[Keymap] Assorted personal keymap and layout updates (#7082)
[jackhill/qmk/firmware.git] / keyboards / naked48 / rev1 / split_util.c
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1#include <avr/io.h>
2#include <avr/wdt.h>
3#include <avr/power.h>
4#include <avr/interrupt.h>
5#include <util/delay.h>
6#include <avr/eeprom.h>
7#include "split_util.h"
8#include "matrix.h"
9#include "keyboard.h"
10
11#ifdef USE_MATRIX_I2C
12# include "i2c.h"
13#else
14# include "split_scomm.h"
15#endif
16
17volatile bool isLeftHand = true;
18
19static void setup_handedness(void) {
20 #ifdef EE_HANDS
21 isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
22 #else
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();
26 #else
27 isLeftHand = has_usb();
28 #endif
29 #endif
30}
31
32static void keyboard_master_setup(void) {
33
34#ifdef USE_MATRIX_I2C
35 i2c_master_init();
36#else
37 serial_master_init();
38#endif
39}
40
41static void keyboard_slave_setup(void) {
42
43#ifdef USE_MATRIX_I2C
44 i2c_slave_init(SLAVE_I2C_ADDRESS);
45#else
46 serial_slave_init();
47#endif
48}
49
50bool has_usb(void) {
51 USBCON |= (1 << OTGPADE); //enables VBUS pad
52 _delay_us(5);
53 return (USBSTA & (1<<VBUS)); //checks state of VBUS
54}
55
56void split_keyboard_setup(void) {
57 setup_handedness();
58
59 if (has_usb()) {
60 keyboard_master_setup();
61 } else {
62 keyboard_slave_setup();
63 }
64 sei();
65}
66
67// this code runs before the usb and keyboard is initialized
68void matrix_setup(void) {
69 split_keyboard_setup();
70}