Here is a list of all struct and union fields with links to the structures/unions they belong to:

### - u -

- unwrapped_angle : ref_app_breathing_handle
- update_background : acc_touchless_button_handle_t
- update_index : acc_surface_velocity_handle_t , hand_motion_detection_handle
- update_index_at_detection : hand_motion_detection_handle
- update_rate : cargo_config_t
- use_presence_detection : hand_motion_detection_config_t
- use_presence_processor : ref_app_breathing_config_t , ref_app_breathing_handle
- use_wakeup_mode : acc_ref_app_smart_presence_config_t
- used_config : acc_smart_presence_result_t
- utilization : cargo_config_t
- utilization_valid : cargo_result_t