Ported from Arduino MIDI library Orignal: http://www.arduino.cc/playground/Main/MIDILibrary use Serial (UART)
Dependents: MIDI_sample MIDI_usb_bridge MIDI_Interpreter midi-timer ... more
MIDI.cpp@1:0eeca7deec08, 2013-01-08 (annotated)
- Committer:
- okini3939
- Date:
- Tue Jan 08 03:32:22 2013 +0000
- Revision:
- 1:0eeca7deec08
- Parent:
- 0:713ef38fead1
disable loopback
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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okini3939 | 0:713ef38fead1 | 1 | /*! |
okini3939 | 0:713ef38fead1 | 2 | * @file MIDI.cpp |
okini3939 | 0:713ef38fead1 | 3 | * Project MIDI Library |
okini3939 | 0:713ef38fead1 | 4 | * @brief MIDI Library for the Arduino |
okini3939 | 0:713ef38fead1 | 5 | * @version 3.2 |
okini3939 | 0:713ef38fead1 | 6 | * @author Francois Best |
okini3939 | 0:713ef38fead1 | 7 | * @date 24/02/11 |
okini3939 | 0:713ef38fead1 | 8 | * license GPL Forty Seven Effects - 2011 |
okini3939 | 0:713ef38fead1 | 9 | */ |
okini3939 | 0:713ef38fead1 | 10 | /* |
okini3939 | 0:713ef38fead1 | 11 | * Ported for mbed by Hiroshi Suga |
okini3939 | 0:713ef38fead1 | 12 | * Orignal: http://www.arduino.cc/playground/Main/MIDILibrary |
okini3939 | 0:713ef38fead1 | 13 | */ |
okini3939 | 0:713ef38fead1 | 14 | |
okini3939 | 0:713ef38fead1 | 15 | #include "MIDI.h" |
okini3939 | 0:713ef38fead1 | 16 | #include "mbed.h" |
okini3939 | 0:713ef38fead1 | 17 | |
okini3939 | 0:713ef38fead1 | 18 | |
okini3939 | 0:713ef38fead1 | 19 | |
okini3939 | 0:713ef38fead1 | 20 | /*! \brief Default constructor for MIDI. */ |
okini3939 | 0:713ef38fead1 | 21 | MIDI::MIDI(PinName p_tx, PinName p_rx) : _midi(p_tx, p_rx) |
okini3939 | 0:713ef38fead1 | 22 | { |
okini3939 | 0:713ef38fead1 | 23 | |
okini3939 | 0:713ef38fead1 | 24 | #if USE_CALLBACKS |
okini3939 | 0:713ef38fead1 | 25 | |
okini3939 | 0:713ef38fead1 | 26 | // Initialise callbacks to NULL pointer |
okini3939 | 0:713ef38fead1 | 27 | mNoteOffCallback = NULL; |
okini3939 | 0:713ef38fead1 | 28 | mNoteOnCallback = NULL; |
okini3939 | 0:713ef38fead1 | 29 | mAfterTouchPolyCallback = NULL; |
okini3939 | 0:713ef38fead1 | 30 | mControlChangeCallback = NULL; |
okini3939 | 0:713ef38fead1 | 31 | mProgramChangeCallback = NULL; |
okini3939 | 0:713ef38fead1 | 32 | mAfterTouchChannelCallback = NULL; |
okini3939 | 0:713ef38fead1 | 33 | mPitchBendCallback = NULL; |
okini3939 | 0:713ef38fead1 | 34 | mSystemExclusiveCallback = NULL; |
okini3939 | 0:713ef38fead1 | 35 | mTimeCodeQuarterFrameCallback = NULL; |
okini3939 | 0:713ef38fead1 | 36 | mSongPositionCallback = NULL; |
okini3939 | 0:713ef38fead1 | 37 | mSongSelectCallback = NULL; |
okini3939 | 0:713ef38fead1 | 38 | mTuneRequestCallback = NULL; |
okini3939 | 0:713ef38fead1 | 39 | mClockCallback = NULL; |
okini3939 | 0:713ef38fead1 | 40 | mStartCallback = NULL; |
okini3939 | 0:713ef38fead1 | 41 | mContinueCallback = NULL; |
okini3939 | 0:713ef38fead1 | 42 | mStopCallback = NULL; |
okini3939 | 0:713ef38fead1 | 43 | mActiveSensingCallback = NULL; |
okini3939 | 0:713ef38fead1 | 44 | mSystemResetCallback = NULL; |
okini3939 | 0:713ef38fead1 | 45 | |
okini3939 | 0:713ef38fead1 | 46 | #endif |
okini3939 | 0:713ef38fead1 | 47 | |
okini3939 | 0:713ef38fead1 | 48 | } |
okini3939 | 0:713ef38fead1 | 49 | |
okini3939 | 0:713ef38fead1 | 50 | |
okini3939 | 0:713ef38fead1 | 51 | /*! \brief Default destructor for MIDI. |
okini3939 | 0:713ef38fead1 | 52 | |
okini3939 | 0:713ef38fead1 | 53 | This is not really useful for the Arduino, as it is never called... |
okini3939 | 0:713ef38fead1 | 54 | */ |
okini3939 | 0:713ef38fead1 | 55 | MIDI::~MIDI() |
okini3939 | 0:713ef38fead1 | 56 | { |
okini3939 | 0:713ef38fead1 | 57 | |
okini3939 | 0:713ef38fead1 | 58 | } |
okini3939 | 0:713ef38fead1 | 59 | |
okini3939 | 0:713ef38fead1 | 60 | |
okini3939 | 0:713ef38fead1 | 61 | /*! \brief Call the begin method in the setup() function of the Arduino. |
okini3939 | 0:713ef38fead1 | 62 | |
okini3939 | 0:713ef38fead1 | 63 | All parameters are set to their default values: |
okini3939 | 0:713ef38fead1 | 64 | - Input channel set to 1 if no value is specified |
okini3939 | 0:713ef38fead1 | 65 | - Full thru mirroring |
okini3939 | 0:713ef38fead1 | 66 | */ |
okini3939 | 0:713ef38fead1 | 67 | void MIDI::begin(const byte inChannel) |
okini3939 | 0:713ef38fead1 | 68 | { |
okini3939 | 0:713ef38fead1 | 69 | |
okini3939 | 0:713ef38fead1 | 70 | // Initialise the Serial port |
okini3939 | 0:713ef38fead1 | 71 | USE_SERIAL_PORT.baud(MIDI_BAUDRATE); |
okini3939 | 0:713ef38fead1 | 72 | |
okini3939 | 0:713ef38fead1 | 73 | |
okini3939 | 0:713ef38fead1 | 74 | #if COMPILE_MIDI_OUT |
okini3939 | 0:713ef38fead1 | 75 | |
okini3939 | 0:713ef38fead1 | 76 | #if USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 77 | |
okini3939 | 0:713ef38fead1 | 78 | mRunningStatus_TX = InvalidType; |
okini3939 | 0:713ef38fead1 | 79 | |
okini3939 | 0:713ef38fead1 | 80 | #endif // USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 81 | |
okini3939 | 0:713ef38fead1 | 82 | #endif // COMPILE_MIDI_OUT |
okini3939 | 0:713ef38fead1 | 83 | |
okini3939 | 0:713ef38fead1 | 84 | |
okini3939 | 0:713ef38fead1 | 85 | #if COMPILE_MIDI_IN |
okini3939 | 0:713ef38fead1 | 86 | |
okini3939 | 0:713ef38fead1 | 87 | mInputChannel = inChannel; |
okini3939 | 0:713ef38fead1 | 88 | mRunningStatus_RX = InvalidType; |
okini3939 | 0:713ef38fead1 | 89 | mPendingMessageIndex = 0; |
okini3939 | 0:713ef38fead1 | 90 | mPendingMessageExpectedLenght = 0; |
okini3939 | 0:713ef38fead1 | 91 | |
okini3939 | 0:713ef38fead1 | 92 | mMessage.valid = false; |
okini3939 | 0:713ef38fead1 | 93 | mMessage.type = InvalidType; |
okini3939 | 0:713ef38fead1 | 94 | mMessage.channel = 0; |
okini3939 | 0:713ef38fead1 | 95 | mMessage.data1 = 0; |
okini3939 | 0:713ef38fead1 | 96 | mMessage.data2 = 0; |
okini3939 | 0:713ef38fead1 | 97 | |
okini3939 | 0:713ef38fead1 | 98 | #endif // COMPILE_MIDI_IN |
okini3939 | 0:713ef38fead1 | 99 | |
okini3939 | 0:713ef38fead1 | 100 | |
okini3939 | 0:713ef38fead1 | 101 | #if (COMPILE_MIDI_IN && COMPILE_MIDI_OUT && COMPILE_MIDI_THRU) // Thru |
okini3939 | 0:713ef38fead1 | 102 | |
okini3939 | 0:713ef38fead1 | 103 | mThruFilterMode = Full; |
okini3939 | 0:713ef38fead1 | 104 | mThruActivated = true; |
okini3939 | 0:713ef38fead1 | 105 | |
okini3939 | 0:713ef38fead1 | 106 | #endif // Thru |
okini3939 | 0:713ef38fead1 | 107 | |
okini3939 | 0:713ef38fead1 | 108 | } |
okini3939 | 0:713ef38fead1 | 109 | |
okini3939 | 0:713ef38fead1 | 110 | |
okini3939 | 0:713ef38fead1 | 111 | #if COMPILE_MIDI_OUT |
okini3939 | 0:713ef38fead1 | 112 | |
okini3939 | 0:713ef38fead1 | 113 | // Private method for generating a status byte from channel and type |
okini3939 | 0:713ef38fead1 | 114 | byte MIDI::genstatus(const kMIDIType inType, |
okini3939 | 0:713ef38fead1 | 115 | const byte inChannel) const |
okini3939 | 0:713ef38fead1 | 116 | { |
okini3939 | 0:713ef38fead1 | 117 | |
okini3939 | 0:713ef38fead1 | 118 | return ((byte)inType | ((inChannel-1) & 0x0F)); |
okini3939 | 0:713ef38fead1 | 119 | |
okini3939 | 0:713ef38fead1 | 120 | } |
okini3939 | 0:713ef38fead1 | 121 | |
okini3939 | 0:713ef38fead1 | 122 | |
okini3939 | 0:713ef38fead1 | 123 | /*! \brief Generate and send a MIDI message from the values given. |
okini3939 | 0:713ef38fead1 | 124 | \param type The message type (see type defines for reference) |
okini3939 | 0:713ef38fead1 | 125 | \param data1 The first data byte. |
okini3939 | 0:713ef38fead1 | 126 | \param data2 The second data byte (if the message contains only 1 data byte, set this one to 0). |
okini3939 | 0:713ef38fead1 | 127 | \param channel The output channel on which the message will be sent (values from 1 to 16). Note: you cannot send to OMNI. |
okini3939 | 0:713ef38fead1 | 128 | |
okini3939 | 0:713ef38fead1 | 129 | This is an internal method, use it only if you need to send raw data from your code, at your own risks. |
okini3939 | 0:713ef38fead1 | 130 | */ |
okini3939 | 0:713ef38fead1 | 131 | void MIDI::send(kMIDIType type, |
okini3939 | 0:713ef38fead1 | 132 | byte data1, |
okini3939 | 0:713ef38fead1 | 133 | byte data2, |
okini3939 | 0:713ef38fead1 | 134 | byte channel) |
okini3939 | 0:713ef38fead1 | 135 | { |
okini3939 | 0:713ef38fead1 | 136 | |
okini3939 | 0:713ef38fead1 | 137 | // Then test if channel is valid |
okini3939 | 0:713ef38fead1 | 138 | if (channel >= MIDI_CHANNEL_OFF || channel == MIDI_CHANNEL_OMNI || type < NoteOff) { |
okini3939 | 0:713ef38fead1 | 139 | |
okini3939 | 0:713ef38fead1 | 140 | #if USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 141 | mRunningStatus_TX = InvalidType; |
okini3939 | 0:713ef38fead1 | 142 | #endif |
okini3939 | 0:713ef38fead1 | 143 | |
okini3939 | 0:713ef38fead1 | 144 | return; // Don't send anything |
okini3939 | 0:713ef38fead1 | 145 | } |
okini3939 | 0:713ef38fead1 | 146 | |
okini3939 | 0:713ef38fead1 | 147 | if (type <= PitchBend) { |
okini3939 | 0:713ef38fead1 | 148 | // Channel messages |
okini3939 | 0:713ef38fead1 | 149 | |
okini3939 | 0:713ef38fead1 | 150 | // Protection: remove MSBs on data |
okini3939 | 0:713ef38fead1 | 151 | data1 &= 0x7F; |
okini3939 | 0:713ef38fead1 | 152 | data2 &= 0x7F; |
okini3939 | 0:713ef38fead1 | 153 | |
okini3939 | 0:713ef38fead1 | 154 | byte statusbyte = genstatus(type,channel); |
okini3939 | 0:713ef38fead1 | 155 | |
okini3939 | 0:713ef38fead1 | 156 | #if USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 157 | // Check Running Status |
okini3939 | 0:713ef38fead1 | 158 | if (mRunningStatus_TX != statusbyte) { |
okini3939 | 0:713ef38fead1 | 159 | // New message, memorise and send header |
okini3939 | 0:713ef38fead1 | 160 | mRunningStatus_TX = statusbyte; |
okini3939 | 0:713ef38fead1 | 161 | USE_SERIAL_PORT.putc(mRunningStatus_TX); |
okini3939 | 0:713ef38fead1 | 162 | } |
okini3939 | 0:713ef38fead1 | 163 | #else |
okini3939 | 0:713ef38fead1 | 164 | // Don't care about running status, send the Control byte. |
okini3939 | 0:713ef38fead1 | 165 | USE_SERIAL_PORT.putc(statusbyte); |
okini3939 | 0:713ef38fead1 | 166 | #endif |
okini3939 | 0:713ef38fead1 | 167 | |
okini3939 | 0:713ef38fead1 | 168 | // Then send data |
okini3939 | 0:713ef38fead1 | 169 | USE_SERIAL_PORT.putc(data1); |
okini3939 | 0:713ef38fead1 | 170 | if (type != ProgramChange && type != AfterTouchChannel) { |
okini3939 | 0:713ef38fead1 | 171 | USE_SERIAL_PORT.putc(data2); |
okini3939 | 0:713ef38fead1 | 172 | } |
okini3939 | 0:713ef38fead1 | 173 | return; |
okini3939 | 0:713ef38fead1 | 174 | } |
okini3939 | 0:713ef38fead1 | 175 | if (type >= TuneRequest && type <= SystemReset) { |
okini3939 | 0:713ef38fead1 | 176 | // System Real-time and 1 byte. |
okini3939 | 0:713ef38fead1 | 177 | sendRealTime(type); |
okini3939 | 0:713ef38fead1 | 178 | } |
okini3939 | 0:713ef38fead1 | 179 | |
okini3939 | 0:713ef38fead1 | 180 | } |
okini3939 | 0:713ef38fead1 | 181 | |
okini3939 | 0:713ef38fead1 | 182 | |
okini3939 | 0:713ef38fead1 | 183 | /*! \brief Send a Note On message |
okini3939 | 0:713ef38fead1 | 184 | \param NoteNumber Pitch value in the MIDI format (0 to 127). Take a look at the values, names and frequencies of notes here: http://www.phys.unsw.edu.au/jw/notes.html\n |
okini3939 | 0:713ef38fead1 | 185 | \param Velocity Note attack velocity (0 to 127). A NoteOn with 0 velocity is considered as a NoteOff. |
okini3939 | 0:713ef38fead1 | 186 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 187 | */ |
okini3939 | 0:713ef38fead1 | 188 | void MIDI::sendNoteOn(byte NoteNumber, |
okini3939 | 0:713ef38fead1 | 189 | byte Velocity, |
okini3939 | 0:713ef38fead1 | 190 | byte Channel) |
okini3939 | 0:713ef38fead1 | 191 | { |
okini3939 | 0:713ef38fead1 | 192 | |
okini3939 | 0:713ef38fead1 | 193 | send(NoteOn,NoteNumber,Velocity,Channel); |
okini3939 | 0:713ef38fead1 | 194 | |
okini3939 | 0:713ef38fead1 | 195 | } |
okini3939 | 0:713ef38fead1 | 196 | |
okini3939 | 0:713ef38fead1 | 197 | |
okini3939 | 0:713ef38fead1 | 198 | /*! \brief Send a Note Off message (a real Note Off, not a Note On with null velocity) |
okini3939 | 0:713ef38fead1 | 199 | \param NoteNumber Pitch value in the MIDI format (0 to 127). Take a look at the values, names and frequencies of notes here: http://www.phys.unsw.edu.au/jw/notes.html\n |
okini3939 | 0:713ef38fead1 | 200 | \param Velocity Release velocity (0 to 127). |
okini3939 | 0:713ef38fead1 | 201 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 202 | */ |
okini3939 | 0:713ef38fead1 | 203 | void MIDI::sendNoteOff(byte NoteNumber, |
okini3939 | 0:713ef38fead1 | 204 | byte Velocity, |
okini3939 | 0:713ef38fead1 | 205 | byte Channel) |
okini3939 | 0:713ef38fead1 | 206 | { |
okini3939 | 0:713ef38fead1 | 207 | |
okini3939 | 0:713ef38fead1 | 208 | send(NoteOff,NoteNumber,Velocity,Channel); |
okini3939 | 0:713ef38fead1 | 209 | |
okini3939 | 0:713ef38fead1 | 210 | } |
okini3939 | 0:713ef38fead1 | 211 | |
okini3939 | 0:713ef38fead1 | 212 | |
okini3939 | 0:713ef38fead1 | 213 | /*! \brief Send a Program Change message |
okini3939 | 0:713ef38fead1 | 214 | \param ProgramNumber The Program to select (0 to 127). |
okini3939 | 0:713ef38fead1 | 215 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 216 | */ |
okini3939 | 0:713ef38fead1 | 217 | void MIDI::sendProgramChange(byte ProgramNumber, |
okini3939 | 0:713ef38fead1 | 218 | byte Channel) |
okini3939 | 0:713ef38fead1 | 219 | { |
okini3939 | 0:713ef38fead1 | 220 | |
okini3939 | 0:713ef38fead1 | 221 | send(ProgramChange,ProgramNumber,0,Channel); |
okini3939 | 0:713ef38fead1 | 222 | |
okini3939 | 0:713ef38fead1 | 223 | } |
okini3939 | 0:713ef38fead1 | 224 | |
okini3939 | 0:713ef38fead1 | 225 | |
okini3939 | 0:713ef38fead1 | 226 | /*! \brief Send a Control Change message |
okini3939 | 0:713ef38fead1 | 227 | \param ControlNumber The controller number (0 to 127). See the detailed description here: http://www.somascape.org/midi/tech/spec.html#ctrlnums |
okini3939 | 0:713ef38fead1 | 228 | \param ControlValue The value for the specified controller (0 to 127). |
okini3939 | 0:713ef38fead1 | 229 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 230 | */ |
okini3939 | 0:713ef38fead1 | 231 | void MIDI::sendControlChange(byte ControlNumber, |
okini3939 | 0:713ef38fead1 | 232 | byte ControlValue, |
okini3939 | 0:713ef38fead1 | 233 | byte Channel) |
okini3939 | 0:713ef38fead1 | 234 | { |
okini3939 | 0:713ef38fead1 | 235 | |
okini3939 | 0:713ef38fead1 | 236 | send(ControlChange,ControlNumber,ControlValue,Channel); |
okini3939 | 0:713ef38fead1 | 237 | |
okini3939 | 0:713ef38fead1 | 238 | } |
okini3939 | 0:713ef38fead1 | 239 | |
okini3939 | 0:713ef38fead1 | 240 | |
okini3939 | 0:713ef38fead1 | 241 | /*! \brief Send a Polyphonic AfterTouch message (applies to only one specified note) |
okini3939 | 0:713ef38fead1 | 242 | \param NoteNumber The note to apply AfterTouch to (0 to 127). |
okini3939 | 0:713ef38fead1 | 243 | \param Pressure The amount of AfterTouch to apply (0 to 127). |
okini3939 | 0:713ef38fead1 | 244 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 245 | */ |
okini3939 | 0:713ef38fead1 | 246 | void MIDI::sendPolyPressure(byte NoteNumber, |
okini3939 | 0:713ef38fead1 | 247 | byte Pressure, |
okini3939 | 0:713ef38fead1 | 248 | byte Channel) |
okini3939 | 0:713ef38fead1 | 249 | { |
okini3939 | 0:713ef38fead1 | 250 | |
okini3939 | 0:713ef38fead1 | 251 | send(AfterTouchPoly,NoteNumber,Pressure,Channel); |
okini3939 | 0:713ef38fead1 | 252 | |
okini3939 | 0:713ef38fead1 | 253 | } |
okini3939 | 0:713ef38fead1 | 254 | |
okini3939 | 0:713ef38fead1 | 255 | |
okini3939 | 0:713ef38fead1 | 256 | /*! \brief Send a MonoPhonic AfterTouch message (applies to all notes) |
okini3939 | 0:713ef38fead1 | 257 | \param Pressure The amount of AfterTouch to apply to all notes. |
okini3939 | 0:713ef38fead1 | 258 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 259 | */ |
okini3939 | 0:713ef38fead1 | 260 | void MIDI::sendAfterTouch(byte Pressure, |
okini3939 | 0:713ef38fead1 | 261 | byte Channel) |
okini3939 | 0:713ef38fead1 | 262 | { |
okini3939 | 0:713ef38fead1 | 263 | |
okini3939 | 0:713ef38fead1 | 264 | send(AfterTouchChannel,Pressure,0,Channel); |
okini3939 | 0:713ef38fead1 | 265 | |
okini3939 | 0:713ef38fead1 | 266 | } |
okini3939 | 0:713ef38fead1 | 267 | |
okini3939 | 0:713ef38fead1 | 268 | |
okini3939 | 0:713ef38fead1 | 269 | /*! \brief Send a Pitch Bend message using a signed integer value. |
okini3939 | 0:713ef38fead1 | 270 | \param PitchValue The amount of bend to send (in a signed integer format), between -8192 (maximum downwards bend) and 8191 (max upwards bend), center value is 0. |
okini3939 | 0:713ef38fead1 | 271 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 272 | */ |
okini3939 | 0:713ef38fead1 | 273 | void MIDI::sendPitchBend(int PitchValue, |
okini3939 | 0:713ef38fead1 | 274 | byte Channel) |
okini3939 | 0:713ef38fead1 | 275 | { |
okini3939 | 0:713ef38fead1 | 276 | |
okini3939 | 0:713ef38fead1 | 277 | unsigned int bend = PitchValue + 8192; |
okini3939 | 0:713ef38fead1 | 278 | sendPitchBend(bend,Channel); |
okini3939 | 0:713ef38fead1 | 279 | |
okini3939 | 0:713ef38fead1 | 280 | } |
okini3939 | 0:713ef38fead1 | 281 | |
okini3939 | 0:713ef38fead1 | 282 | |
okini3939 | 0:713ef38fead1 | 283 | /*! \brief Send a Pitch Bend message using an unsigned integer value. |
okini3939 | 0:713ef38fead1 | 284 | \param PitchValue The amount of bend to send (in a signed integer format), between 0 (maximum downwards bend) and 16383 (max upwards bend), center value is 8192. |
okini3939 | 0:713ef38fead1 | 285 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 286 | */ |
okini3939 | 0:713ef38fead1 | 287 | void MIDI::sendPitchBend(unsigned int PitchValue, |
okini3939 | 0:713ef38fead1 | 288 | byte Channel) |
okini3939 | 0:713ef38fead1 | 289 | { |
okini3939 | 0:713ef38fead1 | 290 | |
okini3939 | 0:713ef38fead1 | 291 | send(PitchBend,(PitchValue & 0x7F),(PitchValue >> 7) & 0x7F,Channel); |
okini3939 | 0:713ef38fead1 | 292 | |
okini3939 | 0:713ef38fead1 | 293 | } |
okini3939 | 0:713ef38fead1 | 294 | |
okini3939 | 0:713ef38fead1 | 295 | |
okini3939 | 0:713ef38fead1 | 296 | /*! \brief Send a Pitch Bend message using a floating point value. |
okini3939 | 0:713ef38fead1 | 297 | \param PitchValue The amount of bend to send (in a floating point format), between -1.0f (maximum downwards bend) and +1.0f (max upwards bend), center value is 0.0f. |
okini3939 | 0:713ef38fead1 | 298 | \param Channel The channel on which the message will be sent (1 to 16). |
okini3939 | 0:713ef38fead1 | 299 | */ |
okini3939 | 0:713ef38fead1 | 300 | void MIDI::sendPitchBend(double PitchValue, |
okini3939 | 0:713ef38fead1 | 301 | byte Channel) |
okini3939 | 0:713ef38fead1 | 302 | { |
okini3939 | 0:713ef38fead1 | 303 | |
okini3939 | 0:713ef38fead1 | 304 | unsigned int pitchval = (PitchValue+1.f)*8192; |
okini3939 | 0:713ef38fead1 | 305 | if (pitchval > 16383) pitchval = 16383; // overflow protection |
okini3939 | 0:713ef38fead1 | 306 | sendPitchBend(pitchval,Channel); |
okini3939 | 0:713ef38fead1 | 307 | |
okini3939 | 0:713ef38fead1 | 308 | } |
okini3939 | 0:713ef38fead1 | 309 | |
okini3939 | 0:713ef38fead1 | 310 | |
okini3939 | 0:713ef38fead1 | 311 | /*! \brief Generate and send a System Exclusive frame. |
okini3939 | 0:713ef38fead1 | 312 | \param length The size of the array to send |
okini3939 | 0:713ef38fead1 | 313 | \param array The byte array containing the data to send |
okini3939 | 0:713ef38fead1 | 314 | \param ArrayContainsBoundaries When set to 'true', 0xF0 & 0xF7 bytes (start & stop SysEx) will NOT be sent (and therefore must be included in the array). |
okini3939 | 0:713ef38fead1 | 315 | default value is set to 'false' for compatibility with previous versions of the library. |
okini3939 | 0:713ef38fead1 | 316 | */ |
okini3939 | 0:713ef38fead1 | 317 | void MIDI::sendSysEx(int length, |
okini3939 | 0:713ef38fead1 | 318 | const byte *const array, |
okini3939 | 0:713ef38fead1 | 319 | bool ArrayContainsBoundaries) |
okini3939 | 0:713ef38fead1 | 320 | { |
okini3939 | 0:713ef38fead1 | 321 | |
okini3939 | 0:713ef38fead1 | 322 | if (ArrayContainsBoundaries == false) { |
okini3939 | 0:713ef38fead1 | 323 | |
okini3939 | 0:713ef38fead1 | 324 | USE_SERIAL_PORT.putc(0xF0); |
okini3939 | 0:713ef38fead1 | 325 | |
okini3939 | 0:713ef38fead1 | 326 | for (int i=0;i<length;++i) { |
okini3939 | 0:713ef38fead1 | 327 | |
okini3939 | 0:713ef38fead1 | 328 | USE_SERIAL_PORT.putc(array[i]); |
okini3939 | 0:713ef38fead1 | 329 | |
okini3939 | 0:713ef38fead1 | 330 | } |
okini3939 | 0:713ef38fead1 | 331 | |
okini3939 | 0:713ef38fead1 | 332 | USE_SERIAL_PORT.putc(0xF7); |
okini3939 | 0:713ef38fead1 | 333 | |
okini3939 | 0:713ef38fead1 | 334 | } |
okini3939 | 0:713ef38fead1 | 335 | else { |
okini3939 | 0:713ef38fead1 | 336 | |
okini3939 | 0:713ef38fead1 | 337 | for (int i=0;i<length;++i) { |
okini3939 | 0:713ef38fead1 | 338 | |
okini3939 | 0:713ef38fead1 | 339 | USE_SERIAL_PORT.putc(array[i]); |
okini3939 | 0:713ef38fead1 | 340 | |
okini3939 | 0:713ef38fead1 | 341 | } |
okini3939 | 0:713ef38fead1 | 342 | |
okini3939 | 0:713ef38fead1 | 343 | } |
okini3939 | 0:713ef38fead1 | 344 | |
okini3939 | 0:713ef38fead1 | 345 | #if USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 346 | mRunningStatus_TX = InvalidType; |
okini3939 | 0:713ef38fead1 | 347 | #endif |
okini3939 | 0:713ef38fead1 | 348 | |
okini3939 | 0:713ef38fead1 | 349 | } |
okini3939 | 0:713ef38fead1 | 350 | |
okini3939 | 0:713ef38fead1 | 351 | |
okini3939 | 0:713ef38fead1 | 352 | /*! \brief Send a Tune Request message. |
okini3939 | 0:713ef38fead1 | 353 | |
okini3939 | 0:713ef38fead1 | 354 | When a MIDI unit receives this message, it should tune its oscillators (if equipped with any) |
okini3939 | 0:713ef38fead1 | 355 | */ |
okini3939 | 0:713ef38fead1 | 356 | void MIDI::sendTuneRequest() |
okini3939 | 0:713ef38fead1 | 357 | { |
okini3939 | 0:713ef38fead1 | 358 | |
okini3939 | 0:713ef38fead1 | 359 | sendRealTime(TuneRequest); |
okini3939 | 0:713ef38fead1 | 360 | |
okini3939 | 0:713ef38fead1 | 361 | } |
okini3939 | 0:713ef38fead1 | 362 | |
okini3939 | 0:713ef38fead1 | 363 | |
okini3939 | 0:713ef38fead1 | 364 | /*! \brief Send a MIDI Time Code Quarter Frame. |
okini3939 | 0:713ef38fead1 | 365 | |
okini3939 | 0:713ef38fead1 | 366 | See MIDI Specification for more information. |
okini3939 | 0:713ef38fead1 | 367 | \param TypeNibble MTC type |
okini3939 | 0:713ef38fead1 | 368 | \param ValuesNibble MTC data |
okini3939 | 0:713ef38fead1 | 369 | */ |
okini3939 | 0:713ef38fead1 | 370 | void MIDI::sendTimeCodeQuarterFrame(byte TypeNibble, byte ValuesNibble) |
okini3939 | 0:713ef38fead1 | 371 | { |
okini3939 | 0:713ef38fead1 | 372 | |
okini3939 | 0:713ef38fead1 | 373 | byte data = ( ((TypeNibble & 0x07) << 4) | (ValuesNibble & 0x0F) ); |
okini3939 | 0:713ef38fead1 | 374 | sendTimeCodeQuarterFrame(data); |
okini3939 | 0:713ef38fead1 | 375 | |
okini3939 | 0:713ef38fead1 | 376 | } |
okini3939 | 0:713ef38fead1 | 377 | |
okini3939 | 0:713ef38fead1 | 378 | |
okini3939 | 0:713ef38fead1 | 379 | /*! \brief Send a MIDI Time Code Quarter Frame. |
okini3939 | 0:713ef38fead1 | 380 | |
okini3939 | 0:713ef38fead1 | 381 | See MIDI Specification for more information. |
okini3939 | 0:713ef38fead1 | 382 | \param data if you want to encode directly the nibbles in your program, you can send the byte here. |
okini3939 | 0:713ef38fead1 | 383 | */ |
okini3939 | 0:713ef38fead1 | 384 | void MIDI::sendTimeCodeQuarterFrame(byte data) |
okini3939 | 0:713ef38fead1 | 385 | { |
okini3939 | 0:713ef38fead1 | 386 | |
okini3939 | 0:713ef38fead1 | 387 | USE_SERIAL_PORT.putc((byte)TimeCodeQuarterFrame); |
okini3939 | 0:713ef38fead1 | 388 | USE_SERIAL_PORT.putc(data); |
okini3939 | 0:713ef38fead1 | 389 | |
okini3939 | 0:713ef38fead1 | 390 | #if USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 391 | mRunningStatus_TX = InvalidType; |
okini3939 | 0:713ef38fead1 | 392 | #endif |
okini3939 | 0:713ef38fead1 | 393 | |
okini3939 | 0:713ef38fead1 | 394 | } |
okini3939 | 0:713ef38fead1 | 395 | |
okini3939 | 0:713ef38fead1 | 396 | |
okini3939 | 0:713ef38fead1 | 397 | /*! \brief Send a Song Position Pointer message. |
okini3939 | 0:713ef38fead1 | 398 | \param Beats The number of beats since the start of the song. |
okini3939 | 0:713ef38fead1 | 399 | */ |
okini3939 | 0:713ef38fead1 | 400 | void MIDI::sendSongPosition(unsigned int Beats) |
okini3939 | 0:713ef38fead1 | 401 | { |
okini3939 | 0:713ef38fead1 | 402 | |
okini3939 | 0:713ef38fead1 | 403 | USE_SERIAL_PORT.putc((byte)SongPosition); |
okini3939 | 0:713ef38fead1 | 404 | USE_SERIAL_PORT.putc(Beats & 0x7F); |
okini3939 | 0:713ef38fead1 | 405 | USE_SERIAL_PORT.putc((Beats >> 7) & 0x7F); |
okini3939 | 0:713ef38fead1 | 406 | |
okini3939 | 0:713ef38fead1 | 407 | #if USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 408 | mRunningStatus_TX = InvalidType; |
okini3939 | 0:713ef38fead1 | 409 | #endif |
okini3939 | 0:713ef38fead1 | 410 | |
okini3939 | 0:713ef38fead1 | 411 | } |
okini3939 | 0:713ef38fead1 | 412 | |
okini3939 | 0:713ef38fead1 | 413 | |
okini3939 | 0:713ef38fead1 | 414 | /*! \brief Send a Song Select message */ |
okini3939 | 0:713ef38fead1 | 415 | void MIDI::sendSongSelect(byte SongNumber) |
okini3939 | 0:713ef38fead1 | 416 | { |
okini3939 | 0:713ef38fead1 | 417 | |
okini3939 | 0:713ef38fead1 | 418 | USE_SERIAL_PORT.putc((byte)SongSelect); |
okini3939 | 0:713ef38fead1 | 419 | USE_SERIAL_PORT.putc(SongNumber & 0x7F); |
okini3939 | 0:713ef38fead1 | 420 | |
okini3939 | 0:713ef38fead1 | 421 | #if USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 422 | mRunningStatus_TX = InvalidType; |
okini3939 | 0:713ef38fead1 | 423 | #endif |
okini3939 | 0:713ef38fead1 | 424 | |
okini3939 | 0:713ef38fead1 | 425 | } |
okini3939 | 0:713ef38fead1 | 426 | |
okini3939 | 0:713ef38fead1 | 427 | |
okini3939 | 0:713ef38fead1 | 428 | /*! \brief Send a Real Time (one byte) message. |
okini3939 | 0:713ef38fead1 | 429 | |
okini3939 | 0:713ef38fead1 | 430 | \param Type The available Real Time types are: Start, Stop, Continue, Clock, ActiveSensing and SystemReset. |
okini3939 | 0:713ef38fead1 | 431 | You can also send a Tune Request with this method. |
okini3939 | 0:713ef38fead1 | 432 | @see kMIDIType |
okini3939 | 0:713ef38fead1 | 433 | */ |
okini3939 | 0:713ef38fead1 | 434 | void MIDI::sendRealTime(kMIDIType Type) |
okini3939 | 0:713ef38fead1 | 435 | { |
okini3939 | 0:713ef38fead1 | 436 | switch (Type) { |
okini3939 | 0:713ef38fead1 | 437 | case TuneRequest: // Not really real-time, but one byte anyway. |
okini3939 | 0:713ef38fead1 | 438 | case Clock: |
okini3939 | 0:713ef38fead1 | 439 | case Start: |
okini3939 | 0:713ef38fead1 | 440 | case Stop: |
okini3939 | 0:713ef38fead1 | 441 | case Continue: |
okini3939 | 0:713ef38fead1 | 442 | case ActiveSensing: |
okini3939 | 0:713ef38fead1 | 443 | case SystemReset: |
okini3939 | 0:713ef38fead1 | 444 | USE_SERIAL_PORT.putc((byte)Type); |
okini3939 | 0:713ef38fead1 | 445 | break; |
okini3939 | 0:713ef38fead1 | 446 | default: |
okini3939 | 0:713ef38fead1 | 447 | // Invalid Real Time marker |
okini3939 | 0:713ef38fead1 | 448 | break; |
okini3939 | 0:713ef38fead1 | 449 | } |
okini3939 | 0:713ef38fead1 | 450 | |
okini3939 | 0:713ef38fead1 | 451 | // Do not cancel Running Status for real-time messages as they can be interleaved within any message. |
okini3939 | 0:713ef38fead1 | 452 | // Though, TuneRequest can be sent here, and as it is a System Common message, it must reset Running Status. |
okini3939 | 0:713ef38fead1 | 453 | #if USE_RUNNING_STATUS |
okini3939 | 0:713ef38fead1 | 454 | if (Type == TuneRequest) mRunningStatus_TX = InvalidType; |
okini3939 | 0:713ef38fead1 | 455 | #endif |
okini3939 | 0:713ef38fead1 | 456 | |
okini3939 | 0:713ef38fead1 | 457 | } |
okini3939 | 0:713ef38fead1 | 458 | |
okini3939 | 0:713ef38fead1 | 459 | #endif // COMPILE_MIDI_OUT |
okini3939 | 0:713ef38fead1 | 460 | |
okini3939 | 0:713ef38fead1 | 461 | |
okini3939 | 0:713ef38fead1 | 462 | |
okini3939 | 0:713ef38fead1 | 463 | #if COMPILE_MIDI_IN |
okini3939 | 0:713ef38fead1 | 464 | |
okini3939 | 0:713ef38fead1 | 465 | /*! \brief Read a MIDI message from the serial port using the main input channel (see setInputChannel() for reference). |
okini3939 | 0:713ef38fead1 | 466 | |
okini3939 | 0:713ef38fead1 | 467 | Returned value: true if any valid message has been stored in the structure, false if not. |
okini3939 | 0:713ef38fead1 | 468 | A valid message is a message that matches the input channel. \n\n |
okini3939 | 0:713ef38fead1 | 469 | If the Thru is enabled and the messages matches the filter, it is sent back on the MIDI output. |
okini3939 | 0:713ef38fead1 | 470 | */ |
okini3939 | 0:713ef38fead1 | 471 | bool MIDI::read() |
okini3939 | 0:713ef38fead1 | 472 | { |
okini3939 | 0:713ef38fead1 | 473 | |
okini3939 | 0:713ef38fead1 | 474 | return read(mInputChannel); |
okini3939 | 0:713ef38fead1 | 475 | |
okini3939 | 0:713ef38fead1 | 476 | } |
okini3939 | 0:713ef38fead1 | 477 | |
okini3939 | 0:713ef38fead1 | 478 | |
okini3939 | 0:713ef38fead1 | 479 | /*! \brief Reading/thru-ing method, the same as read() with a given input channel to read on. */ |
okini3939 | 0:713ef38fead1 | 480 | bool MIDI::read(const byte inChannel) |
okini3939 | 0:713ef38fead1 | 481 | { |
okini3939 | 0:713ef38fead1 | 482 | |
okini3939 | 0:713ef38fead1 | 483 | if (inChannel >= MIDI_CHANNEL_OFF) return false; // MIDI Input disabled. |
okini3939 | 0:713ef38fead1 | 484 | |
okini3939 | 0:713ef38fead1 | 485 | if (parse(inChannel)) { |
okini3939 | 0:713ef38fead1 | 486 | |
okini3939 | 0:713ef38fead1 | 487 | if (input_filter(inChannel)) { |
okini3939 | 0:713ef38fead1 | 488 | |
okini3939 | 0:713ef38fead1 | 489 | #if (COMPILE_MIDI_OUT && COMPILE_MIDI_THRU) |
okini3939 | 0:713ef38fead1 | 490 | thru_filter(inChannel); |
okini3939 | 0:713ef38fead1 | 491 | #endif |
okini3939 | 0:713ef38fead1 | 492 | |
okini3939 | 0:713ef38fead1 | 493 | #if USE_CALLBACKS |
okini3939 | 0:713ef38fead1 | 494 | launchCallback(); |
okini3939 | 0:713ef38fead1 | 495 | #endif |
okini3939 | 0:713ef38fead1 | 496 | |
okini3939 | 0:713ef38fead1 | 497 | return true; |
okini3939 | 0:713ef38fead1 | 498 | } |
okini3939 | 0:713ef38fead1 | 499 | |
okini3939 | 0:713ef38fead1 | 500 | } |
okini3939 | 0:713ef38fead1 | 501 | |
okini3939 | 0:713ef38fead1 | 502 | return false; |
okini3939 | 0:713ef38fead1 | 503 | |
okini3939 | 0:713ef38fead1 | 504 | } |
okini3939 | 0:713ef38fead1 | 505 | |
okini3939 | 0:713ef38fead1 | 506 | |
okini3939 | 0:713ef38fead1 | 507 | // Private method: MIDI parser |
okini3939 | 0:713ef38fead1 | 508 | bool MIDI::parse(byte inChannel) |
okini3939 | 0:713ef38fead1 | 509 | { |
okini3939 | 0:713ef38fead1 | 510 | |
okini3939 | 0:713ef38fead1 | 511 | const int bytes_available = USE_SERIAL_PORT.readable(); |
okini3939 | 0:713ef38fead1 | 512 | |
okini3939 | 0:713ef38fead1 | 513 | if (bytes_available <= 0) { |
okini3939 | 0:713ef38fead1 | 514 | // No data available. |
okini3939 | 0:713ef38fead1 | 515 | return false; |
okini3939 | 0:713ef38fead1 | 516 | } |
okini3939 | 0:713ef38fead1 | 517 | |
okini3939 | 0:713ef38fead1 | 518 | // If the buffer is full -> Don't Panic! Call the Vogons to destroy it. |
okini3939 | 0:713ef38fead1 | 519 | if (bytes_available == 128) { |
okini3939 | 0:713ef38fead1 | 520 | // USE_SERIAL_PORT.flush(); |
okini3939 | 0:713ef38fead1 | 521 | } |
okini3939 | 0:713ef38fead1 | 522 | else { |
okini3939 | 0:713ef38fead1 | 523 | |
okini3939 | 0:713ef38fead1 | 524 | /* Parsing algorithm: |
okini3939 | 0:713ef38fead1 | 525 | Get a byte from the serial buffer. |
okini3939 | 0:713ef38fead1 | 526 | * If there is no pending message to be recomposed, start a new one. |
okini3939 | 0:713ef38fead1 | 527 | - Find type and channel (if pertinent) |
okini3939 | 0:713ef38fead1 | 528 | - Look for other bytes in buffer, call parser recursively, until the message is assembled or the buffer is empty. |
okini3939 | 0:713ef38fead1 | 529 | * Else, add the extracted byte to the pending message, and check validity. When the message is done, store it. |
okini3939 | 0:713ef38fead1 | 530 | */ |
okini3939 | 0:713ef38fead1 | 531 | |
okini3939 | 0:713ef38fead1 | 532 | |
okini3939 | 0:713ef38fead1 | 533 | const byte extracted = USE_SERIAL_PORT.getc(); |
okini3939 | 0:713ef38fead1 | 534 | |
okini3939 | 0:713ef38fead1 | 535 | if (mPendingMessageIndex == 0) { // Start a new pending message |
okini3939 | 0:713ef38fead1 | 536 | mPendingMessage[0] = extracted; |
okini3939 | 0:713ef38fead1 | 537 | |
okini3939 | 0:713ef38fead1 | 538 | // Check for running status first |
okini3939 | 0:713ef38fead1 | 539 | switch (getTypeFromStatusByte(mRunningStatus_RX)) { |
okini3939 | 0:713ef38fead1 | 540 | // Only these types allow Running Status: |
okini3939 | 0:713ef38fead1 | 541 | case NoteOff: |
okini3939 | 0:713ef38fead1 | 542 | case NoteOn: |
okini3939 | 0:713ef38fead1 | 543 | case AfterTouchPoly: |
okini3939 | 0:713ef38fead1 | 544 | case ControlChange: |
okini3939 | 0:713ef38fead1 | 545 | case ProgramChange: |
okini3939 | 0:713ef38fead1 | 546 | case AfterTouchChannel: |
okini3939 | 0:713ef38fead1 | 547 | case PitchBend: |
okini3939 | 0:713ef38fead1 | 548 | |
okini3939 | 0:713ef38fead1 | 549 | // If the status byte is not received, prepend it to the pending message |
okini3939 | 0:713ef38fead1 | 550 | if (extracted < 0x80) { |
okini3939 | 0:713ef38fead1 | 551 | mPendingMessage[0] = mRunningStatus_RX; |
okini3939 | 0:713ef38fead1 | 552 | mPendingMessage[1] = extracted; |
okini3939 | 0:713ef38fead1 | 553 | mPendingMessageIndex = 1; |
okini3939 | 0:713ef38fead1 | 554 | } |
okini3939 | 0:713ef38fead1 | 555 | // Else: well, we received another status byte, so the running status does not apply here. |
okini3939 | 0:713ef38fead1 | 556 | // It will be updated upon completion of this message. |
okini3939 | 0:713ef38fead1 | 557 | |
okini3939 | 0:713ef38fead1 | 558 | break; |
okini3939 | 0:713ef38fead1 | 559 | |
okini3939 | 0:713ef38fead1 | 560 | default: |
okini3939 | 0:713ef38fead1 | 561 | // No running status |
okini3939 | 0:713ef38fead1 | 562 | break; |
okini3939 | 0:713ef38fead1 | 563 | } |
okini3939 | 0:713ef38fead1 | 564 | |
okini3939 | 0:713ef38fead1 | 565 | |
okini3939 | 0:713ef38fead1 | 566 | switch (getTypeFromStatusByte(mPendingMessage[0])) { |
okini3939 | 0:713ef38fead1 | 567 | |
okini3939 | 0:713ef38fead1 | 568 | // 1 byte messages |
okini3939 | 0:713ef38fead1 | 569 | case Start: |
okini3939 | 0:713ef38fead1 | 570 | case Continue: |
okini3939 | 0:713ef38fead1 | 571 | case Stop: |
okini3939 | 0:713ef38fead1 | 572 | case Clock: |
okini3939 | 0:713ef38fead1 | 573 | case ActiveSensing: |
okini3939 | 0:713ef38fead1 | 574 | case SystemReset: |
okini3939 | 0:713ef38fead1 | 575 | case TuneRequest: |
okini3939 | 0:713ef38fead1 | 576 | // Handle the message type directly here. |
okini3939 | 0:713ef38fead1 | 577 | mMessage.type = getTypeFromStatusByte(mPendingMessage[0]); |
okini3939 | 0:713ef38fead1 | 578 | mMessage.channel = 0; |
okini3939 | 0:713ef38fead1 | 579 | mMessage.data1 = 0; |
okini3939 | 0:713ef38fead1 | 580 | mMessage.data2 = 0; |
okini3939 | 0:713ef38fead1 | 581 | mMessage.valid = true; |
okini3939 | 0:713ef38fead1 | 582 | |
okini3939 | 0:713ef38fead1 | 583 | // \fix Running Status broken when receiving Clock messages. |
okini3939 | 0:713ef38fead1 | 584 | // Do not reset all input attributes, Running Status must remain unchanged. |
okini3939 | 0:713ef38fead1 | 585 | //reset_input_attributes(); |
okini3939 | 0:713ef38fead1 | 586 | |
okini3939 | 0:713ef38fead1 | 587 | // We still need to reset these |
okini3939 | 0:713ef38fead1 | 588 | mPendingMessageIndex = 0; |
okini3939 | 0:713ef38fead1 | 589 | mPendingMessageExpectedLenght = 0; |
okini3939 | 0:713ef38fead1 | 590 | |
okini3939 | 0:713ef38fead1 | 591 | return true; |
okini3939 | 0:713ef38fead1 | 592 | |
okini3939 | 0:713ef38fead1 | 593 | // 2 bytes messages |
okini3939 | 0:713ef38fead1 | 594 | case ProgramChange: |
okini3939 | 0:713ef38fead1 | 595 | case AfterTouchChannel: |
okini3939 | 0:713ef38fead1 | 596 | case TimeCodeQuarterFrame: |
okini3939 | 0:713ef38fead1 | 597 | case SongSelect: |
okini3939 | 0:713ef38fead1 | 598 | mPendingMessageExpectedLenght = 2; |
okini3939 | 0:713ef38fead1 | 599 | break; |
okini3939 | 0:713ef38fead1 | 600 | |
okini3939 | 0:713ef38fead1 | 601 | // 3 bytes messages |
okini3939 | 0:713ef38fead1 | 602 | case NoteOn: |
okini3939 | 0:713ef38fead1 | 603 | case NoteOff: |
okini3939 | 0:713ef38fead1 | 604 | case ControlChange: |
okini3939 | 0:713ef38fead1 | 605 | case PitchBend: |
okini3939 | 0:713ef38fead1 | 606 | case AfterTouchPoly: |
okini3939 | 0:713ef38fead1 | 607 | case SongPosition: |
okini3939 | 0:713ef38fead1 | 608 | mPendingMessageExpectedLenght = 3; |
okini3939 | 0:713ef38fead1 | 609 | break; |
okini3939 | 0:713ef38fead1 | 610 | |
okini3939 | 0:713ef38fead1 | 611 | case SystemExclusive: |
okini3939 | 0:713ef38fead1 | 612 | mPendingMessageExpectedLenght = MIDI_SYSEX_ARRAY_SIZE; // As the message can be any lenght between 3 and MIDI_SYSEX_ARRAY_SIZE bytes |
okini3939 | 0:713ef38fead1 | 613 | mRunningStatus_RX = InvalidType; |
okini3939 | 0:713ef38fead1 | 614 | break; |
okini3939 | 0:713ef38fead1 | 615 | |
okini3939 | 0:713ef38fead1 | 616 | case InvalidType: |
okini3939 | 0:713ef38fead1 | 617 | default: |
okini3939 | 0:713ef38fead1 | 618 | // This is obviously wrong. Let's get the hell out'a here. |
okini3939 | 0:713ef38fead1 | 619 | reset_input_attributes(); |
okini3939 | 0:713ef38fead1 | 620 | return false; |
okini3939 | 0:713ef38fead1 | 621 | } |
okini3939 | 0:713ef38fead1 | 622 | |
okini3939 | 0:713ef38fead1 | 623 | // Then update the index of the pending message. |
okini3939 | 0:713ef38fead1 | 624 | mPendingMessageIndex++; |
okini3939 | 0:713ef38fead1 | 625 | |
okini3939 | 0:713ef38fead1 | 626 | #if USE_1BYTE_PARSING |
okini3939 | 0:713ef38fead1 | 627 | // Message is not complete. |
okini3939 | 0:713ef38fead1 | 628 | return false; |
okini3939 | 0:713ef38fead1 | 629 | #else |
okini3939 | 0:713ef38fead1 | 630 | // Call the parser recursively |
okini3939 | 0:713ef38fead1 | 631 | // to parse the rest of the message. |
okini3939 | 0:713ef38fead1 | 632 | return parse(inChannel); |
okini3939 | 0:713ef38fead1 | 633 | #endif |
okini3939 | 0:713ef38fead1 | 634 | |
okini3939 | 0:713ef38fead1 | 635 | } |
okini3939 | 0:713ef38fead1 | 636 | else { |
okini3939 | 0:713ef38fead1 | 637 | |
okini3939 | 0:713ef38fead1 | 638 | // First, test if this is a status byte |
okini3939 | 0:713ef38fead1 | 639 | if (extracted >= 0x80) { |
okini3939 | 0:713ef38fead1 | 640 | |
okini3939 | 0:713ef38fead1 | 641 | // Reception of status bytes in the middle of an uncompleted message |
okini3939 | 0:713ef38fead1 | 642 | // are allowed only for interleaved Real Time message or EOX |
okini3939 | 0:713ef38fead1 | 643 | switch (extracted) { |
okini3939 | 0:713ef38fead1 | 644 | case Clock: |
okini3939 | 0:713ef38fead1 | 645 | case Start: |
okini3939 | 0:713ef38fead1 | 646 | case Continue: |
okini3939 | 0:713ef38fead1 | 647 | case Stop: |
okini3939 | 0:713ef38fead1 | 648 | case ActiveSensing: |
okini3939 | 0:713ef38fead1 | 649 | case SystemReset: |
okini3939 | 0:713ef38fead1 | 650 | |
okini3939 | 0:713ef38fead1 | 651 | /* |
okini3939 | 0:713ef38fead1 | 652 | This is tricky. Here we will have to extract the one-byte message, |
okini3939 | 0:713ef38fead1 | 653 | pass it to the structure for being read outside the MIDI class, |
okini3939 | 0:713ef38fead1 | 654 | and recompose the message it was interleaved into. |
okini3939 | 0:713ef38fead1 | 655 | |
okini3939 | 0:713ef38fead1 | 656 | Oh, and without killing the running status.. |
okini3939 | 0:713ef38fead1 | 657 | |
okini3939 | 0:713ef38fead1 | 658 | This is done by leaving the pending message as is, it will be completed on next calls. |
okini3939 | 0:713ef38fead1 | 659 | */ |
okini3939 | 0:713ef38fead1 | 660 | |
okini3939 | 0:713ef38fead1 | 661 | mMessage.type = (kMIDIType)extracted; |
okini3939 | 0:713ef38fead1 | 662 | mMessage.data1 = 0; |
okini3939 | 0:713ef38fead1 | 663 | mMessage.data2 = 0; |
okini3939 | 0:713ef38fead1 | 664 | mMessage.channel = 0; |
okini3939 | 0:713ef38fead1 | 665 | mMessage.valid = true; |
okini3939 | 0:713ef38fead1 | 666 | return true; |
okini3939 | 0:713ef38fead1 | 667 | |
okini3939 | 0:713ef38fead1 | 668 | // End of Exclusive |
okini3939 | 0:713ef38fead1 | 669 | case 0xF7: |
okini3939 | 0:713ef38fead1 | 670 | if (getTypeFromStatusByte(mPendingMessage[0]) == SystemExclusive) { |
okini3939 | 0:713ef38fead1 | 671 | |
okini3939 | 0:713ef38fead1 | 672 | // Store System Exclusive array in midimsg structure |
okini3939 | 0:713ef38fead1 | 673 | for (byte i=0;i<MIDI_SYSEX_ARRAY_SIZE;i++) { |
okini3939 | 0:713ef38fead1 | 674 | mMessage.sysex_array[i] = mPendingMessage[i]; |
okini3939 | 0:713ef38fead1 | 675 | } |
okini3939 | 0:713ef38fead1 | 676 | |
okini3939 | 0:713ef38fead1 | 677 | mMessage.type = SystemExclusive; |
okini3939 | 0:713ef38fead1 | 678 | |
okini3939 | 0:713ef38fead1 | 679 | // Get length |
okini3939 | 0:713ef38fead1 | 680 | mMessage.data1 = (mPendingMessageIndex+1) & 0xFF; |
okini3939 | 0:713ef38fead1 | 681 | mMessage.data2 = (mPendingMessageIndex+1) >> 8; |
okini3939 | 0:713ef38fead1 | 682 | |
okini3939 | 0:713ef38fead1 | 683 | mMessage.channel = 0; |
okini3939 | 0:713ef38fead1 | 684 | mMessage.valid = true; |
okini3939 | 0:713ef38fead1 | 685 | |
okini3939 | 0:713ef38fead1 | 686 | reset_input_attributes(); |
okini3939 | 0:713ef38fead1 | 687 | |
okini3939 | 0:713ef38fead1 | 688 | return true; |
okini3939 | 0:713ef38fead1 | 689 | } |
okini3939 | 0:713ef38fead1 | 690 | else { |
okini3939 | 0:713ef38fead1 | 691 | // Well well well.. error. |
okini3939 | 0:713ef38fead1 | 692 | reset_input_attributes(); |
okini3939 | 0:713ef38fead1 | 693 | return false; |
okini3939 | 0:713ef38fead1 | 694 | } |
okini3939 | 0:713ef38fead1 | 695 | |
okini3939 | 0:713ef38fead1 | 696 | default: |
okini3939 | 0:713ef38fead1 | 697 | break; |
okini3939 | 0:713ef38fead1 | 698 | } |
okini3939 | 0:713ef38fead1 | 699 | |
okini3939 | 0:713ef38fead1 | 700 | |
okini3939 | 0:713ef38fead1 | 701 | |
okini3939 | 0:713ef38fead1 | 702 | } |
okini3939 | 0:713ef38fead1 | 703 | |
okini3939 | 0:713ef38fead1 | 704 | |
okini3939 | 0:713ef38fead1 | 705 | // Add extracted data byte to pending message |
okini3939 | 0:713ef38fead1 | 706 | mPendingMessage[mPendingMessageIndex] = extracted; |
okini3939 | 0:713ef38fead1 | 707 | |
okini3939 | 0:713ef38fead1 | 708 | |
okini3939 | 0:713ef38fead1 | 709 | // Now we are going to check if we have reached the end of the message |
okini3939 | 0:713ef38fead1 | 710 | if (mPendingMessageIndex >= (mPendingMessageExpectedLenght-1)) { |
okini3939 | 0:713ef38fead1 | 711 | |
okini3939 | 0:713ef38fead1 | 712 | // "FML" case: fall down here with an overflown SysEx.. |
okini3939 | 0:713ef38fead1 | 713 | // This means we received the last possible data byte that can fit the buffer. |
okini3939 | 0:713ef38fead1 | 714 | // If this happens, try increasing MIDI_SYSEX_ARRAY_SIZE. |
okini3939 | 0:713ef38fead1 | 715 | if (getTypeFromStatusByte(mPendingMessage[0]) == SystemExclusive) { |
okini3939 | 0:713ef38fead1 | 716 | reset_input_attributes(); |
okini3939 | 0:713ef38fead1 | 717 | return false; |
okini3939 | 0:713ef38fead1 | 718 | } |
okini3939 | 0:713ef38fead1 | 719 | |
okini3939 | 0:713ef38fead1 | 720 | |
okini3939 | 0:713ef38fead1 | 721 | mMessage.type = getTypeFromStatusByte(mPendingMessage[0]); |
okini3939 | 0:713ef38fead1 | 722 | mMessage.channel = (mPendingMessage[0] & 0x0F)+1; // Don't check if it is a Channel Message |
okini3939 | 0:713ef38fead1 | 723 | |
okini3939 | 0:713ef38fead1 | 724 | mMessage.data1 = mPendingMessage[1]; |
okini3939 | 0:713ef38fead1 | 725 | |
okini3939 | 0:713ef38fead1 | 726 | // Save data2 only if applicable |
okini3939 | 0:713ef38fead1 | 727 | if (mPendingMessageExpectedLenght == 3) mMessage.data2 = mPendingMessage[2]; |
okini3939 | 0:713ef38fead1 | 728 | else mMessage.data2 = 0; |
okini3939 | 0:713ef38fead1 | 729 | |
okini3939 | 0:713ef38fead1 | 730 | // Reset local variables |
okini3939 | 0:713ef38fead1 | 731 | mPendingMessageIndex = 0; |
okini3939 | 0:713ef38fead1 | 732 | mPendingMessageExpectedLenght = 0; |
okini3939 | 0:713ef38fead1 | 733 | |
okini3939 | 0:713ef38fead1 | 734 | mMessage.valid = true; |
okini3939 | 0:713ef38fead1 | 735 | |
okini3939 | 0:713ef38fead1 | 736 | // Activate running status (if enabled for the received type) |
okini3939 | 0:713ef38fead1 | 737 | switch (mMessage.type) { |
okini3939 | 0:713ef38fead1 | 738 | case NoteOff: |
okini3939 | 0:713ef38fead1 | 739 | case NoteOn: |
okini3939 | 0:713ef38fead1 | 740 | case AfterTouchPoly: |
okini3939 | 0:713ef38fead1 | 741 | case ControlChange: |
okini3939 | 0:713ef38fead1 | 742 | case ProgramChange: |
okini3939 | 0:713ef38fead1 | 743 | case AfterTouchChannel: |
okini3939 | 0:713ef38fead1 | 744 | case PitchBend: |
okini3939 | 0:713ef38fead1 | 745 | // Running status enabled: store it from received message |
okini3939 | 0:713ef38fead1 | 746 | mRunningStatus_RX = mPendingMessage[0]; |
okini3939 | 0:713ef38fead1 | 747 | break; |
okini3939 | 0:713ef38fead1 | 748 | |
okini3939 | 0:713ef38fead1 | 749 | default: |
okini3939 | 0:713ef38fead1 | 750 | // No running status |
okini3939 | 0:713ef38fead1 | 751 | mRunningStatus_RX = InvalidType; |
okini3939 | 0:713ef38fead1 | 752 | break; |
okini3939 | 0:713ef38fead1 | 753 | } |
okini3939 | 0:713ef38fead1 | 754 | return true; |
okini3939 | 0:713ef38fead1 | 755 | } |
okini3939 | 0:713ef38fead1 | 756 | else { |
okini3939 | 0:713ef38fead1 | 757 | // Then update the index of the pending message. |
okini3939 | 0:713ef38fead1 | 758 | mPendingMessageIndex++; |
okini3939 | 0:713ef38fead1 | 759 | |
okini3939 | 0:713ef38fead1 | 760 | #if USE_1BYTE_PARSING |
okini3939 | 0:713ef38fead1 | 761 | // Message is not complete. |
okini3939 | 0:713ef38fead1 | 762 | return false; |
okini3939 | 0:713ef38fead1 | 763 | #else |
okini3939 | 0:713ef38fead1 | 764 | // Call the parser recursively |
okini3939 | 0:713ef38fead1 | 765 | // to parse the rest of the message. |
okini3939 | 0:713ef38fead1 | 766 | return parse(inChannel); |
okini3939 | 0:713ef38fead1 | 767 | #endif |
okini3939 | 0:713ef38fead1 | 768 | |
okini3939 | 0:713ef38fead1 | 769 | } |
okini3939 | 0:713ef38fead1 | 770 | |
okini3939 | 0:713ef38fead1 | 771 | } |
okini3939 | 0:713ef38fead1 | 772 | |
okini3939 | 0:713ef38fead1 | 773 | } |
okini3939 | 0:713ef38fead1 | 774 | |
okini3939 | 0:713ef38fead1 | 775 | // What are our chances to fall here? |
okini3939 | 0:713ef38fead1 | 776 | return false; |
okini3939 | 0:713ef38fead1 | 777 | } |
okini3939 | 0:713ef38fead1 | 778 | |
okini3939 | 0:713ef38fead1 | 779 | |
okini3939 | 0:713ef38fead1 | 780 | // Private method: check if the received message is on the listened channel |
okini3939 | 0:713ef38fead1 | 781 | bool MIDI::input_filter(byte inChannel) |
okini3939 | 0:713ef38fead1 | 782 | { |
okini3939 | 0:713ef38fead1 | 783 | |
okini3939 | 0:713ef38fead1 | 784 | |
okini3939 | 0:713ef38fead1 | 785 | // This method handles recognition of channel (to know if the message is destinated to the Arduino) |
okini3939 | 0:713ef38fead1 | 786 | |
okini3939 | 0:713ef38fead1 | 787 | |
okini3939 | 0:713ef38fead1 | 788 | if (mMessage.type == InvalidType) return false; |
okini3939 | 0:713ef38fead1 | 789 | |
okini3939 | 0:713ef38fead1 | 790 | |
okini3939 | 0:713ef38fead1 | 791 | // First, check if the received message is Channel |
okini3939 | 0:713ef38fead1 | 792 | if (mMessage.type >= NoteOff && mMessage.type <= PitchBend) { |
okini3939 | 0:713ef38fead1 | 793 | |
okini3939 | 0:713ef38fead1 | 794 | // Then we need to know if we listen to it |
okini3939 | 0:713ef38fead1 | 795 | if ((mMessage.channel == mInputChannel) || (mInputChannel == MIDI_CHANNEL_OMNI)) { |
okini3939 | 0:713ef38fead1 | 796 | return true; |
okini3939 | 0:713ef38fead1 | 797 | |
okini3939 | 0:713ef38fead1 | 798 | } |
okini3939 | 0:713ef38fead1 | 799 | else { |
okini3939 | 0:713ef38fead1 | 800 | // We don't listen to this channel |
okini3939 | 0:713ef38fead1 | 801 | return false; |
okini3939 | 0:713ef38fead1 | 802 | } |
okini3939 | 0:713ef38fead1 | 803 | |
okini3939 | 0:713ef38fead1 | 804 | } |
okini3939 | 0:713ef38fead1 | 805 | else { |
okini3939 | 0:713ef38fead1 | 806 | |
okini3939 | 0:713ef38fead1 | 807 | // System messages are always received |
okini3939 | 0:713ef38fead1 | 808 | return true; |
okini3939 | 0:713ef38fead1 | 809 | } |
okini3939 | 0:713ef38fead1 | 810 | |
okini3939 | 0:713ef38fead1 | 811 | } |
okini3939 | 0:713ef38fead1 | 812 | |
okini3939 | 0:713ef38fead1 | 813 | |
okini3939 | 0:713ef38fead1 | 814 | // Private method: reset input attributes |
okini3939 | 0:713ef38fead1 | 815 | void MIDI::reset_input_attributes() |
okini3939 | 0:713ef38fead1 | 816 | { |
okini3939 | 0:713ef38fead1 | 817 | |
okini3939 | 0:713ef38fead1 | 818 | mPendingMessageIndex = 0; |
okini3939 | 0:713ef38fead1 | 819 | mPendingMessageExpectedLenght = 0; |
okini3939 | 0:713ef38fead1 | 820 | mRunningStatus_RX = InvalidType; |
okini3939 | 0:713ef38fead1 | 821 | |
okini3939 | 0:713ef38fead1 | 822 | } |
okini3939 | 0:713ef38fead1 | 823 | |
okini3939 | 0:713ef38fead1 | 824 | |
okini3939 | 0:713ef38fead1 | 825 | // Getters |
okini3939 | 0:713ef38fead1 | 826 | /*! \brief Get the last received message's type |
okini3939 | 0:713ef38fead1 | 827 | |
okini3939 | 0:713ef38fead1 | 828 | Returns an enumerated type. @see kMIDIType |
okini3939 | 0:713ef38fead1 | 829 | */ |
okini3939 | 0:713ef38fead1 | 830 | kMIDIType MIDI::getType() const |
okini3939 | 0:713ef38fead1 | 831 | { |
okini3939 | 0:713ef38fead1 | 832 | |
okini3939 | 0:713ef38fead1 | 833 | return mMessage.type; |
okini3939 | 0:713ef38fead1 | 834 | |
okini3939 | 0:713ef38fead1 | 835 | } |
okini3939 | 0:713ef38fead1 | 836 | |
okini3939 | 0:713ef38fead1 | 837 | |
okini3939 | 0:713ef38fead1 | 838 | /*! \brief Get the channel of the message stored in the structure. |
okini3939 | 0:713ef38fead1 | 839 | |
okini3939 | 0:713ef38fead1 | 840 | Channel range is 1 to 16. For non-channel messages, this will return 0. |
okini3939 | 0:713ef38fead1 | 841 | */ |
okini3939 | 0:713ef38fead1 | 842 | byte MIDI::getChannel() const |
okini3939 | 0:713ef38fead1 | 843 | { |
okini3939 | 0:713ef38fead1 | 844 | |
okini3939 | 0:713ef38fead1 | 845 | return mMessage.channel; |
okini3939 | 0:713ef38fead1 | 846 | |
okini3939 | 0:713ef38fead1 | 847 | } |
okini3939 | 0:713ef38fead1 | 848 | |
okini3939 | 0:713ef38fead1 | 849 | |
okini3939 | 0:713ef38fead1 | 850 | /*! \brief Get the first data byte of the last received message. */ |
okini3939 | 0:713ef38fead1 | 851 | byte MIDI::getData1() const |
okini3939 | 0:713ef38fead1 | 852 | { |
okini3939 | 0:713ef38fead1 | 853 | |
okini3939 | 0:713ef38fead1 | 854 | return mMessage.data1; |
okini3939 | 0:713ef38fead1 | 855 | |
okini3939 | 0:713ef38fead1 | 856 | } |
okini3939 | 0:713ef38fead1 | 857 | |
okini3939 | 0:713ef38fead1 | 858 | |
okini3939 | 0:713ef38fead1 | 859 | /*! \brief Get the second data byte of the last received message. */ |
okini3939 | 0:713ef38fead1 | 860 | byte MIDI::getData2() const |
okini3939 | 0:713ef38fead1 | 861 | { |
okini3939 | 0:713ef38fead1 | 862 | |
okini3939 | 0:713ef38fead1 | 863 | return mMessage.data2; |
okini3939 | 0:713ef38fead1 | 864 | |
okini3939 | 0:713ef38fead1 | 865 | } |
okini3939 | 0:713ef38fead1 | 866 | |
okini3939 | 0:713ef38fead1 | 867 | |
okini3939 | 0:713ef38fead1 | 868 | /*! \brief Get the System Exclusive byte array. |
okini3939 | 0:713ef38fead1 | 869 | |
okini3939 | 0:713ef38fead1 | 870 | @see getSysExArrayLength to get the array's length in bytes. |
okini3939 | 0:713ef38fead1 | 871 | */ |
okini3939 | 0:713ef38fead1 | 872 | const byte * MIDI::getSysExArray() const |
okini3939 | 0:713ef38fead1 | 873 | { |
okini3939 | 0:713ef38fead1 | 874 | |
okini3939 | 0:713ef38fead1 | 875 | return mMessage.sysex_array; |
okini3939 | 0:713ef38fead1 | 876 | |
okini3939 | 0:713ef38fead1 | 877 | } |
okini3939 | 0:713ef38fead1 | 878 | |
okini3939 | 0:713ef38fead1 | 879 | /*! \brief Get the lenght of the System Exclusive array. |
okini3939 | 0:713ef38fead1 | 880 | |
okini3939 | 0:713ef38fead1 | 881 | It is coded using data1 as LSB and data2 as MSB. |
okini3939 | 0:713ef38fead1 | 882 | \return The array's length, in bytes. |
okini3939 | 0:713ef38fead1 | 883 | */ |
okini3939 | 0:713ef38fead1 | 884 | unsigned int MIDI::getSysExArrayLength() const |
okini3939 | 0:713ef38fead1 | 885 | { |
okini3939 | 0:713ef38fead1 | 886 | |
okini3939 | 0:713ef38fead1 | 887 | unsigned int coded_size = ((unsigned int)(mMessage.data2) << 8) | mMessage.data1; |
okini3939 | 0:713ef38fead1 | 888 | |
okini3939 | 0:713ef38fead1 | 889 | return (coded_size > MIDI_SYSEX_ARRAY_SIZE) ? MIDI_SYSEX_ARRAY_SIZE : coded_size; |
okini3939 | 0:713ef38fead1 | 890 | |
okini3939 | 0:713ef38fead1 | 891 | } |
okini3939 | 0:713ef38fead1 | 892 | |
okini3939 | 0:713ef38fead1 | 893 | |
okini3939 | 0:713ef38fead1 | 894 | /*! \brief Check if a valid message is stored in the structure. */ |
okini3939 | 0:713ef38fead1 | 895 | bool MIDI::check() const |
okini3939 | 0:713ef38fead1 | 896 | { |
okini3939 | 0:713ef38fead1 | 897 | |
okini3939 | 0:713ef38fead1 | 898 | return mMessage.valid; |
okini3939 | 0:713ef38fead1 | 899 | |
okini3939 | 0:713ef38fead1 | 900 | } |
okini3939 | 0:713ef38fead1 | 901 | |
okini3939 | 0:713ef38fead1 | 902 | |
okini3939 | 0:713ef38fead1 | 903 | // Setters |
okini3939 | 0:713ef38fead1 | 904 | /*! \brief Set the value for the input MIDI channel |
okini3939 | 0:713ef38fead1 | 905 | \param Channel the channel value. Valid values are 1 to 16, |
okini3939 | 0:713ef38fead1 | 906 | MIDI_CHANNEL_OMNI if you want to listen to all channels, and MIDI_CHANNEL_OFF to disable MIDI input. |
okini3939 | 0:713ef38fead1 | 907 | */ |
okini3939 | 0:713ef38fead1 | 908 | void MIDI::setInputChannel(const byte Channel) |
okini3939 | 0:713ef38fead1 | 909 | { |
okini3939 | 0:713ef38fead1 | 910 | |
okini3939 | 0:713ef38fead1 | 911 | mInputChannel = Channel; |
okini3939 | 0:713ef38fead1 | 912 | |
okini3939 | 0:713ef38fead1 | 913 | } |
okini3939 | 0:713ef38fead1 | 914 | |
okini3939 | 0:713ef38fead1 | 915 | |
okini3939 | 0:713ef38fead1 | 916 | #if USE_CALLBACKS |
okini3939 | 0:713ef38fead1 | 917 | |
okini3939 | 0:713ef38fead1 | 918 | void MIDI::setHandleNoteOff(void (*fptr)(byte channel, byte note, byte velocity)) { mNoteOffCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 919 | void MIDI::setHandleNoteOn(void (*fptr)(byte channel, byte note, byte velocity)) { mNoteOnCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 920 | void MIDI::setHandleAfterTouchPoly(void (*fptr)(byte channel, byte note, byte pressure)) { mAfterTouchPolyCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 921 | void MIDI::setHandleControlChange(void (*fptr)(byte channel, byte number, byte value)) { mControlChangeCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 922 | void MIDI::setHandleProgramChange(void (*fptr)(byte channel, byte number)) { mProgramChangeCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 923 | void MIDI::setHandleAfterTouchChannel(void (*fptr)(byte channel, byte pressure)) { mAfterTouchChannelCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 924 | void MIDI::setHandlePitchBend(void (*fptr)(byte channel, int bend)) { mPitchBendCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 925 | void MIDI::setHandleSystemExclusive(void (*fptr)(byte * array, byte size)) { mSystemExclusiveCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 926 | void MIDI::setHandleTimeCodeQuarterFrame(void (*fptr)(byte data)) { mTimeCodeQuarterFrameCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 927 | void MIDI::setHandleSongPosition(void (*fptr)(unsigned int beats)) { mSongPositionCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 928 | void MIDI::setHandleSongSelect(void (*fptr)(byte songnumber)) { mSongSelectCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 929 | void MIDI::setHandleTuneRequest(void (*fptr)(void)) { mTuneRequestCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 930 | void MIDI::setHandleClock(void (*fptr)(void)) { mClockCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 931 | void MIDI::setHandleStart(void (*fptr)(void)) { mStartCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 932 | void MIDI::setHandleContinue(void (*fptr)(void)) { mContinueCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 933 | void MIDI::setHandleStop(void (*fptr)(void)) { mStopCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 934 | void MIDI::setHandleActiveSensing(void (*fptr)(void)) { mActiveSensingCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 935 | void MIDI::setHandleSystemReset(void (*fptr)(void)) { mSystemResetCallback = fptr; } |
okini3939 | 0:713ef38fead1 | 936 | |
okini3939 | 0:713ef38fead1 | 937 | |
okini3939 | 0:713ef38fead1 | 938 | /*! \brief Detach an external function from the given type. |
okini3939 | 0:713ef38fead1 | 939 | |
okini3939 | 0:713ef38fead1 | 940 | Use this method to cancel the effects of setHandle********. |
okini3939 | 0:713ef38fead1 | 941 | \param Type The type of message to unbind. When a message of this type is received, no function will be called. |
okini3939 | 0:713ef38fead1 | 942 | */ |
okini3939 | 0:713ef38fead1 | 943 | void MIDI::disconnectCallbackFromType(kMIDIType Type) |
okini3939 | 0:713ef38fead1 | 944 | { |
okini3939 | 0:713ef38fead1 | 945 | |
okini3939 | 0:713ef38fead1 | 946 | switch (Type) { |
okini3939 | 0:713ef38fead1 | 947 | case NoteOff: mNoteOffCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 948 | case NoteOn: mNoteOnCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 949 | case AfterTouchPoly: mAfterTouchPolyCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 950 | case ControlChange: mControlChangeCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 951 | case ProgramChange: mProgramChangeCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 952 | case AfterTouchChannel: mAfterTouchChannelCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 953 | case PitchBend: mPitchBendCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 954 | case SystemExclusive: mSystemExclusiveCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 955 | case TimeCodeQuarterFrame: mTimeCodeQuarterFrameCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 956 | case SongPosition: mSongPositionCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 957 | case SongSelect: mSongSelectCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 958 | case TuneRequest: mTuneRequestCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 959 | case Clock: mClockCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 960 | case Start: mStartCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 961 | case Continue: mContinueCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 962 | case Stop: mStopCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 963 | case ActiveSensing: mActiveSensingCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 964 | case SystemReset: mSystemResetCallback = NULL; break; |
okini3939 | 0:713ef38fead1 | 965 | default: |
okini3939 | 0:713ef38fead1 | 966 | break; |
okini3939 | 0:713ef38fead1 | 967 | } |
okini3939 | 0:713ef38fead1 | 968 | |
okini3939 | 0:713ef38fead1 | 969 | } |
okini3939 | 0:713ef38fead1 | 970 | |
okini3939 | 0:713ef38fead1 | 971 | |
okini3939 | 0:713ef38fead1 | 972 | // Private - launch callback function based on received type. |
okini3939 | 0:713ef38fead1 | 973 | void MIDI::launchCallback() |
okini3939 | 0:713ef38fead1 | 974 | { |
okini3939 | 0:713ef38fead1 | 975 | |
okini3939 | 0:713ef38fead1 | 976 | // The order is mixed to allow frequent messages to trigger their callback faster. |
okini3939 | 0:713ef38fead1 | 977 | |
okini3939 | 0:713ef38fead1 | 978 | switch (mMessage.type) { |
okini3939 | 0:713ef38fead1 | 979 | // Notes |
okini3939 | 0:713ef38fead1 | 980 | case NoteOff: if (mNoteOffCallback != NULL) mNoteOffCallback(mMessage.channel,mMessage.data1,mMessage.data2); break; |
okini3939 | 0:713ef38fead1 | 981 | case NoteOn: if (mNoteOnCallback != NULL) mNoteOnCallback(mMessage.channel,mMessage.data1,mMessage.data2); break; |
okini3939 | 0:713ef38fead1 | 982 | |
okini3939 | 0:713ef38fead1 | 983 | // Real-time messages |
okini3939 | 0:713ef38fead1 | 984 | case Clock: if (mClockCallback != NULL) mClockCallback(); break; |
okini3939 | 0:713ef38fead1 | 985 | case Start: if (mStartCallback != NULL) mStartCallback(); break; |
okini3939 | 0:713ef38fead1 | 986 | case Continue: if (mContinueCallback != NULL) mContinueCallback(); break; |
okini3939 | 0:713ef38fead1 | 987 | case Stop: if (mStopCallback != NULL) mStopCallback(); break; |
okini3939 | 0:713ef38fead1 | 988 | case ActiveSensing: if (mActiveSensingCallback != NULL) mActiveSensingCallback(); break; |
okini3939 | 0:713ef38fead1 | 989 | |
okini3939 | 0:713ef38fead1 | 990 | // Continuous controllers |
okini3939 | 0:713ef38fead1 | 991 | case ControlChange: if (mControlChangeCallback != NULL) mControlChangeCallback(mMessage.channel,mMessage.data1,mMessage.data2); break; |
okini3939 | 0:713ef38fead1 | 992 | case PitchBend: if (mPitchBendCallback != NULL) mPitchBendCallback(mMessage.channel,(int)((mMessage.data1 & 0x7F) | ((mMessage.data2 & 0x7F)<< 7)) - 8192); break; // TODO: check this |
okini3939 | 0:713ef38fead1 | 993 | case AfterTouchPoly: if (mAfterTouchPolyCallback != NULL) mAfterTouchPolyCallback(mMessage.channel,mMessage.data1,mMessage.data2); break; |
okini3939 | 0:713ef38fead1 | 994 | case AfterTouchChannel: if (mAfterTouchChannelCallback != NULL) mAfterTouchChannelCallback(mMessage.channel,mMessage.data1); break; |
okini3939 | 0:713ef38fead1 | 995 | |
okini3939 | 0:713ef38fead1 | 996 | case ProgramChange: if (mProgramChangeCallback != NULL) mProgramChangeCallback(mMessage.channel,mMessage.data1); break; |
okini3939 | 0:713ef38fead1 | 997 | case SystemExclusive: if (mSystemExclusiveCallback != NULL) mSystemExclusiveCallback(mMessage.sysex_array,mMessage.data1); break; |
okini3939 | 0:713ef38fead1 | 998 | |
okini3939 | 0:713ef38fead1 | 999 | // Occasional messages |
okini3939 | 0:713ef38fead1 | 1000 | case TimeCodeQuarterFrame: if (mTimeCodeQuarterFrameCallback != NULL) mTimeCodeQuarterFrameCallback(mMessage.data1); break; |
okini3939 | 0:713ef38fead1 | 1001 | case SongPosition: if (mSongPositionCallback != NULL) mSongPositionCallback((mMessage.data1 & 0x7F) | ((mMessage.data2 & 0x7F)<< 7)); break; |
okini3939 | 0:713ef38fead1 | 1002 | case SongSelect: if (mSongSelectCallback != NULL) mSongSelectCallback(mMessage.data1); break; |
okini3939 | 0:713ef38fead1 | 1003 | case TuneRequest: if (mTuneRequestCallback != NULL) mTuneRequestCallback(); break; |
okini3939 | 0:713ef38fead1 | 1004 | |
okini3939 | 0:713ef38fead1 | 1005 | case SystemReset: if (mSystemResetCallback != NULL) mSystemResetCallback(); break; |
okini3939 | 0:713ef38fead1 | 1006 | case InvalidType: |
okini3939 | 0:713ef38fead1 | 1007 | default: |
okini3939 | 0:713ef38fead1 | 1008 | break; |
okini3939 | 0:713ef38fead1 | 1009 | } |
okini3939 | 0:713ef38fead1 | 1010 | |
okini3939 | 0:713ef38fead1 | 1011 | } |
okini3939 | 0:713ef38fead1 | 1012 | |
okini3939 | 0:713ef38fead1 | 1013 | |
okini3939 | 0:713ef38fead1 | 1014 | #endif // USE_CALLBACKS |
okini3939 | 0:713ef38fead1 | 1015 | |
okini3939 | 0:713ef38fead1 | 1016 | |
okini3939 | 0:713ef38fead1 | 1017 | #endif // COMPILE_MIDI_IN |
okini3939 | 0:713ef38fead1 | 1018 | |
okini3939 | 0:713ef38fead1 | 1019 | |
okini3939 | 0:713ef38fead1 | 1020 | |
okini3939 | 0:713ef38fead1 | 1021 | |
okini3939 | 0:713ef38fead1 | 1022 | #if (COMPILE_MIDI_IN && COMPILE_MIDI_OUT && COMPILE_MIDI_THRU) // Thru |
okini3939 | 0:713ef38fead1 | 1023 | |
okini3939 | 0:713ef38fead1 | 1024 | /*! \brief Set the filter for thru mirroring |
okini3939 | 0:713ef38fead1 | 1025 | \param inThruFilterMode a filter mode |
okini3939 | 0:713ef38fead1 | 1026 | |
okini3939 | 0:713ef38fead1 | 1027 | @see kThruFilterMode |
okini3939 | 0:713ef38fead1 | 1028 | */ |
okini3939 | 0:713ef38fead1 | 1029 | void MIDI::setThruFilterMode(kThruFilterMode inThruFilterMode) |
okini3939 | 0:713ef38fead1 | 1030 | { |
okini3939 | 0:713ef38fead1 | 1031 | |
okini3939 | 0:713ef38fead1 | 1032 | mThruFilterMode = inThruFilterMode; |
okini3939 | 0:713ef38fead1 | 1033 | if (mThruFilterMode != Off) mThruActivated = true; |
okini3939 | 0:713ef38fead1 | 1034 | else mThruActivated = false; |
okini3939 | 0:713ef38fead1 | 1035 | |
okini3939 | 0:713ef38fead1 | 1036 | } |
okini3939 | 0:713ef38fead1 | 1037 | |
okini3939 | 0:713ef38fead1 | 1038 | |
okini3939 | 0:713ef38fead1 | 1039 | /*! \brief Setter method: turn message mirroring on. */ |
okini3939 | 0:713ef38fead1 | 1040 | void MIDI::turnThruOn(kThruFilterMode inThruFilterMode) |
okini3939 | 0:713ef38fead1 | 1041 | { |
okini3939 | 0:713ef38fead1 | 1042 | |
okini3939 | 0:713ef38fead1 | 1043 | mThruActivated = true; |
okini3939 | 0:713ef38fead1 | 1044 | mThruFilterMode = inThruFilterMode; |
okini3939 | 0:713ef38fead1 | 1045 | |
okini3939 | 0:713ef38fead1 | 1046 | } |
okini3939 | 0:713ef38fead1 | 1047 | |
okini3939 | 0:713ef38fead1 | 1048 | |
okini3939 | 0:713ef38fead1 | 1049 | /*! \brief Setter method: turn message mirroring off. */ |
okini3939 | 0:713ef38fead1 | 1050 | void MIDI::turnThruOff() |
okini3939 | 0:713ef38fead1 | 1051 | { |
okini3939 | 0:713ef38fead1 | 1052 | |
okini3939 | 0:713ef38fead1 | 1053 | mThruActivated = false; |
okini3939 | 0:713ef38fead1 | 1054 | mThruFilterMode = Off; |
okini3939 | 0:713ef38fead1 | 1055 | |
okini3939 | 0:713ef38fead1 | 1056 | } |
okini3939 | 0:713ef38fead1 | 1057 | |
okini3939 | 0:713ef38fead1 | 1058 | |
okini3939 | 0:713ef38fead1 | 1059 | // This method is called upon reception of a message and takes care of Thru filtering and sending. |
okini3939 | 0:713ef38fead1 | 1060 | void MIDI::thru_filter(byte inChannel) |
okini3939 | 0:713ef38fead1 | 1061 | { |
okini3939 | 0:713ef38fead1 | 1062 | |
okini3939 | 0:713ef38fead1 | 1063 | /* |
okini3939 | 0:713ef38fead1 | 1064 | This method handles Soft-Thru filtering. |
okini3939 | 0:713ef38fead1 | 1065 | |
okini3939 | 0:713ef38fead1 | 1066 | Soft-Thru filtering: |
okini3939 | 0:713ef38fead1 | 1067 | - All system messages (System Exclusive, Common and Real Time) are passed to output unless filter is set to Off |
okini3939 | 0:713ef38fead1 | 1068 | - Channel messages are passed to the output whether their channel is matching the input channel and the filter setting |
okini3939 | 0:713ef38fead1 | 1069 | |
okini3939 | 0:713ef38fead1 | 1070 | */ |
okini3939 | 0:713ef38fead1 | 1071 | |
okini3939 | 0:713ef38fead1 | 1072 | // If the feature is disabled, don't do anything. |
okini3939 | 0:713ef38fead1 | 1073 | if (!mThruActivated || (mThruFilterMode == Off)) return; |
okini3939 | 0:713ef38fead1 | 1074 | |
okini3939 | 0:713ef38fead1 | 1075 | |
okini3939 | 0:713ef38fead1 | 1076 | // First, check if the received message is Channel |
okini3939 | 0:713ef38fead1 | 1077 | if (mMessage.type >= NoteOff && mMessage.type <= PitchBend) { |
okini3939 | 0:713ef38fead1 | 1078 | |
okini3939 | 0:713ef38fead1 | 1079 | const bool filter_condition = ((mMessage.channel == mInputChannel) || (mInputChannel == MIDI_CHANNEL_OMNI)); |
okini3939 | 0:713ef38fead1 | 1080 | |
okini3939 | 0:713ef38fead1 | 1081 | // Now let's pass it to the output |
okini3939 | 0:713ef38fead1 | 1082 | switch (mThruFilterMode) { |
okini3939 | 0:713ef38fead1 | 1083 | case Full: |
okini3939 | 0:713ef38fead1 | 1084 | send(mMessage.type,mMessage.data1,mMessage.data2,mMessage.channel); |
okini3939 | 0:713ef38fead1 | 1085 | return; |
okini3939 | 0:713ef38fead1 | 1086 | case SameChannel: |
okini3939 | 0:713ef38fead1 | 1087 | if (filter_condition) { |
okini3939 | 0:713ef38fead1 | 1088 | send(mMessage.type,mMessage.data1,mMessage.data2,mMessage.channel); |
okini3939 | 0:713ef38fead1 | 1089 | return; |
okini3939 | 0:713ef38fead1 | 1090 | } |
okini3939 | 0:713ef38fead1 | 1091 | break; |
okini3939 | 0:713ef38fead1 | 1092 | case DifferentChannel: |
okini3939 | 0:713ef38fead1 | 1093 | if (!filter_condition) { |
okini3939 | 0:713ef38fead1 | 1094 | send(mMessage.type,mMessage.data1,mMessage.data2,mMessage.channel); |
okini3939 | 0:713ef38fead1 | 1095 | return; |
okini3939 | 0:713ef38fead1 | 1096 | } |
okini3939 | 0:713ef38fead1 | 1097 | break; |
okini3939 | 0:713ef38fead1 | 1098 | case Off: |
okini3939 | 0:713ef38fead1 | 1099 | // Do nothing. |
okini3939 | 0:713ef38fead1 | 1100 | // Technically it's impossible to get there because the case was already tested earlier. |
okini3939 | 0:713ef38fead1 | 1101 | break; |
okini3939 | 0:713ef38fead1 | 1102 | default: |
okini3939 | 0:713ef38fead1 | 1103 | break; |
okini3939 | 0:713ef38fead1 | 1104 | } |
okini3939 | 0:713ef38fead1 | 1105 | |
okini3939 | 0:713ef38fead1 | 1106 | } |
okini3939 | 0:713ef38fead1 | 1107 | else { |
okini3939 | 0:713ef38fead1 | 1108 | |
okini3939 | 0:713ef38fead1 | 1109 | // Send the message to the output |
okini3939 | 0:713ef38fead1 | 1110 | switch (mMessage.type) { |
okini3939 | 0:713ef38fead1 | 1111 | // Real Time and 1 byte |
okini3939 | 0:713ef38fead1 | 1112 | case Clock: |
okini3939 | 0:713ef38fead1 | 1113 | case Start: |
okini3939 | 0:713ef38fead1 | 1114 | case Stop: |
okini3939 | 0:713ef38fead1 | 1115 | case Continue: |
okini3939 | 0:713ef38fead1 | 1116 | case ActiveSensing: |
okini3939 | 0:713ef38fead1 | 1117 | case SystemReset: |
okini3939 | 0:713ef38fead1 | 1118 | case TuneRequest: |
okini3939 | 0:713ef38fead1 | 1119 | sendRealTime(mMessage.type); |
okini3939 | 0:713ef38fead1 | 1120 | return; |
okini3939 | 0:713ef38fead1 | 1121 | |
okini3939 | 0:713ef38fead1 | 1122 | case SystemExclusive: |
okini3939 | 0:713ef38fead1 | 1123 | // Send SysEx (0xF0 and 0xF7 are included in the buffer) |
okini3939 | 0:713ef38fead1 | 1124 | sendSysEx(mMessage.data1,mMessage.sysex_array,true); |
okini3939 | 0:713ef38fead1 | 1125 | return; |
okini3939 | 0:713ef38fead1 | 1126 | |
okini3939 | 0:713ef38fead1 | 1127 | case SongSelect: |
okini3939 | 0:713ef38fead1 | 1128 | sendSongSelect(mMessage.data1); |
okini3939 | 0:713ef38fead1 | 1129 | return; |
okini3939 | 0:713ef38fead1 | 1130 | |
okini3939 | 0:713ef38fead1 | 1131 | case SongPosition: |
okini3939 | 0:713ef38fead1 | 1132 | sendSongPosition(mMessage.data1 | ((unsigned)mMessage.data2<<7)); |
okini3939 | 0:713ef38fead1 | 1133 | return; |
okini3939 | 0:713ef38fead1 | 1134 | |
okini3939 | 0:713ef38fead1 | 1135 | case TimeCodeQuarterFrame: |
okini3939 | 0:713ef38fead1 | 1136 | sendTimeCodeQuarterFrame(mMessage.data1,mMessage.data2); |
okini3939 | 0:713ef38fead1 | 1137 | return; |
okini3939 | 0:713ef38fead1 | 1138 | |
okini3939 | 0:713ef38fead1 | 1139 | default: |
okini3939 | 0:713ef38fead1 | 1140 | break; |
okini3939 | 0:713ef38fead1 | 1141 | |
okini3939 | 0:713ef38fead1 | 1142 | } |
okini3939 | 0:713ef38fead1 | 1143 | |
okini3939 | 0:713ef38fead1 | 1144 | } |
okini3939 | 0:713ef38fead1 | 1145 | |
okini3939 | 0:713ef38fead1 | 1146 | } |
okini3939 | 0:713ef38fead1 | 1147 | |
okini3939 | 0:713ef38fead1 | 1148 | |
okini3939 | 0:713ef38fead1 | 1149 | #endif // Thru |