33 lines
578 B
C
33 lines
578 B
C
#define F_CPU 16000000UL
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#define __AVR_ATmega328P__
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#include <avr/io.h>
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#include <util/delay.h>
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int main(void) {
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DDRB = 0xff;
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while (1) {
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// green
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PORTB |= (1 << PORTB5);
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_delay_ms(500);
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PORTB &= ~(1 << PORTB5);
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// yellow
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PORTB |= (1 << PORTB4);
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_delay_ms(500);
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PORTB &= ~(1 << PORTB4);
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// red
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PORTB |= (1 << PORTB3);
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_delay_ms(500);
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PORTB &= ~(1 << PORTB3);
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// red and yellow
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PORTB |= (1 << PORTB3);
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PORTB |= (1 << PORTB4);
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_delay_ms(500);
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PORTB &= ~(1 << PORTB3);
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PORTB &= ~(1 << PORTB4);
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}
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}
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