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Record FPGA data during 1 hour - really.Exostiv Labs BlogOct. 31, 2017 |
As ASIC, SoC and FPGA engineers, we are use to watching the operation of our designs based on single limited snapshots. RTL simulations, for instance, provide bit-level details during execution times that span over a few (milli)seconds at best. Consequently, it may not be possible to see events that happen over long times as a single coherent capture.
In this blog post, I have wanted to show what can be done in a real case with EXOSTIV. The design that runs from a FPGA board is a full system on-chip that features a Gbit Ethernet connection. The board is connected to our company network – and I have set up EXOSTIV to trigger and record the Ethernet traffic during 1 full hour. Yes, we used EXOSTIV as an Ethernet sniffer, that works from inside the FPGA – providing a ‘decoded view’ of the traffic after it has entered the FPGA Gbit Ethernet IP.
