Re: Programming ATMega2560

On 11/26/14 14:25, Andreas Höschler wrote:


#define F_CPU 16000000UL  /* 16 MHz CPU clock */
#include <avr/io.h>
#include <util/delay.h>
#define OUTPUTPORT PORTB
#define OUTPUTPIN PB7
int main (void) {
   DDRB = 0xff;          // all outputs
   while (1)                       /* loop forever */
         {
       if ((PORTB & _BV(PB7)) > 0) PORTB &= ~_BV(PB7);
       else PORTB |= _BV(PB7);
       _delay_ms(500);
         }
   return (0);
}


 > avr-gcc -mmcu=atmega2560 -Wall -O2 -I /usr/lib/avr/include/ main.c

No errors.

Tom Dean