nfc test

good.rs

#![no_std]
#![no_main]
#[allow(unused_imports)]
use panic_semihosting;

use embedded_hal::blocking::delay::DelayMs;
use embedded_hal::digital::v2::OutputPin;
use nrf52840_hal as hal;
use nrf52840_hal::nrf52840_pac as pac;

use cortex_m_rt::entry;
use hal::gpio::Level;
use hal::prelude::GpioExt;

use cortex_m_semihosting::dbg;
use rtfm::app;

#[app(device = nrf52840_hal::target)]
const APP: () = {
    static NFC: pac::NFCT = ();
    #[init]
    fn init()  -> init::LateResources {
        device.NFCT.tasks_activate.write(|w| w.tasks_activate().set_bit());
        device.NFCT.inten.write(|w| w.fielddetected().enabled());

        init::LateResources { NFC: device.NFCT }
    }
    #[idle]
    fn idle() -> ! {
        loop {}
    }
    #[interrupt(resources = [NFC])]
    fn NFCT() {
        //let p = pac::Peripherals::take().unwrap();
        if (resources.NFC.events_fielddetected.read().events_fielddetected().bit_is_set()) {
          dbg!("hello NFC 2");
        }
    }
};