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Chamber temperature monitoring and auto fan control.

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This is an initial cut for feedback, updated for 2.0.x.

Chamber temperature is currently reported along with hot end and bed
temperatures to serial. The format is just like that used for hot end
and bed temperatures, but using 'C' prefix. As there is no heater,
target is always 0. Is this appropriate, is there a better way to report
chamber temperatures?

Chamber temperatures are not reported on the LCD in any way.

When auto chamber fan is enabled, it currently just uses the same
temperature threshold as the other auto controlled fans.

As the chamber temperature is not connected to any heater, it doesn't
undergo mintemp/maxtemp monitoring. This would need to change in the
future if chamber heating became a feature.
This commit is contained in:
Lenbok
2018-02-24 19:38:58 +13:00
committed by Scott Lahteine
parent 5b3bda1c16
commit 0e8242180d
11 changed files with 153 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
Marlin/src/module/temperature.h
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@ -74,6 +74,10 @@ enum ADCSensorState : char {
PrepareTemp_BED,
MeasureTemp_BED,
#endif
#if HAS_TEMP_CHAMBER
PrepareTemp_CHAMBER,
MeasureTemp_CHAMBER,
#endif
#if ENABLED(FILAMENT_WIDTH_SENSOR)
Prepare_FILWIDTH,
Measure_FILWIDTH,
@ -113,9 +117,11 @@ class Temperature {
public:
static float current_temperature[HOTENDS],
current_temperature_chamber,
current_temperature_bed;
static int16_t current_temperature_raw[HOTENDS],
target_temperature[HOTENDS],
current_temperature_chamber_raw,
current_temperature_bed_raw;
#if ENABLED(AUTO_POWER_E_FANS)
@ -244,6 +250,7 @@ class Temperature {
#endif
static uint16_t raw_temp_value[MAX_EXTRUDERS],
raw_temp_chamber_value,
raw_temp_bed_value;
// Init min and max temp with extreme values to prevent false errors during startup
@ -315,6 +322,9 @@ class Temperature {
#if HAS_TEMP_BED
static float analog2tempBed(const int raw);
#endif
#if HAS_TEMP_CHAMBER
static float analog2tempChamber(const int raw);
#endif
/**
* Called from the Temperature ISR
@ -369,6 +379,7 @@ class Temperature {
return current_temperature[HOTEND_INDEX];
}
FORCE_INLINE static float degBed() { return current_temperature_bed; }
FORCE_INLINE static float degChamber() { return current_temperature_chamber; }
#if ENABLED(SHOW_TEMP_ADC_VALUES)
FORCE_INLINE static int16_t rawHotendTemp(const uint8_t e) {
@ -378,6 +389,7 @@ class Temperature {
return current_temperature_raw[HOTEND_INDEX];
}
FORCE_INLINE static int16_t rawBedTemp() { return current_temperature_bed_raw; }
FORCE_INLINE static int16_t rawChamberTemp() { return current_temperature_chamber_raw; }
#endif
FORCE_INLINE static int16_t degTargetHotend(const uint8_t e) {