keyboard/qmk/keyboards/kyria/keymaps/gotham/thumbstick.h

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#pragma once
typedef enum {
THUMBSTICK_MODE_MOUSE = 0,
THUMBSTICK_MODE_ARROWS,
THUMBSTICK_MODE_SCROLL,
_THUMBSTICK_MODE_LAST // Do not use, except for looping through enum values
} thumbstick_mode_t;
// Parameters
#define THUMBSTICK_DEAD_ZONE 90 // Values below this are ignored (deadzone)
#define THUMBSTICK_FINE_ZONE 180 // Values below this enable fine movement
#define THUMBSTICK_MODE THUMBSTICK_MODE_MOUSE
#define THUMBSTICK_SPEED 256
#define THUMBSTICK_FINE_SPEED 96
#define THUMBSTICK_SCROLL_SPEED 1
#define THUMBSTICK_EIGHT_AXIS true
#define THUMBSTICK_AXIS_SEPARATION 0.5f
// Implicit and derived constants
#define THUMBSTICK_TIMEOUT 10 // Mouse report throttling time in ms
#define THUMBSTICK_SCROLL_TIMEOUT 200 // Mouse scroll throttling time in ms
#define THUMBSTICK_RANGE_START 0
#define THUMBSTICK_RANGE_STOP 1023
#define THUMBSTICK_RANGE_CENTER (THUMBSTICK_RANGE_STOP - THUMBSTICK_RANGE_START + 1) / 2
#define THUMBSTICK_RANGE_MOVEMENT (THUMBSTICK_RANGE_CENTER - THUMBSTICK_DEAD_ZONE)
#include "timer.h"
#include "analog.h"
#include "split_util.h"
#include "pointing_device.h"
#if defined THUMBSTICK_DEBUG
# include "print.h"
uint16_t rawX;
uint16_t rawY;
uint16_t distX;
uint16_t distY;
uint16_t thumbstickLogTimer;
#endif
typedef struct {
thumbstick_mode_t mode;
uint16_t deadZone;
uint16_t fineZone;
uint16_t speed;
uint16_t fineSpeed;
float axisSeparation;
bool eightAxis;
} thumbstick_config_t;
typedef struct {
int16_t x;
int16_t y;
} thumbstick_vector_t;
typedef struct {
bool up;
bool right;
bool down;
bool left;
} thumbstick_direction_t;
typedef struct {
thumbstick_config_t config;
thumbstick_vector_t vector;
thumbstick_direction_t direction;
thumbstick_direction_t lastDirection;
report_mouse_t report;
} thumbstick_state_t;
uint16_t thumbstickTimer;
uint16_t thumbstickScrollTimer;
thumbstick_state_t thumbstick_state;
void thumbstick_mode_set(thumbstick_mode_t mode);
thumbstick_mode_t thumbstick_mode_get(void);
void thumbstick_mode_cycle(bool reverse);
void thumbstick_init(void);
// Axis-level wrapper to read raw value, do logging and calculate speed
int16_t thumbstick_get_component(uint8_t pin);
// Get mouse speed
int16_t thumbstick_get_mouse_speed(int16_t component);
// Fix direction within one of 8 axes (or 4 if 8-axis is disabled)
thumbstick_direction_t thumbstick_get_discretized_direction(thumbstick_vector_t vector, float axisSeparation, bool eightAxis);
void thumbstick_process(void);
void update_keycode_status(uint16_t keycode, bool last, bool current);