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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | #include <avr/io.h>#include <util/delay.h> /* Button click with software debounce*/int main(void){ DDRB |= 1 << PINB0; // set PINB0 as output PORTB ^= 1 << PINB0; // xor toggling only PORTB0 DDRB |= 1 << PINB2; // set PINB2 as output DDRB &= ~(1 << PINB1); // set PINB1 as input PORTB |= 1 << PINB1; // pull PINB1 high int press = 0; int pressed_cf=0; int released_cf=0; while(1) // infinite loop { if(bit_is_clear(PINB,1)) { if (pressed_cf++ > 500) { if (press == 0 ) { PORTB ^= 1 << PINB0; PORTB ^= 1 << PINB2; press = 1; } pressed_cf = 0; } } else { if(released_cf++ > 500) { press=0; released_cf=0; } } }} |