Trackball issue: X axis only moves forward not backward

DevTerm
1

Just received my unit and done the installation.
It boots into the desktop just fine, the only issue so far is that the jog ball only moves in X+, not X-
I have to use external mouse to even access the “Applications” menu…

evtest the mouse device and move the trackball, no negative valued messages.

Any ideas? Defect hardware or firmware/kernel issue?

2

Update:

I’ve modified the keyboard fw and log down trackball movements:

  if(x !=0 || y != 0 || -w!=0) {
    dv->Mouse->move(x, y, -w);
    dev_term._Serial->println("trackball moved");
  }

No messages printed when I move trackball to the left.
I will open the keyboard to measure the signal on the trackball pin (if possible)

3

Would you please to email to alex@clockworkpi.com so I can help you out？

1 Like
4

Mail sent! Thanks!

Added some details…