You can pick from a predefined list of Displays, Transforms, and default Camera Actors, or add any available UE components.įor each different instance of your Unreal Engine application that you'll use in your nDisplay network, you need to define a Cluster Node. Adding components to the inherited Root Component is the first step in designing an nDisplay network. The Components panel defines the physical display, tracking, and in-camera setup for the nDisplay cluster. See Toolbar for more details on the other options. cfg) from the local computer.Įxport: Exports the nDisplay settings to a configuration file (.ndisplay) on the local computer. Import: Imports an nDisplay configuration file (.ndisplay. The following are the two buttons unique to the nDisplay 3D Config Editor: The Toolbar in the 3D Config Editor shares most of the buttons with the Toolbar in the Blueprint Editor. Output Mapping, located in the middle of the Editor below the Preview panel.Ĭompiler Results, located in the bottom right of the Editor below the Details panel. Preview, located in the middle of the Editor to the right of the Components panel.ĭetails, located on the right of the Editor next to the Preview panel.Ĭluster, located on the left of the Editor below the Components panel. Update functions.Toolbar, located in the top left of the Editor.Ĭomponents, located on the left below the Toolbar. The first one is to use Nextion Sensors for every UI field and use one of the Once you know the page id, it’s time to update the components. x argument will contain a page id integer. Here you can initiate updates of the relevant components.īefore actually updating components, you need to understand which page Nextion was switched to. However, if this is not the case and all / some of your UI components have local visibility scope, on_page will be your remedy. If you fully own your Nextoin HMI design and follow the best practice of setting the components’ vscope to global in the Nextion Editor, you’ll probably never need this trigger. In either case, this automation can be helpful to update on-screen controls for the newly displayed page. Nextion can change pages as a reaction to user’s activity (e.g. This includes both ESP and Nextion initiated page changes.ĮSP initiates a page change by calling goto_page("page_name") function. This automation is triggered when a page is changed on the Nextion display. Use these triggers to prepare your codeįor that and force-update the on-screen content once it’s back. Nextion is not responsive while in sleep mode. The action is called before and after Nextion goes to sleep mode. Then, in the rendering lambda, you can use the various API calls Send instructions to the display to tell it how to render something and what to render.įirst, you need to use the Nextion Editor toĬreate a display file and insert it using the SD card slot. With Nextion displays, a dedicated chip on the display itself does the whole rendering. On_page ( Optional, Action): An action to be performed after a page change. On_wake ( Optional, Action): An action to be performed when the Nextion wakes up. On_sleep ( Optional, Action): An action to be performed when the Nextion goes to sleep. On_setup ( Optional, Action): An action to be performed after ESPHome connects to the Nextion. Wake_up_page ( Optional, int): Sets the page to display after waking upĪuto_wake_on_touch ( Optional, boolean): Sets if Nextion should auto-wake from sleep when touch press occurs. Touch_sleep_timeout ( Optional, int): Sets internal No-touch-then-sleep timer in seconds. Tft_url ( Optional, string): The URL to download the TFT file from for updates. Id ( Optional, ID): Manually specify the ID used for code generation. Update_interval ( Optional, Time): The interval to call the lambda to update the display. The individual components for the Nextion will handle almost all features needed for updating See Rendering Lambda for more information. Lambda ( Optional, lambda): The lambda to use for rendering the content on the nextion display. Use this if you want to use multiple UART buses at once.īrightness ( Optional, percentage): Set display brightness in %. Uart_id ( Optional, ID): The ID of the UART bus you wish to use for this display. # Example configuration entry uart : id : uart_2 rx_pin : GPIO16 tx_pin : GPIO17 baud_rate : 115200 display : - platform : nextion id : nextion1 uart_id : uart_2 lambda : |- it.set_component_value("gauge", 50) it.set_component_text("textview", "Hello World!") Configuration variables: ¶
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