ePBR pump usage about pbrcontrol HOT 5 OPEN

The implementation needs to be slightly modified according to the initial description (https://czechglobe-doab.slack.com/archives/CLN16B9CH/p1571978282001000), i.e. I would do it following way:

OD = measure_od()
while OD > min_OD:
     setAux2(1)             # this turns on the pump (works only if the pump goes from 0 to 1)
     time.sleep(20)        # sleep 20 seconds, should be enough to accomplish steps 1. and 2.
     setAux2(0)        # reset the pump to zero state that is necessary for success of next set of the pump
     time.sleep(20)
     OD = measure_od()

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It was just a testing close, the issue has not been resolved by implementation yet.

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I tried to address this in this commit. I expect bugs to occur, but I do not have the resources to test it at the moment. @xtrojak could possibly try it out?

Basically, I added a pump manager which manages the pump state for ePBRs in its own thread - log messages should be consistent with other device classes.

from pbrcontrol.

The pump manager is working, but will be possibly modified to more general usage.

from pbrcontrol.

TODO: move pump manager to Phenometrics\PBR

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