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

• FRAME_Number_Operation_t : frame.h
• NUMBER_Radix_t : radix.h
• NUMBER_Type_t : datatypes.h
• TWI_Acknowledge_t : TWI_enums.h
• TWI_Error_t : TWI_enums.h
• TWI_Operation_t : TWI_enums.h