doppelganger.c (1137B)
1 /* Copyright 2019 Yiancar-Designs 2 * 3 * This program is free software: you can redistribute it and/or modify 4 * it under the terms of the GNU General Public License as published by 5 * the Free Software Foundation, either version 2 of the License, or 6 * (at your option) any later version. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 #include "quantum.h" 17 18 void keyboard_pre_init_kb(void) { 19 gpio_set_pin_output(B0); 20 21 keyboard_pre_init_user(); 22 } 23 24 __attribute__((weak)) layer_state_t layer_state_set_user(layer_state_t state) { 25 gpio_write_pin(B0, !(state & (1UL << 1))); 26 return state; 27 } 28 29 // Override core logic as we reuse SPLIT_HAND_PIN within matrix pins 30 bool is_keyboard_left(void) { 31 gpio_set_pin_input(SPLIT_HAND_PIN); 32 return gpio_read_pin(SPLIT_HAND_PIN); 33 }