Synchronise with new features in pimoroni/pms5003-circuitpython

[kevinjwalters]

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This library is very similar to pimoroni/pms5003-circuitpython and a lot of improvements were added to that in

• https://github.com/pimoroni/pms5003-circuitpython/pull/8
  • https://github.com/pimoroni/pms5003-circuitpython/issues/3
  • https://github.com/pimoroni/pms5003-circuitpython/issues/4
  • https://github.com/pimoroni/pms5003-circuitpython/issues/5
  • https://github.com/pimoroni/pms5003-circuitpython/issues/6

With some luck (and testing) the pms5003-python may be able to be generated from pms5003-circuitpython code with a minor patch. The versions could synchronise at 0.0.6 as a partial indication of their linkage.

[Gadgetoid]

Agreed. I just ported these to a new MicroPython library and they seem to work well!

I think it might be possible to abstract away the UART and GPIO access somewhat so that they can share a common codebase with just those portions changed. There seem to be some platform-specific quirks regarding UART reads being blocking vs non-blocking and differing buffer sizes but hopefully nothing we can't smooth over.