bigtreetech / bigtreetech/MMU2-DIP
MMu2 doesn't recognize commands from SKR 1.4
- Dominant language
- C++
- Stars
- 31
- Forks
- 13
- PR merge metrics
- No merged PRs in 30d
Description
Hi, i have connected the MMU2 to my SKR 1.4.
I can not communicate with MMU2. Wiring is ok.
when i connect my PC to SKR i get the MMU2 commands and when i connect my PC to MMU2 i can control MMU2.
when i do a reset i can send the X0, S1, S2 command from my PC and have the TX of MMU2 connected to my SKR it works.
so it seems, that SKR commands are not recognized by MMU.
do i need a level shifter or something else?
regards
Christian
Contributor guide
No contributing guide indexed for this repository
Research direction
No files, tests, or entry points are named. Start by reproducing the X0, S1, and S2 commands after reset and tracing serial communication between the SKR 1.4 and MMU2, including the signal-level assumptions. Done means identifying why commands are not recognized and documenting or resolving the required hardware or firmware change.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- embedded-iot
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100