1 /* RetroArch - A frontend for libretro.
2 *
3 * RetroArch is free software: you can redistribute it and/or modify it under the terms
4 * of the GNU General Public License as published by the Free Software Found-
5 * ation, either version 3 of the License, or (at your option) any later version.
6 *
7 * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
8 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
9 * PURPOSE. See the GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License along with RetroArch.
12 * If not, see <http://www.gnu.org/licenses/>.
13 */
14
15 #include <stdio.h>
16 #include <string/stdstring.h>
17
18 #include "led_driver.h"
19
20 static const led_driver_t *current_led_driver = NULL;
21
null_led_init(void)22 static void null_led_init(void) { }
null_led_free(void)23 static void null_led_free(void) { }
null_led_set(int led,int state)24 static void null_led_set(int led, int state) { }
25
26 static const led_driver_t null_led_driver = {
27 null_led_init,
28 null_led_free,
29 null_led_set,
30 "null"
31 };
32
led_driver_init(const char * led_driver)33 void led_driver_init(const char *led_driver)
34 {
35 const char *drivername = led_driver;
36
37 if (!drivername)
38 drivername = (const char*)"null";
39
40 current_led_driver = &null_led_driver;
41
42 #ifdef HAVE_OVERLAY
43 if (string_is_equal("overlay", drivername))
44 current_led_driver = &overlay_led_driver;
45 #endif
46
47 #ifdef HAVE_RPILED
48 if (string_is_equal("rpi", drivername))
49 current_led_driver = &rpi_led_driver;
50 #endif
51
52 #if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)
53 if (string_is_equal("keyboard", drivername))
54 current_led_driver = &keyboard_led_driver;
55 #endif
56
57 if (current_led_driver)
58 (*current_led_driver->init)();
59 }
60
led_driver_free(void)61 void led_driver_free(void)
62 {
63 if (current_led_driver)
64 (*current_led_driver->free)();
65 }
66
led_driver_set_led(int led,int value)67 void led_driver_set_led(int led, int value)
68 {
69 if (current_led_driver)
70 (*current_led_driver->set_led)(led, value);
71 }
72