RetroArch/input/input_hid_driver.c
2016-09-06 23:59:43 +02:00

120 lines
2.8 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - Daniel De Matteis
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include "input_hid_driver.h"
#include "../list_special.h"
#include "../verbosity.h"
static hid_driver_t *hid_drivers[] = {
#if defined(HAVE_BTSTACK)
&btstack_hid,
#endif
#if defined(__APPLE__) && defined(HAVE_IOHIDMANAGER)
&iohidmanager_hid,
#endif
#if defined(HAVE_LIBUSB) && defined(HAVE_THREADS)
&libusb_hid,
#endif
#ifdef HW_RVL
&wiiusb_hid,
#endif
&null_hid,
NULL,
};
static const void *hid_data = NULL;
/**
* hid_driver_find_handle:
* @idx : index of driver to get handle to.
*
* Returns: handle to HID driver at index. Can be NULL
* if nothing found.
**/
const void *hid_driver_find_handle(int idx)
{
const void *drv = hid_drivers[idx];
if (!drv)
return NULL;
return drv;
}
const void *hid_driver_get_data(void)
{
return hid_data;
}
/**
* hid_driver_find_ident:
* @idx : index of driver to get handle to.
*
* Returns: Human-readable identifier of HID driver at index. Can be NULL
* if nothing found.
**/
const char *hid_driver_find_ident(int idx)
{
const hid_driver_t *drv = hid_drivers[idx];
if (!drv)
return NULL;
return drv->ident;
}
/**
* config_get_hid_driver_options:
*
* Get an enumerated list of all HID driver names, separated by '|'.
*
* Returns: string listing of all HID driver names, separated by '|'.
**/
const char* config_get_hid_driver_options(void)
{
return char_list_new_special(STRING_LIST_INPUT_HID_DRIVERS, NULL);
}
/**
* input_hid_init_first:
*
* Finds first suitable HID driver and initializes.
*
* Returns: HID driver if found, otherwise NULL.
**/
const hid_driver_t *input_hid_init_first(void)
{
unsigned i;
for (i = 0; hid_drivers[i]; i++)
{
hid_data = hid_drivers[i]->init();
if (hid_data)
{
RARCH_LOG("Found HID driver: \"%s\".\n",
hid_drivers[i]->ident);
return hid_drivers[i];
}
}
return NULL;
}