qmk_firmware/keyboards/yiancardesigns/gingham/gingham.c

41 lines
1.3 KiB
C

/* Copyright 2019 Yiancar
*
* 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 "gingham.h"
#include "i2c_master.h"
uint8_t send_data;
void matrix_init_kb(void) {
// Due to the way the port expander is setup both LEDs are already outputs. This is set n matrix.copy
//Turn the red LED on as power indicator.
send_data = 0x10;
i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &send_data, 1, 20);
matrix_init_user();
}
void led_set_kb(uint8_t usb_led) {
// Bit 3 is Green LED, bit 4 is Red LED.
if (IS_LED_ON(usb_led, USB_LED_CAPS_LOCK)) {
send_data = 0x18;
} else {
send_data = 0x10;
}
i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &send_data, 1, 20);
led_set_user(usb_led);
}