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No need to find an ancient board with a pci slot. PCIe to PCI adapter works also, here is my controller with 5i25, still working fine.
Adapter is "ASMedia Technology Inc. ASM1083/1085 PCIe to PCI Bridge (rev 04)".
Built into an old topfield 5100 case

 

Seems the component is setup to only handle a maximum of 16 messages:
github.com/LinuxCNC/linuxcnc/blob/master...nts/message.comp#L90

Note that there is an enhanced message component in master that supports up to 64 messages which you might be able to install on your system using the 'halcompile' tool. (this tool will require installation of the 'linuxcnc-dev' package)
github.com/LinuxCNC/linuxcnc/blob/master...ponents/pushmsg.comp

hi guys, I would like to know how to generate more than 16 messages; when I generate the seventeenth message, Linux throws an error.Tanks 

Hallo zusammen, ich hab da auch noch ein paar Fragen zu der Konfig von Mesakarten.
1. Ich hab mal gelesen dass man in der HAL die Step und Directionpins für Schrittmotorsteuerungen drehen kann, ohne das Bitfile zu ändern. Es soll dafür sogar einen eigenen Befehl geben. Stimmt das?
2. Es gibt ja in den Mesa Bitfiles meist 2 Verwendungen für einen Pin, in der PNCConf gebe ich Anfangs an wieviele PWM, Schrittmotorachsen ich habe, damit werden die hinteren Pins zu Ein/Ausgängen.Ich brauch nun aber eine PWM auf LPT/Port2, dafür sage ich in ypncconf PWM =0, damit in im ersten Port die Ausgänge nutzen kann,  Anschließend wird die HAL von Hand editiert und der Pin der laut Bitfile PWM kann am Port2 wieder auf PWM geändert. Hab ich das so richtig verstanden?

Danke schonmal, Gruß Thomas 

Ich rühr mich wenn ich wieder Zugriff auf meinen Rechner hab!

Kannst du das aug Google Drive oder woanders hochladen, so dass jeder Zugang dazu hat?

In dem ZIP Ordner sollten einige VHD Dateien sein. Die änderst du einfach um und machst den Doppelklick an der richtigen Stelle. Das Bitfile wird das im selben Ordner erstellt. Es gibt eh eine unnötig lange Anleitung dazu: forum.linuxcnc.org/27-driver-boards/4558...nix-bitfile-creation
Habe meine Datei als Beispiel angehängt. Vergleiche den Inhalt mit deinen Dateien aus dem ZIP Ordner. Falls die Benezandatei fehlt, findest du die dort, wo deine 7i92 Originalfirmware ist. Es müsste source.zip oder so heißen.  

Hallo! Dein Hinweis hat mich auf die Downloadseite Baidu Erranium gebracht, die Zip hab ich nun, ist aber zu groß zum hier hochladen... also größer 1,6 Mb.. Wie ist das mit der Xilinx Software, deklariert du da die Ausgänge wie gewünscht und exportiert das Bitfile? Du darfst mich auch gerne per Mail kontaktieren, dann Müllen wir hier den Thread nicht zu.. evtl. Könntest du mir nach Absprache der Pinbelegung das Bitfile erzeugen? Die Installation der AMD Software scheint ja auch ein Klimmzüge zu sein... Gruß Thomas 

I'm pretty new at this so i'm guessing it's something simple. I load the attached .ngc file into qt dragon and I can see what i think are the work piece coordinates, but not the toolpaths, this file does work and draws a circle. I have no idea where/how to configure this, any help will be greatly appreciated, thanks!!

 

After update firmware on Stepper driver
all work fine with configuration in first post

The remote uses the RS422 protocol with a baud rate of 57600, configured for 8 data bits, no parity, and 1 stop bit (8N1).

For testing, I wrote a Python module to communicate with the remote via a COM-to-RS422 adapter, though I suspect it’s not very reliable.

My idea is to create a custom real-time LinuxCNC component, similar to the mesa_modbus component, and possibly use the internal hostmot2 C-API functions (hm2_pktuart_send(), hm2_pktuart_read(), and hm2_pktuart_setup()) to directly push and pull byte arrays into the FPGA’s transmit and receive FIFOs during the real-time servo thread.


 

can you supply a sample program ?

Japoo_Ness wrote:

Lastly, I’d love to get your advice on the best learning path to fully grasp how Mesa cards interface with LinuxCNC. Should I just wire everything up on the test bench and learn by trial and error, or is there a specific documentation, manual, or forum thread you'd recommend reading first to avoid spinning my wheels?

Depends a lot, but documentation is a nice start, browsing this forum helps a lot, and there are tutorials/howto's for near everything be it very nice or chaotic written by me.
But nothing can replace the hands on approach: wire stuff and test while reading and checking pictures.
-
This last is how i learned last few days that Pico2W is utterly useless as a flight controller, for many, many reasons, but mostly their (anything RPI) being convoluted and disorganized beyond belief for something normal people should use, requiring hundreds of libraries, and never ever consistently building firmware without complaint.
No wonder ESP32 won, much cheaper and much faster and most importantly with flash memory.
Next, use that Pico2w for LinuxCNC, oh joy!

What protocol does the pendant use?

Hi everyone,

I've just purchased the host PC and I'm waiting for it to arrive so I can set up the RT-OS and start digging into the retrofit.

To practice on the bench and learn the ins and outs of LinuxCNC, I put together a Mesa hardware stack: 7i97T + 7i74 + 7i84U + 7i73.

I have a quick question regarding the initial configuration workflow. From what I’ve gathered reading through the forum and docs, the easiest path forward seems to be:

Use mesaflash to flash the proper binary (.bin) to the 7i97T so it supports the Smart Serial expansion through the 7i74.

Once the main FPGA board has that specific firmware, use mesact to configure the machine basics, pinout, and closed-loop settings.

Regarding step 1: Is mesaflash strictly necessary for this, or can I flash the firmware directly from within mesact? From what I've seen in recent updates, it looks like mesact has a built-in flashing utility that might work for this. Is that correct and reliable for ethernet cards?

Lastly, I’d love to get your advice on the best learning path to fully grasp how Mesa cards interface with LinuxCNC. Should I just wire everything up on the test bench and learn by trial and error, or is there a specific documentation, manual, or forum thread you'd recommend reading first to avoid spinning my wheels?

Thanks a lot for all the help!

I understand how to use Modbus, thanks.
How do I use Channel 6: pktUART (RS-422 for the pendant)? Is it the same as Modbus?