82 lines
2.6 KiB
Python
82 lines
2.6 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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# Sounds
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# (Duration,Freq)
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# If Last Duration is None play last Freq times (negative = infinite)
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BEEP = ((100,1100),)
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BEEPBEEP = ((700,1000),(100,None),(600,1000))
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# 0: BEEEEP BEEEEP BEEEEEP
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# 1: Alle Meine Entchen
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ALARMTONES = (((300,1200),(80,None),(200,1200),(300,None),(None,10)),
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((400,c),(80,None),(400,d),(80,None),(400,e),(80,None),(400,f),(80,None),\
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(900,g),(80,None),(900,g),(80,None),(400,a),(80,None),(400,a),(80,None),\
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(400,a),(80,None),(400,a),(80,None),(1900,g),(80,None),(400,a),(80,None),\
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(400,a),(80,None),(400,a),(80,None),(400,a),(80,None),(1600,g),(80,None),\
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(400,f),(80,None),(400,f),(80,None),(400,f),(80,None),(400,f),(80,None),\
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(900,e),(80,None),(900,e),(80,None),(400,d),(80,None),(400,d),(80,None),\
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(400,d),(80,None),(400,d),(80,None),(1600,c)),)
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class Buzzer():
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def __init__(self,pin,duty = 1000):
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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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timesPlayed = 0
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#print("Play sound!")
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i = 0
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while i < len(self.sound):
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s = self.sound[i]
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if s[0] == None:
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if s[1]-timesPlayed == 0:
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break
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else:
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i = 0
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timesPlayed += 1
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continue
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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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pass
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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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i+=1
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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 |