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  • arijitdutta
  • arijitdutta
11 Aug 2025 02:43
Diving deeper into linuxcnc was created by arijitdutta

Diving deeper into linuxcnc

Category: General LinuxCNC Questions

I had no knowledge about CNCs, but over the last year I have learnt how to use Linuxcnc with a mesa board for my DIY lathe. Would like to dive deeper into knowing about HAL, Macros, O-codes, and maybe those custom Virtual panels that I see all over the internet. Now the thing is, what do i need to have prior knowledge about before diving deeper into this stuff? Python. Thanks in advance.
  • tommylight
  • tommylight's Avatar
10 Aug 2025 23:55
Replied by tommylight on topic ARE YOU KIDDING ME YOUTUBE !!!

ARE YOU KIDDING ME YOUTUBE !!!

Category: Off Topic and Test Posts

Already seen it, he missed the point by quite a margin, hence i did not bother to post it here.
The lack of options is the issue, and that is why they can pull such s#it off easily, but something does not add up for me:
-why are payment processors forcing this when it lowers their profits
-why are credit card issuers submitting to payment processors when this lowers their profits
-why are companies complying with all above as again it lowers their profits and alienates customers
As a result crypto is flying high and will continue to do so, especially when someone figures out how to skip all above by using this, and this opens another black market on the net for po...kemon pictures and stuff...
My conclusion :
CONGRATULATIONS humans, you have become the most valuable asset on the internet!!!
If Alphabet, Meta, Tencent, et al can pay astronomical amounts of money to credit card issuers and payment processor for the loss of profits, and they accept it silently and without the smallest backfire, we as internet users have become quite pricey.
-
BTW, do not fall for scams like "VPN is secure" =it is not and they sell all your data and use your PC for their stuff just check latest ticketmaster fails, "we are building new internet that has nothing to do with this one" = they can not, short of plowing half the world and laying new cables/optics.
For both of those there was and is a solution for over 10 years, use TOR, just do read a bit before jumping in, OK?
  • ChironFZ16
  • ChironFZ16's Avatar
10 Aug 2025 23:48
Replied by ChironFZ16 on topic Bitfile for 6i25+7i74+7i85

Bitfile for 6i25+7i74+7i85

Category: Driver Boards

No, the 6i25 was operated with only one 7i74; the second slot remained empty. The new 7i85 will not arrive until Wednesday.
  • PCW
  • PCW's Avatar
10 Aug 2025 23:44
Replied by PCW on topic Bitfile for 6i25+7i74+7i85

Bitfile for 6i25+7i74+7i85

Category: Driver Boards

Odd, do the 7I85 encoders work?

Maybe there's some meta-problem of some kind.
  • PCW
  • PCW's Avatar
10 Aug 2025 23:39
Replied by PCW on topic M66 keeps waiting

M66 keeps waiting

Category: G&M Codes

The sample code works (standalone) for me,
That is just by manipulating/watching the pins in halshow:  

 

 
  • ChironFZ16
  • ChironFZ16's Avatar
10 Aug 2025 23:38
Replied by ChironFZ16 on topic Bitfile for 6i25+7i74+7i85

Bitfile for 6i25+7i74+7i85

Category: Driver Boards

That was 5i25_7i74x2.bit, sserial_port_1=021xxx
  • my1987toyota
  • my1987toyota's Avatar
10 Aug 2025 22:51
Replied by my1987toyota on topic ARE YOU KIDDING ME YOUTUBE !!!

ARE YOU KIDDING ME YOUTUBE !!!

Category: Off Topic and Test Posts

and further more
  • ihavenofish
  • ihavenofish
10 Aug 2025 21:11
Replied by ihavenofish on topic Mini wannabe datron build

Mini wannabe datron build

Category: CNC Machines

sooo pretty.
 

haha
 
  • PCW
  • PCW's Avatar
10 Aug 2025 20:29
Replied by PCW on topic Starthilfe Retrofit ISEL CPM4030 MESA7i95T+7i83

Starthilfe Retrofit ISEL CPM4030 MESA7i95T+7i83

Category: Deutsch

More like:

net joint-0-pos-fb <= hm2_[MESA](BOARD).0.encoder.00.position
net joint-0-pos-fb => joint.0.motor-pos-fb
net joint-0-pos-fb => pid.x.feedback

# PID Output
net joint.0.output <= pid.x.output
net joint.0.output => hm2_7i95.0.7i83.0.0.analogout0
  • tommylight
  • tommylight's Avatar
10 Aug 2025 20:20
Replied by tommylight on topic Thermwood C40 retrofit

Thermwood C40 retrofit

Category: CNC Machines

The above has already been replied on the other topic/thread.
  • tommylight
  • tommylight's Avatar
10 Aug 2025 20:18
Replied by tommylight on topic LinuxCNC vs Commercial

LinuxCNC vs Commercial

Category: General LinuxCNC Questions

Start a new topic on the "show your stuff" section of the forum, in the tittle put retrofit of whatever your machine is named, attach plenty of pictures of the existing machine and control and wiring with details on motors and drives, add whatever info you think might help, wait for replies.
There are plenty of us here who do a lot of retrofits and new builds, some do magnificent machines with details worth the "hall of fame", so plenty of help on tap, just ask.
  • yadamb
  • yadamb
10 Aug 2025 19:34
Replied by yadamb on topic LinuxCNC vs Commercial

LinuxCNC vs Commercial

Category: General LinuxCNC Questions

Im considering upgrading the controller on our thermwood C67 5 axis machine. its form 2008 with the current controller being from 2011. Issue is that if it's done via thermwood its a full rebuild of the motors/drivers and controller box/ power supply with install is like 90-95k. We believe that with a little work and our current understanding we can do the upgrade ourselves of just the controller leaving our current motors still on the machine. Do you have any recommendations to use either linux or anything else? Id love to chat with you further about using linux and doing it correctly if you are willing to talk via email/ phone. thanks!
  • yadamb
  • yadamb
10 Aug 2025 19:25
Replied by yadamb on topic Thermwood C40 retrofit

Thermwood C40 retrofit

Category: CNC Machines

Hi, did you guys end up collaborating? I have. a C67 and am looking to upgrade the controller from the 2011 version it currently is at. At this point thermwood will only offer me a full conversion which is 90k and completely too much money. I have been looking at using Masso or centroid, but im not sure which is worth it if they even are and that's what brought me to Linux. Personally im not extremely knowledgeable on the software side, but hardware im good at and feel relatively confident I can actually continue to use the Siemens drivers motors and board that are currently on the machine. Id love to chat with either of you guys about it if you have a chance.
  • Chris91
  • Chris91
10 Aug 2025 18:59 - 10 Aug 2025 19:00
Replied by Chris91 on topic Starthilfe Retrofit ISEL CPM4030 MESA7i95T+7i83

Starthilfe Retrofit ISEL CPM4030 MESA7i95T+7i83

Category: Deutsch

So that's how it is?

# Axis: X Joint: 0 Output: 0
# PID Setup
setp pid.x.Pgain [JOINT_0](P)
setp pid.x.Igain [JOINT_0](I)
setp pid.x.Dgain [JOINT_0](D)
setp pid.x.bias [JOINT_0](BIAS)
setp pid.x.FF0 [JOINT_0](FF0)
setp pid.x.FF1 [JOINT_0](FF1)
setp pid.x.FF2 [JOINT_0](FF2)
setp pid.x.deadband [JOINT_0](DEADBAND)
setp pid.x.maxoutput [JOINT_0](MAX_OUTPUT)
setp pid.x.error-previous-target True
# limit stepgen velocity corrections caused by position feedback jitter
setp pid.x.maxerror [JOINT_0](MAX_ERROR)

# joint-0 enable chain
net joint-0-index-enable <=> pid.x.index-enable
net joint-0-index-enable <=> joint.0.index-enable

net joint-0-enable <= joint.0.amp-enable-out
net joint-0-enable => pid.x.enable

# Enable Stepgen
net joint-0-enable => hm2_7i95.0.7i83.0.0.analogena0

# Joint 0 Step Generator Settings
setp hm2_[MESA](BOARD).0.stepgen.00.dirsetup [JOINT_0](DIRSETUP)
setp hm2_[MESA](BOARD).0.stepgen.00.dirhold [JOINT_0](DIRHOLD)
setp hm2_[MESA](BOARD).0.stepgen.00.steplen [JOINT_0](STEPLEN)
setp hm2_[MESA](BOARD).0.stepgen.00.stepspace [JOINT_0](STEPSPACE)
setp hm2_[MESA](BOARD).0.stepgen.00.position-scale [JOINT_0](SCALE)
setp hm2_[MESA](BOARD).0.stepgen.00.maxvel [JOINT_0](STEPGEN_MAX_VEL)
setp hm2_[MESA](BOARD).0.stepgen.00.maxaccel [JOINT_0](STEPGEN_MAX_ACC)
setp hm2_[MESA](BOARD).0.stepgen.00.step_type 0
setp hm2_[MESA](BOARD).0.stepgen.00.control-type 1


# position command and feedback
net joint-0-pos-cmd <= joint.0.motor-pos-cmd
net joint-0-pos-cmd => pid.x.command

net joint-0-pos-fb <= hm2_[MESA](BOARD).0.stepgen.00.position-fb
net joint-0-pos-fb => joint.0.motor-pos-fb
net joint-0-pos-fb => pid.x.feedback

# PID Output
net joint.0.output <= pid.x.output
net joint.0.output => hm2_[MESA](BOARD).0.stepgen.00.velocity-cmd
# net joint.0.output => hm2_7i95.0.7i83.0.0.analogout0
  • probotix
  • probotix
10 Aug 2025 18:14 - 10 Aug 2025 18:15
Replied by probotix on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

@mBender
Where you at in Florida? How can I contact you?

JCLPCB delivered my self made PCB board. Testing ongoing. I had to order 5 boards. If anyone is interested in one, I have a few spares. Located in the Florida USA. 

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