src/ArduinoAVR/Repetier/fastio.h File Reference

#include <avr/io.h>

Go to the source code of this file.

Defines
#define	_READ(IO)   ((bool)(DIO ## IO ## _RPORT & MASK(DIO ## IO ## _PIN)))
	Read a pin.
#define	_WRITE(IO, v)   do { if (v) {DIO ## IO ## _WPORT |= MASK(DIO ## IO ## _PIN); } else {DIO ## IO ## _WPORT &= ~MASK(DIO ## IO ## _PIN); }; } while (0)
	write to a pin
#define	_TOGGLE(IO)   do {DIO ## IO ## _RPORT = MASK(DIO ## IO ## _PIN); } while (0)
	toggle a pin
#define	_SET_INPUT(IO)   do {DIO ## IO ## _DDR &= ~MASK(DIO ## IO ## _PIN); } while (0)
	set pin as input
#define	_SET_OUTPUT(IO)   do {DIO ## IO ## _DDR |= MASK(DIO ## IO ## _PIN); } while (0)
	set pin as output
#define	_GET_INPUT(IO)   ((DIO ## IO ## _DDR & MASK(DIO ## IO ## _PIN)) == 0)
	check if pin is an input
#define	_GET_OUTPUT(IO)   ((DIO ## IO ## _DDR & MASK(DIO ## IO ## _PIN)) != 0)
	check if pin is an output
#define	READ(IO)   _READ(IO)
	Read a pin wrapper.
#define	WRITE(IO, v)   _WRITE(IO, v)
	Write to a pin wrapper.
#define	PULLUP(IO, v)   _WRITE(IO, v)
#define	TOGGLE(IO)   _TOGGLE(IO)
	toggle a pin wrapper
#define	SET_INPUT(IO)   _SET_INPUT(IO)
	set pin as input wrapper
#define	SET_OUTPUT(IO)   _SET_OUTPUT(IO)
	set pin as output wrapper
#define	GET_INPUT(IO)   _GET_INPUT(IO)
	check if pin is an input wrapper
#define	GET_OUTPUT(IO)   _GET_OUTPUT(IO)
	check if pin is an output wrapper

---

Define Documentation

#define _GET_INPUT

(

IO

)

((DIO ## IO ## _DDR & MASK(DIO ## IO ## _PIN)) == 0)

check if pin is an input

#define _GET_OUTPUT

(

IO

)

((DIO ## IO ## _DDR & MASK(DIO ## IO ## _PIN)) != 0)

check if pin is an output

#define _READ

(

IO

)

((bool)(DIO ## IO ## _RPORT & MASK(DIO ## IO ## _PIN)))

Read a pin.

#define _SET_INPUT

(

IO

)

do {DIO ## IO ## _DDR &= ~MASK(DIO ## IO ## _PIN); } while (0)

set pin as input

#define _SET_OUTPUT

(

IO

)

do {DIO ## IO ## _DDR |= MASK(DIO ## IO ## _PIN); } while (0)

set pin as output

#define _TOGGLE

(

IO

)

do {DIO ## IO ## _RPORT = MASK(DIO ## IO ## _PIN); } while (0)

toggle a pin

#define _WRITE	(		IO,
			v
	)		do { if (v) {DIO ## IO ## _WPORT |= MASK(DIO ## IO ## _PIN); } else {DIO ## IO ## _WPORT &= ~MASK(DIO ## IO ## _PIN); }; } while (0)

write to a pin

#define GET_INPUT

(

IO

)

_GET_INPUT(IO)

check if pin is an input wrapper

#define GET_OUTPUT

(

IO

)

_GET_OUTPUT(IO)

check if pin is an output wrapper

#define PULLUP	(		IO,
			v
	)		_WRITE(IO, v)

#define READ

(

IO

)

_READ(IO)

Read a pin wrapper.

#define SET_INPUT

(

IO

)

_SET_INPUT(IO)

set pin as input wrapper

#define SET_OUTPUT

(

IO

)

_SET_OUTPUT(IO)

set pin as output wrapper

#define TOGGLE

(

IO

)

_TOGGLE(IO)

toggle a pin wrapper

#define WRITE	(		IO,
			v
	)		_WRITE(IO, v)

Write to a pin wrapper.