50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
from machine import Pin
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from time import sleep
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class LED:
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"""Define a LED on a defined pin"""
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def __init__(self,LEDPin=2):
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self.LEDPin=Pin(LEDPin,Pin.OUT)
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print ("New LED defined on Pin %s"%LEDPin)
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def Blink(self,number,timeon=0.2,timeoff=0.2):
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"""Blinks the LED (number) times, (timeon) and (timeoff) are self explanatory"""
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for x in range (number):
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self.LEDPin.off()
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sleep(timeon)
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self.LEDPin.on()
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sleep(timeoff)
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def Pulse(self,seconds,Speed=1):
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"""Helper function for Morse Code"""
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self.LEDPin.off()
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sleep(seconds)
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self.LEDPin.on()
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sleep (0.1*Speed)
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def Morse(self,text,Speed=1):
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"""Blinks (text) in morse code. Speed is around 60 cpm at 1 and proportional"""
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Speed=1/Speed
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Dot=0.1*Speed
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Dash=0.3*Speed
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SpaceInLetter=0.1*Speed
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SpaceBetweenLetters=0.3*Speed
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Space=0.7*Speed
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alphabet={' ':' ','a':'.-','b':'-...','c':'-.-.','d':'-..','e':'.','f':'..-.','g':'--.',
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'h':'....','i':'..','j':'.---','k':'-.-','l':'.-..','m':'--','n':'-.','o':'---',
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'p':'.--.','q':'--.-','r':'.-.','s':'...','t':'-','u':'..-','v':'...-','w':'.--',
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'x':'-..-','y':'-.--','z':'--..','1':'.----','2':'..---','3':'...--','4':'....-',
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'5':'.....','6':'-....','7':'--...','8':'---..','9':'----.','0':'-----',
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'.':'.-.-.-',}
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print ("morsing %s"%text)
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for c in text:
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for m in alphabet[c.lower()]:
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if m == '.':
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self.Pulse(Dot,Speed)
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if m == '-':
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self.Pulse(Dash,Speed)
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if m == ' ':
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sleep(Space)
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sleep(SpaceBetweenLetters)
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