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Blame information for rev 6

Line No.	Rev	Author	Line
1	6	kaklik	`/! \file avrlibdefs.h \brief AVRlib global defines and macros. /`
2			`//*****************************************************************************`
3			`//`
4			`// File Name : 'avrlibdefs.h'`
5			`// Title : AVRlib global defines and macros include file`
6			`// Author : Pascal Stang`
7			`// Created : 7/12/2001`
8			`// Revised : 9/30/2002`
9			`// Version : 1.1`
10			`// Target MCU : Atmel AVR series`
11			`// Editor Tabs : 4`
12			`//`
13			`// Description : This include file is designed to contain items useful to all`
14			`// code files and projects, regardless of specific implementation.`
15			`//`
16			`// This code is distributed under the GNU Public License`
17			`// which can be found at http://www.gnu.org/licenses/gpl.txt`
18			`//`
19			`//*****************************************************************************`
20
21
22			`#ifndef AVRLIBDEFS_H`
23			`#define AVRLIBDEFS_H`
24
25			`// Code compatibility to new AVR-libc`
26			`// outb(), inb(), inw(), outw(), BV(), sbi(), cbi(), sei(), cli()`
27			`#ifndef outb`
28			`#define outb(addr, data) addr = (data)`
29			`#endif`
30			`#ifndef inb`
31			`#define inb(addr) (addr)`
32			`#endif`
33			`#ifndef outw`
34			`#define outw(addr, data) addr = (data)`
35			`#endif`
36			`#ifndef inw`
37			`#define inw(addr) (addr)`
38			`#endif`
39			`#ifndef BV`
40			`#define BV(bit) (1<<(bit))`
41			`#endif`
42			`#ifndef cbi`
43			`#define cbi(reg,bit) reg &= ~(BV(bit))`
44			`#endif`
45			`#ifndef sbi`
46			`#define sbi(reg,bit) reg \|= (BV(bit))`
47			`#endif`
48			`#ifndef cli`
49			`#define cli() __asm__ __volatile__ ("cli" ::)`
50			`#endif`
51			`#ifndef sei`
52			`#define sei() __asm__ __volatile__ ("sei" ::)`
53			`#endif`
54
55			`// support for individual port pin naming in the mega128`
56			`// see port128.h for details`
57			`#ifdef __AVR_ATmega128__`
58			`// not currently necessary due to inclusion`
59			`// of these defines in newest AVR-GCC`
60			`// do a quick test to see if include is needed`
61			`#ifndef PD0`
62			`#include "port128.h"`
63			`#endif`
64			`#endif`
65
66			`// use this for packed structures`
67			`// (this is seldom necessary on an 8-bit architecture like AVR,`
68			`// but can assist in code portability to AVR)`
69			`#define GNUC_PACKED __attribute__((packed))`
70
71			`// port address helpers`
72			`#define DDR(x) ((x)-1) // address of data direction register of port x`
73			`#define PIN(x) ((x)-2) // address of input register of port x`
74
75			`// MIN/MAX/ABS macros`
76			`#define MIN(a,b) ((a<b)?(a):(b))`
77			`#define MAX(a,b) ((a>b)?(a):(b))`
78			`#define ABS(x) ((x>0)?(x):(-x))`
79
80			`// constants`
81			`#define PI 3.14159265359`
82
83			`#endif`