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Update MIDI features to match USB MIDI in TD 1.41

main
PaulStoffregen 6 vuotta sitten
vanhempi
fcfecee43b
commit
9488eb7280
2 muutettua tiedostoa jossa 442 lisäystä ja 110 poistoa
Jaettu näkymä Näytä diff tilastot
  1. +252
    -73
      USBHost_t36.h
  2. +190
    -37
      midi.cpp

+ 252
- 73
USBHost_t36.h Näytä tiedosto

@@ -842,13 +842,164 @@ private:

class MIDIDevice : public USBDriver {
public:
enum { SYSEX_MAX_LEN = 60 };
enum { SYSEX_MAX_LEN = 290 };

// Message type names for compatibility with Arduino MIDI library 4.3.1
enum MidiType {
InvalidType = 0x00, // For notifying errors
NoteOff = 0x80, // Note Off
NoteOn = 0x90, // Note On
AfterTouchPoly = 0xA0, // Polyphonic AfterTouch
ControlChange = 0xB0, // Control Change / Channel Mode
ProgramChange = 0xC0, // Program Change
AfterTouchChannel = 0xD0, // Channel (monophonic) AfterTouch
PitchBend = 0xE0, // Pitch Bend
SystemExclusive = 0xF0, // System Exclusive
TimeCodeQuarterFrame = 0xF1, // System Common - MIDI Time Code Quarter Frame
SongPosition = 0xF2, // System Common - Song Position Pointer
SongSelect = 0xF3, // System Common - Song Select
TuneRequest = 0xF6, // System Common - Tune Request
Clock = 0xF8, // System Real Time - Timing Clock
Start = 0xFA, // System Real Time - Start
Continue = 0xFB, // System Real Time - Continue
Stop = 0xFC, // System Real Time - Stop
ActiveSensing = 0xFE, // System Real Time - Active Sensing
SystemReset = 0xFF, // System Real Time - System Reset
};
MIDIDevice(USBHost &host) { init(); }
MIDIDevice(USBHost *host) { init(); }
bool read(uint8_t channel=0, uint8_t cable=0);

void sendNoteOff(uint8_t note, uint8_t velocity, uint8_t channel, uint8_t cable=0) {
send(0x80, note, velocity, channel, cable);
}
void sendNoteOn(uint8_t note, uint8_t velocity, uint8_t channel, uint8_t cable=0) {
send(0x90, note, velocity, channel, cable);
}
void sendPolyPressure(uint8_t note, uint8_t pressure, uint8_t channel, uint8_t cable=0) {
send(0xA0, note, pressure, channel, cable);
}
void sendAfterTouch(uint8_t note, uint8_t pressure, uint8_t channel, uint8_t cable=0) {
send(0xA0, note, pressure, channel, cable);
}
void sendControlChange(uint8_t control, uint8_t value, uint8_t channel, uint8_t cable=0) {
send(0xB0, control, value, channel, cable);
}
void sendProgramChange(uint8_t program, uint8_t channel, uint8_t cable=0) {
send(0xC0, program, 0, channel, cable);
}
void sendAfterTouch(uint8_t pressure, uint8_t channel, uint8_t cable=0) {
send(0xD0, pressure, 0, channel, cable);
}
void sendPitchBend(uint16_t value, uint8_t channel, uint8_t cable=0) {
// MIDI 4.3 takes -8192 to +8191. We take 0 to 16383
// MIDI 4.3 also has version that takes float -1.0 to +1.0
send(0xE0, value, value >> 7, channel, cable);
}
void sendSysEx(uint32_t length, const uint8_t *data, bool hasTerm=false, uint8_t cable=0) {
//if (cable >= MIDI_NUM_CABLES) return;
if (hasTerm) {
send_sysex_buffer_has_term(data, length, cable);
} else {
send_sysex_add_term_bytes(data, length, cable);
}
}
void sendRealTime(uint8_t type, uint8_t cable=0) {
switch (type) {
case 0xF8: // Clock
case 0xFA: // Start
case 0xFB: // Continue
case 0xFC: // Stop
case 0xFE: // ActiveSensing
case 0xFF: // SystemReset
send(type, 0, 0, 0, cable);
break;
default: // Invalid Real Time marker
break;
}
}
void sendTimeCodeQuarterFrame(uint8_t type, uint8_t value, uint8_t cable=0) {
send(0xF1, ((type & 0x07) << 4) | (value & 0x0F), 0, 0, cable);
}
void sendSongPosition(uint16_t beats, uint8_t cable=0) {
send(0xF2, beats, beats >> 7, 0, cable);
}
void sendSongSelect(uint8_t song, uint8_t cable=0) {
send(0xF3, song, 0, 0, cable);
}
void sendTuneRequest(uint8_t cable=0) {
send(0xF6, 0, 0, 0, cable);
}
void beginRpn(uint16_t number, uint8_t channel, uint8_t cable=0) {
sendControlChange(101, number >> 7, channel, cable);
sendControlChange(100, number, channel, cable);
}
void sendRpnValue(uint16_t value, uint8_t channel, uint8_t cable=0) {
sendControlChange(6, value >> 7, channel, cable);
sendControlChange(38, value, channel, cable);
}
void sendRpnValue(uint8_t msb, uint8_t lsb, uint8_t channel, uint8_t cable=0) {
sendControlChange(6, msb, channel, cable);
sendControlChange(38, lsb, channel, cable);
}
void sendRpnIncrement(uint8_t amount, uint8_t channel, uint8_t cable=0) {
sendControlChange(96, amount, channel, cable);
}
void sendRpnDecrement(uint8_t amount, uint8_t channel, uint8_t cable=0) {
sendControlChange(97, amount, channel, cable);
}
void endRpn(uint8_t channel, uint8_t cable=0) {
sendControlChange(101, 0x7F, channel, cable);
sendControlChange(100, 0x7F, channel, cable);
}
void beginNrpn(uint16_t number, uint8_t channel, uint8_t cable=0) {
sendControlChange(99, number >> 7, channel, cable);
sendControlChange(98, number, channel, cable);
}
void sendNrpnValue(uint16_t value, uint8_t channel, uint8_t cable=0) {
sendControlChange(6, value >> 7, channel, cable);
sendControlChange(38, value, channel, cable);
}
void sendNrpnValue(uint8_t msb, uint8_t lsb, uint8_t channel, uint8_t cable=0) {
sendControlChange(6, msb, channel, cable);
sendControlChange(38, lsb, channel, cable);
}
void sendNrpnIncrement(uint8_t amount, uint8_t channel, uint8_t cable=0) {
sendControlChange(96, amount, channel, cable);
}
void sendNrpnDecrement(uint8_t amount, uint8_t channel, uint8_t cable=0) {
sendControlChange(97, amount, channel, cable);
}
void endNrpn(uint8_t channel, uint8_t cable=0) {
sendControlChange(99, 0x7F, channel, cable);
sendControlChange(98, 0x7F, channel, cable);
}
void send(uint8_t type, uint8_t data1, uint8_t data2, uint8_t channel, uint8_t cable) {
//if (cable >= MIDI_NUM_CABLES) return;
if (type < 0xF0) {
if (type < 0x80) return;
type &= 0xF0;
write_packed((type << 8) | (type >> 4) | ((cable & 0x0F) << 4)
| (((channel - 1) & 0x0F) << 8) | ((data1 & 0x7F) << 16)
| ((data2 & 0x7F) << 24));
} else if (type >= 0xF8 || type == 0xF6) {
write_packed((type << 8) | 0x0F | ((cable & 0x0F) << 4));
} else if (type == 0xF1 || type == 0xF3) {
write_packed((type << 8) | 0x02 | ((cable & 0x0F) << 4)
| ((data1 & 0x7F) << 16));
} else if (type == 0xF2) {
write_packed((type << 8) | 0x03 | ((cable & 0x0F) << 4)
| ((data1 & 0x7F) << 16) | ((data2 & 0x7F) << 24));
}
}
void send_now(void) __attribute__((always_inline)) {
}
bool read(uint8_t channel=0);
uint8_t getType(void) {
return msg_type;
};
uint8_t getCable(void) {
return msg_cable;
}
uint8_t getChannel(void) {
return msg_channel;
};
@@ -858,85 +1009,100 @@ public:
uint8_t getData2(void) {
return msg_data2;
};
void setHandleNoteOff(void (*f)(uint8_t channel, uint8_t note, uint8_t velocity)) {
handleNoteOff = f;
};
void setHandleNoteOn(void (*f)(uint8_t channel, uint8_t note, uint8_t velocity)) {
handleNoteOn = f;
};
void setHandleVelocityChange(void (*f)(uint8_t channel, uint8_t note, uint8_t velocity)) {
handleVelocityChange = f;
};
void setHandleControlChange(void (*f)(uint8_t channel, uint8_t control, uint8_t value)) {
handleControlChange = f;
};
void setHandleProgramChange(void (*f)(uint8_t channel, uint8_t program)) {
handleProgramChange = f;
};
void setHandleAfterTouch(void (*f)(uint8_t channel, uint8_t pressure)) {
handleAfterTouch = f;
};
void setHandlePitchChange(void (*f)(uint8_t channel, int pitch)) {
handlePitchChange = f;
};
void setHandleSysEx(void (*f)(const uint8_t *data, uint16_t length, bool complete)) {
handleSysEx = (void (*)(const uint8_t *, uint16_t, uint8_t))f;
uint8_t * getSysExArray(void) {
return msg_sysex;
}
void setHandleRealTimeSystem(void (*f)(uint8_t realtimebyte)) {
handleRealTimeSystem = f;
};
void setHandleTimeCodeQuarterFrame(void (*f)(uint16_t data)) {
handleTimeCodeQuarterFrame = f;
};
void sendNoteOff(uint32_t note, uint32_t velocity, uint32_t channel) {
write_packed(0x8008 | (((channel - 1) & 0x0F) << 8)
| ((note & 0x7F) << 16) | ((velocity & 0x7F) << 24));
void setHandleNoteOff(void (*fptr)(uint8_t channel, uint8_t note, uint8_t velocity)) {
// type: 0x80 NoteOff
handleNoteOff = fptr;
}
void sendNoteOn(uint32_t note, uint32_t velocity, uint32_t channel) {
write_packed(0x9009 | (((channel - 1) & 0x0F) << 8)
| ((note & 0x7F) << 16) | ((velocity & 0x7F) << 24));
void setHandleNoteOn(void (*fptr)(uint8_t channel, uint8_t note, uint8_t velocity)) {
// type: 0x90 NoteOn
handleNoteOn = fptr;
}
void sendPolyPressure(uint32_t note, uint32_t pressure, uint32_t channel) {
write_packed(0xA00A | (((channel - 1) & 0x0F) << 8)
| ((note & 0x7F) << 16) | ((pressure & 0x7F) << 24));
void setHandleVelocityChange(void (*fptr)(uint8_t channel, uint8_t note, uint8_t velocity)) {
// type: 0xA0 AfterTouchPoly
handleVelocityChange = fptr;
}
void sendControlChange(uint32_t control, uint32_t value, uint32_t channel) {
write_packed(0xB00B | (((channel - 1) & 0x0F) << 8)
| ((control & 0x7F) << 16) | ((value & 0x7F) << 24));
void setHandleAfterTouchPoly(void (*fptr)(uint8_t channel, uint8_t note, uint8_t pressure)) {
// type: 0xA0 AfterTouchPoly
handleVelocityChange = fptr;
}
void sendProgramChange(uint32_t program, uint32_t channel) {
write_packed(0xC00C | (((channel - 1) & 0x0F) << 8)
| ((program & 0x7F) << 16));
void setHandleControlChange(void (*fptr)(uint8_t channel, uint8_t control, uint8_t value)) {
// type: 0xB0 ControlChange
handleControlChange = fptr;
}
void sendAfterTouch(uint32_t pressure, uint32_t channel) {
write_packed(0xD00D | (((channel - 1) & 0x0F) << 8)
| ((pressure & 0x7F) << 16));
void setHandleProgramChange(void (*fptr)(uint8_t channel, uint8_t program)) {
// type: 0xC0 ProgramChange
handleProgramChange = fptr;
}
void sendPitchBend(uint32_t value, uint32_t channel) {
write_packed(0xE00E | (((channel - 1) & 0x0F) << 8)
| ((value & 0x7F) << 16) | ((value & 0x3F80) << 17));
void setHandleAfterTouch(void (*fptr)(uint8_t channel, uint8_t pressure)) {
// type: 0xD0 AfterTouchChannel
handleAfterTouch = fptr;
}
void sendSysEx(uint32_t length, const void *data);
void sendRealTime(uint32_t type) {
switch (type) {
case 0xF8: // Clock
case 0xFA: // Start
case 0xFC: // Stop
case 0xFB: // Continue
case 0xFE: // ActiveSensing
case 0xFF: // SystemReset
write_packed((type << 8) | 0x0F);
break;
default: // Invalid Real Time marker
break;
}
void setHandleAfterTouchChannel(void (*fptr)(uint8_t channel, uint8_t pressure)) {
// type: 0xD0 AfterTouchChannel
handleAfterTouch = fptr;
}
void setHandlePitchChange(void (*fptr)(uint8_t channel, int pitch)) {
// type: 0xE0 PitchBend
handlePitchChange = fptr;
}
void setHandleSysEx(void (*fptr)(const uint8_t *data, uint16_t length, bool complete)) {
// type: 0xF0 SystemExclusive - multiple calls for message bigger than buffer
handleSysExPartial = (void (*)(const uint8_t *, uint16_t, uint8_t))fptr;
}
void setHandleSystemExclusive(void (*fptr)(const uint8_t *data, uint16_t length, bool complete)) {
// type: 0xF0 SystemExclusive - multiple calls for message bigger than buffer
handleSysExPartial = (void (*)(const uint8_t *, uint16_t, uint8_t))fptr;
}
void setHandleSystemExclusive(void (*fptr)(uint8_t *data, unsigned int size)) {
// type: 0xF0 SystemExclusive - single call, message larger than buffer is truncated
handleSysExComplete = fptr;
}
void setHandleTimeCodeQuarterFrame(void (*fptr)(uint8_t data)) {
// type: 0xF1 TimeCodeQuarterFrame
handleTimeCodeQuarterFrame = fptr;
}
void setHandleSongPosition(void (*fptr)(uint16_t beats)) {
// type: 0xF2 SongPosition
handleSongPosition = fptr;
}
void setHandleSongSelect(void (*fptr)(uint8_t songnumber)) {
// type: 0xF3 SongSelect
handleSongSelect = fptr;
}
void setHandleTuneRequest(void (*fptr)(void)) {
// type: 0xF6 TuneRequest
handleTuneRequest = fptr;
}
void setHandleClock(void (*fptr)(void)) {
// type: 0xF8 Clock
handleClock = fptr;
}
void setHandleStart(void (*fptr)(void)) {
// type: 0xFA Start
handleStart = fptr;
}
void setHandleContinue(void (*fptr)(void)) {
// type: 0xFB Continue
handleContinue = fptr;
}
void setHandleStop(void (*fptr)(void)) {
// type: 0xFC Stop
handleStop = fptr;
}
void setHandleActiveSensing(void (*fptr)(void)) {
// type: 0xFE ActiveSensing
handleActiveSensing = fptr;
}
void sendTimeCodeQuarterFrame(uint32_t type, uint32_t value) {
uint32_t data = ( ((type & 0x07) << 4) | (value & 0x0F) );
sendTimeCodeQuarterFrame(data);
void setHandleSystemReset(void (*fptr)(void)) {
// type: 0xFF SystemReset
handleSystemReset = fptr;
}
void sendTimeCodeQuarterFrame(uint32_t data) {
write_packed(0xF108 | ((data & 0x7F) << 16));
void setHandleRealTimeSystem(void (*fptr)(uint8_t realtimebyte)) {
// type: 0xF8-0xFF - if more specific handler not configured
handleRealTimeSystem = fptr;
}
protected:
virtual bool claim(Device_t *device, int type, const uint8_t *descriptors, uint32_t len);
@@ -947,6 +1113,8 @@ protected:
void tx_data(const Transfer_t *transfer);
void init();
void write_packed(uint32_t data);
void send_sysex_buffer_has_term(const uint8_t *data, uint32_t length, uint8_t cable);
void send_sysex_add_term_bytes(const uint8_t *data, uint32_t length, uint8_t cable);
void sysex_byte(uint8_t b);
private:
Pipe_t *rxpipe;
@@ -966,6 +1134,7 @@ private:
volatile uint8_t tx2_count;
uint8_t rx_ep;
uint8_t tx_ep;
uint8_t msg_cable;
uint8_t msg_channel;
uint8_t msg_type;
uint8_t msg_data1;
@@ -979,9 +1148,19 @@ private:
void (*handleProgramChange)(uint8_t ch, uint8_t program);
void (*handleAfterTouch)(uint8_t ch, uint8_t pressure);
void (*handlePitchChange)(uint8_t ch, int pitch);
void (*handleSysEx)(const uint8_t *data, uint16_t length, uint8_t complete);
void (*handleSysExPartial)(const uint8_t *data, uint16_t length, uint8_t complete);
void (*handleSysExComplete)(uint8_t *data, unsigned int size);
void (*handleTimeCodeQuarterFrame)(uint8_t data);
void (*handleSongPosition)(uint16_t beats);
void (*handleSongSelect)(uint8_t songnumber);
void (*handleTuneRequest)(void);
void (*handleClock)(void);
void (*handleStart)(void);
void (*handleContinue)(void);
void (*handleStop)(void);
void (*handleActiveSensing)(void);
void (*handleSystemReset)(void);
void (*handleRealTimeSystem)(uint8_t rtb);
void (*handleTimeCodeQuarterFrame)(uint16_t data);
Pipe_t mypipes[3] __attribute__ ((aligned(32)));
Transfer_t mytransfers[7] __attribute__ ((aligned(32)));
strbuf_t mystring_bufs[1];

+ 190
- 37
midi.cpp Näytä tiedosto

@@ -39,9 +39,19 @@ void MIDIDevice::init()
handleProgramChange = NULL;
handleAfterTouch = NULL;
handlePitchChange = NULL;
handleSysEx = NULL;
handleRealTimeSystem = NULL;
handleSysExPartial = NULL;
handleSysExComplete = NULL;
handleTimeCodeQuarterFrame = NULL;
handleSongPosition = NULL;
handleSongSelect = NULL;
handleTuneRequest = NULL;
handleClock = NULL;
handleStart = NULL;
handleContinue = NULL;
handleStop = NULL;
handleActiveSensing = NULL;
handleSystemReset = NULL;
handleRealTimeSystem = NULL;
rx_head = 0;
rx_tail = 0;
rxpipe = NULL;
@@ -75,7 +85,6 @@ void MIDIDevice::init()

bool MIDIDevice::claim(Device_t *dev, int type, const uint8_t *descriptors, uint32_t len)
{

// only claim at interface level
if (type != 1) return false;
println("MIDIDevice claim this=", (uint32_t)this, HEX);
@@ -293,8 +302,56 @@ void MIDIDevice::write_packed(uint32_t data)
}
}

void MIDIDevice::send_sysex_buffer_has_term(const uint8_t *data, uint32_t length, uint8_t cable)
{
cable = (cable & 0x0F) << 4;
while (length > 3) {
write_packed(0x04 | cable | (data[0] << 8) | (data[1] << 16) | (data[2] << 24));
data += 3;
length -= 3;
}
if (length == 3) {
write_packed(0x07 | cable | (data[0] << 8) | (data[1] << 16) | (data[2] << 24));
} else if (length == 2) {
write_packed(0x06 | cable | (data[0] << 8) | (data[1] << 16));
} else if (length == 1) {
write_packed(0x05 | cable | (data[0] << 8));
}
}

bool MIDIDevice::read(uint8_t channel, uint8_t cable)
void MIDIDevice::send_sysex_add_term_bytes(const uint8_t *data, uint32_t length, uint8_t cable)
{
cable = (cable & 0x0F) << 4;

if (length == 0) {
write_packed(0x06 | cable | (0xF0 << 8) | (0xF7 << 16));
return;
} else if (length == 1) {
write_packed(0x07 | cable | (0xF0 << 8) | (data[0] << 16) | (0xF7 << 24));
return;
} else {
write_packed(0x04 | cable | (0xF0 << 8) | (data[0] << 16) | (data[1] << 24));
data += 2;
length -= 2;
}
while (length >= 3) {
write_packed(0x04 | cable | (data[0] << 8) | (data[1] << 16) | (data[2] << 24));
data += 3;
length -= 3;
}
if (length == 2) {
write_packed(0x07 | cable | (data[0] << 8) | (data[1] << 16) | (0xF7 << 24));
} else if (length == 1) {
write_packed(0x06 | cable | (data[0] << 8) | (0xF7 << 16));
} else {
write_packed(0x05 | cable | (0xF7 << 8));
}
}




bool MIDIDevice::read(uint8_t channel)
{
uint32_t n, head, tail, avail, ch, type1, type2;

@@ -312,63 +369,148 @@ bool MIDIDevice::read(uint8_t channel, uint8_t cable)
__enable_irq();
}
}

println("read: ", n, HEX);

type1 = n & 15;
type2 = (n >> 12) & 15;
ch = ((n >> 8) & 15) + 1;
msg_cable = (n >> 4) & 15;
if (type1 >= 0x08 && type1 <= 0x0E) {
if (channel && channel != ch) {
// ignore other channels when user wants single channel read
return false;
}
if (type1 == 0x08 && type2 == 0x08) {
msg_type = 8; // 8 = Note off
if (handleNoteOff)
msg_type = 0x80; // 0x80 = Note off
if (handleNoteOff) {
(*handleNoteOff)(ch, (n >> 16), (n >> 24));
}
} else
if (type1 == 0x09 && type2 == 0x09) {
if ((n >> 24) > 0) {
msg_type = 9; // 9 = Note on
if (handleNoteOn)
msg_type = 0x9; // 0x9 = Note on
if (handleNoteOn) {
(*handleNoteOn)(ch, (n >> 16), (n >> 24));
}
} else {
msg_type = 8; // 8 = Note off
if (handleNoteOff)
msg_type = 0x8; // 0x8 = Note off
if (handleNoteOff) {
(*handleNoteOff)(ch, (n >> 16), (n >> 24));
}
}
} else
if (type1 == 0x0A && type2 == 0x0A) {
msg_type = 10; // 10 = Poly Pressure
if (handleVelocityChange)
msg_type = 0xA0; // 0xA0 = AfterTouchPoly
if (handleVelocityChange) {
(*handleVelocityChange)(ch, (n >> 16), (n >> 24));
}
} else
if (type1 == 0x0B && type2 == 0x0B) {
msg_type = 11; // 11 = Control Change
if (handleControlChange)
if (type1 == 0x0B && type2 == 0x0B) {
msg_type = 0xB0; // 0xB0 = Control Change
if (handleControlChange) {
(*handleControlChange)(ch, (n >> 16), (n >> 24));
}
} else
if (type1 == 0x0C && type2 == 0x0C) {
msg_type = 12; // 12 = Program Change
if (handleProgramChange) (*handleProgramChange)(ch, (n >> 16));
if (type1 == 0x0C && type2 == 0x0C) {
msg_type = 0xC0; // 0xC0 = Program Change
if (handleProgramChange) {
(*handleProgramChange)(ch, (n >> 16));
}
} else
if (type1 == 0x0D && type2 == 0x0D) {
msg_type = 13; // 13 = After Touch
if (handleAfterTouch) (*handleAfterTouch)(ch, (n >> 16));
if (type1 == 0x0D && type2 == 0x0D) {
msg_type = 0xD0; // 0xD0 = After Touch
if (handleAfterTouch) {
(*handleAfterTouch)(ch, (n >> 16));
}
} else
if (type1 == 0x0E && type2 == 0x0E) {
msg_type = 14; // 14 = Pitch Bend
if (handlePitchChange)
if (type1 == 0x0E && type2 == 0x0E) {
msg_type = 0xE0; // 0xE0 = Pitch Bend
if (handlePitchChange) {
(*handlePitchChange)(ch, ((n >> 16) & 0x7F) | ((n >> 17) & 0x3F80));
}
} else {
return false;
}
return_message:
msg_channel = ch;
msg_data1 = (n >> 16);
msg_data2 = (n >> 24);
return true;
}
if (type1 == 0x02 || type1 == 0x03 || (type1 == 0x05 && type2 == 0x0F)) {
// system common or system realtime message
uint8_t type;
system_common_or_realtime:
type = n >> 8;
switch (type) {
case 0xF1: // usbMIDI.TimeCodeQuarterFrame
if (handleTimeCodeQuarterFrame) {
(*handleTimeCodeQuarterFrame)(n >> 16);
}
break;
case 0xF2: // usbMIDI.SongPosition
if (handleSongPosition) {
(*handleSongPosition)(((n >> 16) & 0x7F) | ((n >> 17) & 0x3F80));
}
break;
case 0xF3: // usbMIDI.SongSelect
if (handleSongSelect) {
(*handleSongSelect)(n >> 16);
}
break;
case 0xF6: // usbMIDI.TuneRequest
if (handleTuneRequest) {
(*handleTuneRequest)();
}
break;
case 0xF8: // usbMIDI.Clock
if (handleClock) {
(*handleClock)();
} else if (handleRealTimeSystem) {
(*handleRealTimeSystem)(0xF8);
}
break;
case 0xFA: // usbMIDI.Start
if (handleStart) {
(*handleStart)();
} else if (handleRealTimeSystem) {
(*handleRealTimeSystem)(0xFA);
}
break;
case 0xFB: // usbMIDI.Continue
if (handleContinue) {
(*handleContinue)();
} else if (handleRealTimeSystem) {
(*handleRealTimeSystem)(0xFB);
}
break;
case 0xFC: // usbMIDI.Stop
if (handleStop) {
(*handleStop)();
} else if (handleRealTimeSystem) {
(*handleRealTimeSystem)(0xFC);
}
break;
case 0xFE: // usbMIDI.ActiveSensing
if (handleActiveSensing) {
(*handleActiveSensing)();
} else if (handleRealTimeSystem) {
(*handleRealTimeSystem)(0xFE);
}
break;
case 0xFF: // usbMIDI.SystemReset
if (handleSystemReset) {
(*handleSystemReset)();
} else if (handleRealTimeSystem) {
(*handleRealTimeSystem)(0xFF);
}
break;
default:
return false; // unknown message, ignore it
}
msg_type = type;
goto return_message;
}
if (type1 == 0x04) {
sysex_byte(n >> 8);
sysex_byte(n >> 16);
@@ -379,26 +521,37 @@ bool MIDIDevice::read(uint8_t channel, uint8_t cable)
sysex_byte(n >> 8);
if (type1 >= 0x06) sysex_byte(n >> 16);
if (type1 == 0x07) sysex_byte(n >> 24);
msg_data1 = msg_sysex_len;
uint16_t len = msg_sysex_len;
msg_data1 = len;
msg_data2 = len >> 8;
msg_sysex_len = 0;
msg_type = 15; // 15 = Sys Ex
if (handleSysEx)
(*handleSysEx)(msg_sysex, msg_data1, 1);
msg_type = 0xF0; // 0xF0 = SystemExclusive
if (handleSysExPartial) {
(*handleSysExPartial)(msg_sysex, len, 1);
} else if (handleSysExComplete) {
(*handleSysExComplete)(msg_sysex, len);
}
return true;
}
// TODO: single byte messages
// TODO: time code messages?
if (type1 == 0x0F) {
uint8_t b = n >> 8;
if (b >= 0xF8) {
goto system_common_or_realtime;
}
if (msg_sysex_len > 0) {
// Is this really needed? Mac OS-X does this, but do any devices?
sysex_byte(n >> 8);
}
}
return false;
}

void MIDIDevice::sysex_byte(uint8_t b)
{
// when buffer is full, send another chunk to handler.
if (msg_sysex_len >= SYSEX_MAX_LEN) {
if (handleSysEx) {
(*handleSysEx)(msg_sysex, msg_sysex_len, 0);
msg_sysex_len = 0;
}
if (handleSysExPartial && msg_sysex_len >= SYSEX_MAX_LEN) {
// when buffer is full, send another chunk to partial handler.
(*handleSysExPartial)(msg_sysex, msg_sysex_len, 0);
msg_sysex_len = 0;
}
if (msg_sysex_len < SYSEX_MAX_LEN) {
msg_sysex[msg_sysex_len++] = b;

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