package edu.berkeley.obits.device.atmel;
+import com.atmel.fpslic.*;
+import edu.berkeley.slipway.*;
import edu.berkeley.obits.*;
import org.ibex.util.Log;
import java.io.*;
import gnu.io.*;
/** the "host" side of the AVR Drone; see AvrDrone.c for the other side */
-public class AvrDrone extends AtmelDevice {
+public class AvrDrone extends Fpslic {
private final DataInputStream in;
private final DataOutputStream out;
init();
}
- public void reset() { board.reset(); }
+ public void reset() throws IOException {
+ board.reset();
+ }
private void init() throws IOException {
- //board.reset();
- Log.debug(this, "waiting for device to identify itself");
- if (in.readByte() != (byte)'O') throw new RuntimeException("didn't get the proper signature");
- if (in.readByte() != (byte)'B') throw new RuntimeException("didn't get the proper signature");
- if (in.readByte() != (byte)'I') throw new RuntimeException("didn't get the proper signature");
- if (in.readByte() != (byte)'T') throw new RuntimeException("didn't get the proper signature");
- if (in.readByte() != (byte)'S') throw new RuntimeException("didn't get the proper signature");
- if (in.readByte() != (byte)'\n') throw new RuntimeException("didn't get the proper signature");
- Log.info(this, "device correctly identified itself; ready for operation");
+ byte[] bytes = new byte[6];
+ int i=0;
+
+ out.write(0);
+ out.flush();
+
+ // read any crap that might be left in the buffer
+ while(true) {
+ System.arraycopy(bytes, 1, bytes, 0, 5);
+ bytes[5] = in.readByte();
+ i++;
+ System.out.print("\rsignature: read \"" + new String(bytes) + "\" ");
+ if (bytes[0] == (byte)'O' &&
+ bytes[1] == (byte)'B' &&
+ bytes[2] == (byte)'I' &&
+ bytes[3] == (byte)'T' &&
+ bytes[4] == (byte)'S') {
+ System.out.println("\rsignature: got proper signature ");
+ break;
+ }
+ }
+
}
- public synchronized void scanFPGA(boolean on) throws DeviceException {
- try {
- if (on) {
- out.writeByte(3);
- out.flush();
- } else {
- // FIXME
- }
- } catch (IOException e) { throw new DeviceException(e); }
+ 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() throws DeviceException {
+ public synchronized int readCount() {
try {
if (reader != null) {
reader.start();
bc.wait();
}
return retval;
- } catch (Exception e) { throw new DeviceException(e); }
+ } catch (Exception e) { throw new RuntimeException(e); }
}
public static interface ByteCallback {
}
};
- public synchronized void readBus(ByteCallback bc) throws DeviceException {
- try {
- callbacks.add(bc);
- out.writeByte(2);
- out.flush();
- if (reader != null) {
- reader.start();
- reader = null;
- }
- } catch (IOException e) { throw new DeviceException(e); }
+ public synchronized void readBus(ByteCallback bc) throws IOException {
+ callbacks.add(bc);
+ out.writeByte(2);
+ out.flush();
+ if (reader != null) {
+ reader.start();
+ reader = null;
+ }
}
- public synchronized void readInterrupts(ByteCallback bc) throws DeviceException {
- try {
- callbacks.add(bc);
- out.writeByte(6);
- out.flush();
- if (reader != null) {
- reader.start();
- reader = null;
- }
- } catch (IOException e) { throw new DeviceException(e); }
+ public synchronized void readInterrupts(ByteCallback bc) throws IOException {
+ callbacks.add(bc);
+ out.writeByte(6);
+ out.flush();
+ if (reader != null) {
+ reader.start();
+ reader = null;
+ }
}
private byte[][][] cache = new byte[24][][];
- public /*synchronized*/ byte mode4(int z, int y, int x) throws DeviceException {
+ public /*synchronized*/ 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 lasty = 0;
public static int save = 0;
public static int saveof = 0;
- public /*synchronized*/ void mode4(int z, int y, int x, int d) throws DeviceException {
+ public /*synchronized*/ void mode4(int z, int y, int x, int d) {
try {
- /*
- Log.info(this, "writing configuration frame [zyxd]: " +
- pad(1, Integer.toString(z&0xff, 16)) + " " +
- pad(1, Integer.toString(y&0xff, 16)) + " " +
- pad(1, Integer.toString(x&0xff, 16)) + " " +
- pad(1, Integer.toString(d&0xff, 16))
- );
- */
- boolean zchange = z!=lastz;
- boolean ychange = y!=lasty;
- boolean xchange = x!=lastx;
- boolean zinc = z==lastz+1;
- boolean yinc = y==lasty+1;
- boolean xinc = x==lastx+1;
- boolean zdec = z==lastz-1;
- boolean ydec = y==lasty-1;
- boolean xdec = x==lastx-1;
-
out.writeByte(1);
out.writeByte(z);
out.writeByte(y);
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 DeviceException(e); }
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
}
- public /*synchronized*/ void flush() throws DeviceException {
+ public /*synchronized*/ void flush() {
try {
out.flush();
- } catch (IOException e) { throw new DeviceException(e); }
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
}
private String pad(int i, String s) { if (s.length()>i) return s; return "0"+pad((i-1),s); }
projects / slipway.git / blobdiff