88 lines
3.0 KiB
Java
88 lines
3.0 KiB
Java
package com.rusefi.can.reader.impl;
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import com.rusefi.can.CANPacket;
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import com.rusefi.can.reader.dbc.DbcPacket;
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import com.rusefi.mlv.LoggingStrategy;
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import com.rusefi.can.reader.dbc.DbcField;
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import com.rusefi.can.reader.dbc.DbcFile;
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import org.junit.Test;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.StringReader;
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import static com.rusefi.can.reader.impl.ParseDBCTest.VAG_MOTOR_1;
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import static junit.framework.TestCase.assertNull;
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import static org.junit.Assert.*;
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public class GetValueFromTrcTest {
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public static final double EPS = 0.01;
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private static int getBitIndex(byte[] data, int bitIndex, int bitWidth) {
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return DbcField.getBitRange(data, bitIndex, bitWidth, false);
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}
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@Test
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public void testBigEndian() {
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byte[] rpm = {(byte) 0x70, 0x04, 0x1F};
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assertEquals(0x41f, DbcField.getBitRange(rpm, 16, 16, true));
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byte[] torque = {0x68, 0x07};
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assertEquals(0x807, DbcField.getBitRange(torque, 8, 13, true));
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byte[] data = {(byte) 0xAB, 0x56, 0x34};
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assertEquals(0x56AB, DbcField.getBitRange(data, 0, 16, false));
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assertEquals(0xAB56, DbcField.getBitRange(data, 8, 16, true));
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assertEquals(0xAB, DbcField.getBitRange(data, 0, 8, false));
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assertEquals(0xAB, DbcField.getBitRange(data, 0, 8, true));
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assertEquals(0x56, DbcField.getBitRange(data, 8, 8, false));
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assertEquals(0x56, DbcField.getBitRange(data, 8, 8, true));
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// yes we have a defect for sure, we only touch two bytes at most while in this case we shall touch three bytes
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assertEquals(0x56A, DbcField.getBitRange(data, 4, 16, false));
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}
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@Test
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public void test() throws IOException {
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DbcFile dbc = new DbcFile(LoggingStrategy.LOG_ONLY_TRANSLATED_FIELDS);
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{
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BufferedReader reader = new BufferedReader(new StringReader(VAG_MOTOR_1));
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dbc.read(reader);
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}
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DbcPacket packet640 = dbc.findPacket(640);
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assertNotNull(packet640);
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DbcField byte1 = packet640.getFieldAtByte(1);
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assertNotNull(byte1);
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assertEquals("inneres_Motor_Moment", byte1.getName());
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DbcField byte4 = packet640.getFieldAtByte(4);
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assertNotNull(byte4);
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assertNull(dbc.findPacket(1640));
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String trcLine = " 3769) 2117.7 Rx 0280 8 01 1D DF 12 1E 00 1A 1E ";
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PcanTrcReader1_1 reader = new PcanTrcReader1_1();
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CANPacket packet = reader.readLine(trcLine);
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assertEquals(8, packet.getData().length);
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assertEquals(640, packet.getId());
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assertEquals(0x12DF, getBitIndex(packet.getData(), 16, 16));
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assertEquals(0xDF1D, getBitIndex(packet.getData(), 8, 16));
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assertEquals(1, getBitIndex(packet.getData(), 0, 3));
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assertEquals(0x1D, getBitIndex(packet.getData(), 8, 8));
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assertEquals(13, getBitIndex(packet.getData(), 8, 4));
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DbcField bf = dbc.getPacketByIndexSlow(0).find("rpm");
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assertEquals(1207.75, bf.getValue(packet), EPS);
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System.out.println(packet);
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}
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}
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