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//
// 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/usrp/misc_utils.hpp>
#include <uhd/utils/assert.hpp>
#include <uhd/utils/gain_group.hpp>
#include <uhd/usrp/dboard_id.hpp>
#include <uhd/usrp/subdev_props.hpp>
#include <uhd/usrp/mboard_props.hpp>
#include <uhd/usrp/dboard_props.hpp>
#include <uhd/usrp/codec_props.hpp>
#include <boost/bind.hpp>
#include <boost/foreach.hpp>
using namespace uhd;
using namespace uhd::usrp;
/***********************************************************************
* codec gain group helper functions:
* do this so we dont have to bind a templated function
**********************************************************************/
static gain_range_t get_codec_gain_range(wax::obj codec, const std::string &name){
return codec[named_prop_t(CODEC_PROP_GAIN_RANGE, name)].as<gain_range_t>();
}
static float get_codec_gain_i(wax::obj codec, const std::string &name){
return codec[named_prop_t(CODEC_PROP_GAIN_I, name)].as<float>();
}
static float get_codec_gain_q(wax::obj codec, const std::string &name){
return codec[named_prop_t(CODEC_PROP_GAIN_Q, name)].as<float>();
}
static void set_codec_gain_both(wax::obj codec, const std::string &name, float gain){
codec[named_prop_t(CODEC_PROP_GAIN_I, name)] = gain;
codec[named_prop_t(CODEC_PROP_GAIN_Q, name)] = gain;
}
static void set_codec_gain_i(wax::obj codec, const std::string &name, float gain){
codec[named_prop_t(CODEC_PROP_GAIN_I, name)] = gain;
}
static void set_codec_gain_q(wax::obj codec, const std::string &name, float gain){
codec[named_prop_t(CODEC_PROP_GAIN_Q, name)] = gain;
}
/***********************************************************************
* subdev gain group helper functions:
* do this so we dont have to bind a templated function
**********************************************************************/
static float get_subdev_gain(wax::obj subdev, const std::string &name){
return subdev[named_prop_t(SUBDEV_PROP_GAIN, name)].as<float>();
}
static gain_range_t get_subdev_gain_range(wax::obj subdev, const std::string &name){
return subdev[named_prop_t(SUBDEV_PROP_GAIN_RANGE, name)].as<gain_range_t>();
}
static void set_subdev_gain(wax::obj subdev, const std::string &name, float gain){
subdev[named_prop_t(SUBDEV_PROP_GAIN, name)] = gain;
}
/***********************************************************************
* gain group factory function for usrp
**********************************************************************/
gain_group::sptr usrp::make_gain_group(
wax::obj subdev, wax::obj codec,
gain_group_policy_t gain_group_policy
){
const size_t subdev_gain_priority = 1;
const size_t codec_gain_priority = (gain_group_policy == GAIN_GROUP_POLICY_RX)?
(subdev_gain_priority - 1): //RX policy, codec gains fill last (lower priority)
(subdev_gain_priority + 1); //TX policy, codec gains fill first (higher priority)
gain_group::sptr gg = gain_group::make();
gain_fcns_t fcns;
//add all the subdev gains first (antenna to dsp order)
BOOST_FOREACH(const std::string &name, subdev[SUBDEV_PROP_GAIN_NAMES].as<prop_names_t>()){
fcns.get_range = boost::bind(&get_subdev_gain_range, subdev, name);
fcns.get_value = boost::bind(&get_subdev_gain, subdev, name);
fcns.set_value = boost::bind(&set_subdev_gain, subdev, name, _1);
gg->register_fcns(fcns, subdev_gain_priority);
}
//add all the codec gains last (antenna to dsp order)
BOOST_FOREACH(const std::string &name, codec[CODEC_PROP_GAIN_NAMES].as<prop_names_t>()){
fcns.get_range = boost::bind(&get_codec_gain_range, codec, name);
//register the value functions depending upon the connection type
switch(subdev[SUBDEV_PROP_CONNECTION].as<subdev_conn_t>()){
case SUBDEV_CONN_COMPLEX_IQ:
case SUBDEV_CONN_COMPLEX_QI:
fcns.get_value = boost::bind(&get_codec_gain_i, codec, name); //same as Q
fcns.set_value = boost::bind(&set_codec_gain_both, codec, name, _1); //sets both
break;
case SUBDEV_CONN_REAL_I:
fcns.get_value = boost::bind(&get_codec_gain_i, codec, name);
fcns.set_value = boost::bind(&set_codec_gain_i, codec, name, _1);
break;
case SUBDEV_CONN_REAL_Q:
fcns.get_value = boost::bind(&get_codec_gain_q, codec, name);
fcns.set_value = boost::bind(&set_codec_gain_q, codec, name, _1);
break;
}
gg->register_fcns(fcns, codec_gain_priority);
}
return gg;
}
/***********************************************************************
* verify subdev specs
**********************************************************************/
static void verify_xx_subdev_spec(
mboard_prop_t dboard_names_prop,
mboard_prop_t dboard_prop,
subdev_spec_t &subdev_spec,
wax::obj mboard,
std::string xx_type
){
prop_names_t dboard_names = mboard[dboard_names_prop].as<prop_names_t>();
UHD_ASSERT_THROW(dboard_names.size() > 0); //well i hope there is a dboard
//the subdevice specification is empty: handle automatic
if (subdev_spec.empty()){
BOOST_FOREACH(const std::string &db_name, dboard_names){
wax::obj dboard = mboard[named_prop_t(dboard_prop, db_name)];
//if the dboard slot is populated, take the first subdevice
if (dboard[DBOARD_PROP_DBOARD_ID].as<dboard_id_t>() != dboard_id_t::none()){
std::string sd_name = dboard[DBOARD_PROP_SUBDEV_NAMES].as<prop_names_t>().front();
subdev_spec.push_back(subdev_spec_pair_t(db_name, sd_name));
break;
}
}
//didnt find any populated dboards: add the first subdevice
if (subdev_spec.empty()){
std::string db_name = dboard_names.front();
wax::obj dboard = mboard[named_prop_t(dboard_prop, db_name)];
std::string sd_name = dboard[DBOARD_PROP_SUBDEV_NAMES].as<prop_names_t>().front();
subdev_spec.push_back(subdev_spec_pair_t(db_name, sd_name));
}
}
//sanity check that the dboard/subdevice names exist for this mboard
BOOST_FOREACH(const subdev_spec_pair_t &pair, subdev_spec){
//empty db name means select dboard automatically
if (pair.db_name.empty()){
if (dboard_names.size() != 1) throw std::runtime_error(
"A daughterboard name must be provided for multi-slot boards: " + subdev_spec.to_string()
);
pair.db_name == dboard_names.front();
}
uhd::assert_has(dboard_names, pair.db_name, xx_type + " dboard name");
wax::obj dboard = mboard[named_prop_t(dboard_prop, pair.db_name)];
uhd::assert_has(dboard[DBOARD_PROP_SUBDEV_NAMES].as<prop_names_t>(), pair.sd_name, xx_type + " subdev name");
}
}
void usrp::verify_rx_subdev_spec(subdev_spec_t &subdev_spec, wax::obj mboard){
return verify_xx_subdev_spec(
MBOARD_PROP_RX_DBOARD_NAMES,
MBOARD_PROP_RX_DBOARD,
subdev_spec, mboard, "rx"
);
}
void usrp::verify_tx_subdev_spec(subdev_spec_t &subdev_spec, wax::obj mboard){
return verify_xx_subdev_spec(
MBOARD_PROP_TX_DBOARD_NAMES,
MBOARD_PROP_TX_DBOARD,
subdev_spec, mboard, "tx"
);
}
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