wordclock/src/asynced.py

38 lines
792 B
Python

import time
def delay(secs: float) -> generator:
end = time.monotonic() + secs
while time.monotonic() < end:
yield None
def fps(fps: float) -> generator:
yield None
dt = 1 / fps
until = time.monotonic() + dt
while True:
remain = until - time.monotonic()
if remain > 0:
time.sleep(remain)
until += dt
if remain < -dt:
# Catch up a bit
until += -remain / 3
yield None
def wait(stop: int) -> generator:
start = time.monotonic()
while True:
elapsed = int((time.monotonic() - start) * 1000)
elapsed = min(stop, elapsed)
yield elapsed
if elapsed >= stop:
break
def test():
for f in delay(2.0):
print(utime.ticks_ms())