Reading a CAN Message

When a CAN message shall be transmitted via the CAN bus, the CAN frame can be build with the linked CAN signals.


Figure - Reading a CAN message


  1. The function CanMsgRead() is called with the unique CAN message identifier and a CAN frame.
  2. The function checks, that the given CAN message is in use.
  3. The function uses the CanSigRead() and CanFrmSet() to get the data from the mapped CAN signals and set the data within the given CAN frame according to the configured mapping information.