71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
#include "dda_kinematics.h"
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/** \file G-code axis system to stepper motor axis system conversion.
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*/
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#include <stdlib.h>
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#include "dda_maths.h"
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void
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carthesian_to_carthesian(const TARGET *startpoint, const TARGET *target,
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axes_uint32_t delta_um, axes_int32_t steps) {
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enum axis_e i;
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for (i = X; i < E; i++) {
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delta_um[i] = (uint32_t)labs(target->axis[i] - startpoint->axis[i]);
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steps[i] = um_to_steps(target->axis[i], i);
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}
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/* Replacing the above five lines with this costs about 200 bytes binary
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size on AVR, but also takes about 120 clock cycles less during movement
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preparation. The smaller version was kept for our Arduino Nano friends.
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delta_um[X] = (uint32_t)labs(target->axis[X] - startpoint->axis[X]);
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steps[X] = um_to_steps(target->axis[X], X);
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delta_um[Y] = (uint32_t)labs(target->axis[Y] - startpoint->axis[Y]);
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steps[Y] = um_to_steps(target->axis[Y], Y);
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delta_um[Z] = (uint32_t)labs(target->axis[Z] - startpoint->axis[Z]);
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steps[Z] = um_to_steps(target->axis[Z], Z);
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*/
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}
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void
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carthesian_to_corexy(const TARGET *startpoint, const TARGET *target,
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axes_uint32_t delta_um, axes_int32_t steps) {
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delta_um[X] = (uint32_t)labs((target->axis[X] - startpoint->axis[X]) +
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(target->axis[Y] - startpoint->axis[Y]));
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delta_um[Y] = (uint32_t)labs((target->axis[X] - startpoint->axis[X]) -
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(target->axis[Y] - startpoint->axis[Y]));
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delta_um[Z] = (uint32_t)labs(target->axis[Z] - startpoint->axis[Z]);
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axes_um_to_steps_corexy(target->axis, steps);
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}
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void axes_um_to_steps_cartesian(const axes_int32_t um, axes_int32_t steps) {
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enum axis_e i;
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for (i = X; i < E; i++) {
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steps[i] = um_to_steps(um[i], i);
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}
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}
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void axes_um_to_steps_corexy(const axes_int32_t um, axes_int32_t steps) {
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steps[X] = um_to_steps(um[X] + um[Y], X);
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steps[Y] = um_to_steps(um[X] - um[Y], Y);
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steps[Z] = um_to_steps(um[Z], Z);
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}
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void delta_to_axes_cartesian(axes_int32_t delta) {
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// nothing to do for cartesian
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}
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void delta_to_axes_corexy(axes_int32_t delta) {
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// recalculate only dedicated axes
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int32_t x_axis, y_axis;
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x_axis = (delta[X] + delta[Y]) / 2;
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y_axis = (delta[X] - delta[Y]) / 2;
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delta[X] = x_axis;
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delta[Y] = y_axis;
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}
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