misc. inspection cleanup

Marlin/src/MarlinCore.cpp

@@ -829,11 +829,7 @@ void kill(PGM_P const lcd_error/*=nullptr*/, PGM_P const lcd_component/*=nullptr
   // Echo the LCD message to serial for extra context
   if (lcd_error) { SERIAL_ECHO_START(); SERIAL_ECHOLNPGM_P(lcd_error); }
 
-  #if EITHER(HAS_DISPLAY, DWIN_CREALITY_LCD)
-    ui.kill_screen(lcd_error ?: GET_TEXT(MSG_KILLED), lcd_component ?: NUL_STR);
-  #else
-    UNUSED(lcd_error); UNUSED(lcd_component);
-  #endif
+  ui.kill_screen(lcd_error ?: GET_TEXT(MSG_KILLED), lcd_component ?: NUL_STR);
 
   TERN_(HAS_TFT_LVGL_UI, lv_draw_error_message(lcd_error));
 

Marlin/src/core/language.h

@@ -254,6 +254,7 @@
 
 #define STR_PRINTER_LOCKED                  "Printer locked! (Unlock with M511 or LCD)"
 #define STR_WRONG_PASSWORD                  "Incorrect Password"
+#define STR_PASSWORD_REQUIRED               "Password required"
 #define STR_PASSWORD_TOO_LONG               "Password too long"
 #define STR_PASSWORD_REMOVED                "Password removed"
 #define STR_REMINDER_SAVE_SETTINGS          "Remember to save!"

Marlin/src/gcode/sd/M1001.cpp

@@ -109,8 +109,8 @@ void GcodeSuite::M1001() {
     gcode.process_subcommands_now_P(PSTR(SD_FINISHED_RELEASECOMMAND));
   #endif
 
-  TERN_(DWIN_CREALITY_LCD, DWIN_Stop_Print());
   TERN_(EXTENSIBLE_UI, ExtUI::onPrintFinished());
+  TERN_(DWIN_CREALITY_LCD, DWIN_Print_Finished());
 
   // Re-select the last printed file in the UI
   TERN_(SD_REPRINT_LAST_SELECTED_FILE, ui.reselect_last_file());

Marlin/src/gcode/stats/M75-M78.cpp

@@ -35,9 +35,10 @@
  */
 void GcodeSuite::M75() {
   startOrResumeJob();
-
-  TERN_(DWIN_CREALITY_LCD, DWIN_Print_Header((parser.string_arg && parser.string_arg[0]) ? parser.string_arg : (char*)"Host Print"));
-  TERN_(DWIN_CREALITY_LCD, DWIN_Start_Print(false));
+  #if ENABLED(DWIN_CREALITY_LCD)
+    DWIN_Print_Header(parser.string_arg && parser.string_arg[0] ? parser.string_arg : GET_TEXT(MSG_HOST_START_PRINT));
+    DWIN_Print_Started(false);
+  #endif
 }
 
 /**
@@ -52,30 +53,62 @@ void GcodeSuite::M76() {
  */
 void GcodeSuite::M77() {
   print_job_timer.stop();
-  TERN_(DWIN_CREALITY_LCD, DWIN_Stop_Print());
+  TERN_(DWIN_CREALITY_LCD, DWIN_Print_Finished());
 }
 
 #if ENABLED(PRINTCOUNTER)
 
-/**
- * M78: Show print statistics
- */
-void GcodeSuite::M78() {
-  if (parser.intval('S') == 78) {  // "M78 S78" will reset the statistics
-    print_job_timer.initStats();
-    ui.reset_status();
-    return;
-  }
+  #if ENABLED(PASSWORD_FEATURE)
+    #include "../../feature/password/password.h"
+  #endif
 
-  #if HAS_SERVICE_INTERVALS
-    if (parser.seenval('R')) {
-      print_job_timer.resetServiceInterval(parser.value_int());
+  /**
+   * M78: Show print statistics
+   *
+   * Parameters:
+   *
+   *  S78      Use M78 S78 to reset all statistics
+   *
+   * With SERVICE_INTERVALS:
+   *
+   *  R<index> Reset service interval 1, 2, or 3 so warnings won't
+   *           appear until the next service interval expires.
+   *
+   * With PASSWORD_FEATURE:
+   *
+   *  P<passcode> - The correct passcode is required for reset.
+   */
+  void GcodeSuite::M78() {
+    const bool reset_all = parser.intval('S') == 78,
+               reset_some = TERN0(HAS_SERVICE_INTERVALS, parser.seenval('R'));
+
+    #if ENABLED(PASSWORD_FEATURE)
+      bool authorized = false;
+      if ((reset_all || reset_some) && password.is_set) {
+        if (!parser.seenval('P'))
+          SERIAL_ECHOLNPGM(STR_PASSWORD_REQUIRED);
+        else if (parser.value_ulong() != password.value)
+          SERIAL_ECHOLNPGM(STR_WRONG_PASSWORD);
+        else
+          authorized = true;
+      }
+    #else
+      constexpr bool authorized = true;
+    #endif
+
+    if (authorized && reset_all) {  // "M78 S78" will reset the statistics
+      print_job_timer.initStats();
       ui.reset_status();
-      return;
     }
-  #endif
 
-  print_job_timer.showStats();
-}
+    #if HAS_SERVICE_INTERVALS
+      if (authorized && parser.seenval('R')) {
+        print_job_timer.resetServiceInterval(parser.value_int());
+        ui.reset_status();
+      }
+    #endif
+
+    print_job_timer.showStats();
+  }
 
 #endif // PRINTCOUNTER

Marlin/src/lcd/dwin/dwin_lcd.cpp

@@ -255,7 +255,6 @@ void DWIN_Draw_CenteredString(bool widthAdjust, bool bShow, uint8_t size,
   DWIN_Draw_String(widthAdjust, bShow, size, color, bColor, x, y, string);
 }
 
-
 // Draw a positive integer
 //  bShow: true=display background color; false=don't display background color
 //  zeroFill: true=zero fill; false=no zero fill
@@ -445,26 +444,24 @@ void DWIN_ICON_AnimationControl(uint16_t state) {
   DWIN_Send(i);
 }
 
-//Draw a circle
-//Color: circle color
-//x: the abscissa of the center of the circle
-//y: ordinate of the center of the circle
-//r: circle radius
-void DWIN_Draw_Circle(uint16_t color, uint16_t x,uint16_t y,uint8_t r) {
-  int a,b;
-  a=b=0;
-  while(a<=b) {
-    b=sqrt(r*r-a*a);
-    while(a==0){ b=b-1;break;}
-    DWIN_Draw_Point(color, 1,1,x+a,y+b);		               //Draw some sector 1
-    DWIN_Draw_Point(color, 1,1,x+b,y+a);		               //Draw some sector 2
-    DWIN_Draw_Point(color, 1,1,x+b,y-a);		               //Draw some sector 3
-    DWIN_Draw_Point(color, 1,1,x+a,y-b);		               //Draw some sector 4
-
-    DWIN_Draw_Point(color, 1,1,x-a,y-b);		              //Draw some sector 5
-    DWIN_Draw_Point(color, 1,1,x-b,y-a);		              //Draw some sector 6
-    DWIN_Draw_Point(color, 1,1,x-b,y+a);		              //Draw some sector 7
-    DWIN_Draw_Point(color, 1,1,x-a,y+b);		              //Draw some sector 8
+// Draw a circle
+//  Color: circle color
+//  x: the abscissa of the center of the circle
+//  y: ordinate of the center of the circle
+//  r: circle radius
+void DWIN_Draw_Circle(uint16_t color, uint16_t x, uint16_t y, uint8_t r) {
+  int a = 0, b = 0;
+  while (a <= b) {
+    b = HYPOT(r, a);
+    if (a == 0) b--;
+    DWIN_Draw_Point(color, 1, 1, x + a, y + b);   // Draw some sector 1
+    DWIN_Draw_Point(color, 1, 1, x + b, y + a);   // Draw some sector 2
+    DWIN_Draw_Point(color, 1, 1, x + b, y - a);   // Draw some sector 3
+    DWIN_Draw_Point(color, 1, 1, x + a, y - b);   // Draw some sector 4
+    DWIN_Draw_Point(color, 1, 1, x - a, y - b);   // Draw some sector 5
+    DWIN_Draw_Point(color, 1, 1, x - b, y - a);   // Draw some sector 6
+    DWIN_Draw_Point(color, 1, 1, x - b, y + a);   // Draw some sector 7
+    DWIN_Draw_Point(color, 1, 1, x - a, y + b);   // Draw some sector 8
     a++;
   }
 }

Marlin/src/lcd/dwin/dwin_lcd.h

@@ -230,7 +230,7 @@ void DWIN_ICON_Animation(uint8_t animID, bool animate, uint8_t libID, uint8_t pi
 //  state: 16 bits, each bit is the state of an animation id
 void DWIN_ICON_AnimationControl(uint16_t state);
 
-//Draw a circle
+// Draw a circle
 void DWIN_Draw_Circle(uint16_t color, uint16_t x,uint16_t y,uint8_t r);
 
 // GUI extension