85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
import utime
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from machine import Pin
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class Button:
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DEBOUNCE_MS = 50
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DOUBLECLICK_MS = 400
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HOLD_MS = 1000
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def __init__(self, pin: Pin) -> None:
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self._pin = pin
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self._pressed = False
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self._clicked = False
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self._doubleclicked = False
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self._held = False
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self._debounce = 0
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self._hold = 0
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self._doubleclick = 0
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if self._pin():
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self._debounce = utime.ticks_ms()
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def update(self) -> None:
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now = utime.ticks_ms()
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if self._pin():
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if self._debounce and now - self._debounce >= self.DEBOUNCE_MS:
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self._debounce = 0
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self._pressed = True
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self._hold = now
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elif not self._pressed and not self._debounce:
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self._debounce = now
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elif self._hold and now - self._hold >= self.HOLD_MS:
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self._hold = 0
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self._held = True
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else:
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if self._pressed:
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self._pressed = False
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if self._doubleclick:
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if now - self._doubleclick <= self.DOUBLECLICK_MS:
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self._doubleclicked = True
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self._doubleclick = 0
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self._hold = 0
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self._held = False
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else:
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self._doubleclick = now
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if self._doubleclick and now - self._doubleclick > self.DOUBLECLICK_MS:
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if not self._held:
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self._clicked = True
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self._doubleclick = 0
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self._hold = 0
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self._held = False
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def pressed(self) -> bool:
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return self._pressed
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def was_clicked(self) -> bool:
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if self._clicked:
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self._clicked = False
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return True
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return False
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def was_double_clicked(self) -> bool:
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if self._doubleclicked:
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self._doubleclicked = False
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return True
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return False
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def held(self) -> bool:
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return self._held
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if __name__ == "__main__":
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button = Button(Pin(36, Pin.IN))
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while True:
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button.update()
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if button.was_clicked():
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print("CLICKED")
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if button.was_double_clicked():
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print("DOUBLE-CLICKED")
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if button.held():
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print("HELD")
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utime.sleep_ms(10)
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