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Extruder.cpp
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Extruder.cpp
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/*
This file is part of the Repetier-Firmware for RF devices from Conrad Electronic SE.
Repetier-Firmware 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.
Repetier-Firmware 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 Repetier-Firmware. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Repetier.h"
#include "pins_arduino.h"
#if EEPROM_MODE!=0
#include "Eeprom.h"
#endif // EEPROM_MODE!=0
uint8_t manageMonitor = 255; ///< Temp. we want to monitor with our host. 1+NUM_EXTRUDER is heated bed
volatile uint8_t execute100msPeriodical = 0;
volatile uint8_t execute16msPeriodical = 0;
volatile uint8_t execute10msPeriodical = 0;
#if FEATURE_DITTO_PRINTING
uint8_t Extruder::dittoMode = 0;
#endif // FEATURE_DITTO_PRINTING
#if ANALOG_INPUTS>0
const uint8 osAnalogInputChannels[] PROGMEM = ANALOG_INPUT_CHANNELS;
volatile uint8 osAnalogInputCounter[ANALOG_INPUTS] = {0};
volatile uint osAnalogInputBuildup[ANALOG_INPUTS] = {0};
volatile uint8 osAnalogInputPos=0; // Current sampling position
volatile uint osAnalogInputValues[ANALOG_INPUTS] = {0};
#endif // ANALOG_INPUTS>0
#ifdef USE_GENERIC_THERMISTORTABLE_1
short temptable_generic1[GENERIC_THERM_NUM_ENTRIES][2];
#endif
#ifdef USE_GENERIC_THERMISTORTABLE_2
short temptable_generic2[GENERIC_THERM_NUM_ENTRIES][2];
#endif
#ifdef USE_GENERIC_THERMISTORTABLE_3
short temptable_generic3[GENERIC_THERM_NUM_ENTRIES][2];
#endif
/** Makes updates to temperatures and heater state every call.
Is called every 100ms.
*/
static uint8_t extruderTempErrors = 0;
void Extruder::manageTemperatures()
{
#if FEATURE_MILLING_MODE
if( Printer::operatingMode != OPERATING_MODE_PRINT )
{
// we do not check temperatures in case we are not in operating mode print
return;
}
#endif // FEATURE_MILLING_MODE
uint8_t errorDetected = 0;
for(uint8_t controller=0; controller<NUM_TEMPERATURE_LOOPS; controller++)
{
TemperatureController *act = tempController[controller];
// Get Temperature
act->updateCurrentTemperature();
if(controller == autotuneIndex) continue; // Ignore heater we are currently testing
if(controller<NUM_EXTRUDER)
{
#if NUM_EXTRUDER>=2 && EXT0_EXTRUDER_COOLER_PIN==EXT1_EXTRUDER_COOLER_PIN && EXT0_EXTRUDER_COOLER_PIN>=0
if(controller==1 && autotuneIndex!=0 && autotuneIndex!=1)
if(tempController[0]->currentTemperatureC<EXTRUDER_FAN_COOL_TEMP && tempController[0]->targetTemperatureC<EXTRUDER_FAN_COOL_TEMP &&
tempController[1]->currentTemperatureC<EXTRUDER_FAN_COOL_TEMP && tempController[1]->targetTemperatureC<EXTRUDER_FAN_COOL_TEMP)
extruder[0].coolerPWM = 0;
else
extruder[0].coolerPWM = extruder[0].coolerSpeed;
if(controller>1)
#endif // NUM_EXTRUDER>=2 && EXT0_EXTRUDER_COOLER_PIN==EXT1_EXTRUDER_COOLER_PIN && EXT0_EXTRUDER_COOLER_PIN>=0
if(act->currentTemperatureC<EXTRUDER_FAN_COOL_TEMP && act->targetTemperatureC<EXTRUDER_FAN_COOL_TEMP)
extruder[controller].coolerPWM = 0;
else
extruder[controller].coolerPWM = extruder[controller].coolerSpeed;
}
if(!Printer::isAnyTempsensorDefect() && (act->currentTemperatureC < MIN_DEFECT_TEMPERATURE || act->currentTemperatureC > MAX_DEFECT_TEMPERATURE)) // no temp sensor or short in sensor, disable heater
{
extruderTempErrors++;
errorDetected = 1;
if(extruderTempErrors > 10) // Ignore short temporary failures
{
Printer::flag0 |= PRINTER_FLAG0_TEMPSENSOR_DEFECT;
reportTempsensorError();
Com::printFLN( PSTR( "RequestStop:" ) ); //tell repetier-host / server to stop printing
Com::printFLN( PSTR( "// action:disconnect" ) ); //tell octoprint to disconnect
showError( (void*)ui_text_temperature_manager, (void*)ui_text_sensor_error );
}
}
if(Printer::isAnyTempsensorDefect()) continue;
uint8_t on = act->currentTemperature>=act->targetTemperature ? LOW : HIGH;
if(!on && act->isAlarm())
{
beep(50*(controller+1),3);
act->setAlarm(false); //reset alarm
}
act->tempArray[act->tempPointer++] = act->currentTemperatureC; //ist in jedem fall voll mit gültigen temperaturen, wenn der regelbereich erreicht wird.
//act->tempPointer &= 3; // 3 = springe von 4 = 100b auf 0 zurück, wenn 3. -> 1/300ms -> 3.33 = reciproke !!tempArray needs [4] ...
//act->tempPointer &= 7; // 7 = springe von 8 = 1000b auf 0 zurück, wenn 7. -> 1/700ms -> 1.42 = reciproke !!tempArray needs [8] ...
act->tempPointer &= 15; // 15 = springe von 16 = 10000b zurück auf 0, wenn 15 -> 1/1500ms -> 0.666 = reciproke !!tempArray needs [16] ...
uint8_t output;
float error = act->targetTemperatureC - act->currentTemperatureC;
if( act->targetTemperatureC < 20.0f )
{
output = 0; // off is off, even if damping term wants a heat peak!
act->tempIState = 0;
}
else if( error > PID_CONTROL_RANGE )
{
output = act->pidMax;
act->tempIState = 0;
}
else if( error < -PID_CONTROL_RANGE )
{
output = 0;
act->tempIState = 0;
}
else
{
float pidTerm = 0;
float pgain = act->pidPGain * error;
pidTerm += pgain;
act->tempIState = constrain(act->tempIState + error, act->tempIStateLimitMin, act->tempIStateLimitMax);
float igain = act->pidIGain * act->tempIState * 0.1; // 0.1 = 10Hz
pidTerm += igain;
float dgain = act->pidDGain * (act->tempArray[act->tempPointer] - act->currentTemperatureC) * 0.666f; // raising dT/dt, 0.666 = reciproke of time interval (1500 ms) -> temparray greift weiter zurück als letzte messung.
pidTerm += dgain;
#if SCALE_PID_TO_MAX==1
pidTerm = (pidTerm*act->pidMax)*0.0039062;
#endif // SCALE_PID_TO_MAX==1
output = constrain((int)pidTerm, 0, act->pidMax);
}
pwm_pos[act->pwmIndex] = output;
#ifdef EXTRUDER_MAX_TEMP
if(act->currentTemperatureC>EXTRUDER_MAX_TEMP) // Force heater off if EXTRUDER_MAX_TEMP is exceeded
pwm_pos[act->pwmIndex] = 0;
#endif // EXTRUDER_MAX_TEMP
#if LED_PIN>-1
if(act == &Extruder::current->tempControl)
WRITE(LED_PIN,on);
#endif // LED_PIN>-1
}
if(errorDetected == 0 && extruderTempErrors>0)
extruderTempErrors--;
if(Printer::isAnyTempsensorDefect())
{
for(uint8_t i=0; i<NUM_TEMPERATURE_LOOPS; i++)
{
pwm_pos[tempController[i]->pwmIndex] = 0;
}
Printer::debugLevel |= 8; // Go into dry mode
}
} // manageTemperatures
void Extruder::initHeatedBed()
{
#if HAVE_HEATED_BED
heatedBedController.updateTempControlVars();
#endif // HAVE_HEATED_BED
} // initHeatedBed
#if defined(USE_GENERIC_THERMISTORTABLE_1) || defined(USE_GENERIC_THERMISTORTABLE_2) || defined(USE_GENERIC_THERMISTORTABLE_3)
void createGenericTable(short table[GENERIC_THERM_NUM_ENTRIES][2],short minTemp,short maxTemp,float beta,float r0,float t0,float r1,float r2)
{
t0 += 273.15f;
float rs, vs;
if(r1==0)
{
rs = r2;
vs = GENERIC_THERM_VREF;
}
else
{
vs =static_cast<float>((GENERIC_THERM_VREF * r1) / (r1 + r2));
rs = (r2 * r1) / (r1 + r2);
}
float k = r0 * exp(-beta / t0);
float delta = (maxTemp-minTemp) / (GENERIC_THERM_NUM_ENTRIES - 1.0f);
for(uint8_t i = 0; i < GENERIC_THERM_NUM_ENTRIES; i++)
{
float t = maxTemp - i * delta;
float r = exp(beta / (t + 272.65)) * k;
float v = 4092 * r * vs / ((rs + r) * GENERIC_THERM_VREF);
int adc = static_cast<int>(v);
t *= 8;
if(adc > 4092) adc = 4092;
table[i][0] = (adc >> (ANALOG_REDUCE_BITS));
table[i][1] = static_cast<int>(t);
#ifdef DEBUG_GENERIC_TEMP_TABLE
Com::printF(Com::tGenTemp,table[i][0]);
Com::printFLN(Com::tComma,table[i][1]);
#endif
}
}
#endif
/** \brief Initalizes all extruder.
Updates the pin configuration needed for the extruder and activates extruder 0.
Starts a interrupt based analog input reader, which is used by simple thermistors
for temperature reading.
*/
void Extruder::initExtruder()
{
uint8_t i;
Extruder::current = &extruder[0];
#ifdef USE_GENERIC_THERMISTORTABLE_1
createGenericTable(temptable_generic1,GENERIC_THERM1_MIN_TEMP,GENERIC_THERM1_MAX_TEMP,GENERIC_THERM1_BETA,GENERIC_THERM1_R0,GENERIC_THERM1_T0,GENERIC_THERM1_R1,GENERIC_THERM1_R2);
#endif // USE_GENERIC_THERMISTORTABLE_1
#ifdef USE_GENERIC_THERMISTORTABLE_2
createGenericTable(temptable_generic2,GENERIC_THERM2_MIN_TEMP,GENERIC_THERM2_MAX_TEMP,GENERIC_THERM2_BETA,GENERIC_THERM2_R0,GENERIC_THERM2_T0,GENERIC_THERM2_R1,GENERIC_THERM2_R2);
#endif // USE_GENERIC_THERMISTORTABLE_2
#ifdef USE_GENERIC_THERMISTORTABLE_3
createGenericTable(temptable_generic3,GENERIC_THERM3_MIN_TEMP,GENERIC_THERM3_MAX_TEMP,GENERIC_THERM3_BETA,GENERIC_THERM3_R0,GENERIC_THERM3_T0,GENERIC_THERM3_R1,GENERIC_THERM3_R2);
#endif // USE_GENERIC_THERMISTORTABLE_3
#if defined(EXT0_STEP_PIN) && EXT0_STEP_PIN>-1
SET_OUTPUT(EXT0_DIR_PIN);
SET_OUTPUT(EXT0_STEP_PIN);
#endif // defined(EXT0_STEP_PIN) && EXT0_STEP_PIN>-1
#if defined(EXT1_STEP_PIN) && EXT1_STEP_PIN>-1 && NUM_EXTRUDER>1
SET_OUTPUT(EXT1_DIR_PIN);
SET_OUTPUT(EXT1_STEP_PIN);
#endif // defined(EXT1_STEP_PIN) && EXT1_STEP_PIN>-1 && NUM_EXTRUDER>1
for(i=0; i<NUM_EXTRUDER; ++i)
{
Extruder *act = &extruder[i];
if(act->enablePin > -1)
{
HAL::pinMode(act->enablePin,OUTPUT);
if(!act->enableOn) HAL::digitalWrite(act->enablePin,HIGH);
}
act->tempControl.lastTemperatureUpdate = HAL::timeInMilliseconds();
act->tempControl.updateTempControlVars();
}
#if HEATED_BED_HEATER_PIN>-1
SET_OUTPUT(HEATED_BED_HEATER_PIN);
WRITE(HEATED_BED_HEATER_PIN,HEATER_PINS_INVERTED);
Extruder::initHeatedBed();
#endif // HEATED_BED_HEATER_PIN>-1
HAL::analogStart();
} // initExtruder
void TemperatureController::updateTempControlVars()
{
if(pidIGain!=0) // prevent division by zero
{
tempIStateLimitMax = (float)pidDriveMax * PID_CONTROL_DRIVE_MAX_LIMIT_FACTOR / pidIGain;
tempIStateLimitMin = (float)pidDriveMin * PID_CONTROL_DRIVE_MIN_LIMIT_FACTOR / pidIGain; //Bisher hatte der PID-Regler keinen negativen I-Anteil, weil die Limits nicht ins Negative dürfen. Jetzt schon. Es ist das Minus in der Config, das die Stabilität bringt.
}
} // updateTempControlVars
/** \brief Select extruder ext_num.
This function changes and initalizes a new extruder. This is also called, after the eeprom values are changed.
*/
void Extruder::selectExtruderById(uint8_t extruderId)
{
#if FEATURE_MILLING_MODE
if( Printer::operatingMode == OPERATING_MODE_MILL )
{
// in operating mode mill, the extruders are not used
return;
}
#endif // FEATURE_MILLING_MODE
if(extruderId>=NUM_EXTRUDER)
extruderId = 0;
#if NUM_EXTRUDER>1
bool executeSelect = false;
if(extruderId!=Extruder::current->id)
{
GCode::executeFString(Extruder::current->deselectCommands);
executeSelect = true;
}
#endif // NUM_EXTRUDER>1
#if STEPPER_ON_DELAY
Extruder::current->enabled = 0;
#endif // STEPPER_ON_DELAY
Extruder::current->extrudePosition = Printer::queuePositionLastSteps[E_AXIS];
Extruder::current = &extruder[extruderId];
#ifdef SEPERATE_EXTRUDER_POSITIONS
// Use seperate extruder positions only if beeing told. Slic3r e.g. creates a continuous extruder position increment
Printer::queuePositionLastSteps[E_AXIS] = Extruder::current->extrudePosition;
#endif // SEPERATE_EXTRUDER_POSITIONS
Printer::queuePositionTargetSteps[E_AXIS] = Printer::queuePositionLastSteps[E_AXIS];
Printer::axisStepsPerMM[E_AXIS] = Extruder::current->stepsPerMM;
Printer::invAxisStepsPerMM[E_AXIS] = 1.0f/Printer::axisStepsPerMM[E_AXIS];
Printer::maxFeedrate[E_AXIS] = Extruder::current->maxFeedrate;
Printer::maxAccelerationMMPerSquareSecond[E_AXIS] = Printer::maxTravelAccelerationMMPerSquareSecond[E_AXIS] = Extruder::current->maxAcceleration;
Printer::maxTravelAccelerationStepsPerSquareSecond[E_AXIS] = Printer::maxPrintAccelerationStepsPerSquareSecond[E_AXIS] = Printer::maxAccelerationMMPerSquareSecond[E_AXIS] * Printer::axisStepsPerMM[E_AXIS];
g_nManualSteps[E_AXIS] = uint32_t(Printer::axisStepsPerMM[E_AXIS] * DEFAULT_MANUAL_MM_E);
g_nPauseSteps[E_AXIS] = long (Printer::axisStepsPerMM[E_AXIS] * DEFAULT_PAUSE_MM_E);
#if USE_ADVANCE
Printer::maxExtruderSpeed = (uint8_t)floor(HAL::maxExtruderTimerFrequency() / (Extruder::current->maxFeedrate * Extruder::current->stepsPerMM));
if(Printer::maxExtruderSpeed>15) Printer::maxExtruderSpeed = 15;
float fmax=((float)HAL::maxExtruderTimerFrequency()/((float)Printer::maxExtruderSpeed*Printer::axisStepsPerMM[E_AXIS])); // Limit feedrate to interrupt speed
if(fmax<Printer::maxFeedrate[E_AXIS]) Printer::maxFeedrate[E_AXIS] = fmax;
#endif // USE_ADVANCE
Extruder::current->tempControl.updateTempControlVars();
Printer::extruderOffset[X_AXIS] = -Extruder::current->xOffset*Printer::invAxisStepsPerMM[X_AXIS];
Printer::extruderOffset[Y_AXIS] = -Extruder::current->yOffset*Printer::invAxisStepsPerMM[Y_AXIS];
Printer::extruderOffset[Z_AXIS] = -Extruder::current->zOffset*Printer::invAxisStepsPerMM[Z_AXIS];
//uncomment when inserting diameter for hotend x // Commands::changeFlowrateMultiply(static_cast<float>(Printer::extrudeMultiply)); // needed to adjust extrusionFactor to possibly different diameter
if(Printer::areAxisHomed())
{
Printer::moveToReal(IGNORE_COORDINATE,IGNORE_COORDINATE,IGNORE_COORDINATE,IGNORE_COORDINATE,Printer::homingFeedrate[X_AXIS]);
}
Printer::updateCurrentPosition();
#if USE_ADVANCE
HAL::resetExtruderDirection();
#endif // USE_ADVANCE
#if NUM_EXTRUDER>1
if(executeSelect) // Run only when changing
GCode::executeFString(Extruder::current->selectCommands);
#endif // NUM_EXTRUDER>1
} // selectExtruderById
void Extruder::setTemperatureForExtruder(float temperatureInCelsius,uint8_t extr,bool beep)
{
if( extr >= NUM_EXTRUDER )
{
// do not set the temperature for an extruder which is not present - this attempt could heat up the extruder without any control and could significantly overheat the extruder
if(temperatureInCelsius > 0) Com::printFLN( PSTR( "setTemperatureForExtruder(): cant set Temp for Extr. T" ), extr );
return;
}
bool alloffs = true;
for(uint8_t i=0; i < NUM_EXTRUDER; i++)
if(tempController[i]->targetTemperatureC > 15) alloffs = false;
#ifdef EXTRUDER_MAX_TEMP
if(temperatureInCelsius>EXTRUDER_MAX_TEMP) temperatureInCelsius = EXTRUDER_MAX_TEMP;
#endif // EXTRUDER_MAX_TEMP
if(temperatureInCelsius < 0) temperatureInCelsius=0;
TemperatureController *tc = tempController[extr];
tc->setTargetTemperature(temperatureInCelsius,0);
tc->updateTempControlVars();
if(beep && temperatureInCelsius > 30)
tc->setAlarm(true);
if(temperatureInCelsius>=EXTRUDER_FAN_COOL_TEMP) extruder[extr].coolerPWM = extruder[extr].coolerSpeed;
if( Printer::debugInfo() )
{
Com::printF(Com::tTargetExtr,extr,0);
Com::printFLN(Com::tColon,temperatureInCelsius,0);
}
#if FEATURE_CASE_FAN && !CASE_FAN_ALWAYS_ON
if(Printer::ignoreFanOn){
//ignore the case fan whenever there is another cooling solution available // Nibbels
//the fan should still be connected within the rf2000 but might be avoided to suppress noise.
//the ignore-flag has to be set at runtime to prevent unlearned persons to risk overheat having the wrong startcode.
//enable and disable the fan with M3120 or M3121 or M3300 P3 S{1,0}
Printer::prepareFanOff = 0;
Printer::fanOffDelay = 0;
}else{
bool isheating = false;
for(uint8_t i=0; i < NUM_EXTRUDER; i++) if(tempController[i]->targetTemperatureC > CASE_FAN_ON_TEMPERATURE) isheating = true;
if( isheating )
{
// enable the case fan in case any extruder is turned on
Printer::prepareFanOff = 0;
WRITE(CASE_FAN_PIN, 1);
}
else
{
// disable the case fan in case the extruder is turned off
if( Printer::fanOffDelay )
{
// we are going to disable the case fan after the delay
Printer::prepareFanOff = HAL::timeInMilliseconds();
}
else
{
// we are going to disable the case fan now
Printer::prepareFanOff = 0;
WRITE(CASE_FAN_PIN, 0);
}
}
}
#endif // FEATURE_CASE_FAN && !CASE_FAN_ALWAYS_ON
#if FEATURE_DITTO_PRINTING
if(Extruder::dittoMode && extr == 0)
{
TemperatureController *tc2 = tempController[1];
tc2->setTargetTemperature(temperatureInCelsius,0);
tc2->updateTempControlVars();
if(temperatureInCelsius >= EXTRUDER_FAN_COOL_TEMP) extruder[1].coolerPWM = extruder[1].coolerSpeed;
}
#endif // FEATURE_DITTO_PRINTING
bool alloff = true;
for(uint8_t i=0; i < NUM_EXTRUDER; i++)
if(tempController[i]->targetTemperatureC > 15) alloff = false;
#if EEPROM_MODE != 0
if(alloff && !alloffs) // All heaters are now switched off?
{
#if FEATURE_MILLING_MODE
if( Printer::operatingMode == OPERATING_MODE_PRINT )
{
EEPROM::updatePrinterUsage();
}
#else
EEPROM::updatePrinterUsage();
#endif // FEATURE_MILLING_MODE
}
#endif // EEPROM_MODE != 0
if(alloffs && !alloff) // heaters are turned on, start measuring printing time
{
Printer::msecondsPrinting = HAL::timeInMilliseconds();
Printer::filamentPrinted = 0; // new print, new counter
Printer::flag2 &= ~PRINTER_FLAG2_RESET_FILAMENT_USAGE;
}
} // setTemperatureForExtruder
void Extruder::setTemperatureForAllExtruders(float temperatureInCelsius, bool beep){
for(uint8_t extrNr = 0; extrNr < NUM_EXTRUDER; extrNr++) Extruder::setTemperatureForExtruder(temperatureInCelsius, extrNr, beep);
}
void Extruder::setHeatedBedTemperature(float temperatureInCelsius,bool beep)
{
#if HAVE_HEATED_BED
float offset = 0.0;
if(temperatureInCelsius>HEATED_BED_MAX_TEMP) temperatureInCelsius = HEATED_BED_MAX_TEMP;
if(temperatureInCelsius<0) temperatureInCelsius = 0;
if(heatedBedController.targetTemperatureC==temperatureInCelsius) return; // don't flood log with messages if killed
#if FEATURE_HEAT_BED_TEMP_COMPENSATION
offset = -getHeatBedTemperatureOffset( temperatureInCelsius );
#if DEBUG_HEAT_BED_TEMP_COMPENSATION
Com::printF( PSTR( "setHeatedBedTemperature(): " ), temperatureInCelsius );
Com::printFLN( PSTR( ", " ), offset );
#endif // DEBUG_HEAT_BED_TEMP_COMPENSATION
#endif // FEATURE_HEAT_BED_TEMP_COMPENSATION
heatedBedController.setTargetTemperature(temperatureInCelsius, offset);
if(beep && temperatureInCelsius>30) heatedBedController.setAlarm(true);
if( Printer::debugInfo() )
{
Com::printFLN(Com::tTargetBedColon,heatedBedController.targetTemperatureC,0);
}
#endif // HAVE_HEATED_BED
} // setHeatedBedTemperature
float Extruder::getHeatedBedTemperature()
{
#if HAVE_HEATED_BED
TemperatureController *c = tempController[NUM_TEMPERATURE_LOOPS-1];
return c->currentTemperatureC;
#else
return -1;
#endif // HAVE_HEATED_BED
} // getHeatedBedTemperature
void Extruder::disableCurrentExtruderMotor()
{
if(Extruder::current->enablePin > -1)
HAL::digitalWrite(Extruder::current->enablePin,!Extruder::current->enableOn);
#if FEATURE_DITTO_PRINTING
if(Extruder::dittoMode)
{
if(extruder[1].enablePin > -1)
HAL::digitalWrite(extruder[1].enablePin,!extruder[1].enableOn);
}
#endif // FEATURE_DITTO_PRINTING
#if STEPPER_ON_DELAY
Extruder::current->enabled = 0;
#endif // STEPPER_ON_DELAY
cleanupEPositions();
} // disableCurrentExtruderMotor
void Extruder::disableAllExtruders()
{
Extruder* e;
uint8_t mode = OPERATING_MODE_PRINT;
#if FEATURE_MILLING_MODE
if( Printer::operatingMode == OPERATING_MODE_MILL )
{
mode = OPERATING_MODE_MILL;
}
#endif // FEATURE_MILLING_MODE
if( mode == OPERATING_MODE_PRINT )
{
for(uint8_t i=0; i<NUM_EXTRUDER; i++ )
{
e = &extruder[i];
if(e->enablePin > -1)
HAL::digitalWrite(e->enablePin,!e->enableOn);
#if STEPPER_ON_DELAY
e->enabled = 0;
#endif // STEPPER_ON_DELAY
}
}
cleanupEPositions();
} // disableAllExtruders
#define NUMTEMPS_1 28
// Epcos B57560G0107F000
const short temptable_1[NUMTEMPS_1][2] PROGMEM =
{
{0,4000},{92,2400},{105,2320},{121,2240},{140,2160},{162,2080},{189,2000},{222,1920},{261,1840},{308,1760},
{365,1680},{434,1600},{519,1520},{621,1440},{744,1360},{891,1280},{1067,1200},{1272,1120},
{1771,960},{2357,800},{2943,640},{3429,480},{3760,320},{3869,240},{3912,200},{3948,160},{4077,-160},{4094,-440}
};
// is 200k thermistor
#define NUMTEMPS_2 21
const short temptable_2[NUMTEMPS_2][2] PROGMEM =
{
{1*4, 848*8},{54*4, 275*8}, {107*4, 228*8}, {160*4, 202*8},{213*4, 185*8}, {266*4, 171*8}, {319*4, 160*8}, {372*4, 150*8},
{425*4, 141*8}, {478*4, 133*8},{531*4, 125*8},{584*4, 118*8},{637*4, 110*8},{690*4, 103*8},{743*4, 95*8},{796*4, 86*8},
{849*4, 77*8},{902*4, 65*8},{955*4, 49*8},{1008*4, 17*8},{1020*4, 0*8} //safety
};
// mendel-parts thermistor (EPCOS G550) = NTC mit 100kOhm
#define NUMTEMPS_3 28
const short temptable_3[NUMTEMPS_3][2] PROGMEM =
{
{1*4,864*8},{21*4,300*8},{25*4,290*8},{29*4,280*8},{33*4,270*8},{39*4,260*8},{46*4,250*8},{54*4,240*8},{64*4,230*8},{75*4,220*8},
{90*4,210*8},{107*4,200*8},{128*4,190*8},{154*4,180*8},{184*4,170*8},{221*4,160*8},{265*4,150*8},{316*4,140*8},{375*4,130*8},
{441*4,120*8},{513*4,110*8},{588*4,100*8},{734*4,80*8},{856*4,60*8},{938*4,40*8},{986*4,20*8},{1008*4,0*8},{1018*4,-20*8}
};
// is 10k thermistor
#define NUMTEMPS_4 20
const short temptable_4[NUMTEMPS_4][2] PROGMEM =
{
{1*4, 430*8},{54*4, 137*8},{107*4, 107*8},{160*4, 91*8},{213*4, 80*8},{266*4, 71*8},{319*4, 64*8},{372*4, 57*8},{425*4, 51*8},
{478*4, 46*8},{531*4, 41*8},{584*4, 35*8},{637*4, 30*8},{690*4, 25*8},{743*4, 20*8},{796*4, 14*8},{849*4, 7*8},{902*4, 0*8},
{955*4, -11*8},{1008*4, -35*8}
};
// ATC Semitec 104GT-2 / E3D Hotend Thermistor
#define NUMTEMPS_8 34
const short temptable_8[NUMTEMPS_8][2] PROGMEM =
{
{0,8000},{69,2400},{79,2320},{92,2240},{107,2160},{125,2080},{146,2000},{172,1920},{204,1840},{244,1760},{291,1680},{350,1600},
{422,1520},{511,1440},{621,1360},{755,1280},{918,1200},{1114,1120},{1344,1040},{1608,960},{1902,880},{2216,800},{2539,720},
{2851,640},{3137,560},{3385,480},{3588,400},{3746,320},{3863,240},{3945,160},{4002,80},{4038,0},{4061,-80},{4075,-160}
};
// 100k Honeywell 135-104LAG-J01
#define NUMTEMPS_9 67
const short temptable_9[NUMTEMPS_9][2] PROGMEM =
{
{1*4, 941*8},{19*4, 362*8},{37*4, 299*8}, //top rating 300C
{55*4, 266*8},{73*4, 245*8},{91*4, 229*8},{109*4, 216*8},{127*4, 206*8},{145*4, 197*8},{163*4, 190*8},{181*4, 183*8},{199*4, 177*8},
{217*4, 171*8},{235*4, 166*8},{253*4, 162*8},{271*4, 157*8},{289*4, 153*8},{307*4, 149*8},{325*4, 146*8},{343*4, 142*8},{361*4, 139*8},
{379*4, 135*8},{397*4, 132*8},{415*4, 129*8},{433*4, 126*8},{451*4, 123*8},{469*4, 121*8},{487*4, 118*8},{505*4, 115*8},{523*4, 112*8},
{541*4, 110*8},{559*4, 107*8},{577*4, 105*8},{595*4, 102*8},{613*4, 99*8},{631*4, 97*8},{649*4, 94*8},{667*4, 92*8},{685*4, 89*8},
{703*4, 86*8},{721*4, 84*8},{739*4, 81*8},{757*4, 78*8},{775*4, 75*8},{793*4, 72*8},{811*4, 69*8},{829*4, 66*8},{847*4, 62*8},
{865*4, 59*8},{883*4, 55*8},{901*4, 51*8},{919*4, 46*8},{937*4, 41*8},
{955*4, 35*8},{973*4, 27*8},{991*4, 17*8},{1009*4, 1*8},{1023*4, 0} //to allow internal 0 degrees C
};
// 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup)
#define NUMTEMPS_10 20
const short temptable_10[NUMTEMPS_10][2] PROGMEM =
{
{1*4, 704*8},{54*4, 216*8},{107*4, 175*8},{160*4, 152*8},{213*4, 137*8},{266*4, 125*8},{319*4, 115*8},{372*4, 106*8},{425*4, 99*8},
{478*4, 91*8},{531*4, 85*8},{584*4, 78*8},{637*4, 71*8},{690*4, 65*8},{743*4, 58*8},{796*4, 50*8},{849*4, 42*8},{902*4, 31*8},
{955*4, 17*8},{1008*4, 0}
};
// 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)
#define NUMTEMPS_11 31
const short temptable_11[NUMTEMPS_11][2] PROGMEM =
{
{1*4, 936*8},{36*4, 300*8},{71*4, 246*8},{106*4, 218*8},{141*4, 199*8},{176*4, 185*8},{211*4, 173*8},{246*4, 163*8},{281*4, 155*8},
{316*4, 147*8},{351*4, 140*8},{386*4, 134*8},{421*4, 128*8},{456*4, 122*8},{491*4, 117*8},{526*4, 112*8},{561*4, 107*8},{596*4, 102*8},
{631*4, 97*8},{666*4, 92*8},{701*4, 87*8},{736*4, 81*8},{771*4, 76*8},{806*4, 70*8},{841*4, 63*8},{876*4, 56*8},{911*4, 48*8},
{946*4, 38*8},{981*4, 23*8},{1005*4, 5*8},{1016*4, 0}
};
// 100k RS thermistor 198-961 (4.7k pullup)
#define NUMTEMPS_12 31
const short temptable_12[NUMTEMPS_12][2] PROGMEM =
{
{1*4, 929*8},{36*4, 299*8},{71*4, 246*8},{106*4, 217*8},{141*4, 198*8},{176*4, 184*8},{211*4, 173*8},{246*4, 163*8},{281*4, 154*8},{316*4, 147*8},
{351*4, 140*8},{386*4, 134*8},{421*4, 128*8},{456*4, 122*8},{491*4, 117*8},{526*4, 112*8},{561*4, 107*8},{596*4, 102*8},{631*4, 97*8},{666*4, 91*8},
{701*4, 86*8},{736*4, 81*8},{771*4, 76*8},{806*4, 70*8},{841*4, 63*8},{876*4, 56*8},{911*4, 48*8},{946*4, 38*8},{981*4, 23*8},{1005*4, 5*8},{1016*4, 0*8}
};
/*
// PT100 E3D
#define NUMTEMPS_13 19
const short temptable_13[NUMTEMPS_13][2] PROGMEM =
{
{0,0},{908,8},{942,10*8},{982,20*8},{1015,8*30},{1048,8*40},{1080,8*50},{1113,8*60},{1146,8*70},{1178,8*80},{1211,8*90},{1276,8*110},{1318,8*120}
,{1670,8*230},{2455,8*500},{3445,8*900},{3666,8*1000},{3871,8*1100},{4095,8*2000}
};
*/
//TODO: Tabelle startet erst bei 92°C ... Kleine Rundungszacken am Anfang, weil alles *4.
#define NUMTEMPS_13 61 // NTC 3950 100k thermistor - Conrad V3
const short temptable_13[NUMTEMPS_13][2] PROGMEM =
{
{23*4, 300*8},{25*4, 295*8},{27*4, 290*8},{28*4, 285*8},{31*4, 280*8},{33*4, 275*8},{35*4, 270*8},{38*4, 265*8},{41*4, 260*8},{44*4, 255*8},
{48*4, 250*8},{52*4, 245*8},{56*4, 240*8},{61*4, 235*8},{66*4, 230*8},{71*4, 225*8},{78*4, 220*8},{84*4, 215*8},{92*4, 210*8},{100*4, 205*8},
{109*4, 200*8},{120*4, 195*8},{131*4, 190*8},{143*4, 185*8},{156*4, 180*8},{171*4, 175*8},{187*4, 170*8},{205*4, 165*8},{224*4, 160*8},{245*4, 155*8},
{268*4, 150*8},{293*4, 145*8},{320*4, 140*8},{348*4, 135*8},{379*4, 130*8},{411*4, 125*8},{445*4, 120*8},{480*4, 115*8},{516*4, 110*8},{553*4, 105*8},
{591*4, 100*8},{628*4, 95*8},{665*4, 90*8},{702*4, 85*8},{737*4, 80*8},{770*4, 75*8},{801*4, 70*8},{830*4, 65*8},{857*4, 60*8},{881*4, 55*8},
{903*4, 50*8},{922*4, 45*8},{939*4, 40*8},{954*4, 35*8},{966*4, 30*8},{977*4, 25*8},{985*4, 20*8},{993*4, 15*8},{999*4, 10*8},{1004*4, 5*8},
{1008*4, 0*8}
};
// Thermistor NTC 3950 100k Ohm (other source)
#define NUMTEMPS_14 103
const short temptable_14[NUMTEMPS_14][2] PROGMEM = {
{1*4,938*8},{11*4,423*8},{21*4,351*8},{31*4,314*8},{41*4,290*8},{51*4,272*8},{61*4,258*8},{71*4,247*8},\
{81*4,237*8},{91*4,229*8},{101*4,221*8},{111*4,215*8},{121*4,209*8},{131*4,204*8},{141*4,199*8},{151*4,195*8},\
{161*4,190*8},{171*4,187*8},{181*4,183*8},{191*4,179*8},{201*4,176*8},{211*4,173*8},{221*4,170*8},{231*4,167*8},\
{241*4,165*8},{251*4,162*8},{261*4,160*8},{271*4,157*8},{281*4,155*8},{291*4,153*8},{301*4,150*8},{311*4,148*8},\
{321*4,146*8},{331*4,144*8},{341*4,142*8},{351*4,140*8},{361*4,139*8},{371*4,137*8},{381*4,135*8},{391*4,133*8},\
{401*4,131*8},{411*4,130*8},{421*4,128*8},{431*4,126*8},{441*4,125*8},{451*4,123*8},{461*4,122*8},{471*4,120*8},\
{481*4,119*8},{491*4,117*8},{501*4,116*8},{511*4,114*8},{521*4,113*8},{531*4,111*8},{541*4,110*8},{551*4,108*8},\
{561*4,107*8},{571*4,105*8},{581*4,104*8},{591*4,102*8},{601*4,101*8},{611*4,100*8},{621*4,98*8},{631*4,97*8},\
{641*4,95*8},{651*4,94*8},{661*4,92*8},{671*4,91*8},{681*4,90*8},{691*4,88*8},{701*4,87*8},{711*4,85*8},{721*4,84*8},\
{731*4,82*8},{741*4,81*8},{751*4,79*8},{761*4,77*8},{771*4,76*8},{781*4,74*8},{791*4,72*8},{801*4,71*8},{811*4,69*8},\
{821*4,67*8},{831*4,65*8},{841*4,63*8},{851*4,62*8},{861*4,60*8},{871*4,57*8},{881*4,55*8},{891*4,53*8},{901*4,51*8},\
{911*4,48*8},{921*4,45*8},{931*4,42*8},{941*4,39*8},{951*4,36*8},{961*4,32*8},{971*4,28*8},{981*4,23*8},{991*4,17*8},\
{1001*4,9*8},{1011*4,-1*8},{1021*4,-26*8}
};
#if NUM_TEMPS_USERTHERMISTOR0>0
const short temptable_5[NUM_TEMPS_USERTHERMISTOR0][2] PROGMEM = USER_THERMISTORTABLE0 ;
#endif // NUM_TEMPS_USERTHERMISTOR0>0
#if NUM_TEMPS_USERTHERMISTOR1>0
const short temptable_6[NUM_TEMPS_USERTHERMISTOR1][2] PROGMEM = USER_THERMISTORTABLE1 ;
#endif // NUM_TEMPS_USERTHERMISTOR1>0
#if NUM_TEMPS_USERTHERMISTOR2>0
const short temptable_7[NUM_TEMPS_USERTHERMISTOR2][2] PROGMEM = USER_THERMISTORTABLE2 ;
#endif // NUM_TEMPS_USERTHERMISTOR2>0
const short * const temptables[14] PROGMEM = {(short int *)&temptable_1[0][0],(short int *)&temptable_2[0][0],(short int *)&temptable_3[0][0],(short int *)&temptable_4[0][0]
#if NUM_TEMPS_USERTHERMISTOR0>0
,(short int *)&temptable_5[0][0]
#else
,0
#endif // NUM_TEMPS_USERTHERMISTOR0>0
#if NUM_TEMPS_USERTHERMISTOR1>0
,(short int *)&temptable_6[0][0]
#else
,0
#endif // NUM_TEMPS_USERTHERMISTOR1>0
#if NUM_TEMPS_USERTHERMISTOR2>0
,(short int *)&temptable_7[0][0]
#else
,0
#endif // NUM_TEMPS_USERTHERMISTOR2>0
,(short int *)&temptable_8[0][0]
,(short int *)&temptable_9[0][0]
,(short int *)&temptable_10[0][0]
,(short int *)&temptable_11[0][0]
,(short int *)&temptable_12[0][0]
,(short int *)&temptable_13[0][0]
,(short int *)&temptable_14[0][0]
};
const uint8_t temptables_num[14] PROGMEM = {NUMTEMPS_1,NUMTEMPS_2,NUMTEMPS_3,NUMTEMPS_4,NUM_TEMPS_USERTHERMISTOR0,NUM_TEMPS_USERTHERMISTOR1,NUM_TEMPS_USERTHERMISTOR2,NUMTEMPS_8,
NUMTEMPS_9,NUMTEMPS_10,NUMTEMPS_11,NUMTEMPS_12,NUMTEMPS_13,NUMTEMPS_14
};
void TemperatureController::updateCurrentTemperature()
{
uint8_t type = sensorType;
// get raw temperature
switch(type)
{
#if ANALOG_INPUTS>0
case 1: // Epcos B57560G0107F000
case 2: // is 200k thermistor
case 3: // V2 Sensor Conrad Renkforce / mendel-parts thermistor (EPCOS G550) = NTC mit 100kOhm
case 4: // is 10k thermistor
case 5: // user thermistor 0
case 6: // user thermistor 1
case 7: // user thermistor 2
case 8: // E3D Thermistor
case 9: // 100k Honeywell 135-104LAG-J01
case 10: // 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup)
case 11: // 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)
case 12: // 100k RS thermistor 198-961 (4.7k pullup)
case 13: // NTC 3950 100k thermistor - Conrad V3
case 14: // Thermistor NTC 3950 100k Ohm
case 97: // Define Raw Thermistor and Restistor-Settings within configuration.h see USE_GENERIC_THERMISTORTABLE_1 and GENERIC_THERM_NUM_ENTRIES
case 98: // Define Raw Thermistor and Restistor-Settings within configuration.h see USE_GENERIC_THERMISTORTABLE_2 and GENERIC_THERM_NUM_ENTRIES
case 99: // Define Raw Thermistor and Restistor-Settings within configuration.h see USE_GENERIC_THERMISTORTABLE_3 and GENERIC_THERM_NUM_ENTRIES
{
currentTemperature = (1023<<(2-ANALOG_REDUCE_BITS))-(osAnalogInputValues[sensorPin]>>(ANALOG_REDUCE_BITS)); // Convert to 10 bit result
break;
}
case 50: // User defined PTC table
case 51:
case 52:
case 60: // HEATER_USES_AD8495 (Delivers 5mV/degC)
case 100: // AD595
{
currentTemperature = (osAnalogInputValues[sensorPin]>>(ANALOG_REDUCE_BITS));
break;
}
#endif // ANALOG_INPUTS>0
default:
{
currentTemperature = 4095; // unknown method, return high value to switch heater off for safety
break;
}
}
switch(type)
{
case 1:
case 2:
case 3:
case 4:
case 5: //user thermistor 0
case 6: //user thermistor 1
case 7: //user thermistor 2
case 8: //E3D Thermistor
case 9:
case 10:
case 11:
case 12:
case 13: // Conrad V3
case 14: // Thermistor NTC 3950 100k Ohm
{
type--;
uint8_t num = pgm_read_byte(&temptables_num[type])<<1;
uint8_t i=2;
const short *temptable = (const short *)pgm_read_word(&temptables[type]); //pgm_read_word_near(&temptables[type]);
short oldraw = pgm_read_word(&temptable[0]);
short oldtemp = pgm_read_word(&temptable[1]);
short newtemp = 0;
int temp = (1023<<(2-ANALOG_REDUCE_BITS))-currentTemperature;
while(i<num)
{
short newraw = pgm_read_word(&temptable[i++]);
newtemp = pgm_read_word(&temptable[i++]);
if (newraw > temp)
{
//OUT_P_I("RC O:",oldtemp);OUT_P_I_LN(" OR:",oldraw);
//OUT_P_I("RC N:",newtemp);OUT_P_I_LN(" NR:",newraw);
currentTemperatureC = TEMP_INT_TO_FLOAT(oldtemp + (float)(temp-oldraw)*(float)(newtemp-oldtemp)/(newraw-oldraw));
#if FEATURE_HEAT_BED_TEMP_COMPENSATION
float offset = getHeatBedTemperatureOffset( currentTemperatureC );
#if DEBUG_HEAT_BED_TEMP_COMPENSATION
if( targetTemperatureC > 50 )
{
Com::printF( PSTR( "updateCurrentTemperature().1: " ), currentTemperatureC );
Com::printF( PSTR( ", " ), offset );
Com::printF( PSTR( ", " ), currentTemperature );
Com::printFLN( PSTR( ", " ), targetTemperature );
}
#endif // DEBUG_HEAT_BED_TEMP_COMPENSATION
currentTemperatureC += offset;
#endif // FEATURE_HEAT_BED_TEMP_COMPENSATION
return;
}
oldtemp = newtemp;
oldraw = newraw;
}
// Overflow: Set to last value in the table
currentTemperatureC = TEMP_INT_TO_FLOAT(newtemp);
#if FEATURE_HEAT_BED_TEMP_COMPENSATION
float offset = getHeatBedTemperatureOffset( currentTemperatureC );
#if DEBUG_HEAT_BED_TEMP_COMPENSATION
Com::printF( PSTR( "updateCurrentTemperature().2: " ), currentTemperatureC );
Com::printFLN( PSTR( ", " ), offset );
#endif // DEBUG_HEAT_BED_TEMP_COMPENSATION
currentTemperatureC += offset;
#endif // FEATURE_HEAT_BED_TEMP_COMPENSATION
break;
}
case 50: // User defined PTC thermistor
case 51:
case 52:
{
type-=46;
uint8_t num = pgm_read_byte(&temptables_num[type])<<1;
uint8_t i=2;
const short *temptable = (const short *)pgm_read_word(&temptables[type]); //pgm_read_word_near(&temptables[type]);
short oldraw = pgm_read_word(&temptable[0]);
short oldtemp = pgm_read_word(&temptable[1]);
short newtemp = 0;
while(i<num)
{
short newraw = pgm_read_word(&temptable[i++]);
newtemp = pgm_read_word(&temptable[i++]);
if (newraw > currentTemperature)
{
currentTemperatureC = TEMP_INT_TO_FLOAT(oldtemp + (float)(currentTemperature-oldraw)*(float)(newtemp-oldtemp)/(newraw-oldraw));
#if FEATURE_HEAT_BED_TEMP_COMPENSATION
float offset = getHeatBedTemperatureOffset( currentTemperatureC );
#if DEBUG_HEAT_BED_TEMP_COMPENSATION
Com::printF( PSTR( "updateCurrentTemperature().3: " ), currentTemperatureC );
Com::printFLN( PSTR( ", " ), offset );
#endif // DEBUG_HEAT_BED_TEMP_COMPENSATION
currentTemperatureC += offset;
#endif // FEATURE_HEAT_BED_TEMP_COMPENSATION
return;
}
oldtemp = newtemp;
oldraw = newraw;
}
// Overflow: Set to last value in the table
currentTemperatureC = TEMP_INT_TO_FLOAT(newtemp);
#if FEATURE_HEAT_BED_TEMP_COMPENSATION
float offset = getHeatBedTemperatureOffset( currentTemperatureC );
#if DEBUG_HEAT_BED_TEMP_COMPENSATION
Com::printF( PSTR( "updateCurrentTemperature().4: " ), currentTemperatureC );
Com::printFLN( PSTR( ", " ), offset );
#endif // DEBUG_HEAT_BED_TEMP_COMPENSATION
currentTemperatureC += offset;
#endif // FEATURE_HEAT_BED_TEMP_COMPENSATION
break;
}
case 60: // AD8495 (Delivers 5mV/degC vs the AD595's 10mV)
{
currentTemperatureC = ((float)currentTemperature * 1000.0f/(1024<<(2-ANALOG_REDUCE_BITS)));
#if FEATURE_HEAT_BED_TEMP_COMPENSATION
float offset = getHeatBedTemperatureOffset( currentTemperatureC );
#if DEBUG_HEAT_BED_TEMP_COMPENSATION
Com::printF( PSTR( "updateCurrentTemperature().5: " ), currentTemperatureC );
Com::printFLN( PSTR( ", " ), offset );
#endif // DEBUG_HEAT_BED_TEMP_COMPENSATION
currentTemperatureC += offset;
#endif // FEATURE_HEAT_BED_TEMP_COMPENSATION
break;
}
case 100: // AD595
{
currentTemperatureC = ((float)currentTemperature * 500.0f/(1024<<(2-ANALOG_REDUCE_BITS)));
#if FEATURE_HEAT_BED_TEMP_COMPENSATION
float offset = getHeatBedTemperatureOffset( currentTemperatureC );
#if DEBUG_HEAT_BED_TEMP_COMPENSATION
Com::printF( PSTR( "updateCurrentTemperature().6: " ), currentTemperatureC );
Com::printFLN( PSTR( ", " ), offset );
#endif // DEBUG_HEAT_BED_TEMP_COMPENSATION
currentTemperatureC += offset;
#endif // FEATURE_HEAT_BED_TEMP_COMPENSATION
break;
}
#if defined(USE_GENERIC_THERMISTORTABLE_1) || defined(USE_GENERIC_THERMISTORTABLE_2) || defined(USE_GENERIC_THERMISTORTABLE_3)
case 97:
case 98:
case 99:
{
uint8_t i=2;
const short *temptable;
#ifdef USE_GENERIC_THERMISTORTABLE_1
if(type == 97)
temptable = (const short *)temptable_generic1;
#endif // USE_GENERIC_THERMISTORTABLE_1
#ifdef USE_GENERIC_THERMISTORTABLE_2
if(type == 98)
temptable = (const short *)temptable_generic2;
#endif // USE_GENERIC_THERMISTORTABLE_2
#ifdef USE_GENERIC_THERMISTORTABLE_3
if(type == 99)
temptable = (const short *)temptable_generic3;
#endif // USE_GENERIC_THERMISTORTABLE_3
short oldraw = temptable[0];
short oldtemp = temptable[1];
short newraw,newtemp;
currentTemperature = (1023<<(2-ANALOG_REDUCE_BITS))-currentTemperature;
while(i<GENERIC_THERM_NUM_ENTRIES*2)
{
newraw = temptable[i++];
newtemp = temptable[i++];