1 /*
2 * $Id: evtest.c,v 1.3 2005/08/15 20:43:52 js 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 <linux/input.h>
30
31 #include <string.h>
32 #include <fcntl.h>
33 #include <unistd.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36
37 char *events[EV_MAX + 1] = { "Sync", "Key", "Relative", "Absolute", "Misc", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
38 NULL, NULL, NULL, "LED", "Sound", NULL, "Repeat", "ForceFeedback", "Power", "ForceFeedbackStatus"};
39 char *syncs[2] = { "Sync", "Config"};
40 char *keys[KEY_MAX + 1] = {
41 // 0x000
42 "Reserved", "Esc", "1", "2", "3", "4", "5", "6",
43 "7", "8", "9", "0", "Minus", "Equal", "Backspace", "Tab",
44 // 0x010
45 "Q", "W", "E", "R", "T", "Y", "U", "I",
46 "O", "P", "LeftBrace", "RightBrace", "Enter", "LeftControl", "A", "S",
47 // 0x020
48 "D", "F", "G", "H", "J", "K", "L", "Semicolon",
49 "Apostrophe", "Grave", "LeftShift", "BackSlash", "Z", "X", "C", "V",
50 // 0x030
51 "B", "N", "M", "Comma", "Dot", "Slash", "RightShift", "KPAsterisk",
52 "LeftAlt", "Space", "CapsLock", "F1", "F2", "F3", "F4", "F5",
53 // 0x040
54 "F6", "F7", "F8", "F9", "F10", "NumLock", "ScrollLock", "KP7",
55 "KP8", "KP9", "KPMinus", "KP4", "KP5", "KP6", "KPPlus", "KP1",
56 // 0x050
57 "KP2", "KP3", "KP0", "KPDot", NULL, "ZENKAKUHANKAKU", "102nd", "F11",
58 "F12", "RO", "KATAKANA", "HIRAGANA", "HENKAN", "KATAKANAHIRAGANA", "MUHENKAN", "KPJPCOMMA",
59 // 0x060
60 "KPEnter", "RightCtrl", "KPSlash", "SysRq", "RightAlt", "LineFeed", "Home", "Up",
61 "PageUp", "Left", "Right", "End", "Down", "PageDown", "Insert", "Delete",
62 // 0x070
63 "Macro", "Mute", "VolumeDown", "VolumeUp", "Power", "KPEqual", "KPPlusMinus", "Pause",
64 NULL, "KPComma", "HANGUEL", "HANJA", "YEN", "LeftMeta", "RightMeta", "Compose",
65 // 0x080
66 "Stop", "Again", "Props", "Undo", "Front", "Copy", "Open", "Paste",
67 "Find", "Cut", "Help", "Menu", "Calc", "Setup", "Sleep", "WakeUp",
68 // 0x090
69 "File", "SendFile", "DeleteFile", "X-fer", "Prog1", "Prog2", "WWW", "MSDOS",
70 "Coffee", "Direction", "CycleWindows", "Mail", "Bookmarks", "Computer", "Back", "Forward",
71 // 0x0A0
72 "CloseCD", "EjectCD", "EjectCloseCD", "NextSong", "PlayPause", "PreviousSong", "StopCD", "Record",
73 "Rewind", "Phone", "ISOKey", "Config", "HomePage", "Refresh", "Exit", "Move",
74 // 0x0B0
75 "Edit", "ScrollUp", "ScrollDown", "KPLeftParenthesis", "KPRightParenthesis", NULL, NULL, "F13",
76 "F14", "F15", "F16", "F17", "F18", "F19", "F20", "F21",
77 // 0x0C0
78 "F22", "F23", "F24", NULL, NULL, NULL, NULL, NULL,
79 "PlayCD", "PauseCD", "Prog3", "Prog4", NULL, "Suspend", "Close", "Play",
80 // 0x0D0
81 "FastForward", "BassBoost", "Print", "HP", "Camera", "Sound", "Question", "EMail",
82 "Chat", "Search", "Connect", "Finance", "Sport", "Shop", "AltErase", "Cancel",
83 // 0x0E0
84 "BrightnessDown", "BrightnessUp", "Media", NULL, NULL, NULL, NULL, NULL,
85 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
86 // 0x0F0
87 "Unknown", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
88 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
89 // 0x100
90 "Btn0", "Btn1", "Btn2", "Btn3", "Btn4", "Btn5", "Btn6", "Btn7",
91 "Btn8", "Btn9", NULL, NULL, NULL, NULL, NULL, NULL,
92 // 0x110
93 "LeftBtn", "RightBtn", "MiddleBtn", "SideBtn", "ExtraBtn", "ForwardBtn", "BackBtn", "TaskBtn",
94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
95 // 0x120
96 "Trigger", "ThumbBtn", "ThumbBtn2", "TopBtn", "TopBtn2", "PinkieBtn", "BaseBtn", "BaseBtn2",
97 "BaseBtn3", "BaseBtn4", "BaseBtn5", "BaseBtn6", NULL, NULL, NULL, "BtnDead",
98 // 0x130
99 "BtnA", "BtnB", "BtnC", "BtnX", "BtnY", "BtnZ", "BtnTL", "BtnTR",
100 "BtnTL2", "BtnTR2", "BtnSelect", "BtnStart", "BtnMode", "BtnThumbL", "BtnThumbR", NULL,
101 // 0x140
102 "ToolPen", "ToolRubber", "ToolBrush", "ToolPencil", "ToolAirbrush", "ToolFinger", "ToolMouse", "ToolLens",
103 NULL, NULL, "Touch", "Stylus", "Stylus2", "ToolDoubleTap", "ToolTripleTap", NULL,
104 // 0x150
105 "GearDown", "GearUp", NULL, NULL, NULL, NULL, NULL, NULL,
106 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
107 // 0x160
108 "Ok", "Select", "Goto", "Clear", "Power2", "Option", "Info", "Time",
109 "Vendor", "Archive", "Program", "Channel", "Favorites", "EPG", "PVR", "MHP",
110 // 0x170
111 "Language", "Title", "Subtitle", "Angle", "Zoom", "Mode", "Keyboard", "Screen",
112 "PC", "TV", "TV2", "VCR", "VCR2", "Sat", "Sat2", "CD",
113 // 0x180
114 "Tape", "Radio", "Tuner", "Player", "Text", "DVD", "Aux", "MP3",
115 "Audio", "Video", "Directory", "List", "Memo", "Calendar", "Red", "Green",
116 // 0x190
117 "Yellow", "Blue", "ChannelUp", "ChannelDown", "First", "Last", "AB", "Next",
118 "Restart", "Slow", "Shuffle", "Break", "Previous", "Digits", "Teen", "Twen",
119 // 0x1A0
120 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
121 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
122 // 0x1B0
123 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
124 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
125 // 0x1C0
126 "DelEOL", "DelEOS", "InsLine", "DelLine", NULL, NULL, NULL, NULL,
127 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
128 // 0x1D0
129 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
130 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
131 // 0x1E0
132 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
133 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
134 // 0x1F0
135 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
136 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
137 };
138
139 char *absval[5] = { "Value", "Min ", "Max ", "Fuzz ", "Flat " };
140 char *relatives[REL_MAX + 1] = {
141 "X", "Y", "Z", NULL, NULL, NULL, "HWheel", "Dial",
142 "Wheel", "Misc", NULL, NULL, NULL, NULL, NULL, NULL,
143 };
144 char *absolutes[ABS_MAX + 1] = {
145 // 0x00
146 "X", "Y", "Z", "Rx", "Ry", "Rz", "Throttle", "Rudder",
147 "Wheel", "Gas", "Brake", NULL, NULL, NULL, NULL, NULL,
148 // 0x10
149 "Hat0X", "Hat0Y", "Hat1X", "Hat1Y", "Hat2X", "Hat2Y", "Hat3X", "Hat 3Y",
150 "Pressure", "Distance", "XTilt", "YTilt", "ToolWidth", NULL, NULL, NULL,
151 // 0x20
152 "Volume", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
153 "Misc", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
154 // 0x30
155 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
156 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
157 };
158 char *leds[LED_MAX + 1] = { "NumLock", "CapsLock", "ScrollLock", "Compose", "Kana", "Sleep", "Suspend", "Mute" };
159 char *repeats[REP_MAX + 1] = { "Delay", "Period" };
160 char *sounds[SND_MAX + 1] = { "Bell", "Click" };
161
162 char **names[EV_MAX + 1] = { syncs, keys, relatives, absolutes, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
163 NULL, NULL, leds, sounds, NULL, repeats, NULL, NULL, NULL };
164
165 #ifndef BITS_PER_LONG
166 #define BITS_PER_LONG (sizeof(long) * 8)
167 #endif
168 #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
169 #define OFF(x) ((x)%BITS_PER_LONG)
170 #define BIT(x) (1UL<<OFF(x))
171 #define LONG(x) ((x)/BITS_PER_LONG)
172 #define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
173
main(int argc,char ** argv)174 int main (int argc, char **argv)
175 {
176 int fd, rd, i, j, k;
177 struct input_event ev[64];
178 int version;
179 unsigned short id[4];
180 unsigned long bit[EV_MAX][NBITS(KEY_MAX)];
181 char name[256] = "Unknown";
182 int _abs[5];
183
184 if (argc < 2) {
185 printf("Usage: evtest /dev/input/eventX\n");
186 printf("Where X = input device number\n");
187 exit(1);
188 }
189
190 if ((fd = open(argv[argc - 1], O_RDONLY)) < 0) {
191 perror("evtest");
192 exit(1);
193 }
194
195 if (ioctl(fd, EVIOCGVERSION, &version)) {
196 perror("evtest: can't get version");
197 exit(1);
198 }
199
200 printf("Input driver version is %d.%d.%d\n",
201 version >> 16, (version >> 8) & 0xff, version & 0xff);
202
203 ioctl(fd, EVIOCGID, id);
204 printf("Input device ID: bus 0x%x vendor 0x%x product 0x%x version 0x%x\n",
205 id[ID_BUS], id[ID_VENDOR], id[ID_PRODUCT], id[ID_VERSION]);
206
207 ioctl(fd, EVIOCGNAME(sizeof(name)), name);
208 printf("Input device name: \"%s\"\n", name);
209
210 memset(bit, 0, sizeof(bit));
211 ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]);
212 printf("Supported events:\n");
213
214 for (i = 0; i < EV_MAX; i++)
215 if (test_bit(i, bit[0])) {
216 printf(" Event type %d (%s)\n", i, events[i] ? events[i] : "?");
217 ioctl(fd, EVIOCGBIT(i, KEY_MAX), bit[i]);
218 for (j = 0; j < KEY_MAX; j++)
219 if (test_bit(j, bit[i])) {
220 printf(" Event code %d (%s)\n", j, names[i] ? (names[i][j] ? names[i][j] : "?") : "?");
221 if (i == EV_ABS) {
222 ioctl(fd, EVIOCGABS(j), _abs);
223 for (k = 0; k < 5; k++)
224 if ((k < 3) || _abs[k])
225 printf(" %s %6d\n", absval[k], _abs[k]);
226 }
227 }
228 }
229
230
231 printf("Testing ... (interrupt to exit)\n");
232
233 while (1) {
234 rd = read(fd, ev, sizeof(struct input_event) * 64);
235
236 if (rd < (int) sizeof(struct input_event)) {
237 printf("yyy\n");
238 perror("\nevtest: error reading");
239 exit (1);
240 }
241
242 for (i = 0; i < rd / (int) sizeof(struct input_event); i++)
243 printf("Event: time %ld.%06ld, type %d (%s), code %d (%s), value %d\n",
244 ev[i].time.tv_sec, ev[i].time.tv_usec, ev[i].type,
245 events[ev[i].type] ? events[ev[i].type] : "?",
246 ev[i].code,
247 names[ev[i].type] ? (names[ev[i].type][ev[i].code] ? names[ev[i].type][ev[i].code] : "?") : "?",
248 ev[i].value);
249
250 }
251 }
252