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AP ALT offset for A320 is not correct


Karl_Yoghurt
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Hello

I try to control AP altitude in a320 MsFS2020 and I'm a little confused.

offset  0x07D4 work perfect on Boeing but didn't on Airbus

events for AP Altitude value is different

Please tell me the correct offset for AP_ALT_VAR_SET_ENGLISH event

Many thanks.

A320 events log
433531 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 4000 (0x00000fa0) AP_ALT_VAR_SET_ENGLISH
434125 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 3000 (0x00000bb8) AP_ALT_VAR_SET_ENGLISH
434594 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 2000 (0x000007d0) AP_ALT_VAR_SET_ENGLISH
435125 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 1000 (0x000003e8) AP_ALT_VAR_SET_ENGLISH
435703 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 0 (0x00000000) AP_ALT_VAR_SET_ENGLISH
436734 *** EVENT: Cntrl= 66124 (0x0001024c), Param= -1000 (0xfffffc18) AP_ALT_VAR_SET_ENGLISH
437406 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 0 (0x00000000) AP_ALT_VAR_SET_ENGLISH
437484 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 1000 (0x000003e8) AP_ALT_VAR_SET_ENGLISH
437578 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 2000 (0x000007d0) AP_ALT_VAR_SET_ENGLISH
437984 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 3000 (0x00000bb8) AP_ALT_VAR_SET_ENGLISH
438016 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 4000 (0x00000fa0) AP_ALT_VAR_SET_ENGLISH
438078 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 5000 (0x00001388) AP_ALT_VAR_SET_ENGLISH
438156 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 6000 (0x00001770) AP_ALT_VAR_SET_ENGLISH
438344 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 7000 (0x00001b58) AP_ALT_VAR_SET_ENGLISH
439187 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 8000 (0x00001f40) AP_ALT_VAR_SET_ENGLISH
439766 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 9000 (0x00002328) AP_ALT_VAR_SET_ENGLISH
440359 *** EVENT: Cntrl= 66124 (0x0001024c), Param= 10000 (0x00002710) AP_ALT_VAR_SET_ENGLISH

 

Boeing 747 events log
609516 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
609797 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
610078 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
610328 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
610734 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
610922 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
611000 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
611109 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
611203 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
611625 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
611766 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
612281 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
612391 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
612453 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
612562 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
613094 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
613812 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
613859 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
613906 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
614016 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
614359 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
614391 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
614422 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
614484 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
614875 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
614922 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
614953 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
615031 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
615297 *** EVENT: Cntrl= 65892 (0x00010164), Param= 0 (0x00000000) AP_ALT_VAR_INC
616000 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC
616562 *** EVENT: Cntrl= 65893 (0x00010165), Param= 0 (0x00000000) AP_ALT_VAR_DEC

 

 

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18 minutes ago, John Dowson said:

If it works on the Boeing but not on the Airbus, it sounds like an issue with the Airbus model. I'll take a look and see if this needs reporting to Asobo, but I don't think this is an issue with FSUIPC7. I'll report back once I've investigated.

Thanks for the report.

Thanks for answer

0x07D4 it work like on a320:

AP ALT set 5000 0x07D4 = 5000

AP ALT encoder turn to alt 3000 AP disp in game show 3000 in but offset 0x07D4 = 5000

push confirm AP Alt button AP set 3000, 0x07D4 = 3000 😞

 

is it possible to know offset for AP_ALT_VAR_SET_ENGLISH event ?

THANks

Edited by Karl_Yoghurt
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5 minutes ago, Karl_Yoghurt said:

is it possible to know offset for AP_ALT_VAR_SET_ENGLISH event ?

It is 0x07D4. I'm not sure I understand the log snippets you posted. How did you generate them? The A320 log (which you say isn't working) is using the AP_ALT_VAR_SET_ENGLISH event - is this via offset 0x07D4? The Boeing log only shows inc and dec controls,.

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29 minutes ago, Karl_Yoghurt said:

0x07D4 it work like on a320:

AP ALT set 5000 0x07D4 = 5000

AP ALT encoder turn to alt 3000 AP disp in game show 3000 in but offset 0x07D4 = 5000

push confirm AP Alt button AP set 3000, 0x07D4 = 3000 😞

But this is correct, no? The offset only changes when the AP Alt is set....

I'm a bit confused now.... let me check this....

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Sorry, but you log doesn't tell me much as its a 'continuation' log -  I can't even tell what aircraft you were using. Anyway, it doesn't matter, I think I know what the issue is, but need to look into this a bit further. I'll get back to you, but I suspect that the airbus is not updating the AUTOPILOT ALTITUDE LOCK VAR simulator variable correctly.

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On 9/8/2020 at 1:35 PM, John Dowson said:

Sorry, but you log doesn't tell me much as its a 'continuation' log -  I can't even tell what aircraft you were using. Anyway, it doesn't matter, I think I know what the issue is, but need to look into this a bit further. I'll get back to you, but I suspect that the airbus is not updating the AUTOPILOT ALTITUDE LOCK VAR simulator variable correctly.

UPDATE

ap ALT change by 65893 and 65892 events

but i cant confirm alt set by events (also i can find button in game controls)

i try look in log events - nothing

problem only in a320  

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  • 2 months later...

@Karl_Yoghurt The latest release of FSUIPC7, v7.0.2, contains AUTOPILOT ALTITUDE LOCK VAR:3 at offset  0x0818 - this may contain the value you are after (the altitude displayed on the FCU in the A320). See https://forums.flightsimulator.com/t/a320-fcu-variable-autopilot-altitude-lock-var-vs-displayed-altitude/307093/3

John 

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For AP issues with the A320, please note the following post from Asobo:

Quote

We are aware of the AP issues with the A320 and the team is working hard on a fix to resolve this with the next update.

In the meantime from FlyByWire:

Screenshot 2020-11-30 140135

The Direct Link: https://github.com/flybywiresim/a32nx/releases/download/vmaster/A32NX-master.zip

Thank you for your patience.

Best regards,

Royal

John

 

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