/* Copyright 2012 Jun Wako <wakojun@gmail.com> This program 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 Foundation, either version 2 of the License, or (at your option) any later version. This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ #include <avr/io.h> #include "stdint.h" #include "led.h" void led_set(uint8_t usb_led) { if (usb_led & (1<<USB_LED_CAPS_LOCK)) { // output low DDRB |= (1<<2); PORTB &= ~(1<<2); } else { // Hi-Z DDRB &= ~(1<<2); PORTB &= ~(1<<2); } }