Re: avrxmega7 device-not-found

Yep, I can understand what the issue is; it is just that I don't know how
to resolve it.

The point is, using "avr-gcc --target-help" lists "avrxmega6" as one of the
supported targets, then I fail to understand why the "device not found"
error is emitted.

More strangely, things work fine for some targets ("atmega8" for example),
but not for others ("avrxmega6" for example).


So, I will be grateful if someone could explicitly tell me what to do to
get things working for "avrxmega6" target.



Thanks and Regards,
Ajay

On Fri, Nov 20, 2015 at 10:58 AM, Adisak Anusornsrirung <[email protected]>
wrote:

> you need to add your mcu type in ave/io.h file.
>
> please see the link
> http://stackoverflow.com/questions/30525866/avr-gcc-atmega164pa-error-port-undeclared
>
>
> *From:* Ajay Garg <[email protected]>
> *Sent:* Friday, November 20, 2015 12:05 PM
> *To:* Adisak Anusornsrirung <[email protected]>
> *Cc:* Shawn Rich <[email protected]> ; [email protected]
> *Subject:* Re: [avr-gcc-list] avrxmega7 device-not-found
>
> "avrxmega6" does not work either :(
>
>
> ############################################################
> ajay@ajay-HP-15-Notebook-PC:~$ avr-gcc -mmcu=avrxmega6 ledblink.c -o
> ledblink.o
> In file included from ledblink.c:2:0:
> /usr/lib/avr/include/avr/io.h:428:6: warning: #warning "device type not
> defined" [-Wcpp]
> #    warning "device type not defined"
>       ^
> In file included from ledblink.c:3:0:
> /usr/lib/avr/include/util/delay.h:90:3: warning: #warning "F_CPU not
> defined for <util/delay.h>" [-Wcpp]
> # warning "F_CPU not defined for <util/delay.h>"
>    ^
> /usr/lib/avr/include/util/delay.h:95:3: warning: #warning "Compiler
> optimizations disabled; functions from <util/delay.h> won't work as
> designed" [-Wcpp]
> # warning "Compiler optimizations disabled; functions from <util/delay.h>
> won't work as designed"
>    ^
> ledblink.c: In function ‘main’:
> ledblink.c:16:9: error: ‘DDRC’ undeclared (first use in this function)
>          DDRC |=1<<PC2;  /* PC2 will now be the output pin */
>          ^
> ledblink.c:16:9: note: each undeclared identifier is reported only once
> for each function it appears in
> ledblink.c:16:19: error: ‘PC2’ undeclared (first use in this function)
>          DDRC |=1<<PC2;  /* PC2 will now be the output pin */
>                    ^
> ledblink.c:19:17: error: ‘PORTC’ undeclared (first use in this function)
>                  PORTC &= ~(1<<PC2);/* PC2 LOW */
> ############################################################
>
>
> On Fri, Nov 20, 2015 at 8:23 AM, Adisak Anusornsrirung <[email protected]
> > wrote:
>
>> Did you try
>> -mmcu=avrxmega6
>>
>>
>> avrxmega6 “XMEGA” devices with more than 128 KiB of program memory.
>> mcu = atxmega128a3, atxmega128a3u, atxmega128b1, atxmega128b3,
>> atxmega128c3, atxmega128d3, atxmega128d4, atxmega192a3, atxmega192a3u,
>> atxmega192c3, atxmega192d3, atxmega256a3, atxmega256a3b, *atxmega256a3bu*,
>> atxmega256a3u, atxmega256c3, atxmega256d3, atxmega384c3, atxmega384d3.
>> avrxmega7 “XMEGA” devices with more than 128 KiB of program memory and
>> more than 64 KiB of RAM.
>> mcu = atxmega128a1, atxmega128a1u, atxmega128a4u.
>>
>>
>> Credits: https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html
>>
>>
>>
>>
>>
>> *From:* Ajay Garg <[email protected]>
>> *Sent:* Friday, November 20, 2015 8:19 AM
>> *To:* Shawn Rich <[email protected]>
>> *Cc:* [email protected]
>> *Subject:* Re: [avr-gcc-list] avrxmega7 device-not-found
>>
>> Same response Shawn ::
>>
>>
>> ############################################################
>> ajay@ajay-HP-15-Notebook-PC:~$ avr-gcc -mmcu=atxmega256a3bu ledblink.c
>> -o ledblink.o | grep 256
>> In file included from ledblink.c:2:0:
>> /usr/lib/avr/include/avr/io.h:428:6: warning: #warning "device type not
>> defined" [-Wcpp]
>> #    warning "device type not defined"
>>       ^
>> In file included from ledblink.c:3:0:
>> /usr/lib/avr/include/util/delay.h:90:3: warning: #warning "F_CPU not
>> defined for <util/delay.h>" [-Wcpp]
>> # warning "F_CPU not defined for <util/delay.h>"
>>    ^
>> /usr/lib/avr/include/util/delay.h:95:3: warning: #warning "Compiler
>> optimizations disabled; functions from <util/delay.h> won't work as
>> designed" [-Wcpp]
>> # warning "Compiler optimizations disabled; functions from <util/delay.h>
>> won't work as designed"
>>    ^
>> ledblink.c: In function ‘main’:
>> ledblink.c:16:9: error: ‘DDRC’ undeclared (first use in this function)
>>          DDRC |=1<<PC2;  /* PC2 will now be the output pin */
>>          ^
>> ledblink.c:16:9: note: each undeclared identifier is reported only once
>> for each function it appears in
>> ledblink.c:16:19: error: ‘PC2’ undeclared (first use in this function)
>>          DDRC |=1<<PC2;  /* PC2 will now be the output pin */
>>                    ^
>> ledblink.c:19:17: error: ‘PORTC’ undeclared (first use in this function)
>>                  PORTC &= ~(1<<PC2);/* PC2 LOW */
>> ############################################################
>>
>>
>> Clearly either I am missing something, or something is really screwed up
>> :-\
>>
>>
>>
>> On Fri, Nov 20, 2015 at 2:38 AM, Shawn Rich <[email protected]> wrote:
>>
>>> The avr libc user manual shows that part under supported devices. Have
>>> you tried it?
>>>
>>> http://www.nongnu.org/avr-libc/user-manual/index.html
>>>
>>>
>>> shawn
>>>
>>> On Thu, Nov 19, 2015 at 3:56 PM, Ajay Garg <[email protected]>
>>> wrote:
>>>
>>>> Senthil,
>>>>
>>>> (I am just a newest newbie, but,) Assuming your hypothesis is correct,
>>>> what should I pass to compile the code on
>>>> http://www.atmel.com/tools/XMEGA-A3BUXPLAINED.aspx, using *Atmel
>>>> ATxmega256A3BU microcontroller*?
>>>>
>>>>
>>>> _______________________________________________
>>>> AVR-GCC-list mailing list
>>>> [email protected]
>>>> https://lists.nongnu.org/mailman/listinfo/avr-gcc-list
>>>>
>>>>
>>>
>>>
>>> --
>>>
>>> ~/shawn
>>>
>>
>>
>>
>> --
>> Regards,
>> Ajay
>> ------------------------------
>> _______________________________________________
>> AVR-GCC-list mailing list
>> [email protected]
>> https://lists.nongnu.org/mailman/listinfo/avr-gcc-list
>>
>
>
>
> --
> Regards,
> Ajay
>



-- 
Regards,
Ajay

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