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-rw-r--r--test/grail-touch.c97
1 files changed, 0 insertions, 97 deletions
diff --git a/test/grail-touch.c b/test/grail-touch.c
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1/*****************************************************************************
2 *
3 * grail - Gesture Recognition And Instantiation Library
4 *
5 * Copyright (C) 2010 Canonical Ltd.
6 *
7 * This program is free software: you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation, either version 3 of the License, or (at your
10 * option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program. If not, see <http://www.gnu.org/licenses/>.
19 *
20 * Authors:
21 * Henrik Rydberg <rydberg@bitmath.org>
22 *
23 ****************************************************************************/
24
25#include <grail-touch.h>
26#include <string.h>
27#include <stdio.h>
28#include <unistd.h>
29#include <fcntl.h>
30
31static void tp_event(struct touch_dev *dev,
32 const struct input_event *ev)
33{
34 fprintf(stderr, "event %d 0x%x %d\n", ev->type, ev->code, ev->value);
35}
36
37static void tp_sync(struct touch_dev *dev,
38 const struct input_event *syn)
39{
40 struct touch_frame *frame = &dev->frame;
41 int i, j;
42 for (i = 0; i < frame->nactive; i++) {
43 struct touch *t = frame->active[i];
44 fprintf(stderr, "touch %d\n", i);
45 fprintf(stderr, " slot: %d\n", t->slot);
46 fprintf(stderr, " id: %d\n", t->id);
47 fprintf(stderr, " tool_type: %d\n", t->tool_type);
48 fprintf(stderr, " x: %d\n", t->x);
49 fprintf(stderr, " y: %d\n", t->y);
50 fprintf(stderr, " touch_major: %d\n", t->touch_major);
51 fprintf(stderr, " touch_minor: %d\n", t->touch_minor);
52 fprintf(stderr, " width_major: %d\n", t->width_major);
53 fprintf(stderr, " width_minor: %d\n", t->width_minor);
54 fprintf(stderr, " angle: %f\n",
55 touch_angle(dev, t->orientation));
56 fprintf(stderr, " pressure: %f\n",
57 touch_pressure(dev, t->pressure));
58 }
59 fprintf(stderr, "sync %d %lld %d %d\n",
60 frame->nactive, frame->time, frame->ncreate, frame->ndestroy);
61}
62
63static void loop_device(struct touch_dev *dev, int fd)
64{
65 dev->event = tp_event;
66 dev->sync = tp_sync;
67 while (!touch_dev_idle(dev, fd, 5000))
68 touch_dev_pull(dev, fd);
69}
70
71int main(int argc, char *argv[])
72{
73 struct touch_dev dev;
74 int fd;
75 if (argc < 2) {
76 fprintf(stderr, "Usage: %s <device>\n", argv[0]);
77 return -1;
78 }
79 fd = open(argv[1], O_RDONLY | O_NONBLOCK);
80 if (fd < 0) {
81 fprintf(stderr, "error: could not open device\n");
82 return -1;
83 }
84 if (ioctl(fd, EVIOCGRAB, 1)) {
85 fprintf(stderr, "error: could not grab the device\n");
86 return -1;
87 }
88 if (touch_dev_open(&dev, fd)) {
89 fprintf(stderr, "error: could not open touch device\n");
90 return -1;
91 }
92 loop_device(&dev, fd);
93 touch_dev_close(&dev, fd);
94 ioctl(fd, EVIOCGRAB, 0);
95 close(fd);
96 return 0;
97}