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-rw-r--r--klippy/chelper/itersolve.c92
1 files changed, 3 insertions, 89 deletions
diff --git a/klippy/chelper/itersolve.c b/klippy/chelper/itersolve.c
index 2949b9c2..3f35f1d4 100644
--- a/klippy/chelper/itersolve.c
+++ b/klippy/chelper/itersolve.c
@@ -4,99 +4,13 @@
//
// This file may be distributed under the terms of the GNU GPLv3 license.
-#include <math.h> // sqrt
-#include <stdlib.h> // malloc
+#include <math.h> // fabs
#include <string.h> // memset
#include "compiler.h" // __visible
-#include "itersolve.h" // struct coord
+#include "itersolve.h" // itersolve_gen_steps
#include "pyhelper.h" // errorf
#include "stepcompress.h" // queue_append_start
-
-
-/****************************************************************
- * Kinematic moves
- ****************************************************************/
-
-struct move * __visible
-move_alloc(void)
-{
- struct move *m = malloc(sizeof(*m));
- memset(m, 0, sizeof(*m));
- return m;
-}
-
-// Populate a 'struct move' with a velocity trapezoid
-void __visible
-move_fill(struct move *m, double print_time
- , double accel_t, double cruise_t, double decel_t
- , double start_pos_x, double start_pos_y, double start_pos_z
- , double axes_d_x, double axes_d_y, double axes_d_z
- , double start_v, double cruise_v, double accel)
-{
- // Setup velocity trapezoid
- m->print_time = print_time;
- m->move_t = accel_t + cruise_t + decel_t;
- m->accel_t = accel_t;
- m->cruise_t = cruise_t;
- m->cruise_start_d = accel_t * .5 * (cruise_v + start_v);
- m->decel_start_d = m->cruise_start_d + cruise_t * cruise_v;
-
- // Setup for accel/cruise/decel phases
- m->cruise_v = cruise_v;
- m->accel.c1 = start_v;
- m->accel.c2 = .5 * accel;
- m->decel.c1 = cruise_v;
- m->decel.c2 = -m->accel.c2;
-
- // Setup for move_get_coord()
- m->start_pos.x = start_pos_x;
- m->start_pos.y = start_pos_y;
- m->start_pos.z = start_pos_z;
- double inv_move_d = 1. / sqrt(axes_d_x*axes_d_x + axes_d_y*axes_d_y
- + axes_d_z*axes_d_z);
- m->axes_r.x = axes_d_x * inv_move_d;
- m->axes_r.y = axes_d_y * inv_move_d;
- m->axes_r.z = axes_d_z * inv_move_d;
-}
-
-// Find the distance travel during acceleration/deceleration
-static inline double
-move_eval_accel(struct move_accel *ma, double move_time)
-{
- return (ma->c1 + ma->c2 * move_time) * move_time;
-}
-
-// Return the distance moved given a time in a move
-inline double
-move_get_distance(struct move *m, double move_time)
-{
- if (unlikely(move_time < m->accel_t))
- // Acceleration phase of move
- return move_eval_accel(&m->accel, move_time);
- move_time -= m->accel_t;
- if (likely(move_time <= m->cruise_t))
- // Cruising phase
- return m->cruise_start_d + m->cruise_v * move_time;
- // Deceleration phase
- move_time -= m->cruise_t;
- return m->decel_start_d + move_eval_accel(&m->decel, move_time);
-}
-
-// Return the XYZ coordinates given a time in a move
-inline struct coord
-move_get_coord(struct move *m, double move_time)
-{
- double move_dist = move_get_distance(m, move_time);
- return (struct coord) {
- .x = m->start_pos.x + m->axes_r.x * move_dist,
- .y = m->start_pos.y + m->axes_r.y * move_dist,
- .z = m->start_pos.z + m->axes_r.z * move_dist };
-}
-
-
-/****************************************************************
- * Iterative solver
- ****************************************************************/
+#include "trapq.h" // struct move
struct timepos {
double time, position;