Based on TajGuy's work

Prerequisites

UPDATE: v0.2.2 and future updates will require MobiFlight 11 (internal version 10.5.3 or later) which is currently in BETA. You can opt into beta versions using the File > Settings dialog, or by downloading the latest beta here:
https://github.com/MobiFlight/MobiFlight-Connector/releases

This profile requires FSUIPC7. The free version is sufficient, you don't need the paid version for this, but it doesn't hurt either.

You'll need to enable the aircraft's SDK broadcast setting for all options to work. This process is explained in the PMDG 777 SDK manual under section "ENABLING DATA OUTPUT".

To enable the data communication output, you will need to open the file 777_Options.ini that is located in the 777 persistent storage folder.  
For Microsoft Store distribution, this folder is located at
LOCALAPPDATA%\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalState\packages\pmdg-aircraft-77w\work\. 
For Steam distribution, this folder is located at  
%APPDATA%\Microsoft Flight Simulator\Packages\pmdg-aircraft77w\work\. 
Once this folder is open, add the following lines as required to the bottom of the file: 
[SDK] 
EnableDataBroadcast=1  

Additions / Changes / Fixes over TajGuy's 1.2 release linked above

• Fix: Various fixes in indicated speeds both in IAS and MACH
• Fix: Speed dashes
• Improvement: When showing MACH, the speed knob will increase / decrease by .01 mach, since the Winwing FCU can't display 3 decimal places (I haven't figured out if I can hide the 0 in, say, 0.82, so that we can display .823, and I didn't want it to show 8.23); note that this uses PMDG events, so you'll have to be slow with MACH changes, twisting the knob one at a time; multiple twists will not work consistently, as PMDG events are slower than direct controls
• Add: Heading DOT mapped to LNAV light
• Change: FCU A/THR light mapped to aircraft's A/T light, instead of A/T arm status
• Change: Instead of using AP2 for disengage, both AP1 and AP2 have button press cycles that follow this order: A/P On -> A/P Disengage On -> A/P Disengage Off -> A/P On
• Change: A/THR button now has a button press cycle that follows this order: A/T Arm On -> A/T On -> A/T Arm Off -> A/T Arm On
• Add: EFIS L support (EFIS L hardware not required)

Known Issues

• The autopilot altitude selector mode (auto / 1000) might not be synced between your physical FCU and the virtual cockpit. Make sure to switch it with your mouse to the mode that matches your FCU when first loading into the aircraft.

Notes

• The aircraft's IAS/MACH switch is deliberately INOP while the aircraft is not in MACH range yet, and that's reflected in the FCU profile as well. You will be able to switch between IAS/MACH both using the virtual cockpit and the physical FCU once you see your MACH displayed under the speedtape.

EFIS L Support

Known issues

• Using the virtual cockpit's BARO STD toggle will make the EFIS profile's internal tracking of STD mode go out of sync; only use the EFIS to toggle BARO STD mode to avoid this issue

INOP / Not Applicable

• LS
• CSTR
• NDB
• LEDs for WPT, VOR.D, ARPT

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PMDG 777 | Winwing FCU+EFIS | Mobiflight Profile

This add-on provides a Mobiflight profile for the PMDG 777 designed for use with the Winwing FCU and EFIS hardware. It includes various fixes and improvements over the original version by TajGuy, such as enhancements to indicated speeds and adjustments for the display of MACH values. Additionally, the profile features new mappings for key flight control indications and button press cycles, while also offering EFIS L support. Some known issues are present, particularly regarding the display of standard pressure settings.

Version History