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20 lines
675 B
20 lines
675 B
# Pulsates an LED connected to GPIO pin 1 with a suitable resistor 4 times using softPwm
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# softPwm uses a fixed frequency
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import wiringpi2
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OUTPUT = 1
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PIN_TO_PWM = 1
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wiringpi2.wiringPiSetup()
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wiringpi2.pinMode(PIN_TO_PWM,OUTPUT)
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wiringpi2.softPwmCreate(PIN_TO_PWM,0,100) # Setup PWM using Pin, Initial Value and Range parameters
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for time in range(0,4):
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for brightness in range(0,100): # Going from 0 to 100 will give us full off to full on
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wiringpi2.softPwmWrite(PIN_TO_PWM,brightness) # Change PWM duty cycle
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wiringpi2.delay(10) # Delay for 0.2 seconds
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for brightness in reversed(range(0,100)):
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wiringpi2.softPwmWrite(PIN_TO_PWM,brightness)
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wiringpi2.delay(10)
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