xcvr work, skeleton layout

1 files changed, 331 insertions, 0 deletions

diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
new file mode 100644
index 000000000..7242fd96c
--- /dev/null
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -0,0 +1,331 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include <uhd/utils/static.hpp>
+#include <uhd/utils/assert.hpp>
+#include <uhd/utils/algorithm.hpp>
+#include <uhd/types/ranges.hpp>
+#include <uhd/types/dict.hpp>
+#include <uhd/usrp/subdev_props.hpp>
+#include <uhd/usrp/dboard_base.hpp>
+#include <uhd/usrp/dboard_manager.hpp>
+#include <boost/assign/list_of.hpp>
+#include <boost/format.hpp>
+#include <boost/math/special_functions/round.hpp>
+#include <utility>
+
+using namespace uhd;
+using namespace uhd::usrp;
+using namespace boost::assign;
+
+/***********************************************************************
+ * The XCVR 2450 dboard
+ **********************************************************************/
+static const freq_range_t xcvr_freq_range(2.4e9, 6.0e9);
+
+class xcvr2450 : public xcvr_dboard_base{
+public:
+    xcvr2450(ctor_args_t const& args);
+    ~xcvr2450(void);
+
+    void rx_get(const wax::obj &key, wax::obj &val);
+    void rx_set(const wax::obj &key, const wax::obj &val);
+
+    void tx_get(const wax::obj &key, wax::obj &val);
+    void tx_set(const wax::obj &key, const wax::obj &val);
+
+private:
+    double _lo_freq;
+    uhd::dict<std::string, float> _tx_gains, _rx_gains;
+    std::string _tx_ant, _rx_ant;
+
+    void set_lo_freq(double target_freq){}
+    void set_tx_ant(const std::string &ant){}
+    void set_rx_ant(const std::string &ant){}
+    void set_tx_gain(float gain, const std::string &name){}
+    void set_rx_gain(float gain, const std::string &name){}
+};
+
+/***********************************************************************
+ * Register the XCVR dboard
+ **********************************************************************/
+static dboard_base::sptr make_xcvr2450(dboard_base::ctor_args_t const& args){
+    return dboard_base::sptr(new xcvr2450(args));
+}
+
+UHD_STATIC_BLOCK(reg_xcvr2450_dboard){
+    //register the factory function for the rx and tx dbids
+    dboard_manager::register_dboard(0x0060, &make_xcvr2450, "XCVR2450 TX");
+    dboard_manager::register_dboard(0x0061, &make_xcvr2450, "XCVR2450 RX");
+}
+
+/***********************************************************************
+ * Structors
+ **********************************************************************/
+xcvr2450::xcvr2450(ctor_args_t const& args) : xcvr_dboard_base(args){
+    /* NOP */
+}
+
+xcvr2450::~xcvr2450(void){
+    /* NOP */
+}
+
+/***********************************************************************
+ * Antenna Handling
+ **********************************************************************/
+static const prop_names_t xcvr_antennas = list_of("J1")("J2");
+
+/***********************************************************************
+ * Gain Handling
+ **********************************************************************/
+static const uhd::dict<std::string, gain_range_t> xcvr_tx_gain_ranges = map_list_of
+    ("VGA", gain_range_t(0, 30, 0.5))
+;
+static const uhd::dict<std::string, gain_range_t> xcvr_rx_gain_ranges = map_list_of
+    ("RF LNA", gain_range_t(0, 30.5, 15))
+    ("BB VGA", gain_range_t(0, 62, 2.0))
+;
+
+/*!
+ * Convert a requested gain for the tx vga into the integer register value.
+ * The gain passed into the function will be set to the actual value.
+ * \param gain the requested gain in dB
+ * \return 6 bit the register value
+ */
+static int gain_to_tx_vga_reg(float &gain){
+    //calculate the register value
+    int reg = std::clip(boost::math::iround(gain*60/30.0) + 3, 0, 63);
+
+    //calculate the actual gain value
+    if (reg < 4)       gain = 0;
+    else if (reg < 48) gain = reg/2 - 1;
+    else               gain = reg/2.0 - 1.5;
+
+    //return register value
+    return reg;
+}
+
+/*!
+ * Convert a requested gain for the rx vga into the integer register value.
+ * The gain passed into the function will be set to the actual value.
+ * \param gain the requested gain in dB
+ * \return 5 bit the register value
+ */
+static int gain_to_rx_bb_vga_reg(float &gain){
+    int reg = std::clip(boost::math::iround(gain/2.0), 0, 31);
+    gain = reg*2;
+    return reg;
+}
+
+/*!
+ * Convert a requested gain for the rx lna into the integer register value.
+ * The gain passed into the function will be set to the actual value.
+ * \param gain the requested gain in dB
+ * \return 2 bit the register value
+ */
+static int gain_to_rx_rf_lna_reg(float &gain){
+    int reg = std::clip(boost::math::iround(gain*2/30.5) + 1, 0, 3);
+    switch(reg){
+    case 0:
+    case 1: gain = 0;    break;
+    case 2: gain = 15;   break;
+    case 3: gain = 30.5; break;
+    }
+    return reg;
+}
+
+/***********************************************************************
+ * RX Get and Set
+ **********************************************************************/
+void xcvr2450::rx_get(const wax::obj &key_, wax::obj &val){
+    wax::obj key; std::string name;
+    boost::tie(key, name) = extract_named_prop(key_);
+
+    //handle the get request conditioned on the key
+    switch(key.as<subdev_prop_t>()){
+    case SUBDEV_PROP_NAME:
+        val = dboard_id::to_string(get_rx_id());
+        return;
+
+    case SUBDEV_PROP_OTHERS:
+        val = prop_names_t(); //empty
+        return;
+
+    case SUBDEV_PROP_GAIN:
+        assert_has(_rx_gains.keys(), name, "xcvr rx gain name");
+        val = _rx_gains[name];
+        return;
+
+    case SUBDEV_PROP_GAIN_RANGE:
+        assert_has(xcvr_rx_gain_ranges.keys(), name, "xcvr rx gain name");
+        val = xcvr_rx_gain_ranges[name];
+        return;
+
+    case SUBDEV_PROP_GAIN_NAMES:
+        val = prop_names_t(xcvr_rx_gain_ranges.keys());
+        return;
+
+    case SUBDEV_PROP_FREQ:
+        val = _lo_freq;
+        return;
+
+    case SUBDEV_PROP_FREQ_RANGE:
+        val = xcvr_freq_range;
+        return;
+
+    case SUBDEV_PROP_ANTENNA:
+        val = _rx_ant;
+        return;
+
+    case SUBDEV_PROP_ANTENNA_NAMES:
+        val = xcvr_antennas;
+        return;
+
+    case SUBDEV_PROP_QUADRATURE:
+        val = true;
+        return;
+
+    case SUBDEV_PROP_IQ_SWAPPED:
+        val = false;
+        return;
+
+    case SUBDEV_PROP_SPECTRUM_INVERTED:
+        val = false;
+        return;
+
+    case SUBDEV_PROP_USE_LO_OFFSET:
+        val = false;
+        return;
+    }
+}
+
+void xcvr2450::rx_set(const wax::obj &key_, const wax::obj &val){
+    wax::obj key; std::string name;
+    boost::tie(key, name) = extract_named_prop(key_);
+
+    //handle the get request conditioned on the key
+    switch(key.as<subdev_prop_t>()){
+
+    case SUBDEV_PROP_FREQ:
+        this->set_lo_freq(val.as<double>());
+        return;
+
+    case SUBDEV_PROP_GAIN:
+        this->set_rx_gain(val.as<float>(), name);
+        return;
+
+    case SUBDEV_PROP_ANTENNA:
+        this->set_rx_ant(val.as<std::string>());
+        return;
+
+    default:
+        throw std::runtime_error(str(boost::format(
+            "Error: trying to set read-only property on %s subdev"
+        ) % dboard_id::to_string(get_rx_id())));
+    }
+}
+
+/***********************************************************************
+ * TX Get and Set
+ **********************************************************************/
+void xcvr2450::tx_get(const wax::obj &key_, wax::obj &val){
+    wax::obj key; std::string name;
+    boost::tie(key, name) = extract_named_prop(key_);
+
+    //handle the get request conditioned on the key
+    switch(key.as<subdev_prop_t>()){
+    case SUBDEV_PROP_NAME:
+        val = dboard_id::to_string(get_tx_id());
+        return;
+
+    case SUBDEV_PROP_OTHERS:
+        val = prop_names_t(); //empty
+        return;
+
+    case SUBDEV_PROP_GAIN:
+        assert_has(_tx_gains.keys(), name, "xcvr tx gain name");
+        val = _tx_gains[name];
+        return;
+
+    case SUBDEV_PROP_GAIN_RANGE:
+        assert_has(xcvr_tx_gain_ranges.keys(), name, "xcvr tx gain name");
+        val = xcvr_tx_gain_ranges[name];
+        return;
+
+    case SUBDEV_PROP_GAIN_NAMES:
+        val = prop_names_t(xcvr_tx_gain_ranges.keys());
+        return;
+
+    case SUBDEV_PROP_FREQ:
+        val = _lo_freq;
+        return;
+
+    case SUBDEV_PROP_FREQ_RANGE:
+        val = xcvr_freq_range;
+        return;
+
+    case SUBDEV_PROP_ANTENNA:
+        val = _tx_ant;
+        return;
+
+    case SUBDEV_PROP_ANTENNA_NAMES:
+        val = xcvr_antennas;
+        return;
+
+    case SUBDEV_PROP_QUADRATURE:
+        val = true;
+        return;
+
+    case SUBDEV_PROP_IQ_SWAPPED:
+        val = true;
+        return;
+
+    case SUBDEV_PROP_SPECTRUM_INVERTED:
+        val = false;
+        return;
+
+    case SUBDEV_PROP_USE_LO_OFFSET:
+        val = false;
+        return;
+    }
+}
+
+void xcvr2450::tx_set(const wax::obj &key_, const wax::obj &val){
+    wax::obj key; std::string name;
+    boost::tie(key, name) = extract_named_prop(key_);
+
+    //handle the get request conditioned on the key
+    switch(key.as<subdev_prop_t>()){
+
+    case SUBDEV_PROP_FREQ:
+        set_lo_freq(val.as<double>());
+        return;
+
+    case SUBDEV_PROP_GAIN:
+        this->set_tx_gain(val.as<float>(), name);
+        return;
+
+    case SUBDEV_PROP_ANTENNA:
+        this->set_tx_ant(val.as<std::string>());
+        return;
+
+    default:
+        throw std::runtime_error(str(boost::format(
+            "Error: trying to set read-only property on %s subdev"
+        ) % dboard_id::to_string(get_tx_id())));
+    }
+}