diff options
Diffstat (limited to 'Bootloaders/Incomplete/MIDI/JavaHost')
| -rw-r--r-- | Bootloaders/Incomplete/MIDI/JavaHost/BIN2BOOT.java | 178 | ||||
| -rw-r--r-- | Bootloaders/Incomplete/MIDI/JavaHost/MIDIMessageReceiver.java | 33 |
2 files changed, 211 insertions, 0 deletions
diff --git a/Bootloaders/Incomplete/MIDI/JavaHost/BIN2BOOT.java b/Bootloaders/Incomplete/MIDI/JavaHost/BIN2BOOT.java new file mode 100644 index 000000000..f30998ad5 --- /dev/null +++ b/Bootloaders/Incomplete/MIDI/JavaHost/BIN2BOOT.java @@ -0,0 +1,178 @@ +import javax.sound.midi.*;
+import javax.sound.midi.MidiMessage.*;
+import java.io.RandomAccessFile;
+
+class BIN2BOOT
+{
+ private static final int MIDI_CONTROL_CHANNEL = 9;
+ private static final int MIDI_DATA_CHANNEL = 0;
+
+ private static final int CONTROL_DEVICE_READY = 0xD1;
+ private static final int CONTROL_ENTER_PROG_MODE = 0xDC;
+ private static final int CONTROL_LEAVE_PROG_MODE = 0xDF;
+ private static final int CONTROL_GET_PAGE_SIZE = 0x01;
+
+ public static void main(String[] args)
+ {
+ if (args.length != 1)
+ {
+ System.out.println("BIN2BOOT - USB-MIDI bootloader");
+ System.out.println(" Usage: java BIN2BOOT {input}.bin");
+ }
+
+ RandomAccessFile inFile = null;
+
+ try
+ {
+ inFile = new RandomAccessFile(args[0], "r");
+ }
+ catch (Exception e)
+ {
+ System.out.println("Could not open input file!");
+ return;
+ }
+
+ MidiDevice currDevice = null;
+ Receiver midiOut = null;
+ Transmitter midiIn = null;
+ MIDIMessageReceiver midiInMessages = new MIDIMessageReceiver();
+
+ try
+ {
+ MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
+
+ for (MidiDevice.Info info : infos)
+ {
+ currDevice = MidiSystem.getMidiDevice(info);
+
+ if (!(currDevice instanceof Sequencer) && !(currDevice instanceof Synthesizer))
+ {
+ if (info.getName().indexOf("LUFA") == -1)
+ continue;
+
+ System.out.println(" MIDI Device: " + info.getName());
+
+ currDevice.open();
+
+ if (currDevice.getMaxReceivers() != 0)
+ {
+ midiOut = currDevice.getReceiver();
+ break;
+ }
+
+ if (currDevice.getMaxTransmitters() != 0)
+ {
+ midiIn = currDevice.getTransmitter();
+ midiIn.setReceiver(midiInMessages);
+ }
+ }
+ }
+
+ if ((midiOut == null) || (midiIn == null))
+ {
+ System.out.println("Could not find suitable MIDI device!");
+ return;
+ }
+ }
+ catch (Exception e)
+ {
+ System.out.println("Could not enumerate MIDI devices!");
+ return;
+ }
+
+ System.out.println("PROGRAMMING FILE...");
+
+ ProgramFirmware(inFile, midiOut, midiInMessages);
+
+ System.out.println("DONE.");
+
+ try
+ {
+ midiOut.close();
+ midiIn.close();
+ currDevice.close();
+ inFile.close();
+ }
+ catch (Exception e)
+ {
+ System.out.println("ERROR: Could not close open resources.");
+ }
+ }
+
+ private static void ProgramFirmware(RandomAccessFile inFile, Receiver midiOut, MIDIMessageReceiver midiInMessages)
+ {
+ try
+ {
+ System.out.println("Entering Programming Mode...");
+ sendByteViaMIDI(midiOut, MIDI_CONTROL_CHANNEL, CONTROL_ENTER_PROG_MODE);
+
+ int[] messageData;
+ do
+ {
+ messageData = receiveByteViaMIDI(midiInMessages);
+ }
+ while ((messageData[0] != MIDI_CONTROL_CHANNEL) && (messageData[1] != CONTROL_DEVICE_READY));
+
+ System.out.println("Getting Page Size...");
+ sendByteViaMIDI(midiOut, MIDI_CONTROL_CHANNEL, CONTROL_GET_PAGE_SIZE);
+
+ int nextByte = inFile.read();
+ while (nextByte != -1)
+ {
+ sendByteViaMIDI(midiOut, 9, nextByte);
+
+ if ((inFile.getFilePointer() % (inFile.length() / 100)) == 0)
+ System.out.println(" LOADING: " + (int)(inFile.getFilePointer() / (inFile.length() / 100.0)) + "%...");
+
+ nextByte = inFile.read();
+ }
+
+ sendByteViaMIDI(midiOut, MIDI_CONTROL_CHANNEL, CONTROL_LEAVE_PROG_MODE);
+ }
+ catch (Exception e)
+ {
+ System.out.println("ERROR: Could not send data to device.");
+ }
+ }
+
+ private static void sendByteViaMIDI(Receiver midiOut, int channel, int data)
+ {
+ ShortMessage sendMessage = new ShortMessage();
+
+ try
+ {
+ sendMessage.setMessage(ShortMessage.NOTE_ON, channel, (data & 0x7F), (((data & 0x80) == 0x80) ? 64 : 32));
+ midiOut.send(sendMessage, -1);
+
+// try {Thread.sleep(1);} catch (Exception e) {}
+
+ sendMessage.setMessage(ShortMessage.NOTE_OFF, channel, (data & 0x7F), (((data & 0x80) == 0x80) ? 64 : 32));
+ midiOut.send(sendMessage, -1);
+ }
+ catch (Exception e)
+ {
+ System.out.println("ERROR: Could not send MIDI note press.");
+ }
+ }
+
+ private static int[] receiveByteViaMIDI(MIDIMessageReceiver midiInReceiver)
+ {
+ byte[] messageData;
+
+ do
+ {
+ while (!(midiInReceiver.hasReceived()));
+ messageData = midiInReceiver.receive().getMessage();
+ }
+ while ((messageData[0] & 0xF0) != ShortMessage.NOTE_ON);
+
+ int channel = (messageData[0] & 0x0F);
+ int data = (messageData[1] | ((messageData[2] == 64) ? 0x80 : 0x00));
+
+ int[] formattedMessageData = new int[2];
+ formattedMessageData[0] = channel;
+ formattedMessageData[1] = data;
+
+ return formattedMessageData;
+ }
+}
\ No newline at end of file diff --git a/Bootloaders/Incomplete/MIDI/JavaHost/MIDIMessageReceiver.java b/Bootloaders/Incomplete/MIDI/JavaHost/MIDIMessageReceiver.java new file mode 100644 index 000000000..0fcaaead9 --- /dev/null +++ b/Bootloaders/Incomplete/MIDI/JavaHost/MIDIMessageReceiver.java @@ -0,0 +1,33 @@ +import java.util.PriorityQueue;
+import javax.sound.midi.*;
+import javax.sound.midi.MidiMessage.*;
+
+class MIDIMessageReceiver implements Receiver
+{
+ private PriorityQueue<MidiMessage> messages;
+
+ MIDIMessageReceiver()
+ {
+ messages = new PriorityQueue<MidiMessage>();
+ }
+
+ public void send(MidiMessage message, long timeStamp)
+ {
+ messages.add(message);
+ }
+
+ public boolean hasReceived()
+ {
+ return (messages.size() != 0);
+ }
+
+ public MidiMessage receive()
+ {
+ return messages.poll();
+ }
+
+ public void close()
+ {
+
+ }
+}
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