Re: avrxmega7 device-not-found

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*?


Thanks everyone for the help so far...

On Thu, Nov 19, 2015 at 9:40 PM, Werner Harbrecht <[email protected]>
wrote:

> Hi,
> at a quick view at
> http://www.atmel.com/products/microcontrollers/avr/avr_xmega.aspx
> I can't find any avrxmaga7.
> May be that’s the fault?
>
> Werner
>
>
> >
> > Hi All.
> >
> >
> > I am trying to build a hello-world program using a linux-gcc-toolchain.
> >
> >
> >
> > Following is the program ::
> >
> > #####################################################
> > /* ledblink.c, an LED blinking program */
> >
> > #include<avr/io.h>
> > #include<util/delay.h>
> > void sleep(uint8_t millisec)
> > {
> >         while(millisec)
> >
> >         {
> >                 _delay_ms(1);/* 1 ms delay */
> >                 millisec--;
> >         }
> > }
> > main()
> > {
> >
> >         DDRC |=1<<PC2;  /* PC2 will now be the output pin */
> >         while(1)
> >         {
> >                 PORTC &= ~(1<<PC2);/* PC2 LOW */
> >                 sleep(100);/* 100 ms delay */
> >
> >                 PORTC |=(1<<PC2); /* PC2 HIGH */
> >                 sleep(100);/* 100 ms delay */
> >         }
> > }
> > #####################################################
> >
> >
> >
> >
> >
> > When I compile with -mmcu=atmega8, the device is found, and the program
> > builds fine.
> >
> >
> >
> >
> > However with avrxmega7, it fails at the very beginning, with the error
> > "device not found" ::
> >
> > #####################################################
> > ajay@ajay-HP-15-Notebook-PC:~$ avr-gcc -mmcu=avrxmega7 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 */
> > #####################################################
> >
> >
> >
> >
> >
> > Following are the various package-versions ::
> >
> > #####################################################
> > ajay@ajay-HP-15-Notebook-PC:~$ dpkg -l | grep avr
> > ii  avr-libc                                              1:1.8.0-4.1
> > all          Standard C library for Atmel AVR development
> > ii  avrdude                                               6.0.1-1
> > i386         software for programming Atmel AVR microcontrollers
> > ii  binutils-avr                                          2.23.1-2.1
> > i386         Binary utilities supporting Atmel's AVR targets
> > ii  gcc-avr                                               1:4.8-2.1
> > i386         The GNU C compiler (cross compiler for avr)
> > ii  gdb-avr                                               7.6-1
> > i386         The GNU Debugger for avr
> > ii  libavresample2:i386                                   6:11-1trusty
> > i386         Libav audio resampling library
> > #####################################################
> >
> >
> >
> > What am I missing?
> >
> >
> >
> > --
> >
> > Regards,
> > Ajay
>
>
>
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-- 
Regards,
Ajay

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