# General Functions

- [GREY()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/grey.md)
- [accessTelemetryPush()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/accesstelemetrypush.md)
- [chdir(directory)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/chdir.md)
- [crossfireTelemetryPop()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/crossfiretelemetrypop.md)
- [crossfireTelemetryPush()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/crossfiretelemetrypush.md)
- [defaultChannel(stick)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/defaultchannel.md)
- [defaultStick(channel)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/defaultstick.md)
- [flushAudio()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/flushaudio.md)
- [getAvailableMemory()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getavailablememory.md)
- [getDateTime()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getdatetime.md)
- [getFieldInfo(source)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getfieldinfo.md)
- [getFlightMode(mode)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getflightmode.md)
- [getGeneralSettings()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getgeneralsettings.md)
- [getGlobalTimer()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getglobaltimer.md)
- [getLogicalSwitchValue(id)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getlogicalswitchvalue-id.md)
- [getOutputValue(outputIndex)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getoutputvalue-outputindex.md)
- [getRAS()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getras.md)
- [getRSSI()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getrssi.md)
- [getRotEncMode()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getrotencmode.md)
- [getRotEncSpeed()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getrotencspeed.md)
- [getRtcTime()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getrtctime.md)
- [getShmVar(id)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getshmvar-id.md)
- [getSourceIndex(sourceName)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getsourceindex-sourcename.md)
- [getSourceName(sourceIndex)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getsourcename-sourceindex.md)
- [getSourceValue(source)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getsourcevalue-source.md)
- [getSwitchIndex(positionName)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getswitchindex-positionname.md)
- [getSwitchName(switchIndex)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getswitchname-switchindex.md)
- [getSwitchValue(switchIndex)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getswitchvalue-switchindex.md)
- [getTime()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/gettime.md)
- [getTxGPS()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/gettxgps.md)
- [getUsage()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getusage.md)
- [getValue(source)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getvalue.md)
- [getVersion()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/getversion.md)
- [ghostTelemetryPop()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/ghosttelemetrypop.md)
- [ghostTelemetryPush()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/ghosttelemetrypush.md)
- [killEvents(key)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/killevents.md)
- [loadScript(file \[, mode\], \[,env\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/loadscript.md)
- [multiBuffer(address\[,value\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/multibuffer.md)
- [playDuration(duration \[, hourFormat \[, volume\]\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/playduration.md): Play a time value (text to speech)
- [playFile(filename \[, volume\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/playfile.md): Play a file from the SD card
- [playHaptic(duration, pause \[, flags\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/playhaptic.md)
- [playNumber(value, unit \[, attributes \[, volume\]\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/playnumber.md): Play a numerical value (text to speech)
- [playTone(frequency, duration, pause \[, flags \[, freqIncr \[, volume\]\]\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/playtone.md): Play a tone
- [popupConfirmation(title, message, event)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/popupconfirmation.md)
- [popupInput(title, event, input, min, max)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/popupinput.md)
- [popupWarning(title, event)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/popupwarning.md)
- [resetGlobalTimer(\[type\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/resetglobaltimer.md)
- [serialGetPower(port\_nr)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/serialgetpower-port_nr.md)
- [serialRead(\[num\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/serialread.md)
- [serialSetPower(port\_nr, value)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/serialsetpower-port_nr-value.md)
- [serialWrite(str)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/serialwrite.md)
- [setSerialBaudrate(baudrate)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/setserialbaudrate.md)
- [setShmVar(id, value)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/setshmvar-id-value.md)
- [setStickySwitch(id, value)](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/setstickyswitch-id-value.md)
- [setTelemetryValue(id, subID, instance, value \[, unit \[, precision \[, name\]\]\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/settelemetryvalue.md)
- [sources(\[first\[, last\]\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/sources-first-last.md)
- [switches(\[first\[, last\]\])](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/switches-first-last.md)
- [sportTelemetryPop()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/sporttelemetrypop.md)
- [sportTelemetryPush()](/2.10/part_iii_-_opentx_lua_api_reference/general-functions-less-than-greater-than-luadoc-begin-general/sporttelemetrypush.md)