Squashed 'tmk_core/' changes from 7967731..b9e0ea0
b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk' 7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5 git-subtree-dir: tmk_core git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
This commit is contained in:
Jun Wako
parent
a20ef7052c
commit
1fe4406f37
4198 changed files with 2016457 additions and 0 deletions
276
tool/mbed/mbed-sdk/libraries/USBDevice/USBMIDI/MIDIMessage.h
Normal file
276
tool/mbed/mbed-sdk/libraries/USBDevice/USBMIDI/MIDIMessage.h
Normal file
|
|
@ -0,0 +1,276 @@
|
|||
/* Copyright (c) 2010-2011 mbed.org, MIT License
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef MIDIMESSAGE_H
|
||||
#define MIDIMESSAGE_H
|
||||
|
||||
#include "mbed.h"
|
||||
|
||||
#define MAX_MIDI_MESSAGE_SIZE 256 // Max message size. SysEx can be up to 65536 but 256 should be fine for most usage
|
||||
|
||||
// MIDI Message Format
|
||||
//
|
||||
// [ msg(4) | channel(4) ] [ 0 | n(7) ] [ 0 | m(7) ]
|
||||
//
|
||||
// MIDI Data Messages (Channel Specific)
|
||||
//
|
||||
// Message msg n m
|
||||
// ---------------------------------------------
|
||||
// Note Off 0x8 Key Velocity
|
||||
// Note On 0x9 Key Velocity
|
||||
// Polyphonic Aftertouch 0xA Key Pressure
|
||||
// Control Change 0xB Controller Value
|
||||
// Program Change 0xC Program -
|
||||
// Channel Aftertouch 0xD Pressure -
|
||||
// Pitch Wheel 0xE LSB MSB
|
||||
|
||||
#define CABLE_NUM (0<<4)
|
||||
|
||||
/** A MIDI message container */
|
||||
class MIDIMessage {
|
||||
public:
|
||||
MIDIMessage() : length(4) {}
|
||||
|
||||
MIDIMessage(uint8_t *buf) : length(4) {
|
||||
for (int i = 0; i < 4; i++)
|
||||
data[i] = buf[i];
|
||||
}
|
||||
|
||||
// New constructor, buf is a true MIDI message (not USBMidi message) and buf_len true message length.
|
||||
MIDIMessage(uint8_t *buf, int buf_len) {
|
||||
length=buf_len+1;
|
||||
// first byte keeped for retro-compatibility
|
||||
data[0]=0;
|
||||
|
||||
for (int i = 0; i < buf_len; i++)
|
||||
data[i+1] = buf[i];
|
||||
}
|
||||
|
||||
// create messages
|
||||
|
||||
/** Create a NoteOff message
|
||||
* @param key Key ID
|
||||
* @param velocity Key velocity (0-127, default = 127)
|
||||
* @param channel Key channel (0-15, default 0)
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage NoteOff(int key, int velocity = 127, int channel = 0) {
|
||||
MIDIMessage msg;
|
||||
msg.data[0] = CABLE_NUM | 0x08;
|
||||
msg.data[1] = 0x80 | (channel & 0x0F);
|
||||
msg.data[2] = key & 0x7F;
|
||||
msg.data[3] = velocity & 0x7F;
|
||||
return msg;
|
||||
}
|
||||
|
||||
/** Create a NoteOn message
|
||||
* @param key Key ID
|
||||
* @param velocity Key velocity (0-127, default = 127)
|
||||
* @param channel Key channel (0-15, default 0)
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage NoteOn(int key, int velocity = 127, int channel = 0) {
|
||||
MIDIMessage msg;
|
||||
msg.data[0] = CABLE_NUM | 0x09;
|
||||
msg.data[1] = 0x90 | (channel & 0x0F);
|
||||
msg.data[2] = key & 0x7F;
|
||||
msg.data[3] = velocity & 0x7F;
|
||||
return msg;
|
||||
}
|
||||
|
||||
/** Create a PolyPhonic Aftertouch message
|
||||
* @param key Key ID
|
||||
* @param pressure Aftertouch pressure (0-127)
|
||||
* @param channel Key channel (0-15, default 0)
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage PolyphonicAftertouch(int key, int pressure, int channel = 0) {
|
||||
MIDIMessage msg;
|
||||
msg.data[0] = CABLE_NUM | 0x0A;
|
||||
msg.data[1] = 0xA0 | (channel & 0x0F);
|
||||
msg.data[2] = key & 0x7F;
|
||||
msg.data[3] = pressure & 0x7F;
|
||||
return msg;
|
||||
}
|
||||
|
||||
/** Create a Control Change message
|
||||
* @param control Controller ID
|
||||
* @param value Controller value (0-127)
|
||||
* @param channel Controller channel (0-15, default 0)
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage ControlChange(int control, int value, int channel = 0) {
|
||||
MIDIMessage msg;
|
||||
msg.data[0] = CABLE_NUM | 0x0B;
|
||||
msg.data[1] = 0xB0 | (channel & 0x0F);
|
||||
msg.data[2] = control & 0x7F;
|
||||
msg.data[3] = value & 0x7F;
|
||||
return msg;
|
||||
}
|
||||
|
||||
/** Create a Program Change message
|
||||
* @param program Program ID
|
||||
* @param channel Channel (0-15, default 0)
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage ProgramChange(int program, int channel = 0) {
|
||||
MIDIMessage msg;
|
||||
msg.data[0] = CABLE_NUM | 0x0C;
|
||||
msg.data[1] = 0xC0 | (channel & 0x0F);
|
||||
msg.data[2] = program & 0x7F;
|
||||
msg.data[3] = 0x00;
|
||||
return msg;
|
||||
}
|
||||
|
||||
/** Create a Channel Aftertouch message
|
||||
* @param pressure Pressure
|
||||
* @param channel Key channel (0-15, default 0)
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage ChannelAftertouch(int pressure, int channel = 0) {
|
||||
MIDIMessage msg;
|
||||
msg.data[0] = CABLE_NUM | 0x0D;
|
||||
msg.data[1] = 0xD0 | (channel & 0x0F);
|
||||
msg.data[2] = pressure & 0x7F;
|
||||
msg.data[3] = 0x00;
|
||||
return msg;
|
||||
}
|
||||
|
||||
/** Create a Pitch Wheel message
|
||||
* @param pitch Pitch (-8192 - 8191, default = 0)
|
||||
* @param channel Channel (0-15, default 0)
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage PitchWheel(int pitch = 0, int channel = 0) {
|
||||
MIDIMessage msg;
|
||||
int p = pitch + 8192; // 0 - 16383, 8192 is center
|
||||
msg.data[0] = CABLE_NUM | 0x0E;
|
||||
msg.data[1] = 0xE0 | (channel & 0x0F);
|
||||
msg.data[2] = p & 0x7F;
|
||||
msg.data[3] = (p >> 7) & 0x7F;
|
||||
return msg;
|
||||
}
|
||||
|
||||
/** Create an All Notes Off message
|
||||
* @param channel Channel (0-15, default 0)
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage AllNotesOff(int channel = 0) {
|
||||
return ControlChange(123, 0, channel);
|
||||
}
|
||||
|
||||
/** Create a SysEx message
|
||||
* @param data SysEx data (including 0xF0 .. 0xF7)
|
||||
* @param len SysEx data length
|
||||
* @returns A MIDIMessage
|
||||
*/
|
||||
static MIDIMessage SysEx(uint8_t *data, int len) {
|
||||
MIDIMessage msg=MIDIMessage(data,len);
|
||||
return msg;
|
||||
}
|
||||
|
||||
// decode messages
|
||||
|
||||
/** MIDI Message Types */
|
||||
enum MIDIMessageType {
|
||||
ErrorType,
|
||||
NoteOffType,
|
||||
NoteOnType,
|
||||
PolyphonicAftertouchType,
|
||||
ControlChangeType,
|
||||
ProgramChangeType,
|
||||
ChannelAftertouchType,
|
||||
PitchWheelType,
|
||||
AllNotesOffType,
|
||||
SysExType
|
||||
};
|
||||
|
||||
/** Read the message type
|
||||
* @returns MIDIMessageType
|
||||
*/
|
||||
MIDIMessageType type() {
|
||||
switch((data[1] >> 4) & 0xF) {
|
||||
case 0x8: return NoteOffType;
|
||||
case 0x9: return NoteOnType;
|
||||
case 0xA: return PolyphonicAftertouchType;
|
||||
case 0xB:
|
||||
if(controller() < 120) { // standard controllers
|
||||
return ControlChangeType;
|
||||
} else if(controller() == 123) {
|
||||
return AllNotesOffType;
|
||||
} else {
|
||||
return ErrorType; // unsupported atm
|
||||
}
|
||||
case 0xC: return ProgramChangeType;
|
||||
case 0xD: return ChannelAftertouchType;
|
||||
case 0xE: return PitchWheelType;
|
||||
case 0xF: return SysExType;
|
||||
default: return ErrorType;
|
||||
}
|
||||
}
|
||||
|
||||
/** Read the channel number */
|
||||
int channel() {
|
||||
return (data[1] & 0x0F);
|
||||
}
|
||||
|
||||
/** Read the key ID */
|
||||
int key() {
|
||||
return (data[2] & 0x7F);
|
||||
}
|
||||
|
||||
/** Read the velocity */
|
||||
int velocity() {
|
||||
return (data[3] & 0x7F);
|
||||
}
|
||||
|
||||
/** Read the controller value */
|
||||
int value() {
|
||||
return (data[3] & 0x7F);
|
||||
}
|
||||
|
||||
/** Read the aftertouch pressure */
|
||||
int pressure() {
|
||||
if(type() == PolyphonicAftertouchType) {
|
||||
return (data[3] & 0x7F);
|
||||
} else {
|
||||
return (data[2] & 0x7F);
|
||||
}
|
||||
}
|
||||
|
||||
/** Read the controller number */
|
||||
int controller() {
|
||||
return (data[2] & 0x7F);
|
||||
}
|
||||
|
||||
/** Read the program number */
|
||||
int program() {
|
||||
return (data[2] & 0x7F);
|
||||
}
|
||||
|
||||
/** Read the pitch value */
|
||||
int pitch() {
|
||||
int p = ((data[3] & 0x7F) << 7) | (data[2] & 0x7F);
|
||||
return p - 8192; // 0 - 16383, 8192 is center
|
||||
}
|
||||
|
||||
uint8_t data[MAX_MIDI_MESSAGE_SIZE+1];
|
||||
uint8_t length;
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue