i = 0; i<openair0_cfg[0].rx_num_channels; i++)
stream_args_rx.channels.push_back(i);
s->rx_stream = s->usrp->get_rx_stream(stream_args_rx);
uhd::stream_args_t stream_args_tx("sc16", "sc16");
for (int 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);
/* 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());
}
//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);
// create tx & rx streamer
uhd::stream_args_t stream_args_rx("sc16", "sc16");
int samples=openair0_cfg[0].sample_rate;
int max=s->usrp->get_rx_stream(stream_args_rx)->get_max_num_samps();
samples/=10000;
LOG_I(PHY,"RF board max packet size %u, size for 100µs jitter %d \n", max, samples);
if ( samples < max )
stream_args_rx.args["spp"] = str(boost::format("%d") % samples );
LOG_I(PHY,"rx_max_num_samps %zu\n",
s->usrp->get_rx_stream(stream_args_rx)->get_max_num_samps());
for (int i = 0; i<openair0_cfg[0].rx_num_channels; i++)
stream_args_rx.channels.push_back(i);
s->rx_stream = s->usrp->get_rx_stream(stream_args_rx);
uhd::stream_args_t stream_args_tx("sc16", "sc16");
for (int 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);
/* 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());
}
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->priv = s;
device->trx_start_func = trx_usrp_start;
device->trx_write_func = trx_usrp_write;
device->trx_read_func = trx_usrp_read;
device->trx_get_stats_func = trx_usrp_get_stats;
device->trx_reset_stats_func = trx_usrp_reset_stats;
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_set_gains_func = trx_usrp_set_gains;
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);
}
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;
device->trx_write_func = trx_usrp_write;
device->trx_read_func = trx_usrp_read;
device->trx_get_stats_func = trx_usrp_get_stats;
device->trx_reset_stats_func = trx_usrp_reset_stats;
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_set_gains_func = trx_usrp_set_gains;
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);
}
#if defined(USRP_REC_PLAY)
}
#if defined(USRP_REC_PLAY)
}
#endif
#if defined(USRP_REC_PLAY)
if (u_sf_mode == 1) { // record mode
ms_sample = (iqrec_t*) malloc(u_sf_max * sizeof(iqrec_t));
if (ms_sample == NULL) {
std::cerr<< "Memory allocation failed for subframe record or replay mode." << std::endl;
exit(-1);
}
memset(ms_sample, 0, u_sf_max * BELL_LABS_IQ_BYTES_PER_SF);
if (u_sf_mode == 1) { // record mode
ms_sample = (iqrec_t *) malloc(u_sf_max * sizeof(iqrec_t));
if (ms_sample == NULL) {
std::cerr<< "Memory allocation failed for subframe record or replay mode." << std::endl;
exit(-1);
}
if (u_sf_mode == 2) {
if (use_mmap) {
// use mmap
mmapfd = open(u_sf_filename, O_RDONLY | O_LARGEFILE);
if (mmapfd != 0) {
fstat(mmapfd, &sb);
std::cerr << "Loading subframes using mmap() from " << u_sf_filename << " size=" << (uint64_t)sb.st_size << " bytes ..." << std::endl;
ms_sample = (iqrec_t*) mmap(NULL, sb.st_size, PROT_WRITE, MAP_PRIVATE, mmapfd, 0);
if (ms_sample != MAP_FAILED) {
nb_samples = (sb.st_size / sizeof(iqrec_t));
int aligned = (((unsigned long)ms_sample & 31) == 0)? 1:0;
std::cerr<< "Loaded "<< nb_samples << " subframes." << std::endl;
if (aligned == 0) {
std::cerr<< "mmap address is not 32 bytes aligned, exiting." << std::endl;
close(mmapfd);
exit(-1);
}
} else {
std::cerr << "Cannot mmap file, exiting." << std::endl;
close(mmapfd);
exit(-1);
}
} else {
std::cerr << "Cannot open " << u_sf_filename << " , exiting." << std::endl;
exit(-1);
}
} else {
iqfd = open(u_sf_filename, O_RDONLY | O_LARGEFILE);
if (iqfd != 0) {
fstat(iqfd, &sb);
nb_samples = (sb.st_size / sizeof(iqrec_t));
std::cerr << "Loading " << nb_samples << " subframes from " << u_sf_filename
<< " size=" << (uint64_t)sb.st_size << " bytes ..." << std::endl;
// allocate buffer for 1 sample at a time
ms_sample = (iqrec_t*) malloc(sizeof(iqrec_t));
if (ms_sample == NULL) {
std::cerr<< "Memory allocation failed for individual subframe replay mode." << std::endl;
close(iqfd);
exit(-1);
}
memset(ms_sample, 0, sizeof(iqrec_t));
// point at beginning of file
if (lseek(iqfd, 0, SEEK_SET) == 0) {
std::cerr << "Initial seek at beginning of the file" << std::endl;
} else {
std::cerr << "Problem initial seek at beginning of the file" << std::endl;
}
} else {
std::cerr << "Cannot open " << u_sf_filename << " , exiting." << std::endl;
exit(-1);
}
}
memset(ms_sample, 0, u_sf_max * BELL_LABS_IQ_BYTES_PER_SF);
}
if (u_sf_mode == 2) {
if (use_mmap) {
// use mmap
mmapfd = open(u_sf_filename, O_RDONLY | O_LARGEFILE);
if (mmapfd != 0) {
fstat(mmapfd, &sb);
std::cerr << "Loading subframes using mmap() from " << u_sf_filename << " size=" << (uint64_t)sb.st_size << " bytes ..." << std::endl;
ms_sample = (iqrec_t *) mmap(NULL, sb.st_size, PROT_WRITE, MAP_PRIVATE, mmapfd, 0);
if (ms_sample != MAP_FAILED) {
nb_samples = (sb.st_size / sizeof(iqrec_t));
int aligned = (((unsigned long)ms_sample & 31) == 0)? 1:0;
std::cerr<< "Loaded "<< nb_samples << " subframes." << std::endl;
if (aligned == 0) {
std::cerr<< "mmap address is not 32 bytes aligned, exiting." << std::endl;
close(mmapfd);
exit(-1);
}
} else {
std::cerr << "Cannot mmap file, exiting." << std::endl;
close(mmapfd);
exit(-1);
}
} else {
std::cerr << "Cannot open " << u_sf_filename << " , exiting." << std::endl;
exit(-1);
}
} else {
iqfd = open(u_sf_filename, O_RDONLY | O_LARGEFILE);
if (iqfd != 0) {
fstat(iqfd, &sb);
nb_samples = (sb.st_size / sizeof(iqrec_t));
std::cerr << "Loading " << nb_samples << " subframes from " << u_sf_filename
<< " size=" << (uint64_t)sb.st_size << " bytes ..." << std::endl;
// allocate buffer for 1 sample at a time
ms_sample = (iqrec_t *) malloc(sizeof(iqrec_t));
if (ms_sample == NULL) {
std::cerr<< "Memory allocation failed for individual subframe replay mode." << std::endl;
close(iqfd);
exit(-1);
}
memset(ms_sample, 0, sizeof(iqrec_t));
// point at beginning of file
if (lseek(iqfd, 0, SEEK_SET) == 0) {
std::cerr << "Initial seek at beginning of the file" << std::endl;
} else {
std::cerr << "Problem initial seek at beginning of the file" << std::endl;
}
} else {
std::cerr << "Cannot open " << u_sf_filename << " , exiting." << std::endl;
exit(-1);
}
}
#endif
return 0;
}
#endif
return 0;
}
}
/*@}*/
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