Sebastian,
I will be happy to try to write it.
Joe
----- On Apr 4, 2017, at 2:34 PM, Sebastian Kuzminsky s...@highlab.com wrote:
> On 04/04/2017 01:13 PM, Joe Hildreth wrote:
>> Looking at the ha;_manualtoolchange.py file, I see the following:
>>
>> h = hal.component("hal_manualtoolchange")
>> h.newpin("number", hal.HAL_S32, hal.HAL_IN)
>> h.newpin("change", hal.HAL_BIT, hal.HAL_IN)
>> h.newpin("change_button", hal.HAL_BIT, hal.HAL_IN)
>> h.newpin("changed", hal.HAL_BIT, hal.HAL_OUT)
>> h.ready()
>>
>> So this tells me what pins are created, the only one I am unsure of is the
>> change_button, can someone explain this one?
>>
>> I know this seems petty, but I am trying to wrap my head around it enough so
>> I
>> can teach a few high schoolers what is going on. Or maybe a little glimpse
>> of
>> how the parts fit and work together. Before I can do that, I need to teach
>> myself.
>>
>> My impression is the hal_manualtoolchange component does the following:
>>
>> a) receives the tool number via hal_manualtoolchange.number pin
>> b) receives a command to change the tool via hal_manualtoolchange.change pin
>> c) The component then opens the dialog informing the user to change to tool
>> #X
>> d) User does the tool change and clicks the okay button.
>> e) the okay button send signal via hal_manualtoolchange.changed
>>
>> am I close?
>
> You're exactly correct, that's what hal_manualtoolchange does.
>
> The M6 g-code triggers the tool change operation, and blocks until
> hal_manualtoolchange asserts the .changed pin.
>
>
> You're also right that we don't have a manpage for that component.
> Since you know it so well now, why not try writing one? It's easy and
> fun! ;-)
>
> Take a look at docs/src/man/man1/halstreamer.txt for inspiration.
>
> Some docs on how to check out and modify LinuxCNC and how to contribute
> the changes back to the community can be found here:
>
> http://linuxcnc.org/docs/devel/html/code/building-linuxcnc.html
> http://linuxcnc.org/docs/devel/html/code/contributing-to-linuxcnc.html
>
>
> --
> Sebastian Kuzminsky
>
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