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docs/zephyr: Add quick reference for PWM support.

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Add docs for PWM support.

Signed-off-by: Ayush Singh <ayush@beagleboard.org>
This commit is contained in:
Ayush Singh
2024-10-19 13:13:39 +05:30
committed by Damien George
parent f4a7e713ea
commit c9c39b88af
1 changed files with 15 additions and 0 deletions
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docs/zephyr/quickref.rst
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@@ -56,6 +56,21 @@ Use the :ref:`machine.Pin <machine.Pin>` class::
switch = Pin(("gpioc", 6), Pin.IN) # create input pin for a switch switch = Pin(("gpioc", 6), Pin.IN) # create input pin for a switch
switch.irq(lambda t: print("SW2 changed")) # enable an interrupt when switch state is changed switch.irq(lambda t: print("SW2 changed")) # enable an interrupt when switch state is changed
PWM
---
Use the :ref:`machine.PWM <machine.PWM>` class::
from machine import PWM
pwm = PWM(("pwm0", 0), freq=3921568, duty_ns=200, invert=True) # create pwm on PWM0
print(pwm) # print pwm
print(pwm.duty_ns()) # print pwm duty cycle in nanoseconds
pwm.duty_ns(255) # set new pwm duty cycle in nanoseconds
pwm.deinit()
Hardware I2C bus Hardware I2C bus
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