I using the rover firmware on pixhawk with Frsky Taranis telemetry system .
I use the left stick the rudder and throttle.
I save the waypoint one switch on my radio.
Can it possible step up or down the actual waypoint with the right stick?
Can it possible little script on pixhawk?
I would like the navigation without mobile phone or laptop?
Do you have a description for this problem?
This seems like a perfect use case for Lua scripting. Have a read through that link and pay particular attention to the first paragraph under Getting Started. Before we go too far down the path of scripting, we need to make sure your hardware is compatible with the feature (at least 2 MB of flash and 70 kB of memory).