[109jb]

I am in the process of designing a minimalist control panel for LinuxCNC/EMC2 and need to create a couple custom keyboard shortcuts. The reason I need to do this is because I am using the interpreter board robbed from a usb keyboard to provide key inputs for my control panel. Most all of the standard key mappings are fine except for feed override. I ant to have 2 keys for feed override, a "Feed Override +" and a Feed Override -". Each of these 2 buttons would result in a change in Feed Override of + or - 10% from the current setting. The way the standard mappings are I would need 10 keys and that would still only get me from 0% to 100%. Anything beyond 100% doesn't have any keyboard shortcut.

Basically what I want to do is use the "e" key to increase feed override and the "d" key to decrease it. Is there a way that I can do this?

Thanks in advance.

[109jb]

Well it took little bit to figure out but is actually pretty simple. I wound up mapping the "%" and "^" keys for incrementally increasing and decreasing the feed override. I figure I'll post what I did so that someone else that wants to do something similar can see how I did it.

The attached file has the details

Hope this helps someone out.

John B

[109jb]

Oh. By the way, I also modified the numbers so feed override can go to 150%. Those are the 150 numbers you see there.

edit: I modified it once more so that instead of a hard number like 150, it uses whatever EMC2 believes the maximum override rate is. See new attached file in post #2 above.

[CaptainVee]

Very nice, thanks for posting!

Just to be clear, what you have done is for the feedrate when running the machine, not jog speed?

Jog speed increments is I would want to include in to my next modded keyboard.

Edit: Just realised that , and . already offer that so no problem to get that working with the keyboard.

[109jb]

Very nice, thanks for posting!

Just to be clear, what you have done is for the feedrate when running the machine, not jog speed?

Jog speed increments is I would want to include in to my next modded keyboard.

Edit: Just realised that , and . already offer that so no problem to get that working with the keyboard.

Yep. What I listed was for feedrate override. Jog speed and jog increments already have 2 button shortcuts for increase and decrease.

I am currently working on the design of my control panel. The attached file is what I have so far. Everything on it can be accomplished using the keyboard, so should not be a problem just using the keyboard circuit I liberated from a USB keyboard. I still want to reduce the number of buttons a bit though.

[Kashif]

keyboard images