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geckodrive

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Group Information

  • Members: 5115
  • Category: Engineering
  • Founded: Sep 28, 2002
  • Language: English
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Messages 1 - 30 of 22275   Oldest  |  < Older  |  Newer >  |  Newest
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1 mariss92705 Send Email Sep 30, 2002
2:26 am
Hi, Please go to the "files" section of this group. That has all that there is right now. Mariss...
2 Dave Kowalczyk
dkowalcz2000 Send Email
Oct 2, 2002
2:05 am
Folks, I've added a conversion of the asm that Mariss posted to Dynamic C for the Rabbit2300. http://groups.yahoo.com/group/geckodrive/files/G2002_101A.C Seems...
3 mariss92705 Send Email Oct 2, 2002
3:29 am
Dave, Just as soon as I get the boards back and tested, a portion will set in (liquid?) stone. That would refer to port bit assignments, external interrupt...
4 Eric Keller
unterhausen Send Email
Oct 2, 2002
3:51 am
Dave, Code looks good. I use "ex de,hl" (i think that's the right order, opposite order doesn't work) instead of push pop. Don't know if there is a...
5 mariss92705 Send Email Oct 2, 2002
4:11 am
The purpose of the G2002 is to get around some shortcomings of PC based "software only" solutions for motion control applications. By making it open source,...
6 Mark Peugeot
markatswat Send Email
Oct 2, 2002
3:06 pm
"My thinking is there are 3 ways CNC programs are implemented presently: (1) Software only, DOS based. Inexpensive and adequate pulse rates (100 kHz). Funky...
7 mariss92705 Send Email Oct 2, 2002
4:29 pm
Mark, Jon Elson is a very intelligent and educated person who I respect. Rather than "rain on the parade" his contributions should only make it a better and...
8 mariss92705 Send Email Oct 3, 2002
4:04 pm
Hi, I have uploaded to the "files" section, "G2002" folder, the file G2002-B.wmf which is the motherboard for the axis cards. Mariss...
9 Tim Goldstein
timgoldstein Send Email
Oct 3, 2002
4:54 pm
Mark, Your #4 is really just #3 as far as the actual architecture. The editorial comments that Mariss added may not apply 100%, but it is still the same ...
10 sciciora Send Email Oct 3, 2002
6:56 pm
Please excuse me for asking, but what is the format of a .wmf file? What generated it? How can I view it? Thanks, Steven Ciciora...
11 Eric Keller
unterhausen Send Email
Oct 3, 2002
7:37 pm
I dunno what kind of file it is, but microsoft internet explorer 6 can display them. Eric ... __________________________________________________ Do you Yahoo!?...
12 mariss92705 Send Email Oct 3, 2002
7:56 pm
Steven, A .wmf is a "windows meta file". You should be able to view it with Win98, Win2000, WinXP, ACDSee viewer, etc. When I get a chance, I will convert them...
13 Alexandre GuimarĂ£es
alexandregui... Send Email
Oct 3, 2002
8:56 pm
Hi, Wouldn't it be easier and maybe even cheaper to have a PLD instead of the bunch of logic chips ? It should not be hard to port to a cheap altera or xilink...
14 Steven Ciciora
sciciora Send Email
Oct 3, 2002
9:15 pm
<snip> ... <snip> Or more importantly, more flexible. - Steven Ciciora...
15 mariss92705 Send Email Oct 3, 2002
10:41 pm
Alexandre, Actually exactly that is in the works. What matters at this point is to get the first 100 prototype board sets out and the "glue-logic&quot; version...
16 Carol & Jerry Jankura
jerryjankura Send Email
Oct 3, 2002
11:23 pm
WMF stands for 'windows metafile' I've used JASC software's 'Paint Shop Pro' to open and print it. -- Jerry...
17 Alexandre GuimarĂ£es
alexandregui... Send Email
Oct 4, 2002
1:43 am
Hi, Mariss ... That makes the project look even nicer :-) I use assembly in my everyday work but I am a little rusty with Z80. I am starting to use C but I...
18 mariss92705 Send Email Oct 4, 2002
3:22 pm
Hi, I uploaded to the files section, "G2002" folder, a picture of the axis card. This is a rendering from ACAD of the actual card (3D model) that has gone into...
19 Mark Peugeot
markatswat Send Email
Oct 4, 2002
3:50 pm
Mark, Your #4 is really just #3 as far as the actual architecture. The editorial comments that Mariss added may not apply 100%, but it is still the same ...
20 Bill
Bill_CT Send Email
Oct 4, 2002
4:43 pm
... Most Windows crashes come from poorly written applications - not all of the problems and crashes are directly Window's related. I am NOT picking sides -...
21 Peter Moreton
petermoretonuk Send Email
Oct 5, 2002
5:15 pm
... Most Windows crashes come from poorly written applications - not all of the problems and crashes are directly Window's related. I am NOT picking sides -...
22 Brian Punkar
bsptrades Send Email
Oct 6, 2002
3:47 am
I'm not completely sure I understand the project. I see that there are axis boards that look to be some sort of velocity generator yes? No? The main board...
23 Dave Kowalczyk
dkowalcz2000 Send Email
Oct 6, 2002
6:20 pm
Brian: Well, I'm sure Mariss will be around to explain things better on the electronics side, but as far as the serial data goes, the idea is to send...
24 mariss92705 Send Email Oct 7, 2002
12:49 am
Brian, Dave has it correct. The individual axis cards work in conjuction with the Rabbit to generate primative motion control actions. These include: (1) Point...
25 mariss92705 Send Email Oct 7, 2002
1:24 am
Hi I have revised the G2002 boards to include 2 GP outputs and 2 GP (general purpose), input per axis. This is different than the outlined schematic. I will...
26 mariss92705 Send Email Oct 7, 2002
3:05 am
Hi, The numbers show there are 63 members in this group. If any of you have questions or contributions, please post and do so. It would be great to have you...
27 writetoalan Send Email Oct 7, 2002
3:42 am
OK... I'll take a stab at this... By training I'm an Electrical Engineer. I spent the first 8 years or so of my career doing embedded designs and software to...
28 John Murphy
zoat2020 Send Email
Oct 7, 2002
3:47 am
I've been using the geckodrives on an EMC based CNC I built a couple years ago. I've been using the rabbit on other projects, and this combines both! I'm...
29 Peter Homann
homannp Send Email
Oct 7, 2002
4:10 am
Hi Mariss, I guess I'm one of the lurkers. I've been thinking about a very similar project for about 12 months now, but as usual it's been pushed back due to ...
30 rainnea Send Email Oct 7, 2002
12:18 pm
Hi, I know practically nothing about the project's hardware or the low level programming needed for it, however it is an interesting project and I'll be...
Messages 1 - 30 of 22275   Oldest  |  < Older  |  Newer >  |  Newest
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