NXP Semiconductors
MCU-SMHMI-UG
Smart HMI User Guide
Figure 20. Start button
During the brewing process, the display transitions to the brewing screen, which
represents a coffee being brewed and dispensed. While coffee is brewing, the selected
type, size, and strength of the coffee being brewed are shown onscreen.
5.2.3.6 Saving coffee selection
Users can associate their preferred coffee and language settings with their face for the
TLHMI kit to reuse their coffee preferences when the camera next recognizes them.
To save a new user, configure the preferred coffee and language settings using the
controls described in the previous sections. After configuring the settings, begin brewing
coffee, by pressing the
Start
button or using the "Start" voice command.
When the coffee brewing animation is complete, the screen briefly transitions to the
While the final screen is being shown, an audio prompt plays, "Save your coffee
selection? Confirm or Cancel" for either of the following events:
•
The application detects an unrecognized face
•
A face is recognized, but a coffee different from the saved preferences is chosen
Replying "Confirm" (or the equivalent in the configured language) saves the current
coffee selection to the user’s face and transitions the kit back to Standby mode.
Replying "Cancel" (or the equivalent in the configured language) aborts saving the
current coffee selection and transitions the kit back to Standby mode.
5.2.3.7 Automatic coffee selection
When the application boots and/or transitions out of Standby mode and recognizes a
face, an audio prompt asks users if they would like to reuse their saved coffee selection.
MCU-SMHMI-UG
All information provided in this document is subject to legal disclaimers.
© 2022 NXP B.V. All rights reserved.
User guide
Rev. 0 — 29 September 2022
20 / 51
