---
name: "Vector_BLF_CanFdMessage"
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_CanFdMessage"
---

# Vector\_BLF\_CanFdMessage(3)

CAN\_FD\_MESSAGE.

## NAME

Vector::BLF::CanFdMessage - CAN\_FD\_MESSAGE.

## SYNOPSIS

\#include \<CanFdMessage.h\>

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

### Public Types

enum **Flags** : uint8\_t { **TX** = (1 \<\< 0), **NERR** = (1 \<\< 5), **WU** = (1 \<\< 6), **RTR** = (1 \<\< 7) }\
 enum **CanFdFlags** : uint8\_t { **EDL** = (1 \<\< 0), **BRS** = (1 \<\< 1), **ESI** = (1 \<\< 2) }\

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

uint16\_t **channel** {}\
 application channel  uint8\_t **flags** {}\
 CAN dir & rtr.  uint8\_t **dlc** {}\
 CAN dlc.  uint32\_t **id** {}\
 CAN ID.  uint32\_t **frameLength** {}\
 message length in ns - without 3 inter frame space bits and by Rx-message also without 1 End-Of-Frame bit  uint8\_t **arbBitCount** {}\
 bit count of arbitration phase  uint8\_t **canFdFlags** {}\
 CAN FD flags.  uint8\_t **validDataBytes** {}\
 Valid payload length of data.  uint8\_t **reservedCanFdMessage1** {}\
 uint32\_t **reservedCanFdMessage2** {}\
 std::array\< uint8\_t, 64 \> **data** {}\
 CAN FD data.  uint32\_t **reservedCanFdMessage3** {}\

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

CAN\_FD\_MESSAGE.

## Member Enumeration Documentation

### enum Vector::BLF::CanFdMessage::CanFdFlags : uint8\_t

enumeration for canFdFlags

**Enumerator**

- ***EDL***

  extended data length

- ***BRS***

  bit rate switch

- ***ESI***

  error state indicator

### enum Vector::BLF::CanFdMessage::Flags : uint8\_t

enumeration for flags

**Enumerator**

- ***TX***

  transmit direction

- ***NERR***

  single wire operation

- ***WU***

  wake up message (high voltage)

- ***RTR***

  remote transmission request

## Member Function Documentation

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

Calculates the objectSize

**Returns**

object size

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

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

Read the data of this object

**Parameters**

*is* input stream

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

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

Write the data of this object

**Parameters**

*os* output stream

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

## Member Data Documentation

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

CAN dir & rtr. CAN Message **Flags**

CAN dir, rtr, wu & nerr encoded into flags

### uint8\_t Vector::BLF::CanFdMessage::reservedCanFdMessage1 {}

reserved

### uint32\_t Vector::BLF::CanFdMessage::reservedCanFdMessage2 {}

reserved

### uint32\_t Vector::BLF::CanFdMessage::reservedCanFdMessage3 {}

reserved

## Author

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