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Currently running Ubuntu 10.04 and Axis 2.5.4 with the RTAI kernel on a P4 3GHz with 2 G RAM going out to a G540 controller with close to 1000 programs ran.
Latency: Servo 7k (ns) Base 22k (ns) running glxears and accessing directories, etc.
Tried the latest ISO for 2.9.3 RT-Preempt kernel live from an almost-full flash drive
Latency: Servo 77k to 90k(ns) Base 72k (ns) running glxears and accessing directories, etc

Computer is currently standalone, no web surfing or networking. Currently it is partitioned for Ubuntu and an old Windows install.

Wondering if there is hope with this PC or if I am better off getting something else. And if get something else, what? I am not so PC and Linux savvy.

Refurbished i5 desktops start around 130$ in my market Dec 2024  but would need a card for the parallel port.

I saw on another thread where a solution was to load a Wheezy ISO which gets one up to 2.7.X LinuxCNC IIRC (yes?)

Thanks, I appreciated the input.





 

Hello, thank you very much and a very Merry Christmas!...
Since I would like to see your project, maybe share it on your YouTube channel, I want to learn and I was really happy with the news that I could use Ubuntu to work seriously.
Thanks a lot!...

Hello, thank you very much and a very Merry Christmas!...
It doesn't have that port, what board do you recommend for this little one?
Thanks a lot!...

I did some more testing and milling and everything seems to work for me know. There are some differences to your setup: this is how I measure the tool 

    #<touch_result> = #5063
    #<setterheight> = #<_hal[qtversaprobe.probeheight]>
    #<blockheight> = #<_hal[qtversaprobe.blockheight]>
    (print, #<touch_result>  #<setterheight>  #<blockheight>)
    ;(DEBUG, %fTouch Result: #<touch_result>)
    ;(DEBUG, %fProbe Height: #<_hal[qtversaprobe.probeheight]>)
    ;(DEBUG, %fBlock Height: #<_hal[qtversaprobe.blockheight]>)
    ;(DEBUG, %fnewtool: [#<touch_result> - #<_hal[qtversaprobe.probeheight]> + #<_hal[qtversaprobe.blockheight]>])

    G10 L1 P#<newtool> Z[#<touch_result> - #<_hal[qtversaprobe.probeheight]> + #<_hal[qtversaprobe.blockheight]>]
    G43

Whole file can be found here . Main remap is base on user Guihue and versaprobe macros for axis  adopted to my needs in qtdragon. 
github.com/zieluch22/sorotec_cl0604/blob...cros/rack_change.ngc 
From ini check section 
[RS274NGC]
#PSNG parapeters
RETAIN_G43 = 0
INI_VARS = 1
HAL_PIN_VARS = 1
SUBROUTINE_PATH = macros 
RS274NGC_STARTUP_CODE = G17 G21 G40 G43H0 G54 G64P0.0127 G80 G90 G94 G97 M5 M9
and I am using python3. 
whole file 
github.com/zieluch22/sorotec_cl0604/blob...d_sorotec_cl0604.ini 

hope you can find something and you can enjoy the software.

beauxnez wrote:

hello
i have an nvem card based on rt1052 but i can't flash it with st link, the card is not detected, i tried with a card with a stm32f401 and it is detected?
 

Hello beauxnez,
First and foremost, you should be able to see the ST-Link as a probe using PyOCD. I would suggest enabling the Windows default Administrator account and trying it from there. In my case, I couldn't get PyOCD to detect either the ST-Link or CMSIS-DAP even when running the terminal as an Administrator!

So, I'd recommend giving the Administrator account a shot. If the "pyocd list" successfully recognizes the ST-Link probe, let me know and we can proceed from there.

Good luck!