Format and type of data passed to Mesa Control Card from LCNC?

PCW
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3 years 7 months ago #266575 by PCW

Replied by PCW on topic Format and type of data passed to Mesa Control Card from LCNC?

The LBP16 protocol is documented in the manual for any Mesa Ethernet card.

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Cyber
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3 years 7 months ago #266712 by Cyber

Replied by Cyber on topic Format and type of data passed to Mesa Control Card from LCNC?

I'm using Pathpilot /Tormach xsTech router, the board on it called "Torstep". is their any difference between mesa and Torstep? how to know if Torstep uses lbp16 protocol for communication with Pathpilot controller?

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PCW
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3 years 7 months ago #266716 by PCW

Replied by PCW on topic Format and type of data passed to Mesa Control Card from LCNC?

I don't know if Torstep uses LBP16 or not...

You would probably have to look at the driver source to find out.

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rene-dev
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3 years 7 months ago #266922 by rene-dev

Replied by rene-dev on topic Format and type of data passed to Mesa Control Card from LCNC?

controlling the card directly from ros is a bad idea. ros is not realtime capable, and has no concept of safety. Instead I reccomend using a hal ros bridge: github.com/tormach/hal_ros_control
this allows you to use any hardware with a hal driver, like mesa or ethercat. And you can implement additional logic in hal, that is executed independent of ros.

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rene-dev
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3 years 7 months ago #266924 by rene-dev

Replied by rene-dev on topic Format and type of data passed to Mesa Control Card from LCNC?

the torstep board uses the normal hostmot2 driver.

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Cyber
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3 years 7 months ago #267164 by Cyber

Replied by Cyber on topic Format and type of data passed to Mesa Control Card from LCNC?

Hi,
Thank you for replying, do you know if there is any lbp16 decoder? I need to understand the data that is transferred between the PathPilot controller and the xsTech router. I used the Wireshark to capture the packets.

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rene-dev
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3 years 7 months ago #267165 by rene-dev

Replied by rene-dev on topic Format and type of data passed to Mesa Control Card from LCNC?

Like I said, it uses the hm2_eth driver(just like mesa cards), which you can find in the linuxcnc src. you will not be able to control it form ros, as realtime is required.

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Cyber
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3 years 7 months ago #267166 by Cyber

Replied by Cyber on topic Format and type of data passed to Mesa Control Card from LCNC?

thank you for the response, I'm not trying to control the card I'm trying to understand the communication between the controller and the card for a research purposes. I'm doing a research in PP and CNC machines. Do you have any idea how can I get more knowledge about the data been transferred among the communication?

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rene-dev
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3 years 7 months ago #267170 by rene-dev

Replied by rene-dev on topic Format and type of data passed to Mesa Control Card from LCNC?

github.com/LinuxCNC/hostmot2-firmware/bl...ster/src/regmap#L226
github.com/LinuxCNC/linuxcnc/blob/master...a-hostmot2/hm2_eth.c
github.com/LinuxCNC/linuxcnc/blob/master...-hostmot2/hostmot2.c

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andypugh
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3 years 7 months ago #267593 by andypugh

Replied by andypugh on topic Format and type of data passed to Mesa Control Card from LCNC?

For your purposes that regmap file is probably OK, though it is fairly old and lacks some of the newer modules.
The latest version can be found at freeby.mesanet.com/regmap

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