1 package edu.berkeley.obits.device.atmel;
3 import edu.berkeley.obits.*;
4 //import static edu.berkeley.cs.obits.device.atmel.Wires.*;
7 public abstract class AtmelDevice extends Bits implements Device {
9 public static class Util {
10 public static int lutSwap(int x) {
23 public static class Constants {
24 public static final int NONE = -1;
25 public static final int L0 = 0;
26 public static final int L1 = 1;
27 public static final int L2 = 2;
28 public static final int L3 = 3;
29 public static final int L4 = 4;
31 public static final int NORTH = 8;
32 public static final int SOUTH = 9;
33 public static final int EAST = 10;
34 public static final int WEST = 11;
36 public static final int XLUT = 12;
37 public static final int YLUT = 13;
38 public static final int ZMUX = 14;
40 public static final int H4 = 15;
41 public static final int V4 = 16;
43 public static final int NW = 20;
44 public static final int SW = 21;
45 public static final int NE = 22;
46 public static final int SE = 23;
48 public static final int SLOW = 24;
49 public static final int MEDIUM = 25;
50 public static final int FAST = 26;
52 public static final int ALWAYS_ON = 27;
53 public static final int ALWAYS_OFF = 28;
55 public static final int FB = 29;
57 public static final int LUT_SELF = 0xAA;
58 public static final int LUT_Z = 0xF0;
59 public static final int LUT_OTHER = 0xCC;
62 /** issue a command to the device in Mode4 format; see Gosset's documentation for further details */
63 public abstract void mode4(int z, int y, int x, int d) throws DeviceException;
64 public abstract byte mode4(int z, int y, int x);
65 public byte mode4zyx(int zyx) { return mode4(zyx>>24, (zyx>>16)&0xff, (zyx>>8)&0xff); }
66 public void mode4zyx(int zyx, int d, int invmask) { mode4(zyx>>24, (zyx>>16)&0xff, (zyx>>8)&0xff, d, invmask); }
67 public void mode4(int z, int y, int x, int d, int invmask) {
68 int old = mode4(z, y, x);
73 public void mode4zyx(int zyx, int bit, boolean set) { mode4(zyx>>24, (zyx>>16)&0xff, (zyx>>8)&0xff, bit, set); }
74 public void mode4(int z, int y, int x, int bit, boolean set) {
75 int old = mode4(z, y, x);
77 old |= set ? (1 << bit) : 0;
81 public Sector sector(int col, int row) { return new Sector(col, row); }
82 public final class Sector {
85 public Sector(int col, int row) {
86 if (row % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 row");
87 if (col % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 col");
93 public static interface Driver { }
95 public static interface HasPlane { public int getPlane(); }
97 public static interface XI extends Driver { }
98 public static interface YI extends Driver { }
101 public static void foo(Direction f) { }
102 public static enum Direction implements Drives<Y> { N, S, E, W; }
103 public static enum Bar { A, B, C; }
104 public static Object B = new Object();
105 public static Direction foo = null;
114 public class Drives<E extends EPR<E>> { }
115 public class EPR<E extends EPR<E>> {
116 public abstract Drives<E> driver();
117 public abstract void driver(Drives<E>);
120 public class Joins<B extends Bus<B>> { }
121 public abstract class Bus<B extends Bus<B>> {
122 public Set<Joins<E>> drivers();
124 public interface Drives<E extends EPR> { }
127 public static interface EPR {
129 public static interface Drives<E extends EPR> { }
130 public static interface Bus extends EPR { }
131 public static interface Joins<J extends Joins, B extends Bus & Joins<B,J>> extends Bus { }
132 //public static interface Joins<B extends Bus> extends Bus { }
133 public static interface Has<E extends EPR> {
134 public Drives<E> getDriver(E e);
135 public void setDriver(E e, Drives<E> driver);
137 //public static interface HasBus<B extends Bus> { public Set<OnBus<B>> on(B b); }
138 public interface Input { }
139 public interface Output { }
140 public interface InOut { }
142 public static abstract class LUT<A extends EPR, B extends EPR, C extends EPR> implements EPR { }
143 public static abstract class And<A extends EPR, B extends EPR> implements EPR { }
144 public static abstract class Reg<A extends EPR> { }
145 public static abstract class Mux<Sel extends EPR, Zero extends EPR, One extends EPR> { }
146 public static abstract class Buf<Sel extends EPR> { }
148 public enum DiagonalInputs implements Input, Drives<X> { NW, SW, NE, SE; }
149 public enum OrthogonalInputs implements Input, Drives<Y> { N, S, E, W; }
151 public <X extends Drives<Y>, Y extends EPR> void connect(X x, Y y) { }
153 public static enum Plane { P0, P1, P2, P3, P4; }
154 public static class L<P extends Plane> implements Bus, Drives<X>, Drives<Y>, Drives<Z>, Drives<W> { }
156 public final class Cell {
157 public class X implements EPR, Drives<XLUT>, Drives<YLUT> { }
158 public class Y implements EPR, Drives<XLUT>, Drives<YLUT> { }
159 public class Z implements EPR, Drives<A>, Drives<WZ> { }
160 public class F implements EPR, Drives<A>, Drives<WF>, Drives<OB> { }
161 public class W implements EPR, Drives<A>, Drives<WZ>, Drives<WF> { }
162 public class A implements EPR { }
163 public class WZ extends And<W, Z> implements EPR, Drives<XLUT>, Drives<YLUT> { }
164 public class WF extends And<W, F> implements EPR, Drives<XLUT>, Drives<YLUT> { }
165 public class CM extends Mux<Z, Y, X> implements EPR, Drives<C> { }
166 public class XLUT extends LUT<X, Y, A> implements EPR, Drives<CM>, Drives<XO> { }
167 public class YLUT extends LUT<A, X, Y> implements EPR, Drives<CM>, Drives<YO> { }
168 public class C implements EPR, Drives<R>, Drives<F> { }
169 public class R extends Reg<C> implements EPR, Drives<F>, Drives<XO>, Drives<YO>{ }
170 public class XO implements EPR, Output { }
171 public class YO implements EPR, Output { }
172 public static class OB extends Buf<F>> implements EPR, Drives<L0>, Drives<L1>, Drives<L2>, Drives<L3>, Drives<L4> { }
175 //public static L1 L1 = new L1();
177 public static class CellImpl implements
180 public void setDriver(X x, Drives<X> d) { }
181 public void setDriver(Y y, Drives<Y> d) { }
182 public void setDriver(Z z, Drives<Z> d) { }
183 public void setDriver(W w, Drives<W> d) { }
184 public Drives<X> getDriver(X x) { return null; }
185 public Drives<Y> getDriver(Y y) { return null; }
186 public Drives<Z> getDriver(Z z) { return null; }
187 public Drives<W> getDriver(W w) { return null; }
189 public Set<OnBus<L1>> on(L1 l1) { return null; }
190 public Drives<Y> getDriver(Y y) { return null; }
191 public void setDriver(Y y, Drives<Y> d) { }
195 public static abstract class L<D extends C> implements HasPlane, EPR<C> {
196 private final int plane;
197 L(int plane) { this.plane = plane; }
198 public int getPlane() { return plane; }
200 public void h(boolean connected);
202 public void v(boolean connected);
204 public void f(boolean connected);
215 public static enum L implements XI, YI {
216 L0(0), L1(1), L2(2), L3(3) { public int foo() { return 2; } }, L4(4);
218 public final int plane;
219 public L(int plane) { this.plane = plane; }
224 //public static interface L0 extends XI, YI { } public static L0 L0 = new L0() { };
228 public static enum Xi { NONE, L0, L1, L2, L3, NW, SW, NE, SE, L4; }
229 public static enum Yi { NONE, L0, L1, L2, L3, E, W, S, N, L4; }
230 public static enum Wi { NONE, L0, L1, L4, L3, L2; }
231 public static enum Zi { NONE, L0, L1, L2, L3, L4; }
232 public static enum Ti { W, Z, F, WZ, WF, ONE; }
233 public static enum Ci { X, Y, CMux; }
234 public static enum Fi { R, C; }
235 public static enum Bi { R, C; }
236 public static enum Xo { X, B; }
237 public static enum Yo { Y, B; }
238 public static enum Oe { ONE, H4, V4; }
240 public Cell cell(int col, int row) { return new Cell(col, row); }
241 public final class Cell {
242 public final int col;
243 public final int row;
245 /** assumes LITTLE endian */
247 protected int onehot(int val) {
249 for(int i=0; i<32; i++) {
250 if ((val & (1 << i)) != 0) {
251 if (ret != -1) throw new Error("two bits set in a one-hot encoded value");
257 protected int bits(int octet, int bit, int count) {
258 return AtmelDevice.this.bits.get(offset, count);
261 public void set(Xi xi) { }
262 public void set(Yi xi) { }
263 public void set(Ti xi) { }
264 public void set(Ci xi) { }
265 public void set(Fi xi) { }
266 public void set(Bi xi) { }
267 public void set(Xo xo) { }
268 public void set(Yo yo) { }
269 public void set(Oe oe) { }
271 public Xi xi() { return Xi.values()[onehot((bits(3,3,1)<<8)|bits(5,0,8))]; }
272 public Yi yi() { return Yi.values()[onehot((bits(2,1,1)<<8)|bits(4,0,8))]; }
273 public Wi wi() { return Wi.values()[onehot((bits(3,0,3)<<2)|bits(3,4,2))]; }
274 public Zi zi() { return Zi.values()[onehot((bits(2,0,1)<<4)|bits(2,2,4))]; }
275 public Ti ti() { return null; }
276 public Ci ci() { return null; }
277 public Fi fi() { return null; }
278 public Bi bi() { return null; }
279 public Xo xo() { return Xo.values()[onehot(bits(1,6,1))]; }
280 public Yo yo() { return Yo.values()[onehot(bits(1,7,1))]; }
281 public Oe oe() { return Oe.values()[onehot(bits(3,6,2))]; }
283 public Sector getSector() { return sector(col - (col % 4), row - (row % 4)); }
284 public Cell(int col, int row) {
292 public static enum EPR { L0, L1, L2, L3, L4 }
293 public static enum XInputDriver extends InputDriver {
294 public static enum YInputDriver extends InputDriver { N, S, E, W }
295 public XInputDriver xi() { }
296 public void xi(XInputDriver) { }
297 public YInputDriver yi() { }
298 public void yi(YInputDriver) { }
299 public InputDriver zi() { }
300 public void zi(InputDriver) { }
301 public InputDriver wi() { }
302 public void wi(InputDriver) { }
304 public byte xlut() { }
305 public xlut(byte) { }
306 public byte ylut() { }
307 public ylut(byte) { }
309 public static enum CInputDriver { XL, YL, C }
310 public static enum FDriver { R, C }
312 public boolean cRegistered() { }