2009-08-11 15:59:30 +00:00
|
|
|
// FGEventInput.cxx -- handle event driven input devices for the Linux O/S
|
|
|
|
//
|
|
|
|
// Written by Torsten Dreyer, started July 2009.
|
|
|
|
//
|
|
|
|
// Copyright (C) 2009 Torsten Dreyer, Torsten (at) t3r _dot_ de
|
|
|
|
//
|
|
|
|
// 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 2 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, write to the Free Software
|
|
|
|
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
|
|
# include <config.h>
|
|
|
|
#endif
|
|
|
|
|
2011-01-08 21:34:43 +00:00
|
|
|
#include <cstring>
|
2013-02-07 18:00:54 +00:00
|
|
|
#include <cstdio>
|
2011-01-08 21:34:43 +00:00
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/stat.h>
|
|
|
|
#include "FGLinuxEventInput.hxx"
|
2010-10-25 12:48:56 +00:00
|
|
|
|
2013-01-30 20:49:50 +00:00
|
|
|
extern "C" {
|
|
|
|
#include <libudev.h>
|
|
|
|
}
|
|
|
|
|
2011-01-17 19:27:03 +00:00
|
|
|
#include <poll.h>
|
|
|
|
#include <linux/input.h>
|
|
|
|
#include <fcntl.h>
|
|
|
|
|
|
|
|
#include <string.h>
|
2009-08-11 15:59:30 +00:00
|
|
|
|
|
|
|
struct TypeCode {
|
|
|
|
unsigned type;
|
|
|
|
unsigned code;
|
|
|
|
|
|
|
|
inline unsigned long hashCode() const {
|
|
|
|
return (unsigned long)type << 16 | (unsigned long)code;
|
|
|
|
}
|
|
|
|
|
2012-03-06 21:28:18 +00:00
|
|
|
bool operator < ( const TypeCode & other) const {
|
2009-08-11 15:59:30 +00:00
|
|
|
return hashCode() < other.hashCode();
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
// event to name translation table
|
|
|
|
// events are from include <linux/input.h>
|
|
|
|
|
|
|
|
static struct EventTypes {
|
|
|
|
struct TypeCode typeCode;
|
|
|
|
const char * name;
|
|
|
|
} EVENT_TYPES[] = {
|
|
|
|
{ { EV_SYN, SYN_REPORT }, "syn-report" },
|
|
|
|
{ { EV_SYN, SYN_CONFIG }, "syn-config" },
|
|
|
|
|
|
|
|
// misc
|
|
|
|
{ { EV_KEY, BTN_0 }, "button-0" },
|
|
|
|
{ { EV_KEY, BTN_1 }, "button-1" },
|
|
|
|
{ { EV_KEY, BTN_2 }, "button-2" },
|
|
|
|
{ { EV_KEY, BTN_3 }, "button-3" },
|
|
|
|
{ { EV_KEY, BTN_4 }, "button-4" },
|
|
|
|
{ { EV_KEY, BTN_5 }, "button-5" },
|
|
|
|
{ { EV_KEY, BTN_6 }, "button-6" },
|
|
|
|
{ { EV_KEY, BTN_7 }, "button-7" },
|
|
|
|
{ { EV_KEY, BTN_8 }, "button-8" },
|
|
|
|
{ { EV_KEY, BTN_9 }, "button-9" },
|
|
|
|
|
|
|
|
// mouse
|
|
|
|
{ { EV_KEY, BTN_LEFT }, "button-left" },
|
|
|
|
{ { EV_KEY, BTN_RIGHT }, "button-right" },
|
|
|
|
{ { EV_KEY, BTN_MIDDLE }, "button-middle" },
|
|
|
|
{ { EV_KEY, BTN_SIDE }, "button-side" },
|
|
|
|
{ { EV_KEY, BTN_EXTRA }, "button-extra" },
|
|
|
|
{ { EV_KEY, BTN_FORWARD }, "button-forward" },
|
|
|
|
{ { EV_KEY, BTN_BACK }, "button-back" },
|
|
|
|
{ { EV_KEY, BTN_TASK }, "button-task" },
|
|
|
|
|
|
|
|
// joystick
|
|
|
|
{ { EV_KEY, BTN_TRIGGER }, "button-trigger" },
|
|
|
|
{ { EV_KEY, BTN_THUMB }, "button-thumb" },
|
|
|
|
{ { EV_KEY, BTN_THUMB2 }, "button-thumb2" },
|
|
|
|
{ { EV_KEY, BTN_TOP }, "button-top" },
|
|
|
|
{ { EV_KEY, BTN_TOP2 }, "button-top2" },
|
|
|
|
{ { EV_KEY, BTN_PINKIE }, "button-pinkie" },
|
|
|
|
{ { EV_KEY, BTN_BASE }, "button-base" },
|
|
|
|
{ { EV_KEY, BTN_BASE2 }, "button-base2" },
|
|
|
|
{ { EV_KEY, BTN_BASE3 }, "button-base3" },
|
|
|
|
{ { EV_KEY, BTN_BASE4 }, "button-base4" },
|
|
|
|
{ { EV_KEY, BTN_BASE5 }, "button-base5" },
|
|
|
|
{ { EV_KEY, BTN_BASE6 }, "button-base6" },
|
|
|
|
{ { EV_KEY, BTN_DEAD }, "button-dead" },
|
|
|
|
|
|
|
|
// gamepad
|
|
|
|
{ { EV_KEY, BTN_A }, "button-a" },
|
|
|
|
{ { EV_KEY, BTN_B }, "button-b" },
|
|
|
|
{ { EV_KEY, BTN_C }, "button-c" },
|
|
|
|
{ { EV_KEY, BTN_X }, "button-x" },
|
|
|
|
{ { EV_KEY, BTN_Y }, "button-y" },
|
|
|
|
{ { EV_KEY, BTN_Z }, "button-z" },
|
|
|
|
{ { EV_KEY, BTN_TL }, "button-tl" },
|
|
|
|
{ { EV_KEY, BTN_TR }, "button-tr" },
|
|
|
|
{ { EV_KEY, BTN_TL2 }, "button-tl2" },
|
|
|
|
{ { EV_KEY, BTN_TR2 }, "button-tr2" },
|
|
|
|
{ { EV_KEY, BTN_SELECT }, "button-select" },
|
|
|
|
{ { EV_KEY, BTN_START }, "button-start" },
|
|
|
|
{ { EV_KEY, BTN_MODE }, "button-mode" },
|
|
|
|
{ { EV_KEY, BTN_THUMBL }, "button-thumbl" },
|
|
|
|
{ { EV_KEY, BTN_THUMBR }, "button-thumbr" },
|
|
|
|
|
|
|
|
// digitizer
|
|
|
|
{ { EV_KEY, BTN_TOOL_PEN }, "button-pen" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_RUBBER }, "button-rubber" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_BRUSH }, "button-brush" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_PENCIL }, "button-pencil" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_AIRBRUSH }, "button-airbrush" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_FINGER }, "button-finger" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_MOUSE }, "button-mouse" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_LENS }, "button-lens" },
|
|
|
|
{ { EV_KEY, BTN_TOUCH }, "button-touch" },
|
|
|
|
{ { EV_KEY, BTN_STYLUS }, "button-stylus" },
|
|
|
|
{ { EV_KEY, BTN_STYLUS2 }, "button-stylus2" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_DOUBLETAP }, "button-doubletap" },
|
|
|
|
{ { EV_KEY, BTN_TOOL_TRIPLETAP }, "button-trippletap" },
|
|
|
|
|
|
|
|
{ { EV_KEY, BTN_WHEEL }, "button-wheel" },
|
|
|
|
{ { EV_KEY, BTN_GEAR_DOWN }, "button-gear-down" },
|
|
|
|
{ { EV_KEY, BTN_GEAR_UP }, "button-gear-up" },
|
|
|
|
|
|
|
|
{ { EV_REL, REL_X }, "rel-x-translate" },
|
|
|
|
{ { EV_REL, REL_Y}, "rel-y-translate" },
|
|
|
|
{ { EV_REL, REL_Z}, "rel-z-translate" },
|
|
|
|
{ { EV_REL, REL_RX}, "rel-x-rotate" },
|
|
|
|
{ { EV_REL, REL_RY}, "rel-y-rotate" },
|
|
|
|
{ { EV_REL, REL_RZ}, "rel-z-rotate" },
|
|
|
|
{ { EV_REL, REL_HWHEEL}, "rel-hwheel" },
|
|
|
|
{ { EV_REL, REL_DIAL}, "rel-dial" },
|
|
|
|
{ { EV_REL, REL_WHEEL}, "rel-wheel" },
|
|
|
|
{ { EV_REL, REL_MISC}, "rel-misc" },
|
|
|
|
|
|
|
|
{ { EV_ABS, ABS_X }, "abs-x-translate" },
|
|
|
|
{ { EV_ABS, ABS_Y }, "abs-y-translate" },
|
|
|
|
{ { EV_ABS, ABS_Z }, "abs-z-translate" },
|
|
|
|
{ { EV_ABS, ABS_RX }, "abs-x-rotate" },
|
|
|
|
{ { EV_ABS, ABS_RY }, "abs-y-rotate" },
|
|
|
|
{ { EV_ABS, ABS_RZ }, "abs-z-rotate" },
|
|
|
|
{ { EV_ABS, ABS_THROTTLE }, "abs-throttle" },
|
|
|
|
{ { EV_ABS, ABS_RUDDER }, "abs-rudder" },
|
|
|
|
{ { EV_ABS, ABS_WHEEL }, "abs-wheel" },
|
|
|
|
{ { EV_ABS, ABS_GAS }, "abs-gas" },
|
|
|
|
{ { EV_ABS, ABS_BRAKE }, "abs-brake" },
|
|
|
|
{ { EV_ABS, ABS_HAT0X }, "abs-hat0-x" },
|
|
|
|
{ { EV_ABS, ABS_HAT0Y }, "abs-hat0-y" },
|
|
|
|
{ { EV_ABS, ABS_HAT1X }, "abs-hat1-x" },
|
|
|
|
{ { EV_ABS, ABS_HAT1Y }, "abs-hat1-y" },
|
|
|
|
{ { EV_ABS, ABS_HAT2X }, "abs-hat2-x" },
|
|
|
|
{ { EV_ABS, ABS_HAT2Y }, "abs-hat2-y" },
|
|
|
|
{ { EV_ABS, ABS_HAT3X }, "abs-hat3-x" },
|
|
|
|
{ { EV_ABS, ABS_HAT3Y }, "abs-hat3-y" },
|
|
|
|
{ { EV_ABS, ABS_PRESSURE }, "abs-pressure" },
|
|
|
|
{ { EV_ABS, ABS_DISTANCE }, "abs-distance" },
|
|
|
|
{ { EV_ABS, ABS_TILT_X }, "abs-tilt-x" },
|
|
|
|
{ { EV_ABS, ABS_TILT_Y }, "abs-tilt-y" },
|
|
|
|
{ { EV_ABS, ABS_TOOL_WIDTH }, "abs-toold-width" },
|
|
|
|
{ { EV_ABS, ABS_VOLUME }, "abs-volume" },
|
|
|
|
{ { EV_ABS, ABS_MISC }, "abs-misc" },
|
|
|
|
|
|
|
|
{ { EV_MSC, MSC_SERIAL }, "misc-serial" },
|
|
|
|
{ { EV_MSC, MSC_PULSELED }, "misc-pulseled" },
|
|
|
|
{ { EV_MSC, MSC_GESTURE }, "misc-gesture" },
|
|
|
|
{ { EV_MSC, MSC_RAW }, "misc-raw" },
|
|
|
|
{ { EV_MSC, MSC_SCAN }, "misc-scan" },
|
|
|
|
|
|
|
|
// switch
|
|
|
|
{ { EV_SW, SW_LID }, "switch-lid" },
|
|
|
|
{ { EV_SW, SW_TABLET_MODE }, "switch-tablet-mode" },
|
|
|
|
{ { EV_SW, SW_HEADPHONE_INSERT }, "switch-headphone-insert" },
|
2009-08-11 16:21:19 +00:00
|
|
|
#ifdef SW_RFKILL_ALL
|
2009-08-11 15:59:30 +00:00
|
|
|
{ { EV_SW, SW_RFKILL_ALL }, "switch-rfkill" },
|
2009-08-11 16:21:19 +00:00
|
|
|
#endif
|
|
|
|
#ifdef SW_MICROPHONE_INSERT
|
2009-08-11 15:59:30 +00:00
|
|
|
{ { EV_SW, SW_MICROPHONE_INSERT }, "switch-microphone-insert" },
|
2009-08-11 16:21:19 +00:00
|
|
|
#endif
|
|
|
|
#ifdef SW_DOCK
|
2009-08-11 16:41:19 +00:00
|
|
|
{ { EV_SW, SW_DOCK }, "switch-dock" },
|
2009-08-11 16:21:19 +00:00
|
|
|
#endif
|
2009-08-11 15:59:30 +00:00
|
|
|
|
|
|
|
{ { EV_LED, LED_NUML}, "led-numlock" },
|
|
|
|
{ { EV_LED, LED_CAPSL}, "led-capslock" },
|
|
|
|
{ { EV_LED, LED_SCROLLL}, "led-scrolllock" },
|
|
|
|
{ { EV_LED, LED_COMPOSE}, "led-compose" },
|
|
|
|
{ { EV_LED, LED_KANA}, "led-kana" },
|
|
|
|
{ { EV_LED, LED_SLEEP}, "led-sleep" },
|
|
|
|
{ { EV_LED, LED_SUSPEND}, "led-suspend" },
|
|
|
|
{ { EV_LED, LED_MUTE}, "led-mute" },
|
|
|
|
{ { EV_LED, LED_MISC}, "led-misc" },
|
|
|
|
{ { EV_LED, LED_MAIL}, "led-mail" },
|
|
|
|
{ { EV_LED, LED_CHARGING}, "led-charging" }
|
|
|
|
|
|
|
|
};
|
|
|
|
|
2009-08-28 15:05:21 +00:00
|
|
|
static struct enbet {
|
|
|
|
unsigned type;
|
|
|
|
const char * name;
|
|
|
|
} EVENT_NAMES_BY_EVENT_TYPE[] = {
|
|
|
|
{ EV_SYN, "syn" },
|
|
|
|
{ EV_KEY, "button" },
|
|
|
|
{ EV_REL, "rel" },
|
|
|
|
{ EV_ABS, "abs" },
|
|
|
|
{ EV_MSC, "msc" },
|
|
|
|
{ EV_SW, "button" },
|
|
|
|
{ EV_LED, "led" },
|
|
|
|
{ EV_SND, "snd" },
|
|
|
|
{ EV_REP, "rep" },
|
|
|
|
{ EV_FF, "ff" },
|
|
|
|
{ EV_PWR, "pwr" },
|
|
|
|
{ EV_FF_STATUS, "ff-status" }
|
|
|
|
};
|
|
|
|
|
|
|
|
|
2011-11-14 14:33:02 +00:00
|
|
|
class EventNameByEventType : public std::map<unsigned,const char*> {
|
2009-08-28 15:05:21 +00:00
|
|
|
public:
|
|
|
|
EventNameByEventType() {
|
|
|
|
for( unsigned i = 0; i < sizeof(EVENT_NAMES_BY_EVENT_TYPE)/sizeof(EVENT_NAMES_BY_EVENT_TYPE[0]); i++ )
|
|
|
|
(*this)[EVENT_NAMES_BY_EVENT_TYPE[i].type] = EVENT_NAMES_BY_EVENT_TYPE[i].name;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
static EventNameByEventType EVENT_NAME_BY_EVENT_TYPE;
|
|
|
|
|
2011-11-14 14:33:02 +00:00
|
|
|
class EventNameByType : public std::map<TypeCode,const char*> {
|
2009-08-11 15:59:30 +00:00
|
|
|
public:
|
|
|
|
EventNameByType() {
|
2009-08-20 22:06:38 +00:00
|
|
|
for( unsigned i = 0; i < sizeof(EVENT_TYPES)/sizeof(EVENT_TYPES[0]); i++ )
|
2009-08-11 15:59:30 +00:00
|
|
|
(*this)[EVENT_TYPES[i].typeCode] = EVENT_TYPES[i].name;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
static EventNameByType EVENT_NAME_BY_TYPE;
|
|
|
|
|
|
|
|
|
|
|
|
struct ltstr {
|
|
|
|
bool operator()(const char * s1, const char * s2 ) const {
|
2011-11-14 14:33:02 +00:00
|
|
|
return std::string(s1).compare( s2 ) < 0;
|
2009-08-11 15:59:30 +00:00
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2011-11-14 14:33:02 +00:00
|
|
|
class EventTypeByName : public std::map<const char *,TypeCode,ltstr> {
|
2009-08-11 15:59:30 +00:00
|
|
|
public:
|
|
|
|
EventTypeByName() {
|
2009-08-20 22:06:38 +00:00
|
|
|
for( unsigned i = 0; i < sizeof(EVENT_TYPES)/sizeof(EVENT_TYPES[0]); i++ )
|
2009-08-11 15:59:30 +00:00
|
|
|
(*this)[EVENT_TYPES[i].name] = EVENT_TYPES[i].typeCode;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
static EventTypeByName EVENT_TYPE_BY_NAME;
|
|
|
|
|
|
|
|
|
2017-12-11 17:10:29 +00:00
|
|
|
FGLinuxInputDevice::FGLinuxInputDevice( std::string aName, std::string aDevname, std::string aSerial ) :
|
|
|
|
FGInputDevice(aName,aSerial),
|
2009-08-20 22:06:38 +00:00
|
|
|
devname( aDevname ),
|
|
|
|
fd(-1)
|
2009-08-11 15:59:30 +00:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
FGLinuxInputDevice::~FGLinuxInputDevice()
|
|
|
|
{
|
|
|
|
try {
|
|
|
|
Close();
|
|
|
|
}
|
|
|
|
catch(...) {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
FGLinuxInputDevice::FGLinuxInputDevice() :
|
|
|
|
fd(-1)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2011-01-17 19:27:03 +00:00
|
|
|
static inline bool bitSet( unsigned char * buf, unsigned bit )
|
2009-10-01 11:49:10 +00:00
|
|
|
{
|
2011-01-17 19:27:03 +00:00
|
|
|
return (buf[bit/sizeof(unsigned char)/8] >> (bit%(sizeof(unsigned char)*8))) & 1;
|
2009-10-01 11:49:10 +00:00
|
|
|
}
|
|
|
|
|
2017-12-25 18:13:03 +00:00
|
|
|
bool FGLinuxInputDevice::Open()
|
2009-08-11 15:59:30 +00:00
|
|
|
{
|
2017-12-25 18:13:03 +00:00
|
|
|
if( fd != -1 ) return true;
|
2009-08-11 15:59:30 +00:00
|
|
|
if( (fd = ::open( devname.c_str(), O_RDWR )) == -1 ) {
|
2011-11-14 14:33:02 +00:00
|
|
|
throw std::exception();
|
2009-08-11 15:59:30 +00:00
|
|
|
}
|
2009-08-22 08:32:36 +00:00
|
|
|
|
2009-10-01 11:49:10 +00:00
|
|
|
if( GetGrab() && ioctl( fd, EVIOCGRAB, 2 ) == -1 ) {
|
2009-08-22 08:32:36 +00:00
|
|
|
SG_LOG( SG_INPUT, SG_WARN, "Can't grab " << devname << " for exclusive access" );
|
|
|
|
}
|
2009-10-01 11:49:10 +00:00
|
|
|
|
2011-01-17 19:27:03 +00:00
|
|
|
{
|
|
|
|
unsigned char buf[ABS_CNT/sizeof(unsigned char)/8];
|
|
|
|
// get axes maximums
|
|
|
|
if( ioctl( fd, EVIOCGBIT(EV_ABS,ABS_MAX), buf ) == -1 ) {
|
|
|
|
SG_LOG( SG_INPUT, SG_WARN, "Can't get abs-axes for " << devname );
|
|
|
|
} else {
|
|
|
|
for( unsigned i = 0; i < ABS_MAX; i++ ) {
|
|
|
|
if( bitSet( buf, i ) ) {
|
|
|
|
struct input_absinfo ai;
|
|
|
|
if( ioctl(fd, EVIOCGABS(i), &ai) == -1 ) {
|
|
|
|
SG_LOG( SG_INPUT, SG_WARN, "Can't get abs-axes maximums for " << devname );
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
absinfo[i] = ai;
|
2011-01-21 19:44:35 +00:00
|
|
|
/*
|
2011-01-17 19:27:03 +00:00
|
|
|
SG_LOG( SG_INPUT, SG_INFO, "Axis #" << i <<
|
|
|
|
": value=" << ai.value <<
|
|
|
|
": minimum=" << ai.minimum <<
|
|
|
|
": maximum=" << ai.maximum <<
|
|
|
|
": fuzz=" << ai.fuzz <<
|
|
|
|
": flat=" << ai.flat <<
|
|
|
|
": resolution=" << ai.resolution );
|
2011-01-21 19:44:35 +00:00
|
|
|
*/
|
2011-01-17 19:27:03 +00:00
|
|
|
|
|
|
|
// kick an initial event
|
|
|
|
struct input_event event;
|
|
|
|
event.type = EV_ABS;
|
|
|
|
event.code = i;
|
|
|
|
event.value = ai.value;
|
|
|
|
FGLinuxEventData eventData( event, 0, 0 );
|
|
|
|
eventData.value = Normalize( event );
|
|
|
|
HandleEvent(eventData);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
{
|
|
|
|
unsigned char mask[KEY_CNT/sizeof(unsigned char)/8];
|
|
|
|
unsigned char flag[KEY_CNT/sizeof(unsigned char)/8];
|
|
|
|
memset(mask,0,sizeof(mask));
|
|
|
|
memset(flag,0,sizeof(flag));
|
|
|
|
if( ioctl( fd, EVIOCGKEY(sizeof(flag)), flag ) == -1 ||
|
|
|
|
ioctl( fd, EVIOCGBIT(EV_KEY, sizeof(mask)), mask ) == -1 ) {
|
|
|
|
SG_LOG( SG_INPUT, SG_WARN, "Can't get keys for " << devname );
|
|
|
|
} else {
|
|
|
|
for( unsigned i = 0; i < KEY_MAX; i++ ) {
|
|
|
|
if( bitSet( mask, i ) ) {
|
|
|
|
struct input_event event;
|
|
|
|
event.type = EV_KEY;
|
|
|
|
event.code = i;
|
|
|
|
event.value = bitSet(flag,i);
|
|
|
|
FGLinuxEventData eventData( event, 0, 0 );
|
|
|
|
HandleEvent(eventData);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
{
|
|
|
|
unsigned char buf[SW_CNT/sizeof(unsigned char)/8];
|
|
|
|
if( ioctl( fd, EVIOCGSW(sizeof(buf)), buf ) == -1 ) {
|
|
|
|
SG_LOG( SG_INPUT, SG_WARN, "Can't get switches for " << devname );
|
|
|
|
} else {
|
|
|
|
for( unsigned i = 0; i < SW_MAX; i++ ) {
|
|
|
|
if( bitSet( buf, i ) ) {
|
|
|
|
struct input_event event;
|
|
|
|
event.type = EV_SW;
|
|
|
|
event.code = i;
|
|
|
|
event.value = 1;
|
|
|
|
FGLinuxEventData eventData( event, 0, 0 );
|
|
|
|
HandleEvent(eventData);
|
2009-10-01 11:49:10 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2017-12-25 18:13:03 +00:00
|
|
|
|
|
|
|
return true;
|
2009-10-01 11:49:10 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
double FGLinuxInputDevice::Normalize( struct input_event & event )
|
|
|
|
{
|
|
|
|
if( absinfo.count(event.code) > 0 ) {
|
|
|
|
const struct input_absinfo & ai = absinfo[(unsigned int)event.code];
|
|
|
|
if( ai.maximum == ai.minimum )
|
|
|
|
return 0.0;
|
|
|
|
return ((double)event.value-(double)ai.minimum)/((double)ai.maximum-(double)ai.minimum);
|
|
|
|
} else {
|
|
|
|
return (double)event.value;
|
|
|
|
}
|
2009-08-11 15:59:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void FGLinuxInputDevice::Close()
|
|
|
|
{
|
2009-08-22 08:32:36 +00:00
|
|
|
if( fd != -1 ) {
|
|
|
|
if( GetGrab() && ioctl( fd, EVIOCGRAB, 0 ) != 0 ) {
|
|
|
|
SG_LOG( SG_INPUT, SG_WARN, "Can't ungrab " << devname );
|
|
|
|
}
|
|
|
|
::close(fd);
|
|
|
|
}
|
2009-08-11 15:59:30 +00:00
|
|
|
fd = -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
void FGLinuxInputDevice::Send( const char * eventName, double value )
|
|
|
|
{
|
|
|
|
if( EVENT_TYPE_BY_NAME.count( eventName ) <= 0 ) {
|
|
|
|
SG_LOG( SG_INPUT, SG_ALERT, "Can't send unknown event " << eventName );
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
TypeCode & typeCode = EVENT_TYPE_BY_NAME[ eventName ];
|
|
|
|
|
|
|
|
if( fd == -1 )
|
|
|
|
return;
|
|
|
|
|
|
|
|
input_event evt;
|
|
|
|
evt.type=typeCode.type;
|
|
|
|
evt.code = typeCode.code;
|
|
|
|
evt.value = (long)value;
|
|
|
|
evt.time.tv_sec = 0;
|
|
|
|
evt.time.tv_usec = 0;
|
2013-12-07 12:48:04 +00:00
|
|
|
size_t bytes_written = write(fd, &evt, sizeof(evt));
|
|
|
|
|
|
|
|
if( bytes_written == sizeof(evt) )
|
|
|
|
SG_LOG( SG_INPUT,
|
|
|
|
SG_DEBUG,
|
|
|
|
"Written event " << eventName << " as type=" << evt.type
|
|
|
|
<< ", code=" << evt.code
|
|
|
|
<< " value=" << evt.value );
|
|
|
|
else
|
|
|
|
SG_LOG( SG_INPUT,
|
|
|
|
SG_WARN,
|
|
|
|
"Failed to write event: written = " << bytes_written );
|
2009-08-11 15:59:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static char ugly_buffer[128];
|
|
|
|
const char * FGLinuxInputDevice::TranslateEventName( FGEventData & eventData )
|
|
|
|
{
|
|
|
|
FGLinuxEventData & linuxEventData = (FGLinuxEventData&)eventData;
|
|
|
|
TypeCode typeCode;
|
|
|
|
typeCode.type = linuxEventData.type;
|
|
|
|
typeCode.code = linuxEventData.code;
|
|
|
|
if( EVENT_NAME_BY_TYPE.count(typeCode) == 0 ) {
|
2009-08-28 15:05:21 +00:00
|
|
|
// event not known in translation tables
|
|
|
|
if( EVENT_NAME_BY_EVENT_TYPE.count(linuxEventData.type) == 0 ) {
|
|
|
|
// event type not known in translation tables
|
|
|
|
sprintf( ugly_buffer, "unknown-%u-%u", (unsigned)linuxEventData.type, (unsigned)linuxEventData.code );
|
|
|
|
return ugly_buffer;
|
|
|
|
}
|
|
|
|
sprintf( ugly_buffer, "%s-%u", EVENT_NAME_BY_EVENT_TYPE[linuxEventData.type], (unsigned)linuxEventData.code );
|
2009-08-11 15:59:30 +00:00
|
|
|
return ugly_buffer;
|
|
|
|
}
|
|
|
|
|
|
|
|
return EVENT_NAME_BY_TYPE[typeCode];
|
|
|
|
}
|
|
|
|
|
2012-03-06 21:28:18 +00:00
|
|
|
void FGLinuxInputDevice::SetDevname( const std::string & name )
|
2009-08-11 15:59:30 +00:00
|
|
|
{
|
|
|
|
this->devname = name;
|
|
|
|
}
|
|
|
|
|
2011-12-03 21:59:20 +00:00
|
|
|
FGLinuxEventInput::FGLinuxEventInput()
|
2009-08-11 15:59:30 +00:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
FGLinuxEventInput::~FGLinuxEventInput()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2009-08-28 15:05:21 +00:00
|
|
|
void FGLinuxEventInput::postinit()
|
2009-08-11 15:59:30 +00:00
|
|
|
{
|
2009-08-28 15:05:21 +00:00
|
|
|
FGEventInput::postinit();
|
2009-08-11 15:59:30 +00:00
|
|
|
|
2011-12-03 21:59:20 +00:00
|
|
|
struct udev * udev = udev_new();
|
2009-08-11 15:59:30 +00:00
|
|
|
|
2011-12-03 21:59:20 +00:00
|
|
|
struct udev_enumerate *enumerate = udev_enumerate_new(udev);
|
|
|
|
udev_enumerate_add_match_subsystem(enumerate, "input");
|
|
|
|
udev_enumerate_scan_devices(enumerate);
|
|
|
|
struct udev_list_entry *devices = udev_enumerate_get_list_entry(enumerate);
|
|
|
|
struct udev_list_entry *dev_list_entry;
|
2009-08-11 15:59:30 +00:00
|
|
|
|
2011-12-03 21:59:20 +00:00
|
|
|
udev_list_entry_foreach(dev_list_entry, devices) {
|
|
|
|
const char * path = udev_list_entry_get_name(dev_list_entry);
|
|
|
|
struct udev_device *dev = udev_device_new_from_syspath(udev, path);
|
|
|
|
const char * node = udev_device_get_devnode(dev);
|
|
|
|
|
2019-05-29 10:06:07 +00:00
|
|
|
struct udev_device * parent_dev = udev_device_get_parent( dev );
|
|
|
|
if ( parent_dev != NULL ) {
|
|
|
|
const char * name = udev_device_get_sysattr_value(parent_dev,"name");
|
|
|
|
const char * serial = udev_device_get_sysattr_value(parent_dev, "serial");
|
|
|
|
SG_LOG(SG_INPUT,SG_DEBUG, "name=" << (name?name:"<null>") << ", node=" << (node?node:"<null>"));
|
|
|
|
if( name && node ) {
|
|
|
|
std::string serialString = serial ? serial : std::string{};
|
|
|
|
AddDevice( new FGLinuxInputDevice(name, node, serialString) );
|
|
|
|
}
|
2017-12-22 22:44:29 +00:00
|
|
|
}
|
2009-08-11 15:59:30 +00:00
|
|
|
|
2011-12-03 21:59:20 +00:00
|
|
|
udev_device_unref(dev);
|
|
|
|
}
|
2009-08-11 15:59:30 +00:00
|
|
|
|
2011-12-03 21:59:20 +00:00
|
|
|
udev_unref(udev);
|
2009-08-11 15:59:30 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
void FGLinuxEventInput::update( double dt )
|
|
|
|
{
|
|
|
|
FGEventInput::update( dt );
|
|
|
|
// index the input devices by the associated fd and prepare
|
|
|
|
// the pollfd array by filling in the file descriptor
|
|
|
|
struct pollfd fds[input_devices.size()];
|
2011-11-14 14:33:02 +00:00
|
|
|
std::map<int,FGLinuxInputDevice*> devicesByFd;
|
|
|
|
std::map<int,FGInputDevice*>::const_iterator it;
|
2009-08-11 15:59:30 +00:00
|
|
|
int i;
|
|
|
|
for( i=0, it = input_devices.begin(); it != input_devices.end(); ++it, i++ ) {
|
|
|
|
FGInputDevice* p = (*it).second;
|
|
|
|
int fd = ((FGLinuxInputDevice*)p)->GetFd();
|
|
|
|
fds[i].fd = fd;
|
|
|
|
fds[i].events = POLLIN;
|
|
|
|
devicesByFd[fd] = (FGLinuxInputDevice*)p;
|
|
|
|
}
|
|
|
|
|
|
|
|
int modifiers = fgGetKeyModifiers();
|
|
|
|
// poll all devices until no more events are in the queue
|
|
|
|
// do no more than maxpolls in a single loop to prevent locking
|
|
|
|
int maxpolls = 100;
|
|
|
|
while( maxpolls-- > 0 && ::poll( fds, i, 0 ) > 0 ) {
|
2009-08-20 22:06:38 +00:00
|
|
|
for( unsigned i = 0; i < sizeof(fds)/sizeof(fds[0]); i++ ) {
|
2009-08-11 15:59:30 +00:00
|
|
|
if( fds[i].revents & POLLIN ) {
|
|
|
|
|
|
|
|
// if this device reports data ready, it should be a input_event struct
|
|
|
|
struct input_event event;
|
|
|
|
|
|
|
|
if( read( fds[i].fd, &event, sizeof(event) ) != sizeof(event) )
|
|
|
|
continue;
|
|
|
|
|
|
|
|
FGLinuxEventData eventData( event, dt, modifiers );
|
|
|
|
|
2009-10-01 11:49:10 +00:00
|
|
|
if( event.type == EV_ABS )
|
|
|
|
eventData.value = devicesByFd[fds[i].fd]->Normalize( event );
|
|
|
|
|
2009-08-11 15:59:30 +00:00
|
|
|
// let the FGInputDevice handle the data
|
|
|
|
devicesByFd[fds[i].fd]->HandleEvent( eventData );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2011-01-17 19:27:03 +00:00
|
|
|
|