pcsx2/plugins/LilyPad/Linux/JoyEvdev.h

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/* LilyPad - Pad plugin for PS2 Emulator
* Copyright (C) 2002-2015 PCSX2 Dev Team/ChickenLiver
*
* PCSX2 is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Found- ation, either version 3 of the License, or (at your option)
* any later version.
*
* PCSX2 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 PCSX2. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Global.h"
#include "InputManager.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <linux/input.h>
struct abs_info
{
uint16_t code;
int32_t min;
int32_t max;
int32_t factor;
int32_t translation;
abs_info(int32_t _code, int32_t _min, int32_t _max, ControlType type)
: code(_code)
, min(_min)
, max(_max)
{
translation = 0;
// Note: ABSAXIS ranges from -64K to 64K
// Note: PSHBTN ranges from 0 to 64K
if ((min == 0) && (max == 255)) {
if (type == ABSAXIS) {
translation = 128;
factor = FULLY_DOWN / 128;
} else {
factor = FULLY_DOWN / 256;
}
} else if ((min == -1) && (max == 1)) {
factor = FULLY_DOWN;
} else if ((min == 0) && (std::abs(max - 127) < 2)) {
translation = 64;
factor = -FULLY_DOWN / 64;
} else if ((max == 255) && (std::abs(min - 127) < 2)) {
translation = 64 + 128;
factor = FULLY_DOWN / 64;
} else {
fprintf(stderr, "Scale not supported\n");
factor = 0;
}
}
int scale(int32_t value)
{
return (value - translation) * factor;
}
};
class JoyEvdev : public Device
{
int m_fd;
std::vector<abs_info> m_abs;
std::vector<uint16_t> m_btn;
std::vector<uint16_t> m_rel;
public:
JoyEvdev(int fd, bool ds3, const wchar_t *id);
~JoyEvdev();
int Activate(InitInfo *args);
int Update();
};
void EnumJoystickEvdev();