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/***************************************************************************
*
* Multitouch X driver
* Copyright (C) 2008 Henrik Rydberg <rydberg@euromail.se>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
**************************************************************************/
#include "mtdev-iobuf.h"
#include "mtdev.h"
#include <fcntl.h>
#include <xbypass.h>
static void print_event(const struct input_event *ev)
{
static const mstime_t ms = 1000;
static int slot;
mstime_t evtime = ev->time.tv_usec / ms + ev->time.tv_sec * ms;
if (ev->type == EV_ABS && ev->code == ABS_MT_SLOT)
slot = ev->value;
fprintf(stderr, "%012llx: %04d: %04x %04x %d\n",
evtime, slot, ev->type, ev->code, ev->value);
}
static void loop_device(int fd)
{
struct Capabilities caps;
struct IOBuffer iobuf;
struct MTDev mtdev;
const struct input_event *ev;
struct input_event event;
if (read_capabilities(&caps, fd)) {
fprintf(stderr, "error: could not read device capabilities\n");
return;
}
output_capabilities(&caps);
if (mtdev_init(&mtdev, &caps)) {
fprintf(stderr, "error: could not initialize device\n");
return;
}
init_iobuf(&iobuf);
while (ev = get_iobuf_event(&iobuf, fd)) {
mtdev_put(&mtdev, &caps, ev);
while (!mtdev_empty(&mtdev)) {
mtdev_get(&mtdev, &event);
print_event(&event);
}
}
mtdev_destroy(&mtdev);
}
int main(int argc, char *argv[])
{
if (argc < 2) {
fprintf(stderr, "Usage: test <mtdev>\n");
return -1;
}
int fd = open(argv[1], O_RDONLY);
if (fd < 0) {
fprintf(stderr, "error: could not open file\n");
return -1;
}
loop_device(fd);
close(fd);
return 0;
}
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