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Convert to TMC2208? #57

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Shaische opened this issue Aug 19, 2020 · 3 comments
Open

Convert to TMC2208? #57

Shaische opened this issue Aug 19, 2020 · 3 comments

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@Shaische
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Looking to convert this to a TMC2208. I was wondering if any firmware modifications would be necessary? Any help appreciated!
@kb-
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kb- commented Aug 19, 2020

The same answer would apply here. #55
Major modifications. The firmware controls a H-bridge with 4 logical inputs. It doesn't generate STEP/DIR for a TMC2208 or alike.

@xhejtman
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So no plans to add better driver currently?

@Shaische
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Shaische commented Dec 1, 2020

The TMC5160 has encoder support. Page 10 https://www.trinamic.com/fileadmin/assets/Products/ICs_Documents/TMC5160A_Datasheet_Rev1.14.pdf
The breakoutboard is open source. https://www.digikey.ca/reference-designs/en/motor-control/motor-control/2592
Download link https://www.trinamic.com/fileadmin/assets/Products/Eval_Drawings/TMC5160-BOB_CAD_Files_V1.2.zip

Maybe it's possible to incorporate TMC5160? I'm not sure if the same setup would work with the other ones like TMC2208? Sadly above my skill level to incorporate this.

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@kb- @Shaische @xhejtman