Initial Arduino IDE based on Processing.

build/shared/lib/avrlib/avrlibdefs.h

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+/*! \file avrlibdefs.h \brief AVRlib global defines and macros. */
+//*****************************************************************************
+//
+// File Name	: 'avrlibdefs.h'
+// Title		: AVRlib global defines and macros include file
+// Author		: Pascal Stang
+// Created		: 7/12/2001
+// Revised		: 9/30/2002
+// Version		: 1.1
+// Target MCU	: Atmel AVR series
+// Editor Tabs	: 4
+//
+//	Description : This include file is designed to contain items useful to all
+//					code files and projects, regardless of specific implementation.
+//
+// This code is distributed under the GNU Public License
+//		which can be found at http://www.gnu.org/licenses/gpl.txt
+//
+//*****************************************************************************
+
+
+#ifndef AVRLIBDEFS_H
+#define AVRLIBDEFS_H
+
+// Code compatibility to new AVR-libc
+// outb(), inb(), BV(), sbi(), cbi(), sei(), cli()
+#ifndef outb
+	#define	outb(addr, data)	addr = (data)
+#endif
+#ifndef inb
+	#define	inb(addr)			(addr)
+#endif
+#ifndef BV
+	#define BV(bit)			(1<<(bit))
+#endif
+#ifndef cbi
+	#define cbi(reg,bit)	reg &= ~(BV(bit))
+#endif
+#ifndef sbi
+	#define sbi(reg,bit)	reg |= (BV(bit))
+#endif
+#ifndef cli
+	#define cli()			__asm__ __volatile__ ("cli" ::)
+#endif
+#ifndef sei
+	#define sei()			__asm__ __volatile__ ("sei" ::)
+#endif
+
+// support for individual port pin naming in the mega128
+// see port128.h for details
+#ifdef __AVR_ATmega128__
+// not currently necessary due to inclusion
+// of these defines in newest AVR-GCC
+// do a quick test to see if include is needed
+#ifndef PD0
+	#include "port128.h"
+#endif
+#endif
+
+// use this for packed structures
+// (this is seldom necessary on an 8-bit architecture like AVR,
+//  but can assist in code portability to AVR)
+#define GNUC_PACKED __attribute__((packed)) 
+
+// port address helpers
+#define DDR(x) ((x)-1)    // address of data direction register of port x
+#define PIN(x) ((x)-2)    // address of input register of port x
+
+// MIN/MAX/ABS macros
+#define MIN(a,b)			((a<b)?(a):(b))
+#define MAX(a,b)			((a>b)?(a):(b))
+#define ABS(x)				((x>0)?(x):(-x))
+
+// constants
+#define PI		3.14159265359
+
+#endif