Commit | Line | Data |
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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" |
807b9b57 | 12 | #include "modules/robot/ActuatorCoordinates.h" |
201bcb94 AW |
13 | #include "Endstops.h" |
14 | #include "libs/nuts_bolts.h" | |
750277f8 | 15 | #include "libs/Pin.h" |
670fa10b | 16 | #include "libs/StepperMotor.h" |
201bcb94 | 17 | #include "wait_api.h" // mbed.h lib |
61134a65 JM |
18 | #include "Robot.h" |
19 | #include "Stepper.h" | |
20 | #include "Config.h" | |
21 | #include "SlowTicker.h" | |
22 | #include "Planner.h" | |
7af0714f JM |
23 | #include "checksumm.h" |
24 | #include "utils.h" | |
8d54c34c | 25 | #include "ConfigValue.h" |
fc7b9a7b | 26 | #include "libs/StreamOutput.h" |
9f6f04a5 JM |
27 | #include "PublicDataRequest.h" |
28 | #include "EndstopsPublicAccess.h" | |
3c947f85 | 29 | #include "StreamOutputPool.h" |
a157d099 | 30 | #include "StepTicker.h" |
7552475b | 31 | #include "BaseSolution.h" |
e551657a | 32 | #include "SerialMessage.h" |
201bcb94 | 33 | |
80605954 JM |
34 | #include <ctype.h> |
35 | ||
33e4cc02 JM |
36 | #define ALPHA_AXIS 0 |
37 | #define BETA_AXIS 1 | |
38 | #define GAMMA_AXIS 2 | |
9a993543 JM |
39 | #define X_AXIS 0 |
40 | #define Y_AXIS 1 | |
41 | #define Z_AXIS 2 | |
33e4cc02 | 42 | |
33e4cc02 JM |
43 | #define endstops_module_enable_checksum CHECKSUM("endstops_enable") |
44 | #define corexy_homing_checksum CHECKSUM("corexy_homing") | |
45 | #define delta_homing_checksum CHECKSUM("delta_homing") | |
3e1f5b74 | 46 | #define scara_homing_checksum CHECKSUM("scara_homing") |
33e4cc02 JM |
47 | |
48 | #define alpha_min_endstop_checksum CHECKSUM("alpha_min_endstop") | |
49 | #define beta_min_endstop_checksum CHECKSUM("beta_min_endstop") | |
50 | #define gamma_min_endstop_checksum CHECKSUM("gamma_min_endstop") | |
51 | ||
52 | #define alpha_max_endstop_checksum CHECKSUM("alpha_max_endstop") | |
53 | #define beta_max_endstop_checksum CHECKSUM("beta_max_endstop") | |
54 | #define gamma_max_endstop_checksum CHECKSUM("gamma_max_endstop") | |
55 | ||
56 | #define alpha_trim_checksum CHECKSUM("alpha_trim") | |
57 | #define beta_trim_checksum CHECKSUM("beta_trim") | |
58 | #define gamma_trim_checksum CHECKSUM("gamma_trim") | |
59 | ||
60 | // these values are in steps and should be deprecated | |
61 | #define alpha_fast_homing_rate_checksum CHECKSUM("alpha_fast_homing_rate") | |
62 | #define beta_fast_homing_rate_checksum CHECKSUM("beta_fast_homing_rate") | |
63 | #define gamma_fast_homing_rate_checksum CHECKSUM("gamma_fast_homing_rate") | |
64 | ||
65 | #define alpha_slow_homing_rate_checksum CHECKSUM("alpha_slow_homing_rate") | |
66 | #define beta_slow_homing_rate_checksum CHECKSUM("beta_slow_homing_rate") | |
67 | #define gamma_slow_homing_rate_checksum CHECKSUM("gamma_slow_homing_rate") | |
68 | ||
69 | #define alpha_homing_retract_checksum CHECKSUM("alpha_homing_retract") | |
70 | #define beta_homing_retract_checksum CHECKSUM("beta_homing_retract") | |
71 | #define gamma_homing_retract_checksum CHECKSUM("gamma_homing_retract") | |
33e4cc02 JM |
72 | |
73 | // same as above but in user friendly mm/s and mm | |
74 | #define alpha_fast_homing_rate_mm_checksum CHECKSUM("alpha_fast_homing_rate_mm_s") | |
75 | #define beta_fast_homing_rate_mm_checksum CHECKSUM("beta_fast_homing_rate_mm_s") | |
76 | #define gamma_fast_homing_rate_mm_checksum CHECKSUM("gamma_fast_homing_rate_mm_s") | |
77 | ||
78 | #define alpha_slow_homing_rate_mm_checksum CHECKSUM("alpha_slow_homing_rate_mm_s") | |
79 | #define beta_slow_homing_rate_mm_checksum CHECKSUM("beta_slow_homing_rate_mm_s") | |
80 | #define gamma_slow_homing_rate_mm_checksum CHECKSUM("gamma_slow_homing_rate_mm_s") | |
81 | ||
82 | #define alpha_homing_retract_mm_checksum CHECKSUM("alpha_homing_retract_mm") | |
83 | #define beta_homing_retract_mm_checksum CHECKSUM("beta_homing_retract_mm") | |
84 | #define gamma_homing_retract_mm_checksum CHECKSUM("gamma_homing_retract_mm") | |
85 | ||
86 | #define endstop_debounce_count_checksum CHECKSUM("endstop_debounce_count") | |
87 | ||
88 | #define alpha_homing_direction_checksum CHECKSUM("alpha_homing_direction") | |
89 | #define beta_homing_direction_checksum CHECKSUM("beta_homing_direction") | |
90 | #define gamma_homing_direction_checksum CHECKSUM("gamma_homing_direction") | |
91 | #define home_to_max_checksum CHECKSUM("home_to_max") | |
92 | #define home_to_min_checksum CHECKSUM("home_to_min") | |
93 | #define alpha_min_checksum CHECKSUM("alpha_min") | |
94 | #define beta_min_checksum CHECKSUM("beta_min") | |
95 | #define gamma_min_checksum CHECKSUM("gamma_min") | |
96 | ||
97 | #define alpha_max_checksum CHECKSUM("alpha_max") | |
98 | #define beta_max_checksum CHECKSUM("beta_max") | |
99 | #define gamma_max_checksum CHECKSUM("gamma_max") | |
100 | ||
3c947f85 JM |
101 | #define alpha_limit_enable_checksum CHECKSUM("alpha_limit_enable") |
102 | #define beta_limit_enable_checksum CHECKSUM("beta_limit_enable") | |
103 | #define gamma_limit_enable_checksum CHECKSUM("gamma_limit_enable") | |
104 | ||
80605954 | 105 | #define homing_order_checksum CHECKSUM("homing_order") |
2ddf75fd | 106 | #define move_to_origin_checksum CHECKSUM("move_to_origin_after_home") |
80605954 | 107 | |
dd0a7cfa JM |
108 | #define STEPPER THEKERNEL->robot->actuators |
109 | #define STEPS_PER_MM(a) (STEPPER[a]->get_steps_per_mm()) | |
56ce2b5a | 110 | |
2b3cedc7 | 111 | |
3c947f85 | 112 | // Homing States |
e714bd32 | 113 | enum { |
2ddf75fd JM |
114 | MOVING_TO_ENDSTOP_FAST, // homing move |
115 | MOVING_BACK, // homing move | |
116 | MOVING_TO_ENDSTOP_SLOW, // homing move | |
fafb45df | 117 | NOT_HOMING, |
3c947f85 | 118 | BACK_OFF_HOME, |
2ddf75fd | 119 | MOVE_TO_ORIGIN, |
3c947f85 JM |
120 | LIMIT_TRIGGERED |
121 | }; | |
122 | ||
33e4cc02 JM |
123 | Endstops::Endstops() |
124 | { | |
201bcb94 | 125 | this->status = NOT_HOMING; |
33e4cc02 | 126 | home_offset[0] = home_offset[1] = home_offset[2] = 0.0F; |
201bcb94 AW |
127 | } |
128 | ||
33e4cc02 JM |
129 | void Endstops::on_module_loaded() |
130 | { | |
7dee696d | 131 | // Do not do anything if not enabled |
314ab8f7 | 132 | if ( THEKERNEL->config->value( endstops_module_enable_checksum )->by_default(true)->as_bool() == false ) { |
4e722c00 | 133 | delete this; |
33e4cc02 JM |
134 | return; |
135 | } | |
7d62445b | 136 | |
9f6f04a5 JM |
137 | register_for_event(ON_GCODE_RECEIVED); |
138 | register_for_event(ON_GET_PUBLIC_DATA); | |
7d6fe308 | 139 | register_for_event(ON_SET_PUBLIC_DATA); |
201bcb94 | 140 | |
e714bd32 | 141 | THEKERNEL->step_ticker->register_acceleration_tick_handler([this]() {acceleration_tick(); }); |
201bcb94 | 142 | |
750277f8 AW |
143 | // Settings |
144 | this->on_config_reload(this); | |
201bcb94 AW |
145 | } |
146 | ||
750277f8 | 147 | // Get config |
33e4cc02 JM |
148 | void Endstops::on_config_reload(void *argument) |
149 | { | |
56ce2b5a JM |
150 | this->pins[0].from_string( THEKERNEL->config->value(alpha_min_endstop_checksum )->by_default("nc" )->as_string())->as_input(); |
151 | this->pins[1].from_string( THEKERNEL->config->value(beta_min_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
152 | this->pins[2].from_string( THEKERNEL->config->value(gamma_min_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
153 | this->pins[3].from_string( THEKERNEL->config->value(alpha_max_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
154 | this->pins[4].from_string( THEKERNEL->config->value(beta_max_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
155 | this->pins[5].from_string( THEKERNEL->config->value(gamma_max_endstop_checksum )->by_default("nc" )->as_string())->as_input(); | |
156 | ||
157 | // These are the old ones in steps still here for backwards compatibility | |
158 | this->fast_rates[0] = THEKERNEL->config->value(alpha_fast_homing_rate_checksum )->by_default(4000 )->as_number() / STEPS_PER_MM(0); | |
159 | this->fast_rates[1] = THEKERNEL->config->value(beta_fast_homing_rate_checksum )->by_default(4000 )->as_number() / STEPS_PER_MM(1); | |
160 | this->fast_rates[2] = THEKERNEL->config->value(gamma_fast_homing_rate_checksum )->by_default(6400 )->as_number() / STEPS_PER_MM(2); | |
161 | this->slow_rates[0] = THEKERNEL->config->value(alpha_slow_homing_rate_checksum )->by_default(2000 )->as_number() / STEPS_PER_MM(0); | |
162 | this->slow_rates[1] = THEKERNEL->config->value(beta_slow_homing_rate_checksum )->by_default(2000 )->as_number() / STEPS_PER_MM(1); | |
163 | this->slow_rates[2] = THEKERNEL->config->value(gamma_slow_homing_rate_checksum )->by_default(3200 )->as_number() / STEPS_PER_MM(2); | |
164 | this->retract_mm[0] = THEKERNEL->config->value(alpha_homing_retract_checksum )->by_default(400 )->as_number() / STEPS_PER_MM(0); | |
165 | this->retract_mm[1] = THEKERNEL->config->value(beta_homing_retract_checksum )->by_default(400 )->as_number() / STEPS_PER_MM(1); | |
166 | this->retract_mm[2] = THEKERNEL->config->value(gamma_homing_retract_checksum )->by_default(1600 )->as_number() / STEPS_PER_MM(2); | |
5de98d7c JM |
167 | |
168 | // 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 |
169 | this->fast_rates[0] = THEKERNEL->config->value(alpha_fast_homing_rate_mm_checksum )->by_default(this->fast_rates[0])->as_number(); |
170 | this->fast_rates[1] = THEKERNEL->config->value(beta_fast_homing_rate_mm_checksum )->by_default(this->fast_rates[1])->as_number(); | |
171 | this->fast_rates[2] = THEKERNEL->config->value(gamma_fast_homing_rate_mm_checksum )->by_default(this->fast_rates[2])->as_number(); | |
172 | this->slow_rates[0] = THEKERNEL->config->value(alpha_slow_homing_rate_mm_checksum )->by_default(this->slow_rates[0])->as_number(); | |
173 | this->slow_rates[1] = THEKERNEL->config->value(beta_slow_homing_rate_mm_checksum )->by_default(this->slow_rates[1])->as_number(); | |
174 | this->slow_rates[2] = THEKERNEL->config->value(gamma_slow_homing_rate_mm_checksum )->by_default(this->slow_rates[2])->as_number(); | |
175 | this->retract_mm[0] = THEKERNEL->config->value(alpha_homing_retract_mm_checksum )->by_default(this->retract_mm[0])->as_number(); | |
176 | this->retract_mm[1] = THEKERNEL->config->value(beta_homing_retract_mm_checksum )->by_default(this->retract_mm[1])->as_number(); | |
177 | this->retract_mm[2] = THEKERNEL->config->value(gamma_homing_retract_mm_checksum )->by_default(this->retract_mm[2])->as_number(); | |
5de98d7c | 178 | |
06c48ee8 | 179 | this->debounce_count = THEKERNEL->config->value(endstop_debounce_count_checksum )->by_default(100)->as_number(); |
5de98d7c | 180 | |
409ff5b3 | 181 | // get homing direction and convert to boolean where true is home to min, and false is home to max |
314ab8f7 | 182 | int home_dir = get_checksum(THEKERNEL->config->value(alpha_homing_direction_checksum)->by_default("home_to_min")->as_string()); |
eb09fdbf | 183 | this->home_direction[0] = home_dir != home_to_max_checksum; |
47bbe224 | 184 | |
314ab8f7 | 185 | home_dir = get_checksum(THEKERNEL->config->value(beta_homing_direction_checksum)->by_default("home_to_min")->as_string()); |
eb09fdbf | 186 | this->home_direction[1] = home_dir != home_to_max_checksum; |
47bbe224 | 187 | |
314ab8f7 | 188 | home_dir = get_checksum(THEKERNEL->config->value(gamma_homing_direction_checksum)->by_default("home_to_min")->as_string()); |
eb09fdbf | 189 | this->home_direction[2] = home_dir != home_to_max_checksum; |
47bbe224 | 190 | |
314ab8f7 | 191 | 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(); |
f3b66360 JM |
192 | 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(); |
193 | 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 | 194 | |
314ab8f7 MM |
195 | this->is_corexy = THEKERNEL->config->value(corexy_homing_checksum)->by_default(false)->as_bool(); |
196 | this->is_delta = THEKERNEL->config->value(delta_homing_checksum)->by_default(false)->as_bool(); | |
504f0e3e JM |
197 | this->is_scara = THEKERNEL->config->value(scara_homing_checksum)->by_default(false)->as_bool(); |
198 | ||
80605954 | 199 | // see if an order has been specified, must be three characters, XYZ or YXZ etc |
e714bd32 JM |
200 | string order = THEKERNEL->config->value(homing_order_checksum)->by_default("")->as_string(); |
201 | this->homing_order = 0; | |
80605954 | 202 | if(order.size() == 3 && !this->is_delta) { |
e714bd32 | 203 | int shift = 0; |
80605954 | 204 | for(auto c : order) { |
e714bd32 | 205 | uint8_t i = toupper(c) - 'X'; |
80605954 | 206 | if(i > 2) { // bad value |
e714bd32 | 207 | this->homing_order = 0; |
80605954 JM |
208 | break; |
209 | } | |
210 | homing_order |= (i << shift); | |
211 | shift += 2; | |
212 | } | |
213 | } | |
214 | ||
192bca32 JM |
215 | // endstop trim used by deltas to do soft adjusting |
216 | // on a delta homing to max, a negative trim value will move the carriage down, and a positive will move it up | |
217 | this->trim_mm[0] = THEKERNEL->config->value(alpha_trim_checksum )->by_default(0 )->as_number(); | |
218 | this->trim_mm[1] = THEKERNEL->config->value(beta_trim_checksum )->by_default(0 )->as_number(); | |
219 | this->trim_mm[2] = THEKERNEL->config->value(gamma_trim_checksum )->by_default(0 )->as_number(); | |
3c947f85 JM |
220 | |
221 | // limits enabled | |
e714bd32 JM |
222 | this->limit_enable[X_AXIS] = THEKERNEL->config->value(alpha_limit_enable_checksum)->by_default(false)->as_bool(); |
223 | this->limit_enable[Y_AXIS] = THEKERNEL->config->value(beta_limit_enable_checksum)->by_default(false)->as_bool(); | |
224 | this->limit_enable[Z_AXIS] = THEKERNEL->config->value(gamma_limit_enable_checksum)->by_default(false)->as_bool(); | |
3c947f85 | 225 | |
b62eb905 | 226 | //s et to true by default for deltas duwe to trim, false on cartesians |
e714bd32 | 227 | this->move_to_origin_after_home = THEKERNEL->config->value(move_to_origin_checksum)->by_default(is_delta)->as_bool(); |
2b3cedc7 | 228 | |
e714bd32 | 229 | if(this->limit_enable[X_AXIS] || this->limit_enable[Y_AXIS] || this->limit_enable[Z_AXIS]) { |
3c947f85 | 230 | register_for_event(ON_IDLE); |
7f3e6350 JM |
231 | if(this->is_delta) { |
232 | // we must enable all the limits not just one | |
e714bd32 JM |
233 | this->limit_enable[X_AXIS] = true; |
234 | this->limit_enable[Y_AXIS] = true; | |
235 | this->limit_enable[Z_AXIS] = true; | |
7f3e6350 | 236 | } |
3c947f85 | 237 | } |
44127aca JM |
238 | |
239 | // NOTE this may also be true of scara. TBD | |
240 | if(this->is_delta) { | |
241 | // some things must be the same or they will die, so force it here to avoid config errors | |
e714bd32 JM |
242 | this->fast_rates[1] = this->fast_rates[2] = this->fast_rates[0]; |
243 | this->slow_rates[1] = this->slow_rates[2] = this->slow_rates[0]; | |
244 | this->retract_mm[1] = this->retract_mm[2] = this->retract_mm[0]; | |
245 | this->home_direction[1] = this->home_direction[2] = this->home_direction[0]; | |
246 | this->homing_position[0] = this->homing_position[1] = 0; | |
44127aca | 247 | } |
3c947f85 JM |
248 | } |
249 | ||
28166daf JM |
250 | bool Endstops::debounced_get(int pin) |
251 | { | |
e714bd32 | 252 | uint8_t debounce = 0; |
28166daf JM |
253 | while(this->pins[pin].get()) { |
254 | if ( ++debounce >= this->debounce_count ) { | |
255 | // pin triggered | |
256 | return true; | |
257 | } | |
258 | } | |
259 | return false; | |
260 | } | |
261 | ||
e714bd32 | 262 | static const char *endstop_names[] = {"min_x", "min_y", "min_z", "max_x", "max_y", "max_z"}; |
3c947f85 JM |
263 | |
264 | void Endstops::on_idle(void *argument) | |
265 | { | |
c3d7feb6 JM |
266 | if(this->status == LIMIT_TRIGGERED) { |
267 | // if we were in limit triggered see if it has been cleared | |
268 | for( int c = X_AXIS; c <= Z_AXIS; c++ ) { | |
269 | if(this->limit_enable[c]) { | |
270 | std::array<int, 2> minmax{{0, 3}}; | |
271 | // check min and max endstops | |
272 | for (int i : minmax) { | |
e714bd32 | 273 | int n = c + i; |
c3d7feb6 JM |
274 | if(this->pins[n].get()) { |
275 | // still triggered, so exit | |
e714bd32 | 276 | bounce_cnt = 0; |
c3d7feb6 JM |
277 | return; |
278 | } | |
279 | } | |
280 | } | |
281 | } | |
ee1c3181 JM |
282 | if(++bounce_cnt > 10) { // can use less as it calls on_idle in between |
283 | // clear the state | |
e714bd32 | 284 | this->status = NOT_HOMING; |
ee1c3181 | 285 | } |
4befe777 | 286 | return; |
c3d7feb6 | 287 | |
e714bd32 | 288 | } else if(this->status != NOT_HOMING) { |
c3d7feb6 JM |
289 | // don't check while homing |
290 | return; | |
291 | } | |
3c947f85 JM |
292 | |
293 | for( int c = X_AXIS; c <= Z_AXIS; c++ ) { | |
294 | if(this->limit_enable[c] && STEPPER[c]->is_moving()) { | |
295 | std::array<int, 2> minmax{{0, 3}}; | |
296 | // check min and max endstops | |
297 | for (int i : minmax) { | |
e714bd32 | 298 | int n = c + i; |
28166daf JM |
299 | if(debounced_get(n)) { |
300 | // endstop triggered | |
301 | THEKERNEL->streams->printf("Limit switch %s was hit - reset or M999 required\n", endstop_names[n]); | |
e714bd32 | 302 | this->status = LIMIT_TRIGGERED; |
28166daf JM |
303 | // disables heaters and motors, ignores incoming Gcode and flushes block queue |
304 | THEKERNEL->call_event(ON_HALT, nullptr); | |
305 | return; | |
3c947f85 JM |
306 | } |
307 | } | |
308 | } | |
309 | } | |
310 | } | |
311 | ||
312 | // if limit switches are enabled, then we must move off of the endstop otherwise we won't be able to move | |
5bfcd44a JM |
313 | // checks if triggered and only backs off if triggered |
314 | void Endstops::back_off_home(char axes_to_move) | |
3c947f85 | 315 | { |
e714bd32 | 316 | std::vector<std::pair<char, float>> params; |
3c947f85 | 317 | this->status = BACK_OFF_HOME; |
7f3e6350 JM |
318 | |
319 | // these are handled differently | |
1a6870b3 | 320 | if(is_delta) { |
7f3e6350 | 321 | // Move off of the endstop using a regular relative move in Z only |
e714bd32 | 322 | params.push_back({'Z', this->retract_mm[Z_AXIS] * (this->home_direction[Z_AXIS] ? 1 : -1)}); |
44127aca | 323 | |
e714bd32 | 324 | } else { |
7f3e6350 | 325 | // cartesians, concatenate all the moves we need to do into one gcode |
44127aca JM |
326 | for( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
327 | if( ((axes_to_move >> c ) & 1) == 0) continue; // only for axes we asked to move | |
7f3e6350 JM |
328 | |
329 | // if not triggered no need to move off | |
28166daf | 330 | if(this->limit_enable[c] && debounced_get(c + (this->home_direction[c] ? 0 : 3)) ) { |
e714bd32 | 331 | params.push_back({c + 'X', this->retract_mm[c] * (this->home_direction[c] ? 1 : -1)}); |
44127aca | 332 | } |
3c947f85 JM |
333 | } |
334 | } | |
7f3e6350 JM |
335 | |
336 | if(!params.empty()) { | |
337 | // Move off of the endstop using a regular relative move | |
7c801094 | 338 | params.insert(params.begin(), {'G', 0}); |
7f3e6350 | 339 | // use X slow rate to move, Z should have a max speed set anyway |
e714bd32 | 340 | params.push_back({'F', this->slow_rates[X_AXIS] * 60.0F}); |
7c801094 JM |
341 | char gcode_buf[64]; |
342 | append_parameters(gcode_buf, params, sizeof(gcode_buf)); | |
7f3e6350 | 343 | Gcode gc(gcode_buf, &(StreamOutput::NullStream)); |
e714bd32 JM |
344 | bool oldmode = THEKERNEL->robot->absolute_mode; |
345 | THEKERNEL->robot->absolute_mode = false; // needs to be relative mode | |
7f3e6350 | 346 | THEKERNEL->robot->on_gcode_received(&gc); // send to robot directly |
e714bd32 | 347 | THEKERNEL->robot->absolute_mode = oldmode; // restore mode |
7f3e6350 JM |
348 | // Wait for above to finish |
349 | THEKERNEL->conveyor->wait_for_empty_queue(); | |
350 | } | |
351 | ||
3c947f85 | 352 | this->status = NOT_HOMING; |
a0e0d592 BG |
353 | } |
354 | ||
2b3cedc7 | 355 | // If enabled will move the head to 0,0 after homing, but only if X and Y were set to home |
2ddf75fd | 356 | void Endstops::move_to_origin(char axes_to_move) |
2b3cedc7 | 357 | { |
e714bd32 | 358 | if( (axes_to_move & 0x03) != 3 ) return; // ignore if X and Y not homing |
2b3cedc7 | 359 | |
fafb45df JM |
360 | // Do we need to check if we are already at 0,0? probably not as the G0 will not do anything if we are |
361 | // float pos[3]; THEKERNEL->robot->get_axis_position(pos); if(pos[0] == 0 && pos[1] == 0) return; | |
362 | ||
2ddf75fd | 363 | this->status = MOVE_TO_ORIGIN; |
2b3cedc7 | 364 | // Move to center using a regular move, use slower of X and Y fast rate |
e714bd32 | 365 | float rate = std::min(this->fast_rates[0], this->fast_rates[1]) * 60.0F; |
2b3cedc7 | 366 | char buf[32]; |
e551657a JM |
367 | snprintf(buf, sizeof(buf), "G53 G0 X0 Y0 F%1.4f", rate); // must use machine coordinates in case G92 or WCS is in effect |
368 | struct SerialMessage message; | |
369 | message.message = buf; | |
370 | message.stream = &(StreamOutput::NullStream); | |
371 | THEKERNEL->call_event(ON_CONSOLE_LINE_RECEIVED, &message ); // as it is a multi G code command | |
2b3cedc7 JM |
372 | // Wait for above to finish |
373 | THEKERNEL->conveyor->wait_for_empty_queue(); | |
374 | this->status = NOT_HOMING; | |
375 | } | |
376 | ||
798295c1 | 377 | bool Endstops::wait_for_homed(char axes_to_move) |
33e4cc02 | 378 | { |
a0e0d592 | 379 | bool running = true; |
33e4cc02 JM |
380 | unsigned int debounce[3] = {0, 0, 0}; |
381 | while (running) { | |
a0e0d592 | 382 | running = false; |
314ab8f7 | 383 | THEKERNEL->call_event(ON_IDLE); |
798295c1 JM |
384 | |
385 | // check if on_halt (eg kill) | |
73706276 | 386 | if(THEKERNEL->is_halted()) return false; |
798295c1 | 387 | |
56ce2b5a JM |
388 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
389 | if ( ( axes_to_move >> c ) & 1 ) { | |
390 | if ( this->pins[c + (this->home_direction[c] ? 0 : 3)].get() ) { | |
391 | if ( debounce[c] < debounce_count ) { | |
392 | debounce[c]++; | |
a0e0d592 | 393 | running = true; |
dd0a7cfa JM |
394 | } else if ( STEPPER[c]->is_moving() ) { |
395 | STEPPER[c]->move(0, 0); | |
e714bd32 | 396 | axes_to_move &= ~(1 << c); // no need to check it again |
a0e0d592 | 397 | } |
33e4cc02 | 398 | } else { |
a0e0d592 BG |
399 | // The endstop was not hit yet |
400 | running = true; | |
56ce2b5a | 401 | debounce[c] = 0; |
323cca60 | 402 | } |
a0e0d592 BG |
403 | } |
404 | } | |
405 | } | |
798295c1 | 406 | return true; |
750277f8 | 407 | } |
201bcb94 | 408 | |
81f02e89 | 409 | void Endstops::do_homing_cartesian(char axes_to_move) |
33e4cc02 | 410 | { |
798295c1 | 411 | // check if on_halt (eg kill) |
73706276 | 412 | if(THEKERNEL->is_halted()) return; |
798295c1 | 413 | |
80605954 | 414 | // this homing works for cartesian and delta printers |
f29b0272 | 415 | // Start moving the axes to the origin |
2ddf75fd | 416 | this->status = MOVING_TO_ENDSTOP_FAST; |
56ce2b5a JM |
417 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
418 | if ( ( axes_to_move >> c) & 1 ) { | |
e714bd32 | 419 | this->feed_rate[c] = this->fast_rates[c]; |
6f6677fc | 420 | STEPPER[c]->move(this->home_direction[c], 10000000, 0); |
f29b0272 JM |
421 | } |
422 | } | |
423 | ||
424 | // Wait for all axes to have homed | |
798295c1 | 425 | if(!this->wait_for_homed(axes_to_move)) return; |
f29b0272 JM |
426 | |
427 | // Move back a small distance | |
428 | this->status = MOVING_BACK; | |
429 | bool inverted_dir; | |
56ce2b5a JM |
430 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
431 | if ( ( axes_to_move >> c ) & 1 ) { | |
432 | inverted_dir = !this->home_direction[c]; | |
e714bd32 | 433 | this->feed_rate[c] = this->slow_rates[c]; |
6f6677fc | 434 | STEPPER[c]->move(inverted_dir, this->retract_mm[c]*STEPS_PER_MM(c), 0); |
f29b0272 JM |
435 | } |
436 | } | |
437 | ||
33e4cc02 | 438 | // Wait for moves to be done |
56ce2b5a JM |
439 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
440 | if ( ( axes_to_move >> c ) & 1 ) { | |
dd0a7cfa | 441 | while ( STEPPER[c]->is_moving() ) { |
314ab8f7 | 442 | THEKERNEL->call_event(ON_IDLE); |
ca287785 | 443 | if(THEKERNEL->is_halted()) return; |
f29b0272 JM |
444 | } |
445 | } | |
446 | } | |
447 | ||
448 | // Start moving the axes to the origin slowly | |
2ddf75fd | 449 | this->status = MOVING_TO_ENDSTOP_SLOW; |
56ce2b5a JM |
450 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { |
451 | if ( ( axes_to_move >> c ) & 1 ) { | |
e714bd32 | 452 | this->feed_rate[c] = this->slow_rates[c]; |
6f6677fc | 453 | STEPPER[c]->move(this->home_direction[c], 10000000, 0); |
f29b0272 JM |
454 | } |
455 | } | |
456 | ||
457 | // Wait for all axes to have homed | |
798295c1 | 458 | if(!this->wait_for_homed(axes_to_move)) return; |
f29b0272 JM |
459 | } |
460 | ||
798295c1 | 461 | bool Endstops::wait_for_homed_corexy(int axis) |
33e4cc02 | 462 | { |
3db88866 | 463 | bool running = true; |
33e4cc02 JM |
464 | unsigned int debounce[3] = {0, 0, 0}; |
465 | while (running) { | |
3db88866 | 466 | running = false; |
314ab8f7 | 467 | THEKERNEL->call_event(ON_IDLE); |
798295c1 JM |
468 | |
469 | // check if on_halt (eg kill) | |
73706276 | 470 | if(THEKERNEL->is_halted()) return false; |
798295c1 | 471 | |
33e4cc02 JM |
472 | if ( this->pins[axis + (this->home_direction[axis] ? 0 : 3)].get() ) { |
473 | if ( debounce[axis] < debounce_count ) { | |
3db88866 JM |
474 | debounce[axis] ++; |
475 | running = true; | |
476 | } else { | |
477 | // turn both off if running | |
dd0a7cfa JM |
478 | if (STEPPER[X_AXIS]->is_moving()) STEPPER[X_AXIS]->move(0, 0); |
479 | if (STEPPER[Y_AXIS]->is_moving()) STEPPER[Y_AXIS]->move(0, 0); | |
3db88866 | 480 | } |
33e4cc02 | 481 | } else { |
3db88866 JM |
482 | // The endstop was not hit yet |
483 | running = true; | |
484 | debounce[axis] = 0; | |
485 | } | |
486 | } | |
798295c1 | 487 | return true; |
3db88866 JM |
488 | } |
489 | ||
1ad23cd3 | 490 | void Endstops::corexy_home(int home_axis, bool dirx, bool diry, float fast_rate, float slow_rate, unsigned int retract_steps) |
33e4cc02 | 491 | { |
798295c1 | 492 | // check if on_halt (eg kill) |
73706276 | 493 | if(THEKERNEL->is_halted()) return; |
798295c1 | 494 | |
2ddf75fd | 495 | this->status = MOVING_TO_ENDSTOP_FAST; |
e714bd32 | 496 | this->feed_rate[X_AXIS] = fast_rate; |
6f6677fc | 497 | STEPPER[X_AXIS]->move(dirx, 10000000, 0); |
e714bd32 | 498 | this->feed_rate[Y_AXIS] = fast_rate; |
6f6677fc | 499 | STEPPER[Y_AXIS]->move(diry, 10000000, 0); |
f29b0272 | 500 | |
33e4cc02 | 501 | // wait for primary axis |
798295c1 | 502 | if(!this->wait_for_homed_corexy(home_axis)) return; |
f29b0272 | 503 | |
33e4cc02 JM |
504 | // Move back a small distance |
505 | this->status = MOVING_BACK; | |
e714bd32 | 506 | this->feed_rate[X_AXIS] = slow_rate; |
6f6677fc | 507 | STEPPER[X_AXIS]->move(!dirx, retract_steps, 0); |
e714bd32 | 508 | this->feed_rate[Y_AXIS] = slow_rate; |
6f6677fc | 509 | STEPPER[Y_AXIS]->move(!diry, retract_steps, 0); |
33e4cc02 JM |
510 | |
511 | // wait until done | |
dd0a7cfa | 512 | while ( STEPPER[X_AXIS]->is_moving() || STEPPER[Y_AXIS]->is_moving()) { |
314ab8f7 | 513 | THEKERNEL->call_event(ON_IDLE); |
ca287785 | 514 | if(THEKERNEL->is_halted()) return; |
f29b0272 JM |
515 | } |
516 | ||
33e4cc02 | 517 | // Start moving the axes to the origin slowly |
2ddf75fd | 518 | this->status = MOVING_TO_ENDSTOP_SLOW; |
e714bd32 | 519 | this->feed_rate[X_AXIS] = slow_rate; |
6f6677fc | 520 | STEPPER[X_AXIS]->move(dirx, 10000000, 0); |
e714bd32 | 521 | this->feed_rate[Y_AXIS] = slow_rate; |
6f6677fc | 522 | STEPPER[Y_AXIS]->move(diry, 10000000, 0); |
f29b0272 | 523 | |
33e4cc02 | 524 | // wait for primary axis |
798295c1 | 525 | if(!this->wait_for_homed_corexy(home_axis)) return; |
33e4cc02 | 526 | } |
f29b0272 | 527 | |
33e4cc02 JM |
528 | // this homing works for HBots/CoreXY |
529 | void Endstops::do_homing_corexy(char axes_to_move) | |
530 | { | |
03dffc07 | 531 | // TODO should really make order configurable, and select whether to allow XY to home at the same time, diagonally |
174d9961 | 532 | // 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 | 533 | // allow to move until an endstop triggers, then stop that motor. Speed up when moving diagonally to match X or Y speed |
174d9961 | 534 | // continue moving in the direction not yet triggered (which means two motors turning) until endstop hit |
174d9961 JM |
535 | |
536 | if((axes_to_move & 0x03) == 0x03) { // both X and Y need Homing | |
537 | // determine which motor to turn and which way | |
e714bd32 JM |
538 | bool dirx = this->home_direction[X_AXIS]; |
539 | bool diry = this->home_direction[Y_AXIS]; | |
174d9961 JM |
540 | int motor; |
541 | bool dir; | |
542 | if(dirx && diry) { // min/min | |
e714bd32 JM |
543 | motor = X_AXIS; |
544 | dir = true; | |
545 | } else if(dirx && !diry) { // min/max | |
546 | motor = Y_AXIS; | |
547 | dir = true; | |
548 | } else if(!dirx && diry) { // max/min | |
549 | motor = Y_AXIS; | |
550 | dir = false; | |
551 | } else if(!dirx && !diry) { // max/max | |
552 | motor = X_AXIS; | |
553 | dir = false; | |
174d9961 JM |
554 | } |
555 | ||
556 | // then move both X and Y until one hits the endstop | |
2ddf75fd | 557 | this->status = MOVING_TO_ENDSTOP_FAST; |
e714bd32 JM |
558 | // need to allow for more ground covered when moving diagonally |
559 | this->feed_rate[motor] = this->fast_rates[motor] * 1.4142; | |
6f6677fc | 560 | STEPPER[motor]->move(dir, 10000000, 0); |
174d9961 | 561 | // wait until either X or Y hits the endstop |
e714bd32 | 562 | bool running = true; |
174d9961 | 563 | while (running) { |
314ab8f7 | 564 | THEKERNEL->call_event(ON_IDLE); |
ca287785 | 565 | if(THEKERNEL->is_halted()) return; |
e714bd32 | 566 | for(int m = X_AXIS; m <= Y_AXIS; m++) { |
174d9961 JM |
567 | if(this->pins[m + (this->home_direction[m] ? 0 : 3)].get()) { |
568 | // turn off motor | |
dd0a7cfa | 569 | if(STEPPER[motor]->is_moving()) STEPPER[motor]->move(0, 0); |
e714bd32 | 570 | running = false; |
174d9961 JM |
571 | break; |
572 | } | |
573 | } | |
574 | } | |
575 | } | |
33e4cc02 | 576 | |
174d9961 | 577 | // move individual axis |
33e4cc02 | 578 | if (axes_to_move & 0x01) { // Home X, which means both X and Y in same direction |
e714bd32 | 579 | bool dir = this->home_direction[X_AXIS]; |
56ce2b5a | 580 | 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 |
581 | } |
582 | ||
65191d91 | 583 | if (axes_to_move & 0x02) { // Home Y, which means both X and Y in different directions |
e714bd32 | 584 | bool dir = this->home_direction[Y_AXIS]; |
56ce2b5a | 585 | 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 |
586 | } |
587 | ||
33e4cc02 | 588 | if (axes_to_move & 0x04) { // move Z |
81f02e89 | 589 | do_homing_cartesian(0x04); // just home normally for Z |
f29b0272 | 590 | } |
f29b0272 JM |
591 | } |
592 | ||
81f02e89 JM |
593 | void Endstops::home(char axes_to_move) |
594 | { | |
72833629 JM |
595 | // not a block move so disable the last tick setting |
596 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { | |
597 | STEPPER[c]->set_moved_last_block(false); | |
598 | } | |
599 | ||
e714bd32 | 600 | if (is_corexy) { |
81f02e89 JM |
601 | // corexy/HBot homing |
602 | do_homing_corexy(axes_to_move); | |
e714bd32 | 603 | } else { |
81f02e89 JM |
604 | // cartesian/delta homing |
605 | do_homing_cartesian(axes_to_move); | |
606 | } | |
0058d8d4 JM |
607 | |
608 | // make sure all steppers are off (especially if aborted) | |
609 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { | |
610 | STEPPER[c]->move(0, 0); | |
611 | } | |
ca287785 | 612 | this->status = NOT_HOMING; |
81f02e89 JM |
613 | } |
614 | ||
201bcb94 | 615 | // Start homing sequences by response to GCode commands |
33e4cc02 | 616 | void Endstops::on_gcode_received(void *argument) |
c339d634 | 617 | { |
33e4cc02 | 618 | Gcode *gcode = static_cast<Gcode *>(argument); |
e714bd32 JM |
619 | if ( gcode->has_g && gcode->g == 28) { |
620 | if( (gcode->subcode == 0 && THEKERNEL->is_grbl_mode()) || (gcode->subcode == 2 && !THEKERNEL->is_grbl_mode()) ) { | |
621 | // G28 in grbl mode or G28.2 in normal mode will do a rapid to the predefined position | |
622 | // TODO spec says if XYZ specified move to them first then move to MCS of specifed axis | |
623 | char buf[32]; | |
624 | snprintf(buf, sizeof(buf), "G53 G0 X%f Y%f", saved_position[X_AXIS], saved_position[Y_AXIS]); // must use machine coordinates in case G92 or WCS is in effect | |
625 | struct SerialMessage message; | |
626 | message.message = buf; | |
627 | message.stream = &(StreamOutput::NullStream); | |
628 | THEKERNEL->call_event(ON_CONSOLE_LINE_RECEIVED, &message ); // as it is a multi G code command | |
629 | return; | |
630 | ||
631 | } else if(THEKERNEL->is_grbl_mode() && gcode->subcode == 2) { // G28.2 in grbl mode forces homing (triggered by $H) | |
632 | // fall through so it does homing cycle | |
633 | ||
634 | } else if(gcode->subcode == 1) { // G28.1 set pre defined position | |
635 | // saves current position in absolute machine coordinates | |
636 | THEKERNEL->robot->get_axis_position(saved_position); | |
637 | return; | |
638 | ||
639 | } else if(gcode->subcode == 3) { // G28.3 is a smoothie special it sets manual homing | |
640 | if(gcode->get_num_args() == 0) { | |
641 | THEKERNEL->robot->reset_axis_position(0, 0, 0); | |
642 | } else { | |
643 | // do a manual homing based on current position, no endstops required | |
644 | if(gcode->has_letter('X')) THEKERNEL->robot->reset_axis_position(gcode->get_value('X'), X_AXIS); | |
645 | if(gcode->has_letter('Y')) THEKERNEL->robot->reset_axis_position(gcode->get_value('Y'), Y_AXIS); | |
646 | if(gcode->has_letter('Z')) THEKERNEL->robot->reset_axis_position(gcode->get_value('Z'), Z_AXIS); | |
cbf7b053 | 647 | } |
e714bd32 | 648 | return; |
6e92ab91 | 649 | |
e714bd32 JM |
650 | } else if(THEKERNEL->is_grbl_mode()) { |
651 | gcode->stream->printf("error:Unsupported command\n"); | |
652 | return; | |
653 | } | |
201bcb94 | 654 | |
e714bd32 | 655 | // G28 is received, we have homing to do |
201bcb94 | 656 | |
e714bd32 JM |
657 | // First wait for the queue to be empty |
658 | THEKERNEL->conveyor->wait_for_empty_queue(); | |
47bbe224 | 659 | |
e714bd32 JM |
660 | // Do we move select axes or all of them |
661 | char axes_to_move = 0; | |
662 | // only enable homing if the endstop is defined, deltas, scaras always home all axis | |
663 | bool home_all = this->is_delta || this->is_scara || !( gcode->has_letter('X') || gcode->has_letter('Y') || gcode->has_letter('Z') ); | |
664 | ||
665 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { | |
666 | if ( (home_all || gcode->has_letter(c + 'X')) && this->pins[c + (this->home_direction[c] ? 0 : 3)].connected() ) { | |
667 | axes_to_move += ( 1 << c ); | |
df27a6a3 | 668 | } |
e714bd32 | 669 | } |
3b948656 | 670 | |
e714bd32 JM |
671 | // Enable the motors |
672 | THEKERNEL->stepper->turn_enable_pins_on(); | |
673 | ||
674 | // do the actual homing | |
675 | if(homing_order != 0) { | |
676 | // if an order has been specified do it in the specified order | |
677 | // homing order is 0b00ccbbaa where aa is 0,1,2 to specify the first axis, bb is the second and cc is the third | |
678 | // eg 0b00100001 would be Y X Z, 0b00100100 would be X Y Z | |
679 | for (uint8_t m = homing_order; m != 0; m >>= 2) { | |
680 | int a = (1 << (m & 0x03)); // axis to move | |
681 | if((a & axes_to_move) != 0) { | |
682 | home(a); | |
80605954 | 683 | } |
e714bd32 JM |
684 | // check if on_halt (eg kill) |
685 | if(THEKERNEL->is_halted()) break; | |
80605954 | 686 | } |
3ffe27fb | 687 | |
e714bd32 JM |
688 | } else { |
689 | // they all home at the same time | |
690 | home(axes_to_move); | |
691 | } | |
692 | ||
693 | // check if on_halt (eg kill) | |
694 | if(THEKERNEL->is_halted()) { | |
07186543 JM |
695 | if(!THEKERNEL->is_grbl_mode()) { |
696 | THEKERNEL->streams->printf("Homing cycle aborted by kill\n"); | |
697 | } | |
e714bd32 JM |
698 | return; |
699 | } | |
798295c1 | 700 | |
e714bd32 JM |
701 | if(home_all) { |
702 | // Here's where we would have been if the endstops were perfectly trimmed | |
703 | float ideal_position[3] = { | |
704 | this->homing_position[X_AXIS] + this->home_offset[X_AXIS], | |
705 | this->homing_position[Y_AXIS] + this->home_offset[Y_AXIS], | |
706 | this->homing_position[Z_AXIS] + this->home_offset[Z_AXIS] | |
707 | }; | |
708 | ||
709 | bool has_endstop_trim = this->is_delta || this->is_scara; | |
710 | if (has_endstop_trim) { | |
711 | ActuatorCoordinates ideal_actuator_position; | |
712 | THEKERNEL->robot->arm_solution->cartesian_to_actuator(ideal_position, ideal_actuator_position); | |
713 | ||
714 | // We are actually not at the ideal position, but a trim away | |
715 | ActuatorCoordinates real_actuator_position = { | |
716 | ideal_actuator_position[X_AXIS] - this->trim_mm[X_AXIS], | |
717 | ideal_actuator_position[Y_AXIS] - this->trim_mm[Y_AXIS], | |
718 | ideal_actuator_position[Z_AXIS] - this->trim_mm[Z_AXIS] | |
7552475b OL |
719 | }; |
720 | ||
e714bd32 JM |
721 | float real_position[3]; |
722 | THEKERNEL->robot->arm_solution->actuator_to_cartesian(real_actuator_position, real_position); | |
723 | // Reset the actuator positions to correspond our real position | |
724 | THEKERNEL->robot->reset_axis_position(real_position[0], real_position[1], real_position[2]); | |
7552475b | 725 | } else { |
e714bd32 JM |
726 | // without endstop trim, real_position == ideal_position |
727 | // Reset the actuator positions to correspond our real position | |
728 | THEKERNEL->robot->reset_axis_position(ideal_position[0], ideal_position[1], ideal_position[2]); | |
729 | } | |
730 | } else { | |
731 | // Zero the ax(i/e)s position, add in the home offset | |
732 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { | |
733 | if ( (axes_to_move >> c) & 1 ) { | |
734 | THEKERNEL->robot->reset_axis_position(this->homing_position[c] + this->home_offset[c], c); | |
3ffe27fb AV |
735 | } |
736 | } | |
e714bd32 | 737 | } |
3c947f85 | 738 | |
e714bd32 JM |
739 | // on some systems where 0,0 is bed center it is nice to have home goto 0,0 after homing |
740 | // default is off for cartesian on for deltas | |
741 | if(!is_delta) { | |
742 | if(this->move_to_origin_after_home) move_to_origin(axes_to_move); | |
743 | // if limit switches are enabled we must back off endstop after setting home | |
744 | back_off_home(axes_to_move); | |
745 | ||
746 | } else if(this->move_to_origin_after_home || this->limit_enable[X_AXIS]) { | |
747 | // deltas are not left at 0,0 because of the trim settings, so move to 0,0 if requested, but we need to back off endstops first | |
748 | // also need to back off endstops if limits are enabled | |
749 | back_off_home(axes_to_move); | |
750 | if(this->move_to_origin_after_home) move_to_origin(axes_to_move); | |
c339d634 | 751 | } |
e714bd32 | 752 | } |
81f02e89 | 753 | |
e714bd32 | 754 | if (gcode->has_m) { |
33e4cc02 JM |
755 | switch (gcode->m) { |
756 | case 119: { | |
ef7bd372 JM |
757 | for (int i = 0; i < 6; ++i) { |
758 | if(this->pins[i].connected()) | |
759 | gcode->stream->printf("%s:%d ", endstop_names[i], this->pins[i].get()); | |
760 | } | |
e714bd32 | 761 | gcode->add_nl = true; |
6e92ab91 | 762 | |
33e4cc02 JM |
763 | } |
764 | break; | |
765 | ||
766 | case 206: // M206 - set homing offset | |
504f0e3e JM |
767 | if (gcode->has_letter('X')) home_offset[0] = gcode->get_value('X'); |
768 | if (gcode->has_letter('Y')) home_offset[1] = gcode->get_value('Y'); | |
769 | if (gcode->has_letter('Z')) home_offset[2] = gcode->get_value('Z'); | |
770 | gcode->stream->printf("X %5.3f Y %5.3f Z %5.3f\n", home_offset[0], home_offset[1], home_offset[2]); | |
6e92ab91 | 771 | |
504f0e3e | 772 | break; |
0e4bf280 | 773 | |
e714bd32 JM |
774 | case 306: { // Similar to M206 and G92 but sets Homing offsets based on current position |
775 | float cartesian[3]; | |
776 | THEKERNEL->robot->get_axis_position(cartesian); // get actual position from robot | |
777 | if (gcode->has_letter('X')) { | |
778 | home_offset[0] -= (cartesian[X_AXIS] - gcode->get_value('X')); | |
779 | THEKERNEL->robot->reset_axis_position(gcode->get_value('X'), X_AXIS); | |
780 | } | |
781 | if (gcode->has_letter('Y')) { | |
782 | home_offset[1] -= (cartesian[Y_AXIS] - gcode->get_value('Y')); | |
783 | THEKERNEL->robot->reset_axis_position(gcode->get_value('Y'), Y_AXIS); | |
784 | } | |
785 | if (gcode->has_letter('Z')) { | |
786 | home_offset[2] -= (cartesian[Z_AXIS] - gcode->get_value('Z')); | |
787 | THEKERNEL->robot->reset_axis_position(gcode->get_value('Z'), Z_AXIS); | |
788 | } | |
9ae8c7e4 | 789 | |
e714bd32 | 790 | gcode->stream->printf("Homing Offset: X %5.3f Y %5.3f Z %5.3f\n", home_offset[0], home_offset[1], home_offset[2]); |
6e92ab91 | 791 | |
e714bd32 JM |
792 | } |
793 | break; | |
33e4cc02 JM |
794 | |
795 | case 500: // save settings | |
796 | case 503: // print settings | |
797 | 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]); | |
d0280b9d | 798 | if (this->is_delta || this->is_scara) { |
56ce2b5a JM |
799 | 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]); |
800 | gcode->stream->printf(";Max Z\nM665 Z%1.3f\n", this->homing_position[2]); | |
7a8fe6e0 | 801 | } |
e714bd32 JM |
802 | if(saved_position[X_AXIS] != 0 || saved_position[Y_AXIS] != 0) { |
803 | gcode->stream->printf(";predefined position:\nG28.1 X%1.4f Y%1.4f Z%1.4f\n", saved_position[X_AXIS], saved_position[Y_AXIS], saved_position[Z_AXIS]); | |
804 | } | |
c339d634 | 805 | break; |
47bbe224 | 806 | |
ec4773e5 | 807 | case 665: { // M665 - set max gamma/z height |
6e92ab91 | 808 | |
1ad23cd3 | 809 | float gamma_max = this->homing_position[2]; |
33e4cc02 JM |
810 | if (gcode->has_letter('Z')) { |
811 | this->homing_position[2] = gamma_max = gcode->get_value('Z'); | |
ec4773e5 | 812 | } |
33e4cc02 JM |
813 | gcode->stream->printf("Max Z %8.3f ", gamma_max); |
814 | gcode->add_nl = true; | |
815 | } | |
816 | break; | |
ec4773e5 | 817 | |
47bbe224 | 818 | |
56ce2b5a | 819 | case 666: |
3e1f5b74 | 820 | if(this->is_delta || this->is_scara) { // M666 - set trim for each axis in mm, NB negative mm trim is down |
56ce2b5a JM |
821 | if (gcode->has_letter('X')) trim_mm[0] = gcode->get_value('X'); |
822 | if (gcode->has_letter('Y')) trim_mm[1] = gcode->get_value('Y'); | |
823 | if (gcode->has_letter('Z')) trim_mm[2] = gcode->get_value('Z'); | |
47bbe224 | 824 | |
56ce2b5a JM |
825 | // print the current trim values in mm |
826 | gcode->stream->printf("X: %5.3f Y: %5.3f Z: %5.3f\n", trim_mm[0], trim_mm[1], trim_mm[2]); | |
6e92ab91 | 827 | |
56ce2b5a | 828 | } |
e714bd32 | 829 | break; |
47bbe224 | 830 | |
d4ee6ee2 | 831 | // NOTE this is to test accuracy of lead screws etc. |
fc320ac5 | 832 | case 1910: { // M1910 - move specific number of raw steps |
b023850b JM |
833 | if(gcode->subcode == 0) { |
834 | // Enable the motors | |
835 | THEKERNEL->stepper->turn_enable_pins_on(); | |
836 | ||
e714bd32 | 837 | int x = 0, y = 0 , z = 0, f = 200 * 16; |
b023850b JM |
838 | if (gcode->has_letter('F')) f = gcode->get_value('F'); |
839 | if (gcode->has_letter('X')) { | |
840 | x = gcode->get_value('X'); | |
e714bd32 | 841 | STEPPER[X_AXIS]->move(x < 0, abs(x), f); |
b023850b JM |
842 | } |
843 | if (gcode->has_letter('Y')) { | |
844 | y = gcode->get_value('Y'); | |
e714bd32 | 845 | STEPPER[Y_AXIS]->move(y < 0, abs(y), f); |
b023850b JM |
846 | } |
847 | if (gcode->has_letter('Z')) { | |
848 | z = gcode->get_value('Z'); | |
e714bd32 | 849 | STEPPER[Z_AXIS]->move(z < 0, abs(z), f); |
b023850b JM |
850 | } |
851 | gcode->stream->printf("Moving X %d Y %d Z %d steps at F %d steps/sec\n", x, y, z, f); | |
852 | ||
e714bd32 | 853 | } else if(gcode->subcode == 1) { |
b023850b JM |
854 | // stop any that are moving |
855 | for (int i = 0; i < 3; ++i) { | |
e714bd32 JM |
856 | if(STEPPER[i]->is_moving()) STEPPER[i]->move(0, 0); |
857 | } | |
d4ee6ee2 | 858 | } |
d4ee6ee2 JM |
859 | break; |
860 | } | |
201bcb94 AW |
861 | } |
862 | } | |
863 | } | |
864 | ||
64eaf21e | 865 | // Called periodically to change the speed to match acceleration |
a157d099 | 866 | void Endstops::acceleration_tick(void) |
64eaf21e | 867 | { |
a157d099 | 868 | if(this->status >= NOT_HOMING) return; // nothing to do, only do this when moving for homing sequence |
64eaf21e JM |
869 | |
870 | // foreach stepper that is moving | |
871 | for ( int c = X_AXIS; c <= Z_AXIS; c++ ) { | |
dd0a7cfa | 872 | if( !STEPPER[c]->is_moving() ) continue; |
64eaf21e | 873 | |
dd0a7cfa | 874 | uint32_t current_rate = STEPPER[c]->get_steps_per_second(); |
e714bd32 JM |
875 | uint32_t target_rate = floorf(this->feed_rate[c] * STEPS_PER_MM(c)); |
876 | float acc = (c == Z_AXIS) ? THEKERNEL->planner->get_z_acceleration() : THEKERNEL->planner->get_acceleration(); | |
877 | if( current_rate < target_rate ) { | |
878 | uint32_t rate_increase = floorf((acc / THEKERNEL->acceleration_ticks_per_second) * STEPS_PER_MM(c)); | |
64eaf21e JM |
879 | current_rate = min( target_rate, current_rate + rate_increase ); |
880 | } | |
e714bd32 | 881 | if( current_rate > target_rate ) { current_rate = target_rate; } |
64eaf21e JM |
882 | |
883 | // steps per second | |
6f6677fc | 884 | STEPPER[c]->set_speed(current_rate); |
64eaf21e JM |
885 | } |
886 | ||
a157d099 | 887 | return; |
64eaf21e | 888 | } |
9f6f04a5 | 889 | |
e714bd32 JM |
890 | void Endstops::on_get_public_data(void* argument) |
891 | { | |
9f6f04a5 JM |
892 | PublicDataRequest* pdr = static_cast<PublicDataRequest*>(argument); |
893 | ||
894 | if(!pdr->starts_with(endstops_checksum)) return; | |
895 | ||
896 | if(pdr->second_element_is(trim_checksum)) { | |
86fa0b93 | 897 | pdr->set_data_ptr(&this->trim_mm); |
ea5c6d92 JM |
898 | pdr->set_taken(); |
899 | ||
e714bd32 | 900 | } else if(pdr->second_element_is(home_offset_checksum)) { |
86fa0b93 | 901 | pdr->set_data_ptr(&this->home_offset); |
9f6f04a5 | 902 | pdr->set_taken(); |
e714bd32 JM |
903 | |
904 | } else if(pdr->second_element_is(saved_position_checksum)) { | |
905 | pdr->set_data_ptr(&this->saved_position); | |
906 | pdr->set_taken(); | |
07186543 JM |
907 | |
908 | } else if(pdr->second_element_is(get_homing_status_checksum)) { | |
909 | bool *homing= static_cast<bool *>(pdr->get_data_ptr()); | |
910 | *homing= this->status != NOT_HOMING; | |
911 | pdr->set_taken(); | |
9f6f04a5 JM |
912 | } |
913 | } | |
7d6fe308 | 914 | |
e714bd32 JM |
915 | void Endstops::on_set_public_data(void* argument) |
916 | { | |
7d6fe308 JM |
917 | PublicDataRequest* pdr = static_cast<PublicDataRequest*>(argument); |
918 | ||
919 | if(!pdr->starts_with(endstops_checksum)) return; | |
920 | ||
921 | if(pdr->second_element_is(trim_checksum)) { | |
e714bd32 JM |
922 | float *t = static_cast<float*>(pdr->get_data_ptr()); |
923 | this->trim_mm[0] = t[0]; | |
924 | this->trim_mm[1] = t[1]; | |
925 | this->trim_mm[2] = t[2]; | |
7d6fe308 | 926 | pdr->set_taken(); |
ea5c6d92 | 927 | |
e714bd32 JM |
928 | } else if(pdr->second_element_is(home_offset_checksum)) { |
929 | float *t = static_cast<float*>(pdr->get_data_ptr()); | |
930 | if(!isnan(t[0])) this->home_offset[0] = t[0]; | |
931 | if(!isnan(t[1])) this->home_offset[1] = t[1]; | |
932 | if(!isnan(t[2])) this->home_offset[2] = t[2]; | |
7d6fe308 JM |
933 | } |
934 | } |