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Some advance modifications

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This commit is contained in:
Erik van der Zalm
2011-12-04 19:54:07 +01:00
parent 6b86f15686
commit af22e9cd38
3 changed files with 41 additions and 18 deletions
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12
Marlin/planner.cpp
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@ -198,7 +198,6 @@ void calculate_trapezoid_for_block(block_t *block, float entry_factor, float exi
// block->accelerate_until = accelerate_steps;
// block->decelerate_after = accelerate_steps+plateau_steps;
CRITICAL_SECTION_START; // Fill variables used by the stepper in a critical section
if(block->busy == false) { // Don't update variables if block is busy.
block->accelerate_until = accelerate_steps;
@ -482,7 +481,7 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa
// Bail if this is a zero-length block
if (block->step_event_count <=dropsegments) { return; };
// Compute direction bits for this block
// Compute direction bits for this block
block->direction_bits = 0;
if (target[X_AXIS] < position[X_AXIS]) { block->direction_bits |= (1<<X_AXIS); }
if (target[Y_AXIS] < position[Y_AXIS]) { block->direction_bits |= (1<<Y_AXIS); }
@ -722,7 +721,7 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa
else {
long acc_dist = estimate_acceleration_distance(0, block->nominal_rate, block->acceleration_st);
float advance = (STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K) *
(current_speed[E_AXIS] * current_speed[E_AXIS] * EXTRUTION_AREA * EXTRUTION_AREA / 3600.0)*65536;
(current_speed[E_AXIS] * current_speed[E_AXIS] * EXTRUTION_AREA * EXTRUTION_AREA)*256;
block->advance = advance;
if(acc_dist == 0) {
block->advance_rate = 0;
@ -731,6 +730,13 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa
block->advance_rate = advance / (float)acc_dist;
}
}
/*
SERIAL_ECHO_START;
SERIAL_ECHOPGM("advance :");
SERIAL_ECHO(block->advance/256.0);
SERIAL_ECHOPGM("advance rate :");
SERIAL_ECHOLN(block->advance_rate/256.0);
*/
#endif // ADVANCE