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[Keyboard] fixed pins for numpad_5x4 layout (#6311)
[qmk_firmware.git] / keyboards / fortitude60 / split_util.c
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 #include "config.h"
11 #include "timer.h"
12
13 #include "serial.h"
14
15 volatile bool isLeftHand = true;
16
17 static void setup_handedness(void) {
18   #ifdef EE_HANDS
19     isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
20   #else
21     // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
22     #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
23       isLeftHand = !has_usb();
24     #else
25       isLeftHand = has_usb();
26     #endif
27   #endif
28 }
29
30 static void keyboard_master_setup(void) {
31 #ifdef USE_I2C
32     i2c_master_init();
33 #ifdef SSD1306OLED
34     matrix_master_OLED_init ();
35 #endif
36 #else
37     serial_master_init();
38 #endif
39 }
40
41 static void keyboard_slave_setup(void) {
42   timer_init();
43 #ifdef USE_I2C
44     i2c_slave_init(SLAVE_I2C_ADDRESS);
45 #else
46     serial_slave_init();
47 #endif
48 }
49
50 bool has_usb(void) {
51   /* return (UDADDR & _BV(ADDEN)); */
52    USBCON |= (1 << OTGPADE); //enables VBUS pad
53    _delay_us(5);
54    return (USBSTA & (1<<VBUS));  //checks state of VBUS
55 }
56
57 void split_keyboard_setup(void) {
58    setup_handedness();
59
60    if (isLeftHand) {
61    /* if (has_usb()) { */
62       keyboard_master_setup();
63    } else {
64       keyboard_slave_setup();
65    }
66    sei();
67 }
68
69 void keyboard_slave_loop(void) {
70    matrix_init();
71
72    while (1) {
73       matrix_slave_scan();
74    }
75 }
76
77 // this code runs before the usb and keyboard is initialized
78 void matrix_setup(void) {
79     split_keyboard_setup();
80
81     if (!isLeftHand) {
82     /* if (!has_usb()) { */
83         keyboard_slave_loop();
84     }
85 }