medius 3.4.6

Rust library for Medius, replacement firmware for the MAKCU box
Documentation 
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//! Spread of an injected delta across the host's command interval (§4.14).

/// Configured spread percent and the interval the box releases across (§4.14).
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
pub struct SpreadStatus {
    /// Percent of the learnt command interval. 0 is off; >100 overlaps.
    pub percent: u16,
    /// Release interval in µs. 0 while `percent` is 0, until the box learns the host's command period,
    /// and until the two chips agree which one holds the motion. While 0, the whole delta is emitted on
    /// the next report.
    pub span_us: u32,
}

impl SpreadStatus {
    /// Decodes a `RESP(OPTIONS, SPREAD)` payload (§4.14).
    pub(crate) fn from_payload(p: &[u8]) -> Option<SpreadStatus> {
        if p.len() < 8 {
            return None;
        }
        Some(SpreadStatus {
            percent: u16::from_le_bytes([p[2], p[3]]),
            span_us: u32::from_le_bytes([p[4], p[5], p[6], p[7]]),
        })
    }
}