33 lines
712 B
C
33 lines
712 B
C
/* Blinker Demo II */
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#include <avr/io.h>
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#include <util/delay.h>
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#define LED PB0
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#define LED_DDR DDRB
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#define LED_PORT PORTB
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#define DELAYTIME 200
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#define setBit(sfr, bit) (_SFR_BYTE(sfr) |= (1 << bit))
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#define clearBit(sfr, bit) (_SFR_BYTE(sfr) &= ~(1 << bit))
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#define toggleBit(sfr, bit) (_SFR_BYTE(sfr) ^= (1 << bit))
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int main(void) {
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// Init
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setBit(LED_DDR, LED); /* set LED pin for output */
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// Mainloop
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while (1) {
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setBit(LED_PORT, LED);
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_delay_ms(DELAYTIME);
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clearBit(LED_PORT, LED);
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_delay_ms(DELAYTIME);
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}
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return 0; /* end mainloop */
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}
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