Re: [Emc-users] synchronized axes.

[ben lipkowitz]

 option 3) differentiate the output from above with ddt and feed it to 
 the needle spindle as a velocity command. might be slightly less 
 accurate than 2 but you won't need to do silly hacks to prevent 
 counter overflow.

 3A) differentiate the X and Y positions _before_ the hypot, then send
 the X and Y velocities to the hypot.  The hypot is the vector velocity,
 which is the required spindle velocity (scaled as needed).

 Other than that, I agree that 3 is the way to go.

I just noticed that there's a HAL parameter that does this already: 
motion.current-vel

maybe it should be a pin instead

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[Emc-users] Comp Errors

[Kirk Wallace]

I did a fresh install of the Ubuntu 6.06 Live CD, did an update, then
installed emc2-dev. I copied xor2.comp to my home directory:

 xor2.comp 
component xor2 Two-input XOR (exclusive OR) gate;
pin in bit in0;
pin in bit in1;
pin out bit out;
function _ nofp;
license GPL;
007 ;;
FUNCTION(_) {
if (( in0  !in1 ) || ( in1  !in0 )) {
out = 1;
} else {
out = 0;
}
}
 xor2.comp 

and ran comp xor2.comp which I believe should return an xor2.c file. I
got the following instead:

...
[EMAIL PROTECTED]:~$ comp xor2.comp
Traceback (most recent call last):
  File /usr/bin/comp, line 678, in ?
main()
  File /usr/bin/comp, line 666, in main
process(f, mode, outfile)
  File /usr/bin/comp, line 600, in process
a, b = f.split(\n;;\n, 1)
ValueError: need more than 1 value to unpack
[EMAIL PROTECTED]:~$ 
...

Any ideas on what to do next would be appreciated. Thanks

Kirk Wallace


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Re: [Emc-users] Comp Errors

[Kirk Wallace]

Ops. My mistake. 007 is a line number I failed to delete.

Now I get:

...
[EMAIL PROTECTED]:~$ comp xor2.comp
xor2.comp:6:1: Trying to find one of $, component, pin, param,
function , option
  component xor2 Two-input XOR (exclusive OR) gate;
  ^
while parsing File():
[EMAIL PROTECTED]:~$
...

Kirk
~~~ 
On Sun, 2007-08-26 at 15:41 -0500, Jeff Epler wrote:
  007 ;;
 
 The ;; must be on a line of its own with no extra characters including
 white space or control characters -- I'm not sure how agent 007 got in
 there, but he's the one causing the problem.
 
 Jeff



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