- started to wrap uinput into a controller
This commit is contained in:
Ingo Ruhnke
parent
413dc08cad
commit
ec73a8feb9
5 changed files with 197 additions and 3 deletions
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@ -6,6 +6,7 @@ env.Program("inputdrv",
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["inputdrv.cpp",
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"xbox360_driver.cpp",
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"control.cpp",
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"uinput_driver.cpp",
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"toggle_button.cpp"],
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LIBS=['boost_signals', 'usb'])
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@ -61,10 +61,10 @@ int main()
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toggle_out->connect(xbox360.get_btn_port_in(0));
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xbox360.get_abs_port_out(Xbox360Driver::XBOX360_AXIS_Y1)
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xbox360.get_abs_port_out(Xbox360Driver::XBOX360_AXIS_LT)
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->connect(xbox360.get_abs_port_in(Xbox360Driver::ABS_PORT_IN_RUMBLE_L));
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xbox360.get_abs_port_out(Xbox360Driver::XBOX360_AXIS_Y2)
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xbox360.get_abs_port_out(Xbox360Driver::XBOX360_AXIS_RT)
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->connect(xbox360.get_abs_port_in(Xbox360Driver::ABS_PORT_IN_RUMBLE_R));
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xbox360.get_btn_port_out(Xbox360Driver::XBOX360_BTN_B)->connect(btn_change);
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@ -82,7 +82,7 @@ void
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uInput::setup_xbox360_gamepad(GamepadType type)
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{
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ioctl(fd, UI_SET_EVBIT, EV_ABS);
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ioctl(fd, UI_SET_EVBIT, EV_KEY);
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ioctl(fd, UI_SET_EVBIT, EV_KEY);
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ioctl(fd, UI_SET_ABSBIT, ABS_X);
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ioctl(fd, UI_SET_ABSBIT, ABS_Y);
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136
uinput_driver.cpp
Normal file
136
uinput_driver.cpp
Normal file
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@ -0,0 +1,136 @@
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/* $Id$
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** __ __ __ ___ __ __ __ __
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** / \ / \__| ____ __| _/_______/ |_|__| | | | ____
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** \ \/\/ / |/ \ / __ |/ ___/\ __\ | | | | _/ __ \
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** \ /| | | \/ /_/ |\___ \ | | | | |_| |_\ ___/
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** \__/\ / |__|___| /\____ /____ > |__| |__|____/____/\___ >
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** \/ \/ \/ \/ \/
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** Copyright (C) 2007 Ingo Ruhnke <grumbel@gmx.de>
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**
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** This program is free software; you can redistribute it and/or
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** modify it under the terms of the GNU General Public License
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** as published by the Free Software Foundation; either version 2
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** of the License, or (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, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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** 02111-1307, USA.
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*/
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <linux/uinput.h>
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#include <boost/bind.hpp>
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#include "uinput_driver.hpp"
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UInputDriver::UInputDriver()
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: abs_bit(false),
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key_bit(false),
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fd(-1)
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{
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memset(&user_dev, 0, sizeof(user_dev));
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// Open the input device
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char* uinput_filename[] = { "/dev/input/uinput", "/dev/uinput", "/dev/misc/uinput" };
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const int uinput_filename_count = (sizeof(uinput_filename)/sizeof(char*));
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for (int i = 0; i < uinput_filename_count; ++i)
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{
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if ((fd = open(uinput_filename[i], O_WRONLY | O_NDELAY)) >= 0)
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{
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break;
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}
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else
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{
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std::cout << "Error: " << uinput_filename[i] << ": " << strerror(errno) << std::endl;
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}
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}
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if (fd < 0)
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{
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std::cout << "Error: No stuitable uinput device found" << std::endl;
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std::cout << "" << std::endl;
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std::cout << "Troubleshooting:" << std::endl;
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std::cout << " * make sure uinput kernel module is loaded " << std::endl;
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std::cout << " * make sure joydev kernel module is loaded " << std::endl;
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std::cout << " * make sure you have permissions to access the uinput device" << std::endl;
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std::cout << " * start the driver with ./xboxdrv -v --no-uinput to see if the driver itself works" << std::endl;
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std::cout << "" << std::endl;
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exit(EXIT_FAILURE);
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}
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}
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void
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UInputDriver::add_abs(uint16_t code, int min, int max)
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{
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if (!abs_bit)
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{
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ioctl(fd, UI_SET_EVBIT, EV_ABS);
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abs_bit = true;
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}
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ioctl(fd, UI_SET_ABSBIT, code);
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user_dev.absmin[code] = min;
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user_dev.absmax[code] = max;
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abs_port_in.push_back(new AbsPortIn("UInput", min, max,
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boost::bind(&UInputDriver::on_abs, this, _1, code)));
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}
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void
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UInputDriver::on_btn(BtnPortOut* port, uint16_t code)
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{
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struct input_event ev;
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memset(&ev, 0, sizeof(ev));
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gettimeofday(&ev.time, NULL);
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ev.type = EV_KEY;
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ev.code = code;
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ev.value = port->get_state();
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write(fd, &ev, sizeof(ev));
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}
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void
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UInputDriver::on_abs(AbsPortOut* port, uint16_t code)
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{
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struct input_event ev;
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memset(&ev, 0, sizeof(ev));
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gettimeofday(&ev.time, NULL);
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ev.type = EV_ABS;
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ev.code = code;
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ev.value = port->get_state();
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write(fd, &ev, sizeof(ev));
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}
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void
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UInputDriver::add_btn(uint16_t code)
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{
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if (!key_bit)
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{
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ioctl(fd, UI_SET_EVBIT, EV_KEY);
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key_bit = true;
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}
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ioctl(fd, UI_SET_KEYBIT, code);
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}
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void
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UInputDriver::finish()
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{
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write(fd, &user_dev, sizeof(user_dev));
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}
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/* EOF */
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57
uinput_driver.hpp
Normal file
57
uinput_driver.hpp
Normal file
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@ -0,0 +1,57 @@
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/* $Id$
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** __ __ __ ___ __ __ __ __
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** / \ / \__| ____ __| _/_______/ |_|__| | | | ____
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** \ \/\/ / |/ \ / __ |/ ___/\ __\ | | | | _/ __ \
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** \ /| | | \/ /_/ |\___ \ | | | | |_| |_\ ___/
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** \__/\ / |__|___| /\____ /____ > |__| |__|____/____/\___ >
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** \/ \/ \/ \/ \/
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** Copyright (C) 2007 Ingo Ruhnke <grumbel@gmx.de>
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**
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** This program is free software; you can redistribute it and/or
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** modify it under the terms of the GNU General Public License
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** as published by the Free Software Foundation; either version 2
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** of the License, or (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, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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** 02111-1307, USA.
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*/
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#ifndef HEADER_UINPUT_DRIVER_HPP
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#define HEADER_UINPUT_DRIVER_HPP
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#include <linux/uinput.h>
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#include "control.hpp"
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/** */
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class UInputDriver : public Control
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{
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private:
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uinput_user_dev user_dev;
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bool abs_bit;
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bool key_bit;
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int fd;
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public:
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UInputDriver();
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void add_abs(uint16_t code, int min, int max);
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void add_btn(uint16_t code);
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void finish();
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void on_abs(AbsPortOut* port, uint16_t code);
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void on_btn(BtnPortOut* port, uint16_t code);
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private:
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UInputDriver (const UInputDriver&);
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UInputDriver& operator= (const UInputDriver&);
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};
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#endif
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/* EOF */
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