Commit | Line | Data |
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df27a6a3 | 1 | /* |
aab6cbba | 2 | This file is part of Smoothie (http://smoothieware.org/). The motion control part is heavily based on Grbl (https://github.com/simen/grbl) with additions from Sungeun K. Jeon (https://github.com/chamnit/grbl) |
4cff3ded AW |
3 | Smoothie is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. |
4 | Smoothie is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. | |
df27a6a3 | 5 | You should have received a copy of the GNU General Public License along with Smoothie. If not, see <http://www.gnu.org/licenses/>. |
4cff3ded AW |
6 | */ |
7 | ||
8 | #include "libs/Module.h" | |
9 | #include "libs/Kernel.h" | |
5673fe39 MM |
10 | |
11 | #include <math.h> | |
4cff3ded AW |
12 | #include <string> |
13 | using std::string; | |
5673fe39 | 14 | |
4cff3ded | 15 | #include "Planner.h" |
3fceb8eb | 16 | #include "Conveyor.h" |
4cff3ded | 17 | #include "Robot.h" |
5673fe39 MM |
18 | #include "nuts_bolts.h" |
19 | #include "Pin.h" | |
20 | #include "StepperMotor.h" | |
21 | #include "Gcode.h" | |
5647f709 | 22 | #include "PublicDataRequest.h" |
66383b80 | 23 | #include "RobotPublicAccess.h" |
4cff3ded AW |
24 | #include "arm_solutions/BaseSolution.h" |
25 | #include "arm_solutions/CartesianSolution.h" | |
c41d6d95 | 26 | #include "arm_solutions/RotatableCartesianSolution.h" |
2a06c415 | 27 | #include "arm_solutions/LinearDeltaSolution.h" |
bdaaa75d | 28 | #include "arm_solutions/HBotSolution.h" |
61134a65 | 29 | #include "StepTicker.h" |
7af0714f JM |
30 | #include "checksumm.h" |
31 | #include "utils.h" | |
8d54c34c | 32 | #include "ConfigValue.h" |
5966b7d0 | 33 | #include "libs/StreamOutput.h" |
4cff3ded | 34 | |
38bf9a1c | 35 | |
78d0e16a MM |
36 | #define default_seek_rate_checksum CHECKSUM("default_seek_rate") |
37 | #define default_feed_rate_checksum CHECKSUM("default_feed_rate") | |
38 | #define mm_per_line_segment_checksum CHECKSUM("mm_per_line_segment") | |
39 | #define delta_segments_per_second_checksum CHECKSUM("delta_segments_per_second") | |
40 | #define mm_per_arc_segment_checksum CHECKSUM("mm_per_arc_segment") | |
41 | #define arc_correction_checksum CHECKSUM("arc_correction") | |
42 | #define x_axis_max_speed_checksum CHECKSUM("x_axis_max_speed") | |
43 | #define y_axis_max_speed_checksum CHECKSUM("y_axis_max_speed") | |
44 | #define z_axis_max_speed_checksum CHECKSUM("z_axis_max_speed") | |
43424972 JM |
45 | |
46 | // arm solutions | |
78d0e16a MM |
47 | #define arm_solution_checksum CHECKSUM("arm_solution") |
48 | #define cartesian_checksum CHECKSUM("cartesian") | |
49 | #define rotatable_cartesian_checksum CHECKSUM("rotatable_cartesian") | |
50 | #define rostock_checksum CHECKSUM("rostock") | |
2a06c415 | 51 | #define linear_delta_checksum CHECKSUM("linear_delta") |
78d0e16a MM |
52 | #define delta_checksum CHECKSUM("delta") |
53 | #define hbot_checksum CHECKSUM("hbot") | |
54 | #define corexy_checksum CHECKSUM("corexy") | |
55 | #define kossel_checksum CHECKSUM("kossel") | |
56 | ||
57 | // stepper motor stuff | |
58 | #define alpha_step_pin_checksum CHECKSUM("alpha_step_pin") | |
59 | #define beta_step_pin_checksum CHECKSUM("beta_step_pin") | |
60 | #define gamma_step_pin_checksum CHECKSUM("gamma_step_pin") | |
61 | #define alpha_dir_pin_checksum CHECKSUM("alpha_dir_pin") | |
62 | #define beta_dir_pin_checksum CHECKSUM("beta_dir_pin") | |
63 | #define gamma_dir_pin_checksum CHECKSUM("gamma_dir_pin") | |
64 | #define alpha_en_pin_checksum CHECKSUM("alpha_en_pin") | |
65 | #define beta_en_pin_checksum CHECKSUM("beta_en_pin") | |
66 | #define gamma_en_pin_checksum CHECKSUM("gamma_en_pin") | |
a84f0186 | 67 | |
78d0e16a MM |
68 | #define alpha_steps_per_mm_checksum CHECKSUM("alpha_steps_per_mm") |
69 | #define beta_steps_per_mm_checksum CHECKSUM("beta_steps_per_mm") | |
70 | #define gamma_steps_per_mm_checksum CHECKSUM("gamma_steps_per_mm") | |
71 | ||
df6a30f2 MM |
72 | #define alpha_max_rate_checksum CHECKSUM("alpha_max_rate") |
73 | #define beta_max_rate_checksum CHECKSUM("beta_max_rate") | |
74 | #define gamma_max_rate_checksum CHECKSUM("gamma_max_rate") | |
75 | ||
76 | ||
78d0e16a MM |
77 | // new-style actuator stuff |
78 | #define actuator_checksum CHEKCSUM("actuator") | |
79 | ||
80 | #define step_pin_checksum CHECKSUM("step_pin") | |
81 | #define dir_pin_checksum CHEKCSUM("dir_pin") | |
82 | #define en_pin_checksum CHECKSUM("en_pin") | |
83 | ||
84 | #define steps_per_mm_checksum CHECKSUM("steps_per_mm") | |
df6a30f2 | 85 | #define max_rate_checksum CHECKSUM("max_rate") |
78d0e16a MM |
86 | |
87 | #define alpha_checksum CHECKSUM("alpha") | |
88 | #define beta_checksum CHECKSUM("beta") | |
89 | #define gamma_checksum CHECKSUM("gamma") | |
90 | ||
43424972 | 91 | |
38bf9a1c JM |
92 | #define NEXT_ACTION_DEFAULT 0 |
93 | #define NEXT_ACTION_DWELL 1 | |
94 | #define NEXT_ACTION_GO_HOME 2 | |
95 | ||
96 | #define MOTION_MODE_SEEK 0 // G0 | |
97 | #define MOTION_MODE_LINEAR 1 // G1 | |
98 | #define MOTION_MODE_CW_ARC 2 // G2 | |
99 | #define MOTION_MODE_CCW_ARC 3 // G3 | |
100 | #define MOTION_MODE_CANCEL 4 // G80 | |
101 | ||
102 | #define PATH_CONTROL_MODE_EXACT_PATH 0 | |
103 | #define PATH_CONTROL_MODE_EXACT_STOP 1 | |
104 | #define PATH_CONTROL_MODE_CONTINOUS 2 | |
105 | ||
106 | #define PROGRAM_FLOW_RUNNING 0 | |
107 | #define PROGRAM_FLOW_PAUSED 1 | |
108 | #define PROGRAM_FLOW_COMPLETED 2 | |
109 | ||
110 | #define SPINDLE_DIRECTION_CW 0 | |
111 | #define SPINDLE_DIRECTION_CCW 1 | |
112 | ||
edac9072 AW |
113 | // The Robot converts GCodes into actual movements, and then adds them to the Planner, which passes them to the Conveyor so they can be added to the queue |
114 | // It takes care of cutting arcs into segments, same thing for line that are too long | |
41fd89e0 | 115 | #define max(a,b) (((a) > (b)) ? (a) : (b)) |
edac9072 | 116 | |
4710532a JM |
117 | Robot::Robot() |
118 | { | |
a1b7e9f0 | 119 | this->inch_mode = false; |
0e8b102e | 120 | this->absolute_mode = true; |
df27a6a3 | 121 | this->motion_mode = MOTION_MODE_SEEK; |
4cff3ded | 122 | this->select_plane(X_AXIS, Y_AXIS, Z_AXIS); |
df27a6a3 | 123 | clear_vector(this->last_milestone); |
0b804a41 | 124 | this->arm_solution = NULL; |
da947c62 | 125 | seconds_per_minute = 60.0F; |
fae93525 | 126 | this->clearToolOffset(); |
4cff3ded AW |
127 | } |
128 | ||
129 | //Called when the module has just been loaded | |
4710532a JM |
130 | void Robot::on_module_loaded() |
131 | { | |
476dcb96 | 132 | register_for_event(ON_CONFIG_RELOAD); |
4cff3ded | 133 | this->register_for_event(ON_GCODE_RECEIVED); |
b55cfff1 JM |
134 | this->register_for_event(ON_GET_PUBLIC_DATA); |
135 | this->register_for_event(ON_SET_PUBLIC_DATA); | |
4cff3ded AW |
136 | |
137 | // Configuration | |
da24d6ae AW |
138 | this->on_config_reload(this); |
139 | } | |
140 | ||
4710532a JM |
141 | void Robot::on_config_reload(void *argument) |
142 | { | |
5984acdf | 143 | |
edac9072 AW |
144 | // Arm solutions are used to convert positions in millimeters into position in steps for each stepper motor. |
145 | // While for a cartesian arm solution, this is a simple multiplication, in other, less simple cases, there is some serious math to be done. | |
146 | // To make adding those solution easier, they have their own, separate object. | |
5984acdf | 147 | // Here we read the config to find out which arm solution to use |
0b804a41 | 148 | if (this->arm_solution) delete this->arm_solution; |
314ab8f7 | 149 | int solution_checksum = get_checksum(THEKERNEL->config->value(arm_solution_checksum)->by_default("cartesian")->as_string()); |
d149c730 | 150 | // Note checksums are not const expressions when in debug mode, so don't use switch |
98761c28 | 151 | if(solution_checksum == hbot_checksum || solution_checksum == corexy_checksum) { |
314ab8f7 | 152 | this->arm_solution = new HBotSolution(THEKERNEL->config); |
bdaaa75d | 153 | |
2a06c415 JM |
154 | } else if(solution_checksum == rostock_checksum || solution_checksum == kossel_checksum || solution_checksum == delta_checksum || solution_checksum == linear_delta_checksum) { |
155 | this->arm_solution = new LinearDeltaSolution(THEKERNEL->config); | |
73a4e3c0 | 156 | |
4710532a | 157 | } else if(solution_checksum == rotatable_cartesian_checksum) { |
314ab8f7 | 158 | this->arm_solution = new RotatableCartesianSolution(THEKERNEL->config); |
b73a756d | 159 | |
4710532a | 160 | } else if(solution_checksum == cartesian_checksum) { |
314ab8f7 | 161 | this->arm_solution = new CartesianSolution(THEKERNEL->config); |
73a4e3c0 | 162 | |
4710532a | 163 | } else { |
314ab8f7 | 164 | this->arm_solution = new CartesianSolution(THEKERNEL->config); |
d149c730 | 165 | } |
73a4e3c0 | 166 | |
0b804a41 | 167 | |
da947c62 MM |
168 | this->feed_rate = THEKERNEL->config->value(default_feed_rate_checksum )->by_default( 100.0F)->as_number(); |
169 | this->seek_rate = THEKERNEL->config->value(default_seek_rate_checksum )->by_default( 100.0F)->as_number(); | |
170 | this->mm_per_line_segment = THEKERNEL->config->value(mm_per_line_segment_checksum )->by_default( 0.0F)->as_number(); | |
1ad23cd3 | 171 | this->delta_segments_per_second = THEKERNEL->config->value(delta_segments_per_second_checksum )->by_default(0.0f )->as_number(); |
da947c62 MM |
172 | this->mm_per_arc_segment = THEKERNEL->config->value(mm_per_arc_segment_checksum )->by_default( 0.5f)->as_number(); |
173 | this->arc_correction = THEKERNEL->config->value(arc_correction_checksum )->by_default( 5 )->as_number(); | |
78d0e16a | 174 | |
c9ed779d MM |
175 | this->max_speeds[X_AXIS] = THEKERNEL->config->value(x_axis_max_speed_checksum )->by_default(60000.0F)->as_number() / 60.0F; |
176 | this->max_speeds[Y_AXIS] = THEKERNEL->config->value(y_axis_max_speed_checksum )->by_default(60000.0F)->as_number() / 60.0F; | |
177 | this->max_speeds[Z_AXIS] = THEKERNEL->config->value(z_axis_max_speed_checksum )->by_default( 300.0F)->as_number() / 60.0F; | |
feb204be | 178 | |
78d0e16a MM |
179 | Pin alpha_step_pin; |
180 | Pin alpha_dir_pin; | |
181 | Pin alpha_en_pin; | |
182 | Pin beta_step_pin; | |
183 | Pin beta_dir_pin; | |
184 | Pin beta_en_pin; | |
185 | Pin gamma_step_pin; | |
186 | Pin gamma_dir_pin; | |
187 | Pin gamma_en_pin; | |
188 | ||
189 | alpha_step_pin.from_string( THEKERNEL->config->value(alpha_step_pin_checksum )->by_default("2.0" )->as_string())->as_output(); | |
190 | alpha_dir_pin.from_string( THEKERNEL->config->value(alpha_dir_pin_checksum )->by_default("0.5" )->as_string())->as_output(); | |
191 | alpha_en_pin.from_string( THEKERNEL->config->value(alpha_en_pin_checksum )->by_default("0.4" )->as_string())->as_output(); | |
192 | beta_step_pin.from_string( THEKERNEL->config->value(beta_step_pin_checksum )->by_default("2.1" )->as_string())->as_output(); | |
9c5fa39a MM |
193 | beta_dir_pin.from_string( THEKERNEL->config->value(beta_dir_pin_checksum )->by_default("0.11" )->as_string())->as_output(); |
194 | beta_en_pin.from_string( THEKERNEL->config->value(beta_en_pin_checksum )->by_default("0.10" )->as_string())->as_output(); | |
78d0e16a MM |
195 | gamma_step_pin.from_string( THEKERNEL->config->value(gamma_step_pin_checksum )->by_default("2.2" )->as_string())->as_output(); |
196 | gamma_dir_pin.from_string( THEKERNEL->config->value(gamma_dir_pin_checksum )->by_default("0.20" )->as_string())->as_output(); | |
197 | gamma_en_pin.from_string( THEKERNEL->config->value(gamma_en_pin_checksum )->by_default("0.19" )->as_string())->as_output(); | |
78d0e16a | 198 | |
a84f0186 MM |
199 | float steps_per_mm[3] = { |
200 | THEKERNEL->config->value(alpha_steps_per_mm_checksum)->by_default( 80.0F)->as_number(), | |
201 | THEKERNEL->config->value(beta_steps_per_mm_checksum )->by_default( 80.0F)->as_number(), | |
202 | THEKERNEL->config->value(gamma_steps_per_mm_checksum)->by_default(2560.0F)->as_number(), | |
203 | }; | |
204 | ||
78d0e16a MM |
205 | // TODO: delete or detect old steppermotors |
206 | // Make our 3 StepperMotors | |
9c5fa39a MM |
207 | this->alpha_stepper_motor = THEKERNEL->step_ticker->add_stepper_motor( new StepperMotor(alpha_step_pin, alpha_dir_pin, alpha_en_pin) ); |
208 | this->beta_stepper_motor = THEKERNEL->step_ticker->add_stepper_motor( new StepperMotor(beta_step_pin, beta_dir_pin, beta_en_pin ) ); | |
209 | this->gamma_stepper_motor = THEKERNEL->step_ticker->add_stepper_motor( new StepperMotor(gamma_step_pin, gamma_dir_pin, gamma_en_pin) ); | |
78d0e16a | 210 | |
a84f0186 MM |
211 | alpha_stepper_motor->change_steps_per_mm(steps_per_mm[0]); |
212 | beta_stepper_motor->change_steps_per_mm(steps_per_mm[1]); | |
213 | gamma_stepper_motor->change_steps_per_mm(steps_per_mm[2]); | |
214 | ||
df6a30f2 MM |
215 | alpha_stepper_motor->max_rate = THEKERNEL->config->value(alpha_max_rate_checksum)->by_default(30000.0F)->as_number() / 60.0F; |
216 | beta_stepper_motor->max_rate = THEKERNEL->config->value(beta_max_rate_checksum )->by_default(30000.0F)->as_number() / 60.0F; | |
217 | gamma_stepper_motor->max_rate = THEKERNEL->config->value(gamma_max_rate_checksum)->by_default(30000.0F)->as_number() / 60.0F; | |
218 | ||
78d0e16a MM |
219 | actuators.clear(); |
220 | actuators.push_back(alpha_stepper_motor); | |
221 | actuators.push_back(beta_stepper_motor); | |
222 | actuators.push_back(gamma_stepper_motor); | |
975469ad MM |
223 | |
224 | // initialise actuator positions to current cartesian position (X0 Y0 Z0) | |
225 | // so the first move can be correct if homing is not performed | |
226 | float actuator_pos[3]; | |
227 | arm_solution->cartesian_to_actuator(last_milestone, actuator_pos); | |
228 | for (int i = 0; i < 3; i++) | |
229 | actuators[i]->change_last_milestone(actuator_pos[i]); | |
5966b7d0 AT |
230 | |
231 | //this->clearToolOffset(); | |
4cff3ded AW |
232 | } |
233 | ||
4710532a JM |
234 | void Robot::on_get_public_data(void *argument) |
235 | { | |
236 | PublicDataRequest *pdr = static_cast<PublicDataRequest *>(argument); | |
b55cfff1 JM |
237 | |
238 | if(!pdr->starts_with(robot_checksum)) return; | |
239 | ||
240 | if(pdr->second_element_is(speed_override_percent_checksum)) { | |
1ad23cd3 | 241 | static float return_data; |
da947c62 | 242 | return_data = 100.0F * 60.0F / seconds_per_minute; |
b55cfff1 JM |
243 | pdr->set_data_ptr(&return_data); |
244 | pdr->set_taken(); | |
98761c28 | 245 | |
4710532a | 246 | } else if(pdr->second_element_is(current_position_checksum)) { |
1ad23cd3 | 247 | static float return_data[3]; |
4710532a JM |
248 | return_data[0] = from_millimeters(this->last_milestone[0]); |
249 | return_data[1] = from_millimeters(this->last_milestone[1]); | |
250 | return_data[2] = from_millimeters(this->last_milestone[2]); | |
b55cfff1 JM |
251 | |
252 | pdr->set_data_ptr(&return_data); | |
98761c28 | 253 | pdr->set_taken(); |
b55cfff1 | 254 | } |
5647f709 JM |
255 | } |
256 | ||
4710532a JM |
257 | void Robot::on_set_public_data(void *argument) |
258 | { | |
259 | PublicDataRequest *pdr = static_cast<PublicDataRequest *>(argument); | |
5647f709 | 260 | |
b55cfff1 | 261 | if(!pdr->starts_with(robot_checksum)) return; |
5647f709 | 262 | |
b55cfff1 | 263 | if(pdr->second_element_is(speed_override_percent_checksum)) { |
7a522ccc | 264 | // NOTE do not use this while printing! |
4710532a | 265 | float t = *static_cast<float *>(pdr->get_data_ptr()); |
98761c28 | 266 | // enforce minimum 10% speed |
4710532a | 267 | if (t < 10.0F) t = 10.0F; |
98761c28 | 268 | |
da947c62 | 269 | this->seconds_per_minute = t / 0.6F; // t * 60 / 100 |
b55cfff1 | 270 | pdr->set_taken(); |
4710532a JM |
271 | } else if(pdr->second_element_is(current_position_checksum)) { |
272 | float *t = static_cast<float *>(pdr->get_data_ptr()); | |
273 | for (int i = 0; i < 3; i++) { | |
8adf2390 L |
274 | this->last_milestone[i] = this->to_millimeters(t[i]); |
275 | } | |
276 | ||
277 | float actuator_pos[3]; | |
278 | arm_solution->cartesian_to_actuator(last_milestone, actuator_pos); | |
279 | for (int i = 0; i < 3; i++) | |
280 | actuators[i]->change_last_milestone(actuator_pos[i]); | |
281 | ||
282 | pdr->set_taken(); | |
283 | } | |
5647f709 JM |
284 | } |
285 | ||
4cff3ded | 286 | //A GCode has been received |
edac9072 | 287 | //See if the current Gcode line has some orders for us |
4710532a JM |
288 | void Robot::on_gcode_received(void *argument) |
289 | { | |
290 | Gcode *gcode = static_cast<Gcode *>(argument); | |
6bc4a00a | 291 | |
23c90ba6 | 292 | this->motion_mode = -1; |
4cff3ded | 293 | |
4710532a JM |
294 | //G-letter Gcodes are mostly what the Robot module is interrested in, other modules also catch the gcode event and do stuff accordingly |
295 | if( gcode->has_g) { | |
296 | switch( gcode->g ) { | |
74b6303c DD |
297 | case 0: this->motion_mode = MOTION_MODE_SEEK; gcode->mark_as_taken(); break; |
298 | case 1: this->motion_mode = MOTION_MODE_LINEAR; gcode->mark_as_taken(); break; | |
299 | case 2: this->motion_mode = MOTION_MODE_CW_ARC; gcode->mark_as_taken(); break; | |
300 | case 3: this->motion_mode = MOTION_MODE_CCW_ARC; gcode->mark_as_taken(); break; | |
301 | case 17: this->select_plane(X_AXIS, Y_AXIS, Z_AXIS); gcode->mark_as_taken(); break; | |
302 | case 18: this->select_plane(X_AXIS, Z_AXIS, Y_AXIS); gcode->mark_as_taken(); break; | |
303 | case 19: this->select_plane(Y_AXIS, Z_AXIS, X_AXIS); gcode->mark_as_taken(); break; | |
304 | case 20: this->inch_mode = true; gcode->mark_as_taken(); break; | |
305 | case 21: this->inch_mode = false; gcode->mark_as_taken(); break; | |
306 | case 90: this->absolute_mode = true; gcode->mark_as_taken(); break; | |
307 | case 91: this->absolute_mode = false; gcode->mark_as_taken(); break; | |
0b804a41 | 308 | case 92: { |
4710532a | 309 | if(gcode->get_num_args() == 0) { |
8a23b271 | 310 | clear_vector(this->last_milestone); |
4710532a JM |
311 | } else { |
312 | for (char letter = 'X'; letter <= 'Z'; letter++) { | |
eaf8a8a8 | 313 | if ( gcode->has_letter(letter) ) |
4710532a | 314 | this->last_milestone[letter - 'X'] = this->to_millimeters(gcode->get_value(letter)); |
eaf8a8a8 | 315 | } |
6bc4a00a | 316 | } |
78d0e16a MM |
317 | |
318 | // TODO: handle any number of actuators | |
319 | float actuator_pos[3]; | |
2ba859c9 | 320 | arm_solution->cartesian_to_actuator(last_milestone, actuator_pos); |
78d0e16a MM |
321 | |
322 | for (int i = 0; i < 3; i++) | |
323 | actuators[i]->change_last_milestone(actuator_pos[i]); | |
324 | ||
74b6303c | 325 | gcode->mark_as_taken(); |
78d0e16a | 326 | return; |
4710532a JM |
327 | } |
328 | } | |
329 | } else if( gcode->has_m) { | |
330 | switch( gcode->m ) { | |
0fb5b438 | 331 | case 92: // M92 - set steps per mm |
0fb5b438 | 332 | if (gcode->has_letter('X')) |
78d0e16a | 333 | actuators[0]->change_steps_per_mm(this->to_millimeters(gcode->get_value('X'))); |
0fb5b438 | 334 | if (gcode->has_letter('Y')) |
78d0e16a | 335 | actuators[1]->change_steps_per_mm(this->to_millimeters(gcode->get_value('Y'))); |
0fb5b438 | 336 | if (gcode->has_letter('Z')) |
78d0e16a | 337 | actuators[2]->change_steps_per_mm(this->to_millimeters(gcode->get_value('Z'))); |
7369629d MM |
338 | if (gcode->has_letter('F')) |
339 | seconds_per_minute = gcode->get_value('F'); | |
78d0e16a MM |
340 | |
341 | gcode->stream->printf("X:%g Y:%g Z:%g F:%g ", actuators[0]->steps_per_mm, actuators[1]->steps_per_mm, actuators[2]->steps_per_mm, seconds_per_minute); | |
0fb5b438 | 342 | gcode->add_nl = true; |
74b6303c | 343 | gcode->mark_as_taken(); |
0fb5b438 | 344 | return; |
4710532a JM |
345 | case 114: { |
346 | char buf[32]; | |
347 | int n = snprintf(buf, sizeof(buf), "C: X:%1.3f Y:%1.3f Z:%1.3f", | |
348 | from_millimeters(this->last_milestone[0]), | |
349 | from_millimeters(this->last_milestone[1]), | |
350 | from_millimeters(this->last_milestone[2])); | |
351 | gcode->txt_after_ok.append(buf, n); | |
352 | gcode->mark_as_taken(); | |
353 | } | |
354 | return; | |
33e4cc02 | 355 | |
83488642 JM |
356 | case 203: // M203 Set maximum feedrates in mm/sec |
357 | if (gcode->has_letter('X')) | |
4710532a | 358 | this->max_speeds[X_AXIS] = gcode->get_value('X'); |
83488642 | 359 | if (gcode->has_letter('Y')) |
4710532a | 360 | this->max_speeds[Y_AXIS] = gcode->get_value('Y'); |
83488642 | 361 | if (gcode->has_letter('Z')) |
4710532a | 362 | this->max_speeds[Z_AXIS] = gcode->get_value('Z'); |
83488642 | 363 | if (gcode->has_letter('A')) |
4710532a | 364 | alpha_stepper_motor->max_rate = gcode->get_value('A'); |
83488642 | 365 | if (gcode->has_letter('B')) |
4710532a | 366 | beta_stepper_motor->max_rate = gcode->get_value('B'); |
83488642 | 367 | if (gcode->has_letter('C')) |
4710532a | 368 | gamma_stepper_motor->max_rate = gcode->get_value('C'); |
83488642 JM |
369 | |
370 | gcode->stream->printf("X:%g Y:%g Z:%g A:%g B:%g C:%g ", | |
4710532a JM |
371 | this->max_speeds[X_AXIS], this->max_speeds[Y_AXIS], this->max_speeds[Z_AXIS], |
372 | alpha_stepper_motor->max_rate, beta_stepper_motor->max_rate, gamma_stepper_motor->max_rate); | |
83488642 JM |
373 | gcode->add_nl = true; |
374 | gcode->mark_as_taken(); | |
375 | break; | |
376 | ||
d4ee6ee2 JM |
377 | case 204: // M204 Snnn - set acceleration to nnn, NB only Snnn is currently supported |
378 | gcode->mark_as_taken(); | |
83488642 | 379 | |
4710532a | 380 | if (gcode->has_letter('S')) { |
83488642 JM |
381 | // TODO for safety so it applies only to following gcodes, maybe a better way to do this? |
382 | THEKERNEL->conveyor->wait_for_empty_queue(); | |
4710532a | 383 | float acc = gcode->get_value('S'); // mm/s^2 |
d4ee6ee2 | 384 | // enforce minimum |
da947c62 MM |
385 | if (acc < 1.0F) |
386 | acc = 1.0F; | |
4710532a | 387 | THEKERNEL->planner->acceleration = acc; |
d4ee6ee2 JM |
388 | } |
389 | break; | |
390 | ||
8b69c90d | 391 | case 205: // M205 Xnnn - set junction deviation Snnn - Set minimum planner speed |
d4ee6ee2 | 392 | gcode->mark_as_taken(); |
4710532a JM |
393 | if (gcode->has_letter('X')) { |
394 | float jd = gcode->get_value('X'); | |
d4ee6ee2 | 395 | // enforce minimum |
8b69c90d JM |
396 | if (jd < 0.0F) |
397 | jd = 0.0F; | |
4710532a | 398 | THEKERNEL->planner->junction_deviation = jd; |
d4ee6ee2 | 399 | } |
4710532a JM |
400 | if (gcode->has_letter('S')) { |
401 | float mps = gcode->get_value('S'); | |
8b69c90d JM |
402 | // enforce minimum |
403 | if (mps < 0.0F) | |
404 | mps = 0.0F; | |
4710532a | 405 | THEKERNEL->planner->minimum_planner_speed = mps; |
8b69c90d | 406 | } |
d4ee6ee2 | 407 | break; |
98761c28 | 408 | |
7369629d | 409 | case 220: // M220 - speed override percentage |
74b6303c | 410 | gcode->mark_as_taken(); |
4710532a | 411 | if (gcode->has_letter('S')) { |
1ad23cd3 | 412 | float factor = gcode->get_value('S'); |
98761c28 | 413 | // enforce minimum 10% speed |
da947c62 MM |
414 | if (factor < 10.0F) |
415 | factor = 10.0F; | |
416 | // enforce maximum 10x speed | |
417 | if (factor > 1000.0F) | |
418 | factor = 1000.0F; | |
419 | ||
420 | seconds_per_minute = 6000.0F / factor; | |
7369629d | 421 | } |
b4f56013 | 422 | break; |
ec4773e5 | 423 | |
494dc541 JM |
424 | case 400: // wait until all moves are done up to this point |
425 | gcode->mark_as_taken(); | |
314ab8f7 | 426 | THEKERNEL->conveyor->wait_for_empty_queue(); |
494dc541 JM |
427 | break; |
428 | ||
33e4cc02 | 429 | case 500: // M500 saves some volatile settings to config override file |
b7cd847e | 430 | case 503: { // M503 just prints the settings |
78d0e16a | 431 | gcode->stream->printf(";Steps per unit:\nM92 X%1.5f Y%1.5f Z%1.5f\n", actuators[0]->steps_per_mm, actuators[1]->steps_per_mm, actuators[2]->steps_per_mm); |
da947c62 | 432 | gcode->stream->printf(";Acceleration mm/sec^2:\nM204 S%1.5f\n", THEKERNEL->planner->acceleration); |
8b69c90d | 433 | gcode->stream->printf(";X- Junction Deviation, S - Minimum Planner speed:\nM205 X%1.5f S%1.5f\n", THEKERNEL->planner->junction_deviation, THEKERNEL->planner->minimum_planner_speed); |
83488642 | 434 | gcode->stream->printf(";Max feedrates in mm/sec, XYZ cartesian, ABC actuator:\nM203 X%1.5f Y%1.5f Z%1.5f A%1.5f B%1.5f C%1.5f\n", |
4710532a JM |
435 | this->max_speeds[X_AXIS], this->max_speeds[Y_AXIS], this->max_speeds[Z_AXIS], |
436 | alpha_stepper_motor->max_rate, beta_stepper_motor->max_rate, gamma_stepper_motor->max_rate); | |
b7cd847e JM |
437 | |
438 | // get or save any arm solution specific optional values | |
439 | BaseSolution::arm_options_t options; | |
440 | if(arm_solution->get_optional(options) && !options.empty()) { | |
441 | gcode->stream->printf(";Optional arm solution specific settings:\nM665"); | |
4710532a | 442 | for(auto &i : options) { |
b7cd847e JM |
443 | gcode->stream->printf(" %c%1.4f", i.first, i.second); |
444 | } | |
445 | gcode->stream->printf("\n"); | |
446 | } | |
33e4cc02 JM |
447 | gcode->mark_as_taken(); |
448 | break; | |
b7cd847e | 449 | } |
33e4cc02 | 450 | |
b7cd847e | 451 | case 665: { // M665 set optional arm solution variables based on arm solution. |
ec4773e5 | 452 | gcode->mark_as_taken(); |
b7cd847e JM |
453 | // the parameter args could be any letter except S so ask solution what options it supports |
454 | BaseSolution::arm_options_t options; | |
455 | if(arm_solution->get_optional(options)) { | |
4710532a | 456 | for(auto &i : options) { |
b7cd847e | 457 | // foreach optional value |
4710532a | 458 | char c = i.first; |
b7cd847e | 459 | if(gcode->has_letter(c)) { // set new value |
4710532a | 460 | i.second = gcode->get_value(c); |
b7cd847e JM |
461 | } |
462 | // print all current values of supported options | |
463 | gcode->stream->printf("%c: %8.4f ", i.first, i.second); | |
5523c05d | 464 | gcode->add_nl = true; |
ec4773e5 | 465 | } |
b7cd847e JM |
466 | // set the new options |
467 | arm_solution->set_optional(options); | |
ec4773e5 | 468 | } |
ec4773e5 | 469 | |
b7cd847e | 470 | // set delta segments per second, not saved by M500 |
ec29d378 | 471 | if(gcode->has_letter('S')) { |
4710532a | 472 | this->delta_segments_per_second = gcode->get_value('S'); |
ec29d378 | 473 | } |
ec4773e5 | 474 | break; |
b7cd847e | 475 | } |
6989211c | 476 | } |
494dc541 JM |
477 | } |
478 | ||
c83887ea MM |
479 | if( this->motion_mode < 0) |
480 | return; | |
6bc4a00a | 481 | |
4710532a | 482 | //Get parameters |
1ad23cd3 | 483 | float target[3], offset[3]; |
c2885de8 | 484 | clear_vector(offset); |
6bc4a00a | 485 | |
2ba859c9 | 486 | memcpy(target, this->last_milestone, sizeof(target)); //default to last target |
6bc4a00a | 487 | |
4710532a JM |
488 | for(char letter = 'I'; letter <= 'K'; letter++) { |
489 | if( gcode->has_letter(letter) ) { | |
490 | offset[letter - 'I'] = this->to_millimeters(gcode->get_value(letter)); | |
c2885de8 JM |
491 | } |
492 | } | |
4710532a JM |
493 | for(char letter = 'X'; letter <= 'Z'; letter++) { |
494 | if( gcode->has_letter(letter) ) { | |
c7689006 | 495 | target[letter - 'X'] = this->to_millimeters(gcode->get_value(letter)) + (this->absolute_mode ? this->toolOffset[letter - 'X'] : target[letter - 'X']); |
c2885de8 JM |
496 | } |
497 | } | |
6bc4a00a | 498 | |
4710532a | 499 | if( gcode->has_letter('F') ) { |
7369629d | 500 | if( this->motion_mode == MOTION_MODE_SEEK ) |
da947c62 | 501 | this->seek_rate = this->to_millimeters( gcode->get_value('F') ); |
7369629d | 502 | else |
da947c62 | 503 | this->feed_rate = this->to_millimeters( gcode->get_value('F') ); |
7369629d | 504 | } |
6bc4a00a | 505 | |
4cff3ded | 506 | //Perform any physical actions |
fae93525 JM |
507 | switch(this->motion_mode) { |
508 | case MOTION_MODE_CANCEL: break; | |
509 | case MOTION_MODE_SEEK : this->append_line(gcode, target, this->seek_rate / seconds_per_minute ); break; | |
510 | case MOTION_MODE_LINEAR: this->append_line(gcode, target, this->feed_rate / seconds_per_minute ); break; | |
511 | case MOTION_MODE_CW_ARC: | |
512 | case MOTION_MODE_CCW_ARC: this->compute_arc(gcode, offset, target ); break; | |
4cff3ded | 513 | } |
13e4a3f9 | 514 | |
fae93525 | 515 | // last_milestone was set to target in append_milestone, no need to do it again |
4cff3ded | 516 | |
edac9072 AW |
517 | } |
518 | ||
5984acdf | 519 | // We received a new gcode, and one of the functions |
edac9072 AW |
520 | // determined the distance for that given gcode. So now we can attach this gcode to the right block |
521 | // and continue | |
4710532a JM |
522 | void Robot::distance_in_gcode_is_known(Gcode *gcode) |
523 | { | |
edac9072 AW |
524 | |
525 | //If the queue is empty, execute immediatly, otherwise attach to the last added block | |
e0ee24ed | 526 | THEKERNEL->conveyor->append_gcode(gcode); |
edac9072 AW |
527 | } |
528 | ||
529 | // Reset the position for all axes ( used in homing and G92 stuff ) | |
4710532a JM |
530 | void Robot::reset_axis_position(float position, int axis) |
531 | { | |
2ba859c9 | 532 | this->last_milestone[axis] = position; |
29c28822 MM |
533 | |
534 | float actuator_pos[3]; | |
535 | arm_solution->cartesian_to_actuator(last_milestone, actuator_pos); | |
536 | ||
537 | for (int i = 0; i < 3; i++) | |
538 | actuators[i]->change_last_milestone(actuator_pos[i]); | |
4cff3ded AW |
539 | } |
540 | ||
edac9072 | 541 | |
4cff3ded | 542 | // Convert target from millimeters to steps, and append this to the planner |
da947c62 | 543 | void Robot::append_milestone( float target[], float rate_mm_s ) |
df6a30f2 | 544 | { |
1ad23cd3 | 545 | float deltas[3]; |
df6a30f2 MM |
546 | float unit_vec[3]; |
547 | float actuator_pos[3]; | |
548 | float millimeters_of_travel; | |
549 | ||
550 | // find distance moved by each axis | |
551 | for (int axis = X_AXIS; axis <= Z_AXIS; axis++) | |
552 | deltas[axis] = target[axis] - last_milestone[axis]; | |
aab6cbba | 553 | |
edac9072 | 554 | // Compute how long this move moves, so we can attach it to the block for later use |
df6a30f2 MM |
555 | millimeters_of_travel = sqrtf( pow( deltas[X_AXIS], 2 ) + pow( deltas[Y_AXIS], 2 ) + pow( deltas[Z_AXIS], 2 ) ); |
556 | ||
557 | // find distance unit vector | |
558 | for (int i = 0; i < 3; i++) | |
559 | unit_vec[i] = deltas[i] / millimeters_of_travel; | |
560 | ||
561 | // Do not move faster than the configured cartesian limits | |
4710532a JM |
562 | for (int axis = X_AXIS; axis <= Z_AXIS; axis++) { |
563 | if ( max_speeds[axis] > 0 ) { | |
da947c62 | 564 | float axis_speed = fabs(unit_vec[axis] * rate_mm_s); |
df6a30f2 MM |
565 | |
566 | if (axis_speed > max_speeds[axis]) | |
da947c62 | 567 | rate_mm_s *= ( max_speeds[axis] / axis_speed ); |
7b470506 AW |
568 | } |
569 | } | |
4cff3ded | 570 | |
df6a30f2 MM |
571 | // find actuator position given cartesian position |
572 | arm_solution->cartesian_to_actuator( target, actuator_pos ); | |
573 | ||
574 | // check per-actuator speed limits | |
4710532a | 575 | for (int actuator = 0; actuator <= 2; actuator++) { |
da947c62 | 576 | float actuator_rate = fabs(actuator_pos[actuator] - actuators[actuator]->last_milestone_mm) * rate_mm_s / millimeters_of_travel; |
df6a30f2 MM |
577 | |
578 | if (actuator_rate > actuators[actuator]->max_rate) | |
da947c62 | 579 | rate_mm_s *= (actuators[actuator]->max_rate / actuator_rate); |
df6a30f2 MM |
580 | } |
581 | ||
edac9072 | 582 | // Append the block to the planner |
da947c62 | 583 | THEKERNEL->planner->append_block( actuator_pos, rate_mm_s, millimeters_of_travel, unit_vec ); |
4cff3ded | 584 | |
edac9072 | 585 | // Update the last_milestone to the current target for the next time we use last_milestone |
c2885de8 | 586 | memcpy(this->last_milestone, target, sizeof(this->last_milestone)); // this->last_milestone[] = target[]; |
4cff3ded AW |
587 | |
588 | } | |
589 | ||
edac9072 | 590 | // Append a move to the queue ( cutting it into segments if needed ) |
4710532a JM |
591 | void Robot::append_line(Gcode *gcode, float target[], float rate_mm_s ) |
592 | { | |
4cff3ded | 593 | |
edac9072 | 594 | // Find out the distance for this gcode |
4710532a | 595 | gcode->millimeters_of_travel = pow( target[X_AXIS] - this->last_milestone[X_AXIS], 2 ) + pow( target[Y_AXIS] - this->last_milestone[Y_AXIS], 2 ) + pow( target[Z_AXIS] - this->last_milestone[Z_AXIS], 2 ); |
4cff3ded | 596 | |
edac9072 | 597 | // We ignore non-moves ( for example, extruder moves are not XYZ moves ) |
4710532a | 598 | if( gcode->millimeters_of_travel < 1e-8F ) { |
95b4885b JM |
599 | return; |
600 | } | |
436a2cd1 | 601 | |
2ba859c9 MM |
602 | gcode->millimeters_of_travel = sqrtf(gcode->millimeters_of_travel); |
603 | ||
edac9072 | 604 | // Mark the gcode as having a known distance |
5dcb2ff3 | 605 | this->distance_in_gcode_is_known( gcode ); |
436a2cd1 | 606 | |
4a0c8e14 JM |
607 | // We cut the line into smaller segments. This is not usefull in a cartesian robot, but necessary for robots with rotational axes. |
608 | // In cartesian robot, a high "mm_per_line_segment" setting will prevent waste. | |
609 | // In delta robots either mm_per_line_segment can be used OR delta_segments_per_second The latter is more efficient and avoids splitting fast long lines into very small segments, like initial z move to 0, it is what Johanns Marlin delta port does | |
4a0c8e14 | 610 | uint16_t segments; |
5984acdf | 611 | |
c2885de8 | 612 | if(this->delta_segments_per_second > 1.0F) { |
4a0c8e14 JM |
613 | // enabled if set to something > 1, it is set to 0.0 by default |
614 | // segment based on current speed and requested segments per second | |
615 | // the faster the travel speed the fewer segments needed | |
616 | // NOTE rate is mm/sec and we take into account any speed override | |
da947c62 | 617 | float seconds = gcode->millimeters_of_travel / rate_mm_s; |
4710532a | 618 | segments = max(1, ceil(this->delta_segments_per_second * seconds)); |
4a0c8e14 | 619 | // TODO if we are only moving in Z on a delta we don't really need to segment at all |
5984acdf | 620 | |
4710532a JM |
621 | } else { |
622 | if(this->mm_per_line_segment == 0.0F) { | |
623 | segments = 1; // don't split it up | |
624 | } else { | |
625 | segments = ceil( gcode->millimeters_of_travel / this->mm_per_line_segment); | |
4a0c8e14 JM |
626 | } |
627 | } | |
5984acdf | 628 | |
4710532a | 629 | if (segments > 1) { |
2ba859c9 MM |
630 | // A vector to keep track of the endpoint of each segment |
631 | float segment_delta[3]; | |
632 | float segment_end[3]; | |
633 | ||
634 | // How far do we move each segment? | |
9fff6045 | 635 | for (int i = X_AXIS; i <= Z_AXIS; i++) |
2ba859c9 | 636 | segment_delta[i] = (target[i] - last_milestone[i]) / segments; |
4cff3ded | 637 | |
c8e0fb15 MM |
638 | // segment 0 is already done - it's the end point of the previous move so we start at segment 1 |
639 | // We always add another point after this loop so we stop at segments-1, ie i < segments | |
4710532a JM |
640 | for (int i = 1; i < segments; i++) { |
641 | for(int axis = X_AXIS; axis <= Z_AXIS; axis++ ) | |
2ba859c9 MM |
642 | segment_end[axis] = last_milestone[axis] + segment_delta[axis]; |
643 | ||
644 | // Append the end of this segment to the queue | |
645 | this->append_milestone(segment_end, rate_mm_s); | |
646 | } | |
4cff3ded | 647 | } |
5984acdf MM |
648 | |
649 | // Append the end of this full move to the queue | |
da947c62 | 650 | this->append_milestone(target, rate_mm_s); |
2134bcf2 MM |
651 | |
652 | // if adding these blocks didn't start executing, do that now | |
653 | THEKERNEL->conveyor->ensure_running(); | |
4cff3ded AW |
654 | } |
655 | ||
4cff3ded | 656 | |
edac9072 | 657 | // Append an arc to the queue ( cutting it into segments as needed ) |
4710532a JM |
658 | void Robot::append_arc(Gcode *gcode, float target[], float offset[], float radius, bool is_clockwise ) |
659 | { | |
aab6cbba | 660 | |
edac9072 | 661 | // Scary math |
2ba859c9 MM |
662 | float center_axis0 = this->last_milestone[this->plane_axis_0] + offset[this->plane_axis_0]; |
663 | float center_axis1 = this->last_milestone[this->plane_axis_1] + offset[this->plane_axis_1]; | |
664 | float linear_travel = target[this->plane_axis_2] - this->last_milestone[this->plane_axis_2]; | |
1ad23cd3 MM |
665 | float r_axis0 = -offset[this->plane_axis_0]; // Radius vector from center to current location |
666 | float r_axis1 = -offset[this->plane_axis_1]; | |
667 | float rt_axis0 = target[this->plane_axis_0] - center_axis0; | |
668 | float rt_axis1 = target[this->plane_axis_1] - center_axis1; | |
aab6cbba AW |
669 | |
670 | // CCW angle between position and target from circle center. Only one atan2() trig computation required. | |
4710532a JM |
671 | float angular_travel = atan2(r_axis0 * rt_axis1 - r_axis1 * rt_axis0, r_axis0 * rt_axis0 + r_axis1 * rt_axis1); |
672 | if (angular_travel < 0) { | |
673 | angular_travel += 2 * M_PI; | |
674 | } | |
675 | if (is_clockwise) { | |
676 | angular_travel -= 2 * M_PI; | |
677 | } | |
aab6cbba | 678 | |
edac9072 | 679 | // Find the distance for this gcode |
4710532a | 680 | gcode->millimeters_of_travel = hypotf(angular_travel * radius, fabs(linear_travel)); |
436a2cd1 | 681 | |
edac9072 | 682 | // We don't care about non-XYZ moves ( for example the extruder produces some of those ) |
4710532a JM |
683 | if( gcode->millimeters_of_travel < 0.0001F ) { |
684 | return; | |
685 | } | |
5dcb2ff3 | 686 | |
edac9072 | 687 | // Mark the gcode as having a known distance |
d149c730 | 688 | this->distance_in_gcode_is_known( gcode ); |
5984acdf MM |
689 | |
690 | // Figure out how many segments for this gcode | |
4710532a | 691 | uint16_t segments = floor(gcode->millimeters_of_travel / this->mm_per_arc_segment); |
aab6cbba | 692 | |
4710532a JM |
693 | float theta_per_segment = angular_travel / segments; |
694 | float linear_per_segment = linear_travel / segments; | |
aab6cbba AW |
695 | |
696 | /* Vector rotation by transformation matrix: r is the original vector, r_T is the rotated vector, | |
697 | and phi is the angle of rotation. Based on the solution approach by Jens Geisler. | |
698 | r_T = [cos(phi) -sin(phi); | |
699 | sin(phi) cos(phi] * r ; | |
700 | For arc generation, the center of the circle is the axis of rotation and the radius vector is | |
701 | defined from the circle center to the initial position. Each line segment is formed by successive | |
702 | vector rotations. This requires only two cos() and sin() computations to form the rotation | |
703 | matrix for the duration of the entire arc. Error may accumulate from numerical round-off, since | |
1ad23cd3 | 704 | all float numbers are single precision on the Arduino. (True float precision will not have |
aab6cbba AW |
705 | round off issues for CNC applications.) Single precision error can accumulate to be greater than |
706 | tool precision in some cases. Therefore, arc path correction is implemented. | |
707 | ||
708 | Small angle approximation may be used to reduce computation overhead further. This approximation | |
709 | holds for everything, but very small circles and large mm_per_arc_segment values. In other words, | |
710 | theta_per_segment would need to be greater than 0.1 rad and N_ARC_CORRECTION would need to be large | |
711 | to cause an appreciable drift error. N_ARC_CORRECTION~=25 is more than small enough to correct for | |
712 | numerical drift error. N_ARC_CORRECTION may be on the order a hundred(s) before error becomes an | |
713 | issue for CNC machines with the single precision Arduino calculations. | |
714 | This approximation also allows mc_arc to immediately insert a line segment into the planner | |
715 | without the initial overhead of computing cos() or sin(). By the time the arc needs to be applied | |
716 | a correction, the planner should have caught up to the lag caused by the initial mc_arc overhead. | |
717 | This is important when there are successive arc motions. | |
718 | */ | |
719 | // Vector rotation matrix values | |
4710532a | 720 | float cos_T = 1 - 0.5F * theta_per_segment * theta_per_segment; // Small angle approximation |
1ad23cd3 | 721 | float sin_T = theta_per_segment; |
aab6cbba | 722 | |
1ad23cd3 MM |
723 | float arc_target[3]; |
724 | float sin_Ti; | |
725 | float cos_Ti; | |
726 | float r_axisi; | |
aab6cbba AW |
727 | uint16_t i; |
728 | int8_t count = 0; | |
729 | ||
730 | // Initialize the linear axis | |
2ba859c9 | 731 | arc_target[this->plane_axis_2] = this->last_milestone[this->plane_axis_2]; |
aab6cbba | 732 | |
4710532a | 733 | for (i = 1; i < segments; i++) { // Increment (segments-1) |
aab6cbba | 734 | |
b66fb830 | 735 | if (count < this->arc_correction ) { |
4710532a JM |
736 | // Apply vector rotation matrix |
737 | r_axisi = r_axis0 * sin_T + r_axis1 * cos_T; | |
738 | r_axis0 = r_axis0 * cos_T - r_axis1 * sin_T; | |
739 | r_axis1 = r_axisi; | |
740 | count++; | |
aab6cbba | 741 | } else { |
4710532a JM |
742 | // Arc correction to radius vector. Computed only every N_ARC_CORRECTION increments. |
743 | // Compute exact location by applying transformation matrix from initial radius vector(=-offset). | |
744 | cos_Ti = cosf(i * theta_per_segment); | |
745 | sin_Ti = sinf(i * theta_per_segment); | |
746 | r_axis0 = -offset[this->plane_axis_0] * cos_Ti + offset[this->plane_axis_1] * sin_Ti; | |
747 | r_axis1 = -offset[this->plane_axis_0] * sin_Ti - offset[this->plane_axis_1] * cos_Ti; | |
748 | count = 0; | |
aab6cbba AW |
749 | } |
750 | ||
751 | // Update arc_target location | |
752 | arc_target[this->plane_axis_0] = center_axis0 + r_axis0; | |
753 | arc_target[this->plane_axis_1] = center_axis1 + r_axis1; | |
754 | arc_target[this->plane_axis_2] += linear_per_segment; | |
edac9072 AW |
755 | |
756 | // Append this segment to the queue | |
da947c62 | 757 | this->append_milestone(arc_target, this->feed_rate / seconds_per_minute); |
aab6cbba AW |
758 | |
759 | } | |
edac9072 | 760 | |
aab6cbba | 761 | // Ensure last segment arrives at target location. |
da947c62 | 762 | this->append_milestone(target, this->feed_rate / seconds_per_minute); |
aab6cbba AW |
763 | } |
764 | ||
edac9072 | 765 | // Do the math for an arc and add it to the queue |
4710532a JM |
766 | void Robot::compute_arc(Gcode *gcode, float offset[], float target[]) |
767 | { | |
aab6cbba AW |
768 | |
769 | // Find the radius | |
13addf09 | 770 | float radius = hypotf(offset[this->plane_axis_0], offset[this->plane_axis_1]); |
aab6cbba AW |
771 | |
772 | // Set clockwise/counter-clockwise sign for mc_arc computations | |
773 | bool is_clockwise = false; | |
4710532a JM |
774 | if( this->motion_mode == MOTION_MODE_CW_ARC ) { |
775 | is_clockwise = true; | |
776 | } | |
aab6cbba AW |
777 | |
778 | // Append arc | |
436a2cd1 | 779 | this->append_arc(gcode, target, offset, radius, is_clockwise ); |
aab6cbba AW |
780 | |
781 | } | |
782 | ||
783 | ||
4710532a JM |
784 | float Robot::theta(float x, float y) |
785 | { | |
786 | float t = atanf(x / fabs(y)); | |
787 | if (y > 0) { | |
788 | return(t); | |
789 | } else { | |
790 | if (t > 0) { | |
791 | return(M_PI - t); | |
792 | } else { | |
793 | return(-M_PI - t); | |
794 | } | |
795 | } | |
4cff3ded AW |
796 | } |
797 | ||
4710532a JM |
798 | void Robot::select_plane(uint8_t axis_0, uint8_t axis_1, uint8_t axis_2) |
799 | { | |
4cff3ded AW |
800 | this->plane_axis_0 = axis_0; |
801 | this->plane_axis_1 = axis_1; | |
802 | this->plane_axis_2 = axis_2; | |
803 | } | |
804 | ||
fae93525 | 805 | void Robot::clearToolOffset() |
4710532a | 806 | { |
fae93525 JM |
807 | memset(this->toolOffset, 0, sizeof(this->toolOffset)); |
808 | } | |
809 | ||
810 | void Robot::setToolOffset(const float offset[3]) | |
811 | { | |
fae93525 | 812 | memcpy(this->toolOffset, offset, sizeof(this->toolOffset)); |
5966b7d0 AT |
813 | } |
814 |