arduino_midi_library/examples/DualMerger/DualMerger.ino

56 lines
1.8 KiB
C++

#include <MIDI.h>
// This example shows how to create two instances of the library to create a merger.
// There are two MIDI couples of IO, A and B, each using thru and merging with the
// input from the other node. The result is the following:
// A out = A in + B in
// B out = B in + A in
#if defined(ARDUINO_SAM_DUE)
MIDI_CREATE_INSTANCE(HardwareSerial, Serial, midiA);
MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, midiB);
#elif defined(ARDUINO_SAMD_ZERO)
MIDI_CREATE_INSTANCE(Serial_, SerialUSB, midiA);
MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, midiB);
#elif defined(USBCON) || defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MKL26Z64__)
#include <SoftwareSerial.h>
SoftwareSerial softSerial(2,3);
MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, midiA);
MIDI_CREATE_INSTANCE(SoftwareSerial, softSerial, midiB);
#else
#include <SoftwareSerial.h>
SoftwareSerial softSerial(2,3);
MIDI_CREATE_INSTANCE(HardwareSerial, Serial, midiA);
MIDI_CREATE_INSTANCE(SoftwareSerial, softSerial, midiB);
#endif
void setup()
{
// Initiate MIDI communications, listen to all channels
midiA.begin(MIDI_CHANNEL_OMNI);
midiB.begin(MIDI_CHANNEL_OMNI);
}
void loop()
{
if (midiA.read())
{
// Thru on A has already pushed the input message to out A.
// Forward the message to out B as well.
midiB.send(midiA.getType(),
midiA.getData1(),
midiA.getData2(),
midiA.getChannel());
}
if (midiB.read())
{
// Thru on B has already pushed the input message to out B.
// Forward the message to out A as well.
midiA.send(midiB.getType(),
midiB.getData1(),
midiB.getData2(),
midiB.getChannel());
}
}