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Namespace eva

Namespace List > eva

Classes

Type Name
class AnalogPinReader <PIN, PIN_MODE>
Reads analog pin value.
class BinarizeEqDecor <class TReader, ACTIVATES_ON>
Decorator that converts reading to binary based on level.
class BinarizeGtDecor <class TReader, THRESHOLD>
Decorator that converts analog reading to binary based on 'greater then' threshold condition.
class BinarizeLtDecor <class TReader, THRESHOLD>
Decorator that converts analog reading to binary based on 'less then' threshold condition.
class BlinkingIndicator
Indicator that blinks with specified period and duty cycle.
class Button <class TReader>
Button with press/release and click detection.
struct CallbackInfo
class CountdownIndicator
Indicator that blinks a specified number of times then notifies listener.
class CountdownTimer
Timer that fires repeatedly at fixed intervals.
class DebounceDecor <class TReader>
Decorator that stabilizes readings by requiring value to be stable for a period.
class DelayTimer
One-shot timer that fires after a delay.
class DigitalPinReader <PIN, PIN_MODE>
Reads digital pin value.
class Handler <class T>
Handler that calls a member method.
class HandlerF
Handler that calls a free function.
class Heartbeat
Base class for components that need periodic updates.
class IHandler
Interface for message handlers.
class IReader
Interface for value readers.
class IReaderAdapter <class T>
Adapter that converts any class with getValue() into an IReader .
class Indicator
Basic indicator (LED) control.
class Joystick <class TReader, MIN_POS, MIDDLE_POS, MAX_POS>
Joystick axis reader (range 1000-1500-2000) with trim adjustment.
class List <class ItemClass>
Simple singly-linked list container.
struct ListIterator <class ItemClass>
Iterator node for List .
class QuantizeDecor <class TReader, LEVELS>
Decorator that quantizes analog readings to discrete levels.
class RepeatTimer
Timer that fires repeatedly at fixed intervals.
class ScrollButton <class TReader>
Button with auto-repeat (typematic) functionality.
class Slider <class TReader, MIN_POS, MAX_POS>
Maps analog readings to 1000-2000 range.
class Switch <class TReader>
Universal switch/button class for multi-valued input sources.
class Tickable
Base class for objects that need periodic updates.

Public Types

Type Name
typedef Button< BinarizeEqDecor< DebounceDecor< DigitalPinReader< PIN, PIN_MODE > >, ACTIVATES_ON > > PinButton
Digital pin button with debouncing and level normalization.
typedef Joystick< AnalogPinReader< PIN, PIN_MODE >, MIN_POS, MIDDLE_POS, MAX_POS > PinJoystick
Pin-based joystick with custom center position.
typedef Button< QuantizeDecor< DebounceDecor< AnalogPinReader< PIN, PIN_MODE > >, LEVELS... > > PinMultiButton
Multiple buttons on a single ADC pin using resistor ladder.
typedef Switch< QuantizeDecor< DebounceDecor< AnalogPinReader< PIN, PIN_MODE > >, LEVELS... > > PinMultiSwitch
Multiple switches on a single ADC pin using resistor ladder.
typedef Button< BinarizeEqDecor< DebounceDecor< DigitalPinReader< PIN, PIN_MODE > >, ACTIVATES_ON > > PinScrollButton
Digital pin key-button with debouncing and level normalization.
typedef ScrollButton< QuantizeDecor< DebounceDecor< AnalogPinReader< PIN, PIN_MODE > >, LEVELS... > > PinScrollMultiButton
Multiple key-buttons on a single ADC pin using resistor ladder.
typedef Slider< AnalogPinReader< PIN, PIN_MODE >, MIN_POS, MAX_POS > PinSlider
Pin-based slider mapping analog readings to 0-255 range.
typedef Switch< BinarizeEqDecor< DebounceDecor< DigitalPinReader< PIN, PIN_MODE > >, ACTIVE_LEVEL > > PinSwitch
Digital pin switch with debouncing and level normalization.
typedef Joystick< AnalogPinReader< PIN, PIN_MODE >, MIN_POS,(MAX_POS+MIN_POS)/2, MAX_POS > PinSymmetricJoystick
Pin-based joystick with symmetric range (MIN_POS to MAX_POS, center at midpoint).
typedef Button< BinarizeEqDecor< DebounceDecor< DigitalPinReader< PIN, INPUT_PULLUP > >, LOW > > PullUpButton
Pull-up button (active LOW, connect to GND).
typedef ScrollButton< BinarizeEqDecor< DebounceDecor< DigitalPinReader< PIN, INPUT_PULLUP > >, LOW > > PullupScrollButton
Pull-up key-button (active LOW, connect to GND).
typedef PinSwitch< PIN, INPUT_PULLUP, LOW > PullupSwitch
Pull-up switch (active LOW, connect to GND).

Public Static Attributes

Type Name
const unsigned short DEBOUNCE_DELAY = 120
const unsigned short LONGPRESS_DELAY = 750
const unsigned char ON_CHANGE = 0x04
const unsigned char ON_LONGCLICK = 0x10
const unsigned char ON_LONGPRESS = 0x20
const unsigned char ON_PRESS = 0x01
const unsigned char ON_RELEASE = 0x02
const unsigned char ON_REPEATKEY = 0x40
const unsigned char ON_SHORTCLICK = 0x08
const unsigned short REPEAT_DELAY = 300

Public Functions

Type Name
void tac ()
Triggers all tickable objects to update.

Public Static Functions

Type Name
bool in_between (signed short x, signed short a, signed short b)

Public Types Documentation

typedef PinButton

Digital pin button with debouncing and level normalization. 

using eva::PinButton = Button<BinarizeEqDecor<DebounceDecor<DigitalPinReader<PIN, PIN_MODE>>, ACTIVATES_ON>>;

Combines: * DigitalPinReader for raw pin reading * DebounceDecor for debouncing (120ms stability) * BinarizeEqDecor for mapping to active/inactive based on specified level

Long click threshold is fixed at 750ms.

Template parameters:

  • PIN Arduino pin number
  • PIN_MODE Pin mode (INPUT, INPUT_PULLUP, etc.)
  • ACTIVATES_ON Level that means "pressed" (LOW or HIGH)

typedef PinJoystick

Pin-based joystick with custom center position. 

using eva::PinJoystick = Joystick<AnalogPinReader<PIN, PIN_MODE>, MIN_POS, MIDDLE_POS, MAX_POS>;

Template parameters:

  • PIN Arduino pin number
  • PIN_MODE Pin mode (usually INPUT)
  • MIN_POS Minimum analog reading
  • MIDDLE_POS Center position reading
  • MAX_POS Maximum analog reading

typedef PinMultiButton

Multiple buttons on a single ADC pin using resistor ladder. 

using eva::PinMultiButton = Button<QuantizeDecor<DebounceDecor<AnalogPinReader<PIN, PIN_MODE>>, LEVELS...>>;

Hardware connection: 

 ADC Pin  -----+--R1--+--R2--+-- ... -Rn-+
(analog in)    |      |      |           |
                \      \      \           \
               |      |      |           |
   GND    -----+------+------+-- ... ----+

Each button produces a different ADC value when pressed. The QuantizeDecor maps these values to discrete button codes (1, 2, 3...). DebounceDecor provides debouncing.

Generates standard button events for each button, with the button number encoded in the event mask.

Template parameters:

  • PIN Arduino analog pin number
  • PIN_MODE Pin mode (usually INPUT)
  • LEVELS Threshold values for each button (expected ADC readings)

See also: PinMultiSwitch For use cases without click detection

typedef PinMultiSwitch

Multiple switches on a single ADC pin using resistor ladder. 

using eva::PinMultiSwitch = Switch<QuantizeDecor<DebounceDecor<AnalogPinReader<PIN, PIN_MODE>>, LEVELS...>>;

Hardware connection: 

 ADC Pin  -----+--R1--+--R2--+-- ... -Rn-+
(analog in)    |      |      |           |
                \      \      \           \
               |      |      |           |
   GND    -----+------+------+-- ... ----+

Each switch produces a different ADC value when activated. The QuantizeDecor maps these values to discrete level codes (1, 2, 3...). DebounceDecor provides debouncing.

Template parameters:

  • PIN Arduino analog pin number
  • PIN_MODE Pin mode (usually INPUT)
  • LEVELS Threshold values for each switch (expected ADC readings)

typedef PinScrollButton

Digital pin key-button with debouncing and level normalization. 

using eva::PinScrollButton = Button<BinarizeEqDecor<DebounceDecor<DigitalPinReader<PIN, PIN_MODE>>, ACTIVATES_ON>>;

Combines: * DigitalPinReader for raw pin reading * DebounceDecor for debouncing (120ms stability) * BinarizeEqDecor for mapping to active/inactive based on specified level

Long click threshold is fixed at 750ms.

Template parameters:

  • PIN Arduino pin number
  • PIN_MODE Pin mode (INPUT, INPUT_PULLUP, etc.)
  • ACTIVATES_ON Level that means "pressed" (LOW or HIGH)

typedef PinScrollMultiButton

Multiple key-buttons on a single ADC pin using resistor ladder. 

using eva::PinScrollMultiButton = ScrollButton<QuantizeDecor<DebounceDecor<AnalogPinReader<PIN, PIN_MODE>>, LEVELS...>>;

Hardware connection: 

 ADC Pin  -----+--R1--+--R2--+-- ... -Rn-+
(analog in)    |      |      |           |
                \      \      \           \
               |      |      |           |
   GND    -----+------+------+-- ... ----+

Each button produces a different ADC value when pressed. The QuantizeDecor maps these values to discrete button codes (1, 2, 3...). DebounceDecor provides debouncing.

Generates standard button events for each button, with the button number encoded in the event mask.

Template parameters:

  • PIN Arduino analog pin number
  • PIN_MODE Pin mode (usually INPUT)
  • LEVELS Threshold values for each button (expected ADC readings)

See also: PinMultiSwitch For use cases without click detection

typedef PinSlider

Pin-based slider mapping analog readings to 0-255 range. 

using eva::PinSlider = Slider<AnalogPinReader<PIN, PIN_MODE>, MIN_POS, MAX_POS>;

Template parameters:

  • PIN Arduino pin number
  • PIN_MODE Pin mode (usually INPUT)
  • MIN_POS Minimum analog reading
  • MAX_POS Maximum analog reading

typedef PinSwitch

Digital pin switch with debouncing and level normalization. 

using eva::PinSwitch = Switch<BinarizeEqDecor<DebounceDecor<DigitalPinReader<PIN, PIN_MODE>>, ACTIVE_LEVEL>>;

Combines: * DigitalPinReader for raw pin reading * DebounceDecor for debouncing (120ms stability) * BinarizeEqDecor for mapping to active/inactive based on specified level

Template parameters:

  • PIN Arduino pin number
  • PIN_MODE Pin mode (INPUT, INPUT_PULLUP, etc.)
  • ACTIVE_LEVEL Level that means active (LOW or HIGH)

typedef PinSymmetricJoystick

Pin-based joystick with symmetric range (MIN_POS to MAX_POS, center at midpoint). 

using eva::PinSymmetricJoystick = Joystick<AnalogPinReader<PIN, PIN_MODE>, MIN_POS, (MAX_POS + MIN_POS) / 2, MAX_POS>;

Template parameters:

  • PIN Arduino pin number
  • PIN_MODE Pin mode (usually INPUT)
  • MIN_POS Minimum analog reading
  • MAX_POS Maximum analog reading

typedef PullUpButton

Pull-up button (active LOW, connect to GND). 

using eva::PullUpButton = Button<BinarizeEqDecor<DebounceDecor<DigitalPinReader<PIN, INPUT_PULLUP>>, LOW>>;

Convenience alias for the most common Arduino button wiring: * Pin set to INPUT_PULLUP * Button connects pin to GND when pressed

Generates all button events with proper debouncing.

Template parameters:

  • PIN Arduino pin number

typedef PullupScrollButton

Pull-up key-button (active LOW, connect to GND). 

using eva::PullupScrollButton = ScrollButton<BinarizeEqDecor<DebounceDecor<DigitalPinReader<PIN, INPUT_PULLUP>>, LOW>>;

Convenience alias for the most common Arduino button wiring: * Pin set to INPUT_PULLUP * Button connects pin to GND when pressed

Generates all button events with proper debouncing.

Template parameters:

  • PIN Arduino pin number

typedef PullupSwitch

Pull-up switch (active LOW, connect to GND). 

using eva::PullupSwitch = PinSwitch<PIN, INPUT_PULLUP, LOW>;

Convenience alias for the most common Arduino switch wiring: * Pin set to INPUT_PULLUP * Switch connects pin to GND when pressed

Template parameters:

  • PIN Arduino pin number

Public Static Attributes Documentation

variable DEBOUNCE_DELAY

const unsigned short eva::DEBOUNCE_DELAY;

variable LONGPRESS_DELAY

const unsigned short eva::LONGPRESS_DELAY;

variable ON_CHANGE

const unsigned char eva::ON_CHANGE;

variable ON_LONGCLICK

const unsigned char eva::ON_LONGCLICK;

variable ON_LONGPRESS

const unsigned char eva::ON_LONGPRESS;

variable ON_PRESS

const unsigned char eva::ON_PRESS;

variable ON_RELEASE

const unsigned char eva::ON_RELEASE;

variable ON_REPEATKEY

const unsigned char eva::ON_REPEATKEY;

variable ON_SHORTCLICK

const unsigned char eva::ON_SHORTCLICK;

variable REPEAT_DELAY

const unsigned short eva::REPEAT_DELAY;

Public Functions Documentation

function tac

Triggers all tickable objects to update. 

void eva::tac ()

Public Static Functions Documentation

function in_between

static inline bool eva::in_between (
    signed short x,
    signed short a,
    signed short b
)

The documentation for this class was generated from the following file src/evaBlinkingIndicator.h