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FSX Comms android app via simconnect

virtualpilot1460

virtualpilot1460

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unitedkingdom
Hello simmers,

I am trying to get build a remote app from my android tablet/phone to interrogate the radio stack (COM1, NAV1 and XPDR) via sim connect. I have managed to get a windows based "server" app to connect to sim connect and the android app to connect and send frequencies to it. But it gets stuck or silently fails when I want the frequency injecting into FSX

This is a project for my self and ultimately to use on an aircraft with a non standard radio gauge. To replicate the thought of a handheld system if you will.

I have had some success with chatgpt but would like to learn from other sources too..... I'm not home so if you wa t the files to inspect then you would have to give me a few days
 
Hi, sounds like a fun project.

Indeed it is going to be difficult to guess the issue w/out seeing some relevant code bits.

You're using "SET" Key Events to send the frequencies to the sim? E.g. COM_RADIO_SET. (e.g. vs. other events which increment/decrement individual digits)

If so, how are you handling the BCD value encoding?

Not sure what else to ask/suggest offhand... triggering Key Events is generally pretty straight forward... map the event name to your ID (MapClientEventToSimEvent()) and then TransmitClientEvent().

I can see how that cold silently fail (nothing appears to happen in the sim), but not sure what "gets stuck" would mean... :-)

To perhaps avoid "silence" from the sim, be sure to handle the SIMCONNECT_RECV_ID_EXCEPTION type messages from SimConnect and dump the info they provide to some debug facility (print to console/log or whatever). At least this will tell you if the sim couldn't parse one of your commands. The actual SimConnect functions/methods almost never return an error except when basic communication with the sim fails. The actual action to perform is only validated at the sim side and any actual errors are sent back asynchronously in those EXCEPTION messages.

If none of that provides any clues, do post some code (ideally something minimal that reproduces the issue).

Cheers,
-Max
 
Hello,

I've been working away and I re-thought and apparently Simconnect was the wrong way so I've gone down the FSUIPC route.

I did manage to get it change NAV1 whilst I;ve been trying to alter COM1. Attached are the Visual Studio forms - if someone could look over it as my head is frying
 
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