75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
#ifndef _JOYSTICK_H_
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#define _JOYSTICK_H_
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#include <Arduino.h>
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// If you're using the arduino-big-joystick firmware, these numbers can't be
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// changed. If you're writing your own Report Descriptor, tune these to match by
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// defining them *before* you include Joystick.h.
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#ifndef JOYSTICK_NUM_AXES
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#define JOYSTICK_NUM_AXES 8
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#endif
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#ifndef JOYSTICK_NUM_BUTTONS
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#define JOYSTICK_NUM_BUTTONS 40
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#endif
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#define JOYSTICK_NUM_BYTES (JOYSTICK_NUM_BUTTONS+7)/8
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enum ButtonType {
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BUTTON_LATCHED = 0x1,
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BUTTON_PULSED = 0x2,
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BUTTON_PULSED_DOUBLE_ACTION = 0x4
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};
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struct JoyReport {
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int16_t axis[JOYSTICK_NUM_AXES];
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uint8_t button[JOYSTICK_NUM_BYTES];
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};
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struct Button {
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uint8_t pin;
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ButtonType type;
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uint8_t last_state;
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bool pullup;
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};
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bool operator ==(JoyReport a, JoyReport b);
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bool operator !=(JoyReport a, JoyReport b);
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class Joystick {
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public:
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Joystick(bool debug=false);
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void Init();
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void Update();
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void AddButton(uint8_t pin, ButtonType type, bool pullup=false);
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void AddAxis(uint8_t pin);
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// These functions are deprecated and may become private in a future
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// version. Prefer the above API instead.
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void SetAxis(uint8_t axis, int16_t value);
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void PressButton(uint8_t button);
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void ReleaseButton(uint8_t button);
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void ReleaseAllButtons();
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void Write();
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private:
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void _ReleasePulsedButtons();
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void _UpdateButton(Button& button, uint8_t index);
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void _UpdateAxis(uint8_t index);
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Button _buttons[JOYSTICK_NUM_BUTTONS];
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uint8_t _num_buttons;
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bool _have_pulsed_button;
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uint8_t _axes[JOYSTICK_NUM_AXES];
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uint8_t _num_axes;
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JoyReport _joyReport;
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bool _debug;
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};
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// Internal use only.
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#define _BUTTON_PULSED_TYPES (BUTTON_PULSED | BUTTON_PULSED_DOUBLE_ACTION)
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#endif
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