3 #include <avr/power.h>
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4 #include <avr/interrupt.h>
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5 #include <util/delay.h>
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6 #include <avr/eeprom.h>
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7 #include "split_util.h"
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9 #include "keyboard.h"
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15 # include "serial.h"
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18 volatile bool isLeftHand = true;
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20 static void setup_handedness(void) {
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22 isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
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24 // I2C_MASTER_RIGHT is deprecated use MASTER_RIGHT instead since this works for both serial and i2c
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25 #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
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26 isLeftHand = !has_usb();
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28 isLeftHand = has_usb();
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33 static void keyboard_master_setup(void) {
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37 serial_master_init();
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41 static void keyboard_slave_setup(void) {
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43 i2c_slave_init(SLAVE_I2C_ADDRESS);
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45 serial_slave_init();
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49 bool has_usb(void) {
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50 USBCON |= (1 << OTGPADE); //enables VBUS pad
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52 return (USBSTA & (1<<VBUS)); //checks state of VBUS
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55 void split_keyboard_setup(void) {
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59 keyboard_master_setup();
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61 keyboard_slave_setup();
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66 void keyboard_slave_loop(void) {
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70 matrix_slave_scan();
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74 // this code runs before the usb and keyboard is initialized
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75 void matrix_setup(void) {
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76 split_keyboard_setup();
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79 keyboard_slave_loop();
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