69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
import machine
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import uasyncio as asyncio
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c = 261 #Hz
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d = 294 #Hz
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e = 329 #Hz
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f = 349 #Hz
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g = 392 #Hz
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a = 440 #Hz
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b = 493 #Hz
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C = 523 #Hz
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# (Duration,Freq)
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# If Last Duration is None play endlessly
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# 0: Silent
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# 1: BeepBeep
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# 2: Alle Meine Entchen
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SOUNDS = [((0,None),),\
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((700,1000),(100,None),(600,1000)),\
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((400,c),(100,None),(400,d),(100,None),(400,e),(100,None),(400,f),(100,None),\
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(900,g),(100,None),(900,g),(100,None),(400,a),(100,None),(400,a),(100,None),\
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(400,a),(100,None),(400,a),(100,None),(1900,g),(100,None),(400,a),(100,None),\
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(400,a),(100,None),(400,a),(100,None),(400,a),(100,None),(1900,g),(100,None),\
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(400,f),(100,None),(400,f),(100,None),(400,f),(100,None),(400,f),(100,None),\
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(900,e),(100,None),(900,e),(100,None),(400,d),(100,None),(400,d),(100,None),\
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(400,d),(100,None),(400,d),(100,None),(2000,c))]#,(None,None)
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class Buzzer():
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def __init__(self,pin,duty = 100):
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self._pwm = machine.PWM(machine.Pin(2), freq=0, duty=0)
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self.sound = None
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self.duty = duty
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self.newSound = True
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loop = asyncio.get_event_loop()
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loop.create_task(self._update_async())
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async def _update_async(self):
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while True:
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if self.sound == None:
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await asyncio.sleep_ms(200)
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self._pwm.duty(0)
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else:
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self.newSound = False
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for i in range(len(self.sound)):
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s = self.sound[i]
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if s[0] == None:
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i = 0
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if (s[1] != None):
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self._pwm.freq(s[1])
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self._pwm.duty(self.duty)
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else:
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self._pwm.duty(0)
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await asyncio.sleep_ms(s[0])
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if self.newSound or self.sound == None:
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break
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if (not self.newSound):
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self.sound = None
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self.newSound = False
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def playSound(self,sound):
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self.newSound = True
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self.sound = sound
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def stop(self):
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self.sound = None
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def isPlaying(self):
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return self.sound == None |