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Diffstat (limited to 'host/lib/gain_handler.cpp')
| -rw-r--r-- | host/lib/gain_handler.cpp | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/host/lib/gain_handler.cpp b/host/lib/gain_handler.cpp deleted file mode 100644 index 36e2e8ed3..000000000 --- a/host/lib/gain_handler.cpp +++ /dev/null @@ -1,177 +0,0 @@ -// -// 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/gain_handler.hpp> -#include <uhd/utils/assert.hpp> -#include <uhd/types/ranges.hpp> -#include <uhd/utils/props.hpp> -#include <boost/assign/list_of.hpp> -#include <boost/foreach.hpp> -#include <boost/format.hpp> -#include <cmath> -#include <vector> - -using namespace uhd; - -/*********************************************************************** - * gain handler implementation interface - **********************************************************************/ -class gain_handler_impl : public gain_handler{ -public: - gain_handler_impl( - const wax::obj &link, - const props_t &props, - is_equal_t is_equal - ); - ~gain_handler_impl(void); - bool intercept_get(const wax::obj &key, wax::obj &val); - bool intercept_set(const wax::obj &key, const wax::obj &val); - -private: - wax::obj _link; - props_t _props; - is_equal_t _is_equal; - - prop_names_t get_gain_names(void); - float get_overall_gain_val(void); - gain_range_t get_overall_gain_range(void); - template <class T> T get_named_prop(const wax::obj &prop, const std::string &name){ - return _link[named_prop_t(prop, name)].as<T>(); - } -}; - -/*********************************************************************** - * the make function - **********************************************************************/ -gain_handler::sptr gain_handler::make( - const wax::obj &link, - const props_t &props, - is_equal_t is_equal -){ - return sptr(new gain_handler_impl(link, props, is_equal)); -} - -/*********************************************************************** - * gain handler implementation methods - **********************************************************************/ -gain_handler::props_t::props_t(void){ - /* NOP */ -} - -gain_handler_impl::gain_handler_impl( - const wax::obj &link, - const props_t &props, - is_equal_t is_equal -){ - _link = link; - _props = props; - _is_equal = is_equal; -} - -gain_handler_impl::~gain_handler_impl(void){ - /* NOP */ -} - -prop_names_t gain_handler_impl::get_gain_names(void){ - return _link[_props.names].as<prop_names_t>(); -} - -float gain_handler_impl::get_overall_gain_val(void){ - float gain_val = 0; - BOOST_FOREACH(std::string name, get_gain_names()){ - gain_val += get_named_prop<float>(_props.value, name); - } - return gain_val; -} - -gain_range_t gain_handler_impl::get_overall_gain_range(void){ - float gain_min = 0, gain_max = 0, gain_step = 0; - BOOST_FOREACH(std::string name, get_gain_names()){ - gain_range_t floatmp = get_named_prop<gain_range_t>(_props.range, name); - gain_min += floatmp.min; - gain_max += floatmp.max; - gain_step = std::max(gain_step, floatmp.step); - } - return gain_range_t(gain_min, gain_max, gain_step); -} - -/*********************************************************************** - * gain handler implementation get method - **********************************************************************/ -bool gain_handler_impl::intercept_get(const wax::obj &key_, wax::obj &val){ - wax::obj key; std::string name; - boost::tie(key, name) = extract_named_prop(key_); - - //not a wildcard... dont handle (but check name) - if (name != ""){ - assert_has(get_gain_names(), name, "gain name"); - return false; - } - - if (_is_equal(key, _props.value)){ - val = get_overall_gain_val(); - return true; - } - - if (_is_equal(key, _props.range)){ - val = get_overall_gain_range(); - return true; - } - - return false; //not handled -} - -/*********************************************************************** - * gain handler implementation set method - **********************************************************************/ -bool gain_handler_impl::intercept_set(const wax::obj &key_, const wax::obj &val){ - wax::obj key; std::string name; - boost::tie(key, name) = extract_named_prop(key_); - - //not a gain value key... dont handle - if (not _is_equal(key, _props.value)) return false; - - float gain_val = val.as<float>(); - - //not a wildcard... dont handle (but check name and range) - if (name != ""){ - assert_has(get_gain_names(), name, "gain name"); - gain_range_t gain = get_named_prop<gain_range_t>(_props.range, name); - if (gain_val > gain.max or gain_val < gain.min) throw std::range_error(str( - boost::format("A value of %f for gain %s is out of range of (%f, %f)") - % gain_val % name % gain.min % gain.max - )); - return false; - } - - //set the overall gain - BOOST_FOREACH(std::string name, get_gain_names()){ - //get the min, max, step for this gain name - gain_range_t gain = get_named_prop<gain_range_t>(_props.range, name); - - //clip g to be within the allowed range - float g = std::min(std::max(gain_val, gain.min), gain.max); - //set g to be a multiple of the step size - g -= std::fmod(g, gain.step); - //set g to be the new gain - _link[named_prop_t(_props.value, name)] = g; - //subtract g out of the total gain left to apply - gain_val -= g; - } - - return true; -} |