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https://github.com/saymrwulf/uhd.git
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121 lines
3.6 KiB
C++
121 lines
3.6 KiB
C++
//
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// Copyright 2010 Ettus Research LLC
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include <boost/test/unit_test.hpp>
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#include <uhd/utils/gain_handler.hpp>
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#include <uhd/types/ranges.hpp>
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#include <uhd/types/dict.hpp>
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#include <uhd/utils/props.hpp>
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#include <boost/bind.hpp>
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#include <iostream>
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using namespace uhd;
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enum prop_t{
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PROP_GAIN_VALUE,
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PROP_GAIN_RANGE,
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PROP_GAIN_NAMES
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};
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class gainful_obj : public wax::obj{
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public:
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gainful_obj(void){
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//initialize gain props struct
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gain_handler::props_t gain_props;
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gain_props.value = PROP_GAIN_VALUE;
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gain_props.range = PROP_GAIN_RANGE;
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gain_props.names = PROP_GAIN_NAMES;
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//make a new gain handler
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_gain_handler = gain_handler::make(
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this->get_link(), gain_props,
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boost::bind(&gain_handler::is_equal<prop_t>, _1, _2)
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);
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_gain_values["g0"] = 0;
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_gain_values["g1"] = 0;
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_gain_ranges["g0"] = gain_range_t(-10, 0, float(.1));
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_gain_ranges["g1"] = gain_range_t(0, 100, float(1.5));
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}
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~gainful_obj(void){}
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private:
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void get(const wax::obj &key_, wax::obj &val){
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if (_gain_handler->intercept_get(key_, val)) return;
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wax::obj key; std::string name;
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boost::tie(key, name) = extract_named_prop(key_);
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//handle the get request conditioned on the key
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switch(key.as<prop_t>()){
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case PROP_GAIN_VALUE:
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val = _gain_values[name];
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return;
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case PROP_GAIN_RANGE:
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val = _gain_ranges[name];
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return;
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case PROP_GAIN_NAMES:
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val = _gain_values.keys();
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return;
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default: UHD_THROW_PROP_GET_ERROR();
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}
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}
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void set(const wax::obj &key_, const wax::obj &val){
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if (_gain_handler->intercept_set(key_, val)) return;
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wax::obj key; std::string name;
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boost::tie(key, name) = extract_named_prop(key_);
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//handle the get request conditioned on the key
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switch(key.as<prop_t>()){
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case PROP_GAIN_VALUE:
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_gain_values[name] = val.as<float>();
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return;
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default: UHD_THROW_PROP_SET_ERROR();
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}
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}
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gain_handler::sptr _gain_handler;
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uhd::dict<std::string, float> _gain_values;
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uhd::dict<std::string, gain_range_t> _gain_ranges;
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};
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BOOST_AUTO_TEST_CASE(test_gain_handler){
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std::cout << "Testing the gain handler..." << std::endl;
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gainful_obj go0;
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BOOST_CHECK_THROW(
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go0[named_prop_t(PROP_GAIN_VALUE, "fail")].as<float>(),
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std::exception
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);
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std::cout << "verifying the overall min, max, step" << std::endl;
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gain_range_t gain = go0[PROP_GAIN_RANGE].as<gain_range_t>();
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BOOST_CHECK_EQUAL(gain.min, float(-10));
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BOOST_CHECK_EQUAL(gain.max, float(100));
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BOOST_CHECK_EQUAL(gain.step, float(1.5));
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std::cout << "verifying the overall gain" << std::endl;
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go0[named_prop_t(PROP_GAIN_VALUE, "g0")] = float(-5);
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go0[named_prop_t(PROP_GAIN_VALUE, "g1")] = float(30);
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BOOST_CHECK_EQUAL(go0[PROP_GAIN_VALUE].as<float>(), float(25));
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}
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