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// Ukazkovy program pro blikani na vystupu PC0 |
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// Predpoklada procesor ATmega8 v defaultnim nastaveni |
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// (interni RC oscilator 1MHz). |
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#define F_CPU 1000000UL // 1MHz je deaultni frekvence interniho RC oscilatoru |
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#include <avr/io.h> |
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#include <avr/delay.h> |
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// Spozdeni o libovolny pocet ms |
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void xDelay_ms(unsigned int Time) |
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{ |
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for(;Time!=0;Time--) |
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_delay_ms(1); // Knihovni procedura ma velmi omezen |
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} // maximalni cas spozdeni |
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// Hlavni program |
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int main() |
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{ |
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DDRC |=1; // Nastav port PCD0 jako vystup |
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for(;;) // Nekonecna smycka |
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{ |
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PORTC |= 1; // Nastav 1 |
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xDelay_ms(500); // Pockej 1/2 sekundy |
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PORTC &= ~1; // Nastav 0 |
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xDelay_ms(500); // Pockej 1/2 sekundy |
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} |
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return 0; |
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} |