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Merge pull request #3161 from Alex9779/fix_InitialExtruderDirection

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Fix initial extruder direction for second/third/fourth extruder if they run inverted to the first
This commit is contained in:
Scott Lahteine
2016-03-16 12:58:10 -07:00
parent 57e82cacc9 4338813814
commit e7e1866589
1 changed files with 4 additions and 1 deletions
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5
Marlin/stepper.cpp
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@@ -574,8 +574,11 @@ void set_stepper_direction() {
// block begins. // block begins.
FORCE_INLINE void trapezoid_generator_reset() { FORCE_INLINE void trapezoid_generator_reset() {
if (current_block->direction_bits != out_bits) { static int8_t last_extruder = -1;
if (current_block->direction_bits != out_bits || current_block->active_extruder != last_extruder) {
out_bits = current_block->direction_bits; out_bits = current_block->direction_bits;
last_extruder = current_block->active_extruder;
set_stepper_direction(); set_stepper_direction();
} }