/* Copyright 2021 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 "seigaiha.h" #include "i2c_master.h" // There is no need to initialize the I/O it is done in matrix.c uint8_t send_data = 0x00; bool led_update_kb(led_t led_state) { bool res = led_update_user(led_state); if(res) { if (led_state.caps_lock){ send_data |= 1 << 5; } else { send_data &= ~(1 << 5); } i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x0A, &send_data, 1, 20); } return res; } __attribute__((weak)) layer_state_t layer_state_set_user(layer_state_t state) { if (IS_LAYER_ON_STATE(state, 1)) { send_data |= 1 << 6; } if (IS_LAYER_OFF_STATE(state, 1)) { send_data &= ~(1 << 6); } // Data is send to the port expander during led_update_kb as it runs continuously. return state; }