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Introduce temp watch protection for the bed

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When setting the bed temp via M140/M190 if the thermistor does not read an increase of WATCH_BED_TEMP_INCREASE degrees by WATCH_BED_TEMP_PERIOD seconds then it will throw "Error:Heating failed, system stopped! Heater_ID: bed" and call the kill() function.

Conflicts:
	Marlin/Configuration_adv.h
This commit is contained in:
gralco
2016-04-15 10:27:18 -06:00
committed by Scott Lahteine
parent 98f30283fa
commit 908229dbb3
19 changed files with 259 additions and 9 deletions
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12
Marlin/example_configurations/SCARA/Configuration_adv.h
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@@ -87,6 +87,18 @@
#if ENABLED(THERMAL_PROTECTION_BED)
#define THERMAL_PROTECTION_BED_PERIOD 20 // Seconds
#define THERMAL_PROTECTION_BED_HYSTERESIS 2 // Degrees Celsius
/**
* Whenever an M140 or M190 increases the target temperature the firmware will wait for the
* WATCH_BED_TEMP_PERIOD to expire, and if the temperature hasn't increased by WATCH_BED_TEMP_INCREASE
* degrees, the machine is halted, requiring a hard reset. This test restarts with any M140/M190,
* but only if the current temperature is far enough below the target for a reliable test.
*
* If you get too many "Heating failed" errors, increase WATCH_BED_TEMP_PERIOD and/or decrease
* WATCH_BED_TEMP_INCREASE. (WATCH_BED_TEMP_INCREASE should not be below 2.)
*/
#define WATCH_BED_TEMP_PERIOD 60 // Seconds
#define WATCH_BED_TEMP_INCREASE 2 // Degrees Celsius
#endif
#if ENABLED(PIDTEMP)