Here is a list of all enums with links to the files they belong to:

hdc1080_battery_status_t : driver_hdc1080.h
hdc1080_bool_t : driver_hdc1080.h
hdc1080_humidity_resolution_t : driver_hdc1080.h
hdc1080_mode_t : driver_hdc1080.h
hdc1080_temperature_resolution_t : driver_hdc1080.h