Function global_profile_get

src/features.rs:688–752

(feature: &Feature)

// ─── GlobalProfile Getter/Setter (0x26) ──────────────────────────────────────

fn global_profile_get(feature: &Feature) -> f32 {
    let bitmask = match feature.id {
        FeatureId::SbxMaster => 0x01u8,
        FeatureId::ScoutMode => 0x02u8,
        _ => panic!("global_profile_get called on {:?}", feature.id),
    };

    debug!(
        "Querying global profile: {} (bit 0x{:02x})",
        feature.id, bitmask
    );

    let mut payload = [0u8; 65];
    payload[1] = 0x5a;
    payload[2] = 0x26;
    payload[3] = 0x03;
    payload[4] = 0x08;
    payload[5] = 0xff;
    payload[6] = 0xff;

    DEVICE_CONNECTION
        .get()
        .expect("Device connection must be initialized")
        .lock()
        .unwrap()
        .write(&payload)
        .expect("Failed to send query to device");

    for attempt in 0..MAX_READ_ATTEMPTS {
        let Some(response) = read_packet() else {
            error!(
                "No response on attempt {}/{} for {}",
                attempt + 1,
                MAX_READ_ATTEMPTS,
                feature.id
            );
            continue;
        };

        // expected: 5a 26 0b 08 ff ff [bitmask] ...
        if response[0] == 0x5a && response[1] == 0x26 {
            let device_bitmask = response[6];
            let is_on = (device_bitmask & bitmask) != 0;
            let value = if is_on { 1.0 } else { 0.0 };
            debug!(
                "Read {} = {} (device bitmask: 0x{:02x})",
                feature.id, value, device_bitmask
            );
            *feature.value.lock().unwrap() = value;
            return value;
        }

        debug!(
            "Discarded stale packet on attempt {}: {:02x?}",
            attempt + 1,
            &response[..12]
        );
    }