Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

### - u -

- uart_abort_cplt_callback : _hal_uart_callback
- uart_abort_rx_cplt_callback : _hal_uart_callback
- uart_abort_tx_cplt_callback : _hal_uart_callback
- uart_error_callback : _hal_uart_callback
- uart_msp_deinit : _hal_uart_callback
- uart_msp_init : _hal_uart_callback
- uart_rx_cplt_callback : _hal_uart_callback
- uart_tx_cplt_callback : _hal_uart_callback
- uds_chars_flag : uds_init_t
- uds_chars_val : uds_evt_t
- uds_regi_user_data_flag : uds_init_t
- unit : prf_char_pres_fmt_t
- unread_alert : ans_c_evt_t
- unread_num : ans_c_unread_alert_t , ans_unread_alert_t
- update_result : rtus_update_state_t
- use_mode : app_adc_params_t , app_aes_params_t , app_i2c_params_t , app_i2s_params_t , app_qspi_params_t , app_spi_params_t , app_uart_params_t
- use_type : app_aes_params_t , app_hmac_params_t , app_pkc_params_t , app_rng_params_t
- use_whitelist : gap_scan_param_t
- user_id : bcs_meas_val_t , bps_meas_t , wss_meas_val_t
- user_id_present : bcs_meas_flag_t , bps_meas_t
- user_index : uds_init_t
- user_name_truncated : uds_regi_user_data_flag_t
- uuid : attm_desc_128_t , attm_desc_t , ble_gattc_browse_srvc_t , ble_uuid_t , gattc_browse_attr_char_t , gattc_browse_attr_t , gattc_browse_inc_srvc_t , gatts_create_db_t
- uuid_len : ble_gattc_browse_srvc_t , ble_gattc_char_t , ble_gattc_desc_t , ble_gattc_include_t , ble_gattc_service_t , ble_uuid_t , gattc_browse_attr_char_t , gattc_browse_attr_t , gattc_browse_inc_srvc_t