152 lines
5.9 KiB
C
152 lines
5.9 KiB
C
/*--------------------------------------------------------------------------MidiSpecs.h
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*
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* These defines are based on specs created by the USB and MMA standards organizations.
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* There are not a lot of other ways to code them so licensing this is rather ludicrous.
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* However, in order to be able to embed this in client projects, and avoid the stupidity
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* of enforced open everything I will declare the following about this file.
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*
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* Copyright (c) 2011 Donald Delmar Davis, Suspect Devices
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this
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* software and associated documentation files (the "Software"), to deal in the Software
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* without restriction, including without limitation the rights to use, copy, modify,
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies
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* or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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/*
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* USB midi commands from
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* MIDI10.pdf "Universal Serial Bus Device Class Definition for MIDI Devices"
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* REV 1. (1999)
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* http://www.usb.org/developers/devclass_docs/midi10.pdf
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*
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*/
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#ifndef __LETS_MIDI_SPECS_H__
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#define __LETS_MIDI_SPECS_H__
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#include <stdint.h>
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#include <stdbool.h>
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// rework this for the different architectures....
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#if defined(__GNUC__)
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typedef struct
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{
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unsigned cin : 4; // this is the low nibble.
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unsigned cable : 4;
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// uint8_t cin;
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uint8_t midi0;
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uint8_t midi1;
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uint8_t midi2;
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} __attribute__ ((__packed__)) MIDI_EVENT_PACKET_t ;
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#else
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typedef struct // may need to be adjusted for other compilers and bitfield order...
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{
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unsigned cable : 4;
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unsigned cin : 4;
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uint8_t midi0;
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uint8_t midi1;
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uint8_t midi2;
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} MIDI_EVENT_PACKET_t ;
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#endif
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#define CIN_MISC_FUNCTION 0x00 /* Reserved for future extension. */
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#define CIN_CABLE_EVENT 0x01 /* Reserved for future extension. */
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#define CIN_2BYTE_SYS_COMMON 0x02 /* 2Bytes -- MTC, SongSelect, etc. */
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#define CIN_3BYTE_SYS_COMMON 0x03 /* 3Bytes -- SPP, etc. */
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#define CIN_SYSEX 0x04 /* 3Bytes */
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#define CIN_SYSEX_ENDS_IN_1 0x05 /* 1Bytes */
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#define CIN_SYSEX_ENDS_IN_2 0x06 /* 2Bytes */
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#define CIN_SYSEX_ENDS_IN_3 0x07 /* 3Bytes */
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#define CIN_NOTE_OFF 0x08 /* 3Bytes */
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#define CIN_NOTE_ON 0x09 /* 3Bytes */
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#define CIN_AFTER_TOUCH 0x0A /* 3Bytes */
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#define CIN_CONTROL_CHANGE 0x0B /* 3Bytes */
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#define CIN_PROGRAM_CHANGE 0x0C /* 2Bytes */
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#define CIN_CHANNEL_PRESSURE 0x0D /* 2Bytes */
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#define CIN_PITCH_WHEEL 0x0E /* 3Bytes */
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#define CIN_1BYTE 0x0F /* 1Bytes */
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//#define CIN_IS_SYSEX(cin) ((cin == CIN_SYSEX)||(cin == CIN_SYSEX_ENDS_IN_1)||(cin == CIN_SYSEX_ENDS_IN_2)||(cin == CIN_SYSEX_ENDS_IN_3))
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#define CIN_IS_SYSEX(cin) ( ((cin) & ~(0x08)) && ((cin) &0x04) )
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/*
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* MIDI V1 message definitions these are from the MMA document
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* http://www.midi.org/techspecs/midimessages.php
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*/
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#define MIDIv1_BAUD_RATE 31250
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/*
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* parse midi (v1) message macros
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*/
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#define MIDIv1_IS_STATUS(b) ((b) & 0x80)
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#define MIDIv1_IS_VOICE(b) ((b) <= 0xEF)
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#define MIDIv1_VOICE_COMMAND(b) ((b) & 0xF0)
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#define MIDIv1_VOICE_CHANNEL(b) ((b) & 0x0F)
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#define MIDIv1_IS_SYSCOMMON(b) (((b) >= 0xF0) & ((b) < 0xF8))
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#define MIDIv1_IS_REALTIME(b) ((b) >= 0xF8)
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/*
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* Voice category messages
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*/
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#define MIDIv1_NOTE_OFF 0x80 /* 2 bytes data -- CIN_NOTE_OFF */
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#define MIDIv1_NOTE_ON 0x90 /* 2 bytes data -- CIN_NOTE_ON */
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#define MIDIv1_AFTER_TOUCH 0xA0 /* 2 bytes data -- CIN_AFTER_TOUCH */
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#define MIDIv1_CONTROL_CHANGE 0xB0 /* 2 bytes data -- CIN_CONTROL_CHANGE */
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#define MIDIv1_PROGRAM_CHANGE 0xC0 /* 1 byte data -- CIN_PROGRAM_CHANGE */
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#define MIDIv1_CHANNEL_PRESSURE 0xD0 /* 1 byte data -- CIN_CHANNEL_PRESSURE */
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#define MIDIv1_PITCH_WHEEL 0xE0 /* 2 bytes data -- CIN_PITCH_WHEEL */
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/*
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* System common category messages
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*/
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#define MIDIv1_SYSEX_START 0xF0
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#define MIDIv1_SYSEX_END 0xF7
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#define MIDIv1_MTC_QUARTER_FRAME 0xF1 /* 1 byte data -- CIN_2BYTE_SYS_COMMON */
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#define MIDIv1_SONG_POSITION_PTR 0xF2 /* 2 bytes data -- CIN_3BYTE_SYS_COMMON */
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#define MIDIv1_SONG_SELECT 0xF3 /* 1 byte data -- CIN_2BYTE_SYS_COMMON */
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#define MIDIv1_TUNE_REQUEST 0xF6 /* no data -- CIN_1BYTE */
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/*
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* Realtime category messages, can be sent anytime
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*/
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#define MIDIv1_CLOCK 0xF8 /* no data -- CIN_1BYTE */
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#define MIDIv1_TICK 0xF9 /* no data -- CIN_1BYTE */
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#define MIDIv1_START 0xFA /* no data -- CIN_1BYTE */
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#define MIDIv1_CONTINUE 0xFB /* no data -- CIN_1BYTE */
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#define MIDIv1_STOP 0xFC /* no data -- CIN_1BYTE */
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#define MIDIv1_ACTIVE_SENSE 0xFE /* no data -- CIN_1BYTE */
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#define MIDIv1_RESET 0xFF /* no data -- CIN_1BYTE */
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/*
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* sysex universal id's
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*/
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#define MIDIv1_UNIVERSAL_REALTIME_ID 0x7F
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#define MIDIv1_UNIVERSAL_NON_REALTIME_ID 0x7E
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#define MIDIv1_UNIVERSAL_ALL_CHANNELS 0x7F
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/*
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* Susbset of universal sysex (general info request)
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* As described http://www.blitter.com/~russtopia/MIDI/~jglatt/tech/midispec.htm
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*/
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#define USYSEX_NON_REAL_TIME 0x7E
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#define USYSEX_REAL_TIME 0x7F
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#define USYSEX_ALL_CHANNELS 0x7F
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#define USYSEX_GENERAL_INFO 0x06
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#define USYSEX_GI_ID_REQUEST 0x01
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#define USYSEX_GI_ID_RESPONSE 0x02
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#endif
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