qmk_firmware/keyboards/40percentclub/ut47/led.c

/*
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"

bool led_update_kb(led_t led_state)
{
    bool res = led_update_user(led_state);
    if (res) {
        if (led_state.caps_lock) {
            // output low
            DDRB |= (1<<0);
            PORTB &= ~(1<<0);
            DDRD |= (1<<5);
            PORTD &= ~(1<<5);
        } else {
            // Hi-Z
            DDRB &= ~(1<<0);
            PORTB &= ~(1<<0);
            DDRD &= ~(1<<5);
            PORTD &= ~(1<<5);
        }
    }
    return false;
}