static DFBResult driver_open_device(CoreInputDevice *device,
unsigned int number,
InputDeviceInfo *info,
void **driver_data){
int fd;
PeMData *data;
/* open device */
fd = PeMOpenDevice (dfb_config->penmount_device);
if (fd < 0) {
D_PERROR("DirectFB/PenMount: Error opening '%s'!\n", dfb_config->penmount_device);
return DFB_INIT;
}
data = D_CALLOC (1, sizeof(PeMData));
if (!data) {
close (fd);
return D_OOM ();
}
data->fd = fd;
data->device = device;
/* Must define the correct resolution of screen */
data->screen_width = PeM_SCREENWIDTH;
data->screen_height = PeM_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 = PeM_MINX;
data->min_y = PeM_MINY;
/* fill device info structure */
snprintf(info->desc.name, DFB_INPUT_DEVICE_DESC_NAME_LENGTH,
"PenMount 9509");
snprintf(info->desc.vendor, DFB_INPUT_DEVICE_DESC_VENDOR_LENGTH,
"AMT");
info->prefered_id = DIDID_MOUSE;
info->desc.type = DIDTF_MOUSE;
#ifndef DIRECTFB_DISABLE_DEPRECATED
info->desc.caps = DICAPS_AXES | DICAPS_BUTTONS;
#else
info->desc.caps = DIDCAPS_AXES | DIDCAPS_BUTTONS;
#endif
info->desc.max_axis = DIAI_Y;
info->desc.max_button = DIBI_LEFT;
/* start input thread */
data->thread = direct_thread_create (DTT_INPUT, PenMountEventThread, data, "PenMount Input");
/* set private data pointer */
*driver_data = data;
return DFB_OK;
}
static int driver_get_available( void ){
int fd;
if (!dfb_config->penmount_device)
return 0;
fd = PeMOpenDevice (dfb_config->penmount_device);
if (fd < 0)
return 0;
close(fd);
return 1;
}
