RetroArch/led/led_driver.c
2022-06-05 08:27:41 +03:00

75 lines
2.0 KiB
C

/* RetroArch - A frontend for libretro.
*
* 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 <string/stdstring.h>
#include "led_driver.h"
#include "../verbosity.h"
static const led_driver_t *current_led_driver = NULL;
static void null_led_init(void) { }
static void null_led_free(void) { }
static void null_led_set(int led, int state) { }
static const led_driver_t null_led_driver = {
null_led_init,
null_led_free,
null_led_set,
"null"
};
void led_driver_init(const char *led_driver)
{
const char *drivername = led_driver;
if (!drivername)
drivername = (const char*)"null";
current_led_driver = &null_led_driver;
#ifdef HAVE_OVERLAY
if (string_is_equal("overlay", drivername))
current_led_driver = &overlay_led_driver;
#endif
#ifdef HAVE_RPILED
if (string_is_equal("rpi", drivername))
current_led_driver = &rpi_led_driver;
#endif
#if (defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)) || defined(HAVE_X11)
if (string_is_equal("keyboard", drivername))
current_led_driver = &keyboard_led_driver;
#endif
if (current_led_driver)
(*current_led_driver->init)();
if (!string_is_equal("null", drivername))
RARCH_LOG("[LED]: Using driver: \"%s\".\n", led_driver);
}
void led_driver_free(void)
{
if (current_led_driver)
(*current_led_driver->free)();
}
void led_driver_set_led(int led, int value)
{
if (current_led_driver)
(*current_led_driver->set_led)(led, value);
}