void mainloopalgorithms(void) {
performance.xcheck();
while (midiin.getCount() > 0) {
midimessage = midiin.extract();
processMidiCommand(midimessage);
}
}
void start(void) {
comparestate = 1;
sentout.reset(); // initialize the MIDI output storage
receivedin.reset(); // initialize the MIDI input storage
midiinput.setPort(synth.getInputPort());
midiinput.open();
}
int main(void) {
MidiInput midiin;
MidiOutput midiout;
midiout.setPort(0);
midiout.open();
midiin.setPort(0);
midiin.open();
MidiMessage message;
int sysexloc;
unsigned char *sysexdata = NULL;
int sysexsize = 0;
int i;
int running = 1;
cout << "sysexio -- display and echo SYSEX messages from MIDI input" << endl;
cout << "Press Middle C to quit." << endl;
while (running) {
if (midiin.getCount() > 0) {
message = midiin.extract();
if (message.p0() == 0xf0) {
sysexloc = message.p1();
sysexdata = midiin.getSysex(sysexloc);
sysexsize = midiin.getSysexSize(sysexloc);
// print out the sysex data to the screen:
for (i=0; i<sysexsize; i++) {
cout << hex << (int)sysexdata[i] << " ";
if ((i + 1) % 30 == 0) {
cout << endl;
}
}
cout << endl;
// Now echo the messages to MIDI output (as a demo
// for how to send Sysex outputs)
midiout.rawsend(sysexdata, sysexsize);
// As a courtesy, mark the midiin sysex buffer free
// but this is not necessay (it will be erased when
// more space is needed for storing a sysex.
midiin.clearSysex(sysexloc);
} else if ((message.p0() & 0xf0) == 0x90) {
// Exit the program when a middle C note is pressed.
if (message.p1() == 60 && message.p2() > 0) {
running = 0;
}
}
}
}
return 0;
}
int main(int argc, char** argv) {
Options options(argc, argv);
checkOptions(options);
keyboardTimer.setPeriod(10);
int command = 0;
MidiInput midiin;
midiin.setPort(inport);
midiin.open();
MidiEvent midimessage;
performance.read(options.getArg(1).data());
performance.setPort(outport);
performance.setMaxAmp(maxamp);
performance.open();
performance.setTempoMethod(tempoMethod);
performance.play();
while (command != 'Q') {
while (midiin.getCount() > 0) {
midiin.extract(midimessage);
processMidiCommand(midimessage);
}
performance.xcheck();
eventIdler.sleep();
if (keyboardTimer.expired()) {
keyboardTimer.reset();
command = checkKeyboard();
if (command == 'Q') {
break;
} else {
keyboardCommand(command);
}
}
}
return 0;
}
void mainloopalgorithms(void) {
if (comparestate && notetimer.expired()) {
if (notetimer.expired() > 2) {
notetimer.reset();
} else {
notetimer.update();
}
notestate = !notestate;
if (notestate == 1 || notestate == -1) {
synth.play(0, note, 64);
data = 0x90; sentout.insert(data);
data = note; sentout.insert(data);
data = 64; sentout.insert(data);
} else {
synth.play(0, note, 0);
data = 0x90; sentout.insert(data);
data = note; sentout.insert(data);
data = 0; sentout.insert(data);
note += step * direction;
if (note > highestnote) {
note = lowestnote;
}
if (note < lowestnote) {
note = highestnote;
}
}
}
if (midiinput.getCount() > 0) {
message = midiinput.extract();
receivedin.insert(message.p0());
receivedin.insert(message.p1());
receivedin.insert(message.p2());
// check that the messages are identical
if (receivedin.getCount() < 3) {
cout << "Error: not enough received data" << endl;
} else {
checkin[0] = receivedin.extract();
checkin[1] = receivedin.extract();
checkin[2] = receivedin.extract();
}
if (sentout.getCount() < 3) {
cout << "Error: not enough sent data" << endl;
} else {
checkout[0] = sentout.extract();
checkout[1] = sentout.extract();
checkout[2] = sentout.extract();
}
if ((checkout[0] != checkin[0]) || (checkout[1] != checkin[1]) ||
(checkout[2] != checkin[2])) {
synth.rawsend(0xaa, 0x7f, 0x00);
cout << "Error "
<< "output was = (" << hex << (int)checkout[0] << ") "
<< dec << (int)checkout[1] << " "
<< dec << (int)checkout[2] << "\tbut input is = ("
<< hex << (int)checkin[0] << ") "
<< dec << (int)checkin[1] << " "
<< dec << (int)checkin[2] << " "
<< endl;
// assume that a note message was missed.
if (sentout.getCount() < 3) {
cout << "Error: not enough sent data during error" << endl;
} else {
checkout[0] = sentout.extract();
checkout[1] = sentout.extract();
checkout[2] = sentout.extract();
}
stop();
cout << "Press space to restart testing, "
"or press 'S' to silence synth" << endl;
}
}
}