38 lines
569 B
C
38 lines
569 B
C
/*
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* (c) Anil Kumar Pugalia, 2010. Email: email@sarika-pugs.com
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*
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* ATmega48/88/168, ATmega16/32
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*
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* Example Blink. Toggles all IO pins at 1Hz
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*/
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#include <avr/io.h>
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#include <util/delay.h>
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void init_io(void)
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{
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// 1 = output, 0 = input
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DDRB = 0b11111111; // All outputs
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DDRC = 0b11111111; // All outputs
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DDRD = 0b11111110; // PORTD (RX on PD0). Just for demo
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}
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int main(void)
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{
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init_io();
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while (1)
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{
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PORTC = 0xFF;
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PORTB = 0xFF;
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PORTD = 0xFF;
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_delay_ms(500);
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PORTC = 0x00;
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PORTB = 0x00;
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PORTD = 0x00;
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_delay_ms(500);
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}
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return 0;
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}
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