diff options
Diffstat (limited to 'Software/LGL/MidiSpecs.h')
| -rw-r--r-- | Software/LGL/MidiSpecs.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/Software/LGL/MidiSpecs.h b/Software/LGL/MidiSpecs.h new file mode 100644 index 0000000..008f460 --- /dev/null +++ b/Software/LGL/MidiSpecs.h @@ -0,0 +1,132 @@ +/*--------------------------------------------------------------------------MidiSpecs.h + * + * These defines are based on specs created by the USB and MMA standards organizations. + * There are not a lot of other ways to code them so liscensing this is rather ludicrous. + * However, in order to be able to embed this in client projects, and avoid the stupidity + * of enforced open everything I will declare the following about this file. + * + * Copyright (c) 2011 Donald Delmar Davis, Suspect Devices + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this + * software and associated documentation files (the "Software"), to deal in the Software + * without restriction, including without limitation the rights to use, copy, modify, + * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be included in all copies + * or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, + * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +/* + * USB midi commands from + * MIDI10.pdf "Universal Serial Bus Device Class Definition for MIDI Devices" + * REV 1. (1999) + * http://www.usb.org/developers/devclass_docs/midi10.pdf + * + */ + +#ifndef __LETS_MIDI_SPECS_H__ +#define __LETS_MIDI_SPECS_H__ +#include <stdint.h> +#include <stdbool.h> + +#if defined(__GNUC__) +typedef struct +{ + unsigned cable : 4; + unsigned cin : 4; // this is the low nibble. + uint8_t midi0; + uint8_t midi1; + uint8_t midi2; +} __attribute__ ((__packed__)) MIDI_EVENT_PACKET_t ; +#else +typedef struct // may need to be adjusted for other compilers and bitfield order... +{ + unsigned cable : 4; + unsigned cin : 4; + uint8_t midi0; + uint8_t midi1; + uint8_t midi2; +} MIDI_EVENT_PACKET_t ; +#endif + + +#define CIN_MISC_FUNCTION 0x00 /* Reserved for future extension. */ +#define CIN_CABLE_EVENT 0x01 /* Reserved for future extension. */ +#define CIN_2BYTE_SYS_COMMON 0x02 /* 2Bytes -- MTC, SongSelect, etc. */ +#define CIN_3BYTE_SYS_COMMON 0x03 /* 3Bytes -- SPP, etc. */ +#define CIN_SYSEX 0x04 /* 3Bytes */ +#define CIN_SYSEX_ENDS_IN_1 0x05 /* 1Bytes */ +#define CIN_SYSEX_ENDS_IN_2 0x06 /* 2Bytes */ +#define CIN_SYSEX_ENDS_IN_3 0x07 /* 3Bytes */ +#define CIN_NOTE_OFF 0x08 /* 3Bytes */ +#define CIN_NOTE_ON 0x09 /* 3Bytes */ +#define CIN_AFTER_TOUCH 0x0A /* 3Bytes */ +#define CIN_CONTROL_CHANGE 0x0B /* 3Bytes */ +#define CIN_PROGRAM_CHANGE 0x0C /* 2Bytes */ +#define CIN_CHANNEL_PRESSURE 0x0D /* 2Bytes */ +#define CIN_PITCH_WHEEL 0x0E /* 3Bytes */ +#define CIN_1BYTE 0x0F /* 1Bytes */ +//#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)) +#define CIN_IS_SYSEX(cin) ( ((cin) & ~(0x08)) && ((cin) &0x04) ) + +/* + * MIDI V1 message definitions these are from the MMA document + * http://www.midi.org/techspecs/midimessages.php + */ +#define MIDIv1_BAUD_RATE 31250 + +/* + * parse midi (v1) message macros + */ +#define MIDIv1_IS_STATUS(b) ((b) & 0x80) +#define MIDIv1_IS_VOICE(b) ((b) <= 0xEF) +#define MIDIv1_VOICE_COMMAND(b) ((b) & 0xF0) +#define MIDIv1_VOICE_CHANNEL(b) ((b) & 0x0F) +#define MIDIv1_IS_SYSCOMMON(b) (((b) >= 0xF0) & ((b) < 0xF8)) +#define MIDIv1_IS_REALTIME(b) ((b) >= 0xF8) + +/* + * Voice category messages + */ +#define MIDIv1_NOTE_OFF 0x80 /* 2 bytes data -- CIN_NOTE_OFF */ +#define MIDIv1_NOTE_ON 0x90 /* 2 bytes data -- CIN_NOTE_ON */ +#define MIDIv1_AFTER_TOUCH 0xA0 /* 2 bytes data -- CIN_AFTER_TOUCH */ +#define MIDIv1_CONTROL_CHANGE 0xB0 /* 2 bytes data -- CIN_CONTROL_CHANGE */ +#define MIDIv1_PROGRAM_CHANGE 0xC0 /* 1 byte data -- CIN_PROGRAM_CHANGE */ +#define MIDIv1_CHANNEL_PRESSURE 0xD0 /* 1 byte data -- CIN_CHANNEL_PRESSURE */ +#define MIDIv1_PITCH_WHEEL 0xE0 /* 2 bytes data -- CIN_PITCH_WHEEL */ + +/* + * System common category messages + */ +#define MIDIv1_SYSEX_START 0xF0 +#define MIDIv1_SYSEX_END 0xF7 +#define MIDIv1_MTC_QUARTER_FRAME 0xF1 /* 1 byte data -- CIN_2BYTE_SYS_COMMON */ +#define MIDIv1_SONG_POSITION_PTR 0xF2 /* 2 bytes data -- CIN_3BYTE_SYS_COMMON */ +#define MIDIv1_SONG_SELECT 0xF3 /* 1 byte data -- CIN_2BYTE_SYS_COMMON */ +#define MIDIv1_TUNE_REQUEST 0xF6 /* no data -- CIN_1BYTE */ + +/* + * Realtime category messages, can be sent anytime + */ +#define MIDIv1_CLOCK 0xF8 /* no data -- CIN_1BYTE */ +#define MIDIv1_TICK 0xF9 /* no data -- CIN_1BYTE */ +#define MIDIv1_START 0xFA /* no data -- CIN_1BYTE */ +#define MIDIv1_CONTINUE 0xFB /* no data -- CIN_1BYTE */ +#define MIDIv1_STOP 0xFC /* no data -- CIN_1BYTE */ +#define MIDIv1_ACTIVE_SENSE 0xFE /* no data -- CIN_1BYTE */ +#define MIDIv1_RESET 0xFF /* no data -- CIN_1BYTE */ + +#endif + + |