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1 | /* | |
2 | Copyright 2014 Ralf Schmitt <ralf@bunkertor.net> | |
3 | ||
4 | This program is free software: you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation, either version 2 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #include <avr/io.h> | |
19 | #include "stdint.h" | |
20 | #include "led.h" | |
21 | ||
22 | /* LED pin configuration | |
23 | * | |
24 | * Scroll Lock PB7 | |
25 | * CAPS PC6 | |
26 | * NUMLOCK PC5 | |
27 | * | |
28 | */ | |
29 | void led_set(uint8_t usb_led) | |
30 | { | |
31 | DDRB |= (1<<7); | |
32 | DDRC |= (1<<5) | (1<<6); | |
33 | ||
34 | if (usb_led & (1<<USB_LED_CAPS_LOCK)) | |
35 | { | |
36 | PORTC &= ~(1<<6); | |
37 | } | |
38 | else | |
39 | { | |
40 | PORTC |= (1<<6); | |
41 | } | |
42 | ||
43 | if (usb_led & (1<<USB_LED_NUM_LOCK)) | |
44 | { | |
45 | PORTC &= ~(1<<5); | |
46 | } | |
47 | else | |
48 | { | |
49 | PORTC |= (1<<5); | |
50 | } | |
51 | ||
52 | if (usb_led & (1<<USB_LED_SCROLL_LOCK)) | |
53 | { | |
54 | PORTB &= ~(1<<7); | |
55 | } | |
56 | else | |
57 | { | |
58 | PORTB |= (1<<7); | |
59 | } | |
60 | } |