---
name: "Vector_BLF_CanMessage"
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_CanMessage"
---

# Vector\_BLF\_CanMessage(3)

CAN\_MESSAGE.

## NAME

Vector::BLF::CanMessage - CAN\_MESSAGE.

## SYNOPSIS

\#include \<CanMessage.h\>

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

### 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

uint16\_t **channel** {}\
 application channel  uint8\_t **flags** {}\
 CAN dir & rtr.  uint8\_t **dlc** {}\
 CAN dlc.  uint32\_t **id** {}\
 CAN ID.  std::array\< uint8\_t, 8 \> **data** {}\
 CAN 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

### Additional Inherited Members

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

## Detailed Description

CAN\_MESSAGE.

**Deprecated**

CAN data or CAN remote frame received or transmitted on a CAN channel.

## Member Function Documentation

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

Calculates the objectSize

**Returns**

object size

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

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

Read the data of this object

**Parameters**

*is* input stream

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

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

Write the data of this object

**Parameters**

*os* output stream

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

## Member Data Documentation

### uint16\_t Vector::BLF::CanMessage::channel {}

application channel Channel the frame was sent or received.

### std::array\<uint8\_t, 8\> Vector::BLF::CanMessage::data {}

CAN data. CAN data bytes

### uint8\_t Vector::BLF::CanMessage::dlc {}

CAN dlc. Data length code of frame (number of valid data bytes, max. 8)

### uint8\_t Vector::BLF::CanMessage::flags {}

CAN dir & rtr. CAN Message Flags

CAN dir, rtr, wu & nerr encoded into flags:

- •

  Bit 0: TX

- •

  Bit 5: NERR

- •

  Bit 6: WU

- •

  Bit 7: RTR

### uint32\_t Vector::BLF::CanMessage::id {}

CAN ID. Frame identifier.

## Author

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