- Configuring LinuxCNC
- HAL
- need a smarter rule than this simple combinatorial logic for controlling the ATC
need a smarter rule than this simple combinatorial logic for controlling the ATC
27 Jun 2019 11:14 - 27 Jun 2019 11:27 #137989
by JetForMe
need a smarter rule than this simple combinatorial logic for controlling the ATC was created by JetForMe
I thought I was being so clever:
But my `program-open-collet` is controlled by M64 P2. If you issue M64 P2 while the spindle is spinning, then stop the spindle, the collet is immediately opened and the tool holder falls out.
What I really want is for a button press or M64 P2 to have no effect unless the first three signals are asserted. That is, once the first three signals are asserted, the button must be released and pressed again, or M64 P2 must be issued again, before it'll open the collet.
Similarly, I have this rule for my spindle: `spindle-inhibit = !spindle-temp-ok-in || !spindle-collet-locked-in || !pressure-ok-in`, but that allows for M3 to be issued while, say, the collet is not locked, then as soon as you insert a tool, the spindle starts up (I had mentioned this in a previous post). What I really want is to prevent M3/M4 from taking effect if certain conditions aren't met. It's not enough to set spindle-inhibit or halui.spindle.0.stop when conditions go bad; I need the M3/M4 to not take effect at all if
What's the best way to go about that in the HAL? Or must I write my own tool change component? In truth, I don't want a program or the user via MDI to be able to issue M64 P2, only to initiate a tool change. The suggestion someone had for me earlier, to write a gcode routine to handle the tool change, doesn't seem to be the best way to go.
One possible solution is to react to a rising edge, rather than a level. Is there a way to do that?
Suggestions? Thanks!
# spindle-open-collet-out = spindle-zero-speed-in && program-idle && pressure-ok-in && (program-open-collet || spindle-button-press-in)
setp lut5.1.function 0x80808000
net spindle-zero-speed-in => lut5.1.in-0
net program-idle => lut5.1.in-1
net pressure-ok-in => lut5.1.in-2
net program-open-collet => lut5.1.in-3
net spindle-button-in => lut5.1.in-4
net spindle-open-collet-out <= lut5.1.outBut my `program-open-collet` is controlled by M64 P2. If you issue M64 P2 while the spindle is spinning, then stop the spindle, the collet is immediately opened and the tool holder falls out.
What I really want is for a button press or M64 P2 to have no effect unless the first three signals are asserted. That is, once the first three signals are asserted, the button must be released and pressed again, or M64 P2 must be issued again, before it'll open the collet.
Similarly, I have this rule for my spindle: `spindle-inhibit = !spindle-temp-ok-in || !spindle-collet-locked-in || !pressure-ok-in`, but that allows for M3 to be issued while, say, the collet is not locked, then as soon as you insert a tool, the spindle starts up (I had mentioned this in a previous post). What I really want is to prevent M3/M4 from taking effect if certain conditions aren't met. It's not enough to set spindle-inhibit or halui.spindle.0.stop when conditions go bad; I need the M3/M4 to not take effect at all if
What's the best way to go about that in the HAL? Or must I write my own tool change component? In truth, I don't want a program or the user via MDI to be able to issue M64 P2, only to initiate a tool change. The suggestion someone had for me earlier, to write a gcode routine to handle the tool change, doesn't seem to be the best way to go.
One possible solution is to react to a rising edge, rather than a level. Is there a way to do that?
Suggestions? Thanks!
Last edit: 27 Jun 2019 11:27 by JetForMe.
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27 Jun 2019 12:51 #137994
by PCW
Replied by PCW on topic need a smarter rule than this simple combinatorial logic for controlling the ATC
The edge, flipflop, or oneshot components might be of use here
The following user(s) said Thank You: JetForMe
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27 Jun 2019 20:45 #138031
by JetForMe
Replied by JetForMe on topic need a smarter rule than this simple combinatorial logic for controlling the ATC
Ah! I had found the flipflop, but didn't see the edge or oneshot.
Is there any way to have gcodes get permission before they can execute? I think I'd like to stop program execution (a program or an MDI line) if, for example, M3/M4 are issued and certain conditions aren't met.
Is there any way to have gcodes get permission before they can execute? I think I'd like to stop program execution (a program or an MDI line) if, for example, M3/M4 are issued and certain conditions aren't met.
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27 Jun 2019 20:49 - 27 Jun 2019 21:18 #138032
by PCW
Replied by PCW on topic need a smarter rule than this simple combinatorial logic for controlling the ATC
M66?
or remap M3,M4
or remap M3,M4
Last edit: 27 Jun 2019 21:18 by PCW.
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- Configuring LinuxCNC
- HAL
- need a smarter rule than this simple combinatorial logic for controlling the ATC
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