Re: [avr-gcc-list] Programming ATMega2560

[Thomas D. Dean]

On 11/26/14 11:46, Andreas Höschler wrote:
> #define F_CPU 16000000UL  /* 16 MHz CPU clock */
> #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);
>    }

A couple coding problems.

You need to include avr/io.h to get port definitions.
delay_ms(500) should be _delay_ms(500)

Tom Dean