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# compiler.h

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    00001 /*This file has been prepared for Doxygen automatic documentation generation.*/
    00014
    00015 /* Copyright (c) 2007, Atmel Corporation All rights reserved.
    00016  *
    00017  * Redistribution and use in source and binary forms, with or without
    00018  * modification, are permitted provided that the following conditions are met:
    00019  *
    00020  * 1. Redistributions of source code must retain the above copyright notice,
    00021  * this list of conditions and the following disclaimer.
    00022  *
    00023  * 2. Redistributions in binary form must reproduce the above copyright notice,
    00024  * this list of conditions and the following disclaimer in the documentation
    00025  * and/or other materials provided with the distribution.
    00026  *
    00027  * 3. The name of ATMEL may not be used to endorse or promote products derived
    00028  * from this software without specific prior written permission.
    00029  *
    00030  * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
    00031  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
    00032  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE EXPRESSLY AND
    00033  * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
    00034  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    00035  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    00036  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    00037  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    00038  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    00039  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00040  */
    00041
    00042 #ifndef _COMPILER_H_
    00043 #define _COMPILER_H_
    00044
    00045 /*_____ I N C L U D E S ____________________________________________________*/
    00046
    00047
    00048 /*_____ D E C L A R A T I O N S ____________________________________________*/
    00049 #define LITTLE_ENDIAN
    00050
    00051 #ifndef ASM_INCLUDE // define ASM_INCLUDE in your a51 source code before include of .h file
    00052 typedef float               Float16;
    00053
    00054 typedef unsigned char       U8 ;
    00055 typedef unsigned short      U16;
    00056 typedef unsigned long       U32;
    00057 typedef signed char         S8 ;
    00058 typedef signed short        S16;
    00059 typedef long                S32;
    00060 typedef unsigned char       Bool;
    00061
    00062
    00063 typedef U8                  Status;
    00064 typedef Bool                Status_bool;
    00065 #define bool                Bool
    00066 #define PASS 0
    00067 #define FAIL 1
    00068
    00069
    00070
    00071 #if (defined __C51__)
    00072 #  define _MEM_TYPE_BIT_              bdata  // Used for bit accesses
    00073 #  define _MEM_TYPE_FAST_              data
    00074 #  define _MEM_TYPE_MEDFAST_          idata
    00075 #  define _MEM_TYPE_MEDSLOW_          pdata
    00076 #  define _MEM_TYPE_SLOW_             xdata
    00077 #else
    00078 #  define _MEM_TYPE_BIT_
    00079 #  define _MEM_TYPE_FAST_
    00080 #  define _MEM_TYPE_MEDFAST_
    00081 #  define _MEM_TYPE_MEDSLOW_
    00082 #  define _MEM_TYPE_SLOW_
    00083 #endif
    00084
    00085 typedef unsigned char       Uchar;
    00086
    00087
    00088 typedef unsigned char       Uint8;
    00089 typedef unsigned int        Uint16;
    00090 typedef unsigned long int   Uint32;
    00091
    00092 typedef char                Int8;
    00093 typedef int                 Int16;
    00094 typedef long int            Int32;
    00095
    00096 typedef unsigned char       Byte;
    00097 typedef unsigned int        Word;
    00098 typedef unsigned long int   DWord;
    00099
    00100 typedef union
    00101 {
    00102   Uint32 dw; // l changed in dw (double word) because l is used for signed long...
    00103   Uint16 w[2];
    00104   Uint8  b[4];
    00105 } Union32;
    00106
    00107 typedef union
    00108 {
    00109   Uint16 w;
    00110   Uint8  b[2];
    00111 } Union16;
    00112
    00113 #ifdef __IAR_SYSTEMS_ICC__
    00114 typedef char     bit;
    00115 typedef int      p_uart_ptchar;
    00116 typedef int      r_uart_ptchar;
    00117 #endif
    00118 #ifdef __CODEVISIONAVR__
    00119 typedef char     bit;
    00120 typedef int      p_uart_ptchar;
    00121 typedef char     r_uart_ptchar;
    00122 #endif
    00123 #if !defined(__IAR_SYSTEMS_ICC__) && !defined(___ICC__)
    00124 typedef char      p_uart_ptchar;
    00125 typedef char      r_uart_ptchar;
    00126 #endif
    00127
    00128 #endif
    00129
    00130 /**********************************************************************************/
    00131 /* codevision COMPILER (__CODEVISIONAVR__)                                                 */
    00132 /**********************************************************************************/
    00133 #ifdef __ICC__
    00134 #define _ConstType_  lit
    00135 #define _MemType_
    00136 #define _GenericType_ __generic
    00137 #define code lit
    00138 #define xdata
    00139 #define idata
    00140 #define data
    00141 #endif
    00142 /**********************************************************************************/
    00143 /* IAR COMPILER (__IAR_SYSTEMS_ICC__)                                             */
    00144 /**********************************************************************************/
    00145 #ifdef __IAR_SYSTEMS_ICC__
    00146 #include "inavr.h"
    00147 #define _ConstType_  __flash
    00148 #define _MemType_
    00149 #define _GenericType_ __generic
    00150 #ifdef __ICCAVR__
    00151    #if (defined(__AT90USB1287__) || defined(__AT90USB1286__))
    00152       #define code __farflash
    00153       #define farcode __farflash
    00154    #else
    00155       #define code __flash
    00156       #define farcode __flash
    00157    #endif
    00158 #elif defined __GNUC__
    00159    #if (defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB1286__))
    00160       #define code __farflash
    00161       #define farcode __farflash
    00162    #else
    00163       #define code __flash
    00164       #define farcode __flash
    00165    #endif
    00166 #endif
    00167 #define xdata
    00168 #define idata
    00169 #define data
    00170 #define At(x) @ x
    00171 #define pdata
    00172 #define bdata
    00173 // Memory Type Location
    00174 #ifndef _CONST_TYPE_
    00175 #  define _CONST_TYPE_ code
    00176 #endif
    00177
    00178 #define Enable_interrupt() __enable_interrupt()
    00179 #define Disable_interrupt() __disable_interrupt()
    00180 #define Get_interrupt_state()       (SREG&0x80)
    00181
    00182 #include <iomacro.h>
    00183 #define SFR_W_EXT(a,b) SFR_W_R(b,a)
    00184
    00185
    00186 #endif
    00187
    00188
    00189
    00190
    00191
    00192 /*_____ M A C R O S ________________________________________________________*/
    00193 /* little-big endian management */
    00194 #define INTEL_ALIGNMENT     LITTLE_ENDIAN
    00195 #define MOTOROLA_ALIGNMENT  BIG_ENDIAN
    00196
    00197 // U16/U32 endian handlers
    00198 #ifdef LITTLE_ENDIAN     // => 16bit: (LSB,MSB), 32bit: (LSW,MSW) or (LSB0,LSB1,LSB2,LSB3) or (MSB3,MSB2,MSB1,MSB0)
    00199 #  define MSB(u16)        (((U8* )&u16)[1])
    00200 #  define LSB(u16)        (((U8* )&u16)[0])
    00201 #  define MSW(u32)        (((U16*)&u32)[1])
    00202 #  define LSW(u32)        (((U16*)&u32)[0])
    00203 #  define MSB0(u32)       (((U8* )&u32)[3])
    00204 #  define MSB1(u32)       (((U8* )&u32)[2])
    00205 #  define MSB2(u32)       (((U8* )&u32)[1])
    00206 #  define MSB3(u32)       (((U8* )&u32)[0])
    00207 #  define LSB0(u32)       MSB3(u32)
    00208 #  define LSB1(u32)       MSB2(u32)
    00209 #  define LSB2(u32)       MSB1(u32)
    00210 #  define LSB3(u32)       MSB0(u32)
    00211 #else // BIG_ENDIAN         => 16bit: (MSB,LSB), 32bit: (MSW,LSW) or (LSB3,LSB2,LSB1,LSB0) or (MSB0,MSB1,MSB2,MSB3)
    00212 #  define MSB(u16)        (((U8* )&u16)[0])
    00213 #  define LSB(u16)        (((U8* )&u16)[1])
    00214 #  define MSW(u32)        (((U16*)&u32)[0])
    00215 #  define LSW(u32)        (((U16*)&u32)[1])
    00216 #  define MSB0(u32)       (((U8* )&u32)[0])
    00217 #  define MSB1(u32)       (((U8* )&u32)[1])
    00218 #  define MSB2(u32)       (((U8* )&u32)[2])
    00219 #  define MSB3(u32)       (((U8* )&u32)[3])
    00220 #  define LSB0(u32)       MSB3(u32)
    00221 #  define LSB1(u32)       MSB2(u32)
    00222 #  define LSB2(u32)       MSB1(u32)
    00223 #  define LSB3(u32)       MSB0(u32)
    00224 #endif
    00225
    00226 // Endian converters
    00227 #define Le16(b)                        \
    00228    (  ((U16)(     (b) &   0xFF) << 8)  \
    00229    |  (     ((U16)(b) & 0xFF00) >> 8)  \
    00230    )
    00231 #define Le32(b)                             \
    00232    (  ((U32)(     (b) &       0xFF) << 24)  \
    00233    |  ((U32)((U16)(b) &     0xFF00) <<  8)  \
    00234    |  (     ((U32)(b) &   0xFF0000) >>  8)  \
    00235    |  (     ((U32)(b) & 0xFF000000) >> 24)  \
    00236    )
    00237
    00238 // host to network conversion: used for Intel HEX format, TCP/IP, ...
    00239 // Convert a 16-bit value from host-byte order to network-byte order
    00240 // Standard Unix, POSIX 1003.1g (draft)
    00241
    00242 #ifdef LITTLE_ENDIAN
    00243 #  define htons(a)    Le16(a)
    00244 #define ntohs(a)    htons(a)
    00245 #  define htonl(a)    Le32(a)
    00246 #define ntohl(a)    htonl(a)
    00247 #else
    00248 #define htons(a)    (a)
    00249 #define ntohs(a)    (a)
    00250 #define htonl(a)    (a)
    00251 #define ntohl(a)    (a)
    00252 #endif
    00253
    00254
    00255 // Constants
    00256 #define ENABLE   1
    00257 #define ENABLED  1
    00258 #define DISABLED 0
    00259 #define DISABLE  0
    00260 #define FALSE   (0==1)
    00261 #define TRUE    (1==1)
    00262 #define true    TRUE
    00263 #define false   FALSE
    00264
    00265
    00266 #define KO      0
    00267 #define OK      1
    00268 #define OFF     0
    00269 #define ON      1
    00270 #ifndef NULL
    00271 #define NULL    0
    00272 #endif
    00273 #ifndef ASM_INCLUDE // define ASM_INCLUDE in your a51 source code before include of .h file
    00274 #define CLR     0
    00275 #define SET     1
    00276 #endif
    00277
    00278 /* Bit and bytes manipulations */
    00279 #define LOW(U16)                ((Uchar)U16)
    00280 #define HIGH(U16)               ((Uchar)(U16>>8))
    00281 #define TST_BIT_X(addrx,mask)   (*addrx & mask)
    00282 #define SET_BIT_X(addrx,mask)   (*addrx = (*addrx | mask))
    00283 #define CLR_BIT_X(addrx,mask)   (*addrx = (*addrx & ~mask))
    00284 #define OUT_X(addrx,value)      (*addrx = value)
    00285 #define IN_X(addrx)             (*addrx)
    00286
    00287 #  define Max(a, b)            ( (a)>(b) ? (a) : (b) )       // Take the max between a and b
    00288 #  define Min(a, b)            ( (a)<(b) ? (a) : (b) )       // Take the min between a and b
    00289
    00290 // Align on the upper value <val> on a <n> boundary
    00291 // i.e. Upper(0, 4)= 4
    00292 //      Upper(1, 4)= 4
    00293 //      Upper(2, 4)= 4
    00294 //      Upper(3, 4)= 4
    00295 //      Upper(4, 4)= 8
    00296 //      ../..
    00297 #  define Upper(val, n)        ( ((val)+(n)) & ~((n)-1) )
    00298
    00299 // Align up <val> on a <n> boundary
    00300 // i.e. Align_up(0, 4)= 0
    00301 //      Align_up(1, 4)= 4
    00302 //      Align_up(2, 4)= 4
    00303 //      Align_up(3, 4)= 4
    00304 //      Align_up(4, 4)= 4
    00305 //      ../..
    00306 #  define Align_up(val, n)     ( ((val)+(n)-1) & ~((n)-1) )
    00307
    00308 // Align down <val> on a <n> boundary
    00309 // i.e. Align_down(0, 4)= 0
    00310 //      Align_down(1, 4)= 0
    00311 //      Align_down(2, 4)= 0
    00312 //      Align_down(3, 4)= 0
    00313 //      Align_down(4, 4)= 4
    00314 //      ../..
    00315 #  define Align_down(val, n)   (  (val)        & ~((n)-1) )
    00316
    00317 /*M**************************************************************************
    00318 * NAME: Long_call
    00319 *----------------------------------------------------------------------------
    00320 * PARAMS:
    00321 * addr: address of the routine to call
    00322 *----------------------------------------------------------------------------
    00323 * PURPOSE:
    00324 * Call the routine at address addr: generate an Assembly LCALL addr opcode.
    00325 *----------------------------------------------------------------------------
    00326 * EXAMPLE:
    00327 * Long_call(0); // Software reset (if no IT used before)
    00328 *----------------------------------------------------------------------------
    00329 * NOTE:
    00330 * May be used as a long jump opcode in some special cases
    00331 *****************************************************************************/
    00332 #define Long_call(addr)         ((*(void (_ConstType_*)(void))(addr))())
    00333
    00334 /* {For Langdoc} */
    00335
    00336 /***********************************************************
    00337  SET_SFR_BIT macro
    00338   parameters
    00339     sfr_reg : defined value in include file for sfr register
    00340     bit_pos : defined value B_XX in include file for particular
    00341               bit of sfr register
    00342     bit_val : CLR / SET
    00343 ************************************************************/
    00344 #define SET_SFR_BIT(sfr_reg, bit_pos, bit_val) { sfr_reg &= ~(1<<(bit_pos)); sfr_reg |= ((bit_val)<<(bit_pos));}
    00345
    00346 /***********************************************************
    00347  bit_is_clear macro
    00348   parameters
    00349     PORT     : defined value in include file for sfr register
    00350     POSITION : defined value in include file for particular
    00351               bit of sfr register
    00352   example : if (bit_is_clear(PORTB,PORTB3)) ...
    00353 ************************************************************/
    00354 #define bit_is_clear(PORT,POSITION) ((PORT & (1<<POSITION)) == 0 )
    00355
    00356 /***********************************************************
    00357  bit_is_set macro
    00358   parameters
    00359     PORT     : defined value in include file for sfr register
    00360     POSITION : defined value in include file for particular
    00361               bit of sfr register
    00362   example : if (bit_is_set(PORTB,PORTB3)) ...
    00363 ************************************************************/
    00364 #define bit_is_set(PORT,POSITION) ((PORT & (1<<POSITION)) != 0 )
    00365
    00366
    00367
    00368
    00369
    00370 #define TID_GUARD(proc) ((__TID__ & 0x7FF0) != ((90 << 8) | ((proc) << 4)))
    00371
    00372
    00373
    00374 /******************************************************************************/
    00375 /* GCC COMPILER                                                               */
    00376 /******************************************************************************/
    00377    #ifdef __GNUC__
    00378 #define _CONST_TYPE_
    00379 #define _ConstType_  __flash
    00380 #define _MemType_
    00381 #define _GenericType_ __generic
    00382 #define code PROGMEM
    00383 #define xdata
    00384 #define idata
    00385 #define data
    00386 #define At(x) @ x
    00387 #define pdata
    00388 #define bdata
    00389 #define bit U8
    00390 #include <avr/interrupt.h>
    00391 #include <avr/pgmspace.h>
    00392 #define Enable_interrupt() sei()
    00393 #define Disable_interrupt() cli()
    00394 #define Get_interrupt_state()       (SREG&0x80)
    00395
    00396    #endif
    00397 #endif /* _COMPILER_H_ */
    00398