Skip to main content

​
J1939 CAPL Functions

Open topic with navigation CAPL Functions » J1939 » J1939 CAPL Functions Valid for: CANoe DE • CANoe4SW DE Only available with Option J1939 and Option ISO11783.
ON THIS PAGE:

​
Diagnostic Trouble Code (DTC)

  • J1939GetDTC: Function searches a J1939 diagnostic message for a DTC block containing the specified SPN/FMI/OC values.
  • J1939GetFmiFromDTC: Function extracts FMI from DTC.
  • J1939GetNumOfDTCs: Function returns the number of DTC blocks that match the search criteria.
  • J1939GetOcFromDTC: Function extracts OC from DTC.
  • J1939GetSpnFromDTC: Function extracts SPN from DTC.
  • J1939MakeDTC: Function generates a DTC from the defined SPN, FMI and OC.

​
Event Procedures

  • on pg: Receives a J1939 specific message.

​
Functional Safety — J1939-76 Dedicated SHM

  • J1939CalculateCrcOfSDM: Calculates CRC for payload of a Safety Data Message.
  • J1939FillSHM: Fills payload of a Safety Header Message with data of Safety Data Message.
  • J1939ParseSHM: Provides data of the SDM message, which are contained in payload of the SHM message.

​
Functional Safety — Messages With Integrated Checksum and Counter

  • J1939CalcChecksum: Calculates the checksum of a parameter group.
  • J1939GetChecksumAndCounter: Stores the checksum and counter of the parameter group in the given arguments.
  • J1939SetChecksumAndCounter: Calculates and sets the checksum and the given counter to the parameter group.

​
General

  • J1939ConvertMessageToPg: Converts a CAN message to a J1939 parameter group.
  • J1939ConvertPgToMessage: Converts a J1939 parameter group to a CAN message.
  • J1939GetAddress: Gets the current address of a J1939 node even the address has been changed by the J1939 network management.
  • J1939GetDataPage: Returns the data page bit of a parameter group or CAN ID.
  • J1939GetDestAddress: Returns the value of the PDU specific field of a parameter group or CAN ID.
  • J1939GetDeviceName: Gets the J1939 NAME as reported on the bus.
  • J1939GetPGN: Returns the parameter group number (PGN) of a parameter group or CAN ID.
  • J1939GetPrio: Returns the J1939 priority of a parameter group or CAN ID.
  • J1939GetSourceAddress: Returns the source address of a parameter group or CAN ID.
  • J1939InitPGData: Sets all data bytes of the parameter group to 255.
  • J1939IsPDU1: Checks if the parameter group number (PGN) contained in the CAN ID has the PDU Format 1.
  • J1939IsPDU2: Checks if the parameter group number (PGN) contained in the CAN ID has the PDU Format 2.
  • J1939MakeCanId: Assembles a CAN ID from several J1939 fields.
  • J1939SetDatapage: Sets the data page of a parameter group.
  • J1939SetDestAddress: Sets the PDU specific field of a parameter group or CAN ID.
  • J1939SetPrio: Sets the priority of a parameter group or CAN ID.
  • J1939SetSourceAddress: Sets the source address of a parameter group.
  • output: Outputs a parameter group onto the CAN bus.

​
CAN FD — J1939-22

  • J1939InitializeMultiPG: Initiates a CAN FD message for use as a multiPG.
  • J1939AddContainedPG: Adds an additional containedPG to a multiPG message.
  • J1939CheckMultiPG: Checks whether a J1939-22 Multi-PG is consistent.
  • J1939GetContainedPG: Get a Contained PG.
  • J1939GetContainedPGData: Get PG Data of a Contained-PG.
  • J1939GetContainedPGAssuranceData: Get assurance data of a Contained-PG.
  • J1939GetNumberOfContainedPGs: Get the number of Contained-PGs (C-PGs) of a J1939-22 Multi-PG.