Detailed Description

All Elements that extend the number of IO pins of the Arduino: Includes shift registers (e.g.

74HC595), multiplexers (e.g. 74HC4067, 74HC4051), port expanders (e.g. MCP23017), LED drivers (e.g. MAX7219), etc.

Classes
class	AnalogMultiplex< N >
	A class for reading multiplexed analog inputs. More...

class	MAX7219< NumChips, SPIDriver >
	A class for LED outputs using the MAX7219 LED display driver. More...

class	MCP23017< WireType >
	Class for MCP23017 I²C I/O expanders. More...

class	ShiftRegisterOut< N >
	A class for serial-in/parallel-out shift registers, like the 74HC595. More...

class	ShiftRegisterOutBase< N >
	A class for serial-in/parallel-out shift registers, like the 74HC595. More...

class	SPIShiftRegisterOut< N, SPIDriver >
	A class for serial-in/parallel-out shift registers, like the 74HC595 that are connected to the SPI bus. More...

Typedefs
using	CD74HC4067 = AnalogMultiplex< 4 >
	An alias for AnalogMultiplex<4> to use with CD74HC4067 analog multiplexers. More...

using	CD74HC4051 = AnalogMultiplex< 3 >
	An alias for AnalogMultiplex<3> to use with CD74HC4051 analog multiplexers. More...

Functions
bool	isNativePin (pin_t pin)
	Check if the given pin number is a real Arduino pin number, and not an ExtIO pin number. More...

ExtendedIOElement *	getIOElementOfPinOrNull (pin_t pin)
	Find the IO element of a given extended IO pin number. More...

ExtendedIOElement *	getIOElementOfPin (pin_t pin)
	Find the IO element of a given extended IO pin number. More...

void	pinMode (pin_t pin, PinMode_t mode)
	An ExtIO version of the Arduino function. More...

void	pinMode (int pin, PinMode_t mode)
	Overload to Arduino pinMode function. More...

void	digitalWrite (pin_t pin, PinStatus_t val)
	An ExtIO version of the Arduino function. More...

void	digitalWrite (int pin, PinStatus_t val)
	Overload to Arduino digitalWrite function. More...

PinStatus_t	digitalRead (pin_t pin)
	An ExtIO version of the Arduino function. More...

PinStatus_t	digitalRead (int pin)
	Overload to Arduino digitalRead function. More...

analog_t	analogRead (pin_t pin)
	An ExtIO version of the Arduino function. More...

analog_t	analogRead (int pin)
	Overload to Arduino analogRead function. More...

void	analogWrite (pin_t pin, analog_t val)
	An ExtIO version of the Arduino function. More...

void	analogWrite (pin_t pin, int val)
	An ExtIO version of the Arduino function. More...

void	analogWrite (int pin, analog_t val)
	Overload to Arduino analogWrite function. More...

void	analogWrite (int pin, int val)
	Overload to Arduino analogWrite function. More...

void	shiftOut (pin_t dataPin, pin_t clockPin, BitOrder_t bitOrder, uint8_t val)
	An ExtIO version of the Arduino function. More...

void	shiftOut (int dataPin, int clockPin, BitOrder_t bitOrder, uint8_t val)
	Overload to Arduino shiftOut function. More...

void	pinModeBuffered (pin_t pin, PinMode_t mode)
	A buffered ExtIO version of the Arduino function. More...

void	digitalWriteBuffered (pin_t pin, PinStatus_t val)
	A buffered ExtIO version of the Arduino function. More...

PinStatus_t	digitalReadBuffered (pin_t pin)
	A buffered ExtIO version of the Arduino function. More...

analog_t	analogReadBuffered (pin_t pin)
	A buffered ExtIO version of the Arduino function. More...

void	analogWriteBuffered (pin_t pin, analog_t val)
	A buffered ExtIO version of the Arduino function. More...

void	analogWriteBuffered (pin_t pin, int val)
	A buffered ExtIO version of the Arduino function. More...

Typedef Documentation

◆ CD74HC4067

using CD74HC4067 = AnalogMultiplex<4>

An alias for AnalogMultiplex<4> to use with CD74HC4067 analog multiplexers.

Definition at line 185 of file AnalogMultiplex.hpp.

◆ CD74HC4051

using CD74HC4051 = AnalogMultiplex<3>

An alias for AnalogMultiplex<3> to use with CD74HC4051 analog multiplexers.

Definition at line 193 of file AnalogMultiplex.hpp.

Function Documentation

◆ isNativePin()

bool isNativePin ( pin_t pin )

inline

Check if the given pin number is a real Arduino pin number, and not an ExtIO pin number.

Definition at line 24 of file ExtendedInputOutput.hpp.

◆ getIOElementOfPinOrNull()

ExtendedIOElement * getIOElementOfPinOrNull ( pin_t pin )

Find the IO element of a given extended IO pin number.

Parameters

pin	The extended IO pin number to find the IO element of.

Returns: A pointer to the extended IO element that the given pin belongs to.

Definition at line 14 of file ExtendedInputOutput.cpp.

◆ getIOElementOfPin()

ExtendedIOElement * getIOElementOfPin ( pin_t pin )

Find the IO element of a given extended IO pin number.

Parameters

pin	The extended IO pin number to find the IO element of.

Returns: A pointer to the extended IO element that the given pin belongs to. Throws an error if the element was not found.

Definition at line 23 of file ExtendedInputOutput.cpp.

◆ pinMode() [1/2]

void pinMode	(	pin_t	pin,
		PinMode_t	mode
	)

An ExtIO version of the Arduino function.

See also: ExtendedIOElement::pinMode

Examples: 1.MAX7219-Blink.ino, 1.SPI-Blink.ino, 2.BitBang-Blink.ino, 2.Button.ino, Blink-Frequency-Buttons.ino, BlinkWithoutDelay-Timer.ino, and MCP23017.ino.

Definition at line 37 of file ExtendedInputOutput.cpp.

◆ pinMode() [2/2]

void pinMode	(	int	pin,
		PinMode_t	mode
	)

Overload to Arduino pinMode function.

Definition at line 47 of file ExtendedInputOutput.cpp.

◆ digitalWrite() [1/2]

void digitalWrite	(	pin_t	pin,
		PinStatus_t	val
	)

An ExtIO version of the Arduino function.

See also: ExtendedIOElement::digitalWrite

Examples: 1.MAX7219-Blink.ino, 1.SPI-Blink.ino, 2.BitBang-Blink.ino, 2.Button.ino, 2.RGB-LED-Chaser.ino, Blink-Frequency-Buttons.ino, BlinkWithoutDelay-Timer.ino, and MCP23017.ino.

Definition at line 51 of file ExtendedInputOutput.cpp.

◆ digitalWrite() [2/2]

void digitalWrite	(	int	pin,
		PinStatus_t	val
	)

Overload to Arduino digitalWrite function.

Definition at line 61 of file ExtendedInputOutput.cpp.

◆ digitalRead() [1/2]

PinStatus_t digitalRead ( pin_t pin )

An ExtIO version of the Arduino function.

See also: ExtendedIOElement::digitalRead

Examples: 2.DigitalReadSerial.ino, Blink-Frequency-Buttons.ino, BlinkWithoutDelay-Timer.ino, and MCP23017.ino.

Definition at line 65 of file ExtendedInputOutput.cpp.

◆ digitalRead() [2/2]

PinStatus_t digitalRead ( int pin )

Overload to Arduino digitalRead function.

Definition at line 75 of file ExtendedInputOutput.cpp.

◆ analogRead() [1/2]

analog_t analogRead ( pin_t pin )

An ExtIO version of the Arduino function.

See also: ExtendedIOElement::analogRead

Examples: 1.AnalogReadSerial.ino.

Definition at line 79 of file ExtendedInputOutput.cpp.

◆ analogRead() [2/2]

analog_t analogRead ( int pin )

Overload to Arduino analogRead function.

Definition at line 89 of file ExtendedInputOutput.cpp.

◆ analogWrite() [1/4]

void analogWrite	(	pin_t	pin,
		analog_t	val
	)

An ExtIO version of the Arduino function.

See also: ExtendedIOElement::analogWrite

Definition at line 91 of file ExtendedInputOutput.cpp.

◆ analogWrite() [2/4]

void analogWrite	(	pin_t	pin,
		int	val
	)

An ExtIO version of the Arduino function.

See also: ExtendedIOElement::analogWrite

Definition at line 103 of file ExtendedInputOutput.cpp.

◆ analogWrite() [3/4]

void analogWrite	(	int	pin,
		analog_t	val
	)

Overload to Arduino analogWrite function.

Definition at line 105 of file ExtendedInputOutput.cpp.

◆ analogWrite() [4/4]

void analogWrite	(	int	pin,
		int	val
	)

Overload to Arduino analogWrite function.

Definition at line 108 of file ExtendedInputOutput.cpp.

◆ shiftOut() [1/2]

void shiftOut	(	pin_t	dataPin,
		pin_t	clockPin,
		BitOrder_t	bitOrder,
		uint8_t	val
	)

An ExtIO version of the Arduino function.

Definition at line 174 of file ExtendedInputOutput.cpp.

◆ shiftOut() [2/2]

void shiftOut	(	int	dataPin,
		int	clockPin,
		BitOrder_t	bitOrder,
		uint8_t	val
	)

Overload to Arduino shiftOut function.

Definition at line 204 of file ExtendedInputOutput.cpp.

◆ pinModeBuffered()

void pinModeBuffered	(	pin_t	pin,
		PinMode_t	mode
	)

A buffered ExtIO version of the Arduino function.

See also: ExtendedIOElement::pinModeBuffered

Definition at line 113 of file ExtendedInputOutput.cpp.

◆ digitalWriteBuffered()

void digitalWriteBuffered	(	pin_t	pin,
		PinStatus_t	val
	)

A buffered ExtIO version of the Arduino function.

See also: ExtendedIOElement::digitalWriteBuffered

Definition at line 124 of file ExtendedInputOutput.cpp.

◆ digitalReadBuffered()

PinStatus_t digitalReadBuffered ( pin_t pin )

A buffered ExtIO version of the Arduino function.

See also: ExtendedIOElement::digitalReadBuffered

Definition at line 135 of file ExtendedInputOutput.cpp.

◆ analogReadBuffered()

analog_t analogReadBuffered ( pin_t pin )

A buffered ExtIO version of the Arduino function.

See also: ExtendedIOElement::analogReadBuffered

Definition at line 146 of file ExtendedInputOutput.cpp.

◆ analogWriteBuffered() [1/2]

void analogWriteBuffered	(	pin_t	pin,
		analog_t	val
	)

A buffered ExtIO version of the Arduino function.

See also: ExtendedIOElement::analogWriteBuffered

Definition at line 158 of file ExtendedInputOutput.cpp.

◆ analogWriteBuffered() [2/2]

void analogWriteBuffered	(	pin_t	pin,
		int	val
	)

A buffered ExtIO version of the Arduino function.

See also: ExtendedIOElement::analogWriteBuffered

Definition at line 170 of file ExtendedInputOutput.cpp.

Detailed Description

Classes

Typedefs

Functions

Typedef Documentation

◆ CD74HC4067

◆ CD74HC4051

Function Documentation

◆ isNativePin()

◆ getIOElementOfPinOrNull()

◆ getIOElementOfPin()

◆ pinMode() [1/2]

◆ pinMode() [2/2]

◆ digitalWrite() [1/2]

◆ digitalWrite() [2/2]

◆ digitalRead() [1/2]

◆ digitalRead() [2/2]

◆ analogRead() [1/2]

◆ analogRead() [2/2]

◆ analogWrite() [1/4]

◆ analogWrite() [2/4]

◆ analogWrite() [3/4]

◆ analogWrite() [4/4]

◆ shiftOut() [1/2]

◆ shiftOut() [2/2]

◆ pinModeBuffered()

◆ digitalWriteBuffered()

◆ digitalReadBuffered()

◆ analogReadBuffered()

◆ analogWriteBuffered() [1/2]

◆ analogWriteBuffered() [2/2]