suspect-devices/circuitpython/extmod/utime_mphal.c, branch v1.8.5 CircuitPython - a Python implementation for teaching coding with microcontrollers https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=v1.8.5 2016-10-14T19:19:45+00:00 extmod/utime_mphal: sleep_us/ms(): Don't wait on negative argument. 2016-10-14T19:19:45+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2016-10-14T19:19:45+00:00 urn:sha1:36f97f19b44471f2ed1a3bd37e096ce32a852a1f extmod/utime_mphal: Factor out implementations in terms of mp_hal_* for reuse. 2016-10-14T17:14:01+00:00 Paul Sokolovsky pfalcon@users.sourceforge.net 2016-10-14T17:13:02+00:00 urn:sha1:a97284423eba9470c16c5f02fadea14bd8263751 As long as a port implement mp_hal_sleep_ms(), mp_hal_ticks_ms(), etc. functions, it can just use standard implementations of utime.sleel_ms(), utime.ticks_ms(), etc. Python-level functions.