1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/Message.h	Sun May 11 00:30:03 2025 +0200
     1.3 @@ -0,0 +1,88 @@
     1.4 +/**
     1.5 + * djm-fix
     1.6 + * Copyright © 2025 František Kučera (Frantovo.cz, GlobalCode.info)
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License as published by
    1.10 + * the Free Software Foundation, version 3 of the License.
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    1.15 + * GNU General Public License for more details.
    1.16 + *
    1.17 + * You should have received a copy of the GNU General Public License
    1.18 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
    1.19 + */
    1.20 +
    1.21 +#pragma once
    1.22 +
    1.23 +#include <stdint.h>
    1.24 +#include <vector>
    1.25 +#include <string>
    1.26 +#include <ostream>
    1.27 +
    1.28 +enum class MessageType : uint8_t {
    1.29 +	/** device sends: greeting message */
    1.30 +	D11_GREETING = 0x11,
    1.31 +
    1.32 +	/** host sends: seed1 */
    1.33 +	H12_SEED1 = 0x12,
    1.34 +
    1.35 +	/** device sends: hash1 and seed2 */
    1.36 +	D13_HASH1_SEED2 = 0x13,
    1.37 +
    1.38 +	/** host sends: hash2 */
    1.39 +	H14_HASH2 = 0x14,
    1.40 +
    1.41 +	/** device sends: confirmation of successful handshake */
    1.42 +	D15_CONFIRMATION = 0x15,
    1.43 +};
    1.44 +
    1.45 +enum class FieldType : uint8_t {
    1.46 +	/** manufacturer name */
    1.47 +	F01 = 0x01,
    1.48 +	/** product name */
    1.49 +	F02 = 0x02,
    1.50 +	/** seed1 from host | seed2 from device */
    1.51 +	F03 = 0x03,
    1.52 +	/** hash2 from host | hash1 from device */
    1.53 +	F04 = 0x04,
    1.54 +	/** seed3 from device */
    1.55 +	F05 = 0x05,
    1.56 +};
    1.57 +
    1.58 +class Field {
    1.59 +public:
    1.60 +	FieldType type;
    1.61 +	std::vector<uint8_t> data;
    1.62 +
    1.63 +	Field(FieldType type, std::vector<uint8_t> data) : type(type), data(data) {
    1.64 +	}
    1.65 +
    1.66 +	virtual ~Field() = default;
    1.67 +};
    1.68 +
    1.69 +/**
    1.70 + * Object representation of a raw MIDI message.
    1.71 + * Is either a result of parsing a raw message by MessageCodec, or constructed
    1.72 + * in the application to be serialized in MessageCodec to a raw message.
    1.73 + */
    1.74 +class Message {
    1.75 +public:
    1.76 +	MessageType type;
    1.77 +	/** 0x17 for DJM-250MK2 and 0x34 for V10 (maybe not a version) */
    1.78 +	uint8_t version;
    1.79 +	std::vector<Field> fields;
    1.80 +
    1.81 +	Message(MessageType type, uint8_t version, std::vector<Field> fields) :
    1.82 +			type(type), version(version), fields(fields) {
    1.83 +	}
    1.84 +
    1.85 +	virtual ~Message() = default;
    1.86 +
    1.87 +	std::string toString() const;
    1.88 +
    1.89 +	std::vector<Field> findFields(FieldType type);
    1.90 +
    1.91 +};