Raysot Posted September 14 Report Share Posted September 14 Greetings all, I'm hoping someone has some insight into why certain A:Vars can't be read by LUA using the FSUIPC LUA engine. Specifically, I'm trying to read the following A:Vars: CIRCUIT SWITCH ON:73 CIRCUIT ON :125 I'm using the call: RudderBoost = ipc.readLvar("CIRCUIT SWITCH ON:73") Using the SimVar Watcher tool that comes with the 2020 SDK, I can get values from that A:Var I've tried several variations, like ipc.readLVar("A:CIRCUIT SWITCH ON:73") and ipc.readLVar("A:CIRCUIT SWITCH ON,73") ...and a few other variants, all returning NIL. It's a stupid-simple script so I won't take up text real estate with the other stuff. I have had success in reading most other L:Vars and offsets, but not A:Vars Hope somebody can help! Link to comment Share on other sites More sharing options...
John Dowson Posted September 15 Report Share Posted September 15 Which version of FSUIPC and what FS are you using? If its FSUIPC7 / MSFS, please use the specific sub-forum for this product. No A-type variables (also known as simvars) can be read via lua. The only A-type variables can be read are those that are held in FSUIPC offsets. 7 hours ago, Raysot said: I've tried several variations, like ipc.readLVar("A:CIRCUIT SWITCH ON:73") and ipc.readLVar("A:CIRCUIT SWITCH ON,73") ...and a few other variants, all returning NIL. Of course, as these facilities are for L-type variables, or lvars, only. You cannot use them for any other variable type. So, A-type variables (simvars) can only be accessed (read/write) via FSUIPC offsets. Facilities are provided to add any simvar to a free/spare FSUIPC offset (see the Advanced User guide) using a file called myOffsets.txt. So you can add them to a spare/free FSUIPC offset, and then use the appropriate lua offset function to read the value. Link to comment Share on other sites More sharing options...
Raysot Posted September 15 Author Report Share Posted September 15 Quote using a file called myOffsets.txt That was the ticket!. I didn't even know about this facility. Thanks for the info. I've tested it with my 2 A:Vars that I've been struggling with and it works like a charm. Thanks, John 😁 Link to comment Share on other sites More sharing options...
John Dowson Posted September 16 Report Share Posted September 16 👍 Link to comment Share on other sites More sharing options...
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