Touch off buttons working a treat.  My only observation is that the tool path 
in Axis does not update, unless I use reload.

Mike





On 9 May 2012, at 10:20, andy pugh <bodge...@gmail.com> wrote:

> On 9 May 2012 06:36, Mike Bennett <mjb1...@gmail.com> wrote:
> 
>> For now just linking a button to perform touch off zero would be good, but I 
>> need a way to control which axis.  I have several buttons spare so I could 
>> use one for each axis.
> 
> Touch-off is equivalent to G10, so you could link a button to an
> MDI_COMMAND pin in HAL.
> http://www.linuxcnc.org/docview/html/config/ini_config.html#_halui_section_a_id_sub_halui_section_a
> 
> That isn't as clear as it could be, but every entry in that section
> creates a HAL pin called halui.mdi-command-NN and any time the pin is
> taken high the specified G-code will run.
> 
> -- 
> atp
> The idea that there is no such thing as objective truth is, quite simply, 
> wrong.
> 
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