39 lines
690 B
C
39 lines
690 B
C
#include <avr/io.h>
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#include <util/delay.h>
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int main (void)
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{
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unsigned char counter;
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/* set PORTB for output*/
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DDRB = 0xFF;
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while (1)
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{
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/* set PORTB.2 high */
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PORTB = 0xFF;
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/* wait (10 * 120000) cycles = wait 1200000 cycles */
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counter = 0;
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while (counter != 50)
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{
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/* wait (30000 x 4) cycles = wait 120000 cycles */
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_delay_loop_2(60000);
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counter++;
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}
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/* set PORTB.2 low */
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PORTB = 0x00;
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/* wait (10 * 120000) cycles = wait 1200000 cycles */
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counter = 0;
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while (counter != 50)
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{
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/* wait (30000 x 4) cycles = wait 120000 cycles */
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_delay_loop_2(30000);
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counter++;
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}
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}
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return 1;
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} |