47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
#!/usr/bin/env python
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#Strating pumping foward a vol of 24ml with a flowrate of 3.2ml/min, use this command line :
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#python3.7 path/to/file/pump.py 24 3.2 foward
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from adafruit_motor import stepper
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from adafruit_motorkit import MotorKit
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from time import sleep
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import sys
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volume = int(sys.argv[1])
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flowrate = float(sys.argv[2])
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action = str(sys.argv[3])
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kit = MotorKit()
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pump_stepper = kit.stepper2
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pump_stepper.release()
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def pump(volume, flowrate, action):
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if action == "foward":
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action=stepper.FORWARD
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if action == "backward":
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action=stepper.BACKWARD
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nb_step=volume*507 #if sleep(0.05) in between 2 steps
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#35000steps for 69g
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#nb_step=vol*460 if sleep(0) in between 2 steps
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duration=(volume*60)/flowrate
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delay=(duration/nb_step)-0.005
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for i in range(nb_step):
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pump_stepper.onestep(direction=action, style=stepper.DOUBLE)
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sleep(delay)
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sleep(1)
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pump_stepper.release()
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#volume, flowrate (from 0 to 20), direction (foward or backward)
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pump(volume, flowrate, action)
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