#pragma once #include "serial_io.h" static void relay_toggle(bool state, int id, int serial) { char buffer[8]; int length = sprintf(buffer, "%d \n", id); state ? write(serial, "relay on ", sizeof("relay on ")-1) : write(serial, "relay off ", sizeof("relay off ")-1); state ? std::cout<<"relay on " : std::cout<<"relay off "; std::cout<