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1 | /* |
2 | Copyright 2012 Jun Wako <wakojun@gmail.com> | |
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 | ||
23 | void led_set(uint8_t usb_led) | |
24 | { | |
25 | if (usb_led & (1<<USB_LED_CAPS_LOCK)) { | |
26 | // output low | |
27 | DDRB |= (1<<2); | |
28 | PORTB &= ~(1<<2); | |
29 | } else { | |
30 | // Hi-Z | |
31 | DDRB &= ~(1<<2); | |
32 | PORTB &= ~(1<<2); | |
33 | } | |
34 | } |