src/protocol.rs


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//! Status protocol for the MMX 150 wireless dongle (reverse-engineered).
//!
//! Placeholder: the dongle rejects `GET_FEATURE`/`GET_INPUT` control
//! transfers, so the status query is a write-then-read exchange over the
//! vendor output/feature reports. The exact command bytes and the response
//! layout for battery level and headset link state are being determined in
//! Phase 1 (see `src/bin/probe.rs`).

/// Vendor output report IDs available on the dongle.
pub mod reports {
    /// 60-byte output/feature report.
    pub const OUT_60_A: u8 = 0x2a;
    /// 60-byte feature report.
    pub const FEAT_60_B: u8 = 0x2b;
    /// 60-byte output/feature report.
    pub const OUT_60_C: u8 = 0x3a;
    /// 60-byte feature report.
    pub const FEAT_60_D: u8 = 0x3b;
    /// 16-byte output report.
    pub const OUT_16_A: u8 = 0x2d;
    /// 16-byte output report.
    pub const OUT_16_B: u8 = 0x3d;
}