FlexRay

Easy and efficient observation of the physical layer and simultaneous protocol analysis enable you to evaluate the performance of your FlexRay communication system. Evaluation and test through long-duration (multiple-cycle) bus observation answer questions such as whether specific frames are being transferred as designed, whether there are any "glitches" in signals, or whether any data corruption is occurring. The FlexRay FIBEX symbolic triggers, analysis and trend display functions* allow you to activate trigger and display the analysis results by physical values (Message and Signal) in conformity to FIBEX database.

In addition to Frame Start, ID, Cycle Count, Data, and other conditions, the SB5710/SB5310 serial bus analyzer allows you to trigger on CRC, BSS, and FES errors to capture physical layer voltage waveforms. The protocol analysis results list and decode displays are shown simultaneously with the waveform display which is updated in real time on every trigger (Figure 1). If a communication abnormality occurs, this helps you to identify causes including whether the problem is hardware or software related. The analysis results list can be saved to a text file in csv format. You can make a "Field Jump" in the zoom screen to the top of a specific field in a specific frame (the CRC field, for example), or search the entire range of captured data for the field's waveform by specifying field and frame conditions.

Figure.1: FlexRay waveform, list, decode display example