keyboard/transitvan/led.c

   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 }
  35
  36 void led_layer_set(uint32_t state) {
  37     DDRB |= (1<<2);
  38
  39     /* Led for Layer 2 */
  40     if ((1<<4  & state) != 0) {
  41         PORTB |= (1<<2);
  42     } else {
  43         PORTB &= ~(1<<2);
  44     }
  45 }