| 1 | #include <stdint.h> |
| 2 | |
| 3 | #include <avr/io.h> |
| 4 | |
| 5 | #define F_CPU 1000000UL |
| 6 | #include <util/delay.h> |
| 7 | |
| 8 | |
| 9 | #define LED 2 /* PD2 */ |
| 10 | |
| 11 | |
| 12 | int main(void) |
| 13 | { |
| 14 | DDRD = 1 << LED; |
| 15 | while (1) { |
| 16 | PORTD ^= 1 << LED; |
| 17 | _delay_ms(50); |
| 18 | } |
| 19 | } |
| 20 | |
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