temperature.h 6.1 KB

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  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. // public functions
  24. void tp_init(); //initialize the heating
  25. void manage_heater(); //it is critical that this is called periodically.
  26. #ifdef FILAMENT_SENSOR
  27. // For converting raw Filament Width to milimeters
  28. float analog2widthFil();
  29. // For converting raw Filament Width to an extrusion ratio
  30. int widthFil_to_size_ratio();
  31. #endif
  32. // low level conversion routines
  33. // do not use these routines and variables outside of temperature.cpp
  34. extern int target_temperature[EXTRUDERS];
  35. extern float current_temperature[EXTRUDERS];
  36. #ifdef SHOW_TEMP_ADC_VALUES
  37. extern int current_temperature_raw[EXTRUDERS];
  38. extern int current_temperature_bed_raw;
  39. #endif
  40. extern int target_temperature_bed;
  41. extern float current_temperature_bed;
  42. #ifdef PINDA_THERMISTOR
  43. //extern int current_temperature_raw_pinda;
  44. extern float current_temperature_pinda;
  45. #endif
  46. #ifdef AMBIENT_THERMISTOR
  47. //extern int current_temperature_raw_ambient;
  48. extern float current_temperature_ambient;
  49. #endif
  50. #ifdef VOLT_PWR_PIN
  51. extern int current_voltage_raw_pwr;
  52. #endif
  53. #ifdef VOLT_BED_PIN
  54. extern int current_voltage_raw_bed;
  55. #endif
  56. #ifdef TEMP_SENSOR_1_AS_REDUNDANT
  57. extern float redundant_temperature;
  58. #endif
  59. #if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
  60. extern unsigned char soft_pwm_bed;
  61. #endif
  62. #ifdef PIDTEMP
  63. extern int pid_cycle, pid_number_of_cycles;
  64. extern float Kp,Ki,Kd,Kc,_Kp,_Ki,_Kd;
  65. extern bool pid_tuning_finished;
  66. float scalePID_i(float i);
  67. float scalePID_d(float d);
  68. float unscalePID_i(float i);
  69. float unscalePID_d(float d);
  70. #endif
  71. #ifdef PIDTEMPBED
  72. extern float bedKp,bedKi,bedKd;
  73. #endif
  74. #ifdef BABYSTEPPING
  75. extern volatile int babystepsTodo[3];
  76. #endif
  77. inline void babystepsTodoZadd(int n)
  78. {
  79. if (n != 0) {
  80. CRITICAL_SECTION_START
  81. babystepsTodo[Z_AXIS] += n;
  82. CRITICAL_SECTION_END
  83. }
  84. }
  85. inline void babystepsTodoZsubtract(int n)
  86. {
  87. if (n != 0) {
  88. CRITICAL_SECTION_START
  89. babystepsTodo[Z_AXIS] -= n;
  90. CRITICAL_SECTION_END
  91. }
  92. }
  93. //high level conversion routines, for use outside of temperature.cpp
  94. //inline so that there is no performance decrease.
  95. //deg=degreeCelsius
  96. FORCE_INLINE float degHotend(uint8_t extruder) {
  97. return current_temperature[extruder];
  98. };
  99. #ifdef SHOW_TEMP_ADC_VALUES
  100. FORCE_INLINE float rawHotendTemp(uint8_t extruder) {
  101. return current_temperature_raw[extruder];
  102. };
  103. FORCE_INLINE float rawBedTemp() {
  104. return current_temperature_bed_raw;
  105. };
  106. #endif
  107. FORCE_INLINE float degBed() {
  108. return current_temperature_bed;
  109. };
  110. FORCE_INLINE float degTargetHotend(uint8_t extruder) {
  111. return target_temperature[extruder];
  112. };
  113. FORCE_INLINE float degTargetBed() {
  114. return target_temperature_bed;
  115. };
  116. FORCE_INLINE void setTargetHotend(const float &celsius, uint8_t extruder) {
  117. target_temperature[extruder] = celsius;
  118. };
  119. FORCE_INLINE void setTargetBed(const float &celsius) {
  120. target_temperature_bed = celsius;
  121. };
  122. FORCE_INLINE bool isHeatingHotend(uint8_t extruder){
  123. return target_temperature[extruder] > current_temperature[extruder];
  124. };
  125. FORCE_INLINE bool isHeatingBed() {
  126. return target_temperature_bed > current_temperature_bed;
  127. };
  128. FORCE_INLINE bool isCoolingHotend(uint8_t extruder) {
  129. return target_temperature[extruder] < current_temperature[extruder];
  130. };
  131. FORCE_INLINE bool isCoolingBed() {
  132. return target_temperature_bed < current_temperature_bed;
  133. };
  134. #define degHotend0() degHotend(0)
  135. #define degTargetHotend0() degTargetHotend(0)
  136. #define setTargetHotend0(_celsius) setTargetHotend((_celsius), 0)
  137. #define isHeatingHotend0() isHeatingHotend(0)
  138. #define isCoolingHotend0() isCoolingHotend(0)
  139. #if EXTRUDERS > 1
  140. #define degHotend1() degHotend(1)
  141. #define degTargetHotend1() degTargetHotend(1)
  142. #define setTargetHotend1(_celsius) setTargetHotend((_celsius), 1)
  143. #define isHeatingHotend1() isHeatingHotend(1)
  144. #define isCoolingHotend1() isCoolingHotend(1)
  145. #else
  146. #define setTargetHotend1(_celsius) do{}while(0)
  147. #endif
  148. #if EXTRUDERS > 2
  149. #define degHotend2() degHotend(2)
  150. #define degTargetHotend2() degTargetHotend(2)
  151. #define setTargetHotend2(_celsius) setTargetHotend((_celsius), 2)
  152. #define isHeatingHotend2() isHeatingHotend(2)
  153. #define isCoolingHotend2() isCoolingHotend(2)
  154. #else
  155. #define setTargetHotend2(_celsius) do{}while(0)
  156. #endif
  157. #if EXTRUDERS > 3
  158. #error Invalid number of extruders
  159. #endif
  160. #if (defined (TEMP_RUNAWAY_BED_HYSTERESIS) && TEMP_RUNAWAY_BED_TIMEOUT > 0) || (defined (TEMP_RUNAWAY_EXTRUDER_HYSTERESIS) && TEMP_RUNAWAY_EXTRUDER_TIMEOUT > 0)
  161. static float temp_runaway_status[4];
  162. static float temp_runaway_target[4];
  163. static float temp_runaway_timer[4];
  164. static int temp_runaway_error_counter[4];
  165. void temp_runaway_check(int _heater_id, float _target_temperature, float _current_temperature, float _output, bool _isbed);
  166. void temp_runaway_stop(bool isPreheat, bool isBed);
  167. #endif
  168. int getHeaterPower(int heater);
  169. void disable_heater();
  170. void setWatch();
  171. void updatePID();
  172. FORCE_INLINE void autotempShutdown(){
  173. #ifdef AUTOTEMP
  174. if(autotemp_enabled)
  175. {
  176. autotemp_enabled=false;
  177. if(degTargetHotend(active_extruder)>autotemp_min)
  178. setTargetHotend(0,active_extruder);
  179. }
  180. #endif
  181. }
  182. void PID_autotune(float temp, int extruder, int ncycles);
  183. void setExtruderAutoFanState(int pin, bool state);
  184. void checkExtruderAutoFans();
  185. void countFanSpeed();
  186. void checkFanSpeed();
  187. void fanSpeedError(unsigned char _fan);
  188. void check_fans();
  189. void check_min_temp();
  190. void check_max_temp();
  191. #endif