NAVIO2 Running PX4 Fixed wing airspeed sensor problem

I’m setting up my NAVIO2 for Standard Plane PX4. Everything is up and running and calibration steps successful except the airspeed sensor. When attempting airspeed calibration, QGroundControl outputs that there is no airspeed sensor attached, yet there is a digital sensor attached via I2C. Help please!

Hello there!

What does i2cdetect -y 1 yield?

Hi, just on a different account. the output if i2cdetect -y 1 yields:

 0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f

00: – -- – -- – -- – -- – -- – -- –
10: – -- – -- – -- – -- – -- – -- – -- – --
20: – -- – -- – -- – -- 28 – -- – -- – -- –
30: – -- – -- – -- – -- – -- – -- – -- – --
40: – -- – -- – -- – -- – -- – -- – -- – --
50: – -- – -- – -- – -- – -- – -- – -- – --
60: – -- – -- – -- – -- – -- – -- – -- – --
70: – -- – -- – -- – 77

After talking with people from PX4, they say there isn’t an airspeed sensor driver for the POSIX build which is what the rpi uses and we need to write our own, is there an airspeed sensor driver for PX4 or on that we could reference? Thanks.

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