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Control units are being used increasingly in modern vehicles connected to various networks. Data is exchanged between these CAN networks via an interconnecting element - a gateway. The purpose of this gateway is to transfer only those messages or signals to the other network that are of interest for it. The Vector CANbedded Gateway is a software component for handling the transfer of CAN messages and signals between different CAN networks. The CAN messages and signals are received in their entirety on one network and are then sent to the other CAN network while observing filtering and conversion rules. Since the gateway utilizes standard components for underlying layers, it is independent of the specific bus physics. Therefore it is readily adaptable to other bus systems (LIN, MOST, FlexRay, etc.).
Features and Advantages
The gateway component is ideal for software developers of electronic control units in motor vehicle applications. It allows to perform complex handling of multiple CAN networks using a standard implementation that is easy to integrate. The gateway component, supplied in the form of C source code, permits data exchange between the networks on two different routing levels:
- Signal routing
- Message routing (with data queue/without data queue)
The required routing algorithm and the signals and messages to be routed are automatically selected based on database attributes in the communication matrix (dbc file). The specifications of the vehicle manufacturerers are considered in the process. It is also possible to perform manual configuration on the signal or message level in the Configuration Tool.
Detailed information is available in the PDF data sheet.