It is based on https://developer.mbed.org/users/gregeric/code/Nucleo_Hello_Encoder/

Revisions of rotary_encoder.cpp

Revision Date Message Actions
2:4580c3869b7b 2016-02-26 add servo and PID File  Diff  Annotate
0:caf1d0bc4b90 2016-02-06 many classes File  Diff  Annotate