Re: avrxmega7 device-not-found

Can you show your makefile?


From: Ajay Garg 
Sent: Friday, November 20, 2015 12:05 PM
To: Adisak Anusornsrirung 
Cc: Shawn Rich ; [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 
  Sent: Friday, November 20, 2015 8:19 AM
  To: Shawn Rich 
  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?



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    -- 


    ~/shawn



  -- 

  Regards,
  Ajay


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Regards,
Ajay

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