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can-log-tools
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https://www.efianalytics.com/TunerStudio/docs/MLG_Binary_LogFormat_2.0.pdf

This commit is contained in:
rusefillc 2022-08-17 00:53:57 -04:00
parent 1c89e3110e
commit ab66a60d00
2 changed files with 12 additions and 13 deletions
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20
src/main/java/com/rusefi/sensor_logs/BinarySensorLog.java
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@ -4,6 +4,8 @@ import java.io.*;
import java.util.*;
import java.util.function.Function;
import static com.rusefi.sensor_logs.Fields.MLQ_FIELD_HEADER_NAME_OR_CATEGORY;
/**
* MLV .mlq binary log file
* https://www.efianalytics.com/TunerStudio/docs/MLG_Binary_LogFormat_1.0.pdf
@ -103,20 +105,15 @@ public class BinarySensorLog<T extends BinaryLogEntry> implements SensorLog, Aut
fieldsDataSize += entry.getByteSize();
}
// 0006h Format version = 01
stream.write(0);
stream.write(1);
// 0006h Format version = 02
stream.writeShort(2);
// 0008h Timestamp
stream.writeInt((int) (System.currentTimeMillis() / 1000));
// 000ch
int infoDataStart = Fields.MLQ_HEADER_SIZE + Fields.MLQ_FIELD_HEADER_SIZE * entries.size();
System.out.println("Total " + entries.size() + " fields");
if (infoDataStart > 32000)
throw new IllegalStateException("Too much header " + infoDataStart);
stream.writeShort(infoDataStart);
stream.writeShort(0); // reserved?
// 0010h = offset_to_data
stream.writeShort(infoDataStart + headerText.length());
stream.writeInt(infoDataStart);
stream.writeInt(infoDataStart + headerText.length());
// 0012h
stream.writeShort(fieldsDataSize);
// 0014h number of fields
@ -129,7 +126,7 @@ public class BinarySensorLog<T extends BinaryLogEntry> implements SensorLog, Aut
// 0000h type enum
stream.write(7);
// 0001h
writeLine(stream, name, 34);
writeLine(stream, name, MLQ_FIELD_HEADER_NAME_OR_CATEGORY);
// 0023h
writeLine(stream, unit, 10);
stream.write(0); // Display Style, 0=Float
@ -139,9 +136,10 @@ public class BinarySensorLog<T extends BinaryLogEntry> implements SensorLog, Aut
stream.writeFloat(0);
// 0036h precision digits
stream.write(2);
writeLine(stream, "Category", MLQ_FIELD_HEADER_NAME_OR_CATEGORY);
}
if (stream.size() != infoDataStart)
throw new IllegalStateException("We are doing something wrong :( stream.size=" + stream.size());
throw new IllegalStateException("We are doing something wrong :( stream.size=" + stream.size() + "/" + infoDataStart);
writeLine(stream, headerText, headerText.length());
}

5
src/main/java/com/rusefi/sensor_logs/Fields.java
View File

@ -1,6 +1,7 @@
package com.rusefi.sensor_logs;
public class Fields {
public static final int MLQ_FIELD_HEADER_SIZE = 55;
public static final int MLQ_HEADER_SIZE = 22;
public static final int MLQ_FIELD_HEADER_NAME_OR_CATEGORY = 34;
public static final int MLQ_FIELD_HEADER_SIZE = (55 + MLQ_FIELD_HEADER_NAME_OR_CATEGORY);
public static final int MLQ_HEADER_SIZE = 24;
}