PLR: heat bed while waiting for user confirmation.

MarlinFirmware · Jan 16, 2024 · d7a52ea · d7a52ea
1 parent 7455776
commit d7a52ea
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Showing 4 changed files with 27 additions and 1 deletion.
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
@@ -1744,6 +1744,12 @@
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
     #define PLR_ENABLED_DEFAULT       false // Power Loss Recovery enabled by default. (Set with 'M413 Sn' & M500)
+    #if TEMP_SENSOR_BED
+      //#define PLR_HEAT_BED_ON_REBOOT      // Turn on bed heating immediatly after reboot to mitigate object detaching/warping.
+      #if ENABLED(PLR_HEAT_BED_ON_REBOOT)
+        #define PLR_HEAT_BED_RAISE        0 //(°C) Raise bed temperature by this value improve adhesion after restart (limited by maximum allowed temerature).
+      #endif
+    #endif    
     //#define PLR_BED_THRESHOLD BED_MAXTEMP // (°C) Skip user confirmation at or above this bed temperature (0 to disable)
     //#define BACKUP_POWER_SUPPLY           // Backup power / UPS to move the steppers on power loss
     //#define POWER_LOSS_ZRAISE           2 // (mm) Z axis raise on resume (on power loss with UPS)

diff --git a/Marlin/src/feature/powerloss.cpp b/Marlin/src/feature/powerloss.cpp
@@ -138,6 +138,14 @@ bool PrintJobRecovery::check() {
   return success;
 }
 
+/**
+ * Cancel recovery
+ */
+void PrintJobRecovery::cancel() {
+  TERN_(PLR_HEAT_BED_ON_REBOOT, set_bed_temp(false));
+  purge();
+}
+
 /**
  * Delete the recovery file and clear the recovery data
  */
@@ -354,6 +362,14 @@ void PrintJobRecovery::write() {
   if (!file.close()) DEBUG_ECHOLNPGM("Power-loss file close failed.");
 }
 
+#if ENABLED(PLR_HEAT_BED_ON_REBOOT)
+void PrintJobRecovery::set_bed_temp(bool turn_on) {
+    // Set the bed temperature
+  const celsius_t bt = turn_on ? info.target_temperature_bed + PLR_HEAT_BED_RAISE: 0;
+  PROCESS_SUBCOMMANDS_NOW(TS(F("M190S"), bt));
+}
+#endif
+
 /**
  * Resume the saved print job
  */

diff --git a/Marlin/src/feature/powerloss.h b/Marlin/src/feature/powerloss.h
@@ -184,10 +184,13 @@ class PrintJobRecovery {
     static void close() { file.close(); }
 
     static bool check();
+    #if ENABLED(PLR_HEAT_BED_ON_REBOOT)
+      static void set_bed_temp(bool turn_on);
+    #endif      
     static void resume();
     static void purge();
 
-    static void cancel() { purge(); }
+    static void cancel();
 
     static void load();
     static void save(const bool force=ENABLED(SAVE_EACH_CMD_MODE), const float zraise=POWER_LOSS_ZRAISE, const bool raised=false);

diff --git a/Marlin/src/gcode/feature/powerloss/M1000.cpp b/Marlin/src/gcode/feature/powerloss/M1000.cpp
@@ -74,6 +74,7 @@ void GcodeSuite::M1000() {
     const bool force_resume = TERN0(HAS_PLR_BED_THRESHOLD, recovery.bed_temp_threshold && (thermalManager.degBed() >= recovery.bed_temp_threshold));
 
     if (!force_resume && parser.seen_test('S')) {
+      TERN_(PLR_HEAT_BED_ON_REBOOT, recovery.set_bed_temp(true));
       #if HAS_MARLINUI_MENU
         ui.goto_screen(menu_job_recovery);
       #elif HAS_DWIN_E3V2_BASIC