armlibdefs.h

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/*! \file armlibdefs.h \brief ARMlib global defines and macros. */
//*****************************************************************************
//
// File Name    : 'armlibdefs.h'
// Title        : ARMlib global defines and macros include file
// Author       : Pascal Stang
// Created      : 7/12/2001
// Revised      : 9/30/2002
// Version      : 1.1
// Target MCU   : ARM
// 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 ARMLIBDEFS_H
#define ARMLIBDEFS_H

// 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

// some handy defines
#ifndef BIT
#define BIT(n)              (1 << (n))
#endif
#ifndef BV
#define BV(n)               (1 << (n))
#endif

#define sbi(num,bitloc)     (num|=(1<<bitloc))
#define cbi(num,bitloc)     (num&=~(1<<bitloc))
#define gbi(num,bitloc)     ((num&=(1<<bitloc))>>bitloc)

// use this for packed structures
#define GNUC_PACKED __attribute__((packed)) 

// port bits
#define P00         BIT(0)      // P0.00
#define P01         BIT(1)      // P0.01
#define P02         BIT(2)      // P0.02
#define P03         BIT(3)      // P0.03
#define P04         BIT(4)      // P0.04
#define P05         BIT(5)      // P0.05
#define P06         BIT(6)      // P0.06
#define P07         BIT(7)      // P0.07
#define P08         BIT(8)      // P0.08
#define P09         BIT(9)      // P0.09
#define P10         BIT(10)     // P0.10
#define P11         BIT(11)     // P0.11
#define P12         BIT(12)     // P0.12
#define P13         BIT(13)     // P0.13
#define P14         BIT(14)     // P0.14
#define P15         BIT(15)     // P0.15
#define P16         BIT(16)     // P0.16
#define P17         BIT(17)     // P0.17
#define P18         BIT(18)     // P0.18
#define P19         BIT(19)     // P0.19
#define P20         BIT(20)     // P0.20
#define P21         BIT(21)     // P0.21
#define P22         BIT(22)     // P0.22
#define P23         BIT(23)     // P0.23
#define P24         BIT(24)     // P0.24
#define P25         BIT(25)     // P0.25
#define P26         BIT(26)     // P0.26
#define P27         BIT(27)     // P0.27
#define P28         BIT(28)     // P0.28
#define P29         BIT(29)     // P0.29
#define P30         BIT(30)     // P0.30
#define P31         BIT(31)     // P0.31

#endif

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