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Reverting changes to Button code

pull/353/head
hank 1 year ago
parent
e15ad108af
commit
40bf7bbb9f
2 changed files with 166 additions and 171 deletions
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  1. 225
      examples/companion_radio/Button.cpp
  2. 112
      examples/companion_radio/Button.h

225
examples/companion_radio/Button.cpp
View File

@ -1,142 +1,125 @@
#include "Button.h"
Button::Button(uint8_t pin, bool activeState)
: _pin(pin), _activeState(activeState), _isAnalog(false), _analogThreshold(20)
{
_currentState = false; // Initialize as not pressed
_lastState = _currentState;
Button::Button(uint8_t pin, bool activeState)
: _pin(pin), _activeState(activeState), _isAnalog(false), _analogThreshold(20) {
_currentState = false; // Initialize as not pressed
_lastState = _currentState;
}
Button::Button(uint8_t pin, bool activeState, bool isAnalog, uint16_t analogThreshold)
: _pin(pin), _activeState(activeState), _isAnalog(isAnalog), _analogThreshold(analogThreshold)
{
_currentState = false; // Initialize as not pressed
_lastState = _currentState;
: _pin(pin), _activeState(activeState), _isAnalog(isAnalog), _analogThreshold(analogThreshold) {
_currentState = false; // Initialize as not pressed
_lastState = _currentState;
}
void Button::begin()
{
_currentState = readButton();
_lastState = _currentState;
void Button::begin() {
_currentState = readButton();
_lastState = _currentState;
}
void Button::update()
{
uint32_t now = millis();
// Read button at specified interval
if (now - _lastReadTime < BUTTON_READ_INTERVAL_MS) {
return;
}
_lastReadTime = now;
bool newState = readButton();
// Check if state has changed
if (newState != _lastState) {
_stateChangeTime = now;
}
// Debounce check
if ((now - _stateChangeTime) > BUTTON_DEBOUNCE_TIME_MS) {
if (newState != _currentState) {
_currentState = newState;
handleStateChange();
void Button::update() {
uint32_t now = millis();
// Read button at specified interval
if (now - _lastReadTime < BUTTON_READ_INTERVAL_MS) {
return;
}
}
_lastState = newState;
// Handle multi-click timeout
if (_state == WAITING_FOR_MULTI_CLICK && (now - _releaseTime) > BUTTON_CLICK_TIMEOUT_MS) {
// Timeout reached, process the clicks
if (_clickCount == 1) {
triggerEvent(SHORT_PRESS);
_lastReadTime = now;
bool newState = readButton();
// Check if state has changed
if (newState != _lastState) {
_stateChangeTime = now;
}
else if (_clickCount == 2) {
triggerEvent(DOUBLE_PRESS);
// Debounce check
if ((now - _stateChangeTime) > BUTTON_DEBOUNCE_TIME_MS) {
if (newState != _currentState) {
_currentState = newState;
handleStateChange();
}
}
else if (_clickCount >= 3) {
triggerEvent(TRIPLE_PRESS);
_lastState = newState;
// Handle multi-click timeout
if (_state == WAITING_FOR_MULTI_CLICK && (now - _releaseTime) > BUTTON_CLICK_TIMEOUT_MS) {
// Timeout reached, process the clicks
if (_clickCount == 1) {
triggerEvent(SHORT_PRESS);
} else if (_clickCount == 2) {
triggerEvent(DOUBLE_PRESS);
} else if (_clickCount >= 3) {
triggerEvent(TRIPLE_PRESS);
}
_clickCount = 0;
_state = IDLE;
}
// Handle long press while button is held
if (_state == PRESSED && (now - _pressTime) > BUTTON_LONG_PRESS_TIME_MS) {
triggerEvent(LONG_PRESS);
_state = IDLE; // Prevent multiple press events
_clickCount = 0;
}
_clickCount = 0;
_state = IDLE;
}
// Handle long press while button is held
if (_state == PRESSED && (now - _pressTime) > BUTTON_LONG_PRESS_TIME_MS) {
triggerEvent(LONG_PRESS);
_state = IDLE; // Prevent multiple press events
_clickCount = 0;
}
}
bool Button::readButton()
{
if (_isAnalog) {
return (analogRead(_pin) < _analogThreshold);
}
else {
return (digitalRead(_pin) == _activeState);
}
bool Button::readButton() {
if (_isAnalog) {
return (analogRead(_pin) < _analogThreshold);
} else {
return (digitalRead(_pin) == _activeState);
}
}
void Button::handleStateChange()
{
uint32_t now = millis();
if (_currentState) {
// Button pressed
_pressTime = now;
_state = PRESSED;
triggerEvent(ANY_PRESS);
}
else {
// Button released
if (_state == PRESSED) {
uint32_t pressDuration = now - _pressTime;
if (pressDuration < BUTTON_LONG_PRESS_TIME_MS) {
// Short press detected
_clickCount++;
_releaseTime = now;
_state = WAITING_FOR_MULTI_CLICK;
}
else {
// Long press already handled in update()
_state = IDLE;
_clickCount = 0;
}
void Button::handleStateChange() {
uint32_t now = millis();
if (_currentState) {
// Button pressed
_pressTime = now;
_state = PRESSED;
triggerEvent(ANY_PRESS);
} else {
// Button released
if (_state == PRESSED) {
uint32_t pressDuration = now - _pressTime;
if (pressDuration < BUTTON_LONG_PRESS_TIME_MS) {
// Short press detected
_clickCount++;
_releaseTime = now;
_state = WAITING_FOR_MULTI_CLICK;
} else {
// Long press already handled in update()
_state = IDLE;
_clickCount = 0;
}
}
}
}
}
void Button::triggerEvent(EventType event)
{
_lastEvent = event;
switch (event) {
case ANY_PRESS:
if (_onAnyPress)
_onAnyPress();
break;
case SHORT_PRESS:
if (_onShortPress)
_onShortPress();
break;
case DOUBLE_PRESS:
if (_onDoublePress)
_onDoublePress();
break;
case TRIPLE_PRESS:
if (_onTriplePress)
_onTriplePress();
break;
case LONG_PRESS:
if (_onLongPress)
_onLongPress();
break;
default:
break;
}
void Button::triggerEvent(EventType event) {
_lastEvent = event;
switch (event) {
case ANY_PRESS:
if (_onAnyPress) _onAnyPress();
break;
case SHORT_PRESS:
if (_onShortPress) _onShortPress();
break;
case DOUBLE_PRESS:
if (_onDoublePress) _onDoublePress();
break;
case TRIPLE_PRESS:
if (_onTriplePress) _onTriplePress();
break;
case LONG_PRESS:
if (_onLongPress) _onLongPress();
break;
default:
break;
}
}

112
examples/companion_radio/Button.h
View File

@ -4,62 +4,74 @@
#include <functional>
// Button timing configuration
#define BUTTON_DEBOUNCE_TIME_MS 50 // Debounce time in ms
#define BUTTON_CLICK_TIMEOUT_MS 500 // Max time between clicks for multi-click
#define BUTTON_LONG_PRESS_TIME_MS 3000 // Time to trigger long press (3 seconds)
#define BUTTON_READ_INTERVAL_MS 10 // How often to read the button
#define BUTTON_DEBOUNCE_TIME_MS 50 // Debounce time in ms
#define BUTTON_CLICK_TIMEOUT_MS 500 // Max time between clicks for multi-click
#define BUTTON_LONG_PRESS_TIME_MS 3000 // Time to trigger long press (3 seconds)
#define BUTTON_READ_INTERVAL_MS 10 // How often to read the button
class Button {
public:
enum EventType { NONE, SHORT_PRESS, DOUBLE_PRESS, TRIPLE_PRESS, LONG_PRESS, ANY_PRESS };
enum EventType {
NONE,
SHORT_PRESS,
DOUBLE_PRESS,
TRIPLE_PRESS,
LONG_PRESS,
ANY_PRESS
};
using EventCallback = std::function<void()>;
using EventCallback = std::function<void()>;
Button(uint8_t pin, bool activeState = LOW);
Button(uint8_t pin, bool activeState, bool isAnalog, uint16_t analogThreshold = 20);
void begin();
void update();
// Set callbacks for different events
void onShortPress(EventCallback callback) { _onShortPress = callback; }
void onDoublePress(EventCallback callback) { _onDoublePress = callback; }
void onTriplePress(EventCallback callback) { _onTriplePress = callback; }
void onLongPress(EventCallback callback) { _onLongPress = callback; }
void onAnyPress(EventCallback callback) { _onAnyPress = callback; }
// State getters
bool isPressed() const { return _currentState; }
EventType getLastEvent() const { return _lastEvent; }
Button(uint8_t pin, bool activeState = LOW);
Button(uint8_t pin, bool activeState, bool isAnalog, uint16_t analogThreshold = 20);
void begin();
void update();
// Set callbacks for different events
void onShortPress(EventCallback callback) { _onShortPress = callback; }
void onDoublePress(EventCallback callback) { _onDoublePress = callback; }
void onTriplePress(EventCallback callback) { _onTriplePress = callback; }
void onLongPress(EventCallback callback) { _onLongPress = callback; }
void onAnyPress(EventCallback callback) { _onAnyPress = callback; }
// State getters
bool isPressed() const { return _currentState; }
EventType getLastEvent() const { return _lastEvent; }
private:
enum State { IDLE, PRESSED, RELEASED, WAITING_FOR_MULTI_CLICK };
uint8_t _pin;
bool _activeState;
bool _isAnalog;
uint16_t _analogThreshold;
State _state = IDLE;
bool _currentState;
bool _lastState;
uint32_t _stateChangeTime = 0;
uint32_t _pressTime = 0;
uint32_t _releaseTime = 0;
uint32_t _lastReadTime = 0;
uint8_t _clickCount = 0;
EventType _lastEvent = NONE;
// Callbacks
EventCallback _onShortPress = nullptr;
EventCallback _onDoublePress = nullptr;
EventCallback _onTriplePress = nullptr;
EventCallback _onLongPress = nullptr;
EventCallback _onAnyPress = nullptr;
enum State {
IDLE,
PRESSED,
RELEASED,
WAITING_FOR_MULTI_CLICK
};
bool readButton();
void handleStateChange();
void triggerEvent(EventType event);
uint8_t _pin;
bool _activeState;
bool _isAnalog;
uint16_t _analogThreshold;
State _state = IDLE;
bool _currentState;
bool _lastState;
uint32_t _stateChangeTime = 0;
uint32_t _pressTime = 0;
uint32_t _releaseTime = 0;
uint32_t _lastReadTime = 0;
uint8_t _clickCount = 0;
EventType _lastEvent = NONE;
// Callbacks
EventCallback _onShortPress = nullptr;
EventCallback _onDoublePress = nullptr;
EventCallback _onTriplePress = nullptr;
EventCallback _onLongPress = nullptr;
EventCallback _onAnyPress = nullptr;
bool readButton();
void handleStateChange();
void triggerEvent(EventType event);
};
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