+def await_true(name, fun, interval=0, patience=60):
+ from agnostic import sleep
+ from utime import ticks_ms, ticks_add, ticks_diff
+ print("Waiting {} sec until {} (CTRL+C give up)".format(patience, name))
+ deadline = ticks_add(ticks_ms(), int(patience * 1000))
+ try:
+ while ticks_diff(deadline, ticks_ms()) > 0:
+ if fun():
+ return True
+ else:
+ sleep(interval)
+ return False
+ except KeyboardInterrupt:
+ return False
+