42 lines
1.7 KiB
Python
42 lines
1.7 KiB
Python
import machine
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import time
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class Button():
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def __init__(self,pin,onPushDown = None, onPushUp = None,onClick = None,onHold = None,clickTime=300,debounceTimeMs = 50,inputMode = machine.Pin.IN,inverted = False):
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self.pin = machine.Pin(pin,inputMode)
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self.debounceTimestamp = -debounceTimeMs
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self.debounceTimeMs = int(debounceTimeMs)
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self.clickTime = clickTime
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self.pushDownTimeStamp = -clickTime
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self.setCallbacks(onPushDown,onPushUp,onClick,onHold)
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self.pin.irq(trigger=machine.Pin.IRQ_RISING|machine.Pin.IRQ_FALLING , handler=self._IRQ)
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self.value = self.pin.value()
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self.inverted = inverted
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def setCallbacks(self,onPushDown = None, onPushUp = None,onClick = None,onHold = None):
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self.onPushDown = onPushDown
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self.onPushUp = onPushUp
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self.onClick = onClick
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self.onHold = onHold
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def _IRQ(self,p):
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new_value = self.pin.value()
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time_ms = time.ticks_ms()
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if (self.value != new_value):
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self.value = new_value
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if ((self.debounceTimestamp+self.debounceTimeMs) < time_ms):
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self.debounceTimestamp = time_ms
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if (new_value ^ self.inverted):
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if (self.onPushUp != None):
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self.onPushUp()
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if (self.onClick != None and (self.pushDownTimeStamp + self.clickTime > time_ms)):
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self.onClick()
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else:
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if (self.onPushDown != None):
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self.onPushDown()
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self.pushDownTimeStamp = time_ms
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else:
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pass
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def isPushed(self):
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return not (self.pin.value() ^ self.inverted) |