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