fsensor.cpp 19 KB

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  1. //! @file
  2. #include "Marlin.h"
  3. #include "fsensor.h"
  4. #include <avr/pgmspace.h>
  5. #include "pat9125.h"
  6. #include "stepper.h"
  7. #include "planner.h"
  8. #include "fastio.h"
  9. #include "io_atmega2560.h"
  10. #include "cmdqueue.h"
  11. #include "ultralcd.h"
  12. #include "ConfigurationStore.h"
  13. #include "mmu.h"
  14. #include "cardreader.h"
  15. //! @name Basic parameters
  16. //! @{
  17. #define FSENSOR_CHUNK_LEN 0.64F //!< filament sensor chunk length 0.64mm
  18. #define FSENSOR_ERR_MAX 17 //!< filament sensor maximum error count for runout detection
  19. //! @}
  20. //! @name Optical quality measurement parameters
  21. //! @{
  22. #define FSENSOR_OQ_MAX_ES 6 //!< maximum error sum while loading (length ~64mm = 100chunks)
  23. #define FSENSOR_OQ_MAX_EM 2 //!< maximum error counter value while loading
  24. #define FSENSOR_OQ_MIN_YD 2 //!< minimum yd per chunk (applied to avg value)
  25. #define FSENSOR_OQ_MAX_YD 200 //!< maximum yd per chunk (applied to avg value)
  26. #define FSENSOR_OQ_MAX_PD 4 //!< maximum positive deviation (= yd_max/yd_avg)
  27. #define FSENSOR_OQ_MAX_ND 5 //!< maximum negative deviation (= yd_avg/yd_min)
  28. #define FSENSOR_OQ_MAX_SH 13 //!< maximum shutter value
  29. //! @}
  30. const char ERRMSG_PAT9125_NOT_RESP[] PROGMEM = "PAT9125 not responding (%d)!\n";
  31. // PJ7 can not be used (does not have PinChangeInterrupt possibility)
  32. #define FSENSOR_INT_PIN 75 //!< filament sensor interrupt pin PJ4
  33. #define FSENSOR_INT_PIN_MASK 0x10 //!< filament sensor interrupt pin mask (bit4)
  34. #define FSENSOR_INT_PIN_PIN_REG PINJ // PIN register @ PJ4
  35. #define FSENSOR_INT_PIN_VECT PCINT1_vect // PinChange ISR @ PJ4
  36. #define FSENSOR_INT_PIN_PCMSK_REG PCMSK1 // PinChangeMaskRegister @ PJ4
  37. #define FSENSOR_INT_PIN_PCMSK_BIT PCINT13 // PinChange Interrupt / PinChange Enable Mask @ PJ4
  38. #define FSENSOR_INT_PIN_PCICR_BIT PCIE1 // PinChange Interrupt Enable / Flag @ PJ4
  39. //uint8_t fsensor_int_pin = FSENSOR_INT_PIN;
  40. uint8_t fsensor_int_pin_old = 0;
  41. int16_t fsensor_chunk_len = 0;
  42. //! enabled = initialized and sampled every chunk event
  43. bool fsensor_enabled = true;
  44. //! runout watching is done in fsensor_update (called from main loop)
  45. bool fsensor_watch_runout = true;
  46. //! not responding - is set if any communication error occurred during initialization or readout
  47. bool fsensor_not_responding = false;
  48. //! printing saved
  49. bool fsensor_printing_saved = false;
  50. //! enable/disable quality meassurement
  51. bool fsensor_oq_meassure_enabled = false;
  52. //! number of errors, updated in ISR
  53. uint8_t fsensor_err_cnt = 0;
  54. //! variable for accumulating step count (updated callbacks from stepper and ISR)
  55. int16_t fsensor_st_cnt = 0;
  56. //! last dy value from pat9125 sensor (used in ISR)
  57. int16_t fsensor_dy_old = 0;
  58. //! log flag: 0=log disabled, 1=log enabled
  59. uint8_t fsensor_log = 1;
  60. //! @name filament autoload variables
  61. //! @{
  62. //! autoload feature enabled
  63. bool fsensor_autoload_enabled = true;
  64. //! autoload watching enable/disable flag
  65. bool fsensor_watch_autoload = false;
  66. //
  67. uint16_t fsensor_autoload_y;
  68. //
  69. uint8_t fsensor_autoload_c;
  70. //
  71. uint32_t fsensor_autoload_last_millis;
  72. //
  73. uint8_t fsensor_autoload_sum;
  74. //! @}
  75. //! @name filament optical quality measurement variables
  76. //! @{
  77. //! Measurement enable/disable flag
  78. bool fsensor_oq_meassure = false;
  79. //! skip-chunk counter, for accurate measurement is necessary to skip first chunk...
  80. uint8_t fsensor_oq_skipchunk;
  81. //! number of samples from start of measurement
  82. uint8_t fsensor_oq_samples;
  83. //! sum of steps in positive direction movements
  84. uint16_t fsensor_oq_st_sum;
  85. //! sum of deltas in positive direction movements
  86. uint16_t fsensor_oq_yd_sum;
  87. //! sum of errors during measurement
  88. uint16_t fsensor_oq_er_sum;
  89. //! max error counter value during measurement
  90. uint8_t fsensor_oq_er_max;
  91. //! minimum delta value
  92. int16_t fsensor_oq_yd_min;
  93. //! maximum delta value
  94. int16_t fsensor_oq_yd_max;
  95. //! sum of shutter value
  96. uint16_t fsensor_oq_sh_sum;
  97. //! @}
  98. void fsensor_stop_and_save_print(void)
  99. {
  100. printf_P(PSTR("fsensor_stop_and_save_print\n"));
  101. stop_and_save_print_to_ram(0, 0); //XYZE - no change
  102. }
  103. void fsensor_restore_print_and_continue(void)
  104. {
  105. printf_P(PSTR("fsensor_restore_print_and_continue\n"));
  106. fsensor_watch_runout = true;
  107. fsensor_err_cnt = 0;
  108. restore_print_from_ram_and_continue(0); //XYZ = orig, E - no change
  109. }
  110. void fsensor_init(void)
  111. {
  112. #ifdef PAT9125
  113. uint8_t pat9125 = pat9125_init();
  114. printf_P(PSTR("PAT9125_init:%hhu\n"), pat9125);
  115. #endif //PAT9125
  116. uint8_t fsensor = eeprom_read_byte((uint8_t*)EEPROM_FSENSOR);
  117. fsensor_autoload_enabled=eeprom_read_byte((uint8_t*)EEPROM_FSENS_AUTOLOAD_ENABLED);
  118. #ifdef PAT9125
  119. uint8_t oq_meassure_enabled = eeprom_read_byte((uint8_t*)EEPROM_FSENS_OQ_MEASS_ENABLED);
  120. fsensor_oq_meassure_enabled = (oq_meassure_enabled == 1)?true:false;
  121. fsensor_chunk_len = (int16_t)(FSENSOR_CHUNK_LEN * cs.axis_steps_per_unit[E_AXIS]);
  122. if (!pat9125)
  123. {
  124. fsensor = 0; //disable sensor
  125. fsensor_not_responding = true;
  126. }
  127. else
  128. fsensor_not_responding = false;
  129. #endif //PAT9125
  130. if (fsensor)
  131. fsensor_enable();
  132. else
  133. fsensor_disable();
  134. printf_P(PSTR("FSensor %S\n"), (fsensor_enabled?PSTR("ENABLED"):PSTR("DISABLED\n")));
  135. if (check_for_ir_sensor()) ir_sensor_detected = true;
  136. }
  137. bool fsensor_enable(void)
  138. {
  139. #ifdef PAT9125
  140. if (mmu_enabled == false) { //filament sensor is pat9125, enable only if it is working
  141. uint8_t pat9125 = pat9125_init();
  142. printf_P(PSTR("PAT9125_init:%hhu\n"), pat9125);
  143. if (pat9125)
  144. fsensor_not_responding = false;
  145. else
  146. fsensor_not_responding = true;
  147. fsensor_enabled = pat9125 ? true : false;
  148. fsensor_watch_runout = true;
  149. fsensor_oq_meassure = false;
  150. fsensor_err_cnt = 0;
  151. fsensor_dy_old = 0;
  152. eeprom_update_byte((uint8_t*)EEPROM_FSENSOR, fsensor_enabled ? 0x01 : 0x00);
  153. FSensorStateMenu = fsensor_enabled ? 1 : 0;
  154. }
  155. else //filament sensor is FINDA, always enable
  156. {
  157. fsensor_enabled = true;
  158. eeprom_update_byte((uint8_t*)EEPROM_FSENSOR, 0x01);
  159. FSensorStateMenu = 1;
  160. }
  161. #else // PAT9125
  162. fsensor_enabled = true;
  163. eeprom_update_byte((uint8_t*)EEPROM_FSENSOR, 0x01);
  164. FSensorStateMenu = 1;
  165. #endif // PAT9125
  166. return fsensor_enabled;
  167. }
  168. void fsensor_disable(void)
  169. {
  170. fsensor_enabled = false;
  171. eeprom_update_byte((uint8_t*)EEPROM_FSENSOR, 0x00);
  172. FSensorStateMenu = 0;
  173. }
  174. void fsensor_autoload_set(bool State)
  175. {
  176. #ifdef PAT9125
  177. if (!State) fsensor_autoload_check_stop();
  178. #endif //PAT9125
  179. fsensor_autoload_enabled = State;
  180. eeprom_update_byte((unsigned char *)EEPROM_FSENS_AUTOLOAD_ENABLED, fsensor_autoload_enabled);
  181. }
  182. void pciSetup(byte pin)
  183. {
  184. // !!! "digitalPinTo?????bit()" does not provide the correct results for some MCU pins
  185. *digitalPinToPCMSK(pin) |= bit (digitalPinToPCMSKbit(pin)); // enable pin
  186. PCIFR |= bit (digitalPinToPCICRbit(pin)); // clear any outstanding interrupt
  187. PCICR |= bit (digitalPinToPCICRbit(pin)); // enable interrupt for the group
  188. }
  189. #ifdef PAT9125
  190. void fsensor_autoload_check_start(void)
  191. {
  192. // puts_P(_N("fsensor_autoload_check_start\n"));
  193. if (!fsensor_enabled) return;
  194. if (!fsensor_autoload_enabled) return;
  195. if (fsensor_watch_autoload) return;
  196. if (!pat9125_update_y()) //update sensor
  197. {
  198. fsensor_disable();
  199. fsensor_not_responding = true;
  200. fsensor_watch_autoload = false;
  201. printf_P(ERRMSG_PAT9125_NOT_RESP, 3);
  202. return;
  203. }
  204. puts_P(_N("fsensor_autoload_check_start - autoload ENABLED\n"));
  205. fsensor_autoload_y = pat9125_y; //save current y value
  206. fsensor_autoload_c = 0; //reset number of changes counter
  207. fsensor_autoload_sum = 0;
  208. fsensor_autoload_last_millis = _millis();
  209. fsensor_watch_runout = false;
  210. fsensor_watch_autoload = true;
  211. fsensor_err_cnt = 0;
  212. }
  213. void fsensor_autoload_check_stop(void)
  214. {
  215. // puts_P(_N("fsensor_autoload_check_stop\n"));
  216. if (!fsensor_enabled) return;
  217. // puts_P(_N("fsensor_autoload_check_stop 1\n"));
  218. if (!fsensor_autoload_enabled) return;
  219. // puts_P(_N("fsensor_autoload_check_stop 2\n"));
  220. if (!fsensor_watch_autoload) return;
  221. puts_P(_N("fsensor_autoload_check_stop - autoload DISABLED\n"));
  222. fsensor_autoload_sum = 0;
  223. fsensor_watch_autoload = false;
  224. fsensor_watch_runout = true;
  225. fsensor_err_cnt = 0;
  226. }
  227. #endif //PAT9125
  228. bool fsensor_check_autoload(void)
  229. {
  230. if (!fsensor_enabled) return false;
  231. if (!fsensor_autoload_enabled) return false;
  232. if (ir_sensor_detected) {
  233. if (digitalRead(IR_SENSOR_PIN) == 1) {
  234. fsensor_watch_autoload = true;
  235. }
  236. else if (fsensor_watch_autoload == true) {
  237. fsensor_watch_autoload = false;
  238. return true;
  239. }
  240. }
  241. #ifdef PAT9125
  242. if (!fsensor_watch_autoload)
  243. {
  244. fsensor_autoload_check_start();
  245. return false;
  246. }
  247. #if 0
  248. uint8_t fsensor_autoload_c_old = fsensor_autoload_c;
  249. #endif
  250. if ((_millis() - fsensor_autoload_last_millis) < 25) return false;
  251. fsensor_autoload_last_millis = _millis();
  252. if (!pat9125_update_y()) //update sensor
  253. {
  254. fsensor_disable();
  255. fsensor_not_responding = true;
  256. printf_P(ERRMSG_PAT9125_NOT_RESP, 2);
  257. return false;
  258. }
  259. int16_t dy = pat9125_y - fsensor_autoload_y;
  260. if (dy) //? dy value is nonzero
  261. {
  262. if (dy > 0) //? delta-y value is positive (inserting)
  263. {
  264. fsensor_autoload_sum += dy;
  265. fsensor_autoload_c += 3; //increment change counter by 3
  266. }
  267. else if (fsensor_autoload_c > 1)
  268. fsensor_autoload_c -= 2; //decrement change counter by 2
  269. fsensor_autoload_y = pat9125_y; //save current value
  270. }
  271. else if (fsensor_autoload_c > 0)
  272. fsensor_autoload_c--;
  273. if (fsensor_autoload_c == 0) fsensor_autoload_sum = 0;
  274. #if 0
  275. puts_P(_N("fsensor_check_autoload\n"));
  276. if (fsensor_autoload_c != fsensor_autoload_c_old)
  277. printf_P(PSTR("fsensor_check_autoload dy=%d c=%d sum=%d\n"), dy, fsensor_autoload_c, fsensor_autoload_sum);
  278. #endif
  279. // if ((fsensor_autoload_c >= 15) && (fsensor_autoload_sum > 30))
  280. if ((fsensor_autoload_c >= 12) && (fsensor_autoload_sum > 20))
  281. {
  282. // puts_P(_N("fsensor_check_autoload = true !!!\n"));
  283. return true;
  284. }
  285. #endif //PAT9125
  286. return false;
  287. }
  288. void fsensor_oq_meassure_set(bool State)
  289. {
  290. fsensor_oq_meassure_enabled = State;
  291. eeprom_update_byte((unsigned char *)EEPROM_FSENS_OQ_MEASS_ENABLED, fsensor_oq_meassure_enabled);
  292. }
  293. void fsensor_oq_meassure_start(uint8_t skip)
  294. {
  295. if (!fsensor_enabled) return;
  296. if (!fsensor_oq_meassure_enabled) return;
  297. printf_P(PSTR("fsensor_oq_meassure_start\n"));
  298. fsensor_oq_skipchunk = skip;
  299. fsensor_oq_samples = 0;
  300. fsensor_oq_st_sum = 0;
  301. fsensor_oq_yd_sum = 0;
  302. fsensor_oq_er_sum = 0;
  303. fsensor_oq_er_max = 0;
  304. fsensor_oq_yd_min = FSENSOR_OQ_MAX_YD;
  305. fsensor_oq_yd_max = 0;
  306. fsensor_oq_sh_sum = 0;
  307. pat9125_update();
  308. pat9125_y = 0;
  309. fsensor_watch_runout = false;
  310. fsensor_oq_meassure = true;
  311. }
  312. void fsensor_oq_meassure_stop(void)
  313. {
  314. if (!fsensor_enabled) return;
  315. if (!fsensor_oq_meassure_enabled) return;
  316. printf_P(PSTR("fsensor_oq_meassure_stop, %hhu samples\n"), fsensor_oq_samples);
  317. printf_P(_N(" st_sum=%u yd_sum=%u er_sum=%u er_max=%hhu\n"), fsensor_oq_st_sum, fsensor_oq_yd_sum, fsensor_oq_er_sum, fsensor_oq_er_max);
  318. printf_P(_N(" yd_min=%u yd_max=%u yd_avg=%u sh_avg=%u\n"), fsensor_oq_yd_min, fsensor_oq_yd_max, (uint16_t)((uint32_t)fsensor_oq_yd_sum * fsensor_chunk_len / fsensor_oq_st_sum), (uint16_t)(fsensor_oq_sh_sum / fsensor_oq_samples));
  319. fsensor_oq_meassure = false;
  320. fsensor_watch_runout = true;
  321. fsensor_err_cnt = 0;
  322. }
  323. const char _OK[] PROGMEM = "OK";
  324. const char _NG[] PROGMEM = "NG!";
  325. bool fsensor_oq_result(void)
  326. {
  327. if (!fsensor_enabled) return true;
  328. if (!fsensor_oq_meassure_enabled) return true;
  329. printf_P(_N("fsensor_oq_result\n"));
  330. bool res_er_sum = (fsensor_oq_er_sum <= FSENSOR_OQ_MAX_ES);
  331. printf_P(_N(" er_sum = %u %S\n"), fsensor_oq_er_sum, (res_er_sum?_OK:_NG));
  332. bool res_er_max = (fsensor_oq_er_max <= FSENSOR_OQ_MAX_EM);
  333. printf_P(_N(" er_max = %hhu %S\n"), fsensor_oq_er_max, (res_er_max?_OK:_NG));
  334. uint8_t yd_avg = ((uint32_t)fsensor_oq_yd_sum * fsensor_chunk_len / fsensor_oq_st_sum);
  335. bool res_yd_avg = (yd_avg >= FSENSOR_OQ_MIN_YD) && (yd_avg <= FSENSOR_OQ_MAX_YD);
  336. printf_P(_N(" yd_avg = %hhu %S\n"), yd_avg, (res_yd_avg?_OK:_NG));
  337. bool res_yd_max = (fsensor_oq_yd_max <= (yd_avg * FSENSOR_OQ_MAX_PD));
  338. printf_P(_N(" yd_max = %u %S\n"), fsensor_oq_yd_max, (res_yd_max?_OK:_NG));
  339. bool res_yd_min = (fsensor_oq_yd_min >= (yd_avg / FSENSOR_OQ_MAX_ND));
  340. printf_P(_N(" yd_min = %u %S\n"), fsensor_oq_yd_min, (res_yd_min?_OK:_NG));
  341. uint16_t yd_dev = (fsensor_oq_yd_max - yd_avg) + (yd_avg - fsensor_oq_yd_min);
  342. printf_P(_N(" yd_dev = %u\n"), yd_dev);
  343. uint16_t yd_qua = 10 * yd_avg / (yd_dev + 1);
  344. printf_P(_N(" yd_qua = %u %S\n"), yd_qua, ((yd_qua >= 8)?_OK:_NG));
  345. uint8_t sh_avg = (fsensor_oq_sh_sum / fsensor_oq_samples);
  346. bool res_sh_avg = (sh_avg <= FSENSOR_OQ_MAX_SH);
  347. if (yd_qua >= 8) res_sh_avg = true;
  348. printf_P(_N(" sh_avg = %hhu %S\n"), sh_avg, (res_sh_avg?_OK:_NG));
  349. bool res = res_er_sum && res_er_max && res_yd_avg && res_yd_max && res_yd_min && res_sh_avg;
  350. printf_P(_N("fsensor_oq_result %S\n"), (res?_OK:_NG));
  351. return res;
  352. }
  353. #ifdef PAT9125
  354. ISR(FSENSOR_INT_PIN_VECT)
  355. {
  356. if (mmu_enabled || ir_sensor_detected) return;
  357. if (!((fsensor_int_pin_old ^ FSENSOR_INT_PIN_PIN_REG) & FSENSOR_INT_PIN_MASK)) return;
  358. fsensor_int_pin_old = FSENSOR_INT_PIN_PIN_REG;
  359. static bool _lock = false;
  360. if (_lock) return;
  361. _lock = true;
  362. int st_cnt = fsensor_st_cnt;
  363. fsensor_st_cnt = 0;
  364. sei();
  365. uint8_t old_err_cnt = fsensor_err_cnt;
  366. uint8_t pat9125_res = fsensor_oq_meassure?pat9125_update():pat9125_update_y();
  367. if (!pat9125_res)
  368. {
  369. fsensor_disable();
  370. fsensor_not_responding = true;
  371. printf_P(ERRMSG_PAT9125_NOT_RESP, 1);
  372. }
  373. if (st_cnt != 0)
  374. { //movement
  375. if (st_cnt > 0) //positive movement
  376. {
  377. if (pat9125_y < 0)
  378. {
  379. if (fsensor_err_cnt)
  380. fsensor_err_cnt += 2;
  381. else
  382. fsensor_err_cnt++;
  383. }
  384. else if (pat9125_y > 0)
  385. {
  386. if (fsensor_err_cnt)
  387. fsensor_err_cnt--;
  388. }
  389. else //(pat9125_y == 0)
  390. if (((fsensor_dy_old <= 0) || (fsensor_err_cnt)) && (st_cnt > (fsensor_chunk_len >> 1)))
  391. fsensor_err_cnt++;
  392. if (fsensor_oq_meassure)
  393. {
  394. if (fsensor_oq_skipchunk)
  395. {
  396. fsensor_oq_skipchunk--;
  397. fsensor_err_cnt = 0;
  398. }
  399. else
  400. {
  401. if (st_cnt == fsensor_chunk_len)
  402. {
  403. if (pat9125_y > 0) if (fsensor_oq_yd_min > pat9125_y) fsensor_oq_yd_min = (fsensor_oq_yd_min + pat9125_y) / 2;
  404. if (pat9125_y >= 0) if (fsensor_oq_yd_max < pat9125_y) fsensor_oq_yd_max = (fsensor_oq_yd_max + pat9125_y) / 2;
  405. }
  406. fsensor_oq_samples++;
  407. fsensor_oq_st_sum += st_cnt;
  408. if (pat9125_y > 0) fsensor_oq_yd_sum += pat9125_y;
  409. if (fsensor_err_cnt > old_err_cnt)
  410. fsensor_oq_er_sum += (fsensor_err_cnt - old_err_cnt);
  411. if (fsensor_oq_er_max < fsensor_err_cnt)
  412. fsensor_oq_er_max = fsensor_err_cnt;
  413. fsensor_oq_sh_sum += pat9125_s;
  414. }
  415. }
  416. }
  417. else //negative movement
  418. {
  419. }
  420. }
  421. else
  422. { //no movement
  423. }
  424. #ifdef DEBUG_FSENSOR_LOG
  425. if (fsensor_log)
  426. {
  427. printf_P(_N("FSENSOR cnt=%d dy=%d err=%hhu %S\n"), st_cnt, pat9125_y, fsensor_err_cnt, (fsensor_err_cnt > old_err_cnt)?_N("NG!"):_N("OK"));
  428. if (fsensor_oq_meassure) printf_P(_N("FSENSOR st_sum=%u yd_sum=%u er_sum=%u er_max=%hhu yd_max=%u\n"), fsensor_oq_st_sum, fsensor_oq_yd_sum, fsensor_oq_er_sum, fsensor_oq_er_max, fsensor_oq_yd_max);
  429. }
  430. #endif //DEBUG_FSENSOR_LOG
  431. fsensor_dy_old = pat9125_y;
  432. pat9125_y = 0;
  433. _lock = false;
  434. return;
  435. }
  436. void fsensor_setup_interrupt(void)
  437. {
  438. pinMode(FSENSOR_INT_PIN, OUTPUT);
  439. digitalWrite(FSENSOR_INT_PIN, LOW);
  440. fsensor_int_pin_old = 0;
  441. //pciSetup(FSENSOR_INT_PIN);
  442. // !!! "pciSetup()" does not provide the correct results for some MCU pins
  443. // so interrupt registers settings:
  444. FSENSOR_INT_PIN_PCMSK_REG |= bit(FSENSOR_INT_PIN_PCMSK_BIT); // enable corresponding PinChangeInterrupt (individual pin)
  445. PCIFR |= bit(FSENSOR_INT_PIN_PCICR_BIT); // clear previous occasional interrupt (set of pins)
  446. PCICR |= bit(FSENSOR_INT_PIN_PCICR_BIT); // enable corresponding PinChangeInterrupt (set of pins)
  447. }
  448. #endif //PAT9125
  449. void fsensor_st_block_begin(block_t* bl)
  450. {
  451. if (!fsensor_enabled) return;
  452. if (((fsensor_st_cnt > 0) && (bl->direction_bits & 0x8)) ||
  453. ((fsensor_st_cnt < 0) && !(bl->direction_bits & 0x8)))
  454. {
  455. // !!! bit toggling (PINxn <- 1) (for PinChangeInterrupt) does not work for some MCU pins
  456. if (PIN_GET(FSENSOR_INT_PIN)) {PIN_VAL(FSENSOR_INT_PIN, LOW);}
  457. else {PIN_VAL(FSENSOR_INT_PIN, HIGH);}
  458. }
  459. }
  460. void fsensor_st_block_chunk(block_t* bl, int cnt)
  461. {
  462. if (!fsensor_enabled) return;
  463. fsensor_st_cnt += (bl->direction_bits & 0x8)?-cnt:cnt;
  464. if ((fsensor_st_cnt >= fsensor_chunk_len) || (fsensor_st_cnt <= -fsensor_chunk_len))
  465. {
  466. // !!! bit toggling (PINxn <- 1) (for PinChangeInterrupt) does not work for some MCU pins
  467. if (PIN_GET(FSENSOR_INT_PIN)) {PIN_VAL(FSENSOR_INT_PIN, LOW);}
  468. else {PIN_VAL(FSENSOR_INT_PIN, HIGH);}
  469. }
  470. }
  471. //! @brief filament sensor update (perform M600 on filament runout)
  472. //!
  473. //! Works only if filament sensor is enabled.
  474. //! When the filament sensor error count is larger then FSENSOR_ERR_MAX, pauses print, tries to move filament back and forth.
  475. //! If there is still no plausible signal from filament sensor plans M600 (Filament change).
  476. void fsensor_update(void)
  477. {
  478. #ifdef PAT9125
  479. if (fsensor_enabled && fsensor_watch_runout && (fsensor_err_cnt > FSENSOR_ERR_MAX))
  480. {
  481. bool autoload_enabled_tmp = fsensor_autoload_enabled;
  482. fsensor_autoload_enabled = false;
  483. bool oq_meassure_enabled_tmp = fsensor_oq_meassure_enabled;
  484. fsensor_oq_meassure_enabled = true;
  485. fsensor_stop_and_save_print();
  486. fsensor_err_cnt = 0;
  487. fsensor_oq_meassure_start(0);
  488. enquecommand_front_P((PSTR("G1 E-3 F200")));
  489. process_commands();
  490. KEEPALIVE_STATE(IN_HANDLER);
  491. cmdqueue_pop_front();
  492. st_synchronize();
  493. enquecommand_front_P((PSTR("G1 E3 F200")));
  494. process_commands();
  495. KEEPALIVE_STATE(IN_HANDLER);
  496. cmdqueue_pop_front();
  497. st_synchronize();
  498. uint8_t err_cnt = fsensor_err_cnt;
  499. fsensor_oq_meassure_stop();
  500. bool err = false;
  501. err |= (err_cnt > 1);
  502. err |= (fsensor_oq_er_sum > 2);
  503. err |= (fsensor_oq_yd_sum < (4 * FSENSOR_OQ_MIN_YD));
  504. if (!err)
  505. {
  506. printf_P(PSTR("fsensor_err_cnt = 0\n"));
  507. fsensor_restore_print_and_continue();
  508. }
  509. else
  510. {
  511. printf_P(PSTR("fsensor_update - M600\n"));
  512. eeprom_update_byte((uint8_t*)EEPROM_FERROR_COUNT, eeprom_read_byte((uint8_t*)EEPROM_FERROR_COUNT) + 1);
  513. eeprom_update_word((uint16_t*)EEPROM_FERROR_COUNT_TOT, eeprom_read_word((uint16_t*)EEPROM_FERROR_COUNT_TOT) + 1);
  514. enquecommand_front_P(PSTR("PRUSA fsensor_recover"));
  515. enquecommand_front_P((PSTR("M600")));
  516. fsensor_watch_runout = false;
  517. }
  518. fsensor_autoload_enabled = autoload_enabled_tmp;
  519. fsensor_oq_meassure_enabled = oq_meassure_enabled_tmp;
  520. }
  521. #else //PAT9125
  522. if ((digitalRead(IR_SENSOR_PIN) == 1) && CHECK_FSENSOR && fsensor_enabled && ir_sensor_detected)
  523. {
  524. fsensor_stop_and_save_print();
  525. printf_P(PSTR("fsensor_update - M600\n"));
  526. eeprom_update_byte((uint8_t*)EEPROM_FERROR_COUNT, eeprom_read_byte((uint8_t*)EEPROM_FERROR_COUNT) + 1);
  527. eeprom_update_word((uint16_t*)EEPROM_FERROR_COUNT_TOT, eeprom_read_word((uint16_t*)EEPROM_FERROR_COUNT_TOT) + 1);
  528. enquecommand_front_P(PSTR("PRUSA fsensor_recover"));
  529. enquecommand_front_P((PSTR("M600")));
  530. }
  531. #endif //PAT9125
  532. }