Raw CAN Bus Data Analyzer With Dewesoft
If all signals contained in the CAN bus are not explicitly defined within a DBC file it can be very time-consuming to find which message or part of a message contains information about a specific signal, for example, the car’s steering wheel position.
The raw data analyzer software feature allows you to search for specific signals in the raw (undecoded) CAN traffic.
Identification of signals can be achieved by monitoring which CAN messages and their respective parts are more active than others and then sorting them based on their activity. When the CAN raw data analyzer is active, the color of bits will start to change based on the activity of the bus and the selected analysis model, giving you a very clear graphical overview of what is happening on the bus.
To stick with the original example, turning the car’s steering wheel will highlight bits containing the information about its position, as can be seen in the image below.
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