static void apply_fe_corrections(
uhd::property_tree::sptr sub_tree,
const uhd::fs_path &db_path,
const uhd::fs_path &fe_path,
const std::string &file_prefix,
const double lo_freq
){
//extract eeprom serial
const uhd::usrp::dboard_eeprom_t db_eeprom = sub_tree->access<uhd::usrp::dboard_eeprom_t>(db_path).get();
//make the calibration file path
const fs::path cal_data_path = fs::path(uhd::get_app_path()) / ".uhd" / "cal" / (file_prefix + db_eeprom.serial + ".csv");
UHD_MSG(status) << "Looking for FE correction at: " << cal_data_path.c_str() << "... ";
if (not fs::exists(cal_data_path)) {
UHD_MSG(status) << "Not found" << std::endl;
return;
}
UHD_MSG(status) << "Found, loading... ";
//parse csv file or get from cache
if (not fe_cal_cache.has_key(cal_data_path.string())){
std::ifstream cal_data(cal_data_path.string().c_str());
const uhd::csv::rows_type rows = uhd::csv::to_rows(cal_data);
bool read_data = false, skip_next = false;;
std::vector<fe_cal_t> datas;
BOOST_FOREACH(const uhd::csv::row_type &row, rows){
if (not read_data and not row.empty() and row[0] == "DATA STARTS HERE"){
read_data = true;
skip_next = true;
continue;
}
if (not read_data) continue;
if (skip_next){
skip_next = false;
continue;
}
fe_cal_t data;
std::sscanf(row[0].c_str(), "%lf" , &data.lo_freq);
std::sscanf(row[1].c_str(), "%lf" , &data.iq_corr_real);
std::sscanf(row[2].c_str(), "%lf" , &data.iq_corr_imag);
datas.push_back(data);
}
std::sort(datas.begin(), datas.end(), fe_cal_comp);
fe_cal_cache[cal_data_path.string()] = datas;
UHD_MSG(status) << "Loaded" << std::endl;
} else {
/***********************************************************************
* Store data to file
**********************************************************************/
static void store_results(
shd::smini::multi_smini::sptr smini,
const std::vector<result_t> &results,
const std::string &XX,
const std::string &xx,
const std::string &what
){
//extract eeprom serial
shd::property_tree::sptr tree = smini->get_device()->get_tree();
const shd::fs_path db_path = "/mboards/0/dboards/A/" + xx + "_eeprom";
const shd::smini::dboard_eeprom_t db_eeprom = tree->access<shd::smini::dboard_eeprom_t>(db_path).get();
if (db_eeprom.serial.empty()) throw std::runtime_error(XX + " dboard has empty serial!");
//make the calibration file path
fs::path cal_data_path = fs::path(shd::get_app_path()) / ".shd";
fs::create_directory(cal_data_path);
cal_data_path = cal_data_path / "cal";
fs::create_directory(cal_data_path);
cal_data_path = cal_data_path / str(boost::format("%s_%s_cal_v0.2_%s.csv") % xx % what % db_eeprom.serial);
if (fs::exists(cal_data_path)){
fs::rename(cal_data_path, cal_data_path.string() + str(boost::format(".%d") % time(NULL)));
}
//fill the calibration file
std::ofstream cal_data(cal_data_path.string().c_str());
cal_data << boost::format("name, %s Frontend Calibration\n") % XX;
cal_data << boost::format("serial, %s\n") % db_eeprom.serial;
cal_data << boost::format("timestamp, %d\n") % time(NULL);
cal_data << boost::format("version, 0, 1\n");
cal_data << boost::format("DATA STARTS HERE\n");
cal_data << "lo_frequency, correction_real, correction_imag, measured, delta\n";
for (size_t i = 0; i < results.size(); i++){
cal_data
<< results[i].freq << ", "
<< results[i].real_corr << ", "
<< results[i].imag_corr << ", "
<< results[i].best << ", "
<< results[i].delta << "\n"
;
}
std::cout << "wrote cal data to " << cal_data_path << std::endl;
}
/***********************************************************************
* Store data to file
**********************************************************************/
static void store_results(
const std::vector<result_t> &results,
const std::string &XX, // "TX" or "RX"
const std::string &xx, // "tx" or "rx"
const std::string &what, // Type of test, e.g. "iq",
const std::string &serial)
{
//make the calibration file path
fs::path cal_data_path = fs::path(uhd::get_app_path()) / ".uhd";
fs::create_directory(cal_data_path);
cal_data_path = cal_data_path / "cal";
fs::create_directory(cal_data_path);
cal_data_path = cal_data_path / str(boost::format("%s_%s_cal_v0.2_%s.csv") % xx % what % serial);
if (fs::exists(cal_data_path))
fs::rename(cal_data_path, cal_data_path.string() + str(boost::format(".%d") % time(NULL)));
//fill the calibration file
std::ofstream cal_data(cal_data_path.string().c_str());
cal_data << boost::format("name, %s Frontend Calibration\n") % XX;
cal_data << boost::format("serial, %s\n") % serial;
cal_data << boost::format("timestamp, %d\n") % time(NULL);
cal_data << boost::format("version, 0, 1\n");
cal_data << boost::format("DATA STARTS HERE\n");
cal_data << "lo_frequency, correction_real, correction_imag, measured, delta\n";
for (size_t i = 0; i < results.size(); i++)
{
cal_data
<< results[i].freq << ", "
<< results[i].real_corr << ", "
<< results[i].imag_corr << ", "
<< results[i].best << ", "
<< results[i].delta << "\n"
;
}
std::cout << "wrote cal data to " << cal_data_path << std::endl;
}
