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BTT OCTOPUS more then 3 axis

Posted by andrea123 
BTT OCTOPUS more then 3 axis
August 31, 2023 06:16PM
Hi, I am trying to control more than 3 axes and I am having some problems with the code compilation.
In the attachment, I put the config file
what can I change?

Thank you very much
Attachments:
open | download - Configuration_adv.h (182 KB)
open | download - Configuration.h (132.7 KB)
open | download - image.png (90.7 KB)
open | download - 373362080_10224385325368461_482468548987428045_n.png (213.9 KB)
open | download - 373579219_10224385324528440_1385214644435424002_n.png (111.5 KB)
open | download - 373603881_10224385326248483_5252925194511512646_n.png (34.4 KB)
Re: BTT OCTOPUS more then 3 axis
August 31, 2023 11:10PM
Marlin provides a 8 axis example [github.com]

All defines that have one digit per axes, you need to add more digits.

eg #define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 80, 80, 80, 80, 80, 80 }


You have multiple errors.

You have not updated the following with extra axes:

#define HOMING_BUMP_MM      { 5, 5, 2 }       // (linear=mm, rotational=°) Backoff from endstops after first bump
#define HOMING_BUMP_DIVISOR { 2, 2, 4 }       // Re-Bump Speed Divisor (Divides the Homing Feedrate)
#define HOMING_FEEDRATE_MM_M { (50*60), (50*60), (4*60) }

Edited 4 time(s). Last edit at 08/31/2023 11:15PM by Dust.
Re: BTT OCTOPUS more then 3 axis
September 01, 2023 12:08AM
Hi,

With the example available on [github.com] I had already tried and unfortunately, it gives me this error.

In any case, is fantastic that adding this was the solution for have 4 axis,
#define HOMING_BUMP_MM { 5, 5, 5, 5 } // (linear=mm, rotational=°) Backoff from endstops after first bump
#define HOMING_BUMP_DIVISOR { 2, 2, 2, 2 } // Re-Bump Speed Divisor (Divides the Homing Feedrate)
#define HOMING_FEEDRATE_MM_M { (50*60), (50*60), (50*60), (50*60) }

Thank you very much
Attachments:
open | download - Immagine 2023-09-01 000358.png (97.6 KB)
Re: BTT OCTOPUS more then 3 axis
September 01, 2023 08:14AM
A bug report has been created over the 8 axis example

[github.com]

Can see what is going on, not sure of best way to fix it...
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