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Last week I introduced how we can use PYNQ to access telemetry data on a boards power system, if it uses PMBus. In this article, we are going to look at how we can use the this capability in PYNQ to log and analyze power data.
The main element we will be using to do this is the DataRecorder contained within the PMBus package.
The DataRecorder provides the ability to stop, start and reset sampling on selected PMBus sensors. We can achieve fine grained control of the sampling period as we are able to define the sampling period when the DataRecorder is started.