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-rw-r--r--host/lib/usrp/e300/e300_impl.cpp13
-rw-r--r--host/lib/usrp/e300/e300_ublox_control_impl.cpp5
2 files changed, 7 insertions, 11 deletions
diff --git a/host/lib/usrp/e300/e300_impl.cpp b/host/lib/usrp/e300/e300_impl.cpp
index 735f109b4..b35bbab4e 100644
--- a/host/lib/usrp/e300/e300_impl.cpp
+++ b/host/lib/usrp/e300/e300_impl.cpp
@@ -575,16 +575,9 @@ e300_impl::e300_impl(const uhd::device_addr_t &device_addr)
_tree->access<subdev_spec_t>(mb_path / "rx_subdev_spec").set(rx_spec);
_tree->access<subdev_spec_t>(mb_path / "tx_subdev_spec").set(tx_spec);
- // gps installed: use time and init time spec
- if (_sensor_manager->get_sensor("gps_locked").to_bool()) {
- _tree->access<std::string>(mb_path / "time_source" / "value").set("gpsdo");
- UHD_MSG(status) << "Initializing time to the internal GPSDO" << std::endl;
- const time_t tp = time_t(_sensor_manager->get_sensor("gps_time").to_int()+1);
- _tree->access<time_spec_t>(mb_path / "time" / "pps").set(time_spec_t(tp));
- } else {
- //init to internal time source
- _tree->access<std::string>(mb_path / "time_source/value").set("internal");
- }
+ UHD_MSG(status) << "Initializing time to the internal GPSDO" << std::endl;
+ const time_t tp = time_t(_sensor_manager->get_sensor("gps_time").to_int()+1);
+ _tree->access<time_spec_t>(mb_path / "time" / "pps").set(time_spec_t(tp));
}
boost::uint8_t e300_impl::_get_internal_gpio(
diff --git a/host/lib/usrp/e300/e300_ublox_control_impl.cpp b/host/lib/usrp/e300/e300_ublox_control_impl.cpp
index 0b8a2048d..389bf79fa 100644
--- a/host/lib/usrp/e300/e300_ublox_control_impl.cpp
+++ b/host/lib/usrp/e300/e300_ublox_control_impl.cpp
@@ -65,7 +65,10 @@ std::vector<std::string> control_impl::get_sensors(void)
uhd::sensor_value_t control_impl::get_sensor(std::string key)
{
if (key == "gps_time") {
- return sensor_value_t("GPS epoch time", int(_get_epoch_time()), "seconds");
+ bool lock;
+ _locked.wait_and_see(lock);
+ return sensor_value_t("GPS epoch time",
+ lock ? int(_get_epoch_time()) : 0, "seconds");
} else if (key == "gps_locked") {
bool lock;
_locked.wait_and_see(lock);