mirror of
https://github.com/miketeachman/micropython-rotary.git
synced 2024-09-18 19:16:59 +00:00
2fa3f1b054
Every encoder click changes the count by "incr". "incr" default=1 for backwards compatibility with existing operation.
71 lines
1.8 KiB
Python
71 lines
1.8 KiB
Python
# MIT License (MIT)
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# Copyright (c) 2020 Mike Teachman
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# Copyright (c) 2021 Eric Moyer
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# https://opensource.org/licenses/MIT
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# Platform-specific MicroPython code for the rotary encoder module
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# Raspberry Pi Pico implementation
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# Documentation:
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# https://github.com/MikeTeachman/micropython-rotary
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from machine import Pin
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from rotary import Rotary
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IRQ_RISING_FALLING = Pin.IRQ_RISING | Pin.IRQ_FALLING
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class RotaryIRQ(Rotary):
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def __init__(
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self,
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pin_num_clk,
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pin_num_dt,
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min_val=0,
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max_val=10,
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incr=1,
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reverse=False,
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range_mode=Rotary.RANGE_UNBOUNDED,
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pull_up=False,
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half_step=False,
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invert=False
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):
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super().__init__(min_val, max_val, incr, reverse, range_mode, half_step, invert)
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if pull_up:
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self._pin_clk = Pin(pin_num_clk, Pin.IN, Pin.PULL_UP)
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self._pin_dt = Pin(pin_num_dt, Pin.IN, Pin.PULL_UP)
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else:
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self._pin_clk = Pin(pin_num_clk, Pin.IN)
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self._pin_dt = Pin(pin_num_dt, Pin.IN)
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self._hal_enable_irq()
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def _enable_clk_irq(self):
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self._pin_clk.irq(self._process_rotary_pins, IRQ_RISING_FALLING)
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def _enable_dt_irq(self):
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self._pin_dt.irq(self._process_rotary_pins, IRQ_RISING_FALLING)
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def _disable_clk_irq(self):
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self._pin_clk.irq(None, 0)
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def _disable_dt_irq(self):
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self._pin_dt.irq(None, 0)
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def _hal_get_clk_value(self):
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return self._pin_clk.value()
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def _hal_get_dt_value(self):
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return self._pin_dt.value()
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def _hal_enable_irq(self):
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self._enable_clk_irq()
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self._enable_dt_irq()
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def _hal_disable_irq(self):
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self._disable_clk_irq()
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self._disable_dt_irq()
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def _hal_close(self):
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self._hal_disable_irq()
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