My Marlin configs for Fabrikator Mini and CTC i3 Pro B
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endstops.cpp 13KB

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  1. /**
  2. * Marlin 3D Printer Firmware
  3. * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  4. *
  5. * Based on Sprinter and grbl.
  6. * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
  7. *
  8. * This program is free software: you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation, either version 3 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  20. *
  21. */
  22. /**
  23. * endstops.cpp - A singleton object to manage endstops
  24. */
  25. #include "Marlin.h"
  26. #include "cardreader.h"
  27. #include "endstops.h"
  28. #include "temperature.h"
  29. #include "stepper.h"
  30. #include "ultralcd.h"
  31. // TEST_ENDSTOP: test the old and the current status of an endstop
  32. #define TEST_ENDSTOP(ENDSTOP) (TEST(current_endstop_bits & old_endstop_bits, ENDSTOP))
  33. Endstops endstops;
  34. // public:
  35. bool Endstops::enabled = true,
  36. Endstops::enabled_globally =
  37. #if ENABLED(ENDSTOPS_ALWAYS_ON_DEFAULT)
  38. (true)
  39. #else
  40. (false)
  41. #endif
  42. ;
  43. volatile char Endstops::endstop_hit_bits; // use X_MIN, Y_MIN, Z_MIN and Z_MIN_PROBE as BIT value
  44. #if ENABLED(Z_DUAL_ENDSTOPS)
  45. uint16_t
  46. #else
  47. byte
  48. #endif
  49. Endstops::current_endstop_bits = 0,
  50. Endstops::old_endstop_bits = 0;
  51. #if HAS_BED_PROBE
  52. volatile bool Endstops::z_probe_enabled = false;
  53. #endif
  54. /**
  55. * Class and Instance Methods
  56. */
  57. void Endstops::init() {
  58. #if HAS_X_MIN
  59. #if ENABLED(ENDSTOPPULLUP_XMIN)
  60. SET_INPUT_PULLUP(X_MIN_PIN);
  61. #else
  62. SET_INPUT(X_MIN_PIN);
  63. #endif
  64. #endif
  65. #if HAS_Y_MIN
  66. #if ENABLED(ENDSTOPPULLUP_YMIN)
  67. SET_INPUT_PULLUP(Y_MIN_PIN);
  68. #else
  69. SET_INPUT(Y_MIN_PIN);
  70. #endif
  71. #endif
  72. #if HAS_Z_MIN
  73. #if ENABLED(ENDSTOPPULLUP_ZMIN)
  74. SET_INPUT_PULLUP(Z_MIN_PIN);
  75. #else
  76. SET_INPUT(Z_MIN_PIN);
  77. #endif
  78. #endif
  79. #if HAS_Z2_MIN
  80. #if ENABLED(ENDSTOPPULLUP_ZMIN)
  81. SET_INPUT_PULLUP(Z2_MIN_PIN);
  82. #else
  83. SET_INPUT(Z2_MIN_PIN);
  84. #endif
  85. #endif
  86. #if HAS_X_MAX
  87. #if ENABLED(ENDSTOPPULLUP_XMAX)
  88. SET_INPUT_PULLUP(X_MAX_PIN);
  89. #else
  90. SET_INPUT(X_MAX_PIN);
  91. #endif
  92. #endif
  93. #if HAS_Y_MAX
  94. #if ENABLED(ENDSTOPPULLUP_YMAX)
  95. SET_INPUT_PULLUP(Y_MAX_PIN);
  96. #else
  97. SET_INPUT(Y_MAX_PIN);
  98. #endif
  99. #endif
  100. #if HAS_Z_MAX
  101. #if ENABLED(ENDSTOPPULLUP_ZMAX)
  102. SET_INPUT_PULLUP(Z_MAX_PIN);
  103. #else
  104. SET_INPUT(Z_MAX_PIN);
  105. #endif
  106. #endif
  107. #if HAS_Z2_MAX
  108. #if ENABLED(ENDSTOPPULLUP_ZMAX)
  109. SET_INPUT_PULLUP(Z2_MAX_PIN);
  110. #else
  111. SET_INPUT(Z2_MAX_PIN);
  112. #endif
  113. #endif
  114. #if ENABLED(Z_MIN_PROBE_ENDSTOP)
  115. #if ENABLED(ENDSTOPPULLUP_ZMIN_PROBE)
  116. SET_INPUT_PULLUP(Z_MIN_PROBE_PIN);
  117. #else
  118. SET_INPUT(Z_MIN_PROBE_PIN);
  119. #endif
  120. #endif
  121. } // Endstops::init
  122. void Endstops::report_state() {
  123. if (endstop_hit_bits) {
  124. #if ENABLED(ULTRA_LCD)
  125. char chrX = ' ', chrY = ' ', chrZ = ' ', chrP = ' ';
  126. #define _SET_STOP_CHAR(A,C) (chr## A = C)
  127. #else
  128. #define _SET_STOP_CHAR(A,C) ;
  129. #endif
  130. #define _ENDSTOP_HIT_ECHO(A,C) do{ \
  131. SERIAL_ECHOPAIR(" " STRINGIFY(A) ":", stepper.triggered_position_mm(A ##_AXIS)); \
  132. _SET_STOP_CHAR(A,C); }while(0)
  133. #define _ENDSTOP_HIT_TEST(A,C) \
  134. if (TEST(endstop_hit_bits, A ##_MIN) || TEST(endstop_hit_bits, A ##_MAX)) \
  135. _ENDSTOP_HIT_ECHO(A,C)
  136. SERIAL_ECHO_START;
  137. SERIAL_ECHOPGM(MSG_ENDSTOPS_HIT);
  138. _ENDSTOP_HIT_TEST(X, 'X');
  139. _ENDSTOP_HIT_TEST(Y, 'Y');
  140. _ENDSTOP_HIT_TEST(Z, 'Z');
  141. #if ENABLED(Z_MIN_PROBE_ENDSTOP)
  142. #define P_AXIS Z_AXIS
  143. if (TEST(endstop_hit_bits, Z_MIN_PROBE)) _ENDSTOP_HIT_ECHO(P, 'P');
  144. #endif
  145. SERIAL_EOL;
  146. #if ENABLED(ULTRA_LCD)
  147. lcd_status_printf_P(0, PSTR(MSG_LCD_ENDSTOPS " %c %c %c %c"), chrX, chrY, chrZ, chrP);
  148. #endif
  149. hit_on_purpose();
  150. #if ENABLED(ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED) && ENABLED(SDSUPPORT)
  151. if (stepper.abort_on_endstop_hit) {
  152. card.sdprinting = false;
  153. card.closefile();
  154. quickstop_stepper();
  155. thermalManager.disable_all_heaters(); // switch off all heaters.
  156. }
  157. #endif
  158. }
  159. } // Endstops::report_state
  160. void Endstops::M119() {
  161. SERIAL_PROTOCOLLNPGM(MSG_M119_REPORT);
  162. #if HAS_X_MIN
  163. SERIAL_PROTOCOLPGM(MSG_X_MIN);
  164. SERIAL_PROTOCOLLN(((READ(X_MIN_PIN)^X_MIN_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  165. #endif
  166. #if HAS_X_MAX
  167. SERIAL_PROTOCOLPGM(MSG_X_MAX);
  168. SERIAL_PROTOCOLLN(((READ(X_MAX_PIN)^X_MAX_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  169. #endif
  170. #if HAS_Y_MIN
  171. SERIAL_PROTOCOLPGM(MSG_Y_MIN);
  172. SERIAL_PROTOCOLLN(((READ(Y_MIN_PIN)^Y_MIN_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  173. #endif
  174. #if HAS_Y_MAX
  175. SERIAL_PROTOCOLPGM(MSG_Y_MAX);
  176. SERIAL_PROTOCOLLN(((READ(Y_MAX_PIN)^Y_MAX_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  177. #endif
  178. #if HAS_Z_MIN
  179. SERIAL_PROTOCOLPGM(MSG_Z_MIN);
  180. SERIAL_PROTOCOLLN(((READ(Z_MIN_PIN)^Z_MIN_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  181. #endif
  182. #if HAS_Z2_MIN
  183. SERIAL_PROTOCOLPGM(MSG_Z2_MIN);
  184. SERIAL_PROTOCOLLN(((READ(Z2_MIN_PIN)^Z2_MIN_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  185. #endif
  186. #if HAS_Z_MAX
  187. SERIAL_PROTOCOLPGM(MSG_Z_MAX);
  188. SERIAL_PROTOCOLLN(((READ(Z_MAX_PIN)^Z_MAX_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  189. #endif
  190. #if HAS_Z2_MAX
  191. SERIAL_PROTOCOLPGM(MSG_Z2_MAX);
  192. SERIAL_PROTOCOLLN(((READ(Z2_MAX_PIN)^Z2_MAX_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  193. #endif
  194. #if ENABLED(Z_MIN_PROBE_ENDSTOP)
  195. SERIAL_PROTOCOLPGM(MSG_Z_PROBE);
  196. SERIAL_PROTOCOLLN(((READ(Z_MIN_PROBE_PIN)^Z_MIN_PROBE_ENDSTOP_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  197. #endif
  198. #if ENABLED(FILAMENT_RUNOUT_SENSOR)
  199. SERIAL_PROTOCOLPGM(MSG_FILAMENT_RUNOUT_SENSOR);
  200. SERIAL_PROTOCOLLN(((READ(FIL_RUNOUT_PIN)^FIL_RUNOUT_INVERTING) ? MSG_ENDSTOP_HIT : MSG_ENDSTOP_OPEN));
  201. #endif
  202. } // Endstops::M119
  203. #if ENABLED(Z_DUAL_ENDSTOPS)
  204. // Pass the result of the endstop test
  205. void Endstops::test_dual_z_endstops(const EndstopEnum es1, const EndstopEnum es2) {
  206. byte z_test = TEST_ENDSTOP(es1) | (TEST_ENDSTOP(es2) << 1); // bit 0 for Z, bit 1 for Z2
  207. if (z_test && stepper.current_block->steps[Z_AXIS] > 0) {
  208. SBI(endstop_hit_bits, Z_MIN);
  209. if (!stepper.performing_homing || (z_test == 0x3)) //if not performing home or if both endstops were trigged during homing...
  210. stepper.kill_current_block();
  211. }
  212. }
  213. #endif
  214. // Check endstops - Called from ISR!
  215. void Endstops::update() {
  216. #define _ENDSTOP(AXIS, MINMAX) AXIS ##_## MINMAX
  217. #define _ENDSTOP_PIN(AXIS, MINMAX) AXIS ##_## MINMAX ##_PIN
  218. #define _ENDSTOP_INVERTING(AXIS, MINMAX) AXIS ##_## MINMAX ##_ENDSTOP_INVERTING
  219. #define _ENDSTOP_HIT(AXIS) SBI(endstop_hit_bits, _ENDSTOP(AXIS, MIN))
  220. // UPDATE_ENDSTOP_BIT: set the current endstop bits for an endstop to its status
  221. #define UPDATE_ENDSTOP_BIT(AXIS, MINMAX) SET_BIT(current_endstop_bits, _ENDSTOP(AXIS, MINMAX), (READ(_ENDSTOP_PIN(AXIS, MINMAX)) != _ENDSTOP_INVERTING(AXIS, MINMAX)))
  222. // COPY_BIT: copy the value of SRC_BIT to DST_BIT in DST
  223. #define COPY_BIT(DST, SRC_BIT, DST_BIT) SET_BIT(DST, DST_BIT, TEST(DST, SRC_BIT))
  224. #define UPDATE_ENDSTOP(AXIS,MINMAX) do { \
  225. UPDATE_ENDSTOP_BIT(AXIS, MINMAX); \
  226. if (TEST_ENDSTOP(_ENDSTOP(AXIS, MINMAX)) && stepper.current_block->steps[_AXIS(AXIS)] > 0) { \
  227. _ENDSTOP_HIT(AXIS); \
  228. stepper.endstop_triggered(_AXIS(AXIS)); \
  229. } \
  230. } while(0)
  231. #if ENABLED(G38_PROBE_TARGET) && PIN_EXISTS(Z_MIN_PROBE) && !(CORE_IS_XY || CORE_IS_XZ)
  232. // If G38 command is active check Z_MIN_PROBE for ALL movement
  233. if (G38_move) {
  234. UPDATE_ENDSTOP_BIT(Z, MIN_PROBE);
  235. if (TEST_ENDSTOP(_ENDSTOP(Z, MIN_PROBE))) {
  236. if (stepper.current_block->steps[_AXIS(X)] > 0) { _ENDSTOP_HIT(X); stepper.endstop_triggered(_AXIS(X)); }
  237. else if (stepper.current_block->steps[_AXIS(Y)] > 0) { _ENDSTOP_HIT(Y); stepper.endstop_triggered(_AXIS(Y)); }
  238. else if (stepper.current_block->steps[_AXIS(Z)] > 0) { _ENDSTOP_HIT(Z); stepper.endstop_triggered(_AXIS(Z)); }
  239. G38_endstop_hit = true;
  240. }
  241. }
  242. #endif
  243. /**
  244. * Define conditions for checking endstops
  245. */
  246. #if IS_CORE
  247. #define S_(N) stepper.current_block->steps[CORE_AXIS_##N]
  248. #define D_(N) stepper.motor_direction(CORE_AXIS_##N)
  249. #endif
  250. #if CORE_IS_XY || CORE_IS_XZ
  251. /**
  252. * Head direction in -X axis for CoreXY and CoreXZ bots.
  253. *
  254. * If steps differ, both axes are moving.
  255. * If DeltaA == -DeltaB, the movement is only in the 2nd axis (Y or Z, handled below)
  256. * If DeltaA == DeltaB, the movement is only in the 1st axis (X)
  257. */
  258. #if ENABLED(COREXY) || ENABLED(COREXZ)
  259. #define X_CMP ==
  260. #else
  261. #define X_CMP !=
  262. #endif
  263. #define X_MOVE_TEST ( S_(1) != S_(2) || (S_(1) > 0 && D_(1) X_CMP D_(2)) )
  264. #define X_AXIS_HEAD X_HEAD
  265. #else
  266. #define X_MOVE_TEST stepper.current_block->steps[X_AXIS] > 0
  267. #define X_AXIS_HEAD X_AXIS
  268. #endif
  269. #if CORE_IS_XY || CORE_IS_YZ
  270. /**
  271. * Head direction in -Y axis for CoreXY / CoreYZ bots.
  272. *
  273. * If steps differ, both axes are moving
  274. * If DeltaA == DeltaB, the movement is only in the 1st axis (X or Y)
  275. * If DeltaA == -DeltaB, the movement is only in the 2nd axis (Y or Z)
  276. */
  277. #if ENABLED(COREYX) || ENABLED(COREYZ)
  278. #define Y_CMP ==
  279. #else
  280. #define Y_CMP !=
  281. #endif
  282. #define Y_MOVE_TEST ( S_(1) != S_(2) || (S_(1) > 0 && D_(1) Y_CMP D_(2)) )
  283. #define Y_AXIS_HEAD Y_HEAD
  284. #else
  285. #define Y_MOVE_TEST stepper.current_block->steps[Y_AXIS] > 0
  286. #define Y_AXIS_HEAD Y_AXIS
  287. #endif
  288. #if CORE_IS_XZ || CORE_IS_YZ
  289. /**
  290. * Head direction in -Z axis for CoreXZ or CoreYZ bots.
  291. *
  292. * If steps differ, both axes are moving
  293. * If DeltaA == DeltaB, the movement is only in the 1st axis (X or Y, already handled above)
  294. * If DeltaA == -DeltaB, the movement is only in the 2nd axis (Z)
  295. */
  296. #if ENABLED(COREZX) || ENABLED(COREZY)
  297. #define Z_CMP ==
  298. #else
  299. #define Z_CMP !=
  300. #endif
  301. #define Z_MOVE_TEST ( S_(1) != S_(2) || (S_(1) > 0 && D_(1) Z_CMP D_(2)) )
  302. #define Z_AXIS_HEAD Z_HEAD
  303. #else
  304. #define Z_MOVE_TEST stepper.current_block->steps[Z_AXIS] > 0
  305. #define Z_AXIS_HEAD Z_AXIS
  306. #endif
  307. // With Dual X, endstops are only checked in the homing direction for the active extruder
  308. #if ENABLED(DUAL_X_CARRIAGE)
  309. #define E0_ACTIVE stepper.current_block->active_extruder == 0
  310. #define X_MIN_TEST ((X_HOME_DIR < 0 && E0_ACTIVE) || (X2_HOME_DIR < 0 && !E0_ACTIVE))
  311. #define X_MAX_TEST ((X_HOME_DIR > 0 && E0_ACTIVE) || (X2_HOME_DIR > 0 && !E0_ACTIVE))
  312. #else
  313. #define X_MIN_TEST true
  314. #define X_MAX_TEST true
  315. #endif
  316. /**
  317. * Check and update endstops according to conditions
  318. */
  319. if (X_MOVE_TEST) {
  320. if (stepper.motor_direction(X_AXIS_HEAD)) {
  321. if (X_MIN_TEST) { // -direction
  322. #if HAS_X_MIN
  323. UPDATE_ENDSTOP(X, MIN);
  324. #endif
  325. }
  326. }
  327. else if (X_MAX_TEST) { // +direction
  328. #if HAS_X_MAX
  329. UPDATE_ENDSTOP(X, MAX);
  330. #endif
  331. }
  332. }
  333. if (Y_MOVE_TEST) {
  334. if (stepper.motor_direction(Y_AXIS_HEAD)) { // -direction
  335. #if HAS_Y_MIN
  336. UPDATE_ENDSTOP(Y, MIN);
  337. #endif
  338. }
  339. else { // +direction
  340. #if HAS_Y_MAX
  341. UPDATE_ENDSTOP(Y, MAX);
  342. #endif
  343. }
  344. }
  345. if (Z_MOVE_TEST) {
  346. if (stepper.motor_direction(Z_AXIS_HEAD)) { // Z -direction. Gantry down, bed up.
  347. #if HAS_Z_MIN
  348. #if ENABLED(Z_DUAL_ENDSTOPS)
  349. UPDATE_ENDSTOP_BIT(Z, MIN);
  350. #if HAS_Z2_MIN
  351. UPDATE_ENDSTOP_BIT(Z2, MIN);
  352. #else
  353. COPY_BIT(current_endstop_bits, Z_MIN, Z2_MIN);
  354. #endif
  355. test_dual_z_endstops(Z_MIN, Z2_MIN);
  356. #else // !Z_DUAL_ENDSTOPS
  357. #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
  358. if (z_probe_enabled) UPDATE_ENDSTOP(Z, MIN);
  359. #else
  360. UPDATE_ENDSTOP(Z, MIN);
  361. #endif
  362. #endif // !Z_DUAL_ENDSTOPS
  363. #endif // HAS_Z_MIN
  364. // When closing the gap check the enabled probe
  365. #if ENABLED(Z_MIN_PROBE_ENDSTOP)
  366. if (z_probe_enabled) {
  367. UPDATE_ENDSTOP(Z, MIN_PROBE);
  368. if (TEST_ENDSTOP(Z_MIN_PROBE)) SBI(endstop_hit_bits, Z_MIN_PROBE);
  369. }
  370. #endif
  371. }
  372. else { // Z +direction. Gantry up, bed down.
  373. #if HAS_Z_MAX
  374. // Check both Z dual endstops
  375. #if ENABLED(Z_DUAL_ENDSTOPS)
  376. UPDATE_ENDSTOP_BIT(Z, MAX);
  377. #if HAS_Z2_MAX
  378. UPDATE_ENDSTOP_BIT(Z2, MAX);
  379. #else
  380. COPY_BIT(current_endstop_bits, Z_MAX, Z2_MAX);
  381. #endif
  382. test_dual_z_endstops(Z_MAX, Z2_MAX);
  383. // If this pin is not hijacked for the bed probe
  384. // then it belongs to the Z endstop
  385. #elif DISABLED(Z_MIN_PROBE_ENDSTOP) || Z_MAX_PIN != Z_MIN_PROBE_PIN
  386. UPDATE_ENDSTOP(Z, MAX);
  387. #endif // !Z_MIN_PROBE_PIN...
  388. #endif // Z_MAX_PIN
  389. }
  390. }
  391. old_endstop_bits = current_endstop_bits;
  392. } // Endstops::update()