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Alban

Hi,

I wonderd if anyone could tell me which "variables/names/whatever they are called" could be used in #IF defined(......)
I already figured out that both __AVR_ATmega2560__ and __AVR_ATmega1280__ could be used.
But is there a complete list somewhere??

Hope you understand my question, hard to describe :( If I knew how to describe it easily Google would have been more helpful for me :)
Best regards,

Alban

P.S. sorry for asking silly questions... I'm a mechanical engineer and not an electronics engineer ;)


www.reptile-addict.nl

CrossRoads

I bet you could put in any processor you find in avrdude.conf in there.
Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
Arduino for Teens available at Amazon.com.

Alban

Best regards,

Alban

P.S. sorry for asking silly questions... I'm a mechanical engineer and not an electronics engineer ;)


www.reptile-addict.nl

Coding Badly

Hi,

But is there a complete list somewhere??


Not really.

Libc defines a few processor specific macros...
http://www.nongnu.org/avr-libc/user-manual/group__avr__io.html

It takes some coaxing but it is possible to get avr-g++ to reveal the list of supported processors...
Code: [Select]
Known MCU names:
  avr2
  at90s2313
  at90s2323
  at90s2333
  at90s2343
  attiny22
  attiny26
  at90s4414
  at90s4433
  at90s4434
  at90s8515
  at90c8534
  at90s8535
  avr25
  ata6289
  attiny13
  attiny13a
  attiny2313
  attiny2313a
  attiny24
  attiny24a
  attiny4313
  attiny44
  attiny44a
  attiny84
  attiny25
  attiny45
  attiny85
  attiny261
  attiny261a
  attiny461
  attiny461a
  attiny861
  attiny861a
  attiny43u
  attiny87
  attiny48
  attiny88
  at86rf401
  avr3
  at43usb320
  at43usb355
  at76c711
  avr31
  atmega103
  avr35
  at90usb82
  at90usb162
  atmega8u2
  atmega16u2
  atmega32u2
  attiny167
  avr4
  atmega8
  atmega48
  atmega48a
  atmega48p
  atmega88
  atmega88a
  atmega88p
  atmega88pa
  atmega8515
  atmega8535
  atmega8hva
  atmega4hvd
  atmega8hvd
  at90pwm1
  at90pwm2
  at90pwm2b
  at90pwm3
  at90pwm3b
  at90pwm81
  avr5
  atmega16
  atmega16a
  atmega161
  atmega162
  atmega163
  atmega164a
  atmega164p
  atmega165
  atmega165a
  atmega165p
  atmega168
  atmega168a
  atmega168p
  atmega169
  atmega169a
  atmega169p
  atmega169pa
  atmega16c1
  atmega16hva
  atmega16hva2
  atmega16hvb
  atmega16m1
  atmega16u4
  atmega32
  atmega323
  atmega324a
  atmega324p
  atmega324pa
  atmega325
  atmega325p
  atmega3250
  atmega3250p
  atmega328
  atmega328p
  atmega329
  atmega329p
  atmega329pa
  atmega3290
  atmega3290p
  atmega32c1
  atmega32hvb
  atmega32m1
  atmega32u4
  atmega32u6
  atmega406
  atmega64
  atmega640
  atmega644
  atmega644a
  atmega644p
  atmega644pa
  atmega645
  atmega645a
  atmega645p
  atmega6450
  atmega6450a
  atmega6450p
  atmega649
  atmega649a
  atmega649p
  atmega6490
  atmega6490a
  atmega6490p
  atmega64c1
  atmega64m1
  atmega64hve
  at90can32
  at90can64
  at90pwm216
  at90pwm316
  at90scr100
  at90usb646
  at90usb647
  at94k
  avr51
  atmega128
  atmega1280
  atmega1281
  atmega1284p
  atmega128rfa1
  at90can128
  at90usb1286
  at90usb1287
  m3000f
  m3000s
  m3001b
  avr6
  atmega2560
  atmega2561
  avrxmega2
  atxmega16a4
  atxmega16d4
  atxmega32d4
  avrxmega3
  atxmega32a4
  avrxmega4
  atxmega64a3
  atxmega64d3
  avrxmega5
  atxmega64a1
  avrxmega6
  atxmega128a3
  atxmega128d3
  atxmega192a3
  atxmega192d3
  atxmega256a3
  atxmega256a3b
  atxmega256d3
  avrxmega7
  atxmega128a1
  avr1
  at90s1200
  attiny11
  attiny12
  attiny15
  attiny28


So, when compiling for the atmega2560, the compiler automatically defines the macro [font=Courier New]__AVR_ATmega2560__[/font].

olikraus


http://gcc.gnu.org/onlinedocs/gcc-4.8.0/gcc/AVR-Options.html#AVR-Options

See section __AVR_Device__ for the "construction rule".

Then, if you need more specific defines, you can use

Code: [Select]
avr-gcc -mmcu=atmega8 -dM -E - < /dev/null

Where "atmega8" can be any of your favorit target controller. It will give this result:
Code: [Select]

#define __DBL_MIN_EXP__ (-125)
#define __UINT_LEAST16_MAX__ 65535U
#define __ATOMIC_ACQUIRE 2
#define __FLT_MIN__ 1.17549435e-38F
#define __BUILTIN_AVR_SLEEP 1
#define __UINT_LEAST8_TYPE__ unsigned char
#define __INTMAX_C(c) c ## LL
#define __CHAR_BIT__ 8
#define __UINT8_MAX__ 255
#define __WINT_MAX__ 65535U
#define __ORDER_LITTLE_ENDIAN__ 1234
#define __SIZE_MAX__ 65535U
#define __WCHAR_MAX__ 32767
#define __DBL_DENORM_MIN__ ((double)1.40129846e-45L)
#define __GCC_ATOMIC_CHAR_LOCK_FREE 1
#define __FLT_EVAL_METHOD__ 0
#define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 1
#define __UINT_FAST64_MAX__ 18446744073709551615ULL
#define __SIG_ATOMIC_TYPE__ int
#define __DBL_MIN_10_EXP__ (-37)
#define __FINITE_MATH_ONLY__ 0
#define __FLASH __flash
#define __GNUC_PATCHLEVEL__ 0
#define __UINT_FAST8_MAX__ 65535U
#define __DEC64_MAX_EXP__ 385
#define __INT8_C(c) c
#define __UINT_LEAST64_MAX__ 18446744073709551615ULL
#define __SHRT_MAX__ 32767
#define __LDBL_MAX__ 3.40282347e+38L
#define __UINT_LEAST8_MAX__ 255
#define __GCC_ATOMIC_BOOL_LOCK_FREE 1
#define __UINTMAX_TYPE__ long long unsigned int
#define __BUILTIN_AVR_DELAY_CYCLES 1
#define __DEC32_EPSILON__ 1E-6DF
#define __UINT32_MAX__ 4294967295UL
#define __LDBL_MAX_EXP__ 128
#define __WINT_MIN__ 0U
#define __SCHAR_MAX__ 127
#define __WCHAR_MIN__ (-__WCHAR_MAX__ - 1)
#define __INT64_C(c) c ## LL
#define __DBL_DIG__ 6
#define __GCC_ATOMIC_POINTER_LOCK_FREE 1
#define __SIZEOF_INT__ 2
#define __SIZEOF_POINTER__ 2
#define __USER_LABEL_PREFIX__
#define __STDC_HOSTED__ 1
#define __LDBL_HAS_INFINITY__ 1
#define __FLT_EPSILON__ 1.19209290e-7F
#define __LDBL_MIN__ 1.17549435e-38L
#define __AVR_SFR_OFFSET__ 0x20
#define __DEC32_MAX__ 9.999999E96DF
#define __INT32_MAX__ 2147483647L
#define __SIZEOF_LONG__ 4
#define __UINT16_C(c) c ## U
#define __DECIMAL_DIG__ 9
#define __AVR_2_BYTE_PC__ 1
#define __LDBL_HAS_QUIET_NAN__ 1
#define __BUILTIN_AVR_SEI 1
#define __GNUC__ 4
#define __BUILTIN_AVR_SWAP 1
#define __FLT_HAS_DENORM__ 1
#define __SIZEOF_LONG_DOUBLE__ 4
#define __BIGGEST_ALIGNMENT__ 1
#define __UINT24_MAX__ 16777215UL
#define __BUILTIN_AVR_NOP 1
#define __DBL_MAX__ ((double)3.40282347e+38L)
#define __INT_FAST32_MAX__ 2147483647L
#define __DBL_HAS_INFINITY__ 1
#define __DEC32_MIN_EXP__ (-94)
#define __BUILTIN_AVR_FMULSU 1
#define __INT_FAST16_TYPE__ int
#define __LDBL_HAS_DENORM__ 1
#define __DEC128_MAX__ 9.999999999999999999999999999999999E6144DL
#define __INT_LEAST32_MAX__ 2147483647L
#define __USING_SJLJ_EXCEPTIONS__ 1
#define __DEC32_MIN__ 1E-95DF
#define __DBL_MAX_EXP__ 128
#define __DEC128_EPSILON__ 1E-33DL
#define __PTRDIFF_MAX__ 32767
#define __AVR_ENHANCED__ 1
#define __BUILTIN_AVR_WDR 1
#define __LONG_LONG_MAX__ 9223372036854775807LL
#define __SIZEOF_SIZE_T__ 2
#define __SIZEOF_WINT_T__ 2
#define __GXX_ABI_VERSION 1002
#define __INT24_MAX__ 8388607L
#define __FLT_MIN_EXP__ (-125)
#define __INT_FAST64_TYPE__ long long int
#define __DBL_MIN__ ((double)1.17549435e-38L)
#define __DEC128_MIN__ 1E-6143DL
#define __REGISTER_PREFIX__
#define __UINT16_MAX__ 65535U
#define __DBL_HAS_DENORM__ 1
#define __AVR_ARCH__ 4
#define __UINT8_TYPE__ unsigned char
#define __NO_INLINE__ 1
#define __FLT_MANT_DIG__ 24
#define __VERSION__ "4.7.0"
#define __UINT64_C(c) c ## ULL
#define __MEMX __memx
#define __GCC_ATOMIC_INT_LOCK_FREE 1
#define __FLOAT_WORD_ORDER__ __ORDER_LITTLE_ENDIAN__
#define __INT32_C(c) c ## L
#define __DEC64_EPSILON__ 1E-15DD
#define __ORDER_PDP_ENDIAN__ 3412
#define __DEC128_MIN_EXP__ (-6142)
#define __INT_FAST32_TYPE__ long int
#define __UINT_LEAST16_TYPE__ short unsigned int
#define __INT16_MAX__ 32767
#define __SIZE_TYPE__ unsigned int
#define __UINT64_MAX__ 18446744073709551615ULL
#define __INT8_TYPE__ signed char
#define __ELF__ 1
#define __FLT_RADIX__ 2
#define __INT_LEAST16_TYPE__ short int
#define __LDBL_EPSILON__ 1.19209290e-7L
#define __UINTMAX_C(c) c ## ULL
#define __INT24_MIN__ (-__INT24_MAX__-1)
#define __SIG_ATOMIC_MAX__ 32767
#define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 1
#define __SIZEOF_PTRDIFF_T__ 2
#define __AVR 1
#define __DEC32_SUBNORMAL_MIN__ 0.000001E-95DF
#define __INT_FAST16_MAX__ 32767
#define __UINT_FAST32_MAX__ 4294967295UL
#define __UINT_LEAST64_TYPE__ long long unsigned int
#define __FLT_HAS_QUIET_NAN__ 1
#define __FLT_MAX_10_EXP__ 38
#define __LONG_MAX__ 2147483647L
#define __DEC128_SUBNORMAL_MIN__ 0.000000000000000000000000000000001E-6143DL
#define __FLT_HAS_INFINITY__ 1
#define __UINT_FAST16_TYPE__ unsigned int
#define __DEC64_MAX__ 9.999999999999999E384DD
#define __AVR_ATmega8__ 1
#define __CHAR16_TYPE__ short unsigned int
#define __PRAGMA_REDEFINE_EXTNAME 1
#define __AVR_HAVE_LPMX__ 1
#define __INT_LEAST16_MAX__ 32767
#define __DEC64_MANT_DIG__ 16
#define __INT64_MAX__ 9223372036854775807LL
#define __UINT_LEAST32_MAX__ 4294967295UL
#define __GCC_ATOMIC_LONG_LOCK_FREE 1
#define __INT_LEAST64_TYPE__ long long int
#define __INT16_TYPE__ short int
#define __INT_LEAST8_TYPE__ signed char
#define __DEC32_MAX_EXP__ 97
#define __INT_FAST8_MAX__ 32767
#define __INTPTR_MAX__ 32767
#define __LDBL_MANT_DIG__ 24
#define __DBL_HAS_QUIET_NAN__ 1
#define __SIG_ATOMIC_MIN__ (-__SIG_ATOMIC_MAX__ - 1)
#define AVR 1
#define __BUILTIN_AVR_FMULS 1
#define __INTPTR_TYPE__ int
#define __UINT16_TYPE__ short unsigned int
#define __WCHAR_TYPE__ int
#define __SIZEOF_FLOAT__ 4
#define __AVR__ 1
#define __UINTPTR_MAX__ 65535U
#define __DEC64_MIN_EXP__ (-382)
#define __INT_FAST64_MAX__ 9223372036854775807LL
#define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
#define __FLT_DIG__ 6
#define __UINT_FAST64_TYPE__ long long unsigned int
#define __INT_MAX__ 32767
#define __INT64_TYPE__ long long int
#define __FLT_MAX_EXP__ 128
#define __AVR_HAVE_MUL__ 1
#define __DBL_MANT_DIG__ 24
#define __INT_LEAST64_MAX__ 9223372036854775807LL
#define __AVR_HAVE_MOVW__ 1
#define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 1
#define __DEC64_MIN__ 1E-383DD
#define __WINT_TYPE__ unsigned int
#define __UINT_LEAST32_TYPE__ long unsigned int
#define __SIZEOF_SHORT__ 2
#define __LDBL_MIN_EXP__ (-125)
#define __INT_LEAST8_MAX__ 127
#define __LDBL_MAX_10_EXP__ 38
#define __ATOMIC_RELAXED 0
#define __DBL_EPSILON__ ((double)1.19209290e-7L)
#define __UINT8_C(c) c
#define __INT_LEAST32_TYPE__ long int
#define __SIZEOF_WCHAR_T__ 2
#define __UINT64_TYPE__ long long unsigned int
#define __INT_FAST8_TYPE__ int
#define __DBL_DECIMAL_DIG__ 9
#define __DEC_EVAL_METHOD__ 2
#define __ORDER_BIG_ENDIAN__ 4321
#define __UINT32_C(c) c ## UL
#define __INTMAX_MAX__ 9223372036854775807LL
#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
#define __FLT_DENORM_MIN__ 1.40129846e-45F
#define __INT8_MAX__ 127
#define __UINT_FAST32_TYPE__ long unsigned int
#define __CHAR32_TYPE__ long unsigned int
#define __FLT_MAX__ 3.40282347e+38F
#define __INT32_TYPE__ long int
#define __SIZEOF_DOUBLE__ 4
#define __FLT_MIN_10_EXP__ (-37)
#define __INTMAX_TYPE__ long long int
#define __DEC128_MAX_EXP__ 6145
#define __AVR_HAVE_16BIT_SP__ 1
#define __ATOMIC_CONSUME 1
#define __GNUC_MINOR__ 7
#define __UINTMAX_MAX__ 18446744073709551615ULL
#define __DEC32_MANT_DIG__ 7
#define __BUILTIN_AVR_CLI 1
#define __DBL_MAX_10_EXP__ 38
#define __LDBL_DENORM_MIN__ 1.40129846e-45L
#define __INT16_C(c) c
#define __STDC__ 1
#define __PTRDIFF_TYPE__ int
#define __ATOMIC_SEQ_CST 5
#define __UINT32_TYPE__ long unsigned int
#define __UINTPTR_TYPE__ unsigned int
#define __DEC64_SUBNORMAL_MIN__ 0.000000000000001E-383DD
#define __DEC128_MANT_DIG__ 34
#define __LDBL_MIN_10_EXP__ (-37)
#define __SIZEOF_LONG_LONG__ 8
#define __GCC_ATOMIC_LLONG_LOCK_FREE 1
#define __LDBL_DIG__ 6
#define __FLT_DECIMAL_DIG__ 9
#define __UINT_FAST16_MAX__ 65535U
#define __GNUC_GNU_INLINE__ 1
#define __BUILTIN_AVR_INSERT_BITS 1
#define __GCC_ATOMIC_SHORT_LOCK_FREE 1
#define __BUILTIN_AVR_FLASH_SEGMENT 1
#define __UINT_FAST8_TYPE__ unsigned int
#define __ATOMIC_ACQ_REL 4
#define __ATOMIC_RELEASE 3
#define __BUILTIN_AVR_FMUL 1


Oliver

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