public void pull(FrameBuffer frameBuffer) {
frameBuffer.put(address64.array());
frameBuffer.putInt8(options);
if (packet != null) {
frameBuffer.put(packet);
}
}
public void run() {
try {
System.out.println("XModem Send Transcation Start...");
byte b = receive(false, 60000);
if (b == CAN) {
System.out.println("Cancel!!");
return;
} else if (b == -1) {
System.out.println("60sec Timeout!");
return;
}
if (b == C) {
System.out.println("XModem/CRC Detect");
crcMode = true;
crc16 = new CRC16CCITT(false);
} else if (b == NAK) {
System.out.println("XModem/Checsum Detect");
crcMode = false;
}
System.out.println("Begin...");
for (int block = 0; block < getBlockLength(); block++) {
System.out.println("Fill Block #" + block);
updateCurrentBlock(block);
// Fill block
XBlock xblock = new XBlock();
xblock.setSequence((byte) (block + 1));
int blockLen = XBlock.DATA_SIZE;
if (rawDataBuffer.getRemaining() < XBlock.DATA_SIZE) {
blockLen = rawDataBuffer.getRemaining();
}
byte[] rawBlock = new byte[blockLen];
rawDataBuffer.get(rawBlock);
xblock.setData(rawBlock);
// Fill Buffer
writeFrameBuffer.rewind();
writeFrameBuffer.put(SOH);
xblock.pull(writeFrameBuffer);
addCRC();
// Send Buffer
send();
}
System.out.println("End Stream");
writeFrameBuffer.rewind();
writeFrameBuffer.put(EOT);
send();
System.out.println("Transaction Done.");
} catch (IOException ex) {
ex.printStackTrace();
}
try {
Thread.sleep(1000);
int a = is.available();
System.out.println("AVL: " + a);
is.read(readBuffer, 0, a);
System.out.println(new String(readBuffer, 0, a));
} catch (Exception ex) {
}
setReady(true);
}
private void addCRC() {
if (crcMode) {
crc16.reset(0);
for (int i = 0; i < XBlock.DATA_SIZE; i++) {
crc16.update(writeBuffer[3 + i]);
}
writeFrameBuffer.putInt16(crc16.getCRC());
} else {
int cs = 0;
for (int i = 0; i < XBlock.DATA_SIZE; i++) {
cs += writeBuffer[3 + i];
}
writeFrameBuffer.putInt8(cs);
}
}
private void send() throws IOException {
for (int i = 0; i < MAX_RETRY; i++) {
System.out.println("Send #" + i);
Commons.printDev(
writeFrameBuffer.getRawArray(),
writeFrameBuffer.getOffset(),
writeFrameBuffer.getPosition(),
false);
os.write(
writeFrameBuffer.getRawArray(),
writeFrameBuffer.getOffset(),
writeFrameBuffer.getPosition());
os.flush();
byte b = receive(true, 10000);
if (b == CAN) {
throw new IOException("Cancel");
} else if (b == ACK) {
return;
}
}
throw new IOException("Timeout");
}
public XSendThread() {
writeFrameBuffer.setByteOrder(FrameBuffer.BO_BIG_ENDIAN);
}
