evtest.c

/*
 * $Id: evtest.c,v 1.23 2005/02/06 13:51:42 vojtech Exp $
 *
 *  Copyright (c) 1999-2000 Vojtech Pavlik
 *
 *  Event device test program
 */

/*
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <[email protected]>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */

#include <stdint.h>

#include <linux/input.h>

#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>

#ifndef EV_SYN
#define EV_SYN 0
#endif

char *events[EV_MAX + 1] = {
  [0 ... EV_MAX] = NULL,
  [EV_SYN] = "Sync",			[EV_KEY] = "Key",
  [EV_REL] = "Relative",			[EV_ABS] = "Absolute",
  [EV_MSC] = "Misc",			[EV_LED] = "LED",
  [EV_SND] = "Sound",			[EV_REP] = "Repeat",
  [EV_FF] = "ForceFeedback",		[EV_PWR] = "Power",
  [EV_FF_STATUS] = "ForceFeedbackStatus",
};

char *keys[KEY_MAX + 1] = {
  [0 ... KEY_MAX] = NULL,
  [KEY_RESERVED] = "Reserved",		[KEY_ESC] = "Esc",
  [KEY_1] = "1",				[KEY_2] = "2",
  [KEY_3] = "3",				[KEY_4] = "4",
  [KEY_5] = "5",				[KEY_6] = "6",
  [KEY_7] = "7",				[KEY_8] = "8",
  [KEY_9] = "9",				[KEY_0] = "0",
  [KEY_MINUS] = "Minus",			[KEY_EQUAL] = "Equal",
  [KEY_BACKSPACE] = "Backspace",		[KEY_TAB] = "Tab",
  [KEY_Q] = "Q",				[KEY_W] = "W",
  [KEY_E] = "E",				[KEY_R] = "R",
  [KEY_T] = "T",				[KEY_Y] = "Y",
  [KEY_U] = "U",				[KEY_I] = "I",
  [KEY_O] = "O",				[KEY_P] = "P",
  [KEY_LEFTBRACE] = "LeftBrace",		[KEY_RIGHTBRACE] = "RightBrace",
  [KEY_ENTER] = "Enter",			[KEY_LEFTCTRL] = "LeftControl",
  [KEY_A] = "A",				[KEY_S] = "S",
  [KEY_D] = "D",				[KEY_F] = "F",
  [KEY_G] = "G",				[KEY_H] = "H",
  [KEY_J] = "J",				[KEY_K] = "K",
  [KEY_L] = "L",				[KEY_SEMICOLON] = "Semicolon",
  [KEY_APOSTROPHE] = "Apostrophe",	[KEY_GRAVE] = "Grave",
  [KEY_LEFTSHIFT] = "LeftShift",		[KEY_BACKSLASH] = "BackSlash",
  [KEY_Z] = "Z",				[KEY_X] = "X",
  [KEY_C] = "C",				[KEY_V] = "V",
  [KEY_B] = "B",				[KEY_N] = "N",
  [KEY_M] = "M",				[KEY_COMMA] = "Comma",
  [KEY_DOT] = "Dot",			[KEY_SLASH] = "Slash",
  [KEY_RIGHTSHIFT] = "RightShift",	[KEY_KPASTERISK] = "KPAsterisk",
  [KEY_LEFTALT] = "LeftAlt",		[KEY_SPACE] = "Space",
  [KEY_CAPSLOCK] = "CapsLock",		[KEY_F1] = "F1",
  [KEY_F2] = "F2",			[KEY_F3] = "F3",
  [KEY_F4] = "F4",			[KEY_F5] = "F5",
  [KEY_F6] = "F6",			[KEY_F7] = "F7",
  [KEY_F8] = "F8",			[KEY_F9] = "F9",
  [KEY_F10] = "F10",			[KEY_NUMLOCK] = "NumLock",
  [KEY_SCROLLLOCK] = "ScrollLock",	[KEY_KP7] = "KP7",
  [KEY_KP8] = "KP8",			[KEY_KP9] = "KP9",
  [KEY_KPMINUS] = "KPMinus",		[KEY_KP4] = "KP4",
  [KEY_KP5] = "KP5",			[KEY_KP6] = "KP6",
  [KEY_KPPLUS] = "KPPlus",		[KEY_KP1] = "KP1",
  [KEY_KP2] = "KP2",			[KEY_KP3] = "KP3",
  [KEY_KP0] = "KP0",			[KEY_KPDOT] = "KPDot",
  [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd",
  [KEY_F11] = "F11",			[KEY_F12] = "F12",
  [KEY_RO] = "RO",			[KEY_KATAKANA] = "Katakana",
  [KEY_HIRAGANA] = "HIRAGANA",		[KEY_HENKAN] = "Henkan",
  [KEY_KATAKANAHIRAGANA] = "Katakana/Hiragana", [KEY_MUHENKAN] = "Muhenkan",
  [KEY_KPJPCOMMA] = "KPJpComma",		[KEY_KPENTER] = "KPEnter",
  [KEY_RIGHTCTRL] = "RightCtrl",		[KEY_KPSLASH] = "KPSlash",
  [KEY_SYSRQ] = "SysRq",			[KEY_RIGHTALT] = "RightAlt",
  [KEY_LINEFEED] = "LineFeed",		[KEY_HOME] = "Home",
  [KEY_UP] = "Up",			[KEY_PAGEUP] = "PageUp",
  [KEY_LEFT] = "Left",			[KEY_RIGHT] = "Right",
  [KEY_END] = "End",			[KEY_DOWN] = "Down",
  [KEY_PAGEDOWN] = "PageDown",		[KEY_INSERT] = "Insert",
  [KEY_DELETE] = "Delete",		[KEY_MACRO] = "Macro",
  [KEY_MUTE] = "Mute",			[KEY_VOLUMEDOWN] = "VolumeDown",
  [KEY_VOLUMEUP] = "VolumeUp",		[KEY_POWER] = "Power",
  [KEY_KPEQUAL] = "KPEqual",		[KEY_KPPLUSMINUS] = "KPPlusMinus",
  [KEY_PAUSE] = "Pause",			[KEY_KPCOMMA] = "KPComma",
  [KEY_HANGUEL] = "Hanguel",		[KEY_HANJA] = "Hanja",
  [KEY_YEN] = "Yen",			[KEY_LEFTMETA] = "LeftMeta",
  [KEY_RIGHTMETA] = "RightMeta",		[KEY_COMPOSE] = "Compose",
  [KEY_STOP] = "Stop",			[KEY_AGAIN] = "Again",
  [KEY_PROPS] = "Props",			[KEY_UNDO] = "Undo",
  [KEY_FRONT] = "Front",			[KEY_COPY] = "Copy",
  [KEY_OPEN] = "Open",			[KEY_PASTE] = "Paste",
  [KEY_FIND] = "Find",			[KEY_CUT] = "Cut",
  [KEY_HELP] = "Help",			[KEY_MENU] = "Menu",
  [KEY_CALC] = "Calc",			[KEY_SETUP] = "Setup",
  [KEY_SLEEP] = "Sleep",			[KEY_WAKEUP] = "WakeUp",
  [KEY_FILE] = "File",			[KEY_SENDFILE] = "SendFile",
  [KEY_DELETEFILE] = "DeleteFile",	[KEY_XFER] = "X-fer",
  [KEY_PROG1] = "Prog1",			[KEY_PROG2] = "Prog2",
  [KEY_WWW] = "WWW",			[KEY_MSDOS] = "MSDOS",
  [KEY_COFFEE] = "Coffee",		[KEY_DIRECTION] = "Direction",
  [KEY_CYCLEWINDOWS] = "CycleWindows",	[KEY_MAIL] = "Mail",
  [KEY_BOOKMARKS] = "Bookmarks",		[KEY_COMPUTER] = "Computer",
  [KEY_BACK] = "Back",			[KEY_FORWARD] = "Forward",
  [KEY_CLOSECD] = "CloseCD",		[KEY_EJECTCD] = "EjectCD",
  [KEY_EJECTCLOSECD] = "EjectCloseCD",	[KEY_NEXTSONG] = "NextSong",
  [KEY_PLAYPAUSE] = "PlayPause",		[KEY_PREVIOUSSONG] = "PreviousSong",
  [KEY_STOPCD] = "StopCD",		[KEY_RECORD] = "Record",
  [KEY_REWIND] = "Rewind",		[KEY_PHONE] = "Phone",
  [KEY_ISO] = "ISOKey",			[KEY_CONFIG] = "Config",
  [KEY_HOMEPAGE] = "HomePage",		[KEY_REFRESH] = "Refresh",
  [KEY_EXIT] = "Exit",			[KEY_MOVE] = "Move",
  [KEY_EDIT] = "Edit",			[KEY_SCROLLUP] = "ScrollUp",
  [KEY_SCROLLDOWN] = "ScrollDown",	[KEY_KPLEFTPAREN] = "KPLeftParenthesis",
  [KEY_KPRIGHTPAREN] = "KPRightParenthesis", [KEY_F13] = "F13",
  [KEY_F14] = "F14",			[KEY_F15] = "F15",
  [KEY_F16] = "F16",			[KEY_F17] = "F17",
  [KEY_F18] = "F18",			[KEY_F19] = "F19",
  [KEY_F20] = "F20",			[KEY_F21] = "F21",
  [KEY_F22] = "F22",			[KEY_F23] = "F23",
  [KEY_F24] = "F24",			[KEY_PLAYCD] = "PlayCD",
  [KEY_PAUSECD] = "PauseCD",		[KEY_PROG3] = "Prog3",
  [KEY_PROG4] = "Prog4",			[KEY_SUSPEND] = "Suspend",
  [KEY_CLOSE] = "Close",			[KEY_PLAY] = "Play",
  [KEY_FASTFORWARD] = "Fast Forward",	[KEY_BASSBOOST] = "Bass Boost",
  [KEY_PRINT] = "Print",			[KEY_HP] = "HP",
  [KEY_CAMERA] = "Camera",		[KEY_SOUND] = "Sound",
  [KEY_QUESTION] = "Question",		[KEY_EMAIL] = "Email",
  [KEY_CHAT] = "Chat",			[KEY_SEARCH] = "Search",
  [KEY_CONNECT] = "Connect",		[KEY_FINANCE] = "Finance",
  [KEY_SPORT] = "Sport",			[KEY_SHOP] = "Shop",
  [KEY_ALTERASE] = "Alternate Erase",	[KEY_CANCEL] = "Cancel",
  [KEY_BRIGHTNESSDOWN] = "Brightness down", [KEY_BRIGHTNESSUP] = "Brightness up",
  [KEY_MEDIA] = "Media",			[KEY_UNKNOWN] = "Unknown",
  [BTN_0] = "Btn0",			[BTN_1] = "Btn1",
  [BTN_2] = "Btn2",			[BTN_3] = "Btn3",
  [BTN_4] = "Btn4",			[BTN_5] = "Btn5",
  [BTN_6] = "Btn6",			[BTN_7] = "Btn7",
  [BTN_8] = "Btn8",			[BTN_9] = "Btn9",
  [BTN_LEFT] = "LeftBtn",			[BTN_RIGHT] = "RightBtn",
  [BTN_MIDDLE] = "MiddleBtn",		[BTN_SIDE] = "SideBtn",
  [BTN_EXTRA] = "ExtraBtn",		[BTN_FORWARD] = "ForwardBtn",
  [BTN_BACK] = "BackBtn",			[BTN_TASK] = "TaskBtn",
  [BTN_TRIGGER] = "Trigger",		[BTN_THUMB] = "ThumbBtn",
  [BTN_THUMB2] = "ThumbBtn2",		[BTN_TOP] = "TopBtn",
  [BTN_TOP2] = "TopBtn2",			[BTN_PINKIE] = "PinkieBtn",
  [BTN_BASE] = "BaseBtn",			[BTN_BASE2] = "BaseBtn2",
  [BTN_BASE3] = "BaseBtn3",		[BTN_BASE4] = "BaseBtn4",
  [BTN_BASE5] = "BaseBtn5",		[BTN_BASE6] = "BaseBtn6",
  [BTN_DEAD] = "BtnDead",			[BTN_A] = "BtnA",
  [BTN_B] = "BtnB",			[BTN_C] = "BtnC",
  [BTN_X] = "BtnX",			[BTN_Y] = "BtnY",
  [BTN_Z] = "BtnZ",			[BTN_TL] = "BtnTL",
  [BTN_TR] = "BtnTR",			[BTN_TL2] = "BtnTL2",
  [BTN_TR2] = "BtnTR2",			[BTN_SELECT] = "BtnSelect",
  [BTN_START] = "BtnStart",		[BTN_MODE] = "BtnMode",
  [BTN_THUMBL] = "BtnThumbL",		[BTN_THUMBR] = "BtnThumbR",
  [BTN_TOOL_PEN] = "ToolPen",		[BTN_TOOL_RUBBER] = "ToolRubber",
  [BTN_TOOL_BRUSH] = "ToolBrush",		[BTN_TOOL_PENCIL] = "ToolPencil",
  [BTN_TOOL_AIRBRUSH] = "ToolAirbrush",	[BTN_TOOL_FINGER] = "ToolFinger",
  [BTN_TOOL_MOUSE] = "ToolMouse",		[BTN_TOOL_LENS] = "ToolLens",
  [BTN_TOUCH] = "Touch",			[BTN_STYLUS] = "Stylus",
  [BTN_STYLUS2] = "Stylus2",		[BTN_TOOL_DOUBLETAP] = "Tool Doubletap",
  [BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn",
  [BTN_GEAR_UP] = "Gear up",		[KEY_OK] = "Ok",
  [KEY_SELECT] = "Select",		[KEY_GOTO] = "Goto",
  [KEY_CLEAR] = "Clear",			[KEY_POWER2] = "Power2",
  [KEY_OPTION] = "Option",		[KEY_INFO] = "Info",
  [KEY_TIME] = "Time",			[KEY_VENDOR] = "Vendor",
  [KEY_ARCHIVE] = "Archive",		[KEY_PROGRAM] = "Program",
  [KEY_CHANNEL] = "Channel",		[KEY_FAVORITES] = "Favorites",
  [KEY_EPG] = "EPG",			[KEY_PVR] = "PVR",
  [KEY_MHP] = "MHP",			[KEY_LANGUAGE] = "Language",
  [KEY_TITLE] = "Title",			[KEY_SUBTITLE] = "Subtitle",
  [KEY_ANGLE] = "Angle",			[KEY_ZOOM] = "Zoom",
  [KEY_MODE] = "Mode",			[KEY_KEYBOARD] = "Keyboard",
  [KEY_SCREEN] = "Screen",		[KEY_PC] = "PC",
  [KEY_TV] = "TV",			[KEY_TV2] = "TV2",
  [KEY_VCR] = "VCR",			[KEY_VCR2] = "VCR2",
  [KEY_SAT] = "Sat",			[KEY_SAT2] = "Sat2",
  [KEY_CD] = "CD",			[KEY_TAPE] = "Tape",
  [KEY_RADIO] = "Radio",			[KEY_TUNER] = "Tuner",
  [KEY_PLAYER] = "Player",		[KEY_TEXT] = "Text",
  [KEY_DVD] = "DVD",			[KEY_AUX] = "Aux",
  [KEY_MP3] = "MP3",			[KEY_AUDIO] = "Audio",
  [KEY_VIDEO] = "Video",			[KEY_DIRECTORY] = "Directory",
  [KEY_LIST] = "List",			[KEY_MEMO] = "Memo",
  [KEY_CALENDAR] = "Calendar",		[KEY_RED] = "Red",
  [KEY_GREEN] = "Green",			[KEY_YELLOW] = "Yellow",
  [KEY_BLUE] = "Blue",			[KEY_CHANNELUP] = "ChannelUp",
  [KEY_CHANNELDOWN] = "ChannelDown",	[KEY_FIRST] = "First",
  [KEY_LAST] = "Last",			[KEY_AB] = "AB",
  [KEY_NEXT] = "Next",			[KEY_RESTART] = "Restart",
  [KEY_SLOW] = "Slow",			[KEY_SHUFFLE] = "Shuffle",
  [KEY_BREAK] = "Break",			[KEY_PREVIOUS] = "Previous",
  [KEY_DIGITS] = "Digits",		[KEY_TEEN] = "TEEN",
  [KEY_TWEN] = "TWEN",			[KEY_DEL_EOL] = "Delete EOL",
  [KEY_DEL_EOS] = "Delete EOS",		[KEY_INS_LINE] = "Insert line",
  [KEY_DEL_LINE] = "Delete line",
};

char *absval[5] = { "Value", "Min  ", "Max  ", "Fuzz ", "Flat " };

char *relatives[REL_MAX + 1] = {
  [0 ... REL_MAX] = NULL,
  [REL_X] = "X",			[REL_Y] = "Y",
  [REL_Z] = "Z",			[REL_HWHEEL] = "HWheel",
  [REL_DIAL] = "Dial",		[REL_WHEEL] = "Wheel", 
  [REL_MISC] = "Misc",	
};

char *absolutes[ABS_MAX + 1] = {
  [0 ... ABS_MAX] = NULL,
  [ABS_X] = "X",			[ABS_Y] = "Y",
  [ABS_Z] = "Z",			[ABS_RX] = "Rx",
  [ABS_RY] = "Ry",		[ABS_RZ] = "Rz",
  [ABS_THROTTLE] = "Throttle",	[ABS_RUDDER] = "Rudder",
  [ABS_WHEEL] = "Wheel",		[ABS_GAS] = "Gas",
  [ABS_BRAKE] = "Brake",		[ABS_HAT0X] = "Hat0X",
  [ABS_HAT0Y] = "Hat0Y",		[ABS_HAT1X] = "Hat1X",
  [ABS_HAT1Y] = "Hat1Y",		[ABS_HAT2X] = "Hat2X",
  [ABS_HAT2Y] = "Hat2Y",		[ABS_HAT3X] = "Hat3X",
  [ABS_HAT3Y] = "Hat 3Y",		[ABS_PRESSURE] = "Pressure",
  [ABS_DISTANCE] = "Distance",	[ABS_TILT_X] = "XTilt",
  [ABS_TILT_Y] = "YTilt",		[ABS_TOOL_WIDTH] = "Tool Width",
  [ABS_VOLUME] = "Volume",	[ABS_MISC] = "Misc",
};

char *misc[MSC_MAX + 1] = {
  [ 0 ... MSC_MAX] = NULL,
  [MSC_SERIAL] = "Serial",	[MSC_PULSELED] = "Pulseled",
  [MSC_GESTURE] = "Gesture",	[MSC_RAW] = "RawData",
  [MSC_SCAN] = "ScanCode",
};

char *leds[LED_MAX + 1] = {
  [0 ... LED_MAX] = NULL,
  [LED_NUML] = "NumLock",		[LED_CAPSL] = "CapsLock", 
  [LED_SCROLLL] = "ScrollLock",	[LED_COMPOSE] = "Compose",
  [LED_KANA] = "Kana",		[LED_SLEEP] = "Sleep", 
  [LED_SUSPEND] = "Suspend",	[LED_MUTE] = "Mute",
  [LED_MISC] = "Misc",
};

char *repeats[REP_MAX + 1] = {
  [0 ... REP_MAX] = NULL,
  [REP_DELAY] = "Delay",		[REP_PERIOD] = "Period"
};

char *sounds[SND_MAX + 1] = {
  [0 ... SND_MAX] = NULL,
  [SND_CLICK] = "Click",		[SND_BELL] = "Bell",
  [SND_TONE] = "Tone"
};

char **names[EV_MAX + 1] = {
  [0 ... EV_MAX] = NULL,
  [EV_SYN] = events,			[EV_KEY] = keys,
  [EV_REL] = relatives,			[EV_ABS] = absolutes,
  [EV_MSC] = misc,			[EV_LED] = leds,
  [EV_SND] = sounds,			[EV_REP] = repeats,
};

#define BITS_PER_LONG (sizeof(long) * 8)
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define OFF(x)  ((x)%BITS_PER_LONG)
#define BIT(x)  (1UL<<OFF(x))
#define LONG(x) ((x)/BITS_PER_LONG)
#define test_bit(bit, array)	((array[LONG(bit)] >> OFF(bit)) & 1)

int main (int argc, char **argv)
{
  int fd, rd, i, j, k;
  struct input_event ev[64];
  int version;
  unsigned short id[4];
  unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
  char name[256] = "Unknown";
  int abs[5];
  char * device_name = "/dev/input/event0";


  if ((fd = open(device_name, O_RDONLY)) < 0) {
    perror("evtest");
    return 1;
  }

  if (ioctl(fd, EVIOCGVERSION, &version)) {
    perror("evtest: can't get version");
    return 1;
  }

  ioctl(fd, EVIOCGID, id);

  ioctl(fd, EVIOCGNAME(sizeof(name)), name);

  memset(bit, 0, sizeof(bit));
  ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]);


  while (1) {
    rd = read(fd, ev, sizeof(struct input_event) * 64);

    if (rd < (int) sizeof(struct input_event)) {
      printf("yyy\n");
      perror("\nevtest: error reading");
    }

    for (i = 0; i < rd / sizeof(struct input_event); i++) {

      if (ev[i].type == EV_MSC && (ev[i].code == MSC_RAW || ev[i].code == MSC_SCAN)) {
        printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %02x\n",
            ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
            events[ev[i].type] ? events[ev[i].type] : "?",
            ev[i].code,
            names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
            ev[i].value);
      } else {
        printf("Event: time %ld.%06ld, code %d, value %d\n",
            ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].code, ev[i].value);
        printf("Value is %d\n", ev[i].value);
        if ((int)ev[1].value == 1) {
          printf("Value is 1\n");
          if ((int)ev[1].code == 305) {
            printf("Dump of Data should occour\n");
          } else if ((int)ev[1].code == 304) {
            printf("Silencing beeper\n");
          }
        }
      }	
    }
  }
}