Why is it that everyone is interested in generating VGA signals with an FPGA, but no one is interested in driving motors with an FPGA?
Because VGA is high bandwidth but otherwise really dumb logic, which is what FPGAs excel at. Driving motors is low bandwidth but requires more complex algorithms, which is what microcontrollers/DSPs excel at.
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What
@marcan42 said. I mean, here are two VGA implementations that I did. One is in Clash and the other in Migen: https://gitlab.com/GuzTech/clash-fb_vga/-/blob/master/VGA.hs#L28 … https://github.com/GuzTech/icebreaker-litex-examples/blob/master/soc/rtl/pmod_vga.py … It's just a bunch of counters, and it literally gives you visual feedback :) -
Unless you need to control many dozens of motors in very narrow margins of error time-wise, I guess.
End of conversation
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