Commit | Line | Data |
---|---|---|
df27a6a3 | 1 | /* |
201bcb94 AW |
2 | This file is part of Smoothie (http://smoothieware.org/). The motion control part is heavily based on Grbl (https://github.com/simen/grbl). |
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/>. |
201bcb94 AW |
6 | */ |
7 | ||
8 | #include "libs/Module.h" | |
9 | #include "libs/Kernel.h" | |
10 | #include "modules/communication/utils/Gcode.h" | |
3fceb8eb | 11 | #include "modules/robot/Conveyor.h" |
201bcb94 AW |
12 | #include "Endstops.h" |
13 | #include "libs/nuts_bolts.h" | |
750277f8 | 14 | #include "libs/Pin.h" |
670fa10b | 15 | #include "libs/StepperMotor.h" |
201bcb94 | 16 | #include "wait_api.h" // mbed.h lib |
61134a65 JM |
17 | #include "Robot.h" |
18 | #include "Stepper.h" | |
19 | #include "Config.h" | |
20 | #include "SlowTicker.h" | |
21 | #include "Planner.h" | |
7af0714f JM |
22 | #include "checksumm.h" |
23 | #include "utils.h" | |
8d54c34c | 24 | #include "ConfigValue.h" |
fc7b9a7b | 25 | #include "libs/StreamOutput.h" |
201bcb94 | 26 | |
33e4cc02 JM |
27 | #define ALPHA_AXIS 0 |
28 | #define BETA_AXIS 1 | |
29 | #define GAMMA_AXIS 2 | |
9a993543 JM |
30 | #define X_AXIS 0 |
31 | #define Y_AXIS 1 | |
32 | #define Z_AXIS 2 | |
33e4cc02 JM |
33 | |
34 | #define NOT_HOMING 0 | |
35 | #define MOVING_TO_ORIGIN_FAST 1 | |
36 | #define MOVING_BACK 2 | |
37 | #define MOVING_TO_ORIGIN_SLOW 3 | |
38 | ||
39 | #define endstops_module_enable_checksum CHECKSUM("endstops_enable") | |
40 | #define corexy_homing_checksum CHECKSUM("corexy_homing") | |
41 | #define delta_homing_checksum CHECKSUM("delta_homing") | |
42 | ||
43 | #define alpha_min_endstop_checksum CHECKSUM("alpha_min_endstop") | |
44 | #define beta_min_endstop_checksum CHECKSUM("beta_min_endstop") | |
45 | #define gamma_min_endstop_checksum CHECKSUM("gamma_min_endstop") | |
46 | ||
47 | #define alpha_max_endstop_checksum CHECKSUM("alpha_max_endstop") | |
48 | #define beta_max_endstop_checksum CHECKSUM("beta_max_endstop") | |
49 | #define gamma_max_endstop_checksum CHECKSUM("gamma_max_endstop") | |
50 | ||
51 | #define alpha_trim_checksum CHECKSUM("alpha_trim") | |
52 | #define beta_trim_checksum CHECKSUM("beta_trim") | |
53 | #define gamma_trim_checksum CHECKSUM("gamma_trim") | |
54 | ||
55 | // these values are in steps and should be deprecated | |
56 | #define alpha_fast_homing_rate_checksum CHECKSUM("alpha_fast_homing_rate") | |
57 | #define beta_fast_homing_rate_checksum CHECKSUM("beta_fast_homing_rate") | |
58 | #define gamma_fast_homing_rate_checksum CHECKSUM("gamma_fast_homing_rate") | |
59 | ||
60 | #define alpha_slow_homing_rate_checksum CHECKSUM("alpha_slow_homing_rate") | |
61 | #define beta_slow_homing_rate_checksum CHECKSUM("beta_slow_homing_rate") | |
62 | #define gamma_slow_homing_rate_checksum CHECKSUM("gamma_slow_homing_rate") | |
63 | ||
64 | #define alpha_homing_retract_checksum CHECKSUM("alpha_homing_retract") | |
65 | #define beta_homing_retract_checksum CHECKSUM("beta_homing_retract") | |
66 | #define gamma_homing_retract_checksum CHECKSUM("gamma_homing_retract") | |
67 | #define endstop_debounce_count_checksum CHECKSUM("endstop_debounce_count") | |
68 | ||
69 | // same as above but in user friendly mm/s and mm | |
70 | #define alpha_fast_homing_rate_mm_checksum CHECKSUM("alpha_fast_homing_rate_mm_s") | |
71 | #define beta_fast_homing_rate_mm_checksum CHECKSUM("beta_fast_homing_rate_mm_s") | |
72 | #define gamma_fast_homing_rate_mm_checksum CHECKSUM("gamma_fast_homing_rate_mm_s") | |
73 | ||
74 | #define alpha_slow_homing_rate_mm_checksum CHECKSUM("alpha_slow_homing_rate_mm_s") | |
75 | #define beta_slow_homing_rate_mm_checksum CHECKSUM("beta_slow_homing_rate_mm_s") | |
76 | #define gamma_slow_homing_rate_mm_checksum CHECKSUM("gamma_slow_homing_rate_mm_s") | |
77 | ||
78 | #define alpha_homing_retract_mm_checksum CHECKSUM("alpha_homing_retract_mm") | |
79 | #define beta_homing_retract_mm_checksum CHECKSUM("beta_homing_retract_mm") | |
80 | #define gamma_homing_retract_mm_checksum CHECKSUM("gamma_homing_retract_mm") | |
81 | ||
82 | #define endstop_debounce_count_checksum CHECKSUM("endstop_debounce_count") | |
83 | ||
84 | #define alpha_homing_direction_checksum CHECKSUM("alpha_homing_direction") | |
85 | #define beta_homing_direction_checksum CHECKSUM("beta_homing_direction") | |
86 | #define gamma_homing_direction_checksum CHECKSUM("gamma_homing_direction") | |
87 | #define home_to_max_checksum CHECKSUM("home_to_max") | |
88 | #define home_to_min_checksum CHECKSUM("home_to_min") | |
89 | #define alpha_min_checksum CHECKSUM("alpha_min") | |
90 | #define beta_min_checksum CHECKSUM("beta_min") | |
91 | #define gamma_min_checksum CHECKSUM("gamma_min") | |
92 | ||
93 | #define alpha_max_checksum CHECKSUM("alpha_max") | |
94 | #define beta_max_checksum CHECKSUM("beta_max") | |
95 | #define gamma_max_checksum CHECKSUM("gamma_max") | |
96 | ||
56ce2b5a JM |
97 | #define STEPS_PER_MM(a) (this->steppers[a]->steps_per_mm) |
98 | ||
33e4cc02 JM |
99 | Endstops::Endstops() |
100 | { | |
201bcb94 | 101 | this->status = NOT_HOMING; |
33e4cc02 | 102 | home_offset[0] = home_offset[1] = home_offset[2] = 0.0F; |
201bcb94 AW |
103 | } |
104 | ||
33e4cc02 JM |
105 | void Endstops::on_module_loaded() |
106 | { | |
7dee696d | 107 | // Do not do anything if not enabled |
314ab8f7 | 108 | if ( THEKERNEL->config->value( endstops_module_enable_checksum )->by_default(true)->as_bool() == false ) { |
33e4cc02 JM |
109 | return; |
110 | } | |
7d62445b | 111 | |
476dcb96 | 112 | register_for_event(ON_CONFIG_RELOAD); |
201bcb94 AW |
113 | this->register_for_event(ON_GCODE_RECEIVED); |
114 | ||
115 | // Take StepperMotor objects from Robot and keep them here | |
314ab8f7 MM |
116 | this->steppers[0] = THEKERNEL->robot->alpha_stepper_motor; |
117 | this->steppers[1] = THEKERNEL->robot->beta_stepper_motor; | |
118 | this->steppers[2] = THEKERNEL->robot->gamma_stepper_motor; | |
64eaf21e | 119 | THEKERNEL->slow_ticker->attach( THEKERNEL->stepper->acceleration_ticks_per_second , this, &Endstops::acceleration_tick ); |
201bcb94 | 120 | |
750277f8 AW |
121 | // Settings |
122 | this->on_config_reload(this); | |
201bcb94 AW |
123 | } |
124 | ||
750277f8 | 125 | // Get config |
33e4cc02 JM |
126 | void Endstops::on_config_reload(void *argument) |
127 | { | |
56ce2b5a JM |
128 | this->pins[0].from_string( THEKERNEL->config->value(alpha_min_endstop_checksum )->by_default("nc" )->as_string())->as_input(); |
129 | this->pins[1].from_string( THEKERNEL->config->value(beta_min_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
130 | this->pins[2].from_string( THEKERNEL->config->value(gamma_min_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
131 | this->pins[3].from_string( THEKERNEL->config->value(alpha_max_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
132 | this->pins[4].from_string( THEKERNEL->config->value(beta_max_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
133 | this->pins[5].from_string( THEKERNEL->config->value(gamma_max_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
134 | ||
135 | // These are the old ones in steps still here for backwards compatibility | |
136 | this->fast_rates[0] = THEKERNEL->config->value(alpha_fast_homing_rate_checksum )->by_default(4000 )->as_number() / STEPS_PER_MM(0); | |
137 | this->fast_rates[1] = THEKERNEL->config->value(beta_fast_homing_rate_checksum )->by_default(4000 )->as_number() / STEPS_PER_MM(1); | |
138 | this->fast_rates[2] = THEKERNEL->config->value(gamma_fast_homing_rate_checksum )->by_default(6400 )->as_number() / STEPS_PER_MM(2); | |
139 | this->slow_rates[0] = THEKERNEL->config->value(alpha_slow_homing_rate_checksum )->by_default(2000 )->as_number() / STEPS_PER_MM(0); | |
140 | this->slow_rates[1] = THEKERNEL->config->value(beta_slow_homing_rate_checksum )->by_default(2000 )->as_number() / STEPS_PER_MM(1); | |
141 | this->slow_rates[2] = THEKERNEL->config->value(gamma_slow_homing_rate_checksum )->by_default(3200 )->as_number() / STEPS_PER_MM(2); | |
142 | this->retract_mm[0] = THEKERNEL->config->value(alpha_homing_retract_checksum )->by_default(400 )->as_number() / STEPS_PER_MM(0); | |
143 | this->retract_mm[1] = THEKERNEL->config->value(beta_homing_retract_checksum )->by_default(400 )->as_number() / STEPS_PER_MM(1); | |
144 | this->retract_mm[2] = THEKERNEL->config->value(gamma_homing_retract_checksum )->by_default(1600 )->as_number() / STEPS_PER_MM(2); | |
5de98d7c JM |
145 | |
146 | // newer mm based config values override the old ones, convert to steps/mm and steps, defaults to what was set in the older config settings above | |
56ce2b5a JM |
147 | this->fast_rates[0] = THEKERNEL->config->value(alpha_fast_homing_rate_mm_checksum )->by_default(this->fast_rates[0])->as_number(); |
148 | this->fast_rates[1] = THEKERNEL->config->value(beta_fast_homing_rate_mm_checksum )->by_default(this->fast_rates[1])->as_number(); | |
149 | this->fast_rates[2] = THEKERNEL->config->value(gamma_fast_homing_rate_mm_checksum )->by_default(this->fast_rates[2])->as_number(); | |
150 | this->slow_rates[0] = THEKERNEL->config->value(alpha_slow_homing_rate_mm_checksum )->by_default(this->slow_rates[0])->as_number(); | |
151 | this->slow_rates[1] = THEKERNEL->config->value(beta_slow_homing_rate_mm_checksum )->by_default(this->slow_rates[1])->as_number(); | |
152 | this->slow_rates[2] = THEKERNEL->config->value(gamma_slow_homing_rate_mm_checksum )->by_default(this->slow_rates[2])->as_number(); | |
153 | this->retract_mm[0] = THEKERNEL->config->value(alpha_homing_retract_mm_checksum )->by_default(this->retract_mm[0])->as_number(); | |
154 | this->retract_mm[1] = THEKERNEL->config->value(beta_homing_retract_mm_checksum )->by_default(this->retract_mm[1])->as_number(); | |
155 | this->retract_mm[2] = THEKERNEL->config->value(gamma_homing_retract_mm_checksum )->by_default(this->retract_mm[2])->as_number(); | |
5de98d7c | 156 | |
06c48ee8 | 157 | this->debounce_count = THEKERNEL->config->value(endstop_debounce_count_checksum )->by_default(100)->as_number(); |
5de98d7c JM |
158 | |
159 | ||
409ff5b3 | 160 | // get homing direction and convert to boolean where true is home to min, and false is home to max |
314ab8f7 | 161 | int home_dir = get_checksum(THEKERNEL->config->value(alpha_homing_direction_checksum)->by_default("home_to_min")->as_string()); |
eb09fdbf | 162 | this->home_direction[0] = home_dir != home_to_max_checksum; |
47bbe224 | 163 | |
314ab8f7 | 164 | home_dir = get_checksum(THEKERNEL->config->value(beta_homing_direction_checksum)->by_default("home_to_min")->as_string()); |
eb09fdbf | 165 | this->home_direction[1] = home_dir != home_to_max_checksum; |
47bbe224 | 166 | |
314ab8f7 | 167 | home_dir = get_checksum(THEKERNEL->config->value(gamma_homing_direction_checksum)->by_default("home_to_min")->as_string()); |
eb09fdbf | 168 | this->home_direction[2] = home_dir != home_to_max_checksum; |
47bbe224 | 169 | |
314ab8f7 MM |
170 | this->homing_position[0] = this->home_direction[0] ? THEKERNEL->config->value(alpha_min_checksum)->by_default(0)->as_number() : THEKERNEL->config->value(alpha_max_checksum)->by_default(200)->as_number(); |
171 | this->homing_position[1] = this->home_direction[1] ? THEKERNEL->config->value(beta_min_checksum )->by_default(0)->as_number() : THEKERNEL->config->value(beta_max_checksum )->by_default(200)->as_number();; | |
172 | this->homing_position[2] = this->home_direction[2] ? THEKERNEL->config->value(gamma_min_checksum)->by_default(0)->as_number() : THEKERNEL->config->value(gamma_max_checksum)->by_default(200)->as_number();; | |
f29b0272 | 173 | |
314ab8f7 MM |
174 | this->is_corexy = THEKERNEL->config->value(corexy_homing_checksum)->by_default(false)->as_bool(); |
175 | this->is_delta = THEKERNEL->config->value(delta_homing_checksum)->by_default(false)->as_bool(); | |
e678365e | 176 | |
56ce2b5a | 177 | // endstop trim used by deltas to do soft adjusting, in mm, negate depending on homing direction |
e678365e | 178 | // eg on a delta homing to max, a negative trim value will move the carriage down, and a positive will move it up |
33e4cc02 JM |
179 | int dirx = (this->home_direction[0] ? 1 : -1); |
180 | int diry = (this->home_direction[1] ? 1 : -1); | |
181 | int dirz = (this->home_direction[2] ? 1 : -1); | |
56ce2b5a JM |
182 | this->trim_mm[0] = THEKERNEL->config->value(alpha_trim_checksum )->by_default(0 )->as_number() * dirx; |
183 | this->trim_mm[1] = THEKERNEL->config->value(beta_trim_checksum )->by_default(0 )->as_number() * diry; | |
184 | this->trim_mm[2] = THEKERNEL->config->value(gamma_trim_checksum )->by_default(0 )->as_number() * dirz; | |
a0e0d592 BG |
185 | } |
186 | ||
33e4cc02 JM |
187 | void Endstops::wait_for_homed(char axes_to_move) |
188 | { | |
a0e0d592 | 189 | bool running = true; |
33e4cc02 JM |
190 | unsigned int debounce[3] = {0, 0, 0}; |
191 | while (running) { | |
a0e0d592 | 192 | running = false; |
314ab8f7 | 193 | THEKERNEL->call_event(ON_IDLE); |
56ce2b5a JM |
194 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
195 | if ( ( axes_to_move >> c ) & 1 ) { | |
196 | if ( this->pins[c + (this->home_direction[c] ? 0 : 3)].get() ) { | |
197 | if ( debounce[c] < debounce_count ) { | |
198 | debounce[c]++; | |
a0e0d592 | 199 | running = true; |
56ce2b5a JM |
200 | } else if ( this->steppers[c]->moving ) { |
201 | this->steppers[c]->move(0, 0); | |
a0e0d592 | 202 | } |
33e4cc02 | 203 | } else { |
a0e0d592 BG |
204 | // The endstop was not hit yet |
205 | running = true; | |
56ce2b5a | 206 | debounce[c] = 0; |
323cca60 | 207 | } |
a0e0d592 BG |
208 | } |
209 | } | |
210 | } | |
750277f8 | 211 | } |
201bcb94 | 212 | |
f29b0272 | 213 | // this homing works for cartesian and delta printers, not for HBots/CoreXY |
33e4cc02 JM |
214 | void Endstops::do_homing(char axes_to_move) |
215 | { | |
f29b0272 JM |
216 | // Start moving the axes to the origin |
217 | this->status = MOVING_TO_ORIGIN_FAST; | |
56ce2b5a JM |
218 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
219 | if ( ( axes_to_move >> c) & 1 ) { | |
220 | this->feed_rate[c]= this->fast_rates[c]; | |
221 | this->steppers[c]->set_speed(0); | |
222 | this->steppers[c]->move(this->home_direction[c], 10000000); | |
f29b0272 JM |
223 | } |
224 | } | |
225 | ||
226 | // Wait for all axes to have homed | |
227 | this->wait_for_homed(axes_to_move); | |
228 | ||
229 | // Move back a small distance | |
230 | this->status = MOVING_BACK; | |
231 | bool inverted_dir; | |
56ce2b5a JM |
232 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
233 | if ( ( axes_to_move >> c ) & 1 ) { | |
234 | inverted_dir = !this->home_direction[c]; | |
235 | this->feed_rate[c]= this->slow_rates[c]; | |
236 | this->steppers[c]->set_speed(0); | |
237 | this->steppers[c]->move(inverted_dir, this->retract_mm[c]*STEPS_PER_MM(c)); | |
f29b0272 JM |
238 | } |
239 | } | |
240 | ||
33e4cc02 | 241 | // Wait for moves to be done |
56ce2b5a JM |
242 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
243 | if ( ( axes_to_move >> c ) & 1 ) { | |
244 | while ( this->steppers[c]->moving ) { | |
314ab8f7 | 245 | THEKERNEL->call_event(ON_IDLE); |
f29b0272 JM |
246 | } |
247 | } | |
248 | } | |
249 | ||
250 | // Start moving the axes to the origin slowly | |
251 | this->status = MOVING_TO_ORIGIN_SLOW; | |
56ce2b5a JM |
252 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
253 | if ( ( axes_to_move >> c ) & 1 ) { | |
254 | this->feed_rate[c]= this->slow_rates[c]; | |
255 | this->steppers[c]->set_speed(0); | |
256 | this->steppers[c]->move(this->home_direction[c], 10000000); | |
f29b0272 JM |
257 | } |
258 | } | |
259 | ||
260 | // Wait for all axes to have homed | |
261 | this->wait_for_homed(axes_to_move); | |
262 | ||
33e4cc02 | 263 | if (this->is_delta) { |
959ab59c JM |
264 | // move for soft trim |
265 | this->status = MOVING_BACK; | |
56ce2b5a JM |
266 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
267 | if ( this->trim_mm[c] != 0.0F && ( axes_to_move >> c ) & 1 ) { | |
268 | inverted_dir = this->home_direction[c]; | |
269 | // move up or down depending on sign of trim, -ive is down away from home | |
270 | if (this->trim_mm[c] < 0) inverted_dir = !inverted_dir; | |
271 | this->feed_rate[c]= this->slow_rates[c]; | |
272 | this->steppers[c]->set_speed(0); | |
273 | this->steppers[c]->move(inverted_dir, abs(round(this->trim_mm[c]*STEPS_PER_MM(c)))); | |
959ab59c | 274 | } |
f29b0272 | 275 | } |
f29b0272 | 276 | |
959ab59c | 277 | // Wait for moves to be done |
56ce2b5a JM |
278 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
279 | if ( ( axes_to_move >> c ) & 1 ) { | |
314ab8f7 | 280 | //THEKERNEL->streams->printf("axis %c \r\n", c ); |
56ce2b5a | 281 | while ( this->steppers[c]->moving ) { |
314ab8f7 | 282 | THEKERNEL->call_event(ON_IDLE); |
959ab59c | 283 | } |
f29b0272 JM |
284 | } |
285 | } | |
286 | } | |
287 | ||
288 | // Homing is done | |
289 | this->status = NOT_HOMING; | |
290 | } | |
291 | ||
33e4cc02 JM |
292 | void Endstops::wait_for_homed_corexy(int axis) |
293 | { | |
3db88866 | 294 | bool running = true; |
33e4cc02 JM |
295 | unsigned int debounce[3] = {0, 0, 0}; |
296 | while (running) { | |
3db88866 | 297 | running = false; |
314ab8f7 | 298 | THEKERNEL->call_event(ON_IDLE); |
33e4cc02 JM |
299 | if ( this->pins[axis + (this->home_direction[axis] ? 0 : 3)].get() ) { |
300 | if ( debounce[axis] < debounce_count ) { | |
3db88866 JM |
301 | debounce[axis] ++; |
302 | running = true; | |
303 | } else { | |
304 | // turn both off if running | |
33e4cc02 JM |
305 | if (this->steppers[X_AXIS]->moving) this->steppers[X_AXIS]->move(0, 0); |
306 | if (this->steppers[Y_AXIS]->moving) this->steppers[Y_AXIS]->move(0, 0); | |
3db88866 | 307 | } |
33e4cc02 | 308 | } else { |
3db88866 JM |
309 | // The endstop was not hit yet |
310 | running = true; | |
311 | debounce[axis] = 0; | |
312 | } | |
313 | } | |
314 | } | |
315 | ||
1ad23cd3 | 316 | void Endstops::corexy_home(int home_axis, bool dirx, bool diry, float fast_rate, float slow_rate, unsigned int retract_steps) |
33e4cc02 JM |
317 | { |
318 | this->status = MOVING_TO_ORIGIN_FAST; | |
64eaf21e JM |
319 | this->feed_rate[X_AXIS]= fast_rate; |
320 | this->steppers[X_AXIS]->set_speed(0); | |
33e4cc02 | 321 | this->steppers[X_AXIS]->move(dirx, 10000000); |
64eaf21e JM |
322 | this->feed_rate[Y_AXIS]= fast_rate; |
323 | this->steppers[Y_AXIS]->set_speed(0); | |
33e4cc02 | 324 | this->steppers[Y_AXIS]->move(diry, 10000000); |
f29b0272 | 325 | |
33e4cc02 JM |
326 | // wait for primary axis |
327 | this->wait_for_homed_corexy(home_axis); | |
f29b0272 | 328 | |
33e4cc02 JM |
329 | // Move back a small distance |
330 | this->status = MOVING_BACK; | |
64eaf21e JM |
331 | this->feed_rate[X_AXIS]= slow_rate; |
332 | this->steppers[X_AXIS]->set_speed(0); | |
33e4cc02 | 333 | this->steppers[X_AXIS]->move(!dirx, retract_steps); |
64eaf21e JM |
334 | this->feed_rate[Y_AXIS]= slow_rate; |
335 | this->steppers[Y_AXIS]->set_speed(0); | |
33e4cc02 JM |
336 | this->steppers[Y_AXIS]->move(!diry, retract_steps); |
337 | ||
338 | // wait until done | |
9a993543 | 339 | while ( this->steppers[X_AXIS]->moving || this->steppers[Y_AXIS]->moving) { |
314ab8f7 | 340 | THEKERNEL->call_event(ON_IDLE); |
f29b0272 JM |
341 | } |
342 | ||
33e4cc02 JM |
343 | // Start moving the axes to the origin slowly |
344 | this->status = MOVING_TO_ORIGIN_SLOW; | |
64eaf21e JM |
345 | this->feed_rate[X_AXIS]= slow_rate; |
346 | this->steppers[X_AXIS]->set_speed(0); | |
33e4cc02 | 347 | this->steppers[X_AXIS]->move(dirx, 10000000); |
64eaf21e JM |
348 | this->feed_rate[Y_AXIS]= slow_rate; |
349 | this->steppers[Y_AXIS]->set_speed(0); | |
33e4cc02 | 350 | this->steppers[Y_AXIS]->move(diry, 10000000); |
f29b0272 | 351 | |
33e4cc02 JM |
352 | // wait for primary axis |
353 | this->wait_for_homed_corexy(home_axis); | |
354 | } | |
f29b0272 | 355 | |
33e4cc02 JM |
356 | // this homing works for HBots/CoreXY |
357 | void Endstops::do_homing_corexy(char axes_to_move) | |
358 | { | |
03dffc07 | 359 | // TODO should really make order configurable, and select whether to allow XY to home at the same time, diagonally |
174d9961 | 360 | // To move XY at the same time only one motor needs to turn, determine which motor and which direction based on min or max directions |
03dffc07 | 361 | // allow to move until an endstop triggers, then stop that motor. Speed up when moving diagonally to match X or Y speed |
174d9961 | 362 | // continue moving in the direction not yet triggered (which means two motors turning) until endstop hit |
174d9961 JM |
363 | |
364 | if((axes_to_move & 0x03) == 0x03) { // both X and Y need Homing | |
365 | // determine which motor to turn and which way | |
366 | bool dirx= this->home_direction[X_AXIS]; | |
367 | bool diry= this->home_direction[Y_AXIS]; | |
368 | int motor; | |
369 | bool dir; | |
370 | if(dirx && diry) { // min/min | |
371 | motor= X_AXIS; | |
372 | dir= true; | |
373 | }else if(dirx && !diry) { // min/max | |
374 | motor= Y_AXIS; | |
375 | dir= true; | |
376 | }else if(!dirx && diry) { // max/min | |
377 | motor= Y_AXIS; | |
378 | dir= false; | |
379 | }else if(!dirx && !diry) { // max/max | |
380 | motor= X_AXIS; | |
381 | dir= false; | |
382 | } | |
383 | ||
384 | // then move both X and Y until one hits the endstop | |
385 | this->status = MOVING_TO_ORIGIN_FAST; | |
64eaf21e JM |
386 | this->feed_rate[motor]= this->fast_rates[motor]*1.4142; |
387 | this->steppers[motor]->set_speed(0); // need to allow for more ground covered when moving diagonally | |
174d9961 JM |
388 | this->steppers[motor]->move(dir, 10000000); |
389 | // wait until either X or Y hits the endstop | |
390 | bool running= true; | |
391 | while (running) { | |
314ab8f7 | 392 | THEKERNEL->call_event(ON_IDLE); |
174d9961 JM |
393 | for(int m=X_AXIS;m<=Y_AXIS;m++) { |
394 | if(this->pins[m + (this->home_direction[m] ? 0 : 3)].get()) { | |
395 | // turn off motor | |
396 | if(this->steppers[motor]->moving) this->steppers[motor]->move(0, 0); | |
397 | running= false; | |
398 | break; | |
399 | } | |
400 | } | |
401 | } | |
402 | } | |
33e4cc02 | 403 | |
174d9961 | 404 | // move individual axis |
33e4cc02 | 405 | if (axes_to_move & 0x01) { // Home X, which means both X and Y in same direction |
413dd90c | 406 | bool dir= this->home_direction[X_AXIS]; |
56ce2b5a | 407 | corexy_home(X_AXIS, dir, dir, this->fast_rates[X_AXIS], this->slow_rates[X_AXIS], this->retract_mm[X_AXIS]*STEPS_PER_MM(X_AXIS)); |
f29b0272 JM |
408 | } |
409 | ||
65191d91 JM |
410 | if (axes_to_move & 0x02) { // Home Y, which means both X and Y in different directions |
411 | bool dir= this->home_direction[Y_AXIS]; | |
56ce2b5a | 412 | corexy_home(Y_AXIS, dir, !dir, this->fast_rates[Y_AXIS], this->slow_rates[Y_AXIS], this->retract_mm[Y_AXIS]*STEPS_PER_MM(Y_AXIS)); |
65191d91 JM |
413 | } |
414 | ||
33e4cc02 | 415 | if (axes_to_move & 0x04) { // move Z |
f29b0272 JM |
416 | do_homing(0x04); // just home normally for Z |
417 | } | |
418 | ||
419 | // Homing is done | |
420 | this->status = NOT_HOMING; | |
421 | } | |
422 | ||
201bcb94 | 423 | // Start homing sequences by response to GCode commands |
33e4cc02 | 424 | void Endstops::on_gcode_received(void *argument) |
c339d634 | 425 | { |
33e4cc02 JM |
426 | Gcode *gcode = static_cast<Gcode *>(argument); |
427 | if ( gcode->has_g) { | |
428 | if ( gcode->g == 28 ) { | |
74b6303c | 429 | gcode->mark_as_taken(); |
df27a6a3 | 430 | // G28 is received, we have homing to do |
201bcb94 AW |
431 | |
432 | // First wait for the queue to be empty | |
314ab8f7 | 433 | THEKERNEL->conveyor->wait_for_empty_queue(); |
201bcb94 AW |
434 | |
435 | // Do we move select axes or all of them | |
7dee696d | 436 | char axes_to_move = 0; |
959ab59c | 437 | // only enable homing if the endstop is defined, deltas always home all axis |
33e4cc02 | 438 | bool home_all = this->is_delta || !( gcode->has_letter('X') || gcode->has_letter('Y') || gcode->has_letter('Z') ); |
47bbe224 | 439 | |
56ce2b5a JM |
440 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
441 | if ( (home_all || gcode->has_letter(c+'X')) && this->pins[c + (this->home_direction[c] ? 0 : 3)].connected() ) { | |
442 | axes_to_move += ( 1 << c ); | |
33e4cc02 | 443 | } |
df27a6a3 | 444 | } |
3b948656 | 445 | |
f6c04440 | 446 | // Enable the motors |
314ab8f7 | 447 | THEKERNEL->stepper->turn_enable_pins_on(); |
f6c04440 | 448 | |
f29b0272 | 449 | // do the actual homing |
33e4cc02 | 450 | if (is_corexy) |
f29b0272 JM |
451 | do_homing_corexy(axes_to_move); |
452 | else | |
453 | do_homing(axes_to_move); | |
3ffe27fb | 454 | |
33e4cc02 | 455 | // Zero the ax(i/e)s position, add in the home offset |
56ce2b5a | 456 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
33e4cc02 | 457 | if ( (axes_to_move >> c) & 1 ) { |
314ab8f7 | 458 | THEKERNEL->robot->reset_axis_position(this->homing_position[c] + this->home_offset[c], c); |
3ffe27fb AV |
459 | } |
460 | } | |
c339d634 | 461 | } |
33e4cc02 JM |
462 | } else if (gcode->has_m) { |
463 | switch (gcode->m) { | |
464 | case 119: { | |
465 | ||
466 | int px = this->home_direction[0] ? 0 : 3; | |
467 | int py = this->home_direction[1] ? 1 : 4; | |
468 | int pz = this->home_direction[2] ? 2 : 5; | |
469 | const char *mx = this->home_direction[0] ? "min" : "max"; | |
470 | const char *my = this->home_direction[1] ? "min" : "max"; | |
471 | const char *mz = this->home_direction[2] ? "min" : "max"; | |
472 | ||
bd96f4d7 JM |
473 | gcode->stream->printf("X %s:%d Y %s:%d Z %s:%d", mx, this->pins[px].get(), my, this->pins[py].get(), mz, this->pins[pz].get()); |
474 | gcode->add_nl= true; | |
33e4cc02 JM |
475 | gcode->mark_as_taken(); |
476 | } | |
477 | break; | |
478 | ||
479 | case 206: // M206 - set homing offset | |
480 | if (gcode->has_letter('X')) home_offset[0] = gcode->get_value('X'); | |
481 | if (gcode->has_letter('Y')) home_offset[1] = gcode->get_value('Y'); | |
482 | if (gcode->has_letter('Z')) home_offset[2] = gcode->get_value('Z'); | |
483 | gcode->stream->printf("X %5.3f Y %5.3f Z %5.3f\n", home_offset[0], home_offset[1], home_offset[2]); | |
484 | gcode->mark_as_taken(); | |
485 | break; | |
486 | ||
487 | case 500: // save settings | |
488 | case 503: // print settings | |
489 | gcode->stream->printf(";Home offset (mm):\nM206 X%1.2f Y%1.2f Z%1.2f\n", home_offset[0], home_offset[1], home_offset[2]); | |
490 | if (is_delta) { | |
56ce2b5a JM |
491 | gcode->stream->printf(";Trim (mm):\nM666 X%1.3f Y%1.3f Z%1.3f\n", trim_mm[0], trim_mm[1], trim_mm[2]); |
492 | gcode->stream->printf(";Max Z\nM665 Z%1.3f\n", this->homing_position[2]); | |
7a8fe6e0 | 493 | } |
33e4cc02 | 494 | gcode->mark_as_taken(); |
c339d634 | 495 | break; |
47bbe224 | 496 | |
ec4773e5 | 497 | case 665: { // M665 - set max gamma/z height |
33e4cc02 | 498 | gcode->mark_as_taken(); |
1ad23cd3 | 499 | float gamma_max = this->homing_position[2]; |
33e4cc02 JM |
500 | if (gcode->has_letter('Z')) { |
501 | this->homing_position[2] = gamma_max = gcode->get_value('Z'); | |
ec4773e5 | 502 | } |
33e4cc02 JM |
503 | gcode->stream->printf("Max Z %8.3f ", gamma_max); |
504 | gcode->add_nl = true; | |
505 | } | |
506 | break; | |
ec4773e5 | 507 | |
47bbe224 | 508 | |
56ce2b5a JM |
509 | case 666: |
510 | if(this->is_delta) { // M666 - set trim for each axis in mm, NB negative mm trim is down | |
511 | if (gcode->has_letter('X')) trim_mm[0] = gcode->get_value('X'); | |
512 | if (gcode->has_letter('Y')) trim_mm[1] = gcode->get_value('Y'); | |
513 | if (gcode->has_letter('Z')) trim_mm[2] = gcode->get_value('Z'); | |
47bbe224 | 514 | |
56ce2b5a JM |
515 | // print the current trim values in mm |
516 | gcode->stream->printf("X: %5.3f Y: %5.3f Z: %5.3f\n", trim_mm[0], trim_mm[1], trim_mm[2]); | |
517 | gcode->mark_as_taken(); | |
518 | } | |
33e4cc02 | 519 | break; |
47bbe224 | 520 | |
d4ee6ee2 JM |
521 | // NOTE this is to test accuracy of lead screws etc. |
522 | case 910: { // M910 - move specific number of raw steps | |
523 | int x= 0, y=0 , z= 0, f= 200*16; | |
524 | if (gcode->has_letter('F')) f = gcode->get_value('F'); | |
525 | if (gcode->has_letter('X')) { | |
526 | x = gcode->get_value('X'); | |
527 | this->steppers[X_AXIS]->set_speed(f); | |
528 | this->steppers[X_AXIS]->move(x<0, abs(x)); | |
529 | } | |
530 | if (gcode->has_letter('Y')) { | |
531 | y = gcode->get_value('Y'); | |
532 | this->steppers[Y_AXIS]->set_speed(f); | |
533 | this->steppers[Y_AXIS]->move(y<0, abs(y)); | |
534 | } | |
535 | if (gcode->has_letter('Z')) { | |
536 | z = gcode->get_value('Z'); | |
537 | this->steppers[Z_AXIS]->set_speed(f); | |
538 | this->steppers[Z_AXIS]->move(z<0, abs(z)); | |
539 | } | |
540 | gcode->stream->printf("Moved X %d Y %d Z %d F %d steps\n", x, y, z, f); | |
541 | gcode->mark_as_taken(); | |
542 | break; | |
543 | } | |
201bcb94 AW |
544 | } |
545 | } | |
546 | } | |
547 | ||
64eaf21e JM |
548 | #define max(a,b) (((a) > (b)) ? (a) : (b)) |
549 | // Called periodically to change the speed to match acceleration | |
550 | uint32_t Endstops::acceleration_tick(uint32_t dummy) | |
551 | { | |
552 | if(this->status == NOT_HOMING) return(0); // nothing to do | |
553 | ||
554 | // foreach stepper that is moving | |
555 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { | |
556 | if( !this->steppers[c]->moving ) continue; | |
557 | ||
558 | uint32_t current_rate = this->steppers[c]->steps_per_second; | |
56ce2b5a | 559 | uint32_t target_rate = int(floor(this->feed_rate[c]*STEPS_PER_MM(c))); |
64eaf21e JM |
560 | |
561 | if( current_rate < target_rate ){ | |
56ce2b5a | 562 | uint32_t rate_increase = int(floor((THEKERNEL->planner->acceleration/THEKERNEL->stepper->acceleration_ticks_per_second)*STEPS_PER_MM(c))); |
64eaf21e JM |
563 | current_rate = min( target_rate, current_rate + rate_increase ); |
564 | } | |
565 | if( current_rate > target_rate ){ current_rate = target_rate; } | |
566 | ||
567 | // steps per second | |
568 | this->steppers[c]->set_speed(max(current_rate, THEKERNEL->stepper->minimum_steps_per_second)); | |
569 | } | |
570 | ||
571 | return 0; | |
572 | } |