qmk-firmware/keyboards/cannonkeys/satisfaction75/satisfaction75.h

#pragma once

#include "quantum.h"

#ifdef KEYBOARD_cannonkeys_satisfaction75_prototype
    #include "prototype.h"
#else
    #include "rev1.h"
#endif

#include "via.h" // only for EEPROM address
#define EEPROM_ENABLED_ENCODER_MODES (VIA_EEPROM_CUSTOM_CONFIG_ADDR)
#define EEPROM_CUSTOM_BACKLIGHT (VIA_EEPROM_CUSTOM_CONFIG_ADDR+1)
#define EEPROM_DEFAULT_OLED (VIA_EEPROM_CUSTOM_CONFIG_ADDR+2)
#define EEPROM_CUSTOM_ENCODER (VIA_EEPROM_CUSTOM_CONFIG_ADDR+3)

typedef union {
    uint8_t raw;
    struct {
        bool    enable :1;
        bool    breathing : 1;
        uint8_t level  :6;
    };
} backlight_config_t;

// Start these at the USER code range in VIA
enum my_keycodes {
  ENC_PRESS = 0x5F80,
  CLOCK_SET,
  OLED_TOGG
};

enum s75_keyboard_value_id {
  id_encoder_modes = 0x80,
  id_oled_default_mode,
  id_encoder_custom,
  id_oled_mode
};

enum encoder_modes {
  ENC_MODE_VOLUME,
  ENC_MODE_MEDIA,
  ENC_MODE_SCROLL,
  ENC_MODE_BRIGHTNESS,
  ENC_MODE_BACKLIGHT,
  ENC_MODE_CUSTOM0,
  ENC_MODE_CUSTOM1,
  ENC_MODE_CUSTOM2,
  _NUM_ENCODER_MODES,
  ENC_MODE_CLOCK_SET // This shouldn't be included in the default modes, so we put it after NUM_ENCODER_MODES
};

enum custom_encoder_behavior {
    ENC_CUSTOM_CW = 0,
    ENC_CUSTOM_CCW,
    ENC_CUSTOM_PRESS
};

enum oled_modes {
  OLED_DEFAULT,
  OLED_TIME,
  OLED_OFF,
  _NUM_OLED_MODES
};


// Keyboard Information
extern volatile uint8_t led_numlock;
extern volatile uint8_t led_capslock;
extern volatile uint8_t led_scrolllock;
extern uint8_t layer;

// OLED Behavior
extern uint8_t oled_mode;
extern bool oled_repaint_requested;
extern bool oled_wakeup_requested;
extern uint32_t oled_sleep_timer;

// Encoder Behavior
extern uint8_t encoder_value;
extern uint8_t encoder_mode;
extern uint8_t enabled_encoder_modes;

// RTC
extern RTCDateTime last_timespec;
extern uint16_t last_minute;

// RTC Configuration
extern bool clock_set_mode;
extern uint8_t time_config_idx;
extern int8_t hour_config;
extern int16_t minute_config;
extern int8_t year_config;
extern int8_t month_config;
extern int8_t day_config;
extern uint8_t previous_encoder_mode;

// Backlighting
extern backlight_config_t kb_backlight_config;
extern bool kb_backlight_breathing;

void pre_encoder_mode_change(void);
void post_encoder_mode_change(void);
void change_encoder_mode(bool negative);
uint16_t handle_encoder_clockwise(void);
uint16_t handle_encoder_ccw(void);
uint16_t handle_encoder_press(void);
uint16_t retrieve_custom_encoder_config(uint8_t encoder_idx, uint8_t behavior);
void set_custom_encoder_config(uint8_t encoder_idx, uint8_t behavior, uint16_t new_code);

void update_time_config(int8_t increment);

void oled_request_wakeup(void);
void oled_request_repaint(void);
bool oled_task_needs_to_repaint(void);

void backlight_init_ports(void);
void backlight_set(uint8_t level);
bool is_breathing(void);
void breathing_enable(void);
void breathing_disable(void);
void custom_config_load(void);
void backlight_config_save(void);