avr.h File Reference

#include <arch/avr/gcc.h>

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Defines
#define	__AVR__
	Specify AVR target.
#define	cbi(sfr, bit)   (_SFR_BYTE(sfr) &= ~_BV(bit))
#define	sbi(sfr, bit)   (_SFR_BYTE(sfr) |= _BV(bit))
#define	inb(sfr)   _SFR_BYTE(sfr)
#define	outb(sfr, val)   (_SFR_BYTE(sfr) = (val))
#define	BV(bit)   _BV(bit)
#define	inw(sfr)   _SFR_WORD(sfr)
#define	outw(sfr, val)   (_SFR_WORD(sfr) = (val))
#define	PRG_RDB(addr)   pgm_read_byte(addr)
#define	__bss_end   __heap_start
#define	UDR   UDR0
#define	UBRR   UBRR0L
#define	USR   UCSR0A
#define	UCR   UCSR0B
#define	EICR   EICRB
#define	RXC   RXC0
#define	UDRE   UDRE0
#define	FE   FE0
#define	DOR   DOR0
#define	RXCIE   RXCIE0
#define	TXCIE   TXCIE0
#define	UDRIE   UDRIE0
#define	RXEN   RXEN0
#define	TXEN   TXEN0
Variables
void *	__heap_start

---

Define Documentation

#define __AVR__

Specify AVR target.

Only GCC provides this as a predefined macro. Nut/OS explicitly re-defines this, so that it will be available for all compilers.

#define cbi	(		sfr,
			bit
	)		(_SFR_BYTE(sfr) &= ~_BV(bit))

#define sbi	(		sfr,
			bit
	)		(_SFR_BYTE(sfr) |= _BV(bit))

#define inb

(

sfr

)

_SFR_BYTE(sfr)

#define outb	(		sfr,
			val
	)		(_SFR_BYTE(sfr) = (val))

#define BV

(

bit

)

_BV(bit)

#define inw

(

sfr

)

_SFR_WORD(sfr)

#define outw	(		sfr,
			val
	)		(_SFR_WORD(sfr) = (val))

#define PRG_RDB

(

addr

)

pgm_read_byte(addr)

#define __bss_end   __heap_start

#define UDR   UDR0

Referenced by UartAvrOutput().

#define UBRR   UBRR0L

Referenced by AhdlcAvrIOCtl(), and UartAvrIOCtl().

#define USR   UCSR0A

#define UCR   UCSR0B

Referenced by AhdlcAvrPut().

#define EICR   EICRB

Referenced by AhdlcAvrInit(), CFChange(), IDEInit(), NutIrInitSony(), SJAInit(), and wlandrv_Init().

#define RXC   RXC0

#define UDRE   UDRE0

#define FE   FE0

#define DOR   DOR0

#define RXCIE   RXCIE0

#define TXCIE   TXCIE0

#define UDRIE   UDRIE0

Referenced by AhdlcAvrPut().

#define RXEN   RXEN0

#define TXEN   TXEN0

---

Variable Documentation

void* __heap_start