Arduino:1.8.2 (Windows Store 1.8.3.0) (Windows 10), Płytka:"Arduino Nano, ATmega328"

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:1:0: warning: "F_CPU" redefined

 #define F_CPU 8000000UL //zegar 8Mhz

 ^

<command-line>:0:0: note: this is the location of the previous definition

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino: In function 'int main()':

sketch_may15a:49: error: 'DDRA' was not declared in this scope

   DDRA = 0xff;

   ^

sketch_may15a:3: error: 'PC7' was not declared in this scope

 #define K2 PC7

            ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:483:20: note: in expansion of macro 'K2'

       PORTC |= (1<<K2);

                    ^

sketch_may15a:515: error: 'PORTA' was not declared in this scope

       PORTA |= (1<<K10);

       ^

sketch_may15a:11: error: 'PA7' was not declared in this scope

 #define K10 PA7

             ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:515:20: note: in expansion of macro 'K10'

       PORTA |= (1<<K10);

                    ^

sketch_may15a:12: error: 'PA6' was not declared in this scope

 #define K11 PA6

             ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:519:20: note: in expansion of macro 'K11'

       PORTA |= (1<<K11);

                    ^

sketch_may15a:13: error: 'PA5' was not declared in this scope

 #define K12 PA5

             ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:523:20: note: in expansion of macro 'K12'

       PORTA |= (1<<K12);

                    ^

sketch_may15a:14: error: 'PA4' was not declared in this scope

 #define K13 PA4

             ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:527:20: note: in expansion of macro 'K13'

       PORTA |= (1<<K13);

                    ^

sketch_may15a:15: error: 'PA3' was not declared in this scope

 #define K14 PA3

             ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:531:20: note: in expansion of macro 'K14'

       PORTA |= (1<<K14);

                    ^

sketch_may15a:16: error: 'PA2' was not declared in this scope

 #define K15 PA2

             ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:535:20: note: in expansion of macro 'K15'

       PORTA |= (1<<K15);

                    ^

sketch_may15a:17: error: 'PA1' was not declared in this scope

 #define K16 PA1

             ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:539:20: note: in expansion of macro 'K16'

       PORTA |= (1<<K16);

                    ^

sketch_may15a:18: error: 'PA0' was not declared in this scope

 #define K17 PA0

             ^

C:\Users\seba\Documents\Arduino\nwm\sketch_may15a\sketch_may15a.ino:543:20: note: in expansion of macro 'K17'

       PORTA |= (1<<K17);

                    ^

exit status 1
'DDRA' was not declared in this scope

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