4 #include <avr/interrupt.h>
5 #include <util/delay.h>
6 #include <avr/eeprom.h>
7 #include "split_util.h"
18 volatile bool isLeftHand = true;
20 static void setup_handedness(void) {
22 isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
24 // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
25 #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
26 isLeftHand = !has_usb();
28 isLeftHand = has_usb();
33 static void keyboard_master_setup(void) {
42 static void keyboard_slave_setup(void) {
45 i2c_slave_init(SLAVE_I2C_ADDRESS);
52 USBCON |= (1 << OTGPADE); //enables VBUS pad
54 return (USBSTA & (1<<VBUS)); //checks state of VBUS
57 void split_keyboard_setup(void) {
61 keyboard_master_setup();
63 keyboard_slave_setup();
68 // this code runs before the usb and keyboard is initialized
69 void matrix_setup(void) {
70 split_keyboard_setup();