mirror of
https://github.com/saymrwulf/uhd.git
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128 lines
3.7 KiB
C++
128 lines
3.7 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/gain_handler.hpp>
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#include <uhd/dict.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,
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PROP_GAIN_MIN,
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PROP_GAIN_MAX,
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PROP_GAIN_STEP,
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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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_gain_handler = gain_handler::sptr(new gain_handler(
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this, PROP_GAIN, PROP_GAIN_MIN, PROP_GAIN_MAX, PROP_GAIN_STEP, PROP_GAIN_NAMES
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));
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_gains["g0"] = 0;
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_gains["g1"] = 0;
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_gains_min["g0"] = -10;
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_gains_min["g1"] = 0;
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_gains_max["g0"] = 0;
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_gains_max["g1"] = 100;
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_gains_step["g0"] = .1;
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_gains_step["g1"] = 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(wax::cast<prop_t>(key)){
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case PROP_GAIN:
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val = _gains[name];
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return;
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case PROP_GAIN_MIN:
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val = _gains_min[name];
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return;
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case PROP_GAIN_MAX:
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val = _gains_max[name];
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return;
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case PROP_GAIN_STEP:
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val = _gains_step[name];
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return;
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case PROP_GAIN_NAMES:
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val = prop_names_t(_gains.get_keys());
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return;
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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(wax::cast<prop_t>(key)){
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case PROP_GAIN:
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_gains[name] = wax::cast<gain_t>(val);
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return;
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case PROP_GAIN_MIN:
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case PROP_GAIN_MAX:
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case PROP_GAIN_STEP:
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case PROP_GAIN_NAMES:
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throw std::runtime_error("cannot set this property");
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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, gain_t> _gains;
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uhd::dict<std::string, gain_t> _gains_min;
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uhd::dict<std::string, gain_t> _gains_max;
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uhd::dict<std::string, gain_t> _gains_step;
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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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wax::cast<gain_t>(go0[named_prop_t(PROP_GAIN, "fail")]),
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std::invalid_argument
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);
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std::cout << "verifying the overall min, max, step" << std::endl;
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BOOST_CHECK_EQUAL(wax::cast<gain_t>(go0[PROP_GAIN_MIN]), gain_t(-10));
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BOOST_CHECK_EQUAL(wax::cast<gain_t>(go0[PROP_GAIN_MAX]), gain_t(100));
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BOOST_CHECK_EQUAL(wax::cast<gain_t>(go0[PROP_GAIN_STEP]), gain_t(1.5));
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std::cout << "verifying the overall gain" << std::endl;
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go0[named_prop_t(PROP_GAIN, "g0")] = gain_t(-5);
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go0[named_prop_t(PROP_GAIN, "g1")] = gain_t(30);
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BOOST_CHECK_EQUAL(wax::cast<gain_t>(go0[PROP_GAIN]), gain_t(25));
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}
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