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Allow Low EJERK with LA #23054

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Nov 2, 2021
Merged

Allow Low EJERK with LA #23054

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9f859fd
Allow Low EJERK with LA
thisiskeithb Nov 1, 2021
0baba8d
Update SanityCheck.h
thinkyhead Nov 2, 2021
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1 change: 1 addition & 0 deletions Marlin/Configuration_adv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1913,6 +1913,7 @@
#define LIN_ADVANCE_K 0.22 // Unit: mm compression per 1mm/s extruder speed
//#define LA_DEBUG // If enabled, this will generate debug information output over USB.
//#define EXPERIMENTAL_SCURVE // Enable this option to permit S-Curve Acceleration
//#define ALLOW_LOW_EJERK // Allow a DEFAULT_EJERK value of <10. Recommended for direct drive hotends.
#endif

// @section leveling
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4 changes: 2 additions & 2 deletions Marlin/src/inc/SanityCheck.h
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Expand Up @@ -1242,8 +1242,8 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
#error "LIN_ADVANCE and S_CURVE_ACCELERATION may not play well together! Enable EXPERIMENTAL_SCURVE to continue."
#elif ENABLED(DIRECT_STEPPING)
#error "DIRECT_STEPPING is incompatible with LIN_ADVANCE. Enable in external planner if possible."
#elif !HAS_JUNCTION_DEVIATION && defined(DEFAULT_EJERK)
static_assert(DEFAULT_EJERK >= 10, "It is strongly recommended to set DEFAULT_EJERK >= 10 when using LIN_ADVANCE.");
#elif NONE(HAS_JUNCTION_DEVIATION, ALLOW_LOW_EJERK) && defined(DEFAULT_EJERK)
static_assert(DEFAULT_EJERK >= 10, "It is strongly recommended to set DEFAULT_EJERK >= 10 when using LIN_ADVANCE. Enable ALLOW_LOW_EJERK to bypass this alert (e.g., for direct drive).");
#endif
#endif

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