Examples with Value de.neemann.digital.data.Value used on opensource projects

Example 1 with Value

use of de.neemann.digital.data.Value in project Digital by hneemann.

the class ValueTest method testSimple.

public void testSimple() throws Exception {
    Value v = new Value("X");
    assertEquals(Value.Type.DONTCARE, v.getType());
    v = new Value("Z");
    assertEquals(Value.Type.HIGHZ, v.getType());
    v = new Value("C");
    assertEquals(Value.Type.CLOCK, v.getType());
    assertEquals(1, v.getValue());
    v = new Value("8");
    assertEquals(Value.Type.NORMAL, v.getType());
    assertEquals(8, v.getValue());
}

Example 2 with Value

use of de.neemann.digital.data.Value in project Digital by hneemann.

the class LineListenerResolveDontCare method add.

@Override
public void add(Value[] row) {
    ArrayList<Integer> dcIndex = null;
    for (TestExecutor.TestSignal in : inputs) {
        if (row[in.getIndex()].getType() == Value.Type.DONTCARE) {
            if (dcIndex == null)
                dcIndex = new ArrayList<>();
            dcIndex.add(in.getIndex());
        }
    }
    if (dcIndex == null)
        parent.add(row);
    else {
        int count = 1 << dcIndex.size();
        for (int n = 0; n < count; n++) {
            int mask = 1;
            for (int in : dcIndex) {
                boolean val = (n & mask) != 0;
                row[in] = new Value(val ? 1 : 0);
                mask *= 2;
            }
            parent.add(row);
        }
    }
}

Example 3 with Value

use of de.neemann.digital.data.Value in project Digital by hneemann.

the class TestCaseDescription method testData.

/**
 * Runs a 4 bit counter build from JK flip flops 16 ticks.
 * The 4 output signals are recoded in a DataSet.
 *
 * @throws Exception
 */
public void testData() throws Exception {
    ToBreakRunner toBreakRunner = new ToBreakRunner("dig/data.dig").runToBreak(29);
    // check recorded data
    ValueTable dataSet = toBreakRunner.getModel().getObserver(ValueTableObserver.class).getLogData();
    assertEquals(29, dataSet.getRows());
    int i = 0;
    for (Value[] ds : dataSet) {
        // clock
        assertEquals((~i) & 1, ds[0].getValue());
        int s = i / 2 + 1;
        // q_0
        assertEquals(s & 1, ds[1].getValue());
        // q_1
        assertEquals((s >> 1) & 1, ds[2].getValue());
        // q_2
        assertEquals((s >> 2) & 1, ds[3].getValue());
        // q_3
        assertEquals((s >> 3) & 1, ds[4].getValue());
        i++;
    }
    // try to write data to graphics instance
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    new Export(toBreakRunner.getCircuit(), (out) -> new GraphicsImage(out, "PNG", 1)).export(baos);
    assertTrue(baos.size() > 15000);
    // export data to CSV
    StringWriter w = new StringWriter();
    dataSet.saveCSV(new BufferedWriter(w));
    assertEquals("\"step\",\"C\",\"q_0n\",\"q_1n\",\"q_2n\",\"q_3n\"\n" + "\"0\",\"1\",\"1\",\"0\",\"0\",\"0\"\n" + "\"1\",\"0\",\"1\",\"0\",\"0\",\"0\"\n" + "\"2\",\"1\",\"0\",\"1\",\"0\",\"0\"\n" + "\"3\",\"0\",\"0\",\"1\",\"0\",\"0\"\n" + "\"4\",\"1\",\"1\",\"1\",\"0\",\"0\"\n" + "\"5\",\"0\",\"1\",\"1\",\"0\",\"0\"\n" + "\"6\",\"1\",\"0\",\"0\",\"1\",\"0\"\n" + "\"7\",\"0\",\"0\",\"0\",\"1\",\"0\"\n" + "\"8\",\"1\",\"1\",\"0\",\"1\",\"0\"\n" + "\"9\",\"0\",\"1\",\"0\",\"1\",\"0\"\n" + "\"10\",\"1\",\"0\",\"1\",\"1\",\"0\"\n" + "\"11\",\"0\",\"0\",\"1\",\"1\",\"0\"\n" + "\"12\",\"1\",\"1\",\"1\",\"1\",\"0\"\n" + "\"13\",\"0\",\"1\",\"1\",\"1\",\"0\"\n" + "\"14\",\"1\",\"0\",\"0\",\"0\",\"1\"\n" + "\"15\",\"0\",\"0\",\"0\",\"0\",\"1\"\n" + "\"16\",\"1\",\"1\",\"0\",\"0\",\"1\"\n" + "\"17\",\"0\",\"1\",\"0\",\"0\",\"1\"\n" + "\"18\",\"1\",\"0\",\"1\",\"0\",\"1\"\n" + "\"19\",\"0\",\"0\",\"1\",\"0\",\"1\"\n" + "\"20\",\"1\",\"1\",\"1\",\"0\",\"1\"\n" + "\"21\",\"0\",\"1\",\"1\",\"0\",\"1\"\n" + "\"22\",\"1\",\"0\",\"0\",\"1\",\"1\"\n" + "\"23\",\"0\",\"0\",\"0\",\"1\",\"1\"\n" + "\"24\",\"1\",\"1\",\"0\",\"1\",\"1\"\n" + "\"25\",\"0\",\"1\",\"0\",\"1\",\"1\"\n" + "\"26\",\"1\",\"0\",\"1\",\"1\",\"1\"\n" + "\"27\",\"0\",\"0\",\"1\",\"1\",\"1\"\n" + "\"28\",\"1\",\"1\",\"1\",\"1\",\"1\"\n", w.toString());
}

Example 4 with Value

use of de.neemann.digital.data.Value in project Digital by hneemann.

the class Parser method parseSingleRow.

private LineEmitter parseSingleRow() throws IOException, ParserException {
    LineEmitterSimple line = null;
    while (true) {
        Tokenizer.Token token = tok.next();
        if (line == null)
            line = new LineEmitterSimple(names.size(), tok.getLine());
        switch(token) {
            case NUMBER:
                Value num = new Value(convToLong(tok.getIdent()));
                line.add((vals, context) -> vals.add(num));
                break;
            case BITS:
                expect(Tokenizer.Token.OPEN);
                int bitCount = (int) parseInt();
                expect(Tokenizer.Token.COMMA);
                Expression exp = parseExpression();
                line.add(new ValueAppenderBits(bitCount, exp));
                expect(Tokenizer.Token.CLOSE);
                break;
            case IDENT:
                try {
                    final Value value = new Value(tok.getIdent().toUpperCase());
                    line.add((vals, context) -> vals.add(value));
                } catch (Bits.NumberFormatException e) {
                    throw new ParserException(Lang.get("err_notANumber_N0_inLine_N1", tok.getIdent(), tok.getLine()));
                }
                break;
            case OPEN:
                exp = parseExpression();
                line.add((vals, context) -> vals.add(new Value((int) exp.value(context))));
                expect(Tokenizer.Token.CLOSE);
                break;
            case EOF:
            case EOL:
                return line;
            default:
                throw newUnexpectedToken(token);
        }
    }
}

Example 5 with Value

use of de.neemann.digital.data.Value in project Digital by hneemann.

the class ValueAppenderBits method appendValues.

@Override
public void appendValues(ArrayList<Value> values, Context context) throws ParserException {
    long value = expression.value(context);
    long mask = 1L << (bitCount - 1);
    for (int i = 0; i < bitCount; i++) {
        boolean v = (value & mask) != 0;
        values.add(new Value(v ? 1 : 0));
        mask >>= 1;
    }
}