🚸 Emergency Parse M524 (#24761)

Marlin/src/feature/e_parser.cpp

 // Static data members
 bool EmergencyParser::killed_by_M112, // = false
      EmergencyParser::quickstop_by_M410,
+     #if ENABLED(SDSUPPORT)
+       EmergencyParser::sd_abort_by_M524,
+     #endif
      EmergencyParser::enabled;
 
 #if ENABLED(HOST_PROMPT_SUPPORT)

Marlin/src/feature/e_parser.h

 
 public:
 
-  // Currently looking for: M108, M112, M410, M876 S[0-9], S000, P000, R000
+  // Currently looking for: M108, M112, M410, M524, M876 S[0-9], S000, P000, R000
   enum State : uint8_t {
     EP_RESET,
     EP_N,
     EP_M10, EP_M108,
     EP_M11, EP_M112,
     EP_M4, EP_M41, EP_M410,
+    #if ENABLED(SDSUPPORT)
+      EP_M5, EP_M52, EP_M524,
+    #endif
     #if ENABLED(HOST_PROMPT_SUPPORT)
       EP_M8, EP_M87, EP_M876, EP_M876S, EP_M876SN,
     #endif
   static bool killed_by_M112;
   static bool quickstop_by_M410;
 
+  #if ENABLED(SDSUPPORT)
+    static bool sd_abort_by_M524;
+  #endif
+
   #if ENABLED(HOST_PROMPT_SUPPORT)
     static uint8_t M876_reason;
   #endif
           case ' ': break;
           case '1': state = EP_M1;     break;
           case '4': state = EP_M4;     break;
+          #if ENABLED(SDSUPPORT)
+            case '5': state = EP_M5;   break;
+          #endif
           #if ENABLED(HOST_PROMPT_SUPPORT)
             case '8': state = EP_M8;     break;
           #endif
       case EP_M4:  state = (c == '1') ? EP_M41  : EP_IGNORE; break;
       case EP_M41: state = (c == '0') ? EP_M410 : EP_IGNORE; break;
 
+      #if ENABLED(SDSUPPORT)
+        case EP_M5:  state = (c == '2') ? EP_M52  : EP_IGNORE; break;
+        case EP_M52: state = (c == '4') ? EP_M524 : EP_IGNORE; break;
+      #endif
+
       #if ENABLED(HOST_PROMPT_SUPPORT)
 
         case EP_M8:  state = (c == '7') ? EP_M87  : EP_IGNORE; break;
             case EP_M108: wait_for_user = wait_for_heatup = false; break;
             case EP_M112: killed_by_M112 = true; break;
             case EP_M410: quickstop_by_M410 = true; break;
+            #if ENABLED(SDSUPPORT)
+              case EP_M524: sd_abort_by_M524 = true; break;
+            #endif
             #if ENABLED(HOST_PROMPT_SUPPORT)
               case EP_M876SN: hostui.handle_response(M876_reason); break;
             #endif

Marlin/src/module/temperature.cpp

       emergency_parser.quickstop_by_M410 = false; // quickstop_stepper may call idle so clear this now!
       quickstop_stepper();
     }
+
+    if (emergency_parser.sd_abort_by_M524) { // abort SD print immediately
+      emergency_parser.sd_abort_by_M524 = false;
+      card.flag.abort_sd_printing = true;
+      gcode.process_subcommands_now(F("M524"));
+    }
   #endif
 
   if (!updateTemperaturesIfReady()) return; // Will also reset the watchdog if temperatures are ready