tests/evtest.c

   1 /*
   2  * $Id: evtest.c,v 1.23 2005/02/06 13:51:42 vojtech Exp $
   3  *
   4  *  Copyright (c) 1999-2000 Vojtech Pavlik
   5  *
   6  *  Event device test program
   7  */
   8
   9 /*
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  23  *
  24  * Should you need to contact me, the author, you can do so either by
  25  * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
  26  * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
  27  */
  28
  29 #include <stdint.h>
  30
  31 #include <linux/input.h>
  32
  33 #include <string.h>
  34 #include <fcntl.h>
  35 #include <unistd.h>
  36 #include <stdio.h>
  37
  38 #ifndef EV_SYN
  39 #define EV_SYN 0
  40 #endif
  41
  42 char *events[EV_MAX + 1] = {
  43         [0 ... EV_MAX] = NULL,
  44         [EV_SYN] = "Sync",                      [EV_KEY] = "Key",
  45         [EV_REL] = "Relative",                  [EV_ABS] = "Absolute",
  46         [EV_MSC] = "Misc",                      [EV_LED] = "LED",
  47         [EV_SND] = "Sound",                     [EV_REP] = "Repeat",
  48         [EV_FF] = "ForceFeedback",              [EV_PWR] = "Power",
  49         [EV_FF_STATUS] = "ForceFeedbackStatus", [EV_SW] = "Switch",
  50 };
  51
  52 char *keys[KEY_MAX + 1] = {
  53         [0 ... KEY_MAX] = NULL,
  54         [KEY_RESERVED] = "Reserved",            [KEY_ESC] = "Esc",
  55         [KEY_1] = "1",                          [KEY_2] = "2",
  56         [KEY_3] = "3",                          [KEY_4] = "4",
  57         [KEY_5] = "5",                          [KEY_6] = "6",
  58         [KEY_7] = "7",                          [KEY_8] = "8",
  59         [KEY_9] = "9",                          [KEY_0] = "0",
  60         [KEY_MINUS] = "Minus",                  [KEY_EQUAL] = "Equal",
  61         [KEY_BACKSPACE] = "Backspace",          [KEY_TAB] = "Tab",
  62         [KEY_Q] = "Q",                          [KEY_W] = "W",
  63         [KEY_E] = "E",                          [KEY_R] = "R",
  64         [KEY_T] = "T",                          [KEY_Y] = "Y",
  65         [KEY_U] = "U",                          [KEY_I] = "I",
  66         [KEY_O] = "O",                          [KEY_P] = "P",
  67         [KEY_LEFTBRACE] = "LeftBrace",          [KEY_RIGHTBRACE] = "RightBrace",
  68         [KEY_ENTER] = "Enter",                  [KEY_LEFTCTRL] = "LeftControl",
  69         [KEY_A] = "A",                          [KEY_S] = "S",
  70         [KEY_D] = "D",                          [KEY_F] = "F",
  71         [KEY_G] = "G",                          [KEY_H] = "H",
  72         [KEY_J] = "J",                          [KEY_K] = "K",
  73         [KEY_L] = "L",                          [KEY_SEMICOLON] = "Semicolon",
  74         [KEY_APOSTROPHE] = "Apostrophe",        [KEY_GRAVE] = "Grave",
  75         [KEY_LEFTSHIFT] = "LeftShift",          [KEY_BACKSLASH] = "BackSlash",
  76         [KEY_Z] = "Z",                          [KEY_X] = "X",
  77         [KEY_C] = "C",                          [KEY_V] = "V",
  78         [KEY_B] = "B",                          [KEY_N] = "N",
  79         [KEY_M] = "M",                          [KEY_COMMA] = "Comma",
  80         [KEY_DOT] = "Dot",                      [KEY_SLASH] = "Slash",
  81         [KEY_RIGHTSHIFT] = "RightShift",        [KEY_KPASTERISK] = "KPAsterisk",
  82         [KEY_LEFTALT] = "LeftAlt",              [KEY_SPACE] = "Space",
  83         [KEY_CAPSLOCK] = "CapsLock",            [KEY_F1] = "F1",
  84         [KEY_F2] = "F2",                        [KEY_F3] = "F3",
  85         [KEY_F4] = "F4",                        [KEY_F5] = "F5",
  86         [KEY_F6] = "F6",                        [KEY_F7] = "F7",
  87         [KEY_F8] = "F8",                        [KEY_F9] = "F9",
  88         [KEY_F10] = "F10",                      [KEY_NUMLOCK] = "NumLock",
  89         [KEY_SCROLLLOCK] = "ScrollLock",        [KEY_KP7] = "KP7",
  90         [KEY_KP8] = "KP8",                      [KEY_KP9] = "KP9",
  91         [KEY_KPMINUS] = "KPMinus",              [KEY_KP4] = "KP4",
  92         [KEY_KP5] = "KP5",                      [KEY_KP6] = "KP6",
  93         [KEY_KPPLUS] = "KPPlus",                [KEY_KP1] = "KP1",
  94         [KEY_KP2] = "KP2",                      [KEY_KP3] = "KP3",
  95         [KEY_KP0] = "KP0",                      [KEY_KPDOT] = "KPDot",
  96         [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd",
  97         [KEY_F11] = "F11",                      [KEY_F12] = "F12",
  98         [KEY_RO] = "RO",                        [KEY_KATAKANA] = "Katakana",
  99         [KEY_HIRAGANA] = "HIRAGANA",            [KEY_HENKAN] = "Henkan",
 100         [KEY_KATAKANAHIRAGANA] = "Katakana/Hiragana", [KEY_MUHENKAN] = "Muhenkan",
 101         [KEY_KPJPCOMMA] = "KPJpComma",          [KEY_KPENTER] = "KPEnter",
 102         [KEY_RIGHTCTRL] = "RightCtrl",          [KEY_KPSLASH] = "KPSlash",
 103         [KEY_SYSRQ] = "SysRq",                  [KEY_RIGHTALT] = "RightAlt",
 104         [KEY_LINEFEED] = "LineFeed",            [KEY_HOME] = "Home",
 105         [KEY_UP] = "Up",                        [KEY_PAGEUP] = "PageUp",
 106         [KEY_LEFT] = "Left",                    [KEY_RIGHT] = "Right",
 107         [KEY_END] = "End",                      [KEY_DOWN] = "Down",
 108         [KEY_PAGEDOWN] = "PageDown",            [KEY_INSERT] = "Insert",
 109         [KEY_DELETE] = "Delete",                [KEY_MACRO] = "Macro",
 110         [KEY_MUTE] = "Mute",                    [KEY_VOLUMEDOWN] = "VolumeDown",
 111         [KEY_VOLUMEUP] = "VolumeUp",            [KEY_POWER] = "Power",
 112         [KEY_KPEQUAL] = "KPEqual",              [KEY_KPPLUSMINUS] = "KPPlusMinus",
 113         [KEY_PAUSE] = "Pause",                  [KEY_KPCOMMA] = "KPComma",
 114         [KEY_HANGUEL] = "Hanguel",              [KEY_HANJA] = "Hanja",
 115         [KEY_YEN] = "Yen",                      [KEY_LEFTMETA] = "LeftMeta",
 116         [KEY_RIGHTMETA] = "RightMeta",          [KEY_COMPOSE] = "Compose",
 117         [KEY_STOP] = "Stop",                    [KEY_AGAIN] = "Again",
 118         [KEY_PROPS] = "Props",                  [KEY_UNDO] = "Undo",
 119         [KEY_FRONT] = "Front",                  [KEY_COPY] = "Copy",
 120         [KEY_OPEN] = "Open",                    [KEY_PASTE] = "Paste",
 121         [KEY_FIND] = "Find",                    [KEY_CUT] = "Cut",
 122         [KEY_HELP] = "Help",                    [KEY_MENU] = "Menu",
 123         [KEY_CALC] = "Calc",                    [KEY_SETUP] = "Setup",
 124         [KEY_SLEEP] = "Sleep",                  [KEY_WAKEUP] = "WakeUp",
 125         [KEY_FILE] = "File",                    [KEY_SENDFILE] = "SendFile",
 126         [KEY_DELETEFILE] = "DeleteFile",        [KEY_XFER] = "X-fer",
 127         [KEY_PROG1] = "Prog1",                  [KEY_PROG2] = "Prog2",
 128         [KEY_WWW] = "WWW",                      [KEY_MSDOS] = "MSDOS",
 129         [KEY_COFFEE] = "Coffee",                [KEY_DIRECTION] = "Direction",
 130         [KEY_CYCLEWINDOWS] = "CycleWindows",    [KEY_MAIL] = "Mail",
 131         [KEY_BOOKMARKS] = "Bookmarks",          [KEY_COMPUTER] = "Computer",
 132         [KEY_BACK] = "Back",                    [KEY_FORWARD] = "Forward",
 133         [KEY_CLOSECD] = "CloseCD",              [KEY_EJECTCD] = "EjectCD",
 134         [KEY_EJECTCLOSECD] = "EjectCloseCD",    [KEY_NEXTSONG] = "NextSong",
 135         [KEY_PLAYPAUSE] = "PlayPause",          [KEY_PREVIOUSSONG] = "PreviousSong",
 136         [KEY_STOPCD] = "StopCD",                [KEY_RECORD] = "Record",
 137         [KEY_REWIND] = "Rewind",                [KEY_PHONE] = "Phone",
 138         [KEY_ISO] = "ISOKey",                   [KEY_CONFIG] = "Config",
 139         [KEY_HOMEPAGE] = "HomePage",            [KEY_REFRESH] = "Refresh",
 140         [KEY_EXIT] = "Exit",                    [KEY_MOVE] = "Move",
 141         [KEY_EDIT] = "Edit",                    [KEY_SCROLLUP] = "ScrollUp",
 142         [KEY_SCROLLDOWN] = "ScrollDown",        [KEY_KPLEFTPAREN] = "KPLeftParenthesis",
 143         [KEY_KPRIGHTPAREN] = "KPRightParenthesis", [KEY_F13] = "F13",
 144         [KEY_F14] = "F14",                      [KEY_F15] = "F15",
 145         [KEY_F16] = "F16",                      [KEY_F17] = "F17",
 146         [KEY_F18] = "F18",                      [KEY_F19] = "F19",
 147         [KEY_F20] = "F20",                      [KEY_F21] = "F21",
 148         [KEY_F22] = "F22",                      [KEY_F23] = "F23",
 149         [KEY_F24] = "F24",                      [KEY_PLAYCD] = "PlayCD",
 150         [KEY_PAUSECD] = "PauseCD",              [KEY_PROG3] = "Prog3",
 151         [KEY_PROG4] = "Prog4",                  [KEY_SUSPEND] = "Suspend",
 152         [KEY_CLOSE] = "Close",                  [KEY_PLAY] = "Play",
 153         [KEY_FASTFORWARD] = "Fast Forward",     [KEY_BASSBOOST] = "Bass Boost",
 154         [KEY_PRINT] = "Print",                  [KEY_HP] = "HP",
 155         [KEY_CAMERA] = "Camera",                [KEY_SOUND] = "Sound",
 156         [KEY_QUESTION] = "Question",            [KEY_EMAIL] = "Email",
 157         [KEY_CHAT] = "Chat",                    [KEY_SEARCH] = "Search",
 158         [KEY_CONNECT] = "Connect",              [KEY_FINANCE] = "Finance",
 159         [KEY_SPORT] = "Sport",                  [KEY_SHOP] = "Shop",
 160         [KEY_ALTERASE] = "Alternate Erase",     [KEY_CANCEL] = "Cancel",
 161         [KEY_BRIGHTNESSDOWN] = "Brightness down", [KEY_BRIGHTNESSUP] = "Brightness up",
 162         [KEY_MEDIA] = "Media",                  [KEY_UNKNOWN] = "Unknown",
 163         [BTN_0] = "Btn0",                       [BTN_1] = "Btn1",
 164         [BTN_2] = "Btn2",                       [BTN_3] = "Btn3",
 165         [BTN_4] = "Btn4",                       [BTN_5] = "Btn5",
 166         [BTN_6] = "Btn6",                       [BTN_7] = "Btn7",
 167         [BTN_8] = "Btn8",                       [BTN_9] = "Btn9",
 168         [BTN_LEFT] = "LeftBtn",                 [BTN_RIGHT] = "RightBtn",
 169         [BTN_MIDDLE] = "MiddleBtn",             [BTN_SIDE] = "SideBtn",
 170         [BTN_EXTRA] = "ExtraBtn",               [BTN_FORWARD] = "ForwardBtn",
 171         [BTN_BACK] = "BackBtn",                 [BTN_TASK] = "TaskBtn",
 172         [BTN_TRIGGER] = "Trigger",              [BTN_THUMB] = "ThumbBtn",
 173         [BTN_THUMB2] = "ThumbBtn2",             [BTN_TOP] = "TopBtn",
 174         [BTN_TOP2] = "TopBtn2",                 [BTN_PINKIE] = "PinkieBtn",
 175         [BTN_BASE] = "BaseBtn",                 [BTN_BASE2] = "BaseBtn2",
 176         [BTN_BASE3] = "BaseBtn3",               [BTN_BASE4] = "BaseBtn4",
 177         [BTN_BASE5] = "BaseBtn5",               [BTN_BASE6] = "BaseBtn6",
 178         [BTN_DEAD] = "BtnDead",                 [BTN_A] = "BtnA",
 179         [BTN_B] = "BtnB",                       [BTN_C] = "BtnC",
 180         [BTN_X] = "BtnX",                       [BTN_Y] = "BtnY",
 181         [BTN_Z] = "BtnZ",                       [BTN_TL] = "BtnTL",
 182         [BTN_TR] = "BtnTR",                     [BTN_TL2] = "BtnTL2",
 183         [BTN_TR2] = "BtnTR2",                   [BTN_SELECT] = "BtnSelect",
 184         [BTN_START] = "BtnStart",               [BTN_MODE] = "BtnMode",
 185         [BTN_THUMBL] = "BtnThumbL",             [BTN_THUMBR] = "BtnThumbR",
 186         [BTN_TOOL_PEN] = "ToolPen",             [BTN_TOOL_RUBBER] = "ToolRubber",
 187         [BTN_TOOL_BRUSH] = "ToolBrush",         [BTN_TOOL_PENCIL] = "ToolPencil",
 188         [BTN_TOOL_AIRBRUSH] = "ToolAirbrush",   [BTN_TOOL_FINGER] = "ToolFinger",
 189         [BTN_TOOL_MOUSE] = "ToolMouse",         [BTN_TOOL_LENS] = "ToolLens",
 190         [BTN_TOUCH] = "Touch",                  [BTN_STYLUS] = "Stylus",
 191         [BTN_STYLUS2] = "Stylus2",              [BTN_TOOL_DOUBLETAP] = "Tool Doubletap",
 192         [BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn",
 193         [BTN_GEAR_UP] = "Gear up",              [KEY_OK] = "Ok",
 194         [KEY_SELECT] = "Select",                [KEY_GOTO] = "Goto",
 195         [KEY_CLEAR] = "Clear",                  [KEY_POWER2] = "Power2",
 196         [KEY_OPTION] = "Option",                [KEY_INFO] = "Info",
 197         [KEY_TIME] = "Time",                    [KEY_VENDOR] = "Vendor",
 198         [KEY_ARCHIVE] = "Archive",              [KEY_PROGRAM] = "Program",
 199         [KEY_CHANNEL] = "Channel",              [KEY_FAVORITES] = "Favorites",
 200         [KEY_EPG] = "EPG",                      [KEY_PVR] = "PVR",
 201         [KEY_MHP] = "MHP",                      [KEY_LANGUAGE] = "Language",
 202         [KEY_TITLE] = "Title",                  [KEY_SUBTITLE] = "Subtitle",
 203         [KEY_ANGLE] = "Angle",                  [KEY_ZOOM] = "Zoom",
 204         [KEY_MODE] = "Mode",                    [KEY_KEYBOARD] = "Keyboard",
 205         [KEY_SCREEN] = "Screen",                [KEY_PC] = "PC",
 206         [KEY_TV] = "TV",                        [KEY_TV2] = "TV2",
 207         [KEY_VCR] = "VCR",                      [KEY_VCR2] = "VCR2",
 208         [KEY_SAT] = "Sat",                      [KEY_SAT2] = "Sat2",
 209         [KEY_CD] = "CD",                        [KEY_TAPE] = "Tape",
 210         [KEY_RADIO] = "Radio",                  [KEY_TUNER] = "Tuner",
 211         [KEY_PLAYER] = "Player",                [KEY_TEXT] = "Text",
 212         [KEY_DVD] = "DVD",                      [KEY_AUX] = "Aux",
 213         [KEY_MP3] = "MP3",                      [KEY_AUDIO] = "Audio",
 214         [KEY_VIDEO] = "Video",                  [KEY_DIRECTORY] = "Directory",
 215         [KEY_LIST] = "List",                    [KEY_MEMO] = "Memo",
 216         [KEY_CALENDAR] = "Calendar",            [KEY_RED] = "Red",
 217         [KEY_GREEN] = "Green",                  [KEY_YELLOW] = "Yellow",
 218         [KEY_BLUE] = "Blue",                    [KEY_CHANNELUP] = "ChannelUp",
 219         [KEY_CHANNELDOWN] = "ChannelDown",      [KEY_FIRST] = "First",
 220         [KEY_LAST] = "Last",                    [KEY_AB] = "AB",
 221         [KEY_NEXT] = "Next",                    [KEY_RESTART] = "Restart",
 222         [KEY_SLOW] = "Slow",                    [KEY_SHUFFLE] = "Shuffle",
 223         [KEY_BREAK] = "Break",                  [KEY_PREVIOUS] = "Previous",
 224         [KEY_DIGITS] = "Digits",                [KEY_TEEN] = "TEEN",
 225         [KEY_TWEN] = "TWEN",                    [KEY_DEL_EOL] = "Delete EOL",
 226         [KEY_DEL_EOS] = "Delete EOS",           [KEY_INS_LINE] = "Insert line",
 227         [KEY_DEL_LINE] = "Delete line",
 228 };
 229
 230 char *absval[5] = { "Value", "Min  ", "Max  ", "Fuzz ", "Flat " };
 231
 232 char *relatives[REL_MAX + 1] = {
 233         [0 ... REL_MAX] = NULL,
 234         [REL_X] = "X",                  [REL_Y] = "Y",
 235         [REL_Z] = "Z",                  [REL_HWHEEL] = "HWheel",
 236         [REL_DIAL] = "Dial",            [REL_WHEEL] = "Wheel",
 237         [REL_MISC] = "Misc",
 238 };
 239
 240 char *absolutes[ABS_MAX + 1] = {
 241         [0 ... ABS_MAX] = NULL,
 242         [ABS_X] = "X",                  [ABS_Y] = "Y",
 243         [ABS_Z] = "Z",                  [ABS_RX] = "Rx",
 244         [ABS_RY] = "Ry",                [ABS_RZ] = "Rz",
 245         [ABS_THROTTLE] = "Throttle",    [ABS_RUDDER] = "Rudder",
 246         [ABS_WHEEL] = "Wheel",          [ABS_GAS] = "Gas",
 247         [ABS_BRAKE] = "Brake",          [ABS_HAT0X] = "Hat0X",
 248         [ABS_HAT0Y] = "Hat0Y",          [ABS_HAT1X] = "Hat1X",
 249         [ABS_HAT1Y] = "Hat1Y",          [ABS_HAT2X] = "Hat2X",
 250         [ABS_HAT2Y] = "Hat2Y",          [ABS_HAT3X] = "Hat3X",
 251         [ABS_HAT3Y] = "Hat 3Y",         [ABS_PRESSURE] = "Pressure",
 252         [ABS_DISTANCE] = "Distance",    [ABS_TILT_X] = "XTilt",
 253         [ABS_TILT_Y] = "YTilt",         [ABS_TOOL_WIDTH] = "Tool Width",
 254         [ABS_VOLUME] = "Volume",        [ABS_MISC] = "Misc",
 255 };
 256
 257 char *misc[MSC_MAX + 1] = {
 258         [ 0 ... MSC_MAX] = NULL,
 259         [MSC_SERIAL] = "Serial",        [MSC_PULSELED] = "Pulseled",
 260         [MSC_GESTURE] = "Gesture",      [MSC_RAW] = "RawData",
 261         [MSC_SCAN] = "ScanCode",
 262 };
 263
 264 char *leds[LED_MAX + 1] = {
 265         [0 ... LED_MAX] = NULL,
 266         [LED_NUML] = "NumLock",         [LED_CAPSL] = "CapsLock",
 267         [LED_SCROLLL] = "ScrollLock",   [LED_COMPOSE] = "Compose",
 268         [LED_KANA] = "Kana",            [LED_SLEEP] = "Sleep",
 269         [LED_SUSPEND] = "Suspend",      [LED_MUTE] = "Mute",
 270         [LED_MISC] = "Misc",
 271 };
 272
 273 char *switch_[SW_MAX + 1] = {
 274         [0 ... SW_MAX] = NULL,
 275         [SW_LID] = "LidShut",           [SW_TABLET_MODE] = "TabletMode",
 276         [SW_HEADPHONE_INSERT] = "HeadphoneInsert", [SW_RADIO] = "RadioEnabled",
 277 };
 278
 279 char *repeats[REP_MAX + 1] = {
 280         [0 ... REP_MAX] = NULL,
 281         [REP_DELAY] = "Delay",          [REP_PERIOD] = "Period"
 282 };
 283
 284 char *sounds[SND_MAX + 1] = {
 285         [0 ... SND_MAX] = NULL,
 286         [SND_CLICK] = "Click",          [SND_BELL] = "Bell",
 287         [SND_TONE] = "Tone"
 288 };
 289
 290 char **names[EV_MAX + 1] = {
 291         [0 ... EV_MAX] = NULL,
 292         [EV_SYN] = events,                      [EV_KEY] = keys,
 293         [EV_REL] = relatives,                   [EV_ABS] = absolutes,
 294         [EV_MSC] = misc,                        [EV_LED] = leds,
 295         [EV_SND] = sounds,                      [EV_REP] = repeats,
 296         [EV_SW] = switch_,
 297 };
 298
 299 #define BITS_PER_LONG (sizeof(long) * 8)
 300 #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
 301 #define OFF(x)  ((x)%BITS_PER_LONG)
 302 #define BIT(x)  (1UL<<OFF(x))
 303 #define LONG(x) ((x)/BITS_PER_LONG)
 304 #define test_bit(bit, array)    ((array[LONG(bit)] >> OFF(bit)) & 1)
 305
 306 int main (int argc, char **argv)
 307 {
 308         int fd, rd, i, j, k;
 309         struct input_event ev[64];
 310         int version;
 311         unsigned short id[4];
 312         unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
 313         char name[256] = "Unknown";
 314         int abs[5];
 315
 316         if (argc < 2) {
 317                 printf("Usage: evtest /dev/input/eventX\n");
 318                 printf("Where X = input device number\n");
 319                 return 1;
 320         }
 321
 322         if ((fd = open(argv[argc - 1], O_RDONLY)) < 0) {
 323                 perror("evtest");
 324                 return 1;
 325         }
 326
 327         if (ioctl(fd, EVIOCGVERSION, &version)) {
 328                 perror("evtest: can't get version");
 329                 return 1;
 330         }
 331
 332         printf("Input driver version is %d.%d.%d\n",
 333                 version >> 16, (version >> 8) & 0xff, version & 0xff);
 334
 335         ioctl(fd, EVIOCGID, id);
 336         printf("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x\n",
 337                 id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);
 338
 339         ioctl(fd, EVIOCGNAME(sizeof(name)), name);
 340         printf("Input device name: \"%s\"\n", name);
 341
 342         memset(bit, 0, sizeof(bit));
 343         ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]);
 344         printf("Supported events:\n");
 345
 346         for (i = 0; i < EV_MAX; i++)
 347                 if (test_bit(i, bit[0])) {
 348                         printf("  Event type %d (%s)\n", i, events[i] ? events[i] : "?");
 349                         if (!i) continue;
 350                         ioctl(fd, EVIOCGBIT(i, KEY_MAX), bit[i]);
 351                         for (j = 0; j < KEY_MAX; j++)
 352                                 if (test_bit(j, bit[i])) {
 353                                         printf("    Event code %d (%s)\n", j, names[i] ? (names[i][j] ? names[i][j] : "?") : "?");
 354                                         if (i == EV_ABS) {
 355                                                 ioctl(fd, EVIOCGABS(j), abs);
 356                                                 for (k = 0; k < 5; k++)
 357                                                         if ((k < 3) || abs[k])
 358                                                                 printf("      %s %6d\n", absval[k], abs[k]);
 359                                         }
 360                                 }
 361                 }
 362
 363
 364         printf("Testing ... (interrupt to exit)\n");
 365
 366         while (1) {
 367                 rd = read(fd, ev, sizeof(struct input_event) * 64);
 368
 369                 if (rd < (int) sizeof(struct input_event)) {
 370                         perror("\nevtest: error reading");
 371                         return 1;
 372                 }
 373
 374                 for (i = 0; i < rd / sizeof(struct input_event); i++)
 375
 376                         if (ev[i].type == EV_SYN) {
 377                                 printf("Event: time %ld.%06ld, -------------- %s ------------\n",
 378                                         ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].code ? "Config Sync" : "Report Sync" );
 379                         } else if (ev[i].type == EV_MSC && (ev[i].code == MSC_RAW || ev[i].code == MSC_SCAN)) {
 380                                 printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %02x\n",
 381                                         ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
 382                                         events[ev[i].type] ? events[ev[i].type] : "?",
 383                                         ev[i].code,
 384                                         names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
 385                                         ev[i].value);
 386                         } else {
 387                                 printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %d\n",
 388                                         ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
 389                                         events[ev[i].type] ? events[ev[i].type] : "?",
 390                                         ev[i].code,
 391                                         names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
 392                                         ev[i].value);
 393                         }
 394                 fflush(stdout);
 395         }
 396 }
 397
 398