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-rw-r--r--host/lib/usrp/x300/x300_radio_ctrl_impl.cpp107
-rw-r--r--host/lib/usrp/x300/x300_radio_ctrl_impl.hpp5
2 files changed, 83 insertions, 29 deletions
diff --git a/host/lib/usrp/x300/x300_radio_ctrl_impl.cpp b/host/lib/usrp/x300/x300_radio_ctrl_impl.cpp
index 76971a76e..b61e64800 100644
--- a/host/lib/usrp/x300/x300_radio_ctrl_impl.cpp
+++ b/host/lib/usrp/x300/x300_radio_ctrl_impl.cpp
@@ -29,6 +29,23 @@ using namespace uhd::usrp::x300;
static const size_t IO_MASTER_RADIO = 0;
+namespace {
+
+gain_fcns_t make_gain_fcns_from_subtree(property_tree::sptr subtree)
+{
+ gain_fcns_t gain_fcns;
+ gain_fcns.get_range = [subtree]() {
+ return subtree->access<meta_range_t>("range").get();
+ };
+ gain_fcns.get_value = [subtree]() { return subtree->access<double>("value").get(); };
+ gain_fcns.set_value = [subtree](const double gain) {
+ subtree->access<double>("value").set(gain);
+ };
+ return gain_fcns;
+}
+
+} // namespace
+
/****************************************************************************
* Structors
***************************************************************************/
@@ -325,42 +342,25 @@ double x300_radio_ctrl_impl::get_rx_bandwidth(const size_t chan)
double x300_radio_ctrl_impl::set_tx_gain(const double gain, const size_t chan)
{
- // TODO: This is extremely hacky!
- fs_path path("dboards" / _radio_slot / "tx_frontends" / _tx_fe_map.at(chan).db_fe_name
- / "gains");
- std::vector<std::string> gain_stages = _tree->list(path);
- if (gain_stages.size() == 1) {
- const double actual_gain =
- _tree->access<double>(path / gain_stages[0] / "value").set(gain).get();
- radio_ctrl_impl::set_tx_gain(actual_gain, chan);
- return gain;
- } else {
- UHD_LOGGER_WARNING("X300 RADIO")
- << "set_tx_gain: could not apply gain for this daughterboard.";
- radio_ctrl_impl::set_tx_gain(0.0, chan);
- return 0.0;
+ if (_tx_gain_groups.count(chan)) {
+ auto& gg = _tx_gain_groups.at(chan);
+ gg->set_value(gain);
+ return radio_ctrl_impl::set_tx_gain(gg->get_value(), chan);
}
+ return radio_ctrl_impl::set_tx_gain(0.0, chan);
}
double x300_radio_ctrl_impl::set_rx_gain(const double gain, const size_t chan)
{
- // TODO: This is extremely hacky!
- fs_path path("dboards" / _radio_slot / "rx_frontends" / _rx_fe_map.at(chan).db_fe_name
- / "gains");
- std::vector<std::string> gain_stages = _tree->list(path);
- if (gain_stages.size() == 1) {
- const double actual_gain =
- _tree->access<double>(path / gain_stages[0] / "value").set(gain).get();
- radio_ctrl_impl::set_rx_gain(actual_gain, chan);
- return gain;
- } else {
- UHD_LOGGER_WARNING("X300 RADIO")
- << "set_rx_gain: could not apply gain for this daughterboard.";
- radio_ctrl_impl::set_tx_gain(0.0, chan);
- return 0.0;
- }
+ auto& gg = _rx_gain_groups.at(chan);
+ gg->set_value(gain);
+ return radio_ctrl_impl::set_rx_gain(gg->get_value(), chan);
}
+double x300_radio_ctrl_impl::get_rx_gain(const size_t chan)
+{
+ return _rx_gain_groups.at(chan)->get_value();
+}
std::vector<std::string> x300_radio_ctrl_impl::get_rx_lo_names(const size_t chan)
{
@@ -905,6 +905,55 @@ void x300_radio_ctrl_impl::setup_radio(uhd::i2c_iface::sptr zpu_i2c,
////////////////////////////////////////////////////////////////
const double tick_rate = _tree->access<double>("tick_rate").get();
radio_ctrl_impl::set_rate(tick_rate);
+
+ ////////////////////////////////////////////////////////////////
+ // Set gain groups
+ // Note: The actual gain control comes from the daughterboard drivers, thus,
+ // we need to call into the prop tree at the appropriate location in order
+ // to modify the gains.
+ ////////////////////////////////////////////////////////////////
+ // TX
+ for (size_t chan = 0; chan < _num_tx_channels; chan++) {
+ fs_path rf_gains_path(db_tx_fe_path / _tx_fe_map.at(chan).db_fe_name / "gains");
+ if (!_tree->exists(rf_gains_path)) {
+ continue;
+ }
+
+ std::vector<std::string> gain_stages = _tree->list(rf_gains_path);
+ if (gain_stages.empty()) {
+ continue;
+ }
+
+ // DAC does not have a gain path
+ auto gg = gain_group::make();
+ for (const auto& name : gain_stages) {
+ gg->register_fcns(name,
+ make_gain_fcns_from_subtree(_tree->subtree(rf_gains_path / name)),
+ 1 /* high prio */);
+ }
+ _tx_gain_groups[chan] = gg;
+ }
+ // RX
+ for (size_t chan = 0; chan < _num_rx_channels; chan++) {
+ fs_path rf_gains_path(db_rx_fe_path / _rx_fe_map.at(chan).db_fe_name / "gains");
+ fs_path adc_gains_path("rx_codecs" / _radio_slot / "gains");
+
+ auto gg = gain_group::make();
+ // ADC also has a gain path
+ for (const auto& name : _tree->list(adc_gains_path)) {
+ gg->register_fcns("ADC-" + name,
+ make_gain_fcns_from_subtree(_tree->subtree(adc_gains_path / name)),
+ 0 /* low prio */);
+ }
+ if (_tree->exists(rf_gains_path)) {
+ for (const auto& name : _tree->list(rf_gains_path)) {
+ gg->register_fcns(name,
+ make_gain_fcns_from_subtree(_tree->subtree(rf_gains_path / name)),
+ 1 /* high prio */);
+ }
+ }
+ _rx_gain_groups[chan] = gg;
+ }
}
void x300_radio_ctrl_impl::set_rx_fe_corrections(
diff --git a/host/lib/usrp/x300/x300_radio_ctrl_impl.hpp b/host/lib/usrp/x300/x300_radio_ctrl_impl.hpp
index 7cc0ea18d..63aac876d 100644
--- a/host/lib/usrp/x300/x300_radio_ctrl_impl.hpp
+++ b/host/lib/usrp/x300/x300_radio_ctrl_impl.hpp
@@ -15,10 +15,12 @@
#include <uhd/usrp/dboard_eeprom.hpp>
#include <uhd/usrp/dboard_manager.hpp>
#include <uhd/usrp/gpio_defs.hpp>
+#include <uhd/utils/gain_group.hpp>
#include <uhdlib/rfnoc/radio_ctrl_impl.hpp>
#include <uhdlib/usrp/cores/rx_frontend_core_3000.hpp>
#include <uhdlib/usrp/cores/spi_core_3000.hpp>
#include <uhdlib/usrp/cores/tx_frontend_core_200.hpp>
+#include <unordered_map>
namespace uhd { namespace rfnoc {
@@ -54,6 +56,7 @@ public:
double set_tx_gain(const double gain, const size_t chan);
double set_rx_gain(const double gain, const size_t chan);
+ double get_rx_gain(const size_t chan);
std::vector<std::string> get_rx_lo_names(const size_t chan);
std::vector<std::string> get_rx_lo_sources(
@@ -234,6 +237,8 @@ private: // members
bool _ignore_cal_file;
+ std::unordered_map<size_t, uhd::gain_group::sptr> _tx_gain_groups;
+ std::unordered_map<size_t, uhd::gain_group::sptr> _rx_gain_groups;
}; /* class radio_ctrl_impl */
}} /* namespace uhd::rfnoc */
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-04 09:42:13 +0000