kopia lustrzana https://github.com/pimoroni/pimoroni-pico
41 wiersze
939 B
Python
41 wiersze
939 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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A demonstration of a rotary encoder being used to control a value.
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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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# The min and max value
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MIN_VALUE = 0
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MAX_VALUE = 100
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value = 50
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# Print out the initial value
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print("Value =", value)
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# Loop forever
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while True:
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delta = enc.delta()
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if delta != 0:
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if delta > 0:
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value = min(value + 1, MAX_VALUE)
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else:
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value = max(value - 1, MIN_VALUE)
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# Print out the new value
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print("Value =", value)
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