temperature.h 7.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279
  1. /*
  2. temperature.h - temperature controller
  3. Part of Marlin
  4. Copyright (c) 2011 Erik van der Zalm
  5. Grbl is free software: you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation, either version 3 of the License, or
  8. (at your option) any later version.
  9. Grbl is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with Grbl. If not, see <http://www.gnu.org/licenses/>.
  15. */
  16. #ifndef temperature_h
  17. #define temperature_h
  18. #include "Marlin.h"
  19. #include "planner.h"
  20. #ifdef PID_ADD_EXTRUSION_RATE
  21. #include "stepper.h"
  22. #endif
  23. #include "config.h"
  24. #ifdef SYSTEM_TIMER_2
  25. #define ENABLE_TEMPERATURE_INTERRUPT() TIMSK2 |= (1<<OCIE2B)
  26. #define DISABLE_TEMPERATURE_INTERRUPT() TIMSK2 &= ~(1<<OCIE2B)
  27. #else //SYSTEM_TIMER_2
  28. #define ENABLE_TEMPERATURE_INTERRUPT() TIMSK0 |= (1<<OCIE0B)
  29. #define DISABLE_TEMPERATURE_INTERRUPT() TIMSK0 &= ~(1<<OCIE0B)
  30. #endif //SYSTEM_TIMER_2
  31. // public functions
  32. void tp_init(); //initialize the heating
  33. void manage_heater(); //it is critical that this is called periodically.
  34. extern bool checkAllHotends(void);
  35. // low level conversion routines
  36. // do not use these routines and variables outside of temperature.cpp
  37. extern int target_temperature[EXTRUDERS];
  38. extern float current_temperature[EXTRUDERS];
  39. #ifdef SHOW_TEMP_ADC_VALUES
  40. extern int current_temperature_raw[EXTRUDERS];
  41. extern int current_temperature_bed_raw;
  42. #endif
  43. extern int target_temperature_bed;
  44. extern float current_temperature_bed;
  45. #ifdef PINDA_THERMISTOR
  46. extern uint16_t current_temperature_raw_pinda;
  47. extern float current_temperature_pinda;
  48. #endif
  49. #ifdef AMBIENT_THERMISTOR
  50. //extern int current_temperature_raw_ambient;
  51. extern float current_temperature_ambient;
  52. #endif
  53. #ifdef VOLT_PWR_PIN
  54. extern int current_voltage_raw_pwr;
  55. #endif
  56. #ifdef VOLT_BED_PIN
  57. extern int current_voltage_raw_bed;
  58. #endif
  59. #ifdef IR_SENSOR_ANALOG
  60. extern int current_voltage_raw_IR;
  61. #endif //IR_SENSOR_ANALOG
  62. #if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
  63. extern unsigned char soft_pwm_bed;
  64. #endif
  65. extern bool bedPWMDisabled;
  66. #ifdef PIDTEMP
  67. extern int pid_cycle, pid_number_of_cycles;
  68. extern float Kc,_Kp,_Ki,_Kd;
  69. extern bool pid_tuning_finished;
  70. float scalePID_i(float i);
  71. float scalePID_d(float d);
  72. float unscalePID_i(float i);
  73. float unscalePID_d(float d);
  74. #endif
  75. #ifdef BABYSTEPPING
  76. extern volatile int babystepsTodo[3];
  77. #endif
  78. void resetPID(uint8_t extruder);
  79. inline void babystepsTodoZadd(int n)
  80. {
  81. if (n != 0) {
  82. CRITICAL_SECTION_START
  83. babystepsTodo[Z_AXIS] += n;
  84. CRITICAL_SECTION_END
  85. }
  86. }
  87. inline void babystepsTodoZsubtract(int n)
  88. {
  89. if (n != 0) {
  90. CRITICAL_SECTION_START
  91. babystepsTodo[Z_AXIS] -= n;
  92. CRITICAL_SECTION_END
  93. }
  94. }
  95. //high level conversion routines, for use outside of temperature.cpp
  96. //inline so that there is no performance decrease.
  97. //deg=degreeCelsius
  98. // Doesn't save FLASH when FORCE_INLINE removed.
  99. FORCE_INLINE float degHotend(uint8_t extruder) {
  100. return current_temperature[extruder];
  101. };
  102. #ifdef SHOW_TEMP_ADC_VALUES
  103. FORCE_INLINE float rawHotendTemp(uint8_t extruder) {
  104. return current_temperature_raw[extruder];
  105. };
  106. FORCE_INLINE float rawBedTemp() {
  107. return current_temperature_bed_raw;
  108. };
  109. #endif
  110. FORCE_INLINE float degBed() {
  111. return current_temperature_bed;
  112. };
  113. // Doesn't save FLASH when FORCE_INLINE removed.
  114. FORCE_INLINE float degTargetHotend(uint8_t extruder) {
  115. return target_temperature[extruder];
  116. };
  117. FORCE_INLINE float degTargetBed() {
  118. return target_temperature_bed;
  119. };
  120. // Doesn't save FLASH when FORCE_INLINE removed.
  121. FORCE_INLINE void setTargetHotend(const float &celsius, uint8_t extruder) {
  122. target_temperature[extruder] = celsius;
  123. resetPID(extruder);
  124. };
  125. // Doesn't save FLASH when not inlined.
  126. static inline void setTargetHotendSafe(const float &celsius, uint8_t extruder)
  127. {
  128. if (extruder<EXTRUDERS) {
  129. target_temperature[extruder] = celsius;
  130. resetPID(extruder);
  131. }
  132. }
  133. // Doesn't save FLASH when not inlined.
  134. static inline void setAllTargetHotends(const float &celsius)
  135. {
  136. for(int i=0;i<EXTRUDERS;i++) setTargetHotend(celsius,i);
  137. }
  138. FORCE_INLINE void setTargetBed(const float &celsius) {
  139. target_temperature_bed = celsius;
  140. };
  141. FORCE_INLINE bool isHeatingHotend(uint8_t extruder){
  142. return target_temperature[extruder] > current_temperature[extruder];
  143. };
  144. FORCE_INLINE bool isHeatingBed() {
  145. return target_temperature_bed > current_temperature_bed;
  146. };
  147. FORCE_INLINE bool isCoolingHotend(uint8_t extruder) {
  148. return target_temperature[extruder] < current_temperature[extruder];
  149. };
  150. FORCE_INLINE bool isCoolingBed() {
  151. return target_temperature_bed < current_temperature_bed;
  152. };
  153. #define degHotend0() degHotend(0)
  154. #define degTargetHotend0() degTargetHotend(0)
  155. #define setTargetHotend0(_celsius) setTargetHotend((_celsius), 0)
  156. #define isHeatingHotend0() isHeatingHotend(0)
  157. #define isCoolingHotend0() isCoolingHotend(0)
  158. #if EXTRUDERS > 1
  159. #define degHotend1() degHotend(1)
  160. #define degTargetHotend1() degTargetHotend(1)
  161. #define setTargetHotend1(_celsius) setTargetHotend((_celsius), 1)
  162. #define isHeatingHotend1() isHeatingHotend(1)
  163. #define isCoolingHotend1() isCoolingHotend(1)
  164. #else
  165. #define setTargetHotend1(_celsius) do{}while(0)
  166. #endif
  167. #if EXTRUDERS > 2
  168. #define degHotend2() degHotend(2)
  169. #define degTargetHotend2() degTargetHotend(2)
  170. #define setTargetHotend2(_celsius) setTargetHotend((_celsius), 2)
  171. #define isHeatingHotend2() isHeatingHotend(2)
  172. #define isCoolingHotend2() isCoolingHotend(2)
  173. #else
  174. #define setTargetHotend2(_celsius) do{}while(0)
  175. #endif
  176. #if EXTRUDERS > 3
  177. #error Invalid number of extruders
  178. #endif
  179. // return "false", if all heaters are 'off' (ie. "true", if any heater is 'on')
  180. #define CHECK_ALL_HEATERS (checkAllHotends()||(target_temperature_bed!=0))
  181. int getHeaterPower(int heater);
  182. void disable_heater();
  183. void updatePID();
  184. FORCE_INLINE void autotempShutdown(){
  185. #ifdef AUTOTEMP
  186. if(autotemp_enabled)
  187. {
  188. autotemp_enabled=false;
  189. if(degTargetHotend(active_extruder)>autotemp_min)
  190. setTargetHotend(0,active_extruder);
  191. }
  192. #endif
  193. }
  194. void PID_autotune(float temp, int extruder, int ncycles);
  195. void setExtruderAutoFanState(int pin, bool state);
  196. void checkExtruderAutoFans();
  197. #if (defined(FANCHECK) && defined(TACH_0) && (TACH_0 > -1))
  198. enum {
  199. EFCE_OK = 0, //!< normal operation, both fans are ok
  200. EFCE_FIXED, //!< previous fan error was fixed
  201. EFCE_DETECTED, //!< fan error detected, but not reported yet
  202. EFCE_REPORTED //!< fan error detected and reported to LCD and serial
  203. };
  204. extern volatile uint8_t fan_check_error;
  205. void countFanSpeed();
  206. void checkFanSpeed();
  207. void fanSpeedError(unsigned char _fan);
  208. void check_fans();
  209. #endif //(defined(TACH_0))
  210. void check_min_temp();
  211. void check_max_temp();
  212. #endif
  213. extern unsigned long extruder_autofan_last_check;
  214. extern uint8_t fanSpeedBckp;
  215. extern bool fan_measuring;