unfortunately, not completely true, the CNC keys even though you can see the presses (and then only on the New PKU, and PKE, the old PKU 55T did not have a working I2C bus that handled the cnckeys that was integrated with the plugin I did. The CNC keys have only been mapped to Mach3 cnc functions on the New PKU/PKE, the older plugin (mine), also did not have matrix keys mapped for you to CNC functions, I only did that for limited OEM Matrix Key pad units, for the CNC keys that I did for Aurturo.
So summery is this:
New PKU/PKE Plugin (the one Brian is doing),have the I2C CNCkeys mapped already to mach3 CNC functions.
Old PKU (55T), (Stock plugin the one I did), does NOT have (CNC keys mapped the ones boris did based on my designs) to native Mach3 functions, (but I did do some OEM specific ones, that where not general release, based on the CNC Matrix keys I did for Aurturo), further, the (CNC keys, boris') do NOT use the same matrix order layout UserLED mapping that the standard Matrix Keys that mapped to ULEDs that I did.
I did standard Matrix keys layout in left to right, top to bottom, in a large 16 columb x 8 row grid.
the new CNCkey order (that boris did), layout does some weird up/down per 2 columbs, and in/out type of stuff (see manual).
Scott