Marlin: [BUG] bugfix-2.0.x /TMCStepper@~0.7.0 breaks TMC 2209 communications

[golfromeo-fr]

Bug Description

bugfix-2.0.x / TMCStepper@~0.7.0 breaks TMC 2209 communications

My Configurations

bugfix-2.0.x version from early July 2020

Steps to Reproduce

configure bugfix-2.0.x with TMC2209 UART for SKR PRO v1.1

Expected behavior: [What you expect to happen]

the steppers work

Actual behavior: [What actually happens]

the steppers do not properly work, sensorless homing is broken

Additional Information

TMCStepper@~0.7.0 introduced the bug
TMCStepper@~0.7.1 fixes the problem
https://github.com/teemuatlut/TMCStepper/commit/c71485176aac3b91c9f6fadc39f6d3adfc2a67cd
https://github.com/teemuatlut/TMCStepper/issues/135

[sjasonsmith]

I've posted a pull request to update the requirement to 0.7.1.

[github-actions[bot]]

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