* ```fn gpio_init(port0: &P0, gpiote: &Gpiote){
    port0.dirclr.write(|w| w.pin11().set_bit());
    port0.dirset.write(|w| w.pin13().set_bit());
    port0.outclr.write(|w| w.pin13().set_bit());

    
    gpiote.config[0].write(|w| {
        let w = w.mode().event().polarity().lo_to_hi();
        unsafe { w.psel().bits(11) }
    });
    gpiote.intenset.write(|w| w.in0().set_bit());
    unsafe {
        cortex_m::peripheral::NVIC::unmask(hal::pac::Interrupt::GPIOTE);
    }
    gpiote.events_in[0].write(|w| unsafe { w.bits(0) });
    gpiote.intenclr.write(|w| w.in0().clear_bit());
    loop{

    }
}

#[interrupt]
fn GPIOTE() {
    blinky();
}
```

What could be the issue with this implementation for interrupt. I am unable to reach a conclusion. Debugger never reaches the interrupt call.