49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
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** Xbox/Xbox360 USB Gamepad Userspace Driver
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** Copyright (C) 2008 Ingo Ruhnke <grumbel@gmx.de>
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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/bind.hpp>
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#include "join_axis.hpp"
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JoinAxis::JoinAxis()
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{
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abs_port_in.push_back(new AbsPortIn("JoinAxis-1", 0, 0,
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boost::bind(&JoinAxis::on_abs, this, _1)));
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abs_port_in.push_back(new AbsPortIn("JoinAxis-2", 0, 0,
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boost::bind(&JoinAxis::on_abs, this, _1)));
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// FIXME: Abs handling must do something proper with the min/max values
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abs_port_out.push_back(new AbsPortOut("JoinAxis-Out-1", -255, 255));
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}
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void
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JoinAxis::on_abs(AbsPortOut* port)
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{
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int value = 0;
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value -= abs_port_in[0]->out_port->get_state();
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value += abs_port_in[1]->out_port->get_state();
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// clamp
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value = std::max(abs_port_out[0]->min_value,
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std::min(value,
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abs_port_out[0]->max_value));
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abs_port_out[0]->set_state(value);
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}
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/* EOF */
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