O Expander with Serial Interface]

Device driver for 8-Bit I/O Expander with Serial Interface.

#include <otMCP23008.h>

Inheritance diagram for otMCP23008:


Public Member Functions
	otMCP23008 ()
void	init (U8 addressIndex=0)
U8	pinRead (U8 pin)
void	pinWrite (U8 pin, bool set)
void	pinPullUp (U8 pin, bool ena)
void	pinMode (U8 pin, bool input)
void	write (U8 data)
U8	read ()

Constructor & Destructor Documentation

otMCP23008.otMCP23008 ( )

Init the class

Member Function Documentation

void otMCP23008.init ( U8 addressIndex = 0 )

Set the base address
Parameters:

addressIndex Select which device is selected in the range 0:7

Reimplemented in otMultimediaShield.

void otMCP23008.pinMode ( U8 pin,

bool input

)

Set the direction of a selected pin
Parameters:

pin Pin selection 0 to 7

input Set true for input or false for output

void otMCP23008.pinPullUp ( U8 pin,

bool ena

)

Enable or disable a pull up on a selected pin
Parameters:

pin Pin selection 0 to 7

ena True enable the pull up

U8 otMCP23008.pinRead ( U8 pin )

Read the value of a specified pin
Parameters:

pin Pin selection 0 to 7

Returns:
0 or 1

void otMCP23008.pinWrite ( U8 pin,

bool set

)

Set a pin to a desidered value
Parameters:

pin Pin selection 0 to 7

set True set to 1 or false to 0

U8 otMCP23008.read ( )

Read the port contents.

void otMCP23008.write ( U8 data )

Writes all 8 bits of the port.
Parameters:

data Data to be write

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

otMCP23008.h

footer

otMCP23008 Class Reference [MCP23008 - 8-Bit I/O Expander with Serial Interface, MCP23008 - 8-Bit I/O Expander with Serial Interface]

Public Member Functions

Constructor & Destructor Documentation

Member Function Documentation

otMCP23008 Class Reference
[MCP23008 - 8-Bit I/O Expander with Serial Interface, MCP23008 - 8-Bit I/O Expander with Serial Interface]