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