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Require TMCStepper >=0.6.2 for LPC176x controllers #17934

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sjasonsmith
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Description

Update the minimum version of TMCStepper required for LPC1768/9 environments.

Benefits

TMCStepper 0.6.2 includes the following fix, which resolves communication issues when using single-pin software serial. This most significantly impacts SKR 1.4 boards, which use single-pin serial by default.

Without this change impacted boards could sometimes (but not always) fail to properly configure their last TMC driver, usually their extruder. When this occurred TMC status would report OK, but the wrong number of microsteps were often used.

teemuatlut/TMCStepper#101

Related Issues

I'm not aware of currently open issues, but this came to my attention due to a Discord user having issues with their extruder driver travelling the wrong distance. This might not be the root cause, but it is very possible.

@thinkyhead thinkyhead merged commit 8d3caa9 into MarlinFirmware:bugfix-2.0.x May 10, 2020
@sjasonsmith sjasonsmith deleted the PR/TMCStepper_0.6.2 branch May 10, 2020 08:37
vgadreau pushed a commit to vgadreau/Marlin that referenced this pull request May 29, 2020
jmp0x0000 pushed a commit to jmp0x0000/Marlin that referenced this pull request Aug 7, 2020
njibhu pushed a commit to njibhu/Marlin that referenced this pull request Aug 24, 2020
HairingX pushed a commit to HairingX/Marlin that referenced this pull request Jun 16, 2021
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2 participants