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[New Feature] I2C position encoder support (#6946)

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* [New Feature] I2C position encoder support

I plan to continue improving/cleaning this up, as there areas that need work.

* let the cleanups begin.

* progress

* more progress

* comments, rename files, etc.

* clean

* Cleanups per thinkyhead

* a few more cleanups

* cleanups, bugfixes, etc.

* remove unnecessary passes_test(), additional cleanups/optimizations

* cleanups

* misc.

* Fix up I2CPEM.init() and a few other things.

* organize, fix, rename, etc.

* more optimization

* a few more tweaks
This commit is contained in:
bgort 2017-06-09 08:06:23 -04:00 • committed by GitHub
parent f7dacd1f50
commit 2f55870edb
8 changed files with 1684 additions and 17 deletions
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15
Marlin/SanityCheck.h
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@ -270,11 +270,24 @@
#endif
#endif
/**
* I2C Position Encoders
*/
#if ENABLED(I2C_POSITION_ENCODERS)
#if DISABLED(BABYSTEPPING)
#error "I2C_POSITION_ENCODERS requires BABYSTEPPING."
#endif
#if I2CPE_ENCODER_CNT > 5 || I2CPE_ENCODER_CNT < 1
#error "I2CPE_ENCODER_CNT must be between 1 and 5."
#endif
#endif
/**
* Babystepping
*/
#if ENABLED(BABYSTEPPING)
#if DISABLED(ULTRA_LCD)
#if DISABLED(ULTRA_LCD) && DISABLED(I2C_POSITION_ENCODERS)
#error "BABYSTEPPING requires an LCD controller."
#elif ENABLED(SCARA)
#error "BABYSTEPPING is not implemented for SCARA yet."