VisualHMI system callback functions: a comprehensive explanation of on_init/on_run/on_press/on_update
System callbacks areevent interfac…
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Entwicklung von HMI / HMI
Guangzhou Color VisualHMI Serial Port Screen Konfiguration Entwicklung Daten, um Modbus Master-Slave - Kommunikation, LUA-Skript, Konfigurationssteuerung und andere reale Inhalte abzudecken.
VisualHMI RW power-down storage area: Flash lifespan, sector landing sequence, and secure initialization
The RW area is thepower-down save …
Read moreVisualHMI on LUA: main.lua structure, data type declaration, error checking, and modularization
LUA is the scripting language for …
Read moreVisualHMI operation record: Audit user operations, page turning, and export/clear
Operation Record Control recordsus…
Read moreVisualHMI alarm record: trigger conditions, level filtering, buzzer and backlight linkage
The alarm system supportscustom tr…
Read moreVisualHMI data recording: 1000-channel table, timestamp positioning, and string concatenation
The data recording control combine…
Read moreVisualHMI Historical Curve: 16-channel Trend, Page Turning, Zooming, and Data/Continuous Sampling
Historical curve recording tracks …
Read moreVisualHMI data sampling: timed/triggered sampling, power-down storage and export (record function foundation)
Data sampling is the foundation of…
Read moreVisualHMI video playback: H264/MP4 format requirements, startup video, and controlled playback
M series serial port screens suppo…
Read moreVisualHMI Camera Controls: CVBS/DVP/UVC Camera Access, Controlled Playback, and Color Filtering
Camera controls allow the HMI to d…
Read moreVisualHMI embedded interface: content browsing across multiple screens, 10000x10000 logical canvas
The embedded screen is asuper-scre…
Read moreVisualHMI sliding interface: fixed/dynamic/arbitrary three sliding ranges and navigation points
The sliding screen is acontainer-t…
Read moreVisualHMI time control: RTC display/editing, 12/24-hour format and clock
The time control supports two form…
Read moreVisualHMI Art Word: Special Effects Digital Display, 0123456789-
Artistic text display with special…
Read moreVisualHMI dynamic drawing: continuous register drawing commands, LUA set_array, and enclosed filling
The dynamic drawing control allows…
Read moreVisualHMI QR Code Control: Dynamically Generated QR Code, Error Correction Level, and Content Register
The QR Code control dynamically ge…
Read moreVisualHMI Flow Block: Simulating pipeline fluid flow and dynamic speed control
The flow block is used tosimulate …
Read moreVisualHMI instrument pointer: pointer direction, starting and ending angles, and rotation center
The instrument pointer simulates a…
Read moreVisualHMI circular progress bar: inner ring value, starting and ending angles, and slider adjustment
The circular progress bar integrat…
Read moreVisualHMI progress bar: fixed/variable range, solid color/gradient/texture mapping, and range alarm
The progress bar is a classic visu…
Read moreVisualHMI animation control: automatic/conditional playback, switch to a new screen after playback, or send a notification
Animation control playsmulti-frame…
Read moreVisualHMI rotary encoder: EC11 knob rotation and button detection (LUA initialization)
The rotary encoder is aphysical ha…
Read moreVisualHMI image carousel: two modes: basic carousel and dynamic icon mapping
The image carousel control display…
Read moreVisualHMI Scroll Wheel Control: Sliding Value Selection, Inertial Looping, and Dynamic Options
The scroll wheel control is agestu…
Read moreVisualHMI dropdown options: Static/Dynamic options, Numerical Conversion, and Historical Date
Drop-down selection control forto …
Read moreVisualHMI slider: continuous value adjustment, fixed/variable range, and slider appearance
The slider is acontinuous value ad…
Read moreVisualHMI text control: string display input, GBK/UTF-8/UNICODE encoding, and marquee
Text control is used for displayin…
Read moreVisualHMI numerical control: data type/scaling conversion/range limitation/warning color/password display
The numeric control is the most co…
Read moreVisualHMI function buttons: screen switching/dialog box/menu/condition triggering/notification
The function button serves as the …
Read moreVisualHMI dynamic button: switch control with sliding feedback linked to permissions
The dynamic button is a switch con…
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