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