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Open topic with navigation CAPL Functions » MOST » OnMostMHPPacket

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OnMostMHPPacket

Valid for: CANoe DE Note
OnMostMHPPacket can only be used in the Measurement Setup and should be inserted under the item “Callback function”.
For simulation of a MOST High connection sender and receiver in CAPL, the MOST High DLL can be used. The DLL is located in the Exec32 folder of the MOST High Demos.

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Function Syntax

long OnMostMHPPacket(long sourceDevID, long destDevID, long fBlockID, long instID, long functionID, long opType);

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Description

The event procedure is called up as soon as a MOST High packet is finished. Within this event procedure, the following functions are available:
  • long mostMHPPacketIsSpy() Indicates whether the packet was made up of Spy messages.
    Parameters: None
    Returns:
    0: Comprised of node messages
    1: Comprised of Spy messages
  • long mostMHPPacketVersion() Indicates the used MOST High Protocol version.
    Parameters: None
    Returns:
  • long mostMHPPacketNegAcks() Indicates the number of negative frame acknowledge messages.
    Parameter: None
    Returns: Number of NegAcks (see MHP specification)
  • long mostMHPPacketFrameRequests() Indicates the number of single or multiple frame request messages.
    Parameter: None
    Returns: Number of (multiple) frame requests
  • long mostMHPPacketBlockRequests() Indicates the number of block request messages.
    Parameter: None
    Returns: Number of block requests
  • long mostMHPPacketWarnings() Indicates the number of MHP observer warnings. Warnings may indicate communication problems.
    Parameter: None
    Returns: Number of Observer warnings
  • long mostMHPPacketErrors() Indicates the number of MHP Observer errors. Errors indicate MOST High Protocol violations.
    Parameter: None
    Returns: Number of Observer errors
The functions mostEventChannel(), mostEventTime(), and mostEventTimeNS() can be used to call up supplemental information.

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Parameters

  • sourceDevID: Address of the transmitter
  • destDevID: Address of the receiver
  • fBlockID: FBlockID of the receiver
  • instID: Instance ID of the receiver
  • functionID: FunctionID of the receiver
  • opType: OpType of the receiver

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Return Values

The return value determines whether the MHP packet event is relayed to the next function block in the Measurement Setup (e.g., a Trace Window).
  • 0: No relay
  • 1: Relay

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Example

— MOST High Protocol: Simulation of Sender and Receiver • OnMostMHPBlock • OnMostMHPError • mostMHPPacketSetTraceColors • MOST High Observer and Combiner