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Merge pull request #1674 from thinkyhead/fix_temperature_minmax

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Cleanup temperature code
This commit is contained in:
Scott Lahteine 2015-03-23 21:10:03 -07:00
commit e2576b1ac5
1 changed files with 46 additions and 41 deletions
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87
Marlin/temperature.cpp
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@ -177,7 +177,7 @@ static volatile bool temp_meas_ready = false;
// Init min and max temp with extreme values to prevent false errors during startup
static int minttemp_raw[EXTRUDERS] = ARRAY_BY_EXTRUDERS( HEATER_0_RAW_LO_TEMP , HEATER_1_RAW_LO_TEMP , HEATER_2_RAW_LO_TEMP, HEATER_3_RAW_LO_TEMP);
static int maxttemp_raw[EXTRUDERS] = ARRAY_BY_EXTRUDERS( HEATER_0_RAW_HI_TEMP , HEATER_1_RAW_HI_TEMP , HEATER_2_RAW_HI_TEMP, HEATER_3_RAW_HI_TEMP);
static int minttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS( 0, 0, 0, 0 );
static int minttemp[EXTRUDERS] = { 0 };
static int maxttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS( 16383, 16383, 16383, 16383 );
//static int bed_minttemp_raw = HEATER_BED_RAW_LO_TEMP; /* No bed mintemp error implemented?!? */
#ifdef BED_MAXTEMP
@ -197,8 +197,8 @@ static float analog2tempBed(int raw);
static void updateTemperaturesFromRawValues();
#ifdef WATCH_TEMP_PERIOD
int watch_start_temp[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0,0);
unsigned long watchmillis[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0,0);
int watch_start_temp[EXTRUDERS] = { 0 };
unsigned long watchmillis[EXTRUDERS] = { 0 };
#endif //WATCH_TEMP_PERIOD
#ifndef SOFT_PWM_SCALE
@ -661,12 +661,6 @@ void manage_heater() {
updateTemperaturesFromRawValues();
#ifdef HEATER_0_USES_MAX6675
float ct = current_temperature[0];
if (ct > min(HEATER_0_MAXTEMP, 1023)) max_temp_error(0);
if (ct < max(HEATER_0_MINTEMP, 0.01)) min_temp_error(0);
#endif //HEATER_0_USES_MAX6675
unsigned long ms = millis();
// Loop through all extruders
@ -1145,28 +1139,28 @@ void disable_heater() {
for (int i=0; i<EXTRUDERS; i++) setTargetHotend(0, i);
setTargetBed(0);
#define DISABLE_HEATER(NR) { \
target_temperature[NR] = 0; \
soft_pwm[NR] = 0; \
WRITE_HEATER_ ## NR (LOW); \
}
#if HAS_TEMP_0
target_temperature[0] = 0;
soft_pwm[0] = 0;
WRITE_HEATER_0P(LOW); // If HEATERS_PARALLEL should apply, change to WRITE_HEATER_0
WRITE_HEATER_0P(LOW); // Should HEATERS_PARALLEL apply here? Then change to DISABLE_HEATER(0)
#endif
#if EXTRUDERS > 1 && HAS_TEMP_1
target_temperature[1] = 0;
soft_pwm[1] = 0;
WRITE_HEATER_1(LOW);
DISABLE_HEATER(1);
#endif
#if EXTRUDERS > 2 && HAS_TEMP_2
target_temperature[2] = 0;
soft_pwm[2] = 0;
WRITE_HEATER_2(LOW);
DISABLE_HEATER(2);
#endif
#if EXTRUDERS > 3 && HAS_TEMP_3
target_temperature[3] = 0;
soft_pwm[3] = 0;
WRITE_HEATER_3(LOW);
DISABLE_HEATER(3);
#endif
#if HAS_TEMP_BED
@ -1257,9 +1251,15 @@ enum TempState {
// Timer 0 is shared with millies
//
ISR(TIMER0_COMPB_vect) {
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
#define TEMP_SENSOR_COUNT 2
#else
#define TEMP_SENSOR_COUNT EXTRUDERS
#endif
//these variables are only accesible from the ISR, but static, so they don't lose their value
static unsigned char temp_count = 0;
static unsigned long raw_temp_value[EXTRUDERS] = { 0 };
static unsigned long raw_temp_value[TEMP_SENSOR_COUNT] = { 0 };
static unsigned long raw_temp_bed_value = 0;
static TempState temp_state = StartupDelay;
static unsigned char pwm_count = BIT(SOFT_PWM_SCALE);
@ -1475,6 +1475,7 @@ ISR(TIMER0_COMPB_vect) {
#endif
temp_state = PrepareTemp_BED;
break;
case PrepareTemp_BED:
#if HAS_TEMP_BED
START_ADC(TEMP_BED_PIN);
@ -1488,6 +1489,7 @@ ISR(TIMER0_COMPB_vect) {
#endif
temp_state = PrepareTemp_1;
break;
case PrepareTemp_1:
#if HAS_TEMP_1
START_ADC(TEMP_1_PIN);
@ -1501,6 +1503,7 @@ ISR(TIMER0_COMPB_vect) {
#endif
temp_state = PrepareTemp_2;
break;
case PrepareTemp_2:
#if HAS_TEMP_2
START_ADC(TEMP_2_PIN);
@ -1514,6 +1517,7 @@ ISR(TIMER0_COMPB_vect) {
#endif
temp_state = PrepareTemp_3;
break;
case PrepareTemp_3:
#if HAS_TEMP_3
START_ADC(TEMP_3_PIN);
@ -1527,6 +1531,7 @@ ISR(TIMER0_COMPB_vect) {
#endif
temp_state = Prepare_FILWIDTH;
break;
case Prepare_FILWIDTH:
#if HAS_FILAMENT_SENSOR
START_ADC(FILWIDTH_PIN);
@ -1545,6 +1550,7 @@ ISR(TIMER0_COMPB_vect) {
temp_state = PrepareTemp_0;
temp_count++;
break;
case StartupDelay:
temp_state = PrepareTemp_0;
break;
@ -1554,7 +1560,7 @@ ISR(TIMER0_COMPB_vect) {
// SERIAL_ERRORLNPGM("Temp measurement error!");
// break;
} // switch(temp_state)
if (temp_count >= OVERSAMPLENR) { // 10 * 16 * 1/(16000000/64/256) = 164ms.
if (!temp_meas_ready) { //Only update the raw values if they have been read. Else we could be updating them during reading.
#ifndef HEATER_0_USES_MAX6675
@ -1579,52 +1585,53 @@ ISR(TIMER0_COMPB_vect) {
#if HAS_FILAMENT_SENSOR
current_raw_filwidth = raw_filwidth_value >> 10; // Divide to get to 0-16384 range since we used 1/128 IIR filter approach
#endif
temp_meas_ready = true;
temp_count = 0;
for (int i = 0; i < EXTRUDERS; i++) raw_temp_value[i] = 0;
for (int i = 0; i < TEMP_SENSOR_COUNT; i++) raw_temp_value[i] = 0;
raw_temp_bed_value = 0;
#if HEATER_0_RAW_LO_TEMP > HEATER_0_RAW_HI_TEMP
#define GE0 <=
#define LE0 >=
#ifdef HEATER_0_USES_MAX6675
float ct = current_temperature[0];
if (ct > min(HEATER_0_MAXTEMP, 1023)) max_temp_error(0);
if (ct < max(HEATER_0_MINTEMP, 0.01)) min_temp_error(0);
#else
#define GE0 >=
#define LE0 <=
#if HEATER_0_RAW_LO_TEMP > HEATER_0_RAW_HI_TEMP
#define GE0 <=
#else
#define GE0 >=
#endif
if (current_temperature_raw[0] GE0 maxttemp_raw[0]) max_temp_error(0);
if (minttemp_raw[0] GE0 current_temperature_raw[0]) min_temp_error(0);
#endif
if (current_temperature_raw[0] GE0 maxttemp_raw[0]) max_temp_error(0);
if (current_temperature_raw[0] LE0 minttemp_raw[0]) min_temp_error(0);
#if EXTRUDERS > 1
#if HEATER_1_RAW_LO_TEMP > HEATER_1_RAW_HI_TEMP
#define GE1 <=
#define LE1 >=
#else
#define GE1 >=
#define LE1 <=
#endif
if (current_temperature_raw[1] GE1 maxttemp_raw[1]) max_temp_error(1);
if (current_temperature_raw[1] LE1 minttemp_raw[1]) min_temp_error(1);
if (minttemp_raw[1] GE0 current_temperature_raw[1]) min_temp_error(1);
#if EXTRUDERS > 2
#if HEATER_2_RAW_LO_TEMP > HEATER_2_RAW_HI_TEMP
#define GE2 <=
#define LE2 >=
#else
#define GE2 >=
#define LE2 <=
#endif
if (current_temperature_raw[2] GE2 maxttemp_raw[2]) max_temp_error(2);
if (current_temperature_raw[2] LE2 minttemp_raw[2]) min_temp_error(2);
if (minttemp_raw[2] GE0 current_temperature_raw[2]) min_temp_error(2);
#if EXTRUDERS > 3
#if HEATER_3_RAW_LO_TEMP > HEATER_3_RAW_HI_TEMP
#define GE3 <=
#define LE3 >=
#else
#define GE3 >=
#define LE3 <=
#endif
if (current_temperature_raw[3] GE3 maxttemp_raw[3]) max_temp_error(3);
if (current_temperature_raw[3] LE3 minttemp_raw[3]) min_temp_error(3);
if (minttemp_raw[3] GE0 current_temperature_raw[3]) min_temp_error(3);
#endif // EXTRUDERS > 3
#endif // EXTRUDERS > 2
#endif // EXTRUDERS > 1
@ -1632,10 +1639,8 @@ ISR(TIMER0_COMPB_vect) {
#if defined(BED_MAXTEMP) && (TEMP_SENSOR_BED != 0)
#if HEATER_BED_RAW_LO_TEMP > HEATER_BED_RAW_HI_TEMP
#define GEBED <=
#define LEBED >=
#else
#define GEBED >=
#define LEBED <=
#endif
if (current_temperature_bed_raw GEBED bed_maxttemp_raw) {
target_temperature_bed = 0;