diff options
Diffstat (limited to 'klippy/chelper/itersolve.c')
-rw-r--r-- | klippy/chelper/itersolve.c | 92 |
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; |