Add SD Release when no SD_DETECT_PIN exists (#13857)

Marlin/src/lcd/language/language_en.h

@@ -67,6 +67,9 @@
 #ifndef MSG_SD_REMOVED
   #define MSG_SD_REMOVED                      _UxGT("Card removed")
 #endif
+#ifndef MSG_SD_RELEASED
+  #define MSG_SD_RELEASED                     _UxGT("Card released")
+#endif
 #ifndef MSG_LCD_ENDSTOPS
   #define MSG_LCD_ENDSTOPS                    _UxGT("Endstops") // Max length 8 characters
 #endif
@@ -879,6 +882,9 @@
 #ifndef MSG_CHANGE_SDCARD
   #define MSG_CHANGE_SDCARD                   _UxGT("Change SD card")
 #endif
+#ifndef MSG_RELEASE_SDCARD
+  #define MSG_RELEASE_SDCARD                  _UxGT("Release SD card")
+#endif
 #ifndef MSG_ZPROBE_OUT
   #define MSG_ZPROBE_OUT                      _UxGT("Z Probe past bed")
 #endif

Marlin/src/lcd/menu/menu_main.cpp

@@ -178,16 +178,22 @@ void menu_main() {
       if (card_detected) {
         if (!card_open) {
           MENU_ITEM(submenu, MSG_CARD_MENU, menu_sdcard);
-          #if !PIN_EXISTS(SD_DETECT)
+          MENU_ITEM(gcode,
-            MENU_ITEM(gcode, MSG_CHANGE_SDCARD, PSTR("M21"));  // SD-card changed by user
+            #if PIN_EXISTS(SD_DETECT)
-          #endif
+              MSG_CHANGE_SDCARD, PSTR("M21")
+            #else
+              MSG_RELEASE_SDCARD, PSTR("M22")
+            #endif
+          );
         }
       }
       else {
-        #if !PIN_EXISTS(SD_DETECT)
+        #if PIN_EXISTS(SD_DETECT)
-          MENU_ITEM(gcode, MSG_INIT_SDCARD, PSTR("M21")); // Manually init SD-card
+          MENU_ITEM(function, MSG_NO_CARD, NULL);
+        #else
+          MENU_ITEM(gcode, MSG_INIT_SDCARD, PSTR("M21"));
+          MENU_ITEM(function, MSG_SD_RELEASED, NULL);
         #endif
-        MENU_ITEM(function, MSG_NO_CARD, NULL);
       }
     #endif // !HAS_ENCODER_WHEEL && SDSUPPORT
 
@@ -259,16 +265,22 @@ void menu_main() {
     if (card_detected) {
       if (!card_open) {
         MENU_ITEM(submenu, MSG_CARD_MENU, menu_sdcard);
-        #if !PIN_EXISTS(SD_DETECT)
+        MENU_ITEM(gcode,
-          MENU_ITEM(gcode, MSG_CHANGE_SDCARD, PSTR("M21"));  // SD-card changed by user
+          #if PIN_EXISTS(SD_DETECT)
-        #endif
+            MSG_CHANGE_SDCARD, PSTR("M21")
+          #else
+            MSG_RELEASE_SDCARD, PSTR("M22")
+          #endif
+        );
       }
     }
     else {
-      #if !PIN_EXISTS(SD_DETECT)
+      #if PIN_EXISTS(SD_DETECT)
-        MENU_ITEM(gcode, MSG_INIT_SDCARD, PSTR("M21")); // Manually init SD-card
+        MENU_ITEM(function, MSG_NO_CARD, NULL);
+      #elif
+        MENU_ITEM(gcode, MSG_INIT_SDCARD, PSTR("M21"));
+        MENU_ITEM(function, MSG_SD_RELEASED, NULL);
       #endif
-      MENU_ITEM(function, MSG_NO_CARD, NULL);
     }
   #endif // HAS_ENCODER_WHEEL && SDSUPPORT