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Minor planner.cpp style changes

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This commit is contained in:
Scott Lahteine 2017-11-29 14:59:46 -06:00
parent a6d39b7192
commit a0fc5f7b52
1 changed files with 9 additions and 8 deletions
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17
Marlin/planner.cpp
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@ -1071,9 +1071,10 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
if (WITHIN(moves_queued, 2, (BLOCK_BUFFER_SIZE) / 2 - 1)) {
if (segment_time_us < min_segment_time_us) {
// buffer is draining, add extra time. The amount of time added increases if the buffer is still emptied more.
inverse_mm_s = 1000000.0 / (segment_time_us + LROUND(2 * (min_segment_time_us - segment_time_us) / moves_queued));
const uint32_t nst = segment_time_us + LROUND(2 * (min_segment_time_us - segment_time_us) / moves_queued);
inverse_mm_s = 1000000.0 / nst;
#if defined(XY_FREQUENCY_LIMIT) || ENABLED(ULTRA_LCD)
segment_time_us = LROUND(1000000.0 / inverse_mm_s);
segment_time_us = nst;
#endif
}
}
@ -1101,7 +1102,7 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
filwidth_delay_dist += delta_mm[E_AXIS];
// Only get new measurements on forward E movement
if (filwidth_e_count > 0.0001) {
if (!UNEAR_ZERO(filwidth_e_count)) {
// Loop the delay distance counter (modulus by the mm length)
while (filwidth_delay_dist >= MMD_MM) filwidth_delay_dist -= MMD_MM;
@ -1304,18 +1305,18 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
}
}
if (moves_queued > 1 && previous_nominal_speed > 0.0001) {
if (moves_queued > 1 && !UNEAR_ZERO(previous_nominal_speed)) {
// Estimate a maximum velocity allowed at a joint of two successive segments.
// If this maximum velocity allowed is lower than the minimum of the entry / exit safe velocities,
// then the machine is not coasting anymore and the safe entry / exit velocities shall be used.
// The junction velocity will be shared between successive segments. Limit the junction velocity to their minimum.
bool prev_speed_larger = previous_nominal_speed > block->nominal_speed;
const bool prev_speed_larger = previous_nominal_speed > block->nominal_speed;
float smaller_speed_factor = prev_speed_larger ? (block->nominal_speed / previous_nominal_speed) : (previous_nominal_speed / block->nominal_speed);
// Pick the smaller of the nominal speeds. Higher speed shall not be achieved at the junction during coasting.
vmax_junction = prev_speed_larger ? block->nominal_speed : previous_nominal_speed;
// Factor to multiply the previous / current nominal velocities to get componentwise limited velocities.
float v_factor = 1.f;
float v_factor = 1;
limited = 0;
// Now limit the jerk in all axes.
LOOP_XYZE(axis) {
@ -1330,9 +1331,9 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
// Calculate jerk depending on whether the axis is coasting in the same direction or reversing.
const float jerk = (v_exit > v_entry)
? // coasting axis reversal
( (v_entry > 0.f || v_exit < 0.f) ? (v_exit - v_entry) : max(v_exit, -v_entry) )
( (v_entry > 0 || v_exit < 0) ? (v_exit - v_entry) : max(v_exit, -v_entry) )
: // v_exit <= v_entry coasting axis reversal
( (v_entry < 0.f || v_exit > 0.f) ? (v_entry - v_exit) : max(-v_exit, v_entry) );
( (v_entry < 0 || v_exit > 0) ? (v_entry - v_exit) : max(-v_exit, v_entry) );
if (jerk > max_jerk[axis]) {
v_factor *= max_jerk[axis] / jerk;