Hi,

I am interested in integrating the Duet's status in Cura's monitor tab.
I'm looking at exposing most of the functions from the DWC to Cura.

What I got so far is that DWC sends HTTP GET and POST requests to ReprapFirmware and diplays it through a web interface.

Efficiency-wise it probably wouldn't make much sense to scrape the values from the interface and display them in Cura, but rather query them the same way the web interface does it.

So far, DWC's list of HTTP requests lists the requests currently used by the web interface, so I wanted to know whether there is a list of ALL requests that the RRfirmware supports? I found this list, but is this all?

Also, do I need to constantly re-load/"re-poll" frequently changing values, such as eg the extruder tempt? Or is there an easier way of keeping the displayed values up-to-date?

Thanks for all the input,
-h

Awesome, thank you for your replies :))

hey @gtj0

I wanted to know how you're handling cross-origin (CORS) problems when using the hosted version of DueUI (dueui.org) to control a printer.

Are you running into any errors?

Could you help me understand how you're handling this on the DueUI side?

Thanks,
-h

@dc42 said in CAN development possibilities:

Currently there is no provision for user-defined messages, but I may add a few for users such as yourself to use.

That would be really cool!
I'm not familiar with C++, unfortunately

Thanks a lot for those answers!

Unless you extend the CAN protocol, you would need to use an existing CAN message. For example, you could alter that code so that M42 commands to a particular port ran your function.

Are the "existing/available CAN messages" documented somewhere?

I would expect them to be in CANlib ?

Where/ How would I modify the protocol?
Would I have to add a custom M-code with the function's name in it?

@dc42 any guidance is highly appreciated!

Hey everyone,

I'm looking into ways of connecting/building my own toolboards and also to explore what's possible with CAN-FD on the Duet 3!

I recently followed the documentation on the sammy-c21 boards and so far I understood that the board has pins available, but I don't understand how I could include these pins in gcode.

For example, there's a pin called pa04, would I then set its PWM to 50% by calling :

M950 P0 C"XX.pa04" Q500
and
M42 P0 S0.5
?

Is it possible to save functions on the chip and then call the whole functions via gcode?

Same goes for Arduino! The CanDIY shield looks really nice, but I'm quite unsure how to use it.

Would I be able to call subroutines that execute arduino code and once it's done return to the "main printjob"?

Does anyone have an overview of what's possible and what's not?

Looking forward to some input from everyone

@gtj0 said in DWC3 Webserver Documentation:

You're my hero!
Thanks! That was exactly what I was looking for. No clue how I missed it!
Thans a lot gtj0

Hi Chriss,

Thanks for the 2 links.

I still don't quite understand how I would send for example a .gcode file.

The 1st link mentions rr_ commands.

Is the rr_model HTTP command still working under RRF3?
I was under the impression this was deprecated?

Best,
-h

Hi All,

I'm currently looking for a documentation of the DWC3, more precisely the available HTTP/json requests?

Under DWC2, I was able to query machine info through these commands.

While I can now get the machine's info through /machine/status, I'm not sure how to upload a gcode file, send + execute single Gcode commands, download files, etc...
I couldn't find the documentation where the new "architecture" is described.

I'm using these commands to control my printer through a custom web interface hosted somewhere else, I guess communicating through DWC is the way to go here, right?

Best,
-h

@gtj0

Ok, I think I get the logic behind it!

Thanks a lot!

Ok, yes, I believe I must have made a mistake somewhere previously. Restarted both systems and I seem to be able to connect now.

However, I can never get past the initial mask if I don't turn polling on (which after some time seems to slow down the browser if I have the console opened).

I am currently using the dsf_*.json that comes with the code on github, in case that is of any importance.

Thanks a lot for taking all that time @gtj0 !