forked from espressif/esp-idf
1. Modify some comments in pcnt.h 2. Modify api/pcnt.rst 3. Improve example code. 4. Add status definitions in pcnt_reg.h
1. Modify some comments in pcnt.h 2. Modify api/pcnt.rst 3. Improve example code. 4. Add status definitions in pcnt_reg.h