### - u -

- uart_log() : i2c_distance_detector.c , i2c_presence_detector.c
- uart_wait_for_tx_done() : acc_exploration_server_stm32.c
- update_configuration() : example_processing_amplitude.c , example_processing_static_presence.c , example_processing_subtract_adaptive_bg.c , example_processing_coherent_mean.c , example_processing_noncoherent_mean.c , example_processing_peak_interpolation.c
- update_presence_distance() : ref_app_breathing.c
- update_system_tick() : acc_integration_stm32.c
- update_threshold() : example_surface_velocity.c
- UsageFault_Handler() : stm32l4xx_it.h , stm32l4xx_it.c
- USART2_IRQHandler() : stm32l4xx_it.h , stm32l4xx_it.c