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/*****************************************************************************
*
* utouch-frame - Touch Frame Library
*
* Copyright (C) 2010-2011 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>
*
****************************************************************************/
#define MTDEV_NO_LEGACY_API
#include <utouch/frame-mtdev.h>
#include <mtdev.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
struct frame_test {
struct evemu_device *evemu;
struct mtdev *mtdev;
utouch_frame_handle fh;
};
static int init_evemu(struct frame_test *test, int fd)
{
test->evemu = evemu_new(NULL);
if (!test->evemu)
return -1;
return evemu_extract(test->evemu, fd);
}
static int init_mtdev(struct frame_test *test, int fd)
{
test->mtdev = mtdev_new_open(fd);
if (!test->mtdev)
return -1;
return 0;
}
static int init_frame(struct frame_test *test, int fd)
{
test->fh = utouch_frame_new_engine(100, 32, 100);
if (!test->fh)
return -1;
return utouch_frame_init_mtdev(test->fh, test->evemu);
}
static void destroy_all(struct frame_test *test)
{
utouch_frame_delete_engine(test->fh);
mtdev_close_delete(test->mtdev);
evemu_delete(test->evemu);
memset(test, 0, sizeof(*test));
}
static void report_frame(const struct utouch_frame *frame)
{
int i;
for (i = 0; i < frame->num_active; i++) {
const struct utouch_contact *t = frame->active[i];
fprintf(stderr, "touch %d\n", i);
fprintf(stderr, " slot: %d\n", t->slot);
fprintf(stderr, " id: %d\n", t->id);
fprintf(stderr, " tool_type: %d\n", t->tool_type);
fprintf(stderr, " x: %f\n", t->x);
fprintf(stderr, " y: %f\n", t->y);
fprintf(stderr, " touch_major: %f\n", t->touch_major);
fprintf(stderr, " touch_minor: %f\n", t->touch_minor);
fprintf(stderr, " width_major: %f\n", t->width_major);
fprintf(stderr, " width_minor: %f\n", t->width_minor);
fprintf(stderr, " angle: %f\n", t->orientation);
fprintf(stderr, " pressure: %f\n", t->pressure);
fprintf(stderr, " distance: %f\n", t->distance);
}
fprintf(stderr, "sync %d %ld %d %d %d\n",
frame->num_active,
frame->time,
frame->sequence_id,
frame->revision,
frame->slot_revision);
}
static void loop_device(struct frame_test *test, int fd)
{
const struct utouch_frame *frame;
struct input_event ev;
while (!mtdev_idle(test->mtdev, fd, 5000)) {
while (mtdev_get(test->mtdev, fd, &ev, 1) > 0) {
frame = utouch_frame_pump_mtdev(test->fh, &ev);
if (frame)
report_frame(frame);
}
}
}
static void report_device_caps(struct frame_test *test)
{
struct utouch_surface *s = utouch_frame_get_surface(test->fh);
fprintf(stderr, "device props:\n");
if (s->needs_pointer)
fprintf(stderr, "\tpointer\n");
if (s->is_direct)
fprintf(stderr, "\tdirect\n");
if (s->is_buttonpad)
fprintf(stderr, "\tbuttonpad\n");
if (s->is_semi_mt)
fprintf(stderr, "\tsemi_mt\n");
fprintf(stderr, "device mt events:\n");
if (s->use_touch_major)
fprintf(stderr, "\ttouch_major\n");
if (s->use_touch_minor)
fprintf(stderr, "\ttouch_minor\n");
if (s->use_width_major)
fprintf(stderr, "\twidth_major\n");
if (s->use_width_minor)
fprintf(stderr, "\twidth_minor\n");
if (s->use_orientation)
fprintf(stderr, "\torientation\n");
if (s->use_pressure)
fprintf(stderr, "\tpressure\n");
if (s->use_distance)
fprintf(stderr, "\tdistance\n");
}
int main(int argc, char *argv[])
{
struct frame_test test;
int fd;
if (argc < 2) {
fprintf(stderr, "Usage: %s <device>\n", argv[0]);
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 (init_evemu(&test, fd)) {
fprintf(stderr, "error: could not describe device\n");
return -1;
}
if (!utouch_frame_is_supported_mtdev(test.evemu)) {
fprintf(stderr, "error: unsupported device\n");
return -1;
}
fprintf(stderr, "device: %s\n", evemu_get_name(test.evemu));
if (init_mtdev(&test, fd)) {
fprintf(stderr, "error: could not init mtdev\n");
return -1;
}
if (init_frame(&test, fd)) {
fprintf(stderr, "error: could not init frame\n");
return -1;
}
report_device_caps(&test);
loop_device(&test, fd);
destroy_all(&test);
return 0;
}
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