icc.h

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00001 #ifndef _ARCH_AVR_ICC_H_
00002 #define _ARCH_AVR_ICC_H_
00003 
00004 /*
00005  * Copyright (C) 2001-2005 by egnite Software GmbH. All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  *
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in the
00015  *    documentation and/or other materials provided with the distribution.
00016  * 3. Neither the name of the copyright holders nor the names of
00017  *    contributors may be used to endorse or promote products derived
00018  *    from this software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00021  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00022  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00023  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00024  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00025  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00026  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00027  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00028  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00029  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00030  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00031  * SUCH DAMAGE.
00032  *
00033  * For additional information see http://www.ethernut.de/
00034  */
00035 
00036 /*
00037  * $Log: icc.h,v $
00038  * Revision 1.6  2006/09/29 12:22:07  haraldkipp
00039  * Corrected internal RAM size and check compiler environment for ATmega2561.
00040  *
00041  * Revision 1.5  2006/07/10 08:48:03  haraldkipp
00042  * Distinguish between enhanced and extended AVR.
00043  *
00044  * Revision 1.4  2006/05/25 09:35:27  haraldkipp
00045  * Dummy macros added to support the avr-libc special function register
00046  * definitions.
00047  *
00048  * Revision 1.3  2006/02/08 15:20:56  haraldkipp
00049  * ATmega2561 Support
00050  *
00051  * Revision 1.2  2005/10/24 18:04:25  haraldkipp
00052  * Duplicate macro definitions removed.
00053  * Parameter order of cstrcmp() corrected.
00054  * Generic port and flag names added for ATmega103 support.
00055  *
00056  * Revision 1.1  2005/10/24 10:46:05  haraldkipp
00057  * First check in.
00058  * Contents taken from avr.h in the parent directory.
00059  *
00060  */
00061 
00062 /*
00063  * Include some basic header files of the ImageCraft runtime library.
00064  */
00065 #include <stddef.h>
00066 #include <macros.h>
00067 #include <eeprom.h>
00068 
00076 #if defined(_MCU_enhanced) || defined(_MCU_extended)
00077 #undef __AVR_ENHANCED__
00078 #define __AVR_ENHANCED__ /* Generic test for enhanced AVRs like ATMEGA128, AT09CAN128 */
00079 #endif
00080 
00088 #ifndef CONST
00089 #define CONST
00090 #endif
00091 
00098 #ifndef INLINE
00099 #define INLINE
00100 #endif
00101 
00111 #define printf      printf_M
00112 #define puts        puts_M
00113 #define sprintf     sprintf_M
00114 #define vprintf     vprintf_M
00115 #define scanf       scanf_M
00116 #define gets        gets_M
00117 #define malloc      malloc_M
00118 #define free        free_M
00119 
00126 #define cprintf     printf_P
00127 #define csprintf    sprintf_P
00128 #define cscanf      scanf_P
00129 #define csscanf     sscanf_P
00130 
00131 #define memcpy_P(dst, src_P, n) cmemcpy(dst, src_P, n)
00132 #define strcat_P(s1, s2_P)      cstrcat(s1, s2_P)
00133 #define strcmp_P(s1_P, s2)      cstrcmp(s2, s1_P)   /* Thanks to Michael. */
00134 #define strlen_P(s_P)           cstrlen(s_P)
00135 #define strncat_P(s1, s2_P, n)  cstrncat(s1, s2_P, n)
00136 #define strncmp_P(s1_P, s2, n)  cstrncmp(s1_P, s2, n)
00137 #define strcpy_P(dst, src_P)    cstrcpy(dst, src_P)
00138 #define strncpy_P(x,y,z)        cstrncpy(x,y,z)
00139 
00148 #define strcasecmp(s1, s2)  strcmp(s1, s2)
00149 #define strncasecmp(s1, s2, n)  strncmp(s1, s2, n)
00150 
00151 
00155 #define __heap_start   _bss_end
00156 
00162 #define __attribute__(x)
00163 
00169 #define PSTR(p)     (p)
00170 
00174 #define PRG_RDB(p)  (*((const char *)(p)))
00175 
00179 #define prog_char const char
00180 
00184 #define prog_int const int
00185 
00189 #define PGM_P prog_char *
00190 
00191 
00192 /* ================================================================ */
00193 /* To be sorted out.                                                */
00194 /* ================================================================ */
00195 
00196 #define wdt_enable(tmo) \
00197 { \
00198     register u_char s = _BV(WDCE) | _BV(WDE); \
00199     register u_char r = tmo | _BV(WDE); \
00200     asm("in R0, 0x3F\n"     \
00201         "cli\n"             \
00202         "wdr\n"             \
00203         "out 0x21, %s\n"    \
00204         "out 0x21, %r\n"    \
00205         "out 0x3F, R0\n");  \
00206 }
00207 
00208 #define wdt_disable() \
00209 { \
00210     register u_char s = _BV(WDCE) | _BV(WDE); \
00211     register u_char r = 0;  \
00212     asm("in R0, $3F\n"      \
00213         "cli\n"             \
00214         "out 0x21, %s\n"    \
00215         "out 0x21, %r\n"    \
00216         "out 0x3F, R0\n");  \
00217 }
00218 
00219 #define wdt_reset() \
00220 { \
00221     _WDR(); \
00222 }
00223 
00224 
00225 #define __SFR_OFFSET 0
00226 #define SFR_IO_ADDR(sfr) ((sfr) - __SFR_OFFSET)
00227 #define SFR_MEM_ADDR(sfr) (sfr)
00228 #define SFR_IO_REG_P(sfr) ((sfr) < 0x40 + __SFR_OFFSET)
00229 
00230 #define _SFR_MEM8(addr)     (addr)
00231 #define _SFR_MEM16(addr)    (addr)
00232 
00233 #define BV(x)       BIT(x)
00234 #define _BV(x)      BIT(x)
00235 
00236 #define cli()           CLI()
00237 #define sei()           SEI()
00238 #define cbi(reg, bit)   (reg &= ~BIT(bit))
00239 #define sbi(reg, bit)   (reg |= BIT(bit))
00240 
00241 
00242 #define loop_until_bit_is_set(reg, bit) while((reg & BIT(bit)) == 0)
00243 
00244 #define bit_is_clear(reg, bit)  ((reg & BIT(bit)) == 0)
00245 #define bit_is_set(reg, bit)    ((reg & BIT(bit)) != 0)
00246 
00247 /* FIXME */
00248 #define parity_even_bit(x)  (0)
00249 
00250 /* FIXME */
00251 #define SIGNAL(x)   void x(void)
00252 
00253 #define outp(val, reg)  (reg = val)
00254 #define outb(reg, val)  (reg = val)
00255 
00256 #define inp(reg)        (reg)
00257 #define inb(reg)        (reg)
00258 
00259 #include <eeprom.h>
00260 
00261 #if defined(_MCU_enhanced) || defined(_MCU_extended)
00262 
00263 #ifdef ATMega2561
00264 #include <iom2561v.h>
00265 #define __AVR_ATmega2561__
00266 #ifndef _EE_EXTIO
00267 #error "Looks like wrong platform. Select avrext-icc, not avr-icc."
00268 #endif
00269 #else
00270 #include <iom128v.h>
00271 #define __AVR_ATmega128__
00272 #endif
00273 
00274 #ifndef RAMEND
00275 #ifdef ATMega2561
00276 #define RAMEND  0x21FF
00277 #else
00278 #define RAMEND  0x10FF
00279 #endif
00280 #endif
00281 
00282 #ifndef SRW
00283 #define SRW  6
00284 #endif
00285 
00286 /* ICC doesn't define generic ports and flags. */
00287 #ifndef TXC
00288 #define TXC     TXC0
00289 #endif
00290 #ifndef ADCSR
00291 #define ADCSR   ADCSRA
00292 #endif
00293 
00294 /* Master */
00295 #define TW_START            0x08
00296 #define TW_REP_START        0x10
00297 /* Master Transmitter */
00298 #define TW_MT_SLA_ACK       0x18
00299 #define TW_MT_SLA_NACK      0x20
00300 #define TW_MT_DATA_ACK      0x28
00301 #define TW_MT_DATA_NACK     0x30
00302 #define TW_MT_ARB_LOST      0x38
00303 /* Master Receiver */
00304 #define TW_MR_ARB_LOST      0x38
00305 #define TW_MR_SLA_ACK       0x40
00306 #define TW_MR_SLA_NACK      0x48
00307 #define TW_MR_DATA_ACK      0x50
00308 #define TW_MR_DATA_NACK     0x58
00309 /* Slave Transmitter */
00310 #define TW_ST_SLA_ACK       0xA8
00311 #define TW_ST_ARB_LOST_SLA_ACK  0xB0
00312 #define TW_ST_DATA_ACK      0xB8
00313 #define TW_ST_DATA_NACK     0xC0
00314 #define TW_ST_LAST_DATA     0xC8
00315 /* Slave Receiver */
00316 #define TW_SR_SLA_ACK       0x60
00317 #define TW_SR_ARB_LOST_SLA_ACK  0x68
00318 #define TW_SR_GCALL_ACK     0x70
00319 #define TW_SR_ARB_LOST_GCALL_ACK 0x78
00320 #define TW_SR_DATA_ACK      0x80
00321 #define TW_SR_DATA_NACK     0x88
00322 #define TW_SR_GCALL_DATA_ACK    0x90
00323 #define TW_SR_GCALL_DATA_NACK   0x98
00324 #define TW_SR_STOP      0xA0
00325 /* Misc */
00326 #define TW_NO_INFO      0xF8
00327 #define TW_BUS_ERROR        0x00
00328 
00329 
00330 #else                           /* ATmega103 */
00331 
00332 #include <iom103v.h>
00333 #define __AVR_ATmega103__
00334 
00335 #ifndef DOR
00336 #define DOR  OVR
00337 #endif
00338 
00339 #ifndef RAMEND
00340 #define RAMEND  0x0FFF
00341 #endif
00342 
00343 #ifndef WDCE
00344 #define WDCE    WDTOE
00345 #endif
00346 
00347 #endif
00348 
00349 #define eeprom_read_block(dst, addr, size)  EEPROMReadBytes((int)addr, dst, size)
00350 #define eeprom_write_byte(addr, src)        EEPROMwrite((int)addr, src)
00351 #define eeprom_read_byte(addr)              EEPROMread((int)addr)
00352 
00353 
00354 #endif /* _ARCH_AVR_ICC_H_ */
00355 
00356 

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