27 lines
980 B
C
27 lines
980 B
C
/* Blinker Demo */
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// ------- Preamble -------- //
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#include <avr/io.h> /* Defines pins, ports, etc */
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#include <util/delay.h> /* Functions to waste time */
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int main(void) {
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// -------- Inits --------- //
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DDRB |= 0b00000001; /* Data Direction Register B:
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writing a one to the bit
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enables output. */
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// ------ Event loop ------ //
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while (1) {
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PORTB = 0b00000001; /* Turn on first LED bit/pin in PORTB */
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_delay_ms(1000); /* wait */
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PORTB = 0b00000000; /* Turn off all B pins, including LED */
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_delay_ms(1000); /* wait */
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} /* End event loop */
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return 0; /* This line is never reached */
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}
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