Updated examples to work on Leo, Uno, Mega & Due.
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@ -1,17 +1,23 @@
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#include <SoftwareSerial.h>
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#define MIDI_AUTO_INSTANCIATE 0
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#include <MIDI.h>
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// This program demonstrates how to use two serial ports at a time,
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// the hardware serial being used for sending messages to the computer,
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// while MIDI is handled on a software serial port.
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// This program measures the time spent to receive and parse a message.
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// This program will measure the time needed to receive, parse and process a
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// NoteOn message.
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// For it to work, please connect RX and TX on the MIDI port:
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// Due, Leonardo and other USB-native Arduinos: Serial1
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// All other Arduinos: Connect pins 2 and 3.
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// The program will then wait for 100 loops and print the results.
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#if defined(ARDUINO_SAM_DUE) || defined(USBCON)
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// Print through USB and bench with Hardware serial
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MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, midiBench);
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#else
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#include <SoftwareSerial.h>
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SoftwareSerial midiSerial(2,3);
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MIDI_CREATE_INSTANCE(SoftwareSerial, midiSerial, midiBench);
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#endif
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// -----------------------------------------------------------------------------
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SoftwareSerial midiSerial(2,3);
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MIDI_CREATE_INSTANCE(SoftwareSerial, midiSerial, softMidi);
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unsigned long gTime_start = 0;
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unsigned long gTime_stop = 0;
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unsigned gCounter = 0;
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@ -24,39 +30,37 @@ unsigned long gTime_max = 0;
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void handleNoteOn(byte inChannel, byte inNote, byte inVelocity)
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{
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gTime_stop = micros();
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const unsigned long diff = gTime_stop - gTime_start;
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gTime_sum += diff;
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if (diff > gTime_max) gTime_max = diff;
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if (diff < gTime_min) gTime_min = diff;
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gCounter++;
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if (gCounter >= 100)
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if (gCounter++ >= 1000)
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{
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const unsigned long average = gTime_sum / (float)gCounter;
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Serial.println("Time to receive NoteOn: ");
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Serial.print("Average: ");
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Serial.print(average);
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Serial.println(" microsecs");
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Serial.print("Min: ");
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Serial.print(gTime_min);
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Serial.println(" microsecs");
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Serial.print("Max: ");
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Serial.print(gTime_max);
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Serial.println(" microsecs");
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gCounter = 0;
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gTime_sum = 0;
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gTime_max = 0;
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gTime_min = -1;
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softMidi.turnThruOff();
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midiBench.turnThruOff();
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}
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}
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@ -64,18 +68,18 @@ void handleNoteOn(byte inChannel, byte inNote, byte inVelocity)
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void setup()
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{
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softMidi.begin();
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Serial.begin(38400);
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Serial.print("Arduino Ready");
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softMidi.sendNoteOn(69,127,1);
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}
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midiBench.setHandleNoteOn(handleNoteOn);
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midiBench.begin();
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while(!Serial);
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Serial.begin(115200);
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Serial.println("Arduino Ready");
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midiBench.sendNoteOn(69,127,1);
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}
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void loop()
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{
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gTime_start = micros();
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softMidi.read();
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midiBench.read();
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}
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@ -2,20 +2,22 @@
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// This function will be automatically called when a NoteOn is received.
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// It must be a void-returning function with the correct parameters,
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// see documentation here:
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// http://arduinomidilib.sourceforge.net/class_m_i_d_i___class.html
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// see documentation here:
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// http://arduinomidilib.fortyseveneffects.com/a00022.html
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void HandleNoteOn(byte channel, byte pitch, byte velocity)
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{
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// Do whatever you want when you receive a Note On.
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if (velocity == 0)
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{
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// This acts like a NoteOff.
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// This acts like a NoteOff. You can ask the library to call the NoteOff
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// callback when receiving null-velocity NoteOn messages.
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// See MIDI_HANDLE_NULL_VELOCITY_NOTE_ON_AS_NOTE_OFF in midi_Settings.h
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}
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// Try to keep your callbacks short (no delays ect)
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// otherwise it would slow down the loop() and have a bad impact
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// Try to keep your callbacks short (no delays ect)
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// otherwise it would slow down the loop() and have a bad impact
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// on real-time performance.
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}
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@ -23,22 +25,21 @@ void HandleNoteOn(byte channel, byte pitch, byte velocity)
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void setup()
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{
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// Initiate MIDI communications, listen to all channels
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MIDI.begin(MIDI_CHANNEL_OMNI);
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// Connect the HandleNoteOn function to the library,
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// Connect the HandleNoteOn function to the library,
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// so it is called upon reception of a NoteOn.
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MIDI.setHandleNoteOn(HandleNoteOn); // Put only the name of the function
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}
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// Initiate MIDI communications, listen to all channels
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MIDI.begin(MIDI_CHANNEL_OMNI);
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}
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void loop()
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{
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// Call MIDI.read the fastest you can for real-time performance.
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MIDI.read();
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// There is no need to check if there are messages incoming
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// There is no need to check if there are messages incoming
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// if they are bound to a Callback function.
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// The attached method will be called automatically
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// The attached method will be called automatically
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// when the corresponding message has been received.
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}
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@ -1,4 +1,3 @@
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#include <SoftwareSerial.h>
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#include <MIDI.h>
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// This example shows how to create two instances of the library to create a merger.
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@ -7,10 +6,15 @@
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// A out = A in + B in
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// B out = B in + A in
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SoftwareSerial softSerial(2,3);
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MIDI_CREATE_INSTANCE(HardwareSerial, Serial, midiA);
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MIDI_CREATE_INSTANCE(SoftwareSerial, softSerial, midiB);
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#ifdef ARDUINO_SAM_DUE
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MIDI_CREATE_INSTANCE(HardwareSerial, Serial, midiA);
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MIDI_CREATE_INSTANCE(HardwareSerial, Serial1, midiB);
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#else
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#include <SoftwareSerial.h>
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SoftwareSerial softSerial(2,3);
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MIDI_CREATE_INSTANCE(HardwareSerial, Serial, midiA);
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MIDI_CREATE_INSTANCE(SoftwareSerial, softSerial, midiB);
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#endif
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void setup()
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{
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@ -30,7 +34,7 @@ void loop()
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midiA.getData2(),
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midiA.getChannel());
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}
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if (midiB.read())
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{
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// Thru on B has already pushed the input message to out B.
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