Advanced Search

have build a minimal bitfile (blinking LED's)

multixmedia.org/Spartan6.bit

if you like to test it


EDIT: update path  (.bin -> .bit)

Your right it is a 7i76E.


The resistor network is OK but the markings on IC's are very faded so what should I be ordering?

(I am in the UK and going to have to pay a minimum order handling charge to Farnell so I may as well order them all at the same time).

And thank you for your help!

I would do some simple electrical checks
like seeing if the direction signals going to
the step drives change from 0 to 5V
(or vice-versa) when you jog in opposite
directions.

HiI got a small DIY milling machine from a friend who bought it from some guy a couple of years ago. When I plug everything in, Linux opens up, and I can jog the axis on the screen, the ini folder looks like it's set up, the controller turns on, but the motors don't jog even though they get warm. I'm wondering if there's some communication issue and where to start. I have run a foam cutter with Linux and know the tiniest bit about this, but not sure where to start diagnosingHelp is appreciatedThanks  



 

If you can link to your image that would be great.
Also if you have a github repo with your modified src......or if it's something you can't share I can try with the Linuxcnc sources to get the process down.
Cheers
Rob

Thank you for ur help.

This is all the information about my development board. down.myir-tech.com/MYD-YM62X/
I'm not sure if you can download it, as this is a Chinese website. If u can't, please let me know. I will upload them to GitHub.

And I need to cross compile the LinuxCNC, because I modified the source code.

I will try what u told to me.

Cant do this anymore bye all wrote:

Crickets ? A measure of lack of response ?

Yup !

greg23_78 wrote:

on my halcompil, i see the pin axisui.run-disable

The axis pins must be loaded after AXIS is fully loaded or else the pin does not exist error occurs.  Include them in another file so it loads later, like postgui.  hal or other.

 

Got the info together and placed it on github
github.com/ozzyrob/Linuxcnc-FPGA

Crickets ? A measure of lack of response ?

COFHAL wrote:

I already found the problem after two days, it was in the .HAL file in the various signal section, they had included the instruction halui.abort, but the truth is I don't know why this instruction changes from G54 to G53.

I think the problem is really because of the number of halui instructions within the file.  hal, as soon as I add an additional instruction of type halui, G53 appears at the beginning.  I don't understand why that happens.
 

This is an idea, without G41/G42, but it compensates tooldiameter from tooltable entry. Just enter the machining diameter near top.
Straight X move, then one round, and straight back to center.
You can do a helix also, just start at Z0, enter in the line with G2 also Z depth and amount P of turns (Z-2 P10)
Maybe G2 G3 can be changed for opposite direction.
It is not tested, so try careful dry run
Edit:
It is tested in my sim, and half circle lead in / lead out added for smooth transition to circle



 

You must mean 7I76E if you have CR17

CR17 is a SMBJ5V0 (SMB package)
Its job is to prevent overvoltages on the the
7I76Es 5V rail.

If PTC4 was fried that sounds like you accidentally
connected 24V to the 5V outputs on TB3. PTC4 is a
1206 2A PTC MF-NSMF200-2

Most likely hidden damage would be to 5V parts
U10 (serial), U12 (step/dir 0..3), U15 (encoder) ,
U19 (step/dir 0 ..3),  and U24 (step/dir 4)

Also if 24V got routed to step/dir outputs, the 27 Ohm resistor 
networks near the step/dir outputs may have been damaged
(check with ohmmeter, damage =  high resistance/open)

I feel really stupid asking this question.  I want to use G2 to cut a 1" diameter circle with a .125" end mill, with the center at (x,y).  There are tutorials on cutting arcs, on cutting rounded corners on squares.  There are lots of gCode generators that seem to produce nothing.  Can anyone tell me how tto write either G2 or G3 starting at (x, y) with diameter d feed rate 5?  IIf I have one working example, I will write a prograjm to produce the gCode for whatever size I need.  I am sure most of you can do this in your sleep.  I fear the stroke in 2014 took away too much analytic skill.

OP ?
Crickets...