src/hardware/fastio.h File Reference

Collection of macros for easily doing I/O on many of the Atmel ATmega MCUs. More...

#include <avr/io.h>

Go to the source code of this file.

Defines
#define	MASK(PIN)   (1 << PIN)
	MASKING- returns .
#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	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

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Detailed Description

Collection of macros for easily doing I/O on many of the Atmel ATmega MCUs.

Author:

Triffid_Hunter This file was written by Triffid_Hunter and has been modified by Kliment.

Definition in file fastio.h.