2019-12-10 21:06:56 +01:00
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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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2019-12-11 00:20:42 +01:00
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2019-12-10 21:06:56 +01:00
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kit = MotorKit()
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stage = kit.stepper1
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stage.release()
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2019-12-11 00:20:42 +01:00
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def focus(steps,orientation):
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#0.25mm/step
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#31um/microsteps
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2019-12-10 21:06:56 +01:00
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stage.release()
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2019-12-11 00:20:42 +01:00
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if orientation == 'up':
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2019-12-10 21:06:56 +01:00
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for i in range(steps):
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stage.onestep(direction=stepper.FORWARD, style=stepper.MICROSTEP)
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sleep(0.001)
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2019-12-11 00:20:42 +01:00
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if orientation == 'down':
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2019-12-10 21:06:56 +01:00
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for i in range(steps):
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stage.onestep(direction=stepper.BACKWARD, style=stepper.MICROSTEP)
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sleep(0.001)
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stage.release()
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2019-12-11 04:56:05 +01:00
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focus(1000,'up')
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focus(1000,'down')
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