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docs: Correct machine.Timer code examples related to duty cycle.

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danicampora
2016-02-23 20:18:45 +01:00
parent 8e1fdf2eb3
commit 57b96a7be2
2 changed files with 12 additions and 14 deletions
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12
docs/wipy/quickref.rst
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@@ -63,16 +63,12 @@ PWM (pulse width modulation)
See :ref:`machine.Pin <machine.Pin>` and :ref:`machine.Timer <machine.Timer>`. ::
from machine import Timer
from machine import Pin
# assign GP25 to alternate function 9 (PWM)
p_out = Pin('GP25', mode=Pin.AF, alt=9)
# timer 2 in PWM mode and width must be 16 buts
tim = Timer(2, mode=Timer.PWM, width=16)
# timer 1 in PWM mode and width must be 16 buts
tim = Timer(1, mode=Timer.PWM, width=16)
# enable channel A @1KHz with a 50% duty cycle
tim_a = tim.channel(Timer.A, freq=1000, duty_cycle=50)
# enable channel A @1KHz with a 50.55% duty cycle
tim_a = tim.channel(Timer.A, freq=1000, duty_cycle=5055)
ADC (analog to digital conversion)
----------------------------------