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Fix for LA (#9964)

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Missed in the original LA 1.5 PR: eISR has to use a local copy of
current_block->use_advance_lead because it might still run wenn the last
block has been set to NULL.
This commit is contained in:
Sebastianv650 2018-03-07 12:33:13 +01:00 committed by Scott Lahteine
parent 7e386c7e98
commit 5b85464791
1 changed files with 1 additions and 1 deletions
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2
Marlin/src/module/stepper.cpp
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@ -776,7 +776,7 @@ void Stepper::isr() {
#define STOP_E_PULSE(INDEX) do { if (e_steps) { E## INDEX ##_STEP_WRITE(INVERT_E_STEP_PIN); e_steps < 0 ? ++e_steps : --e_steps; } }while(0) #define STOP_E_PULSE(INDEX) do { if (e_steps) { E## INDEX ##_STEP_WRITE(INVERT_E_STEP_PIN); e_steps < 0 ? ++e_steps : --e_steps; } }while(0)
#endif #endif
if (current_block->use_advance_lead) { if (use_advance_lead) {
if (step_events_completed > LA_decelerate_after && current_adv_steps > final_adv_steps) { if (step_events_completed > LA_decelerate_after && current_adv_steps > final_adv_steps) {
e_steps--; e_steps--;
current_adv_steps--; current_adv_steps--;