Touch probe and auto tool length measurement

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29 Oct 2015 05:24 #64421 by spangledboy
I've recently installed Verser's "Work with Probe" and have got my new touch probe working. Fresh from that success, I decided to re-task another touch probe as a tool length measurement sensor and implement auto tool length measurement as described in the Gmoccapy section of the wiki.

Everything looks good with the exception that both functions seem to need to use motion.probe-input, which is not possible for two different inputs, so at the moment I can only use one or the other, commenting out the link that I don't want to use in my HAL file.

Ideally I'd like to be able to carry out probing and auto tool length measurement in the same job, so is there some way I can use a different pin for the tool measurement (tool.length-input?) instead?

Hopefully I'm missing something obvious and easily fixed here....

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29 Oct 2015 06:08 #64422 by LearningLinuxCNC
You can tie both physical inputs into the one motion.probe-input with an or2 hal component. Then either input will trip the motion.probe-input.
The following user(s) said Thank You: spangledboy

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02 Nov 2015 00:32 #64584 by spangledboy
Ah, great - that's worked a treat!

Thank you!

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