Both movable components now perform homing sequences transparently whenever the logic layer invalidates the homingValid flag. That reflects the fact, that the user may have moved the Idler or Selector while trying to resolve a HW issue with un/loading filament. Basic rules: - Idler gets rehomed immediately and then moves into the target slot position - Selector rehomes once it is possible - i.e. when filament load state is AtPulley - then it immediately and spontanneously executes the homing sequence and then returns to the desired state Motivation: - resolve startup issues (EEPROM says we have filament, but FINDA is not triggered) - resolve accidental moves of Idler and/or Selector while digging out stuck filament from the unit |
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|---|---|---|
| .vscode | ||
| cmake | ||
| lib | ||
| src | ||
| tests | ||
| utils | ||
| .clang-format | ||
| .cmake-format.py | ||
| .gitignore | ||
| .pre-commit-config.yaml | ||
| CMakeLists.txt | ||
| Doxyfile | ||
| README.md | ||
| version.txt | ||
README.md
Prusa-Firmware-MMU-Private
How to prepare build env and tools
As the first step extract the AVR-GCC to some dir, e.g. /home/user/AVRToolchainMMU/avr8-gnu-toolchain-5.4.0
Add /home/user/AVRToolchainMMU/avr8-gnu-toolchain-5.4.0/bin to your PATH.
mkdir .dependencies
cd .dependencies
mkdir gcc-avr-5.4.0
cd ..
utils/bootstrap.py
bootstrap.py will now download all the "missing" dependencies into the .dependencies folder:
- clang-format-9.0.0-noext
- cmake-3.15.5
- ninja-1.9.0
Note: bootstrap.py will not try to download the AVR-GCC as there is already a directory called
gcc-avr-5.4.0. This will be fixed when we find out where to download the correct packages reliably.
How to build the preliminary project so far:
Now the process is the same as in the Buddy Firmware:
utils/build.py
builds the firmware.hex in build/mmu_release
In case you'd like to build the project directly via cmake you can use an approach like this:
mkdir build
cd build
cmake .. -G Ninja -DCMAKE_TOOLCHAIN_FILE=../cmake/AnyAvrGcc.cmake
ninja
Should produce a firmware.hex file as well.