void MidiDriver_DMEDIA::send(uint32 b) {
MDevent event;
byte status_byte = (b & 0x000000FF);
byte first_byte = (b & 0x0000FF00) >> 8;
byte second_byte = (b & 0x00FF0000) >> 16;
event.sysexmsg = NULL;
event.msg[0] = status_byte;
event.msg[1] = first_byte;
event.msg[2] = second_byte;
switch (status_byte & 0xF0) {
case 0x80: // Note Off
case 0x90: // Note On
case 0xA0: // Polyphonic Aftertouch
case 0xB0: // Controller Change
case 0xE0: // Pitch Bending
event.msglen = 3;
break;
case 0xC0: // Programm Change
case 0xD0: // Monophonic Aftertouch
event.msglen = 2;
break;
default:
warning("DMediaMIDI driver encountered unsupported status byte: 0x%02x", status_byte);
event.msglen = 3;
break;
}
if (mdSend(_midiPort, &event, 1) != 1) {
warning("failed sending MIDI event (dump follows...)");
warning("MIDI Event (len=%u):", event.msglen);
for (int i = 0; i < event.msglen; i++) warning("%02x ", (int)event.msg[i]);
}
}
int mus_midi_write(int line, unsigned char *buffer, int bytes)
{
int i;
MDevent mdv;
if ((line < 0) || (line >= midis)) return(-1);
if (midi_directions[line] == MIDI_WRITE)
{
/* no sysex for now */
mdv.sysexmsg = NULL;
mdv.msglen = 0;
for (i = 0; i < bytes; i += 3)
{
mdv.msg[0] = buffer[i];
mdv.msg[1] = buffer[i + 1];
mdv.msg[2] = buffer[i + 2];
mdSend(midi_lines[line], &mdv, 1);
}
return(bytes);
}
#ifdef NO_SNDLIB
fprintf(stderr, "can't write to input %s\n", midi_names[line]);
return(-1);
#else
return(mus_error(MUS_MIDI_WRITE_ERROR, "can't write to input %s", midi_names[line]));
#endif
}
void MidiDriver_DMEDIA::sysEx (const byte *msg, uint16 length) {
MDevent event;
char buf [1024];
assert(length + 2 <= 256);
memcpy(buf, msg, length);
buf[length] = MD_EOX;
event.sysexmsg = buf;
event.msglen = length;
event.msg[0] = MD_SYSEX;
event.msg[1] = 0;
event.msg[2] = 0;
if (mdSend(_midiPort, &event, 1) != 1) {
fprintf(stderr, "failed sending MIDI SYSEX event (dump follows...)\n");
for (int i = 0; i < event.msglen; i++) warning("%02x ", (int)event.msg[i]);
}
}