1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2002 Red Hat Inc., Durham, North Carolina.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * All Rights Reserved.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining
7*4882a593Smuzhiyun * a copy of this software and associated documentation files (the
8*4882a593Smuzhiyun * "Software"), to deal in the Software without restriction, including
9*4882a593Smuzhiyun * without limitation on the rights to use, copy, modify, merge,
10*4882a593Smuzhiyun * publish, distribute, sublicense, and/or sell copies of the Software,
11*4882a593Smuzhiyun * and to permit persons to whom the Software is furnished to do so,
12*4882a593Smuzhiyun * subject to the following conditions:
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * The above copyright notice and this permission notice (including the
15*4882a593Smuzhiyun * next paragraph) shall be included in all copies or substantial
16*4882a593Smuzhiyun * portions of the Software.
17*4882a593Smuzhiyun *
18*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19*4882a593Smuzhiyun * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21*4882a593Smuzhiyun * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
22*4882a593Smuzhiyun * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
23*4882a593Smuzhiyun * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24*4882a593Smuzhiyun * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25*4882a593Smuzhiyun * SOFTWARE.
26*4882a593Smuzhiyun *
27*4882a593Smuzhiyun * This is a simple test program that reads from /dev/input/event*,
28*4882a593Smuzhiyun * decoding events into a human readable form.
29*4882a593Smuzhiyun */
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun /*
32*4882a593Smuzhiyun * Authors:
33*4882a593Smuzhiyun * Rickard E. (Rik) Faith <faith@redhat.com>
34*4882a593Smuzhiyun *
35*4882a593Smuzhiyun */
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun #include <stdio.h>
38*4882a593Smuzhiyun #include <stdlib.h>
39*4882a593Smuzhiyun #include <unistd.h>
40*4882a593Smuzhiyun #include <string.h>
41*4882a593Smuzhiyun #include <sys/types.h>
42*4882a593Smuzhiyun #include <fcntl.h>
43*4882a593Smuzhiyun #include <errno.h>
44*4882a593Smuzhiyun #include <time.h>
45*4882a593Smuzhiyun #include <linux/input.h>
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun struct input_event event;
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun int
main(int argc,char ** argv)50*4882a593Smuzhiyun main(int argc, char **argv)
51*4882a593Smuzhiyun {
52*4882a593Smuzhiyun char name[64]; /* RATS: Use ok, but could be better */
53*4882a593Smuzhiyun char buf[256] = { 0, }; /* RATS: Use ok */
54*4882a593Smuzhiyun unsigned char mask[EV_MAX / 8 + 1]; /* RATS: Use ok */
55*4882a593Smuzhiyun int version;
56*4882a593Smuzhiyun int fd = 0;
57*4882a593Smuzhiyun int rc;
58*4882a593Smuzhiyun int i, j;
59*4882a593Smuzhiyun const char *tmp;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun #define test_bit(bit) (mask[(bit)/8] & (1 << ((bit)%8)))
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun for (i = 0; i < 32; i++) {
64*4882a593Smuzhiyun snprintf(name, sizeof(name), "/dev/input/event%d", i);
65*4882a593Smuzhiyun if ((fd = open(name, O_RDONLY, 0)) >= 0) {
66*4882a593Smuzhiyun ioctl(fd, EVIOCGVERSION, &version);
67*4882a593Smuzhiyun ioctl(fd, EVIOCGNAME(sizeof(buf)), buf);
68*4882a593Smuzhiyun ioctl(fd, EVIOCGBIT(0, sizeof(mask)), mask);
69*4882a593Smuzhiyun printf("%s\n", name);
70*4882a593Smuzhiyun printf(" evdev version: %d.%d.%d\n",
71*4882a593Smuzhiyun version >> 16, (version >> 8) & 0xff, version & 0xff);
72*4882a593Smuzhiyun printf(" name: %s\n", buf);
73*4882a593Smuzhiyun printf(" features:");
74*4882a593Smuzhiyun for (j = 0; j < EV_MAX; j++) {
75*4882a593Smuzhiyun if (test_bit(j)) {
76*4882a593Smuzhiyun const char *type = "unknown";
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun switch (j) {
79*4882a593Smuzhiyun case EV_KEY:
80*4882a593Smuzhiyun type = "keys/buttons";
81*4882a593Smuzhiyun break;
82*4882a593Smuzhiyun case EV_REL:
83*4882a593Smuzhiyun type = "relative";
84*4882a593Smuzhiyun break;
85*4882a593Smuzhiyun case EV_ABS:
86*4882a593Smuzhiyun type = "absolute";
87*4882a593Smuzhiyun break;
88*4882a593Smuzhiyun case EV_MSC:
89*4882a593Smuzhiyun type = "reserved";
90*4882a593Smuzhiyun break;
91*4882a593Smuzhiyun case EV_LED:
92*4882a593Smuzhiyun type = "leds";
93*4882a593Smuzhiyun break;
94*4882a593Smuzhiyun case EV_SND:
95*4882a593Smuzhiyun type = "sound";
96*4882a593Smuzhiyun break;
97*4882a593Smuzhiyun case EV_REP:
98*4882a593Smuzhiyun type = "repeat";
99*4882a593Smuzhiyun break;
100*4882a593Smuzhiyun case EV_FF:
101*4882a593Smuzhiyun type = "feedback";
102*4882a593Smuzhiyun break;
103*4882a593Smuzhiyun }
104*4882a593Smuzhiyun printf(" %s", type);
105*4882a593Smuzhiyun }
106*4882a593Smuzhiyun }
107*4882a593Smuzhiyun printf("\n");
108*4882a593Smuzhiyun close(fd);
109*4882a593Smuzhiyun }
110*4882a593Smuzhiyun }
111*4882a593Smuzhiyun
112*4882a593Smuzhiyun if (argc > 1) {
113*4882a593Smuzhiyun snprintf(name, sizeof(name), "/dev/input/event%d", atoi(argv[1]));
114*4882a593Smuzhiyun if ((fd = open(name, O_RDWR, 0)) >= 0) {
115*4882a593Smuzhiyun printf("%s: open, fd = %d\n", name, fd);
116*4882a593Smuzhiyun for (i = 0; i < LED_MAX; i++) {
117*4882a593Smuzhiyun event.time.tv_sec = time(0);
118*4882a593Smuzhiyun event.time.tv_usec = 0;
119*4882a593Smuzhiyun event.type = EV_LED;
120*4882a593Smuzhiyun event.code = i;
121*4882a593Smuzhiyun event.value = 0;
122*4882a593Smuzhiyun write(fd, &event, sizeof(event));
123*4882a593Smuzhiyun }
124*4882a593Smuzhiyun
125*4882a593Smuzhiyun while ((rc = read(fd, &event, sizeof(event))) > 0) {
126*4882a593Smuzhiyun printf("%-24.24s.%06lu type 0x%04x; code 0x%04x;"
127*4882a593Smuzhiyun " value 0x%08x; ",
128*4882a593Smuzhiyun ctime(&event.time.tv_sec),
129*4882a593Smuzhiyun event.time.tv_usec, event.type, event.code, event.value);
130*4882a593Smuzhiyun switch (event.type) {
131*4882a593Smuzhiyun case EV_KEY:
132*4882a593Smuzhiyun if (event.code > BTN_MISC) {
133*4882a593Smuzhiyun printf("Button %d %s",
134*4882a593Smuzhiyun event.code & 0xff,
135*4882a593Smuzhiyun event.value ? "press" : "release");
136*4882a593Smuzhiyun }
137*4882a593Smuzhiyun else {
138*4882a593Smuzhiyun printf("Key %d (0x%x) %s",
139*4882a593Smuzhiyun event.code & 0xff,
140*4882a593Smuzhiyun event.code & 0xff,
141*4882a593Smuzhiyun event.value ? "press" : "release");
142*4882a593Smuzhiyun }
143*4882a593Smuzhiyun break;
144*4882a593Smuzhiyun case EV_REL:
145*4882a593Smuzhiyun switch (event.code) {
146*4882a593Smuzhiyun case REL_X:
147*4882a593Smuzhiyun tmp = "X";
148*4882a593Smuzhiyun break;
149*4882a593Smuzhiyun case REL_Y:
150*4882a593Smuzhiyun tmp = "Y";
151*4882a593Smuzhiyun break;
152*4882a593Smuzhiyun case REL_HWHEEL:
153*4882a593Smuzhiyun tmp = "HWHEEL";
154*4882a593Smuzhiyun break;
155*4882a593Smuzhiyun case REL_DIAL:
156*4882a593Smuzhiyun tmp = "DIAL";
157*4882a593Smuzhiyun break;
158*4882a593Smuzhiyun case REL_WHEEL:
159*4882a593Smuzhiyun tmp = "WHEEL";
160*4882a593Smuzhiyun break;
161*4882a593Smuzhiyun case REL_MISC:
162*4882a593Smuzhiyun tmp = "MISC";
163*4882a593Smuzhiyun break;
164*4882a593Smuzhiyun default:
165*4882a593Smuzhiyun tmp = "UNKNOWN";
166*4882a593Smuzhiyun break;
167*4882a593Smuzhiyun }
168*4882a593Smuzhiyun printf("Relative %s %d", tmp, event.value);
169*4882a593Smuzhiyun break;
170*4882a593Smuzhiyun case EV_ABS:
171*4882a593Smuzhiyun switch (event.code) {
172*4882a593Smuzhiyun case ABS_X:
173*4882a593Smuzhiyun tmp = "X";
174*4882a593Smuzhiyun break;
175*4882a593Smuzhiyun case ABS_Y:
176*4882a593Smuzhiyun tmp = "Y";
177*4882a593Smuzhiyun break;
178*4882a593Smuzhiyun case ABS_Z:
179*4882a593Smuzhiyun tmp = "Z";
180*4882a593Smuzhiyun break;
181*4882a593Smuzhiyun case ABS_RX:
182*4882a593Smuzhiyun tmp = "RX";
183*4882a593Smuzhiyun break;
184*4882a593Smuzhiyun case ABS_RY:
185*4882a593Smuzhiyun tmp = "RY";
186*4882a593Smuzhiyun break;
187*4882a593Smuzhiyun case ABS_RZ:
188*4882a593Smuzhiyun tmp = "RZ";
189*4882a593Smuzhiyun break;
190*4882a593Smuzhiyun case ABS_THROTTLE:
191*4882a593Smuzhiyun tmp = "THROTTLE";
192*4882a593Smuzhiyun break;
193*4882a593Smuzhiyun case ABS_RUDDER:
194*4882a593Smuzhiyun tmp = "RUDDER";
195*4882a593Smuzhiyun break;
196*4882a593Smuzhiyun case ABS_WHEEL:
197*4882a593Smuzhiyun tmp = "WHEEL";
198*4882a593Smuzhiyun break;
199*4882a593Smuzhiyun case ABS_GAS:
200*4882a593Smuzhiyun tmp = "GAS";
201*4882a593Smuzhiyun break;
202*4882a593Smuzhiyun case ABS_BRAKE:
203*4882a593Smuzhiyun tmp = "BRAKE";
204*4882a593Smuzhiyun break;
205*4882a593Smuzhiyun case ABS_HAT0X:
206*4882a593Smuzhiyun tmp = "HAT0X";
207*4882a593Smuzhiyun break;
208*4882a593Smuzhiyun case ABS_HAT0Y:
209*4882a593Smuzhiyun tmp = "HAT0Y";
210*4882a593Smuzhiyun break;
211*4882a593Smuzhiyun case ABS_HAT1X:
212*4882a593Smuzhiyun tmp = "HAT1X";
213*4882a593Smuzhiyun break;
214*4882a593Smuzhiyun case ABS_HAT1Y:
215*4882a593Smuzhiyun tmp = "HAT1Y";
216*4882a593Smuzhiyun break;
217*4882a593Smuzhiyun case ABS_HAT2X:
218*4882a593Smuzhiyun tmp = "HAT2X";
219*4882a593Smuzhiyun break;
220*4882a593Smuzhiyun case ABS_HAT2Y:
221*4882a593Smuzhiyun tmp = "HAT2Y";
222*4882a593Smuzhiyun break;
223*4882a593Smuzhiyun case ABS_HAT3X:
224*4882a593Smuzhiyun tmp = "HAT3X";
225*4882a593Smuzhiyun break;
226*4882a593Smuzhiyun case ABS_HAT3Y:
227*4882a593Smuzhiyun tmp = "HAT3Y";
228*4882a593Smuzhiyun break;
229*4882a593Smuzhiyun case ABS_PRESSURE:
230*4882a593Smuzhiyun tmp = "PRESSURE";
231*4882a593Smuzhiyun break;
232*4882a593Smuzhiyun case ABS_DISTANCE:
233*4882a593Smuzhiyun tmp = "DISTANCE";
234*4882a593Smuzhiyun break;
235*4882a593Smuzhiyun case ABS_TILT_X:
236*4882a593Smuzhiyun tmp = "TILT_X";
237*4882a593Smuzhiyun break;
238*4882a593Smuzhiyun case ABS_TILT_Y:
239*4882a593Smuzhiyun tmp = "TILT_Y";
240*4882a593Smuzhiyun break;
241*4882a593Smuzhiyun case ABS_MISC:
242*4882a593Smuzhiyun tmp = "MISC";
243*4882a593Smuzhiyun break;
244*4882a593Smuzhiyun default:
245*4882a593Smuzhiyun tmp = "UNKNOWN";
246*4882a593Smuzhiyun break;
247*4882a593Smuzhiyun }
248*4882a593Smuzhiyun printf("Absolute %s %d", tmp, event.value);
249*4882a593Smuzhiyun break;
250*4882a593Smuzhiyun case EV_MSC:
251*4882a593Smuzhiyun printf("Misc");
252*4882a593Smuzhiyun break;
253*4882a593Smuzhiyun case EV_LED:
254*4882a593Smuzhiyun printf("Led");
255*4882a593Smuzhiyun break;
256*4882a593Smuzhiyun case EV_SND:
257*4882a593Smuzhiyun printf("Snd");
258*4882a593Smuzhiyun break;
259*4882a593Smuzhiyun case EV_REP:
260*4882a593Smuzhiyun printf("Rep");
261*4882a593Smuzhiyun break;
262*4882a593Smuzhiyun case EV_FF:
263*4882a593Smuzhiyun printf("FF");
264*4882a593Smuzhiyun break;
265*4882a593Smuzhiyun break;
266*4882a593Smuzhiyun }
267*4882a593Smuzhiyun printf("\n");
268*4882a593Smuzhiyun }
269*4882a593Smuzhiyun printf("rc = %d, (%s)\n", rc, strerror(errno));
270*4882a593Smuzhiyun close(fd);
271*4882a593Smuzhiyun }
272*4882a593Smuzhiyun }
273*4882a593Smuzhiyun return 0;
274*4882a593Smuzhiyun }
275