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Adjust wait_for_cooling slope

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Adjust wait_for_cooling slope
and drop mintemp for cooling.

See
https://github.com/MarlinFirmware/Marlin/pull/4169#issuecomment-231544532
This commit is contained in:
AnHardt 2016-07-10 11:42:49 +02:00
parent 167f4aa0cc
commit e92e58df1f
1 changed files with 22 additions and 8 deletions
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30
Marlin/Marlin_main.cpp
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@ -4488,6 +4488,13 @@ inline void gcode_M105() {
#endif #endif
#ifndef MIN_COOLING_SLOPE_DEG
#define MIN_COOLING_SLOPE_DEG 1.50
#endif
#ifndef MIN_COOLING_SLOPE_TIME
#define MIN_COOLING_SLOPE_TIME 60
#endif
/** /**
* M109: Sxxx Wait for extruder(s) to reach temperature. Waits only when heating. * M109: Sxxx Wait for extruder(s) to reach temperature. Waits only when heating.
* Rxxx Wait for extruder(s) to reach temperature. Waits when heating and cooling. * Rxxx Wait for extruder(s) to reach temperature. Waits when heating and cooling.
@ -4600,11 +4607,11 @@ inline void gcode_M109() {
// Prevent a wait-forever situation if R is misused i.e. M109 R0 // Prevent a wait-forever situation if R is misused i.e. M109 R0
if (wants_to_cool) { if (wants_to_cool) {
if (temp < (EXTRUDE_MINTEMP) / 2) break; // always break at (default) 85° // break after MIN_COOLING_SLOPE_TIME seconds
// break after 20 seconds if cooling stalls // if the temperature did not drop at least MIN_COOLING_SLOPE_DEG
if (!next_cool_check_ms || ELAPSED(now, next_cool_check_ms)) { if (!next_cool_check_ms || ELAPSED(now, next_cool_check_ms)) {
if (old_temp - temp < 1.0) break; if (old_temp - temp < MIN_COOLING_SLOPE_DEG) break;
next_cool_check_ms = now + 20000; next_cool_check_ms = now + 1000UL * MIN_COOLING_SLOPE_TIME;
old_temp = temp; old_temp = temp;
} }
} }
@ -4617,6 +4624,13 @@ inline void gcode_M109() {
#if HAS_TEMP_BED #if HAS_TEMP_BED
#ifndef MIN_COOLING_SLOPE_DEG_BED
#define MIN_COOLING_SLOPE_DEG_BED 1.50
#endif
#ifndef MIN_COOLING_SLOPE_TIME_BED
#define MIN_COOLING_SLOPE_TIME_BED 60
#endif
/** /**
* M190: Sxxx Wait for bed current temp to reach target temp. Waits only when heating * M190: Sxxx Wait for bed current temp to reach target temp. Waits only when heating
* Rxxx Wait for bed current temp to reach target temp. Waits when heating and cooling * Rxxx Wait for bed current temp to reach target temp. Waits when heating and cooling
@ -4709,11 +4723,11 @@ inline void gcode_M109() {
// Prevent a wait-forever situation if R is misused i.e. M190 R0 // Prevent a wait-forever situation if R is misused i.e. M190 R0
if (wants_to_cool) { if (wants_to_cool) {
if (temp < 30.0) break; // always break at 30° // break after MIN_COOLING_SLOPE_TIME_BED seconds
// break after 20 seconds if cooling stalls // if the temperature did not drop at least MIN_COOLING_SLOPE_DEG_BED
if (!next_cool_check_ms || ELAPSED(now, next_cool_check_ms)) { if (!next_cool_check_ms || ELAPSED(now, next_cool_check_ms)) {
if (old_temp - temp < 1.0) break; if (old_temp - temp < MIN_COOLING_SLOPE_DEG_BED) break;
next_cool_check_ms = now + 20000; next_cool_check_ms = now + 1000UL * MIN_COOLING_SLOPE_TIME_BED;
old_temp = temp; old_temp = temp;
} }
} }