djio 0.0.23

DJ Hardware Control(ler) Support
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

// SPDX-FileCopyrightText: The djio authors
// SPDX-License-Identifier: MPL-2.0

use smol_str::SmolStr;
use strum::{EnumCount, EnumIter};

use crate::{
    AudioInterfaceDescriptor, ControllerDescriptor, DeviceDescriptor, MidiDeviceDescriptor,
};

mod input;
pub use self::input::{DeckSensor, MainSensor, Sensor, SideSensor, try_decode_midi_input};

mod output;
pub use self::output::OutputGateway;

pub const AUDIO_INTERFACE_DESCRIPTOR: AudioInterfaceDescriptor = AudioInterfaceDescriptor {
    num_input_channels: 0, // TODO
    num_output_channels: 4,
};

pub const MIDI_DEVICE_DESCRIPTOR: &MidiDeviceDescriptor = &MidiDeviceDescriptor {
    device: DeviceDescriptor {
        vendor_name: SmolStr::new_static("Denon DJ"),
        product_name: SmolStr::new_static("MC6000MK2"),
        audio_interface: Some(AUDIO_INTERFACE_DESCRIPTOR),
    },
    port_name_prefix: "MC6000MK2",
};

pub const DEVICE_DESCRIPTOR: &DeviceDescriptor = &MIDI_DEVICE_DESCRIPTOR.device;

#[expect(clippy::cast_possible_truncation)]
pub const CONTROLLER_DESCRIPTOR: &ControllerDescriptor = &ControllerDescriptor {
    num_decks: Side::COUNT as u8,
    num_virtual_decks: Deck::COUNT as u8,
    num_mixer_channels: Deck::COUNT as u8,
    num_pads_per_deck: 4, // hot cues
    num_effect_units: 2,
};

#[derive(Debug, Clone, Copy, EnumIter, EnumCount)]
pub enum Side {
    Left,
    Right,
}

#[derive(Debug, Clone, Copy, EnumIter, EnumCount)]
pub enum Deck {
    /// Primary left deck
    One,
    /// Primary right deck
    Two,
    /// Secondary left deck
    Three,
    /// Secondary right deck
    Four,
}

impl Deck {
    #[must_use]
    pub const fn side(self) -> Side {
        match self {
            Self::One | Self::Three => Side::Left,
            Self::Two | Self::Four => Side::Right,
        }
    }
}

const MIDI_CMD_NOTE_OFF: u8 = 0x80;
const MIDI_CMD_NOTE_ON: u8 = 0x90;
const MIDI_CMD_CC: u8 = 0xb0;

const MIDI_DECK_CUE_BUTTON: u8 = 0x42;
const MIDI_DECK_PLAYPAUSE_BUTTON: u8 = 0x43;
const MIDI_DECK_SYNC_BUTTON: u8 = 0x6b;