rs_zephyr_common/
wrapping.rs

1use crate::to_fixed;
2
3pub struct WrappedMaxBytes(pub [u8; 8]);
4
5impl From<i64> for WrappedMaxBytes {
6    fn from(value: i64) -> Self {
7        let mut buf = [0; 8];
8        buf[..8].copy_from_slice(&value.to_be_bytes());
9
10        Self(buf)
11    }
12}
13
14impl From<&i64> for WrappedMaxBytes {
15    fn from(value: &i64) -> Self {
16        let mut buf = [0; 8];
17        buf[..8].copy_from_slice(&value.to_be_bytes());
18
19        Self(buf)
20    }
21}
22
23impl Into<i64> for WrappedMaxBytes {
24    fn into(self) -> i64 {
25        u64::from_be_bytes(self.0[..8].try_into().unwrap()) as i64
26    }
27}
28
29impl WrappedMaxBytes {
30    pub fn array_from_max_parts<const N: usize>(parts: &[i64]) -> [u8; N] {
31        let mut buf = [0_u8; N];
32        let mut i = 0;
33
34        for part in parts {
35            let arr = Self::from(part).0;
36            buf[i..i + 8].copy_from_slice(&arr);
37            i += 8;
38        }
39
40        buf
41    }
42
43    pub fn array_to_max_parts<const N: usize>(array: &[u8]) -> [i64; N] {
44        let mut buf = [0_i64; N];
45        let mut i = 0;
46
47        for n in (0..array.len()).step_by(8) {
48            let part: i64 = Self(to_fixed(array[n..n + 8].to_vec())).into();
49            buf[i] = part;
50            i += 1;
51        }
52
53        buf
54    }
55}
rs_zephyr_common/wrapping.rs

rs_zephyr_common/
wrapping.rs
