update code base to Marlin 2.0.9.2

Marlin/src/lcd/extui/dgus/DGUSScreenHandler.h

@@ -0,0 +1,76 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * lcd/extui/dgus/DGUSScreenHandler.h
+ */
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#include "../ui_api.h"
+
+#if ENABLED(DGUS_FILAMENT_LOADUNLOAD)
+
+  typedef struct  {
+    ExtUI::extruder_t extruder; // which extruder to operate
+    uint8_t action; // load or unload
+    bool heated; // heating done ?
+    float purge_length; // the length to extrude before unload, prevent filament jam
+  } filament_data_t;
+
+  extern filament_data_t filament_data;
+
+#endif
+
+// endianness swap
+inline uint16_t swap16(const uint16_t value) { return (value & 0xFFU) << 8U | (value >> 8U); }
+
+#if ENABLED(DGUS_LCD_UI_ORIGIN)
+  #include "origin/DGUSScreenHandler.h"
+#elif ENABLED(DGUS_LCD_UI_MKS)
+  #include "mks/DGUSScreenHandler.h"
+#elif ENABLED(DGUS_LCD_UI_FYSETC)
+  #include "fysetc/DGUSScreenHandler.h"
+#elif ENABLED(DGUS_LCD_UI_HIPRECY)
+  #include "hiprecy/DGUSScreenHandler.h"
+#endif
+
+extern DGUSScreenHandler ScreenHandler;
+
+// Helper to define a DGUS_VP_Variable for common use-cases.
+#define VPHELPER(VPADR, VPADRVAR, RXFPTR, TXFPTR) { \
+  .VP = VPADR, \
+  .memadr = VPADRVAR, \
+  .size = sizeof(VPADRVAR), \
+  .set_by_display_handler = RXFPTR, \
+  .send_to_display_handler = TXFPTR \
+}
+
+// Helper to define a DGUS_VP_Variable when the size of the var cannot be determined automatically (e.g., a string)
+#define VPHELPER_STR(VPADR, VPADRVAR, STRLEN, RXFPTR, TXFPTR) { \
+  .VP = VPADR, \
+  .memadr = VPADRVAR, \
+  .size = STRLEN, \
+  .set_by_display_handler = RXFPTR, \
+  .send_to_display_handler = TXFPTR \
+}