107 lines
2.9 KiB
C++

#pragma once
#include <Arduino.h>
class InputManager {
public:
InputManager();
void begin();
uint8_t getState();
/**
* Updates the button states. Should be called regularly in the main loop.
*/
void update();
/**
* Returns true if the button was being held at the time of the last #update() call.
*
* @param buttonIndex the button indexes
* @return the button current press state
*/
bool isPressed(uint8_t buttonIndex) const;
/**
* Returns true if the button went from unpressed to pressed between the last two #update() calls.
*
* This differs from #isPressed() in that pressing and holding a button will cause this function
* to return true after the first #update() call, but false on subsequent calls, whereas #isPressed()
* will continue to return true.
*
* @param buttonIndex
* @return the button pressed state
*/
bool wasPressed(uint8_t buttonIndex) const;
/**
* Returns true if any button started being pressed between the last two #update() calls
*
* @return true if any button started being pressed between the last two #update() calls
*/
bool wasAnyPressed() const;
/**
* Returns true if the button went from pressed to unpressed between the last two #update() calls
*
* @param buttonIndex the button indexes
* @return the button release state
*/
bool wasReleased(uint8_t buttonIndex) const;
/**
* Returns true if any button was released between the last two #update() calls
*
* @return true if any button was released between the last two #update() calls
*/
bool wasAnyReleased() const;
/**
* Returns the time between any button starting to be depressed and all buttons between released
*
* @return duration in milliseconds
*/
unsigned long getHeldTime() const;
// Button indices
static constexpr uint8_t BTN_BACK = 0;
static constexpr uint8_t BTN_CONFIRM = 1;
static constexpr uint8_t BTN_LEFT = 2;
static constexpr uint8_t BTN_RIGHT = 3;
static constexpr uint8_t BTN_UP = 4;
static constexpr uint8_t BTN_DOWN = 5;
static constexpr uint8_t BTN_POWER = 6;
// Pins
static constexpr int BUTTON_ADC_PIN_1 = 1;
static constexpr int BUTTON_ADC_PIN_2 = 2;
static constexpr int POWER_BUTTON_PIN = 3;
// Power button methods
bool isPowerButtonPressed() const;
// Button names
static const char* getButtonName(uint8_t buttonIndex);
private:
int getButtonFromADC(int adcValue, const int ranges[], int numButtons);
uint8_t currentState;
uint8_t lastState;
uint8_t pressedEvents;
uint8_t releasedEvents;
unsigned long lastDebounceTime;
unsigned long buttonPressStart;
unsigned long buttonPressFinish;
static constexpr int NUM_BUTTONS_1 = 4;
static const int ADC_RANGES_1[];
static constexpr int NUM_BUTTONS_2 = 2;
static const int ADC_RANGES_2[];
static constexpr int ADC_NO_BUTTON = 3800;
static constexpr unsigned long DEBOUNCE_DELAY = 5;
static const char* BUTTON_NAMES[];
};