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MarlinFirmware/Marlin/temperature.cpp
Christian Thalhammer 14702089ee -disable TEMP Min MAX Kill while using PS_ON Pin 
ON GEN7 there is no temperature reading when power is off.. so Marlin
would kill itself. There seems to be an update from "Traumflug" on GEN7
using standby VCC for thermistors.
2012-02-06 12:28:33 +01:00

794 lines
21 KiB
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/*
temperature.c - temperature control
Part of Marlin
Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
This firmware is a mashup between Sprinter and grbl.
(https://github.com/kliment/Sprinter)
(https://github.com/simen/grbl/tree)
It has preliminary support for Matthew Roberts advance algorithm
http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
*/
#include "Marlin.h"
#include "ultralcd.h"
#include "temperature.h"
#include "watchdog.h"
//===========================================================================
//=============================public variables============================
//===========================================================================
int target_raw[EXTRUDERS] = { 0 };
int target_raw_bed = 0;
#ifdef BED_LIMIT_SWITCHING
int target_bed_low_temp =0;
int target_bed_high_temp =0;
#endif
int current_raw[EXTRUDERS] = { 0 };
int current_raw_bed = 0;
#ifdef PIDTEMP
// used external
float pid_setpoint[EXTRUDERS] = { 0.0 };
float Kp=DEFAULT_Kp;
float Ki=DEFAULT_Ki;
float Kd=DEFAULT_Kd;
#ifdef PID_ADD_EXTRUSION_RATE
float Kc=DEFAULT_Kc;
#endif
#endif //PIDTEMP
//===========================================================================
//=============================private variables============================
//===========================================================================
static bool temp_meas_ready = false;
static unsigned long previous_millis_bed_heater;
//static unsigned long previous_millis_heater;
#ifdef PIDTEMP
//static cannot be external:
static float temp_iState[EXTRUDERS] = { 0 };
static float temp_dState[EXTRUDERS] = { 0 };
static float pTerm[EXTRUDERS];
static float iTerm[EXTRUDERS];
static float dTerm[EXTRUDERS];
//int output;
static float pid_error[EXTRUDERS];
static float temp_iState_min[EXTRUDERS];
static float temp_iState_max[EXTRUDERS];
// static float pid_input[EXTRUDERS];
// static float pid_output[EXTRUDERS];
static bool pid_reset[EXTRUDERS];
#endif //PIDTEMP
static unsigned char soft_pwm[EXTRUDERS];
#ifdef WATCHPERIOD
static int watch_raw[EXTRUDERS] = { -1000 }; // the first value used for all
static int watch_oldtemp[3] = {0,0,0};
static unsigned long watchmillis = 0;
#endif //WATCHPERIOD
// Init min and max temp with extreme values to prevent false errors during startup
static int minttemp[EXTRUDERS] = { 0 };
static int maxttemp[EXTRUDERS] = { 16383 }; // the first value used for all
static int bed_minttemp = 0;
static int bed_maxttemp = 16383;
static int heater_pin_map[EXTRUDERS] = { HEATER_0_PIN
#if EXTRUDERS > 1
, HEATER_1_PIN
#endif
#if EXTRUDERS > 2
, HEATER_2_PIN
#endif
#if EXTRUDERS > 3
#error Unsupported number of extruders
#endif
};
static void *heater_ttbl_map[EXTRUDERS] = { (void *)heater_0_temptable
#if EXTRUDERS > 1
, (void *)heater_1_temptable
#endif
#if EXTRUDERS > 2
, (void *)heater_2_temptable
#endif
#if EXTRUDERS > 3
#error Unsupported number of extruders
#endif
};
static int heater_ttbllen_map[EXTRUDERS] = { heater_0_temptable_len
#if EXTRUDERS > 1
, heater_1_temptable_len
#endif
#if EXTRUDERS > 2
, heater_2_temptable_len
#endif
#if EXTRUDERS > 3
#error Unsupported number of extruders
#endif
};
//===========================================================================
//============================= functions ============================
//===========================================================================
void updatePID()
{
#ifdef PIDTEMP
for(int e = 0; e < EXTRUDERS; e++) {
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / Ki;
}
#endif
}
int getHeaterPower(int heater) {
return soft_pwm[heater];
}
void manage_heater()
{
#ifdef USE_WATCHDOG
wd_reset();
#endif
float pid_input;
float pid_output;
if(temp_meas_ready != true) //better readability
return;
CRITICAL_SECTION_START;
temp_meas_ready = false;
CRITICAL_SECTION_END;
for(int e = 0; e < EXTRUDERS; e++)
{
#ifdef PIDTEMP
pid_input = analog2temp(current_raw[e], e);
#ifndef PID_OPENLOOP
pid_error[e] = pid_setpoint[e] - pid_input;
if(pid_error[e] > 10) {
pid_output = PID_MAX;
pid_reset[e] = true;
}
else if(pid_error[e] < -10) {
pid_output = 0;
pid_reset[e] = true;
}
else {
if(pid_reset[e] == true) {
temp_iState[e] = 0.0;
pid_reset[e] = false;
}
pTerm[e] = Kp * pid_error[e];
temp_iState[e] += pid_error[e];
temp_iState[e] = constrain(temp_iState[e], temp_iState_min[e], temp_iState_max[e]);
iTerm[e] = Ki * temp_iState[e];
//K1 defined in Configuration.h in the PID settings
#define K2 (1.0-K1)
dTerm[e] = (Kd * (pid_input - temp_dState[e]))*K2 + (K1 * dTerm[e]);
temp_dState[e] = pid_input;
pid_output = constrain(pTerm[e] + iTerm[e] - dTerm[e], 0, PID_MAX);
}
#endif //PID_OPENLOOP
#ifdef PID_DEBUG
SERIAL_ECHOLN(" PIDDEBUG "<<e<<": Input "<<pid_input<<" Output "<<pid_output" pTerm "<<pTerm[e]<<" iTerm "<<iTerm[e]<<" dTerm "<<dTerm[e]);
#endif //PID_DEBUG
#else /* PID off */
pid_output = 0;
if(current_raw[e] < target_raw[e]) {
pid_output = PID_MAX;
}
#endif
// Check if temperature is within the correct range
if((current_raw[e] > minttemp[e]) && (current_raw[e] < maxttemp[e]))
{
//analogWrite(heater_pin_map[e], pid_output);
soft_pwm[e] = (int)pid_output >> 1;
}
else {
//analogWrite(heater_pin_map[e], 0);
soft_pwm[e] = 0;
}
} // End extruder for loop
#ifdef WATCHPERIOD
if(watchmillis && millis() - watchmillis > WATCHPERIOD){
if(watch_oldtemp[TEMPSENSOR_HOTEND_0] >= degHotend(active_extruder)){
setTargetHotend(0,active_extruder);
LCD_MESSAGEPGM("Heating failed");
SERIAL_ECHO_START;
SERIAL_ECHOLN("Heating failed");
}else{
watchmillis = 0;
}
}
#endif
if(millis() - previous_millis_bed_heater < BED_CHECK_INTERVAL)
return;
previous_millis_bed_heater = millis();
#if TEMP_BED_PIN > -1
#ifndef BED_LIMIT_SWITCHING
// Check if temperature is within the correct range
if((current_raw_bed > bed_minttemp) && (current_raw_bed < bed_maxttemp)) {
if(current_raw_bed >= target_raw_bed)
{
WRITE(HEATER_BED_PIN,LOW);
}
else
{
WRITE(HEATER_BED_PIN,HIGH);
}
}
else {
WRITE(HEATER_BED_PIN,LOW);
}
#else //#ifdef BED_LIMIT_SWITCHING
// Check if temperature is within the correct band
if((current_raw_bed > bed_minttemp) && (current_raw_bed < bed_maxttemp)) {
if(current_raw_bed > target_bed_high_temp)
{
WRITE(HEATER_BED_PIN,LOW);
}
else
if(current_raw_bed <= target_bed_low_temp)
{
WRITE(HEATER_BED_PIN,HIGH);
}
}
else {
WRITE(HEATER_BED_PIN,LOW);
}
#endif
#endif
}
#define PGM_RD_W(x) (short)pgm_read_word(&x)
// Takes hot end temperature value as input and returns corresponding raw value.
// For a thermistor, it uses the RepRap thermistor temp table.
// This is needed because PID in hydra firmware hovers around a given analog value, not a temp value.
// This function is derived from inversing the logic from a portion of getTemperature() in FiveD RepRap firmware.
int temp2analog(int celsius, uint8_t e) {
if(e >= EXTRUDERS)
{
SERIAL_ERROR_START;
SERIAL_ERROR((int)e);
SERIAL_ERRORLNPGM(" - Invalid extruder number!");
kill();
}
if(heater_ttbl_map[e] != 0)
{
int raw = 0;
byte i;
short (*tt)[][2] = (short (*)[][2])(heater_ttbl_map[e]);
for (i=1; i<heater_ttbllen_map[e]; i++)
{
if (PGM_RD_W((*tt)[i][1]) < celsius)
{
raw = PGM_RD_W((*tt)[i-1][0]) +
(celsius - PGM_RD_W((*tt)[i-1][1])) *
(PGM_RD_W((*tt)[i][0]) - PGM_RD_W((*tt)[i-1][0])) /
(PGM_RD_W((*tt)[i][1]) - PGM_RD_W((*tt)[i-1][1]));
break;
}
}
// Overflow: Set to last value in the table
if (i == heater_ttbllen_map[e]) raw = PGM_RD_W((*tt)[i-1][0]);
return (1023 * OVERSAMPLENR) - raw;
}
return celsius * (1024.0 / (5.0 * 100.0) ) * OVERSAMPLENR;
}
// Takes bed temperature value as input and returns corresponding raw value.
// For a thermistor, it uses the RepRap thermistor temp table.
// This is needed because PID in hydra firmware hovers around a given analog value, not a temp value.
// This function is derived from inversing the logic from a portion of getTemperature() in FiveD RepRap firmware.
int temp2analogBed(int celsius) {
#ifdef BED_USES_THERMISTOR
int raw = 0;
byte i;
for (i=1; i<bedtemptable_len; i++)
{
if (PGM_RD_W(bedtemptable[i][1]) < celsius)
{
raw = PGM_RD_W(bedtemptable[i-1][0]) +
(celsius - PGM_RD_W(bedtemptable[i-1][1])) *
(PGM_RD_W(bedtemptable[i][0]) - PGM_RD_W(bedtemptable[i-1][0])) /
(PGM_RD_W(bedtemptable[i][1]) - PGM_RD_W(bedtemptable[i-1][1]));
break;
}
}
// Overflow: Set to last value in the table
if (i == bedtemptable_len) raw = PGM_RD_W(bedtemptable[i-1][0]);
return (1023 * OVERSAMPLENR) - raw;
#elif defined BED_USES_AD595
return lround(celsius * (1024.0 * OVERSAMPLENR/ (5.0 * 100.0) ) );
#else
#warning No heater-type defined for the bed.
return 0;
#endif
}
// Derived from RepRap FiveD extruder::getTemperature()
// For hot end temperature measurement.
float analog2temp(int raw, uint8_t e) {
if(e >= EXTRUDERS)
{
SERIAL_ERROR_START;
SERIAL_ERROR((int)e);
SERIAL_ERRORLNPGM(" - Invalid extruder number !");
kill();
}
if(heater_ttbl_map[e] != 0)
{
float celsius = 0;
byte i;
short (*tt)[][2] = (short (*)[][2])(heater_ttbl_map[e]);
raw = (1023 * OVERSAMPLENR) - raw;
for (i=1; i<heater_ttbllen_map[e]; i++)
{
if (PGM_RD_W((*tt)[i][0]) > raw)
{
celsius = PGM_RD_W((*tt)[i-1][1]) +
(raw - PGM_RD_W((*tt)[i-1][0])) *
(float)(PGM_RD_W((*tt)[i][1]) - PGM_RD_W((*tt)[i-1][1])) /
(float)(PGM_RD_W((*tt)[i][0]) - PGM_RD_W((*tt)[i-1][0]));
break;
}
}
// Overflow: Set to last value in the table
if (i == heater_ttbllen_map[e]) celsius = PGM_RD_W((*tt)[i-1][1]);
return celsius;
}
return raw * ((5.0 * 100.0) / 1024.0) / OVERSAMPLENR;
}
// Derived from RepRap FiveD extruder::getTemperature()
// For bed temperature measurement.
float analog2tempBed(int raw) {
#ifdef BED_USES_THERMISTOR
int celsius = 0;
byte i;
raw = (1023 * OVERSAMPLENR) - raw;
for (i=1; i<bedtemptable_len; i++)
{
if (PGM_RD_W(bedtemptable[i][0]) > raw)
{
celsius = PGM_RD_W(bedtemptable[i-1][1]) +
(raw - PGM_RD_W(bedtemptable[i-1][0])) *
(PGM_RD_W(bedtemptable[i][1]) - PGM_RD_W(bedtemptable[i-1][1])) /
(PGM_RD_W(bedtemptable[i][0]) - PGM_RD_W(bedtemptable[i-1][0]));
break;
}
}
// Overflow: Set to last value in the table
if (i == bedtemptable_len) celsius = PGM_RD_W(bedtemptable[i-1][1]);
return celsius;
#elif defined BED_USES_AD595
return raw * ((5.0 * 100.0) / 1024.0) / OVERSAMPLENR;
#else
#warning No heater-type defined for the bed.
#endif
return 0;
}
void tp_init()
{
// Finish init of mult extruder arrays
for(int e = 0; e < EXTRUDERS; e++) {
// populate with the first value
#ifdef WATCHPERIOD
watch_raw[e] = watch_raw[0];
#endif
maxttemp[e] = maxttemp[0];
#ifdef PIDTEMP
temp_iState_min[e] = 0.0;
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / Ki;
#endif //PIDTEMP
}
#if (HEATER_0_PIN > -1)
SET_OUTPUT(HEATER_0_PIN);
#endif
#if (HEATER_1_PIN > -1)
SET_OUTPUT(HEATER_1_PIN);
#endif
#if (HEATER_2_PIN > -1)
SET_OUTPUT(HEATER_2_PIN);
#endif
#if (HEATER_BED_PIN > -1)
SET_OUTPUT(HEATER_BED_PIN);
#endif
#if (FAN_PIN > -1)
SET_OUTPUT(FAN_PIN);
#endif
// Set analog inputs
ADCSRA = 1<<ADEN | 1<<ADSC | 1<<ADIF | 0x07;
DIDR0 = 0;
#ifdef DIDR2
DIDR2 = 0;
#endif
#if (TEMP_0_PIN > -1)
#if TEMP_0_PIN < 8
DIDR0 |= 1 << TEMP_0_PIN;
#else
DIDR2 |= 1<<(TEMP_0_PIN - 8);
#endif
#endif
#if (TEMP_1_PIN > -1)
#if TEMP_1_PIN < 8
DIDR0 |= 1<<TEMP_1_PIN;
#else
DIDR2 |= 1<<(TEMP_1_PIN - 8);
#endif
#endif
#if (TEMP_2_PIN > -1)
#if TEMP_2_PIN < 8
DIDR0 |= 1 << TEMP_2_PIN;
#else
DIDR2 = 1<<(TEMP_2_PIN - 8);
#endif
#endif
#if (TEMP_BED_PIN > -1)
#if TEMP_BED_PIN < 8
DIDR0 |= 1<<TEMP_BED_PIN;
#else
DIDR2 |= 1<<(TEMP_BED_PIN - 8);
#endif
#endif
// Use timer0 for temperature measurement
// Interleave temperature interrupt with millies interrupt
OCR0B = 128;
TIMSK0 |= (1<<OCIE0B);
// Wait for temperature measurement to settle
delay(250);
#ifdef HEATER_0_MINTEMP
minttemp[0] = temp2analog(HEATER_0_MINTEMP, 0);
#endif //MINTEMP
#ifdef HEATER_0_MAXTEMP
maxttemp[0] = temp2analog(HEATER_0_MAXTEMP, 0);
#endif //MAXTEMP
#if (EXTRUDERS > 1) && defined(HEATER_1_MINTEMP)
minttemp[1] = temp2analog(HEATER_1_MINTEMP, 1);
#endif // MINTEMP 1
#if (EXTRUDERS > 1) && defined(HEATER_1_MAXTEMP)
maxttemp[1] = temp2analog(HEATER_1_MAXTEMP, 1);
#endif //MAXTEMP 1
#if (EXTRUDERS > 2) && defined(HEATER_2_MINTEMP)
minttemp[2] = temp2analog(HEATER_2_MINTEMP, 2);
#endif //MINTEMP 2
#if (EXTRUDERS > 2) && defined(HEATER_2_MAXTEMP)
maxttemp[2] = temp2analog(HEATER_2_MAXTEMP, 2);
#endif //MAXTEMP 2
#ifdef BED_MINTEMP
bed_minttemp = temp2analogBed(BED_MINTEMP);
#endif //BED_MINTEMP
#ifdef BED_MAXTEMP
bed_maxttemp = temp2analogBed(BED_MAXTEMP);
#endif //BED_MAXTEMP
}
void setWatch()
{
#ifdef WATCHPERIOD
int t = 0;
for (int e = 0; e < EXTRUDERS; e++)
{
if(isHeatingHotend(e))
watch_oldtemp[TEMPSENSOR_HOTEND_0] = degHotend(0);
{
t = max(t,millis());
watch_raw[e] = current_raw[e];
}
}
watchmillis = t;
#endif
}
void disable_heater()
{
for(int i=0;i<EXTRUDERS;i++)
setTargetHotend(0,i);
setTargetBed(0);
#if TEMP_0_PIN > -1
target_raw[0]=0;
soft_pwm[0]=0;
#if HEATER_0_PIN > -1
digitalWrite(HEATER_0_PIN,LOW);
#endif
#endif
#if TEMP_1_PIN > -1
target_raw[1]=0;
soft_pwm[1]=0;
#if HEATER_1_PIN > -1
digitalWrite(HEATER_1_PIN,LOW);
#endif
#endif
#if TEMP_2_PIN > -1
target_raw[2]=0;
soft_pwm[2]=0;
#if HEATER_2_PIN > -1
digitalWrite(HEATER_2_PIN,LOW);
#endif
#endif
#if TEMP_BED_PIN > -1
target_raw_bed=0;
#if HEATER_BED_PIN > -1
digitalWrite(HEATER_BED_PIN,LOW);
#endif
#endif
}
void max_temp_error(uint8_t e) {
digitalWrite(heater_pin_map[e], 0);
SERIAL_ERROR_START;
SERIAL_ERRORLN(e);
SERIAL_ERRORLNPGM(": Extruder switched off. MAXTEMP triggered !");
}
void min_temp_error(uint8_t e) {
digitalWrite(heater_pin_map[e], 0);
SERIAL_ERROR_START;
SERIAL_ERRORLN(e);
SERIAL_ERRORLNPGM(": Extruder switched off. MINTEMP triggered !");
}
void bed_max_temp_error(void) {
digitalWrite(HEATER_BED_PIN, 0);
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature heated bed switched off. MAXTEMP triggered !!");
}
// Timer 0 is shared with millies
ISR(TIMER0_COMPB_vect)
{
//these variables are only accesible from the ISR, but static, so they don't loose their value
static unsigned char temp_count = 0;
static unsigned long raw_temp_0_value = 0;
static unsigned long raw_temp_1_value = 0;
static unsigned long raw_temp_2_value = 0;
static unsigned long raw_temp_bed_value = 0;
static unsigned char temp_state = 0;
static unsigned char pwm_count = 1;
static unsigned char soft_pwm_0;
static unsigned char soft_pwm_1;
static unsigned char soft_pwm_2;
if(pwm_count == 0){
soft_pwm_0 = soft_pwm[0];
if(soft_pwm_0 > 0) WRITE(HEATER_0_PIN,1);
#if EXTRUDERS > 1
soft_pwm_1 = soft_pwm[1];
if(soft_pwm_1 > 0) WRITE(HEATER_1_PIN,1);
#endif
#if EXTRUDERS > 2
soft_pwm_2 = soft_pwm[2];
if(soft_pwm_2 > 0) WRITE(HEATER_2_PIN,1);
#endif
}
if(soft_pwm_0 <= pwm_count) WRITE(HEATER_0_PIN,0);
#if EXTRUDERS > 1
if(soft_pwm_1 <= pwm_count) WRITE(HEATER_1_PIN,0);
#endif
#if EXTRUDERS > 2
if(soft_pwm_2 <= pwm_count) WRITE(HEATER_2_PIN,0);
#endif
pwm_count++;
pwm_count &= 0x7f;
switch(temp_state) {
case 0: // Prepare TEMP_0
#if (TEMP_0_PIN > -1)
#if TEMP_0_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_0_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
#ifdef ULTIPANEL
buttons_check();
#endif
temp_state = 1;
break;
case 1: // Measure TEMP_0
#if (TEMP_0_PIN > -1)
raw_temp_0_value += ADC;
#endif
temp_state = 2;
break;
case 2: // Prepare TEMP_BED
#if (TEMP_BED_PIN > -1)
#if TEMP_BED_PIN > 7
ADCSRB = 1<<MUX5;
#endif
ADMUX = ((1 << REFS0) | (TEMP_BED_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
#ifdef ULTIPANEL
buttons_check();
#endif
temp_state = 3;
break;
case 3: // Measure TEMP_BED
#if (TEMP_BED_PIN > -1)
raw_temp_bed_value += ADC;
#endif
temp_state = 4;
break;
case 4: // Prepare TEMP_1
#if (TEMP_1_PIN > -1)
#if TEMP_1_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_1_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
#ifdef ULTIPANEL
buttons_check();
#endif
temp_state = 5;
break;
case 5: // Measure TEMP_1
#if (TEMP_1_PIN > -1)
raw_temp_1_value += ADC;
#endif
temp_state = 6;
break;
case 6: // Prepare TEMP_2
#if (TEMP_2_PIN > -1)
#if TEMP_2_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_2_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
#ifdef ULTIPANEL
buttons_check();
#endif
temp_state = 7;
break;
case 7: // Measure TEMP_2
#if (TEMP_2_PIN > -1)
raw_temp_2_value += ADC;
#endif
temp_state = 0;
temp_count++;
break;
// default:
// SERIAL_ERROR_START;
// SERIAL_ERRORLNPGM("Temp measurement error!");
// break;
}
if(temp_count >= 16) // 8 ms * 16 = 128ms.
{
#ifdef HEATER_0_USES_AD595
current_raw[0] = raw_temp_0_value;
#else
current_raw[0] = 16383 - raw_temp_0_value;
#endif
#if EXTRUDERS > 1
#ifdef HEATER_1_USES_AD595
current_raw[1] = raw_temp_1_value;
#else
current_raw[1] = 16383 - raw_temp_1_value;
#endif
#endif
#if EXTRUDERS > 2
#ifdef HEATER_2_USES_AD595
current_raw[2] = raw_temp_2_value;
#else
current_raw[2] = 16383 - raw_temp_2_value;
#endif
#endif
#ifdef BED_USES_AD595
current_raw_bed = raw_temp_bed_value;
#else
current_raw_bed = 16383 - raw_temp_bed_value;
#endif
temp_meas_ready = true;
temp_count = 0;
raw_temp_0_value = 0;
raw_temp_1_value = 0;
raw_temp_2_value = 0;
raw_temp_bed_value = 0;
for(unsigned char e = 0; e < EXTRUDERS; e++) {
if(current_raw[e] >= maxttemp[e]) {
target_raw[e] = 0;
#if (PS_ON != -1)
{
max_temp_error(e);
kill();;
}
#endif
}
if(current_raw[e] <= minttemp[e]) {
target_raw[e] = 0;
#if (PS_ON != -1)
{
min_temp_error(e);
kill();
}
#endif
}
}
#if defined(BED_MAXTEMP) && (HEATER_BED_PIN > -1)
if(current_raw_bed >= bed_maxttemp) {
target_raw_bed = 0;
bed_max_temp_error();
kill();
}
#endif
}
}
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