ExtUI for Anycubic I3 Mega (#18655)

Marlin/src/lcd/extui/lib/anycubic/anycubic_tft.h

@@ -0,0 +1,114 @@
+/**
+ * anycubic_tft.h  --- Support for Anycubic i3 Mega TFT
+ * Created by Christian Hopp on 09.12.17.
+ * Improved by David Ramiro
+ * Converted to ext_iu by John BouAntoun 21 June 2020
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#pragma once
+
+#include "../../../../inc/MarlinConfigPre.h"
+#include "../../../../sd/SdFatConfig.h"   // for the FILENAME_LENGTH macro
+
+// command sending macro's with debugging capability
+#define ANYCUBIC_SENDCOMMANDPGM(x)                  ANYCUBIC_SERIAL_PROTOCOLLNPGM(x)
+#define ANYCUBIC_SENDCOMMANDPGM_VAL(x,y)            (ANYCUBIC_SERIAL_PROTOCOLPGM(x), ANYCUBIC_SERIAL_PROTOCOLLN(itostr3(y)))
+#define ANYCUBIC_SENDCOMMAND(x)                     ANYCUBIC_SERIAL_PROTOCOLLN(x)
+#if ENABLED(ANYCUBIC_TFT_DEBUG)
+  #define ANYCUBIC_SENDCOMMAND_DBG_PGM(x,y)         (ANYCUBIC_SERIAL_PROTOCOLLNPGM(x), SERIAL_ECHOLNPGM(y))
+  #define ANYCUBIC_SENDCOMMAND_DBG_PGM_VAL(x,y,z)   (ANYCUBIC_SERIAL_PROTOCOLLNPGM(x), SERIAL_ECHOPGM(y), SERIAL_ECHOLN(z))
+#else
+  #define ANYCUBIC_SENDCOMMAND_DBG_PGM(x,y)         (ANYCUBIC_SERIAL_PROTOCOLLNPGM(x))
+  #define ANYCUBIC_SENDCOMMAND_DBG_PGM_VAL(x,y,z)   (ANYCUBIC_SERIAL_PROTOCOLLNPGM(x))
+#endif
+
+char *itostr2(const uint8_t &x);
+#ifndef ULTRA_LCD
+  char *itostr3(const int);
+  char *ftostr32(const float &);
+#endif
+
+#define TFTBUFSIZE 4
+#define TFT_MAX_CMD_SIZE 96
+
+enum AnycubicMediaPrintState {
+  AMPRINTSTATE_NOT_PRINTING,
+  AMPRINTSTATE_PRINTING,
+  AMPRINTSTATE_PAUSE_REQUESTED,
+  AMPRINTSTATE_PAUSED,
+  AMPRINTSTATE_STOP_REQUESTED
+};
+
+enum AnycubicMediaPauseState {
+  AMPAUSESTATE_NOT_PAUSED,
+  AMPAUSESTATE_PARKING,
+  AMPAUSESTATE_PARKED,
+  AMPAUSESTATE_FILAMENT_OUT,
+  AMPAUSESTATE_FIAMENT_PRUGING,
+  AMPAUSESTATE_HEATER_TIMEOUT,
+  AMPAUSESTATE_REHEATING,
+  AMPAUSESTATE_REHEAT_FINISHED
+};
+
+class AnycubicTFTClass {
+public:
+  AnycubicTFTClass();
+  void OnSetup();
+  void OnCommandScan();
+  void OnKillTFT();
+  void OnSDCardStateChange(bool);
+  void OnSDCardError();
+  void OnFilamentRunout();
+  void OnUserConfirmRequired(const char *);
+  void OnPrintTimerStarted();
+  void OnPrintTimerPaused();
+  void OnPrintTimerStopped();
+
+private:
+  char TFTcmdbuffer[TFTBUFSIZE][TFT_MAX_CMD_SIZE];
+  int TFTbuflen=0;
+  int TFTbufindr = 0;
+  int TFTbufindw = 0;
+  char serial3_char;
+  int serial3_count = 0;
+  char *TFTstrchr_pointer;
+  uint8_t SpecialMenu = false;
+  AnycubicMediaPrintState mediaPrintingState = AMPRINTSTATE_NOT_PRINTING;
+  AnycubicMediaPauseState mediaPauseState = AMPAUSESTATE_NOT_PAUSED;
+
+  float CodeValue();
+  bool CodeSeen(char);
+  bool IsNozzleHomed();
+  void RenderCurrentFileList();
+  void RenderSpecialMenu(uint16_t);
+  void RenderCurrentFolder(uint16_t);
+  void GetCommandFromTFT();
+  void CheckSDCardChange();
+  void CheckPauseState();
+  void CheckPrintCompletion();
+  void HandleSpecialMenu();
+  void DoSDCardStateCheck();
+  void DoFilamentRunoutCheck();
+  void StartPrint();
+  void PausePrint();
+  void ResumePrint();
+  void StopPrint();
+
+  char SelectedDirectory[30];
+  char SelectedFile[FILENAME_LENGTH];
+};
+
+extern AnycubicTFTClass AnycubicTFT;