3d_print_resources/Marlin
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Fix missing deceleration steps

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Marlin never reached final_speed after deceleration.
This commit is contained in:
Sebastianv650 2018-01-14 16:29:19 +01:00
parent a0bd811093
commit 4fa0937a55
2 changed files with 5 additions and 2 deletions
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5
Marlin/stepper.cpp
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@ -733,8 +733,11 @@ void Stepper::isr() {
#endif // LIN_ADVANCE
}
else if (step_events_completed > (uint32_t)current_block->decelerate_after) {
else if (step_events_completed >= (uint32_t)current_block->decelerate_after && current_block->step_event_count != (uint32_t)current_block->decelerate_after) {
uint16_t step_rate;
// If we are entering the deceleration phase for the first time, we have to see how long we have been decelerating up to now. Equals last acceleration time interval.
if (!deceleration_time)
deceleration_time = calc_timer_interval(acc_step_rate);
MultiU24X32toH16(step_rate, deceleration_time, current_block->acceleration_rate);
if (step_rate < acc_step_rate) { // Still decelerating?