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 Constants {
10 public static final int NONE = -1;
11 public static final int L0 = 0;
12 public static final int L1 = 1;
13 public static final int L2 = 2;
14 public static final int L3 = 3;
15 public static final int L4 = 4;
17 public static final int NORTH = 8;
18 public static final int SOUTH = 9;
19 public static final int EAST = 10;
20 public static final int WEST = 11;
22 public static final int XLUT = 12;
23 public static final int YLUT = 13;
24 public static final int ZMUX = 14;
26 public static final int H4 = 15;
27 public static final int V4 = 16;
29 public static final int NW = 20;
30 public static final int SW = 21;
31 public static final int NE = 22;
32 public static final int SE = 23;
35 /** issue a command to the device in Mode4 format; see Gosset's documentation for further details */
36 public abstract void mode4(int z, int y, int x, int d) throws DeviceException;
37 public abstract byte mode4(int z, int y, int x);
38 public void mode4(int z, int y, int x, int d, int invmask) {
39 int old = mode4(z, y, x);
44 public void mode4(int z, int y, int x, int bit, boolean set) {
45 int old = mode4(z, y, x);
47 old |= set ? (1 << bit) : 0;
51 public Sector sector(int col, int row) { return new Sector(col, row); }
52 public final class Sector {
55 public Sector(int col, int row) {
56 if (row % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 row");
57 if (col % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 col");
63 public static interface Driver { }
65 public static interface HasPlane { public int getPlane(); }
67 public static interface XI extends Driver { }
68 public static interface YI extends Driver { }
71 public static void foo(Direction f) { }
72 public static enum Direction implements Drives<Y> { N, S, E, W; }
73 public static enum Bar { A, B, C; }
74 public static Object B = new Object();
75 public static Direction foo = null;
84 public class Drives<E extends EPR<E>> { }
85 public class EPR<E extends EPR<E>> {
86 public abstract Drives<E> driver();
87 public abstract void driver(Drives<E>);
90 public class Joins<B extends Bus<B>> { }
91 public abstract class Bus<B extends Bus<B>> {
92 public Set<Joins<E>> drivers();
94 public interface Drives<E extends EPR> { }
97 public static interface EPR {
99 public static interface Drives<E extends EPR> { }
100 public static interface Bus extends EPR { }
101 public static interface Joins<J extends Joins, B extends Bus & Joins<B,J>> extends Bus { }
102 //public static interface Joins<B extends Bus> extends Bus { }
103 public static interface Has<E extends EPR> {
104 public Drives<E> getDriver(E e);
105 public void setDriver(E e, Drives<E> driver);
107 //public static interface HasBus<B extends Bus> { public Set<OnBus<B>> on(B b); }
108 public interface Input { }
109 public interface Output { }
110 public interface InOut { }
112 public static abstract class LUT<A extends EPR, B extends EPR, C extends EPR> implements EPR { }
113 public static abstract class And<A extends EPR, B extends EPR> implements EPR { }
114 public static abstract class Reg<A extends EPR> { }
115 public static abstract class Mux<Sel extends EPR, Zero extends EPR, One extends EPR> { }
116 public static abstract class Buf<Sel extends EPR> { }
118 public enum DiagonalInputs implements Input, Drives<X> { NW, SW, NE, SE; }
119 public enum OrthogonalInputs implements Input, Drives<Y> { N, S, E, W; }
121 public <X extends Drives<Y>, Y extends EPR> void connect(X x, Y y) { }
123 public static enum Plane { P0, P1, P2, P3, P4; }
124 public static class L<P extends Plane> implements Bus, Drives<X>, Drives<Y>, Drives<Z>, Drives<W> { }
126 public final class Cell {
127 public class X implements EPR, Drives<XLUT>, Drives<YLUT> { }
128 public class Y implements EPR, Drives<XLUT>, Drives<YLUT> { }
129 public class Z implements EPR, Drives<A>, Drives<WZ> { }
130 public class F implements EPR, Drives<A>, Drives<WF>, Drives<OB> { }
131 public class W implements EPR, Drives<A>, Drives<WZ>, Drives<WF> { }
132 public class A implements EPR { }
133 public class WZ extends And<W, Z> implements EPR, Drives<XLUT>, Drives<YLUT> { }
134 public class WF extends And<W, F> implements EPR, Drives<XLUT>, Drives<YLUT> { }
135 public class CM extends Mux<Z, Y, X> implements EPR, Drives<C> { }
136 public class XLUT extends LUT<X, Y, A> implements EPR, Drives<CM>, Drives<XO> { }
137 public class YLUT extends LUT<A, X, Y> implements EPR, Drives<CM>, Drives<YO> { }
138 public class C implements EPR, Drives<R>, Drives<F> { }
139 public class R extends Reg<C> implements EPR, Drives<F>, Drives<XO>, Drives<YO>{ }
140 public class XO implements EPR, Output { }
141 public class YO implements EPR, Output { }
142 public static class OB extends Buf<F>> implements EPR, Drives<L0>, Drives<L1>, Drives<L2>, Drives<L3>, Drives<L4> { }
145 //public static L1 L1 = new L1();
147 public static class CellImpl implements
150 public void setDriver(X x, Drives<X> d) { }
151 public void setDriver(Y y, Drives<Y> d) { }
152 public void setDriver(Z z, Drives<Z> d) { }
153 public void setDriver(W w, Drives<W> d) { }
154 public Drives<X> getDriver(X x) { return null; }
155 public Drives<Y> getDriver(Y y) { return null; }
156 public Drives<Z> getDriver(Z z) { return null; }
157 public Drives<W> getDriver(W w) { return null; }
159 public Set<OnBus<L1>> on(L1 l1) { return null; }
160 public Drives<Y> getDriver(Y y) { return null; }
161 public void setDriver(Y y, Drives<Y> d) { }
165 public static abstract class L<D extends C> implements HasPlane, EPR<C> {
166 private final int plane;
167 L(int plane) { this.plane = plane; }
168 public int getPlane() { return plane; }
170 public void h(boolean connected);
172 public void v(boolean connected);
174 public void f(boolean connected);
185 public static enum L implements XI, YI {
186 L0(0), L1(1), L2(2), L3(3) { public int foo() { return 2; } }, L4(4);
188 public final int plane;
189 public L(int plane) { this.plane = plane; }
194 //public static interface L0 extends XI, YI { } public static L0 L0 = new L0() { };
198 public static enum Xi { NONE, L0, L1, L2, L3, NW, SW, NE, SE, L4; }
199 public static enum Yi { NONE, L0, L1, L2, L3, E, W, S, N, L4; }
200 public static enum Wi { NONE, L0, L1, L4, L3, L2; }
201 public static enum Zi { NONE, L0, L1, L2, L3, L4; }
202 public static enum Ti { W, Z, F, WZ, WF, ONE; }
203 public static enum Ci { X, Y, CMux; }
204 public static enum Fi { R, C; }
205 public static enum Bi { R, C; }
206 public static enum Xo { X, B; }
207 public static enum Yo { Y, B; }
208 public static enum Oe { ONE, H4, V4; }
210 public Cell cell(int col, int row) { return new Cell(col, row); }
211 public final class Cell {
212 public final int col;
213 public final int row;
215 /** assumes LITTLE endian */
217 protected int onehot(int val) {
219 for(int i=0; i<32; i++) {
220 if ((val & (1 << i)) != 0) {
221 if (ret != -1) throw new Error("two bits set in a one-hot encoded value");
227 protected int bits(int octet, int bit, int count) {
228 return AtmelDevice.this.bits.get(offset, count);
231 public void set(Xi xi) { }
232 public void set(Yi xi) { }
233 public void set(Ti xi) { }
234 public void set(Ci xi) { }
235 public void set(Fi xi) { }
236 public void set(Bi xi) { }
237 public void set(Xo xo) { }
238 public void set(Yo yo) { }
239 public void set(Oe oe) { }
241 public Xi xi() { return Xi.values()[onehot((bits(3,3,1)<<8)|bits(5,0,8))]; }
242 public Yi yi() { return Yi.values()[onehot((bits(2,1,1)<<8)|bits(4,0,8))]; }
243 public Wi wi() { return Wi.values()[onehot((bits(3,0,3)<<2)|bits(3,4,2))]; }
244 public Zi zi() { return Zi.values()[onehot((bits(2,0,1)<<4)|bits(2,2,4))]; }
245 public Ti ti() { return null; }
246 public Ci ci() { return null; }
247 public Fi fi() { return null; }
248 public Bi bi() { return null; }
249 public Xo xo() { return Xo.values()[onehot(bits(1,6,1))]; }
250 public Yo yo() { return Yo.values()[onehot(bits(1,7,1))]; }
251 public Oe oe() { return Oe.values()[onehot(bits(3,6,2))]; }
253 public Sector getSector() { return sector(col - (col % 4), row - (row % 4)); }
254 public Cell(int col, int row) {
262 public static enum EPR { L0, L1, L2, L3, L4 }
263 public static enum XInputDriver extends InputDriver {
264 public static enum YInputDriver extends InputDriver { N, S, E, W }
265 public XInputDriver xi() { }
266 public void xi(XInputDriver) { }
267 public YInputDriver yi() { }
268 public void yi(YInputDriver) { }
269 public InputDriver zi() { }
270 public void zi(InputDriver) { }
271 public InputDriver wi() { }
272 public void wi(InputDriver) { }
274 public byte xlut() { }
275 public xlut(byte) { }
276 public byte ylut() { }
277 public ylut(byte) { }
279 public static enum CInputDriver { XL, YL, C }
280 public static enum FDriver { R, C }
282 public boolean cRegistered() { }