#include #include #include int main (void) { DDRB = 0x18; PORTB = 0x00; _delay_ms(500); io_pin_t enable_pin = { .port = &PORTB, .pin = 3 }; io_pin_t data_pin = { .port = &PORTB, .pin = 4 }; set_pin(&enable_pin); for (uint8_t i = 0; i < 10; i++) { set_pin(&data_pin); _delay_ms(500); clear_pin(&data_pin); _delay_ms(500); } clear_pin(&enable_pin); while(1) {}; }