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

• ch9121_bool_t : driver_ch9121.h
• ch9121_mode_t : driver_ch9121.h
• ch9121_parity_t : driver_ch9121.h
• ch9121_port_t : driver_ch9121.h
• ch9121_status_t : driver_ch9121.h