Second parallel port communication
- thatguy
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26 Jul 2018 14:47 #114887
by thatguy
Second parallel port communication was created by thatguy
I am looking at options for breakout boards and planning my computer setup. I want to use both a THC and an MPG. I can tell that I'm going to run out of I/O on many of the cost effective boards. I've noticed there are some MPG interface cards available that hook up to a second parallel port.
What I'm planning on right now is for motor signals, limits, and THC to be on one breakout board via a single parallel port and then to run an MPG to another parallel port. Is LinuxCNC configurable to that or do I need to formulate a different plan.
What I'm planning on right now is for motor signals, limits, and THC to be on one breakout board via a single parallel port and then to run an MPG to another parallel port. Is LinuxCNC configurable to that or do I need to formulate a different plan.
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- PCW
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26 Jul 2018 15:16 #114894
by PCW
Replied by PCW on topic Second parallel port communication
Yes, linuxCNC can support up to 8 parallel ports
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- Grotius
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26 Jul 2018 16:46 - 26 Jul 2018 16:50 #114900
by Grotius
Replied by Grotius on topic Second parallel port communication
Hi Thatguy,
My advise is too use someting like this : www.allekabels.nl/pci-kaart/4974/1084957...art-2x-parallel.html
It works faster then using 2 separate pci ports.
For saving your time in hal section :
My advise is too use someting like this : www.allekabels.nl/pci-kaart/4974/1084957...art-2x-parallel.html
It works faster then using 2 separate pci ports.
For saving your time in hal section :
#find parport adres : halrun => lspci -vvv or type
#find parport adres : dmesg | grep par
#one parport
#loadrt hal_parport cfg="0x1110 out"
#dual parport
loadrt hal_parport cfg="0x1110 out 0x1120 out"
Last edit: 26 Jul 2018 16:50 by Grotius.
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- thatguy
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27 Jul 2018 14:39 #114949
by thatguy
Replied by thatguy on topic Second parallel port communication
Thanks you two for the information.
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