diff options
| -rw-r--r-- | host/include/uhd/usrp/multi_usrp.hpp | 10 | ||||
| -rw-r--r-- | host/lib/usrp/multi_usrp.cpp | 36 |
2 files changed, 46 insertions, 0 deletions
diff --git a/host/include/uhd/usrp/multi_usrp.hpp b/host/include/uhd/usrp/multi_usrp.hpp index 8357b9ffb..e8fcdb4b6 100644 --- a/host/include/uhd/usrp/multi_usrp.hpp +++ b/host/include/uhd/usrp/multi_usrp.hpp @@ -514,6 +514,16 @@ public: virtual void set_normalized_rx_gain(double gain, size_t chan = 0) = 0; /*! + * Enable or disable the RX AGC module. + * Once this module is enabled manual gain settings will be ignored. + * The AGC will start in a default configuration which should be good for most use cases. + * Device specific configuration parameters can be found in the property tree. + * \param on Enable or Disable the AGC + * \param chan the channel index 0 to N-1 + */ + virtual void set_rx_agc(bool enable, size_t chan = 0) = 0; + + /*! * Get the RX gain value for the specified gain element. * For an empty name, sum across all gain elements. * \param name the name of the gain element diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp index e7d39b244..bc6e121d0 100644 --- a/host/lib/usrp/multi_usrp.cpp +++ b/host/lib/usrp/multi_usrp.cpp @@ -824,6 +824,26 @@ public: } void set_rx_gain(double gain, const std::string &name, size_t chan){ + /* Check if any AGC mode is enable and if so warn the user */ + if (chan != ALL_CHANS) { + if (_tree->exists(rx_rf_fe_root(chan) / "gain" / "agc")) { + bool agc = _tree->access<bool>(rx_rf_fe_root(chan) / "gain" / "agc" / "enable").get(); + if(agc) { + UHD_MSG(warning) << "AGC enabled for this channel. Setting will be ignored." << std::endl; + } + } + } else { + for (size_t c = 0; c < get_rx_num_channels(); c++){ + if (_tree->exists(rx_rf_fe_root(c) / "gain" / "agc")) { + bool agc = _tree->access<bool>(rx_rf_fe_root(chan) / "gain" / "agc" / "enable").get(); + if(agc) { + UHD_MSG(warning) << "AGC enabled for this channel. Setting will be ignored." << std::endl; + } + } + } + } + /* Apply gain setting. + * If device is in AGC mode it will ignore the setting. */ try { return rx_gain_group(chan)->set_value(gain, name); } catch (uhd::key_error &e) { @@ -841,6 +861,22 @@ public: set_rx_gain(abs_gain, ALL_GAINS, chan); } + void set_rx_agc(bool enable, size_t chan = 0) + { + if (chan != ALL_CHANS){ + if (_tree->exists(rx_rf_fe_root(chan) / "gain" / "agc" / "enable")) { + _tree->access<bool>(rx_rf_fe_root(chan) / "gain" / "agc" / "enable").set(enable); + } else { + UHD_MSG(warning) << "AGC is not available on this device." << std::endl; + } + return; + } + for (size_t c = 0; c < get_rx_num_channels(); c++){ + this->set_rx_agc(enable, c); + } + + } + double get_rx_gain(const std::string &name, size_t chan){ try { return rx_gain_group(chan)->get_value(name); |