My Marlin configs for Fabrikator Mini and CTC i3 Pro B
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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 TEMP_SENSOR_1_AS_REDUNDANT
  43. extern float redundant_temperature;
  44. #endif
  45. #if defined(CONTROLLERFAN_PIN) && CONTROLLERFAN_PIN > -1
  46. extern unsigned char soft_pwm_bed;
  47. #endif
  48. #ifdef PIDTEMP
  49. extern float Kp,Ki,Kd,Kc;
  50. float scalePID_i(float i);
  51. float scalePID_d(float d);
  52. float unscalePID_i(float i);
  53. float unscalePID_d(float d);
  54. #endif
  55. #ifdef PIDTEMPBED
  56. extern float bedKp,bedKi,bedKd;
  57. #endif
  58. #ifdef BABYSTEPPING
  59. extern volatile int babystepsTodo[3];
  60. #endif
  61. //high level conversion routines, for use outside of temperature.cpp
  62. //inline so that there is no performance decrease.
  63. //deg=degreeCelsius
  64. FORCE_INLINE float degHotend(uint8_t extruder) {
  65. return current_temperature[extruder];
  66. };
  67. #ifdef SHOW_TEMP_ADC_VALUES
  68. FORCE_INLINE float rawHotendTemp(uint8_t extruder) {
  69. return current_temperature_raw[extruder];
  70. };
  71. FORCE_INLINE float rawBedTemp() {
  72. return current_temperature_bed_raw;
  73. };
  74. #endif
  75. FORCE_INLINE float degBed() {
  76. return current_temperature_bed;
  77. };
  78. FORCE_INLINE float degTargetHotend(uint8_t extruder) {
  79. return target_temperature[extruder];
  80. };
  81. FORCE_INLINE float degTargetBed() {
  82. return target_temperature_bed;
  83. };
  84. FORCE_INLINE void setTargetHotend(const float &celsius, uint8_t extruder) {
  85. target_temperature[extruder] = celsius;
  86. };
  87. FORCE_INLINE void setTargetBed(const float &celsius) {
  88. target_temperature_bed = celsius;
  89. };
  90. FORCE_INLINE bool isHeatingHotend(uint8_t extruder){
  91. return target_temperature[extruder] > current_temperature[extruder];
  92. };
  93. FORCE_INLINE bool isHeatingBed() {
  94. return target_temperature_bed > current_temperature_bed;
  95. };
  96. FORCE_INLINE bool isCoolingHotend(uint8_t extruder) {
  97. return target_temperature[extruder] < current_temperature[extruder];
  98. };
  99. FORCE_INLINE bool isCoolingBed() {
  100. return target_temperature_bed < current_temperature_bed;
  101. };
  102. #define degHotend0() degHotend(0)
  103. #define degTargetHotend0() degTargetHotend(0)
  104. #define setTargetHotend0(_celsius) setTargetHotend((_celsius), 0)
  105. #define isHeatingHotend0() isHeatingHotend(0)
  106. #define isCoolingHotend0() isCoolingHotend(0)
  107. #if EXTRUDERS > 1
  108. #define degHotend1() degHotend(1)
  109. #define degTargetHotend1() degTargetHotend(1)
  110. #define setTargetHotend1(_celsius) setTargetHotend((_celsius), 1)
  111. #define isHeatingHotend1() isHeatingHotend(1)
  112. #define isCoolingHotend1() isCoolingHotend(1)
  113. #else
  114. #define setTargetHotend1(_celsius) do{}while(0)
  115. #endif
  116. #if EXTRUDERS > 2
  117. #define degHotend2() degHotend(2)
  118. #define degTargetHotend2() degTargetHotend(2)
  119. #define setTargetHotend2(_celsius) setTargetHotend((_celsius), 2)
  120. #define isHeatingHotend2() isHeatingHotend(2)
  121. #define isCoolingHotend2() isCoolingHotend(2)
  122. #else
  123. #define setTargetHotend2(_celsius) do{}while(0)
  124. #endif
  125. #if EXTRUDERS > 3
  126. #error Invalid number of extruders
  127. #endif
  128. int getHeaterPower(int heater);
  129. void disable_heater();
  130. void setWatch();
  131. void updatePID();
  132. #ifdef THERMAL_RUNAWAY_PROTECTION_PERIOD && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0
  133. void thermal_runaway_protection(int *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc);
  134. static int thermal_runaway_state_machine[3]; // = {0,0,0};
  135. static unsigned long thermal_runaway_timer[3]; // = {0,0,0};
  136. static bool thermal_runaway = false;
  137. #if TEMP_SENSOR_BED != 0
  138. static int thermal_runaway_bed_state_machine;
  139. static unsigned long thermal_runaway_bed_timer;
  140. #endif
  141. #endif
  142. FORCE_INLINE void autotempShutdown(){
  143. #ifdef AUTOTEMP
  144. if(autotemp_enabled)
  145. {
  146. autotemp_enabled=false;
  147. if(degTargetHotend(active_extruder)>autotemp_min)
  148. setTargetHotend(0,active_extruder);
  149. }
  150. #endif
  151. }
  152. void PID_autotune(float temp, int extruder, int ncycles);
  153. #endif