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Multiply the step rate when grouping advance steps

This commit is contained in:
Yuri D'Elia 2019-05-27 00:44:17 +02:00
parent a742afcebd
commit 51d6904dad
1 changed files with 6 additions and 2 deletions
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8
Firmware/planner.cpp
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@ -1093,10 +1093,14 @@ Having the real displacement of the head, we can calculate the total movement le
float advance_speed = (extruder_advance_K * block->e_D_ratio * block->acceleration * cs.axis_steps_per_unit[E_AXIS]); float advance_speed = (extruder_advance_K * block->e_D_ratio * block->acceleration * cs.axis_steps_per_unit[E_AXIS]);
if (advance_speed > MAX_STEP_FREQUENCY) advance_speed = MAX_STEP_FREQUENCY; if (advance_speed > MAX_STEP_FREQUENCY) advance_speed = MAX_STEP_FREQUENCY;
block->advance_rate = (F_CPU / 8.0) / advance_speed; block->advance_rate = (F_CPU / 8.0) / advance_speed;
if (block->advance_rate > 20000) if (block->advance_rate > 20000) {
block->advance_rate = (block->advance_rate >> 2)&0x3fff;
block->advance_step_loops = 4; block->advance_step_loops = 4;
else if (block->advance_rate > 10000) }
else if (block->advance_rate > 10000) {
block->advance_rate = (block->advance_rate >> 1)&0x7fff;
block->advance_step_loops = 2; block->advance_step_loops = 2;
}
else else
block->advance_step_loops = 1; block->advance_step_loops = 1;