4 #include <avr/interrupt.h>
5 #include <util/delay.h>
6 #include <avr/eeprom.h>
7 #include "split_util.h"
14 # include "split_scomm.h"
17 volatile bool isLeftHand = true;
19 static void setup_handedness(void) {
21 isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
23 // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
24 #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
25 isLeftHand = !has_usb();
27 isLeftHand = has_usb();
32 static void keyboard_master_setup(void) {
41 static void keyboard_slave_setup(void) {
44 i2c_slave_init(SLAVE_I2C_ADDRESS);
51 USBCON |= (1 << OTGPADE); //enables VBUS pad
53 return (USBSTA & (1<<VBUS)); //checks state of VBUS
56 void split_keyboard_setup(void) {
60 keyboard_master_setup();
62 keyboard_slave_setup();
67 // this code runs before the usb and keyboard is initialized
68 void matrix_setup(void) {
69 split_keyboard_setup();