static DFBResult driver_open_device(CoreInputDevice *device,
unsigned int number,
InputDeviceInfo *info,
void **driver_data)
{
int fd;
eloData *data;
/* open device */
fd = eloOpenDevice(elo_DEVICE);
if(fd < 0) {
D_PERROR("DirectFB/elo: Error opening '"elo_DEVICE"'!\n");
return DFB_INIT;
}
data = D_CALLOC(1, sizeof(eloData));
if (!data) {
close(fd);
return D_OOM();
}
data->fd = fd;
data->device = device;
/* Must define the correct resolution of screen */
data->screen_width = elo_SCREENWIDTH;
data->screen_height = elo_SCREENHEIGHT;
/* The following variable are defined to adjust the orientation of
* the touchscreen. Variables are either max screen height/width or 0.
*/
data->min_x = elo_MINX;
data->min_y = elo_MINY;
/* fill device info structure */
snprintf(info->desc.name, DFB_INPUT_DEVICE_DESC_NAME_LENGTH,
"elo");
snprintf(info->desc.vendor, DFB_INPUT_DEVICE_DESC_VENDOR_LENGTH,
"elo Systems");
info->prefered_id = DIDID_MOUSE;
info->desc.type = DIDTF_MOUSE;
info->desc.caps = DICAPS_AXES | DICAPS_BUTTONS;
info->desc.max_axis = DIAI_Y;
info->desc.max_button = DIBI_LEFT;
/* start input thread */
data->thread = direct_thread_create (DTT_INPUT, eloTouchEventThread, data, "ELO Touch Input");
/* set private data pointer */
*driver_data = data;
return DFB_OK;
}
static int driver_get_available( void )
{
int fd;
fd = eloOpenDevice (elo_DEVICE);
if (fd < 0)
return 0;
close(fd);
return 1;
}
static int driver_get_available( void )
{
int fd;
/* we will only use the ELO device if it has been configured */
if(!dfb_config->elo_device) {
return 0;
}
fd = eloOpenDevice (dfb_config->elo_device);
if (fd < 0) {
D_INFO("Elo:driver_get_available NON OK\n");
return 0;
}
close(fd);
return 1;
}
