out = new DataOutputStream(chip.getOutputStream());
for(int i=0; i<255; i++) out.write(0);
out.flush();
+ init();
}
- public void reset() throws IOException {
- chip.reset();
- }
+ public void reset() throws IOException { chip.reset(); }
public void boot(Reader r) throws Exception {
-
chip.selfTest();
int total = 75090/9;
os.close();
}
- public static String pad(String s, int i) {
- if (s.length() >= i) return s;
- return "0"+pad(s, i-1);
- }
-
// AvrDrone leftovers //////////////////////////////////////////////////////////////////////////////
bytes[3] == (byte)'T' &&
bytes[4] == (byte)'S') {
System.out.println("\rsignature: got proper signature ");
+ chip.purge();
break;
}
}
- }
-
- public synchronized void scanFPGA(boolean on) throws IOException {
- if (on) {
- out.writeByte(3);
- out.flush();
- } else {
- // FIXME
- }
- }
- // fixme!
- public static int retval = 0;
- public synchronized int readCount() {
- try {
- if (reader != null) {
- reader.start();
- reader = null;
- }
- ByteCallback bc = new ByteCallback() {
- public synchronized void call(byte b) throws Exception {
- retval =
- ((b & 0xff) << 24) |
- ((in.read() & 0xff) << 16) |
- ((in.read() & 0xff) << 8) |
- ((in.read() & 0xff) << 0);
- this.notify();
- }
- };
- synchronized(bc) {
- callbacks.add(bc);
- out.writeByte(6);
- out.flush();
- bc.wait();
- }
- return retval;
- } catch (Exception e) { throw new RuntimeException(e); }
- }
-
- public static interface ByteCallback {
- public void call(byte b) throws Exception;
- }
-
- private Vector callbacks = new Vector();
-
- private Thread reader = new Thread() {
+ // FIXME: what if init() is called twice?
+ new Thread() {
public void run() {
- System.out.println("*** reader thread begun");
while(true) {
try {
+ while(callbacks.size() == 0) Thread.sleep(500);
byte b = in.readByte();
ByteCallback bc = (ByteCallback)callbacks.remove(0);
+ //System.out.println("readback " + b + " in " + (System.currentTimeMillis()-bc.time));
bc.call(b);
+ synchronized(lock) {
+ lock.notifyAll();
+ }
} catch (Exception e) {
e.printStackTrace();
}
}
}
- };
-
- public synchronized void readBus(ByteCallback bc) throws IOException {
- callbacks.add(bc);
- out.writeByte(2);
- out.flush();
- if (reader != null) {
- reader.start();
- reader = null;
- }
+ }.start();
}
- public synchronized void readInterrupts(ByteCallback bc) throws IOException {
- callbacks.add(bc);
- out.writeByte(6);
- out.flush();
- if (reader != null) {
- reader.start();
- reader = null;
- }
- }
+
+ // Programming ///////////////////////////////////////////////////////////////////////////////
private byte[][][] cache = new byte[24][][];
- public /*synchronized*/ byte mode4(int z, int y, int x) {
+ public byte mode4(int z, int y, int x) {
if (cache[x]==null) return 0;
if (cache[x][y]==null) return 0;
return cache[x][y][z];
}
- int lastz = 0;
- int lastx = 0;
- int lasty = 0;
- public static int save = 0;
- public static int saveof = 0;
- public /*synchronized*/ void mode4(int z, int y, int x, int d) {
+ public synchronized void mode4(int z, int y, int x, int d) {
try {
+ if (cache[x & 0xff]==null) cache[x & 0xff] = new byte[24][];
+ if (cache[x & 0xff][y & 0xff]==null) cache[x & 0xff][y & 0xff] = new byte[256];
+ cache[x & 0xff][y & 0xff][z & 0xff] = (byte)(d & 0xff);
+
out.writeByte(1);
out.writeByte(z);
out.writeByte(y);
out.writeByte(x);
- saveof++;
- lastz = z;
- lastx = x;
- lasty = y;
out.writeByte(d);
-
- if (cache[x & 0xff]==null) cache[x & 0xff] = new byte[24][];
- if (cache[x & 0xff][y & 0xff]==null) cache[x & 0xff][y & 0xff] = new byte[256];
- cache[x & 0xff][y & 0xff][z & 0xff] = (byte)(d & 0xff);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
- public /*synchronized*/ void flush() {
- try {
- out.flush();
- } catch (IOException e) {
- throw new RuntimeException(e);
+ public void flush() { try { out.flush(); } catch (IOException e) { throw new RuntimeException(e); } }
+
+
+ // Callbacks //////////////////////////////////////////////////////////////////////////////
+
+ private Vector callbacks = new Vector();
+
+ private Object lock = new Object();
+ private static final int limit = 40;
+
+ private void enqueue(ByteCallback bcb) {
+ synchronized(lock) {
+ try {
+ while (callbacks.size() >= limit) {
+ lock.wait(100);
+ }
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
}
+ bcb.time = System.currentTimeMillis();
+ callbacks.add(bcb);
+ }
+
+ public static abstract class ByteCallback {
+ public int result;
+ public long time;
+ public abstract void call(byte b) throws Exception;
}
+ public synchronized int readCount() {
+ try {
+ ByteCallback bc = new ByteCallback() {
+ public synchronized void call(byte b) throws Exception {
+ result =
+ ((b & 0xff) << 24) |
+ ((in.read() & 0xff) << 16) |
+ ((in.read() & 0xff) << 8) |
+ ((in.read() & 0xff) << 0);
+ this.notify();
+ }
+ };
+ synchronized(bc) {
+ enqueue(bc);
+ out.writeByte(3);
+ out.flush();
+ bc.wait();
+ }
+ return bc.result;
+ } catch (Exception e) { throw new RuntimeException(e); }
+ }
+
+ public synchronized void readBus(ByteCallback bc) throws IOException {
+ enqueue(bc);
+ out.writeByte(2);
+ out.flush();
+ }
+
+ public synchronized void readInterrupts(ByteCallback bc) throws IOException {
+ enqueue(bc);
+ out.writeByte(3);
+ out.flush();
+ }
+
+
+ // Util //////////////////////////////////////////////////////////////////////////////
+
private String pad(int i, String s) { if (s.length()>i) return s; return "0"+pad((i-1),s); }
+ public static String pad(String s, int i) {
+ if (s.length() >= i) return s;
+ return "0"+pad(s, i-1);
+ }
}
projects / slipway.git / blobdiff