On 12/07/2020 08:47 AM, Todd Zuercher wrote:
Is it possible to set up a firmware for a Mesa FPGA that could read the encoder
velocity from an encoder input and output that velocity as an analog command
directly to an analog output (hopefully at faster than the servo thread rate)
in order to bypass having to do that connection in Hal? Can the analog outputs
of any of Mesa's daughter cards be updated faster than the Servo-thread rate?
You can also get dedicated quadrature to tach converters
(although they are kind of expensive)
that could have as much bandwidth as you want. I've been
thinking about making this one of my products for quite some
time. TOO BAD they discontinued the L290 chip, which did it
all.
Jon
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