template<typename io_pin_tt>
struct led{
    static inline void on(){
        io_pin_tt::set(1);
    }

    static inline void off(){
        io_pin_tt::set(0);
    }
};

using power_led = led<cpu::io::pin<13>>;
using status_led = led<cpu::io::pin<1>>;


//...
power_led::on();

if(blaaa)
    status_led::on();

power_led::off
//...