static int startDevice(const char *touchdevice) {

 struct uinput_user_dev uidev;
 int fd;

 fd = open("/dev/uinput", O_WRONLY | O_NONBLOCK);
 if (fd < 0) {
    die("error: open");
 }
 memset(&uidev, 0, sizeof(uidev));

 snprintf(uidev.name, UINPUT_MAX_NAME_SIZE, "%s",touchdevice);


 uidev.id.bustype = 0;
 uidev.id.vendor = 0x0;
 uidev.id.product = 0x0;
 uidev.id.version = 0;
 uidev.absmax[ABS_MT_POSITION_X] = 1280;
 uidev.absmax[ABS_MT_POSITION_Y] = 800;

 if (write(fd, &uidev, sizeof(uidev)) < 0) {
    die("error: write");
 }
 ioctl(fd, UI_SET_EVBIT, EV_ABS);


 ioctl(fd, UI_SET_ABSBIT, ABS_MT_POSITION_X);
 ioctl(fd, UI_SET_ABSBIT, ABS_MT_POSITION_Y);
 ioctl(fd, UI_SET_ABSBIT, ABS_MT_PRESSURE);
 ioctl(fd, UI_SET_ABSBIT, ABS_MT_TOUCH_MAJOR);
 ioctl(fd, UI_SET_ABSBIT, ABS_MT_SLOT);
 ioctl(fd, UI_SET_ABSBIT, ABS_MT_TRACKING_ID);

 ioctl(fd, UI_SET_KEYBIT, BTN_TOUCH);


 if (ioctl(fd, UI_DEV_CREATE, 0) < 0) {
    die("error: ioctl");
 }

 idVirtualTouch = fd;

 return 55;
}

touch.deviceType = touchScreen
touch.internal = 1

uidev.absmax[ABS_MT_TRACKING_ID] = 65535;
uidev.absmax[ABS_MT_SLOT] = 9;