micropython/tests/pyb/timer.py

# check basic functionality of the timer class

import pyb
from pyb import Timer

tim = Timer(4)
tim = Timer(4, prescaler=100, period=200)
print(tim.prescaler())
print(tim.period())
tim.prescaler(300)
print(tim.prescaler())
tim.period(400)
print(tim.period())

# Setting and printing frequency
tim = Timer(2, freq=100)
print(tim.freq())
tim.freq(0.001)
print('{:.3f}'.format(tim.freq()))