1 /* Copyright 2019 Yiancar
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.
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.
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/>.
17 #include "i2c_master.h"
21 void matrix_init_kb(void) {
22 // Due to the way the port expander is setup both LEDs are already outputs. This is set n matrix.copy
23 //Turn the red LED on as power indicator.
25 i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &send_data, 1, 20);
30 void led_set_kb(uint8_t usb_led) {
31 // Bit 3 is Green LED, bit 4 is Red LED.
32 if (IS_LED_ON(usb_led, USB_LED_CAPS_LOCK)) {
37 i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &send_data, 1, 20);
39 led_set_user(usb_led);