uhd::sensor_value_t get_sensor(std::string key)
{
if (key == "gps_locked") {
return sensor_value_t(
"GPS lock status", _gps_locked(), "locked", "unlocked");
} else if (key == "gps_time") {
return sensor_value_t(
"GPS epoch time", int(_epoch_time()), "seconds");
} else if (key == "gps_gpgga") {
return sensor_value_t(
"GPGGA", _gps_gpgga(), "");
} else if (key == "gps_gprmc") {
return sensor_value_t(
"GPRMC", _gps_gprmc(), "");
} else if (key == "gps_position") {
return sensor_value_t(
"GPS Position", str(
boost::format("%s %s %s")
% _gps_position()["lat"]
% _gps_position()["lon"]
% _gps_position()["alt"]), "lat/lon/alt");
} else
throw uhd::key_error(
str(boost::format("sensor %s unknown.") % key));
}
uhd::sensor_value_t get_ref_locked()
{
bool locked = false;
if (_clock_source == "external" || _clock_source == "gpsdo") {
locked = (_core_status_reg.read(fpga::core_status_reg_t::REF_LOCKED) == 1);
} else {
//If the source is internal, the charge pump on the ADF4001 is tristated which
//means that the 40MHz VCTXXO is free running i.e. always "locked"
locked = true;
}
return sensor_value_t("Ref", locked, "locked", "unlocked");
}
