Joypad Reverse Jog Direction

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2 years 5 months ago #301429 by Project_Hopeless
I have an Axis sim running for a 5-DOF robot and a Logitech F310 Joypad.  It works well except the jog directions are backwards. 

So following this wiki,
wiki.linuxcnc.org/cgi-bin/wiki.pl?Simple_Remote_Pendant

I added the instruction...
Code:
setp input.0.abs-hat0y-scale -127.5 

Now when I hold in the jog speed buttons the machine immediately moves without me touching the X, Y, or Z joysticks.

I'm running Linux CNC-Robot 6.1.0-18-rt-amd64 #1 SMP PREEMPT_RT Debian 6.1.76-1 (2024-02-01) x86_64 GNU/Linux on Bookworm

Any ideas what might be wrong?
Code:
# names moved to moveo_cmd.hal   ##loadrt mux2 names=mux2_x,mux2_y,mux2_z   addf mux2_x servo-thread addf mux2_y servo-thread addf mux2_z servo-thread   # # Use a mux as a sample hold so analog jogs don't change when machine is off. # net machine-is-on <= halui.machine.is-on => mux2_x.sel mux2_y.sel mux2_z.sel  # Control the mux with the machine on/off state.   net jog-x-pre <= input.0.abs-hat0y-position => mux2_x.in1    # left joystick net jog-y-pre <= input.0.abs-hat0x-position => mux2_y.in1    # left joystick ##net jog-z-pre <= input.0.abs-rz-position => mux2_z.in1     # rz feels more natural. net jog-z-pre <= input.0.abs-ry-position => mux2_z.in1        # right joystick   net jog-x-analog <= mux2_x.out => mux2_x.in0 halui.joint.0.analog halui.axis.x.analog   net jog-y-analog <= mux2_y.out => mux2_y.in0 halui.joint.1.analog halui.axis.y.analog   net jog-z-analog <= mux2_z.out => mux2_z.in0 halui.joint.2.analog halui.axis.z.analog     setp input.0.abs-hat0y-scale -127.5        # reverse jog direction setp input.0.abs-hat0x-scale -127.5        # reverse jog direction setp input.0.abs-ry-scale -127.5        # reverse jog direction

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2 years 5 months ago #301434 by andypugh
Try monitoring the pins in the halshow watch window to see whether they are permanently at some non-zero value.

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2 years 5 months ago #301447 by Project_Hopeless
Hal watch with standard joypad assignments.

 

Attachment not found



Hal watch with the statements to reverse X, Y, Z (hat.0.x, hat.0.y, abs.ry)

 

Attachment not found



Is the scale value applied wrong perhaps?

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2 years 5 months ago #301453 by andypugh
Well, you have changed the sign, which is good, but it looks like the scale is much too high.

Just change it to the negative of what it was before. If it was 1, make it -1.

If you don't know, then try -1, and increase from there as needed.

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2 years 5 months ago #301537 by Project_Hopeless
I'm good now, it was the number of bits, I found the answer in another post. 

forum.linuxcnc.org/24-hal-components/419...-x-and-y-axis#203090

Apparently the problem was in the number of bits of the number. I've gone from 8 bits to 16.
So
- setp input.0.abs-y-scale -32767.5
- setp input.0.abs-ry-scale -32767.5

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