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Temperature changes

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This commit is contained in:
Erik van der Zalm
2011-11-05 19:21:36 +01:00
parent d7c4f0780b
commit d15f01e1b4
6 changed files with 121 additions and 101 deletions
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86
Marlin/temperature.cpp
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@ -68,11 +68,18 @@ unsigned long previous_millis_heater, previous_millis_bed_heater;
float Kc=DEFAULT_Kc;
#endif //PIDTEMP
#ifdef MINTEMP
int minttemp = temp2analog(MINTEMP);
#ifdef HEATER_0_MINTEMP
int minttemp_0 = temp2analog(HEATER_0_MINTEMP);
#endif //MINTEMP
#ifdef MAXTEMP
int maxttemp = temp2analog(MAXTEMP);
#ifdef HEATER_0_MAXTEMP
int maxttemp_0 = temp2analog(HEATER_0_MAXTEMP);
#endif //MAXTEMP
#ifdef HEATER_1_MINTEMP
int minttemp_1 = temp2analog(HEATER_1_MINTEMP);
#endif //MINTEMP
#ifdef HEATER_1_MAXTEMP
int maxttemp_1 = temp2analog(HEATER_1_MAXTEMP);
#endif //MAXTEMP
#ifdef BED_MINTEMP
@ -173,29 +180,28 @@ CRITICAL_SECTION_END;
// 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.
float temp2analog(int celsius) {
#ifdef HEATER_USES_THERMISTOR_1
int temp2analog(int celsius) {
#ifdef HEATER_0_USES_THERMISTOR
int raw = 0;
byte i;
for (i=1; i<NUMTEMPS_HEATER_1; i++)
for (i=1; i<NUMTEMPS_HEATER_0; i++)
{
if (temptable_1[i][1] < celsius)
if (heater_0_temptable[i][1] < celsius)
{
raw = temptable_1[i-1][0] +
(celsius - temptable_1[i-1][1]) *
(temptable_1[i][0] - temptable_1[i-1][0]) /
(temptable_1[i][1] - temptable_1[i-1][1]);
raw = heater_0_temptable[i-1][0] +
(celsius - heater_0_temptable[i-1][1]) *
(heater_0_temptable[i][0] - heater_0_temptable[i-1][0]) /
(heater_0_temptable[i][1] - heater_0_temptable[i-1][1]);
break;
}
}
// Overflow: Set to last value in the table
if (i == NUMTEMPS_1) raw = temptable_1[i-1][0];
if (i == NUMTEMPS_0) raw = heater_0_temptable[i-1][0];
return (1023 * OVERSAMPLENR) - raw;
#elif defined HEATER_1_USES_AD595
#elif defined HEATER_0_USES_AD595
return celsius * (1024.0 / (5.0 * 100.0) ) * OVERSAMPLENR;
#endif
}
@ -204,7 +210,7 @@ float temp2analog(int celsius) {
// 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.
float temp2analogBed(int celsius) {
int temp2analogBed(int celsius) {
#ifdef BED_USES_THERMISTOR
int raw = 0;
@ -235,28 +241,28 @@ float temp2analogBed(int celsius) {
// Derived from RepRap FiveD extruder::getTemperature()
// For hot end temperature measurement.
float analog2temp(int raw) {
#ifdef HEATER_1_USES_THERMISTOR
int celsius = 0;
#ifdef HEATER_0_USES_THERMISTOR
float celsius = 0;
byte i;
raw = (1023 * OVERSAMPLENR) - raw;
for (i=1; i<NUMTEMPS_HEATER_1; i++)
for (i=1; i<NUMTEMPS_HEATER_0; i++)
{
if (temptable_1[i][0] > raw)
if (heater_0_temptable[i][0] > raw)
{
celsius = temptable_1[i-1][1] +
(raw - temptable_1[i-1][0]) *
(temptable_1[i][1] - temptable_1[i-1][1]) /
(temptable_1[i][0] - temptable_1[i-1][0]);
celsius = heater_0_temptable[i-1][1] +
(raw - heater_0_temptable[i-1][0]) *
(float)(heater_0_temptable[i][1] - heater_0_temptable[i-1][1]) /
(float)(heater_0_temptable[i][0] - heater_0_temptable[i-1][0]);
break;
}
}
// Overflow: Set to last value in the table
if (i == NUMTEMPS_HEATER_1) celsius = temptable_1[i-1][1];
if (i == NUMTEMPS_HEATER_0) celsius = heater_0_temptable[i-1][1];
return celsius;
#elif defined HEATER_1_USES_AD595
#elif defined HEATER_0_USES_AD595
return raw * ((5.0 * 100.0) / 1024.0) / OVERSAMPLENR;
#endif
}
@ -403,13 +409,13 @@ ISR(TIMER0_COMPB_vect)
if(temp_count >= 16) // 6 ms * 16 = 96ms.
{
#ifdef HEATER_1_USES_AD595
#ifdef HEATER_0_USES_AD595
current_raw[0] = raw_temp_0_value;
#else
current_raw[0] = 16383 - raw_temp_0_value;
#endif
#ifdef HEATER_2_USES_AD595
#ifdef HEATER_1_USES_AD595
current_raw[2] = raw_temp_2_value;
#else
current_raw[2] = 16383 - raw_temp_2_value;
@ -426,35 +432,43 @@ ISR(TIMER0_COMPB_vect)
raw_temp_0_value = 0;
raw_temp_1_value = 0;
raw_temp_2_value = 0;
#ifdef MAXTEMP
#ifdef HEATER_0_MAXTEMP
#if (HEATER_0_PIN > -1)
if(current_raw[0] >= maxttemp) {
if(current_raw[0] >= maxttemp_0) {
target_raw[0] = 0;
analogWrite(HEATER_0_PIN, 0);
Serial.println("!! Temperature extruder 0 switched off. MAXTEMP triggered !!");
kill();
}
#endif
#if (HEATER_2_PIN > -1)
if(current_raw[2] >= maxttemp) {
#endif
#ifdef HEATER_1_MAXTEMP
#if (HEATER_1_PIN > -1)
if(current_raw[2] >= maxttemp_1) {
target_raw[2] = 0;
analogWrite(HEATER_2_PIN, 0);
Serial.println("!! Temperature extruder 1 switched off. MAXTEMP triggered !!");
kill()
}
#endif
#endif //MAXTEMP
#ifdef MINTEMP
#ifdef HEATER_0_MINTEMP
#if (HEATER_0_PIN > -1)
if(current_raw[0] <= minttemp) {
if(current_raw[0] <= minttemp_0) {
target_raw[0] = 0;
analogWrite(HEATER_0_PIN, 0);
Serial.println("!! Temperature extruder 0 switched off. MINTEMP triggered !!");
kill();
}
#endif
#endif
#ifdef HEATER_1_MINTEMP
#if (HEATER_2_PIN > -1)
if(current_raw[2] <= minttemp) {
if(current_raw[2] <= minttemp_1) {
target_raw[2] = 0;
analogWrite(HEATER_2_PIN, 0);
Serial.println("!! Temperature extruder 1 switched off. MINTEMP triggered !!");
kill();
}
#endif
#endif //MAXTEMP
@ -464,6 +478,7 @@ ISR(TIMER0_COMPB_vect)
target_raw[1] = 0;
WRITE(HEATER_1_PIN, 0);
Serial.println("!! Temperatur heated bed switched off. MINTEMP triggered !!");
kill();
}
#endif
#endif
@ -473,6 +488,7 @@ ISR(TIMER0_COMPB_vect)
target_raw[1] = 0;
WRITE(HEATER_1_PIN, 0);
Serial.println("!! Temperature heated bed switched off. MAXTEMP triggered !!");
kill();
}
#endif
#endif