Cleanup temperature code

- Get rid of unused temp states in the ISR, resulting in more frequent
temperature reading with fewer sensors
- Shrink code slightly in min/max testing
This commit is contained in:
Scott Lahteine 2015-03-23 00:27:29 -07:00
parent f65f61fa72
commit 6bdee87be3

View File

@ -1240,16 +1240,26 @@ void disable_heater() {
enum TempState {
PrepareTemp_0,
MeasureTemp_0,
PrepareTemp_BED,
MeasureTemp_BED,
PrepareTemp_1,
MeasureTemp_1,
PrepareTemp_2,
MeasureTemp_2,
PrepareTemp_3,
MeasureTemp_3,
Prepare_FILWIDTH,
Measure_FILWIDTH,
#if HAS_TEMP_BED
PrepareTemp_BED,
MeasureTemp_BED,
#endif
#if HAS_TEMP_1
PrepareTemp_1,
MeasureTemp_1,
#endif
#if HAS_TEMP_2
PrepareTemp_2,
MeasureTemp_2,
#endif
#if HAS_TEMP_3
PrepareTemp_3,
MeasureTemp_3,
#endif
#if HAS_FILAMENT_SENSOR
Prepare_FILWIDTH,
Measure_FILWIDTH,
#endif
StartupDelay // Startup, delay initial temp reading a tiny bit so the hardware can settle
};
@ -1473,78 +1483,124 @@ ISR(TIMER0_COMPB_vect) {
#if HAS_TEMP_0
raw_temp_value[0] += ADC;
#endif
temp_state = PrepareTemp_BED;
temp_state =
#if HAS_TEMP_BED
PrepareTemp_BED
#elif HAS_TEMP_1
PrepareTemp_1
#elif HAS_TEMP_2
PrepareTemp_2
#elif HAS_TEMP_3
PrepareTemp_3
#elif HAS_FILAMENT_SENSOR
Prepare_FILWIDTH
#else
PrepareTemp_0
#endif
;
break;
case PrepareTemp_BED:
#if HAS_TEMP_BED
#if HAS_TEMP_BED
case PrepareTemp_BED:
START_ADC(TEMP_BED_PIN);
#endif
lcd_buttons_update();
temp_state = MeasureTemp_BED;
break;
case MeasureTemp_BED:
#if HAS_TEMP_BED
lcd_buttons_update();
temp_state = MeasureTemp_BED;
break;
case MeasureTemp_BED:
raw_temp_bed_value += ADC;
#endif
temp_state = PrepareTemp_1;
break;
case PrepareTemp_1:
#if HAS_TEMP_1
temp_state =
#if HAS_TEMP_1
PrepareTemp_1
#elif HAS_TEMP_2
PrepareTemp_2
#elif HAS_TEMP_3
PrepareTemp_3
#elif HAS_FILAMENT_SENSOR
Prepare_FILWIDTH
#else
PrepareTemp_0
#endif
;
break;
#endif
#if HAS_TEMP_1
case PrepareTemp_1:
START_ADC(TEMP_1_PIN);
#endif
lcd_buttons_update();
temp_state = MeasureTemp_1;
break;
case MeasureTemp_1:
#if HAS_TEMP_1
lcd_buttons_update();
temp_state = MeasureTemp_1;
break;
case MeasureTemp_1:
raw_temp_value[1] += ADC;
#endif
temp_state = PrepareTemp_2;
break;
case PrepareTemp_2:
#if HAS_TEMP_2
temp_state =
#if HAS_TEMP_2
PrepareTemp_2
#elif HAS_TEMP_3
PrepareTemp_3
#elif HAS_FILAMENT_SENSOR
Prepare_FILWIDTH
#else
PrepareTemp_0
#endif
;
break;
#endif
#if HAS_TEMP_2
case PrepareTemp_2:
START_ADC(TEMP_2_PIN);
#endif
lcd_buttons_update();
temp_state = MeasureTemp_2;
break;
case MeasureTemp_2:
#if HAS_TEMP_2
lcd_buttons_update();
temp_state = MeasureTemp_2;
break;
case MeasureTemp_2:
raw_temp_value[2] += ADC;
#endif
temp_state = PrepareTemp_3;
break;
case PrepareTemp_3:
#if HAS_TEMP_3
temp_state =
#if HAS_TEMP_3
PrepareTemp_3
#elif HAS_FILAMENT_SENSOR
Prepare_FILWIDTH
#else
PrepareTemp_0
#endif
;
break;
#endif
#if HAS_TEMP_3
case PrepareTemp_3:
START_ADC(TEMP_3_PIN);
#endif
lcd_buttons_update();
temp_state = MeasureTemp_3;
break;
case MeasureTemp_3:
#if HAS_TEMP_3
lcd_buttons_update();
temp_state = MeasureTemp_3;
break;
case MeasureTemp_3:
raw_temp_value[3] += ADC;
#endif
temp_state = Prepare_FILWIDTH;
break;
case Prepare_FILWIDTH:
#if HAS_FILAMENT_SENSOR
temp_state =
#if HAS_FILAMENT_SENSOR
Prepare_FILWIDTH
#else
PrepareTemp_0
#endif
;
break;
#endif
#if HAS_FILAMENT_SENSOR
case Prepare_FILWIDTH:
START_ADC(FILWIDTH_PIN);
#endif
lcd_buttons_update();
temp_state = Measure_FILWIDTH;
break;
case Measure_FILWIDTH:
#if HAS_FILAMENT_SENSOR
lcd_buttons_update();
temp_state = Measure_FILWIDTH;
break;
case Measure_FILWIDTH:
// raw_filwidth_value += ADC; //remove to use an IIR filter approach
if (ADC > 102) { //check that ADC is reading a voltage > 0.5 volts, otherwise don't take in the data.
raw_filwidth_value -= (raw_filwidth_value>>7); //multiply raw_filwidth_value by 127/128
raw_filwidth_value += ((unsigned long)ADC<<7); //add new ADC reading
}
#endif
temp_state = PrepareTemp_0;
temp_count++;
break;
temp_state = PrepareTemp_0;
temp_count++;
break;
#endif
case StartupDelay:
temp_state = PrepareTemp_0;
break;
@ -1554,7 +1610,7 @@ 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
@ -1579,7 +1635,7 @@ 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;
@ -1587,44 +1643,39 @@ ISR(TIMER0_COMPB_vect) {
#if HEATER_0_RAW_LO_TEMP > HEATER_0_RAW_HI_TEMP
#define GE0 <=
#define LE0 >=
#else
#define GE0 >=
#define LE0 <=
#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 (minttemp_raw[0] GE0 current_temperature_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 +1683,8 @@ 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;