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Mamba405 - xm+ Sbus not working #4927

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distractedfpv opened this issue Jul 11, 2019 · 3 comments

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commented Jul 11, 2019

mamba405 and xm+ not working

i have nothing changed on the hardware, in betaflight 4.0 everything works as intended.
when i flash one of the two inav firmwares for the fc it shows random things on the receiver pad.
Port tab is correct, config tab is on sbus.
so far i tried all combinations of:

firmware
serialrx_inverted
serialrx_halfduplex

the only time i got it to work was when i used the hardware uninverted sbus, but this pin is basically not useable because its not ment to be used and way too small, also as said in betaflight it works just fine with serialrx_inverted and serialrx_halfduplex set to OFF

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commented Jul 11, 2019

Issue-Label Bot is automatically applying the label BUG to this issue, with a confidence of 0.80. Please mark this comment with 👍 or 👎 to give our bot feedback!

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@issue-label-bot issue-label-bot bot added the BUG label Jul 11, 2019

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commented Jul 11, 2019

The Solution is here! well half of it
#4262 (comment)

if i flash those .hex files sbus works like intended.

But this firmware doesnt allow servos so kwads only.
also i couldnt reflash after this firmware and needed to do a full chip erase.

So still not able to get a sbus mamba wing

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commented Jul 14, 2019

Should be fixed by #4936. Firmware for testing is available in that PR

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