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CAD/Ultimaker 2 DIY/Firmware/20160823_UM2.1-Firmware-UM2.1/Marlin/temperature.h

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+/*
+  temperature.h - temperature controller
+  Part of Marlin
+
+  Copyright (c) 2011 Erik van der Zalm
+
+  Grbl is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  Grbl is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with Grbl.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef temperature_h
+#define temperature_h
+
+#include "Marlin.h"
+#include "planner.h"
+#ifdef PID_ADD_EXTRUSION_RATE
+  #include "stepper.h"
+#endif
+
+// public functions
+void tp_init();  //initialise the heating
+void manage_heater(); //it is critical that this is called periodically.
+
+// low level conversion routines
+// do not use these routines and variables outside of temperature.cpp
+extern int target_temperature[EXTRUDERS];
+extern float current_temperature[EXTRUDERS];
+extern int target_temperature_bed;
+extern float current_temperature_bed;
+#ifdef TEMP_SENSOR_1_AS_REDUNDANT
+  extern float redundant_temperature;
+#endif
+
+#ifdef PIDTEMP
+  extern float Kp,Ki,Kd,Kc;
+  float scalePID_i(float i);
+  float scalePID_d(float d);
+  float unscalePID_i(float i);
+  float unscalePID_d(float d);
+
+#endif
+#ifdef PIDTEMPBED
+  extern float bedKp,bedKi,bedKd;
+#endif
+
+//high level conversion routines, for use outside of temperature.cpp
+//inline so that there is no performance decrease.
+//deg=degreeCelsius
+
+FORCE_INLINE float degHotend(uint8_t extruder) {
+  return current_temperature[extruder];
+};
+
+FORCE_INLINE float degBed() {
+  return current_temperature_bed;
+};
+
+FORCE_INLINE float degTargetHotend(uint8_t extruder) {
+  return target_temperature[extruder];
+};
+
+FORCE_INLINE float degTargetBed() {
+  return target_temperature_bed;
+};
+
+FORCE_INLINE void setTargetHotend(const float &celsius, uint8_t extruder) {
+  target_temperature[extruder] = celsius;
+  if (target_temperature[extruder] >= HEATER_0_MAXTEMP - 15)
+    target_temperature[extruder] = HEATER_0_MAXTEMP - 15;
+};
+
+FORCE_INLINE void setTargetBed(const float &celsius) {
+  target_temperature_bed = celsius;
+#ifdef BED_MAXTEMP
+  if (target_temperature_bed >= BED_MAXTEMP - 15)
+    target_temperature_bed = BED_MAXTEMP - 15;
+#endif
+};
+
+FORCE_INLINE bool isHeatingHotend(uint8_t extruder){
+  return target_temperature[extruder] > current_temperature[extruder];
+};
+
+FORCE_INLINE bool isHeatingBed() {
+  return target_temperature_bed > current_temperature_bed;
+};
+
+FORCE_INLINE bool isCoolingHotend(uint8_t extruder) {
+  return target_temperature[extruder] < current_temperature[extruder];
+};
+
+FORCE_INLINE bool isCoolingBed() {
+  return target_temperature_bed < current_temperature_bed;
+};
+
+#define degHotend0() degHotend(0)
+#define degTargetHotend0() degTargetHotend(0)
+#define setTargetHotend0(_celsius) setTargetHotend((_celsius), 0)
+#define isHeatingHotend0() isHeatingHotend(0)
+#define isCoolingHotend0() isCoolingHotend(0)
+#if EXTRUDERS > 1
+#define degHotend1() degHotend(1)
+#define degTargetHotend1() degTargetHotend(1)
+#define setTargetHotend1(_celsius) setTargetHotend((_celsius), 1)
+#define isHeatingHotend1() isHeatingHotend(1)
+#define isCoolingHotend1() isCoolingHotend(1)
+#else
+#define setTargetHotend1(_celsius) do{}while(0)
+#endif
+#if EXTRUDERS > 2
+#define degHotend2() degHotend(2)
+#define degTargetHotend2() degTargetHotend(2)
+#define setTargetHotend2(_celsius) setTargetHotend((_celsius), 2)
+#define isHeatingHotend2() isHeatingHotend(2)
+#define isCoolingHotend2() isCoolingHotend(2)
+#else
+#define setTargetHotend2(_celsius) do{}while(0)
+#endif
+#if EXTRUDERS > 3
+#error Invalid number of extruders
+#endif
+
+
+
+int getHeaterPower(int heater);
+void disable_heater();
+void setWatch();
+void updatePID();
+
+FORCE_INLINE void autotempShutdown(){
+ #ifdef AUTOTEMP
+ if(autotemp_enabled)
+ {
+  autotemp_enabled=false;
+  if(degTargetHotend(active_extruder)>autotemp_min)
+    setTargetHotend(0,active_extruder);
+ }
+ #endif
+}
+
+void PID_autotune(float temp, int extruder, int ncycles);
+
+#endif
+