---
name: "Vector_BLF_FunctionBus"
section: "3"
platform: "linux"
package: "vector-blf"
version: "2.4.2-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/Vector_BLF_FunctionBus"
---

# Vector\_BLF\_FunctionBus(3)

FUNCTION\_BUS.

## NAME

Vector::BLF::FunctionBus - FUNCTION\_BUS.

## SYNOPSIS

\#include \<FunctionBus.h\>

Inherits **Vector::BLF::ObjectHeader**.

### Public Types

enum **FunctionBusObjectType** : uint32\_t { **Undefined** = 0, **Signal** = 1, **ServiceFunction** = 2, **State** = 3 }\

Public Types inherited from **Vector::BLF::ObjectHeader** enum **ObjectFlags** : uint32\_t { **TimeTenMics** = 0x00000001, **TimeOneNans** = 0x00000002 }\

### Public Member Functions

void **read** (**AbstractFile** &is) override\
 void **write** (**AbstractFile** &os) override\
 uint32\_t **calculateObjectSize** () const override\

Public Member Functions inherited from **Vector::BLF::ObjectHeader** **ObjectHeader** (const ObjectType **objectType**, const uint16\_t **objectVersion**=0)\
 void **read** (**AbstractFile** &is) override\
 void **write** (**AbstractFile** &os) override\
 uint16\_t **calculateHeaderSize** () const override\
 uint32\_t **calculateObjectSize** () const override\

Public Member Functions inherited from **Vector::BLF::ObjectHeaderBase** **ObjectHeaderBase** (const uint16\_t **headerVersion**, const ObjectType **objectType**)\
 **ObjectHeaderBase** (const ObjectHeaderBase &)=default\
 ObjectHeaderBase & **operator=** (const ObjectHeaderBase &)=default\
 **ObjectHeaderBase** (ObjectHeaderBase &&)=default\
 ObjectHeaderBase & **operator=** (ObjectHeaderBase &&)=default\

### Public Attributes

uint32\_t **functionBusObjectType** {}\
 uint32\_t **veType** {}\
 uint32\_t **nameLength** {}\
 uint32\_t **dataLength** {}\
 std::string **name** {}\
 std::vector\< uint8\_t \> **data** {}\

Public Attributes inherited from **Vector::BLF::ObjectHeader** uint32\_t **objectFlags** {**ObjectFlags::TimeOneNans**}\
 object flags  uint16\_t **clientIndex** {}\
 client index of send node  uint16\_t **objectVersion** {0}\
 object specific version  uint64\_t **objectTimeStamp** {}\
 object timestamp

Public Attributes inherited from **Vector::BLF::ObjectHeaderBase** uint32\_t **signature** {ObjectSignature}\
 signature (ObjectSignature)  uint16\_t **headerSize** {}\
 sizeof object header  uint16\_t **headerVersion** {}\
 header version (1)  uint32\_t **objectSize** {}\
 object size  ObjectType **objectType** {ObjectType::UNKNOWN}\
 object type

## Detailed Description

FUNCTION\_BUS.

## Member Enumeration Documentation

### enum Vector::BLF::FunctionBus::FunctionBusObjectType : uint32\_t

enumeration for functionBusObjectType

## Member Function Documentation

### uint32\_t Vector::BLF::FunctionBus::calculateObjectSize () const \[override\], \[virtual\]

Calculates the objectSize

**Returns**

object size

Reimplemented from **Vector::BLF::ObjectHeaderBase**.

### void Vector::BLF::FunctionBus::read (AbstractFile & is) \[override\], \[virtual\]

Read the data of this object

**Parameters**

*is* input stream

Reimplemented from **Vector::BLF::ObjectHeaderBase**.

### void Vector::BLF::FunctionBus::write (AbstractFile & os) \[override\], \[virtual\]

Write the data of this object

**Parameters**

*os* output stream

Reimplemented from **Vector::BLF::ObjectHeaderBase**.

## Member Data Documentation

### std::vector\<uint8\_t\> Vector::BLF::FunctionBus::data {}

variable data

### uint32\_t Vector::BLF::FunctionBus::dataLength {}

length of variable data in bytes

### uint32\_t Vector::BLF::FunctionBus::functionBusObjectType {}

type of system variable

### std::string Vector::BLF::FunctionBus::name {}

path name in the port server

### uint32\_t Vector::BLF::FunctionBus::nameLength {}

length of variable name in bytes

## Author

Generated automatically by Doxygen for Vector BLF from the source code.