Add HOTEND_OVERSHOOT

Marlin/src/gcode/bedlevel/G26.cpp

@@ -582,7 +582,7 @@ void GcodeSuite::G26() {
 
   if (parser.seenval('H')) {
     g26_hotend_temp = parser.value_celsius();
-    if (!WITHIN(g26_hotend_temp, 165, (HEATER_0_MAXTEMP - 15))) {
+    if (!WITHIN(g26_hotend_temp, 165, (HEATER_0_MAXTEMP - HOTEND_OVERSHOOT))) {
       SERIAL_ECHOLNPGM("?Specified nozzle temperature not plausible.");
       return;
     }

Marlin/src/gcode/lcd/M145.cpp

@@ -43,7 +43,7 @@ void GcodeSuite::M145() {
     int v;
     if (parser.seenval('H')) {
       v = parser.value_int();
-      ui.preheat_hotend_temp[material] = constrain(v, EXTRUDE_MINTEMP, HEATER_0_MAXTEMP - 15);
+      ui.preheat_hotend_temp[material] = constrain(v, EXTRUDE_MINTEMP, HEATER_0_MAXTEMP - HOTEND_OVERSHOOT);
     }
     if (parser.seenval('F')) {
       v = parser.value_int();

Marlin/src/inc/Conditionals_LCD.h

@@ -472,7 +472,10 @@
 
 #if HOTENDS
   #define HAS_HOTEND 1
-  #if HOTENDS > 1
+  #ifndef HOTEND_OVERSHOOT
+    #define HOTEND_OVERSHOOT 15
+  #endif
+  #if HOTENDS_ > 1
     #define HAS_MULTI_HOTEND 1
     #define HAS_HOTEND_OFFSET 1
   #endif

Marlin/src/lcd/extui/ui_api.cpp

@@ -946,7 +946,7 @@ namespace ExtUI {
       {
         #if HAS_HOTEND
           const int16_t e = heater - H0;
-          thermalManager.setTargetHotend(LROUND(constrain(value, 0, heater_maxtemp[e] - 15)), e);
+          thermalManager.setTargetHotend(LROUND(constrain(value, 0, heater_maxtemp[e] - HOTEND_OVERSHOOT)), e);
         #endif
       }
   }
@@ -958,7 +958,7 @@ namespace ExtUI {
     #if HAS_HOTEND
       const int16_t e = extruder - E0;
       enableHeater(extruder);
-      thermalManager.setTargetHotend(LROUND(constrain(value, 0, heater_maxtemp[e] - 15)), e);
+      thermalManager.setTargetHotend(LROUND(constrain(value, 0, heater_maxtemp[e] - HOTEND_OVERSHOOT)), e);
     #endif
   }
 

Marlin/src/lcd/menu/menu_advanced.cpp

@@ -257,8 +257,8 @@ void menu_cancelobject();
     //
     #if BOTH(AUTOTEMP, HAS_TEMP_HOTEND)
       EDIT_ITEM(bool, MSG_AUTOTEMP, &planner.autotemp_enabled);
-      EDIT_ITEM(float3, MSG_MIN, &planner.autotemp_min, 0, float(HEATER_0_MAXTEMP) - 15);
-      EDIT_ITEM(float3, MSG_MAX, &planner.autotemp_max, 0, float(HEATER_0_MAXTEMP) - 15);
+      EDIT_ITEM(float3, MSG_MIN, &planner.autotemp_min, 0, float(HEATER_0_MAXTEMP) - HOTEND_OVERSHOOT);
+      EDIT_ITEM(float3, MSG_MAX, &planner.autotemp_max, 0, float(HEATER_0_MAXTEMP) - HOTEND_OVERSHOOT);
       EDIT_ITEM(float42_52, MSG_FACTOR, &planner.autotemp_factor, 0, 10);
     #endif
 
@@ -304,7 +304,7 @@ void menu_cancelobject();
     #if ENABLED(PID_AUTOTUNE_MENU)
       #define PID_EDIT_MENU_ITEMS(N) \
         _PID_EDIT_MENU_ITEMS(N); \
-        EDIT_ITEM_FAST_N(int3, N, MSG_PID_AUTOTUNE_E, &autotune_temp[N], 150, heater_maxtemp[N] - 15, []{ _lcd_autotune(MenuItemBase::itemIndex); });
+        EDIT_ITEM_FAST_N(int3, N, MSG_PID_AUTOTUNE_E, &autotune_temp[N], 150, heater_maxtemp[N] - HOTEND_OVERSHOOT, []{ _lcd_autotune(MenuItemBase::itemIndex); });
     #else
       #define PID_EDIT_MENU_ITEMS(N) _PID_EDIT_MENU_ITEMS(N);
     #endif

Marlin/src/lcd/menu/menu_configuration.cpp

@@ -331,7 +331,7 @@ void menu_advanced_settings();
     BACK_ITEM(MSG_CONFIGURATION);
     EDIT_ITEM(percent, MSG_FAN_SPEED, &ui.preheat_fan_speed[material], 0, 255);
     #if HAS_TEMP_HOTEND
-      EDIT_ITEM(int3, MSG_NOZZLE, &ui.preheat_hotend_temp[material], MINTEMP_ALL, MAXTEMP_ALL - 15);
+      EDIT_ITEM(int3, MSG_NOZZLE, &ui.preheat_hotend_temp[material], MINTEMP_ALL, MAXTEMP_ALL - HOTEND_OVERSHOOT);
     #endif
     #if HAS_HEATED_BED
       EDIT_ITEM(int3, MSG_BED, &ui.preheat_bed_temp[material], BED_MINTEMP, BED_MAX_TARGET);

Marlin/src/lcd/menu/menu_filament.cpp

@@ -83,7 +83,7 @@ void _menu_temp_filament_op(const PauseMode mode, const int8_t extruder) {
   BACK_ITEM(MSG_BACK);
   ACTION_ITEM(MSG_PREHEAT_1, []{ _change_filament(ui.preheat_hotend_temp[0]); });
   ACTION_ITEM(MSG_PREHEAT_2, []{ _change_filament(ui.preheat_hotend_temp[1]); });
-  EDIT_ITEM_FAST(int3, MSG_PREHEAT_CUSTOM, &thermalManager.temp_hotend[_change_filament_extruder].target, EXTRUDE_MINTEMP, heater_maxtemp[extruder] - 15, []{
+  EDIT_ITEM_FAST(int3, MSG_PREHEAT_CUSTOM, &thermalManager.temp_hotend[_change_filament_extruder].target, EXTRUDE_MINTEMP, heater_maxtemp[extruder] - HOTEND_OVERSHOOT, []{
     _change_filament(thermalManager.temp_hotend[_change_filament_extruder].target);
   });
   END_MENU();

Marlin/src/lcd/menu/menu_temperature.cpp

@@ -50,7 +50,7 @@ uint8_t MarlinUI::preheat_fan_speed[2];
 void Temperature::lcd_preheat(const int16_t e, const int8_t indh, const int8_t indb) {
   #if HAS_HOTEND
     if (indh >= 0 && ui.preheat_hotend_temp[indh] > 0)
-      setTargetHotend(_MIN(heater_maxtemp[e] - 15, ui.preheat_hotend_temp[indh]), e);
+      setTargetHotend(_MIN(heater_maxtemp[e] - HOTEND_OVERSHOOT, ui.preheat_hotend_temp[indh]), e);
   #else
     UNUSED(e);
     UNUSED(temph);
@@ -163,14 +163,14 @@ void menu_temperature() {
   // Nozzle [1-5]:
   //
   #if HOTENDS == 1
-    EDIT_ITEM_FAST(int3, MSG_NOZZLE, &thermalManager.temp_hotend[0].target, 0, HEATER_0_MAXTEMP - 15, []{ thermalManager.start_watching_hotend(0); });
+    EDIT_ITEM_FAST(int3, MSG_NOZZLE, &thermalManager.temp_hotend[0].target, 0, HEATER_0_MAXTEMP - HOTEND_OVERSHOOT, []{ thermalManager.start_watching_hotend(0); });
   #elif HAS_MULTI_HOTEND
     HOTEND_LOOP()
-      EDIT_ITEM_FAST_N(int3, e, MSG_NOZZLE_N, &thermalManager.temp_hotend[e].target, 0, heater_maxtemp[e] - 15, []{ thermalManager.start_watching_hotend(MenuItemBase::itemIndex); });
+      EDIT_ITEM_FAST_N(int3, e, MSG_NOZZLE_N, &thermalManager.temp_hotend[e].target, 0, heater_maxtemp[e] - HOTEND_OVERSHOOT, []{ thermalManager.start_watching_hotend(MenuItemBase::itemIndex); });
   #endif
 
   #if ENABLED(SINGLENOZZLE)
-    EDIT_ITEM_FAST(uint16_3, MSG_NOZZLE_STANDBY, &singlenozzle_temp[active_extruder ? 0 : 1], 0, HEATER_0_MAXTEMP - 15);
+    EDIT_ITEM_FAST(uint16_3, MSG_NOZZLE_STANDBY, &singlenozzle_temp[active_extruder ? 0 : 1], 0, HEATER_0_MAXTEMP - HOTEND_OVERSHOOT);
   #endif
 
   //

Marlin/src/lcd/menu/menu_tune.cpp

@@ -118,14 +118,14 @@ void menu_tune() {
   // Nozzle [1-4]:
   //
   #if HOTENDS == 1
-    EDIT_ITEM_FAST(int3, MSG_NOZZLE, &thermalManager.temp_hotend[0].target, 0, HEATER_0_MAXTEMP - 15, []{ thermalManager.start_watching_hotend(0); });
+    EDIT_ITEM_FAST(int3, MSG_NOZZLE, &thermalManager.temp_hotend[0].target, 0, HEATER_0_MAXTEMP - HOTEND_OVERSHOOT, []{ thermalManager.start_watching_hotend(0); });
   #elif HAS_MULTI_HOTEND
     HOTEND_LOOP()
-      EDIT_ITEM_FAST_N(int3, e, MSG_NOZZLE_N, &thermalManager.temp_hotend[e].target, 0, heater_maxtemp[e] - 15, []{ thermalManager.start_watching_hotend(MenuItemBase::itemIndex); });
+      EDIT_ITEM_FAST_N(int3, e, MSG_NOZZLE_N, &thermalManager.temp_hotend[e].target, 0, heater_maxtemp[e] - HOTEND_OVERSHOOT, []{ thermalManager.start_watching_hotend(MenuItemBase::itemIndex); });
   #endif
 
   #if ENABLED(SINGLENOZZLE)
-    EDIT_ITEM_FAST(uint16_3, MSG_NOZZLE_STANDBY, &singlenozzle_temp[active_extruder ? 0 : 1], 0, HEATER_0_MAXTEMP - 15);
+    EDIT_ITEM_FAST(uint16_3, MSG_NOZZLE_STANDBY, &singlenozzle_temp[active_extruder ? 0 : 1], 0, HEATER_0_MAXTEMP - HOTEND_OVERSHOOT);
   #endif
 
   //

Marlin/src/lcd/menu/menu_ubl.cpp

@@ -128,7 +128,7 @@ void _lcd_ubl_build_custom_mesh() {
 void _lcd_ubl_custom_mesh() {
   START_MENU();
   BACK_ITEM(MSG_UBL_BUILD_MESH_MENU);
-  EDIT_ITEM(int3, MSG_UBL_HOTEND_TEMP_CUSTOM, &custom_hotend_temp, EXTRUDE_MINTEMP, (HEATER_0_MAXTEMP - 15));
+  EDIT_ITEM(int3, MSG_UBL_HOTEND_TEMP_CUSTOM, &custom_hotend_temp, EXTRUDE_MINTEMP, HEATER_0_MAXTEMP - HOTEND_OVERSHOOT);
   #if HAS_HEATED_BED
     EDIT_ITEM(int3, MSG_UBL_BED_TEMP_CUSTOM, &custom_bed_temp, BED_MINTEMP, BED_MAX_TARGET);
   #endif

Marlin/src/module/temperature.cpp

@@ -400,7 +400,7 @@ volatile bool Temperature::raw_temps_ready = false;
 
     TERN_(HAS_AUTO_FAN, next_auto_fan_check_ms = next_temp_ms + 2500UL);
 
-    if (target > GHV(BED_MAX_TARGET, temp_range[heater].maxtemp - 15)) {
+    if (target > GHV(BED_MAX_TARGET, temp_range[heater].maxtemp - HOTEND_OVERSHOOT)) {
       SERIAL_ECHOLNPGM(STR_PID_TEMP_TOO_HIGH);
       TERN_(EXTENSIBLE_UI, ExtUI::onPidTuning(ExtUI::result_t::PID_TEMP_TOO_HIGH));
       return;

Marlin/src/module/temperature.h

@@ -588,7 +588,7 @@ class Temperature {
             start_preheat_time(ee);
         #endif
         TERN_(AUTO_POWER_CONTROL, powerManager.power_on());
-        temp_hotend[ee].target = _MIN(celsius, temp_range[ee].maxtemp - 15);
+        temp_hotend[ee].target = _MIN(celsius, temp_range[ee].maxtemp - HOTEND_OVERSHOOT);
         start_watching_hotend(ee);
       }