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How to increase the sampling rate?

Other Parts Discussed in Thread: DRV8312

Hi,

  I try to measure and graph my position error(Mrev) in debugged watched window. But it seems like the sampling rate is too slow to catch up what is actually happening. Even Though I already set it to 10Khz at the graph property. but still it's not fast enough to capture the changes of my motor.

 My motor is running at 10krpm with acceleration of 900krpm/s, I want to measure the over shoot with position plan.

1. What is the maximum sampling rate for the graph? Is there a way to increase it?

2. If not, can I save the buffer data and graph externally for better accuracy ?

Using DRV8312 and F2805X