Thanks for reading.
We are having problems with the RCIN port of the Pixhawk for the purposes of passively logging servo signals via a PPM encoder.
The intention is to be able to quantify the actual control inputs to the helicopters control system. There is a 3GX stabilisation system – this means that the user’s control inputs do not necessarily reflect the actual servo signals.
For this reason, we have set up a breakout between the 3GX and Servo cables. This is a connection in series with the intention of not disrupting the 3GX to Servo signals. The breakout passes through a PPM encoder and then in to the RCIN port of the Pixhawk.
The problem is that in the data downloaded all the entries of RCIN remain at exactly 0 (apart from the timestamp and datapoint number).
Does anyone know why this might be the case? We definitely have a PWM signal coming from the breakout passing through the PPM encoder.
Many thanks for any help!
Replies