Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
[!IMPORTANT]
This is a 2.1.x-specific patch for board lockup and bootloops with Input Shaping among other things. Originally submitted to bugfix-2.1.x by @sjasonsmith in https://github.com/MarlinFirmware/Marlin/pull/26936
And if you're asking why this didn't affect bugfix-2.1.x, it's because:
The reason this specific bug behaviour does not occur in bugfix appears to be that the variable in question (step_needed in function Stepper::shaping_isr()) has changed type from xy_bool_t to AxisFlags.
Description
And if you're asking why this didn't affect
bugfix-2.1.x, it's because:Originally posted by @tombrazier in https://github.com/MarlinFirmware/Marlin/issues/26811#issuecomment-2041060625
Verified that board bootloops and lockups are gone on an SKR 1.4 with
INPUT_SHAPING_XandINPUT_SHAPING_Yenabled.Requirements
Marlin
2.1.xBenefits
Marlin
2.1.xwill include this patch on the next release.Related Issues
Related Issues