59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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/*
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <avr/io.h>
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#include "stdint.h"
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#include "led.h"
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void led_set(uint8_t usb_led)
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{
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DDRD |= (1 << 6) | (1 << 5) | (1 << 3) | (1 << 0);
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DDRA |= (1 << 7);
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DDRD |= (1 << 6) | (1 << 5) | (1 << 3);
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if (usb_led & (1<<USB_LED_SCROLL_LOCK)) {
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PORTD |= (1 << 3);
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} else {
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PORTD &= ~(1 << 3);
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}
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if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
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PORTD |= (1 << 5);
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} else {
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PORTD &= ~(1 << 5);
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}
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if (usb_led & (1<<USB_LED_NUM_LOCK)) {
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PORTD |= (1 << 6);
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} else {
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PORTD &= ~(1 << 6);
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}
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if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
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PORTA &= ~(1 << 7);
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} else {
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PORTA |= (1 << 7);
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}
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if (usb_led & (1<<USB_LED_NUM_LOCK)) {
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PORTD &= ~(1 << 0);
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} else {
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PORTD |= (1 << 0);
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}
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}
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