arch/arm/mach-at91sam7/libs/armlibdefs.h

   1 /*! \file armlibdefs.h \brief ARMlib global defines and macros. */
   2 //*****************************************************************************
   3 //
   4 // File Name    : 'armlibdefs.h'
   5 // Title                : ARMlib 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   : ARM
  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 ARMLIBDEFS_H
  23 #define ARMLIBDEFS_H
  24
  25 // MIN/MAX/ABS macros
  26 #define MIN(a,b)                        (((a)<(b))?(a):(b))
  27 #define MAX(a,b)                        (((a)>(b))?(a):(b))
  28 #define ABS(x)                          (((x)>0)?(x):(-x))
  29
  30 // constants
  31 #define PI              3.14159265359
  32
  33 // some handy defines
  34 #ifndef BIT
  35 #define BIT(n)                          (1 << (n))
  36 #endif
  37 #ifndef BV
  38 #define BV(n)                           (1 << (n))
  39 #endif
  40
  41 #define sbi(num,bitloc)         (num|=(1<<bitloc))
  42 #define cbi(num,bitloc)         (num&=~(1<<bitloc))
  43 #define gbi(num,bitloc)         ((num&=(1<<bitloc))>>bitloc)
  44
  45 #define SET_BIT(x,b) ( x=(x|(1<<(b))) )
  46 #define CLR_BIT(x,b) ( x=(x&~(1<<(b))) )
  47 #define TGL_BIT(x,b) ( x=(x^(1<<(b))) )
  48
  49 #define NOP         __asm__ volatile("nop");
  50
  51 #define bool_val(x) ((x)==0)?FALSE:TRUE
  52
  53
  54 #define IN_RANGE(x,min,max) ((((x)>=(min))&&((x)<=(max))))
  55
  56
  57 // use this for packed structures
  58 #define GNUC_PACKED __attribute__((packed))
  59
  60 // port bits
  61 #define P00                     BIT(0)          // P0.00
  62 #define P01                     BIT(1)          // P0.01
  63 #define P02                     BIT(2)          // P0.02
  64 #define P03                     BIT(3)          // P0.03
  65 #define P04                     BIT(4)          // P0.04
  66 #define P05                     BIT(5)          // P0.05
  67 #define P06                     BIT(6)          // P0.06
  68 #define P07                     BIT(7)          // P0.07
  69 #define P08                     BIT(8)          // P0.08
  70 #define P09                     BIT(9)          // P0.09
  71 #define P10                     BIT(10)         // P0.10
  72 #define P11                     BIT(11)         // P0.11
  73 #define P12                     BIT(12)         // P0.12
  74 #define P13                     BIT(13)         // P0.13
  75 #define P14                     BIT(14)         // P0.14
  76 #define P15                     BIT(15)         // P0.15
  77 #define P16                     BIT(16)         // P0.16
  78 #define P17                     BIT(17)         // P0.17
  79 #define P18                     BIT(18)         // P0.18
  80 #define P19                     BIT(19)         // P0.19
  81 #define P20                     BIT(20)         // P0.20
  82 #define P21                     BIT(21)         // P0.21
  83 #define P22                     BIT(22)         // P0.22
  84 #define P23                     BIT(23)         // P0.23
  85 #define P24                     BIT(24)         // P0.24
  86 #define P25                     BIT(25)         // P0.25
  87 #define P26                     BIT(26)         // P0.26
  88 #define P27                     BIT(27)         // P0.27
  89 #define P28                     BIT(28)         // P0.28
  90 #define P29                     BIT(29)         // P0.29
  91 #define P30                     BIT(30)         // P0.30
  92 #define P31                     BIT(31)         // P0.31
  93
  94
  95 #endif