Re: [Emc-users] Four Parallel ports

2008-05-03 Thread Organic Engines
Hi,

 EMC2's parallel port driver will drive up to eight parallel ports.

Cool. Lots of I/O. Is there a preferred layout for multiple cards?
  Should all my step and direction be on one and misc I/O on the others, 
or one axis with associated limits and whatnot on each card? Does it matter?

 The hard part is finding out the hardware addresses of the ports.
 Plug-n-Pray operating systems and the PCI bus have made things
 complicated.  Do the ports show up when you run 'lspci' from the 
 command line?

  Have not tried this yet, I did the test on my non-emc Ubuntu desktop, 
so I was just fooling about. Interesting is that Win XP crashed on these 
cards and Ubuntu worked fine.

  Dan

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[Emc-users] Four Parallel ports

2008-05-02 Thread Daniel Kavanagh
Hi,

  I stuck 3 PCI parallel port cards into my pc. Without any work at all 
I could print from two of them. Very neat and I am assuming because they 
will print I can attach those for extra I/O.

  But the 3rd card was not a parallel port, as you only get three total, 
(one on board and two expansion on the PCI bus)

  It was there in the hardware profile and it looked just like all the 
others but it did not get the parallel port driver attached to it.

  Is there another way to read and write to it? for extra I/O?

Dan




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Re: [Emc-users] Four Parallel ports

2008-05-02 Thread John Kasunich
Daniel Kavanagh wrote:
 Hi,
 
   I stuck 3 PCI parallel port cards into my pc. Without any work at all 
 I could print from two of them. Very neat and I am assuming because they 
 will print I can attach those for extra I/O.
 
   But the 3rd card was not a parallel port, as you only get three total, 
 (one on board and two expansion on the PCI bus)
 
   It was there in the hardware profile and it looked just like all the 
 others but it did not get the parallel port driver attached to it.
 
   Is there another way to read and write to it? for extra I/O?
 

EMC2's parallel port driver will drive up to eight parallel ports.

The hard part is finding out the hardware addresses of the ports. 
Plug-n-Pray operating systems and the PCI bus have made things 
complicated.  Do the ports show up when you run 'lspci' from the command 
line?

Regards,

John Kasunich

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Re: [Emc-users] Four Parallel ports

2008-05-02 Thread Kirk Wallace
On Fri, 2008-05-02 at 14:41 -0400, Daniel Kavanagh wrote:
 Hi,
 
   I stuck 3 PCI parallel port cards into my pc. Without any work at all 
 I could print from two of them. Very neat and I am assuming because they 
 will print I can attach those for extra I/O.
 
   But the 3rd card was not a parallel port, as you only get three total, 
 (one on board and two expansion on the PCI bus)
 
   It was there in the hardware profile and it looked just like all the 
 others but it did not get the parallel port driver attached to it.
 
   Is there another way to read and write to it? for extra I/O?
 
 Dan

For use as IO for EMC2, I believe that you don't want the ports to show
up as printer ports. A Linux printer driver will conflict with the EMC2
driver, so you will need to keep Ubuntu from loading the printer driver
for the EMC2 IO ports. You can load the EMC parport driver, for up to
eight parports, in your .ini file that loads your other drivers. 

See:
http://www.linuxcnc.org/docview/html//hal_drivers.html#sec:Parport

-- 
Kirk Wallace (California, USA
http://www.wallacecompany.com/machine_shop/ 
Hardinge HNC/EMC CNC lathe,
Bridgeport mill conversion, doing XY now,
Zubal lathe conversion pending
Craftsman AA 109 restoration
Shizuoka ST-N/EMC CNC)


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