Adafruit_MCP23008 Class Reference

Class that stores state and functions for interacting with MCP23008 chip. More...

#include <TinyAdafruit_MCP23008.h>

Public Member Functions
void	begin (uint8_t addr)
	begin the i2c connection using specified address More...
void	begin (void)
	Begins the i2c connection using default address.
void	pinMode (uint8_t p, uint8_t d)
	Sets the pin mode. More...
void	digitalWrite (uint8_t p, uint8_t d)
	Sets the pin and direction. More...
void	pullUp (uint8_t p, uint8_t d)
	Sets pull-up resistor on specified pin. More...
uint8_t	digitalRead (uint8_t p)
	Reads the status of a gpio pin. More...
uint8_t	readGPIO (void)
	Reads the status of a gpio pin. More...
void	writeGPIO (uint8_t)
	Writes to the gpio. More...

Detailed Description

Class that stores state and functions for interacting with MCP23008 chip.

Member Function Documentation

begin()

void Adafruit_MCP23008::begin

(

uint8_t

addr

)

begin the i2c connection using specified address

Parameters

addr	i2c address of the MCP23008

pinMode()

void Adafruit_MCP23008::pinMode	(	uint8_t	p,
		uint8_t	d
	)

Sets the pin mode.

Parameters

p	Mode to set
d	Pin to set the mode to

digitalWrite()

void Adafruit_MCP23008::digitalWrite	(	uint8_t	p,
		uint8_t	d
	)

Sets the pin and direction.

Parameters

p	Pin to set
d	Direction to set the pin

pullUp()

void Adafruit_MCP23008::pullUp	(	uint8_t	p,
		uint8_t	d
	)

Sets pull-up resistor on specified pin.

Parameters

p	Pin to set
d	Direction to set the pin

digitalRead()

uint8_t Adafruit_MCP23008::digitalRead

(

uint8_t

p

)

Reads the status of a gpio pin.

Parameters

p	Pin to read

Returns

Returns the current gpio

readGPIO()

uint8_t Adafruit_MCP23008::readGPIO

(

void

)

Reads the status of a gpio pin.

Returns

Returns the current GPIO input

writeGPIO()

void Adafruit_MCP23008::writeGPIO

(

uint8_t

gpio

)

Writes to the gpio.

Parameters

gpio	what to write

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The documentation for this class was generated from the following files:

• TinyAdafruit_MCP23008.h
• TinyAdafruit_MCP23008.cpp