keyboards/doppelganger/doppelganger.c


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/* Copyright 2019 Yiancar-Designs
 *
 * 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 "doppelganger.h"

void keyboard_pre_init_kb (void) {
  setPinOutput(C6);
  setPinOutput(B0);
}

bool led_update_kb(led_t led_state) {
  bool res = led_update_user(led_state);
  if(res) {
    // writePin sets the pin high for 1 and low for 0.
    // In this example the pins are inverted, setting
    // it low/0 turns it on, and high/1 turns the LED off.
    // This behavior depends on whether the LED is between the pin
    // and VCC or the pin and GND.
    writePin(C6, !led_state.caps_lock);
  }
  return res;
}

__attribute__((weak)) layer_state_t layer_state_set_user(layer_state_t state) {
  writePin(B0, !(state & (1UL << 1)));
  return state;
}