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Move temp errors calling kill() out of ISR (#21832)

vanilla_fb_2.0.x
Scott Lahteine 4 years ago
parent
06e965e29c
commit
ffcbe68570
2 changed files with 94 additions and 91 deletions
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  1. 173
      Marlin/src/module/temperature.cpp
  2. 12
      Marlin/src/module/temperature.h

173
Marlin/src/module/temperature.cpp
View File

@ -576,8 +576,7 @@ volatile bool Temperature::raw_temps_ready = false;
const millis_t ms = millis();
if (raw_temps_ready) { // temp sample ready
updateTemperaturesFromRawValues();
if (updateTemperaturesIfReady()) { // temp sample ready
// Get the current temperature and constrain it
current_temp = GHV(degChamber(), degBed(), degHotend(heater_id));
@ -1212,9 +1211,7 @@ void Temperature::manage_heater() {
}
#endif
if (!raw_temps_ready) return;
updateTemperaturesFromRawValues(); // also resets the watchdog
if (!updateTemperaturesIfReady()) return; // Will also reset the watchdog if temperatures are ready
#if DISABLED(IGNORE_THERMOCOUPLE_ERRORS)
#if TEMP_SENSOR_0_IS_MAX_TC
@ -1890,29 +1887,88 @@ void Temperature::manage_heater() {
#endif // HAS_TEMP_PROBE
/**
* Get the raw values into the actual temperatures.
* The raw values are created in interrupt context,
* and this function is called from normal context
* as it would block the stepper routine.
* Convert the raw sensor readings into actual Celsius temperatures and
* validate raw temperatures. Bad readings generate min/maxtemp errors.
*
* The raw values are generated entirely in interrupt context, and this
* method is called from normal context once 'raw_temps_ready' has been
* set by update_raw_temperatures().
*
* The watchdog is dependent on this method. If 'raw_temps_ready' stops
* being set by the interrupt so that this method is not called for over
* 4 seconds then something has gone afoul and the machine will be reset.
*/
void Temperature::updateTemperaturesFromRawValues() {
watchdog_refresh(); // Reset because raw_temps_ready was set by the interrupt
TERN_(TEMP_SENSOR_0_IS_MAX_TC, temp_hotend[0].raw = READ_MAX_TC(0));
TERN_(TEMP_SENSOR_1_IS_MAX_TC, TERN(TEMP_SENSOR_1_AS_REDUNDANT, temp_redundant, temp_hotend[1]).raw = READ_MAX_TC(1));
#if HAS_HOTEND
HOTEND_LOOP() temp_hotend[e].celsius = analog_to_celsius_hotend(temp_hotend[e].raw, e);
#endif
TERN_(TEMP_SENSOR_1_AS_REDUNDANT, temp_redundant.celsius = analog_to_celsius_hotend(temp_redundant.raw, 1));
TERN_(HAS_HEATED_BED, temp_bed.celsius = analog_to_celsius_bed(temp_bed.raw));
TERN_(HAS_HEATED_BED, temp_bed.celsius = analog_to_celsius_bed(temp_bed.raw));
TERN_(HAS_TEMP_CHAMBER, temp_chamber.celsius = analog_to_celsius_chamber(temp_chamber.raw));
TERN_(HAS_TEMP_COOLER, temp_cooler.celsius = analog_to_celsius_cooler(temp_cooler.raw));
TERN_(HAS_TEMP_PROBE, temp_probe.celsius = analog_to_celsius_probe(temp_probe.raw));
TERN_(HAS_TEMP_COOLER, temp_cooler.celsius = analog_to_celsius_cooler(temp_cooler.raw));
TERN_(HAS_TEMP_PROBE, temp_probe.celsius = analog_to_celsius_probe(temp_probe.raw));
TERN_(FILAMENT_WIDTH_SENSOR, filwidth.update_measured_mm());
TERN_(HAS_POWER_MONITOR, power_monitor.capture_values());
TERN_(HAS_POWER_MONITOR, power_monitor.capture_values());
// Reset the watchdog on good temperature measurement
watchdog_refresh();
#if HAS_HOTEND
static constexpr int8_t temp_dir[] = {
TERN(TEMP_SENSOR_0_IS_MAX_TC, 0, TEMPDIR(0))
#if HAS_MULTI_HOTEND
, TERN(TEMP_SENSOR_1_IS_MAX_TC, 0, TEMPDIR(1))
#if HOTENDS > 2
#define _TEMPDIR(N) , TEMPDIR(N)
REPEAT_S(2, HOTENDS, _TEMPDIR)
#endif
#endif
};
LOOP_L_N(e, COUNT(temp_dir)) {
const int8_t tdir = temp_dir[e];
if (tdir) {
const int16_t rawtemp = temp_hotend[e].raw * tdir; // normal direction, +rawtemp, else -rawtemp
if (rawtemp > temp_range[e].raw_max * tdir) max_temp_error((heater_id_t)e);
raw_temps_ready = false;
const bool heater_on = temp_hotend[e].target > 0;
if (heater_on && rawtemp < temp_range[e].raw_min * tdir && !is_preheating(e)) {
#if MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED > 1
if (++consecutive_low_temperature_error[e] >= MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED)
#endif
min_temp_error((heater_id_t)e);
}
#if MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED > 1
else
consecutive_low_temperature_error[e] = 0;
#endif
}
}
#endif // HAS_HOTEND
#if ENABLED(THERMAL_PROTECTION_BED)
#define BEDCMP(A,B) (TEMPDIR(BED) < 0 ? ((A)<(B)) : ((A)>(B)))
if (BEDCMP(temp_bed.raw, maxtemp_raw_BED)) max_temp_error(H_BED);
if (temp_bed.target > 0 && BEDCMP(mintemp_raw_BED, temp_bed.raw)) min_temp_error(H_BED);
#endif
#if BOTH(HAS_HEATED_CHAMBER, THERMAL_PROTECTION_CHAMBER)
#define CHAMBERCMP(A,B) (TEMPDIR(CHAMBER) < 0 ? ((A)<(B)) : ((A)>(B)))
if (CHAMBERCMP(temp_chamber.raw, maxtemp_raw_CHAMBER)) max_temp_error(H_CHAMBER);
if (temp_chamber.target > 0 && CHAMBERCMP(mintemp_raw_CHAMBER, temp_chamber.raw)) min_temp_error(H_CHAMBER);
#endif
#if BOTH(HAS_COOLER, THERMAL_PROTECTION_COOLER)
#define COOLERCMP(A,B) (TEMPDIR(COOLER) < 0 ? ((A)<(B)) : ((A)>(B)))
if (cutter.unitPower > 0 && COOLERCMP(temp_cooler.raw, maxtemp_raw_COOLER)) max_temp_error(H_COOLER);
if (COOLERCMP(mintemp_raw_COOLER, temp_cooler.raw)) min_temp_error(H_COOLER);
#endif
}
#if THERMO_SEPARATE_SPI
@ -2657,6 +2713,9 @@ void Temperature::disable_all_heaters() {
/**
* Update raw temperatures
*
* Called by ISR => readings_ready when new temperatures have been set by updateTemperaturesFromRawValues.
* Applies all the accumulators to the current raw temperatures.
*/
void Temperature::update_raw_temperatures() {
@ -2686,14 +2745,19 @@ void Temperature::update_raw_temperatures() {
TERN_(HAS_JOY_ADC_X, joystick.x.update());
TERN_(HAS_JOY_ADC_Y, joystick.y.update());
TERN_(HAS_JOY_ADC_Z, joystick.z.update());
raw_temps_ready = true;
}
/**
* Called by the Temperature ISR when all the ADCs have been processed.
* Reset all the ADC accumulators for another round of updates.
*/
void Temperature::readings_ready() {
// Update the raw values if they've been read. Else we could be updating them during reading.
if (!raw_temps_ready) update_raw_temperatures();
// Update raw values only if they're not already set.
if (!raw_temps_ready) {
update_raw_temperatures();
raw_temps_ready = true;
}
// Filament Sensor - can be read any time since IIR filtering is used
TERN_(FILAMENT_WIDTH_SENSOR, filwidth.reading_ready());
@ -2711,75 +2775,6 @@ void Temperature::readings_ready() {
TERN_(HAS_JOY_ADC_X, joystick.x.reset());
TERN_(HAS_JOY_ADC_Y, joystick.y.reset());
TERN_(HAS_JOY_ADC_Z, joystick.z.reset());
#if HAS_HOTEND
static constexpr int8_t temp_dir[] = {
TERN(TEMP_SENSOR_0_IS_MAX_TC, 0, TEMPDIR(0))
#if HAS_MULTI_HOTEND
, TERN(TEMP_SENSOR_1_IS_MAX_TC, 0, TEMPDIR(1))
#if HOTENDS > 2
#define _TEMPDIR(N) , TEMPDIR(N)
REPEAT_S(2, HOTENDS, _TEMPDIR)
#endif
#endif
};
LOOP_L_N(e, COUNT(temp_dir)) {
const int8_t tdir = temp_dir[e];
if (tdir) {
const int16_t rawtemp = temp_hotend[e].raw * tdir; // normal direction, +rawtemp, else -rawtemp
if (rawtemp > temp_range[e].raw_max * tdir) max_temp_error((heater_id_t)e);
const bool heater_on = (temp_hotend[e].target > 0 || TERN0(PIDTEMP, temp_hotend[e].soft_pwm_amount > 0));
if (heater_on && rawtemp < temp_range[e].raw_min * tdir && !is_preheating(e)) {
#if MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED > 1
if (++consecutive_low_temperature_error[e] >= MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED)
#endif
min_temp_error((heater_id_t)e);
}
#if MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED > 1
else
consecutive_low_temperature_error[e] = 0;
#endif
}
}
#endif // HAS_HOTEND
#if ENABLED(THERMAL_PROTECTION_BED)
#if TEMPDIR(BED) < 0
#define BEDCMP(A,B) ((A)<(B))
#else
#define BEDCMP(A,B) ((A)>(B))
#endif
const bool bed_on = (temp_bed.target > 0) || TERN0(PIDTEMPBED, temp_bed.soft_pwm_amount > 0);
if (BEDCMP(temp_bed.raw, maxtemp_raw_BED)) max_temp_error(H_BED);
if (bed_on && BEDCMP(mintemp_raw_BED, temp_bed.raw)) min_temp_error(H_BED);
#endif
#if BOTH(HAS_HEATED_CHAMBER, THERMAL_PROTECTION_CHAMBER)
#if TEMPDIR(CHAMBER) < 0
#define CHAMBERCMP(A,B) ((A)<(B))
#else
#define CHAMBERCMP(A,B) ((A)>(B))
#endif
const bool chamber_on = (temp_chamber.target > 0);
if (CHAMBERCMP(temp_chamber.raw, maxtemp_raw_CHAMBER)) max_temp_error(H_CHAMBER);
if (chamber_on && CHAMBERCMP(mintemp_raw_CHAMBER, temp_chamber.raw)) min_temp_error(H_CHAMBER);
#endif
#if BOTH(HAS_COOLER, THERMAL_PROTECTION_COOLER)
#if TEMPDIR(COOLER) < 0
#define COOLERCMP(A,B) ((A)<(B))
#else
#define COOLERCMP(A,B) ((A)>(B))
#endif
if (cutter.unitPower > 0) {
if (COOLERCMP(temp_cooler.raw, maxtemp_raw_COOLER)) max_temp_error(H_COOLER);
}
if (COOLERCMP(mintemp_raw_COOLER, temp_cooler.raw)) min_temp_error(H_COOLER);
#endif
}
/**

12
Marlin/src/module/temperature.h
View File

@ -419,8 +419,6 @@ class Temperature {
private:
static volatile bool raw_temps_ready;
#if ENABLED(WATCH_HOTENDS)
static hotend_watch_t watch_hotend[HOTENDS];
#endif
@ -880,9 +878,19 @@ class Temperature {
#endif
private:
// Reading raw temperatures and converting to Celsius when ready
static volatile bool raw_temps_ready;
static void update_raw_temperatures();
static void updateTemperaturesFromRawValues();
static inline bool updateTemperaturesIfReady() {
if (!raw_temps_ready) return false;
updateTemperaturesFromRawValues();
raw_temps_ready = false;
return true;
}
// MAX Thermocouples
#if HAS_MAX_TC
#define MAX_TC_COUNT 1 + BOTH(TEMP_SENSOR_0_IS_MAX_TC, TEMP_SENSOR_1_IS_MAX_TC)
#if MAX_TC_COUNT > 1

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