34 lines
985 B
Python
34 lines
985 B
Python
import gc
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from encoder import Encoder
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# from encoder import REVERSED_DIR
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"""
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An example of how to read a mechanical rotary encoder, only when a change has occurred.
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"""
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# Free up hardware resources ahead of creating a new Encoder
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gc.collect()
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# Create an encoder on the 3 ADC pins, using PIO 0 and State Machine 0
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PIN_A = 26 # The A channel pin
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PIN_B = 28 # The B channel pin
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PIN_C = 27 # The common pin
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enc = Encoder(0, 0, (PIN_A, PIN_B), PIN_C)
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# Uncomment the below line (and the top import) to reverse the counting direction
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# enc.direction(REVERSED_DIR)
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# Print out the initial count, step, and turn (they should all be zero)
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print("Count =", enc.count(), end=", ")
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print("Step =", enc.step(), end=", ")
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print("Turn =", enc.turn())
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# Loop forever
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while True:
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if enc.delta() != 0:
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# Print out the new count, step, and turn
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print("Count =", enc.count(), end=", ")
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print("Step =", enc.step(), end=", ")
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print("Turn =", enc.turn())
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