LUA Reference Guide
2.11
2.11
  • EdgeTX LUA Reference Guide
  • Overview
    • Lua Basics
    • LUA version and included libraries
      • io Library
    • Script Types
      • One-Time Scripts
      • Telemetry Scripts
      • Widget Scripts
      • Function Scripts
      • Mixes Scripts
    • Radios
      • BetaFPV
      • FlySky
      • FrSky
      • Jumper
      • Radiomaster
        • TX16S
    • Internal indexes
      • Source List
      • Switch Positions List
  • LUA API Reference
    • Constants
      • Color Constants
      • Flags and Pattern Constants
      • Key Event Constants
      • Logical Switch Function Constants
      • Screen Constants
      • Special Character Constants
      • Special Function Constants
      • Touch Event Constants
      • Widget Options Constants
      • Units
    • Display LCD
      • Lcd Functions Overview
      • lcd.clear
      • lcd.drawBitmap
      • lcd.drawChannel
      • lcd.drawCombobox(x, y, w, list, idx [, flags])
      • lcd.drawFilledRectangle(x, y, w, h [, flags])
      • lcd.drawGauge(x, y, w, h, fill, maxfill [, flags])
      • lcd.drawLine(x1, y1, x2, y2, pattern, flags)
      • lcd.drawNumber(x, y, value [, flags])
      • lcd.drawPixmap(x, y, name)
      • lcd.drawPoint(x, y)
      • lcd.drawRectangle(x, y, w, h [, flags [, t]])
      • lcd.drawScreenTitle(title, page, pages)
      • lcd.drawSource(x, y, source [, flags])
      • lcd.drawSwitch(x, y, switch, flags)
      • lcd.drawText(x, y, text [, flags])
      • lcd.drawTimer(x, y, value [, flags])
      • lcd.drawAnnulus(x, y, r1, r2, start, end [, flags])
      • lcd.drawArc(x, y, r, start, end [, flags])
      • lcd.drawCircle(x, y, r [, flags])
      • lcd.drawFilledCircle(x, y, r [, flags])
      • lcd.drawFilledTriangle(x1, y1, x2, y2, x3, y3 [, flags])
      • lcd.drawHudRectangle(pitch, roll, xmin, xmax, ymin, ymax [, flags])
      • lcd.drawLineWithClipping(x1, y1, x2, y2, xmin, xmax, ymin, ymax, pattern [, flags])
      • lcd.drawPie(x, y, r, start, end [, flags])
      • lcd.drawTriangle(x1, y1, x2, y2, x3, y3 [, flags])
      • lcd.getColor(area)
      • lcd.getLastLeftPos()
      • lcd.getLastPos()
      • lcd.getLastRightPos()
      • lcd.drawBitmapPattern(bitmap, x, y [, flags])
      • lcd.drawBitmapPatternPie(bitmap, x, y, startAngle, endAngle [, flags])
      • lcd.drawTextLines(x, y, w, h, text [, flags])
      • lcd.exitFullScreen()
      • lcd.invertRect(x, y, w, h [, flags])
      • lcd.refresh()
      • lcd.RGB
      • lcd.resetBacklightTimeout()
      • lcd.setColor(area, color)
      • lcd.sizeText(text [, flags])
      • popupConfirmation(title, message, event)
      • popupInput(title, event, input, min, max)
      • popupWarning(title, event)
      • GREY()
    • LVGL for Lua
      • Overview
      • Examples
      • Constants
      • API
      • lvgl.align
      • lvgl.arc
      • lvgl.box
      • lvgl.build
      • lvgl.button
      • lvgl.choice
      • lvgl.file
      • lvgl.circle
      • lvgl.clear
      • lvgl.color
      • lvgl.confirm
      • lvgl.dialog
      • lvgl.isAppMode
      • lvgl.isFullScreen
      • lvgl.exitFullScreen
      • lvgl.font
      • lvgl.getContext
      • lvgl.message
      • lvgl.momentaryButton
      • lvgl.hide
      • lvgl.hline
      • lvgl.image
      • lvgl.label
      • lvgl.line
      • lvgl.menu
      • lvgl.numberEdit
      • lvgl.page
      • lvgl.qrcode
      • lvgl.rectangle
      • lvgl.set
      • lvgl.setting
      • lvgl.show
      • lvgl.slider
      • lvgl.verticalSlider
      • lvgl.source
      • lvgl.switch
      • lvgl.textEdit
      • lvgl.timer
      • lvgl.toggle
      • lvgl.triangle
      • lvgl.vline
    • Model Functions
      • model.defaultInputs
      • model.deleteFlightModes
      • model.deleteInput
      • model.deleteInputs
      • model.deleteMix
      • model.deleteMixes
      • model.getCurve
      • model.getCustomFunction(function)
      • model.getFlightMode(index)
      • model.getGlobalVariable(index, flight_mode)
      • model.getInfo
      • model.getInput(input, line)
      • model.getInputsCount(input)
      • model.getLogicalSwitch(switch)
      • model.getMix(channel, line)
      • model.getMixesCount(channel)
      • model.getModule(index)
      • model.getOutput(index)
      • model.getSensor(sensor)
      • model.getTimer(timer)
      • model.insertInput(input, line, value)
      • model.insertMix(channel, line, value)
      • model.getSwashRing()
      • model.setSwashRing(params)
      • model.resetSensor(sensor)
      • model.resetTimer(timer)
      • model.setCurve(curve, params)
      • model.setCustomFunction(function, value)
      • model.setFlightMode(index, params)
      • model.setGlobalVariable(index, flight_mode, value)
      • model.setInfo(value)
      • model.setLogicalSwitch(switch, value)
      • model.setModule(index, value)
      • model.setOutput(index, value)
      • model.setTimer(timer, value)
    • Bitmap Functions
      • Bitmap.resize(bitmap, width, height)
      • Bitmap.toMask(bitmap)
      • Bitmap.getSize(name)
      • Bitmap.open(name)
    • Filesystem
      • chdir(directory)
      • del(file or directory)
      • dir(directory)
      • fstat(path)
    • Serial Ports
      • serialGetPower(port_nr)
      • serialRead([num])
      • serialSetPower(port_nr, value)
      • serialWrite(str)
      • setSerialBaudrate(baudrate)
    • System
      • defaultChannel(stick)
      • defaultStick(channel)
      • getGeneralSettings()
      • getVersion()
      • screenshot()
    • Key Inputs
      • getRotEncMode()
      • getRotEncSpeed()
      • killEvents(key)
    • LUA Scripts
      • getAvailableMemory()
      • getUsage()
      • loadScript(file [, mode], [,env])
    • Time
      • getDateTime()
      • getGlobalTimer()
      • getRtcTime()
      • getTime()
      • resetGlobalTimer([type])
    • Audio-Sound
      • playDuration(duration [, hourFormat])
      • playFile(name)
      • playHaptic(duration, pause [, flags])
      • playNumber(value, unit [, attributes])
      • playTone(frequency, duration, pause [, flags [, freqIncr]])
      • flushAudio()
    • Telemetry
      • getRSSI()
    • RF module
      • accessTelemetryPush()
      • crossfireTelemetryPop()
      • crossfireTelemetryPush()
      • ghostTelemetryPop()
      • ghostTelemetryPush()
      • sportTelemetryPop()
      • sportTelemetryPush()
      • getRAS()
      • multiBuffer(address[,value])
    • GPS
      • getTxGPS()
    • Variables
      • getFieldInfo(source)
      • getFlightMode(mode)
      • getLogicalSwitchValue(id)
      • getOutputValue(outputIndex)
      • getShmVar(id)
      • getSourceIndex(sourceName)
      • getSourceName(sourceIndex)
      • getSourceValue(source)
      • getSwitchIndex(positionName)
      • getSwitchName(switchIndex)
      • getSwitchValue(switchIndex)
      • getValue(source)
      • setShmVar(id, value)
      • setStickySwitch(id, value)
      • sources([first[, last]])
      • switches([first[, last]])
  • LUA API Programming
    • Data Exchange with the EdgeTX Model Setup
    • Drawing Flags and Colors
    • Init Function Syntax
    • Input Table Syntax
    • Loading Code Modules Dynamically
    • Output Table Syntax
    • Return Statement Syntax
    • Run Function Syntax
    • Saving Memory
    • Using Key and Touch Events
    • Advanced Topics
      • Debugging techniques
      • Lua data sharing across scripts
      • Speed/memory optimizaton tricks
  • Appendixes
    • Fonts
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Overview

This section covers various topics of LUA implementation in EdgeTX operating system system

Topic
Description

LUA Basics

Brief introduction to LUA language

LUA Version and included libraries

Dut to memory limits not all standard LUA libraries are included in EdgeTX embedded version of LUA interpreter & compiler.

Script Types

EdgeTX allows to use various LUA scripts for different purposes. Here you can check which one suits your needs.

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Last updated 9 months ago

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