compiler.h

ATMEL公司AT89C51SND1为主控制器MP3源代码

/*H**************************************************************************
* NAME:         compiler.h         
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      snd1c-refd-nf-4_0_3      
* REVISION:     1.8     
*----------------------------------------------------------------------------
* PURPOSE:
* This file redefines dedicated KEIL and TASKINKG C51/C251 keywords in order
* to ensure that any source file can be processed by both compilers.
*****************************************************************************/

#ifndef _COMPILER_H_
#define _COMPILER_H_

/*_____ I N C L U D E S ____________________________________________________*/


/*_____ M A C R O S ________________________________________________________*/

/***  Type definition ***/

typedef unsigned char      Byte;
typedef unsigned char      Uchar;
typedef unsigned int       Uint16;
typedef int                Int16;
typedef float              Float16;
typedef unsigned long int  Uint32;
typedef long int           Int32;
typedef unsigned char      Bool;

typedef union 
{
  Uint32 l;
  Uint16 w[2];
  Byte   b[4];
} Union32;

typedef union 
{

  Uint16 w;
  Byte   b[2];
} Union16;



/***  General purpose defines ***/

#define FALSE   0
#define TRUE    1
#define KO      0
#define OK      1
#define OFF     0
#define ON      1
#define CLR     0
#define SET     1

#define LOW(U16)   ((Byte)U16)
#define HIGH(U16)  ((Byte)(U16>>8))

/* little endian conversion */
#define LE16(b) (((b & 0xFF) << 8) | ((b & 0xFF00) >> 8))
#define LE32(b) (((b & 0xFF) << 24) | ((b & 0xFF00) << 8) | \
                 ((b & 0xFF0000) >> 8) | ((b & 0xFF000000) >> 24))

#define TST_BIT_X(addrx,mask)       (*addrx & mask)
#define SET_BIT_X(addrx,mask)       (*addrx = (*addrx | mask))
#define CLR_BIT_X(addrx,mask)       (*addrx = (*addrx & ~mask))
#define OUT_X(addrx,value)          (*addrx = value)
#define IN_X(addrx)                 (*addrx)

/***********************************************************
 SET_SFR_BIT macro 
  parameters 
    sfr_reg : defined value in include file for sfr register 
    bit_pos : defined value B_XX in include file for particular
              bit of sfr register 
    bit_val : CLR / SET 
************************************************************/
#define SET_SFR_BIT(sfr_reg, bit_pos, bit_val) { sfr_reg &= ~(1<<(bit_pos)); sfr_reg |= ((bit_val)<<(bit_pos));}

/***********************************************************
 TST_SFR_BIT macro 
  parameters 
    sfr_reg : defined value in include file for sfr register 
    bit_pos : defined value B_XX in include file for particular
              bit of sfr register 
************************************************************/
#define TST_SFR_BIT(sfr_reg, bit_pos) ((sfr_reg & (1<<(bit_pos)))>>(bit_pos))

/***  KEIL compiler ***/
#ifdef KEIL
  #define Reentrant(x)      x reentrant
  #define Sfr(x,y)          sfr x = y
  #define Sfr16(x,y)        sfr16 x = y
  #define Sbit(x,y,z)       sbit x = y ^ z
  #define Interrupt(x,y)    x interrupt y
  #define At(x)             _at_ x

  #ifdef __C51__              /* C51 Compiler */
    #define far  xdata        /* far is for 251 only */
  #endif
#endif  /* KEIL */


/***  RAISONANCE compiler ***/

#ifdef RAISONANCE
  #define Reentrant(x)      x reentrant
  #define Sfr(x,y)          sfr x = y
  #define Sbit(x,y,z)       sbit x = y ^ z
  #define Interrupt(x,y)    x interrupt y
  #define At(x)             _at_ x

  #ifdef __C51__              /* C51 Compiler */
    #define far  xdata        /* far is for 251 only */
  #endif
#endif  /* RAISONANCE */


/***  TASKING compiler ***/

#ifdef TASKING
  #include <keil.h>        /* Some job already done! */

  #define far               _far
  #define Reentrant(x)      _reentrant x
  #define Sfr(x,y)          _sfrbyte x _at(y)
  #define Sbit(x,y,z)       _sfrbit x _atbit(y,z)
  #define Interrupt(x,y)    _interrupt(y) x
#endif  /* TASKING */


/*_____ D E F I N I T I O N ________________________________________________*/


/*_____ D E C L A R A T I O N ______________________________________________*/


#endif /* _COMPILER_H_ */