---
name: "Vector_BLF_CanFdMessage64"
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_CanFdMessage64"
---

# Vector\_BLF\_CanFdMessage64(3)

CAN\_FD\_MESSAGE\_64.

## NAME

Vector::BLF::CanFdMessage64 - CAN\_FD\_MESSAGE\_64.

## SYNOPSIS

\#include \<CanFdMessage64.h\>

Inherits **Vector::BLF::ObjectHeader**, and **Vector::BLF::CanFdExtFrameData**.

### Public Member Functions

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

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 Member Functions inherited from **Vector::BLF::CanFdExtFrameData** **CanFdExtFrameData** (const CanFdExtFrameData &)=default\
 CanFdExtFrameData & **operator=** (const CanFdExtFrameData &)=default\
 **CanFdExtFrameData** (CanFdExtFrameData &&)=default\
 CanFdExtFrameData & **operator=** (CanFdExtFrameData &&)=default\

### Public Attributes

uint8\_t **channel** {}\
 application channel  uint8\_t **dlc** {}\
 CAN dlc.  uint8\_t **validDataBytes** {}\
 Valid payload length of data.  uint8\_t **txCount** {}\
 txRequiredCount (4 bits), txReqCount (4 Bits)  uint32\_t **id** {}\
 CAN ID.  uint32\_t **frameLength** {}\
 message length in ns  uint32\_t **flags** {}\
 flags  uint32\_t **btrCfgArb** {}\
 bit rate used in arbitration phase  uint32\_t **btrCfgData** {}\
 bit rate used in data phase  uint32\_t **timeOffsetBrsNs** {}\
 time offset of brs field  uint32\_t **timeOffsetCrcDelNs** {}\
 time offset of crc delimiter field  uint16\_t **bitCount** {}\
 complete message length in bits  uint8\_t **dir** {}\
 uint8\_t **extDataOffset** {}\
 uint32\_t **crc** {}\
 CRC for CAN.  std::vector\< uint8\_t \> **data** {}\
 CAN FD 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

Public Attributes inherited from **Vector::BLF::CanFdExtFrameData** uint32\_t **btrExtArb** {}\
 uint32\_t **btrExtData** {}\
 std::vector\< uint8\_t \> **reservedCanFdExtFrameData** {}\

### Additional Inherited Members

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

## Detailed Description

CAN\_FD\_MESSAGE\_64.

CAN FD data frame, or CAN data- or remote frame on a CAN FD channel.

## Member Function Documentation

### uint32\_t Vector::BLF::CanFdMessage64::calculateObjectSize () const \[override\], \[virtual\]

Calculates the objectSize

**Returns**

object size

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

### void Vector::BLF::CanFdMessage64::read (AbstractFile & is) \[override\], \[virtual\]

Read the data of this object

**Parameters**

*is* input stream

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

### void Vector::BLF::CanFdMessage64::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::CanFdMessage64::bitCount {}

complete message length in bits Bit count of the message

### uint32\_t Vector::BLF::CanFdMessage64::btrCfgArb {}

bit rate used in arbitration phase CAN- or CAN-FD bit timing configuration for arbitration phase, may be 0, if not supported by hardware/driver

- •

  Bit 0-7: Quartz Frequency

- •

  Bit 8-15: Prescaler

- •

  Bit 16-23: BTL Cycles

- •

  Bit 24-31: Sampling Point

### uint32\_t Vector::BLF::CanFdMessage64::btrCfgData {}

bit rate used in data phase CAN-FD bit timing configuration for data phase, may be 0, if not supported by hardware/driver. See btrCfgArb.

### uint8\_t Vector::BLF::CanFdMessage64::channel {}

application channel Channel the frame was sent or received.

### std::vector\<uint8\_t\> Vector::BLF::CanFdMessage64::data {}

CAN FD data. Data bytes (the actual length may be shorter than 64 bytes, according to the value of dlc).

### uint8\_t Vector::BLF::CanFdMessage64::dir {}

Direction of the message

### uint8\_t Vector::BLF::CanFdMessage64::dlc {}

CAN dlc. Data length code of frame.

- •

  DLC=0-8: CAN=0-8, CAN FD=0-8

- •

  DLC=9: CAN=8, CAN FD=12

- •

  DLC=10: CAN=8, CAN FD=16

- •

  DLC=11: CAN=8, CAN FD=20

- •

  DLC=12: CAN=8, CAN FD=24

- •

  DLC=13: CAN=8, CAN FD=32

- •

  DLC=14: CAN=8, CAN FD=48

- •

  DLC=15: CAN=8, CAN FD=64

### uint8\_t Vector::BLF::CanFdMessage64::extDataOffset {}

offset if extDataOffset is used

### uint32\_t Vector::BLF::CanFdMessage64::flags {}

flags

- •

  Bit#=0 (0x0001): Must be 0

- •

  Bit#=1 (0x0002): Reserved, for internal use

- •

  Bit#=2 (0x0004): 1=NERR (1=single wire on low speed CAN)

- •

  Bit#=3 (0x0008): 1=High voltage wake up

- •

  Bit#=4 (0x0010): 1=Remote frame (only CAN)

- •

  Bit#=5 (0x0020): Reserved, must be 0

- •

  Bit#=6 (0x0040): 1=Tx Acknowledge

- •

  Bit#=7 (0x0080): 1=Tx Request

- •

  Bit#=8 (0x0100): Reserved, must be 0

- •

  Bit#=9 (0x0200): SRR (CAN FD)

- •

  Bit#=10 (0x0400): R0

- •

  Bit#=11 (0x0800): R1

- •

  Bit#=12 (0x1000): EDL, 0: CAN frame, 1: CAN FD frame

- •

  Bit#=13 (0x2000): BRS (CAN FD)

- •

  Bit#=14 (0x4000): ESI

- •

  Bit#=15 (0x8000): Reserved, must be 0

- •

  Bit#=16 (0x10000): Reserved, must be 0

- •

  Bit#=17 (0x20000): 1=Frame is part of a burst

- •

  Bit#=18-31: Reserved, must be 0

### uint32\_t Vector::BLF::CanFdMessage64::frameLength {}

message length in ns Message duration \[in ns\]. Not including 3 interframe-space bit times and by Rx-messages also not including 1 end-of-frame bit time

### uint32\_t Vector::BLF::CanFdMessage64::id {}

CAN ID. Frame identifier.

### uint32\_t Vector::BLF::CanFdMessage64::timeOffsetBrsNs {}

time offset of brs field Time offset of bit rate switch within BRS field in nanoseconds

### uint32\_t Vector::BLF::CanFdMessage64::timeOffsetCrcDelNs {}

time offset of crc delimiter field Time offset of bit rate switch within CRC delimiter field in nanoseconds

### uint8\_t Vector::BLF::CanFdMessage64::txCount {}

txRequiredCount (4 bits), txReqCount (4 Bits) (Bits 0-3) Number of required tranmission attempts, (Bits 4-7) Max Number of transmission attempts.

### uint8\_t Vector::BLF::CanFdMessage64::validDataBytes {}

Valid payload length of data. Valid payload length of data, can differ from DLC value.

## Author

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