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  1. #1
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    Struggling to operate switches in PMDG from OC/FSUIPC/OpenCockpits HW

    Folks,



    I'm after that first pointer to get things going from which I believe I'll be able to get there myself. I've been trawling forums and manuals for days and can't seem to unpick this - if you know of a thread, here or elsewhere, that answers this, a pointer to it would be gratefully received.



    My Setup

    I'm running P3d 2.5 on my main computer (called "Flight1"). I have FSUIPC and Wideclient (registered versions) installed and working fine. I'm running the PMDG 737 (though will ultimately want to expand what I'm doing here to other aircraft in so far as that is possible). I have installed LINDA 2.6.3 on this PC.



    I have a second PC ("Flight 2") on which I run, FS Global Real Weather, FS Commander - all working fine. On this PC I also run SIOC (OpenCockpits software) and have built my own MCP using the USB interface, Mastercard, etc. Note that the OC Hardware is connected to Flight2 not the main P3D operating computer, Flight1.



    Background

    I have reached the stage where I am able to read the status of the PMDG MCP LEDS (e.g. CMD_A lit or not) and replicate this fine on my own hardware. I've done this using the SIOC code to read the status via WideClient/FSUIPC. This bit (after some head scratching to get there !) is fine.



    I can also operate the switches/buttons on my hardware and see the state change in the SIOC monitor, so I know the wiring at the end is correct.



    My difficulty

    I now understand that you can't programme (i.e. read a switch state and send it to the PMDG 737 in a similar way to how you read the status of items. From the reading I have done, I understand I will need to use LINDA and/or FSUIPC ".evt" (event) programming. Now this is where I'm getting stuck and would appreciate some insights from others.

    A few questions (that may be wide of the mark but will probably tell you where I'm at trying to hunt this down)

    I have installed LINDA on Flight1 (main P3D running computer) - is this the correct place to put it ? (I believe so)

    How can I link a state change on my hardware (that I can see in SIOC monitor) to the process of sending the command to the PMDG ?

    Does anyone know of any examples that would lead me through this ? Even a simple one that says "put this file here, change this value to coorrespond to your switch input and this one to the PMDG offset value from the SDK and it will work", just for one switch, would be great - I could then build off of this



    What I'm not necessarily after

    I'm not really after a "download this and it will do it answer" though I accept that this may assist me in unpicking things. Given that I'm building my own hardware from the ground up (no pun intended !), I need to understand this so that I can do different/odd things later if required.



    Thanks for your patience folks and I look forward to that "key" that will unlock the next step for me.



    Cheers,

    Rob

  2. #2
    25+ Posting Member Roarkr's Avatar
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    Re: Struggling to operate switches in PMDG from OC/FSUIPC/OpenCockpits HW

    Hi,
    You can build your cockpit for PMDG B737 NG, PMDG B777X and soon PMDG B747X with OC4BA v3. I believe this is the easiest way to achieve your goal.

    www. flightsim4fun.com

    Roar
    Roar Kristensen rksoftware www.flightsim4fun.com
    Flightsimmer since 1982 (Sinclair Spectrum Sinclair QL, Amiga, PC --16Mhz >>4.4GHz)