diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 31884782d26e919594f9a883f21d027c8fbcdf0e..da5372021ec383aebf305ec5a9362bce8d171d79 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -80,7 +80,7 @@
// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
// You should use MINTEMP for thermistor short/failure protection.
#define HEATER_0_MAXTEMP 275
-//#define_HEATER_1_MAXTEMP 275
+//#define HEATER_1_MAXTEMP 275
//#define BED_MAXTEMP 150
diff --git a/Marlin/temperature.cpp b/Marlin/temperature.cpp
index 857814732bff36e95342c246a66432d13b636317..f5df6f617bf3c1d4505859b85f02f79cf79c9f73 100644
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@@ -90,50 +90,12 @@ static unsigned long previous_millis_heater, previous_millis_bed_heater;
#endif //WATCHPERIOD
// Init min and max temp with extreme values to prevent false errors during startup
-#ifdef HEATER_0_MINTEMP
- #ifdef HEATER_0_USES_AD595
- static int minttemp_0 = 0;
- #else
- static int minttemp_0 = 16383;
- #endif
-#endif //MINTEMP
-#ifdef HEATER_0_MAXTEMP
- #ifdef HEATER_0_USES_AD595
- static int maxttemp_0 = 16383;
- #else
- static int maxttemp_0 = 0;
- #endif
-#endif //MAXTEMP
-
-#ifdef HEATER_1_MINTEMP
- #ifdef HEATER_1_USES_AD595
- static int minttemp_1 = 0;
- #else
- static int minttemp_1 = 16383;
- #endif
-#endif //MINTEMP
-#ifdef HEATER_1_MAXTEMP
- #ifdef HEATER_1_USES_AD595
- static int maxttemp_1 = 16383;
- #else
- static int maxttemp_1 = 0;
- #endif
-#endif //MAXTEMP
-
-#ifdef BED_MINTEMP
- #ifdef BED_USES_AD595
- static int bed_minttemp = 0;
- #else
- static int bed_minttemp = 16383;
- #endif
-#endif //BED_MINTEMP
-#ifdef BED_MAXTEMP
- #ifdef BED_USES_AD595
- static int bed_maxttemp = 16383;
- #else
- static int bed_maxttemp = 0;
- #endif
-#endif //BED_MAXTEMP
+ static int minttemp_0 = 0;
+ static int maxttemp_0 = 16383;
+ static int minttemp_1 = 0;
+ static int maxttemp_1 = 16383;
+ static int bed_minttemp = 0;
+ static int bed_maxttemp = 16383;
//===========================================================================
//=============================functions ============================
@@ -198,18 +160,28 @@ void manage_heater()
//SERIAL_ECHOLN(" PIDDEBUG Input "<<pid_input<<" Output "<<pid_output" pTerm "<<pTerm<<" iTerm "<<iTerm<<" dTerm "<<dTerm);
#endif //PID_DEBUG
HeaterPower=pid_output;
- analogWrite(HEATER_0_PIN, pid_output);
+ // Check if temperature is within the correct range
+ if((current_raw[TEMPSENSOR_HOTEND_0] > minttemp_0) && (current_raw[TEMPSENSOR_HOTEND_0] < maxttemp_0)) {
+ analogWrite(HEATER_0_PIN, pid_output);
+ }
+ else {
+ analogWrite(HEATER_0_PIN, 0);
+ }
#endif //PIDTEMP
#ifndef PIDTEMP
- if(current_raw[0] >= target_raw[0])
- {
- WRITE(HEATER_0_PIN,LOW);
- }
- else
- {
- WRITE(HEATER_0_PIN,HIGH);
+ // Check if temperature is within the correct range
+ if((current_raw[TEMPSENSOR_HOTEND_0] > minttemp_0) && (current_raw[TEMPSENSOR_HOTEND_0] < maxttemp_0)) {
+ if(current_raw[TEMPSENSOR_HOTEND_0] >= target_raw[TEMPSENSOR_HOTEND_0]) {
+ WRITE(HEATER_0_PIN,LOW);
+ }
+ else {
+ WRITE(HEATER_0_PIN,HIGH);
+ }
}
+ else {
+ WRITE(HEATER_0_PIN,LOW);
+ }
#endif
if(millis() - previous_millis_bed_heater < BED_CHECK_INTERVAL)
@@ -217,14 +189,20 @@ void manage_heater()
previous_millis_bed_heater = millis();
#if TEMP_1_PIN > -1
- if(current_raw[TEMPSENSOR_BED] >= target_raw[TEMPSENSOR_BED])
- {
- WRITE(HEATER_1_PIN,LOW);
- }
- else
- {
- WRITE(HEATER_1_PIN,HIGH);
+ // Check if temperature is within the correct range
+ if((current_raw[TEMPSENSOR_BED] > bed_minttemp) && (current_raw[TEMPSENSOR_BED] < bed_maxttemp)) {
+ if(current_raw[TEMPSENSOR_BED] >= target_raw[TEMPSENSOR_BED])
+ {
+ WRITE(HEATER_1_PIN,LOW);
+ }
+ else
+ {
+ WRITE(HEATER_1_PIN,HIGH);
+ }
}
+ else {
+ WRITE(HEATER_1_PIN,LOW);
+ }
#endif
}
@@ -370,6 +348,34 @@ void tp_init()
// 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);
+ ADCSRB = 1<<MUX5;
+ #endif
+ #endif
+ #if (TEMP_1_PIN > -1)
+ #if TEMP_1_PIN < 8
+ DIDR0 |= 1<<TEMP_1_PIN;
+ #else
+ DIDR2 |= 1<<(TEMP_1_PIN - 8);
+ ADCSRB = 1<<MUX5;
+ #endif
+ #endif
+ #if (TEMP_2_PIN > -1)
+ #if TEMP_2_PIN < 8
+ DIDR0 |= 1 << TEMP_2_PIN;
+ #else
+ DIDR2 = 1<<(TEMP_2_PIN - 8);
+ ADCSRB = 1<<MUX5;
+ #endif
+ #endif
// Use timer0 for temperature measurement
// Interleave temperature interrupt with millies interrupt
@@ -456,10 +462,7 @@ ISR(TIMER0_COMPB_vect)
switch(temp_state) {
case 0: // Prepare TEMP_0
#if (TEMP_0_PIN > -1)
- #if TEMP_0_PIN < 8
- DIDR0 = 1 << TEMP_0_PIN;
- #else
- DIDR2 = 1<<(TEMP_0_PIN - 8);
+ #if TEMP_0_PIN > 7
ADCSRB = 1<<MUX5;
#endif
ADMUX = ((1 << REFS0) | (TEMP_0_PIN & 0x07));
@@ -478,10 +481,7 @@ ISR(TIMER0_COMPB_vect)
break;
case 2: // Prepare TEMP_1
#if (TEMP_1_PIN > -1)
- #if TEMP_1_PIN < 7
- DIDR0 = 1<<TEMP_1_PIN;
- #else
- DIDR2 = 1<<(TEMP_1_PIN - 8);
+ #if TEMP_1_PIN > 7
ADCSRB = 1<<MUX5;
#endif
ADMUX = ((1 << REFS0) | (TEMP_1_PIN & 0x07));
@@ -500,10 +500,7 @@ ISR(TIMER0_COMPB_vect)
break;
case 4: // Prepare TEMP_2
#if (TEMP_2_PIN > -1)
- #if TEMP_2_PIN < 7
- DIDR0 = 1 << TEMP_2_PIN;
- #else
- DIDR2 = 1<<(TEMP_2_PIN - 8);
+ #if TEMP_2_PIN > 7
ADCSRB = 1<<MUX5;
#endif
ADMUX = ((1 << REFS0) | (TEMP_2_PIN & 0x07));
@@ -556,7 +553,7 @@ ISR(TIMER0_COMPB_vect)
#if (HEATER_0_PIN > -1)
if(current_raw[TEMPSENSOR_HOTEND_0] >= maxttemp_0) {
target_raw[TEMPSENSOR_HOTEND_0] = 0;
- analogWrite(HEATER_0_PIN, 0);
+ digitalWrite(HEATER_0_PIN, 0);
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature extruder 0 switched off. MAXTEMP triggered !!");
kill();
@@ -567,11 +564,10 @@ ISR(TIMER0_COMPB_vect)
#if (HEATER_1_PIN > -1)
if(current_raw[TEMPSENSOR_HOTEND_1] >= maxttemp_1) {
target_raw[TEMPSENSOR_HOTEND_1] = 0;
- if(current_raw[2] >= maxttemp_1) {
- analogWrite(HEATER_2_PIN, 0);
+ digitalWrite(HEATER_2_PIN, 0);
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature extruder 1 switched off. MAXTEMP triggered !!");
- kill()
+ kill();
}
#endif
#endif //MAXTEMP
@@ -580,7 +576,7 @@ ISR(TIMER0_COMPB_vect)
#if (HEATER_0_PIN > -1)
if(current_raw[TEMPSENSOR_HOTEND_0] <= minttemp_0) {
target_raw[TEMPSENSOR_HOTEND_0] = 0;
- analogWrite(HEATER_0_PIN, 0);
+ digitalWrite(HEATER_0_PIN, 0);
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature extruder 0 switched off. MINTEMP triggered !!");
kill();
@@ -592,7 +588,7 @@ ISR(TIMER0_COMPB_vect)
#if (HEATER_2_PIN > -1)
if(current_raw[TEMPSENSOR_HOTEND_1] <= minttemp_1) {
target_raw[TEMPSENSOR_HOTEND_1] = 0;
- analogWrite(HEATER_2_PIN, 0);
+ digitalWrite(HEATER_2_PIN, 0);
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature extruder 1 switched off. MINTEMP triggered !!");
kill();
@@ -604,7 +600,7 @@ ISR(TIMER0_COMPB_vect)
#if (HEATER_1_PIN > -1)
if(current_raw[1] <= bed_minttemp) {
target_raw[1] = 0;
- WRITE(HEATER_1_PIN, 0);
+ digitalWrite(HEATER_1_PIN, 0);
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperatur heated bed switched off. MINTEMP triggered !!");
kill();
@@ -616,7 +612,7 @@ ISR(TIMER0_COMPB_vect)
#if (HEATER_1_PIN > -1)
if(current_raw[1] >= bed_maxttemp) {
target_raw[1] = 0;
- WRITE(HEATER_1_PIN, 0);
+ digitalWrite(HEATER_1_PIN, 0);
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature heated bed switched off. MAXTEMP triggered !!");
kill();