keyboard/roadkit/backlight.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 "backlight.h"
  20
  21
  22 void backlight_set(uint8_t level) {
  23     DDRB |= (1<<5);
  24
  25     if (level) { // Backlight on
  26         PORTB |= (1<<5);
  27     } else { // Backlight off
  28         PORTB &= ~(1<<5);
  29     }
  30 }