Add G12 minimum temp

Marlin/Configuration.h

@@ -1059,8 +1059,8 @@
 
 // Require a minimum temperature when ubefore allowing probing. Useful on machines such as the Lulzbot series
 // which uses a conductive nozzle or the Creality CR6 and other strain gauge sensors to prevent misreads from filament debris.
-#define PROBE_REQUIRES_MINTEMP_NOZZLE 150
-#define PROBE_REQUIRES_MINTEMP_BED 50
+//#define PROBE_REQUIRES_MINTEMP_NOZZLE 150
+//#define PROBE_REQUIRES_MINTEMP_BED 50
 
 
 
@@ -1653,6 +1653,13 @@
   // For a purge/clean station mounted on the X axis
   //#define NOZZLE_CLEAN_NO_Y
 
+  #define NOZZLE_CLEAN_MIN_TEMP
+  #if ENABLED(NOZZLE_CLEAN_MIN_TEMP)
+    #define NOZZE_CLEAN_TEMP  170
+    // Default behavior is to skip nozzles that are too cold. The allows you to force them to heat instead
+    //#define NOZLE_CLEAN_HEAT_LOWTEMP
+  #endif
+
   // Explicit wipe G-code script applies to a G12 with no arguments.
   //#define WIPE_SEQUENCE_COMMANDS "G1 X-17 Y25 Z10 F4000\nG1 Z1\nM114\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 X-17 Y25\nG1 X-17 Y95\nG1 Z15\nM400\nG0 X-10.0 Y-9.0"
 

Marlin/src/libs/nozzle.cpp

@@ -153,6 +153,19 @@ Nozzle nozzle;
 
     const uint8_t arrPos = ANY(SINGLENOZZLE, MIXING_EXTRUDER) ? 0 : active_extruder;
 
+    #if ENABLED(NOZZLE_CLEAN_MIN_TEMP) && NOZZE_CLEAN_TEMP > 0
+      if(thermalManager.degTargetHotend(arrPos)) < NOZZE_CLEAN_TEMP) {
+        #if ENABLED(NOZLE_CLEAN_HEAT_LOWTEMP)
+          SERIAL_ECHOLNPGM("Nozzle too Cold - Heating");
+          thermalManager.setTargetHotend(NOZZE_CLEAN_TEMP, arrPos);
+          thermalManager.wait_for_hotend(0);
+        #else
+          SERIAL_ECHOLNPGM("Nozzle too cold - Skipping Wipe");
+          return;
+        #endif
+      }
+    #endif
+
     #if HAS_SOFTWARE_ENDSTOPS
 
       #define LIMIT_AXIS(A) do{ \

Marlin/src/module/probe.cpp

@@ -348,6 +348,8 @@ bool Probe::set_deployed(const bool deploy) {
     constexpr bool deploy_stow_condition = true;
   #endif
 
+  bool setting_bed = false;
+  bool setting_hotend = false;
   #if defined(PROBE_REQUIRES_MINTEMP_NOZZLE) && PROBE_REQUIRES_MINTEMP_NOZZLE < 0 && HAS_TEMP_HOTEND
     if (thermalManager.degTargetHotend(0) < PROBE_REQUIRES_MINTEMP_NOZZLE) {
       bool setting_hotend = false;
@@ -359,7 +361,6 @@ bool Probe::set_deployed(const bool deploy) {
   #endif
 
   #if defined(PROBE_REQUIRES_MINTEMP_BED) && PROBE_REQUIRES_MINTEMP_BED < 0 && HAS_HEATED_BED
-    bool setting_hotend, setting_bed = false;
     if (thermalManager.degBed() < PROBE_REQUIRES_MINTEMP_BED) {
       uint16_t bedTemperature = AUTOLEVEL_PREHEAT_BED_TEMP;
       SERIAL_ECHOLNPAIR("Preheating bed to ", bedTemperature);