compiler.h

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/* Copyright (c) 2007, Atmel Corporation All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. The name of ATMEL may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef _COMPILER_H_
#define _COMPILER_H_

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

#include "compiler.h"                    // Compiler definitions
#ifdef __GNUC__
   #include <avr/io.h>                    // Use AVR-GCC library
   #include <avr/power.h>
#elif __ICCAVR__
   #include <ioavr.h>                     // Use IAR-AVR library
#else
   #error Current COMPILER not supported
#endif

/*_____ D E C L A R A T I O N S ____________________________________________*/
#define LITTLE_ENDIAN

#ifndef ASM_INCLUDE // define ASM_INCLUDE in your a51 source code before include of .h file
typedef float               Float16;

typedef unsigned char       U8 ;
typedef unsigned short      U16;
typedef unsigned long       U32;
typedef signed char         S8 ;
typedef signed short        S16;
typedef long                S32;

#if (defined __C51__)
typedef bit                 Bool;    // Shall be used with _MEM_TYPE_BIT_ to optimize the memory.
#else
typedef unsigned char       Bool;
#endif

typedef U8                  Status;
typedef Bool                Status_bool;
#define PASS 0
#define FAIL 1



#if (defined __C51__)
#  define _MEM_TYPE_BIT_              bdata  // Used for bit accesses
#  define _MEM_TYPE_FAST_              data
#  define _MEM_TYPE_MEDFAST_          idata
#  define _MEM_TYPE_MEDSLOW_          pdata
#  define _MEM_TYPE_SLOW_             xdata
#else
#  define _MEM_TYPE_BIT_
#  define _MEM_TYPE_FAST_
#  define _MEM_TYPE_MEDFAST_
#  define _MEM_TYPE_MEDSLOW_
#  define _MEM_TYPE_SLOW_
#endif

typedef unsigned char       Uchar;


typedef unsigned char       Uint8;
typedef unsigned int        Uint16;
typedef unsigned long int   Uint32;

typedef char                Int8;
typedef int                 Int16;
typedef long int            Int32;

typedef unsigned char       Byte;
typedef unsigned int        Word;
typedef unsigned long int   DWord;

typedef union
{
  Uint32 dw; // l changed in dw (double word) because l is used for signed long...
  Uint16 w[2];
  Uint8  b[4];
} Union32;

typedef union
{
  Uint16 w;
  Uint8  b[2];
} Union16;

typedef char     bit;
typedef int      p_uart_ptchar;
typedef int      r_uart_ptchar;
typedef char      r_uart_gtchar;
#endif

/**********************************************************************************/
/* codevision COMPILER (__CODEVISIONAVR__)                                                 */
/**********************************************************************************/
#ifdef __ICC__
#define _ConstType_ lit
#define _MemType_
#define _GenericType_ __generic
#define code lit
#define xdata
#define idata
#define data
#endif
/**********************************************************************************/
/* IAR COMPILER (__IAR_SYSTEMS_ICC__)                                             */
/**********************************************************************************/
#ifdef __IAR_SYSTEMS_ICC__
#include "inavr.h"
#define _ConstType_ __flash
#define _MemType_
#define _GenericType_ __generic
#define code __flash
#define farcode __flash
#define xdata
#define idata
#define data
#define At(x) @ x
#define pdata
#define bdata
// Memory Type Location
#ifndef _CONST_TYPE_
#  define _CONST_TYPE_ code
#endif

#define Enable_interrupt() __enable_interrupt()
#define Disable_interrupt() __disable_interrupt()

#include <iomacro.h>
#define SFR_W_EXT(a,b) SFR_W_R(b,a)


#endif





/*_____ M A C R O S ________________________________________________________*/
/* little-big endian management */
#define INTEL_ALIGNMENT     LITTLE_ENDIAN
#define MOTOROLA_ALIGNMENT  BIG_ENDIAN

// U16/U32 endian handlers
#ifdef LITTLE_ENDIAN     // => 16bit: (LSB,MSB), 32bit: (LSW,MSW) or (LSB0,LSB1,LSB2,LSB3) or (MSB3,MSB2,MSB1,MSB0)
#  define MSB(u16)        (((U8* )&u16)[1])
#  define LSB(u16)        (((U8* )&u16)[0])
#  define MSW(u32)        (((U16*)&u32)[1])
#  define LSW(u32)        (((U16*)&u32)[0])
#  define MSB0(u32)       (((U8* )&u32)[3])
#  define MSB1(u32)       (((U8* )&u32)[2])
#  define MSB2(u32)       (((U8* )&u32)[1])
#  define MSB3(u32)       (((U8* )&u32)[0])
#  define LSB0(u32)       MSB3(u32)
#  define LSB1(u32)       MSB2(u32)
#  define LSB2(u32)       MSB1(u32)
#  define LSB3(u32)       MSB0(u32)
#else // BIG_ENDIAN         => 16bit: (MSB,LSB), 32bit: (MSW,LSW) or (LSB3,LSB2,LSB1,LSB0) or (MSB0,MSB1,MSB2,MSB3)
#  define MSB(u16)        (((U8* )&u16)[0])
#  define LSB(u16)        (((U8* )&u16)[1])
#  define MSW(u32)        (((U16*)&u32)[0])
#  define LSW(u32)        (((U16*)&u32)[1])
#  define MSB0(u32)       (((U8* )&u32)[0])
#  define MSB1(u32)       (((U8* )&u32)[1])
#  define MSB2(u32)       (((U8* )&u32)[2])
#  define MSB3(u32)       (((U8* )&u32)[3])
#  define LSB0(u32)       MSB3(u32)
#  define LSB1(u32)       MSB2(u32)
#  define LSB2(u32)       MSB1(u32)
#  define LSB3(u32)       MSB0(u32)
#endif

// Endian converters
#define Le16(b)                        \
   (  ((U16)(     (b) &   0xFF) << 8)  \
   |  (     ((U16)(b) & 0xFF00) >> 8)  \
   )
#define Le32(b)                             \
   (  ((U32)(     (b) &       0xFF) << 24)  \
   |  ((U32)((U16)(b) &     0xFF00) <<  8)  \
   |  (     ((U32)(b) &   0xFF0000) >>  8)  \
   |  (     ((U32)(b) & 0xFF000000) >> 24)  \
   )

// host to network conversion: used for Intel HEX format, TCP/IP, ...
// Convert a 16-bit value from host-byte order to network-byte order
// Standard Unix, POSIX 1003.1g (draft)

#ifdef LITTLE_ENDIAN
#  define htons(a)    Le16(a)
#define ntohs(a)    htons(a)
#  define htonl(a)    Le32(a)
#define ntohl(a)    htonl(a)
#else
#define htons(a)    (a)
#define ntohs(a)    (a)
#define htonl(a)    (a)
#define ntohl(a)    (a)
#endif


// Constants
#define ENABLE   1
#define ENABLED  1
#define DISABLED 0
#define DISABLE  0
#define FALSE   (0==1)
#define TRUE    (1==1)

#define KO      0
#define OK      1
#define OFF     0
#define ON      1
#ifndef NULL
#define NULL    0
#endif
#ifndef ASM_INCLUDE // define ASM_INCLUDE in your a51 source code before include of .h file
#define CLR     0
#define SET     1
#endif

/* Bit and bytes manipulations */
#define LOW(U16)                ((Uchar)U16)
#define HIGH(U16)               ((Uchar)(U16>>8))
#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)

#  define Max(a, b)            ( (a)>(b) ? (a) : (b) )       // Take the max between a and b
#  define Min(a, b)            ( (a)<(b) ? (a) : (b) )       // Take the min between a and b

// Align on the upper value <val> on a <n> boundary
// i.e. Upper(0, 4)= 4
//      Upper(1, 4)= 4
//      Upper(2, 4)= 4
//      Upper(3, 4)= 4
//      Upper(4, 4)= 8
//      ../..
#  define Upper(val, n)        ( ((val)+(n)) & ~((n)-1) )

// Align up <val> on a <n> boundary
// i.e. Align_up(0, 4)= 0
//      Align_up(1, 4)= 4
//      Align_up(2, 4)= 4
//      Align_up(3, 4)= 4
//      Align_up(4, 4)= 4
//      ../..
#  define Align_up(val, n)     ( ((val)+(n)-1) & ~((n)-1) )

// Align down <val> on a <n> boundary
// i.e. Align_down(0, 4)= 0
//      Align_down(1, 4)= 0
//      Align_down(2, 4)= 0
//      Align_down(3, 4)= 0
//      Align_down(4, 4)= 4
//      ../..
#  define Align_down(val, n)   (  (val)        & ~((n)-1) )

/*M**************************************************************************
* NAME: Long_call
*----------------------------------------------------------------------------
* PARAMS:
* addr: address of the routine to call
*----------------------------------------------------------------------------
* PURPOSE:
* Call the routine at address addr: generate an Assembly LCALL addr opcode.
*----------------------------------------------------------------------------
* EXAMPLE:
* Long_call(0); // Software reset (if no IT used before)
*----------------------------------------------------------------------------
* NOTE:
* May be used as a long jump opcode in some special cases
*****************************************************************************/
#define Long_call(addr)         ((*(void (_ConstType_*)(void))(addr))())

/* {For Langdoc} */

/***********************************************************
 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));}


#define TID_GUARD(proc) ((__TID__ & 0x7FF0) != ((90 << 8) | ((proc) << 4)))



/******************************************************************************/
/* GCC COMPILER                                                               */
/******************************************************************************/
#ifdef __GNUC__
    #include <avr/pgmspace.h>
    #define _CONST_TYPE_
    #define _ConstType_ __flash
    #define _MemType_
    #define _GenericType_ __generic
    #define code PROGMEM
    #define xdata
    #define idata
    #define data
    #define At(x) @ x
    #define pdata
    #define bdata
    #define bit U8
    #define bool U8
       //#include <avr/sfr_defs.h>
       #include <avr/interrupt.h>
       #define Enable_interrupt() sei()
       #define Disable_interrupt() cli()

#endif
#endif /* _COMPILER_H_ */

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