diff options
| -rw-r--r-- | host/lib/usrp/multi_usrp.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp index 7c1963f85..0910ad59d 100644 --- a/host/lib/usrp/multi_usrp.cpp +++ b/host/lib/usrp/multi_usrp.cpp @@ -261,7 +261,8 @@ static tune_result_t tune_xx_subdev_and_dsp( * tune_request. This lo_offset is based on the requirements of the FE, and * does not reflect a user-requested lo_offset, which is handled later. */ double lo_offset = 0.0; - if (rf_fe_subtree->access<bool>("use_lo_offset").get()){ + if (rf_fe_subtree->exists("use_lo_offset") and + rf_fe_subtree->access<bool>("use_lo_offset").get()){ // If the frontend has lo_offset value and range properties, trust it // for lo_offset if (rf_fe_subtree->exists("lo_offset/value")) { @@ -1156,7 +1157,11 @@ public: } std::vector<std::string> get_rx_sensor_names(size_t chan){ - return _tree->list(rx_rf_fe_root(chan) / "sensors"); + std::vector<std::string> sensor_names; + if (_tree->exists(rx_rf_fe_root(chan) / "sensors")) { + sensor_names = _tree->list(rx_rf_fe_root(chan) / "sensors"); + } + return sensor_names; } void set_rx_dc_offset(const bool enb, size_t chan){ @@ -1496,7 +1501,11 @@ public: } std::vector<std::string> get_tx_sensor_names(size_t chan){ - return _tree->list(tx_rf_fe_root(chan) / "sensors"); + std::vector<std::string> sensor_names; + if (_tree->exists(rx_rf_fe_root(chan) / "sensors")) { + sensor_names = _tree->list(tx_rf_fe_root(chan) / "sensors"); + } + return sensor_names; } void set_tx_dc_offset(const std::complex<double> &offset, size_t chan){ |