ariel_os_nrf/
identity.rs

1pub struct DeviceId(u64);
2
3impl ariel_os_embassy_common::identity::DeviceId for DeviceId {
4    #[expect(
5        refining_impl_trait_reachable,
6        reason = "making this fallible would be a breaking API change for Ariel OS"
7    )]
8    fn get() -> Result<Self, core::convert::Infallible> {
9        #[cfg(not(context = "nrf5340"))]
10        let ficr = embassy_nrf::pac::FICR;
11        #[cfg(context = "nrf5340")]
12        let ficr = embassy_nrf::pac::FICR.info();
13
14        let low = ficr.deviceid(0).read();
15        let high = ficr.deviceid(1).read();
16        Ok(Self((u64::from(high) << u32::BITS) | u64::from(low)))
17    }
18
19    type Bytes = [u8; 8];
20
21    fn bytes(&self) -> Self::Bytes {
22        self.0.to_le_bytes()
23    }
24}
ariel_os_nrf/identity.rs

ariel_os_nrf/
identity.rs
