types.h

//******************************************************************
//* PIC Data Types & Macros
//* 
//*
//* Kerry Imming
//* kcimming@pobox.com
//* May 15, 2010
//*
//* 
//******************************************************************
#ifndef TYPES_H
#define TYPES_H

/* Rotate var right by n */
#define ROR8(var,n)         (((var)>>n) | ((var)<<( 8-n)))
#define ROR16(var,n)        (((var)>>n) | ((var)<<(16-n)))

/* Rotate var left by n */
#define ROL8(var,n)         (((var)<<n) | ((var)>>( 8-n)))
#define ROL16(var,n)        (((var)<<n) | ((var)>>(16-n)))

#define bitset(var, bitno)      ((var) |=  (1UL << (bitno)))
#define bitclr(var, bitno)      ((var) &= ~(1UL << (bitno)))
#define bittst(var, bitno)      ((var) &   (1UL << (bitno)))
#define make8(var,offset)       ((unsigned int)var >> (offset * 8)) & 0x00FF
#define make16(varhigh,varlow)  (((unsigned int)varhigh & 0xFF)* 0x100) + ((unsigned int)varlow & 0x00FF)
#define make32(var1,var2,var3,var4) \
                                ((unsigned long)var1<<24)+((unsigned long)var2<<16)+ \
                                ((unsigned long)var3<<8)+((unsigned long)var4)              
#define make32i(var1,var2)      ((unsigned long)var1<<16)+((unsigned long)var2)


typedef unsigned char   BYTE;           // 8-bit
typedef unsigned int    word;           // 16-bit
typedef unsigned long   dword;          // 32-bit

#define UINT16    word
#define UINT32    dword

typedef union _BYTE_VAL {
   struct {
      unsigned int b0:1;
      unsigned int b1:1;
      unsigned int b2:1;
      unsigned int b3:1;
      unsigned int b4:1;
      unsigned int b5:1;
      unsigned int b6:1;
      unsigned int b7:1;
   } bits;
   BYTE Val;
} BYTE_VAL;

typedef enum _BOOL { FALSE = 0, TRUE } BOOL;

#define OK      TRUE
#define FAIL    FALSE

#endif    // TYPES_H