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A664SetChecksum

Valid for: CANoe DE • CANoe4SW DE

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Function Syntax

long A664SetChecksum (a664Frame aFrame, dword Rule)

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Description

This function calculates and sets the checksum in the specified aFrame according to the defined checksum rule.

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Parameters

  • aFrame: The a664Frame object where the checksum is calculated and stored.
  • Rule: Defines the checksum rule based on the protocol type.
    • 1 – IP checksum
    • 2 – ICMP checksum
    • 3 – UDP checksum

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Return Values

  • <success>: Calculated checksum value –› all values including 0.
  • <error> -1: Invalid Rule.
  • <error> -2: Packet protocol type inconsistent with rule type.

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Example

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