PCF8574::GPIO< PIN > Class Template Reference

#include <PCF8574.h>

Collaboration diagram for PCF8574::GPIO< PIN >:

Public Member Functions
	GPIO (PCF8574 &dev)
void	input ()
void	output ()
bool	read ()
	operator bool ()
void	write (int value)
void	operator= (int value)

Static Public Attributes
static const uint8_t	MASK = (1 << (PIN & 0x7))

Protected Attributes
PCF8574 &	m_dev

Detailed Description

template<uint8_t PIN>
class PCF8574::GPIO< PIN >

PCF8574 based General Purpose Digital I/O pin template class.

Parameters

[in]

PIN

index on device (0..7).

Definition at line 136 of file PCF8574.h.

Constructor & Destructor Documentation

template<uint8_t PIN>

PCF8574::GPIO< PIN >::GPIO ( PCF8574 &  dev )

inline

Construct pin handler with given PCF8574 device driver.

Definition at line 144 of file PCF8574.h.

Member Function Documentation

template<uint8_t PIN>

void PCF8574::GPIO< PIN >::input ( )

inline

Set input mode.

Definition at line 149 of file PCF8574.h.

template<uint8_t PIN>

PCF8574::GPIO< PIN >::operator bool ( )

inline

Read pin state. Return true is set otherwise false. Shorthand for read().

Returns

bool.

Definition at line 180 of file PCF8574.h.

template<uint8_t PIN>

void PCF8574::GPIO< PIN >::operator= ( int  value )

inline

Assign pin state one(1) if given value is non-zero, otherwise zero(0). Shorthand for write().

Definition at line 205 of file PCF8574.h.

template<uint8_t PIN>

void PCF8574::GPIO< PIN >::output ( )

inline

Set output mode.

Definition at line 158 of file PCF8574.h.

template<uint8_t PIN>

bool PCF8574::GPIO< PIN >::read ( )

inline

Read pin state. Return true is set otherwise false.

Returns

bool.

Definition at line 168 of file PCF8574.h.

template<uint8_t PIN>

void PCF8574::GPIO< PIN >::write ( int  value )

inline

Write pin state one(1) if given value is non-zero, otherwise zero(0).

Parameters

[in]

value

to write.

Definition at line 191 of file PCF8574.h.

Member Data Documentation

template<uint8_t PIN>

PCF8574& PCF8574::GPIO< PIN >::m_dev

protected

Definition at line 212 of file PCF8574.h.

template<uint8_t PIN>

const uint8_t PCF8574::GPIO< PIN >::MASK = (1 << (PIN & 0x7))

static

Pin bit position mask.

Definition at line 139 of file PCF8574.h.

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

• src/Driver/PCF8574.h