yh@hyh-OptiPlex-9020:~/workspace/test/test_app_ts/app/ts$ cat evtest.c
#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
#endifchar *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)];//1f 2ff*8   //char name[256] = "Unknown";int abs[5];if (argc < 2) {printf("Usage: evtest /dev/input/eventX\n");printf("Where X = input device number\n");return 1;}if ((fd = open(argv[argc - 1], O_RDONLY)) < 0) {perror("evtest");return 1;}if (ioctl(fd, EVIOCGVERSION, &version)) {perror("evtest: can't get version");return 1;}printf("Input driver version is %d.%d.%d\n",version >> 16, (version >> 8) & 0xff, version & 0xff);ioctl(fd, EVIOCGID, id);printf("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x\n",id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);ioctl(fd, EVIOCGNAME(sizeof(name)), name);printf("Input device name: \"%s\"\n", name);memset(bit, 0, sizeof(bit));ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]);printf("Supported events:\n");for (i = 0; i < EV_MAX; i++)if (test_bit(i, bit[0])) {printf(" Event type %d (%s)\n", i, events[i] ? events[i] : "?");if (!i) continue;ioctl(fd, EVIOCGBIT(i, KEY_MAX), bit[i]);for (j = 0; j < KEY_MAX; j++)if (test_bit(j, bit[i])) {printf(" Event code %d (%s)\n", j, names[i] ? (names[i][j] ? names[i][j] : "?") : "?");if (i == EV_ABS) {ioctl(fd, EVIOCGABS(j), abs);for (k = 0; k < 5; k++)if ((k < 3) || abs[k])printf(" %s %6d\n", absval[k], abs[k]);}}}printf("Testing ... (interrupt to exit)\n");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");return 1;}for (i = 0; i < rd / sizeof(struct input_event); i++)if (ev[i].type == EV_SYN) {printf("Event: time %ld.%06ld, -------------- %s ------------\n",ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].code ? "Config Sync" : "Report Sync" );} else 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",printf("xxxxxxxxxxxxxxxEvent: 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);//add hyh} else if (ev[i].type == EV_KEY || ev[i].type == EV_ABS) {printf("++++++++++++++++++Event: time %ld.%06ld, type %d (%s), code %d (%s), value %d\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, type %d (%s), code %d (%s), value %d\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);}    }
}hyh@hyh-OptiPlex-9020:~/workspace/test/test_app_ts/app/ts$