text: /**
   * Marlin 3D Printer Firmware
   * Copyright (c) 2021 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/nextion/nextion_tft_defs.h
   * ****************************************
   * Extensible_UI implementation for Nextion
   * https://github.com/Skorpi08
   * ***************************************/
  
  #include "../../../inc/MarlinConfigPre.h"
  
  //#define NEXDEBUGLEVEL 255
  #if NEXDEBUGLEVEL
    // Bit-masks for selective debug:
    enum NexDebugMask : uint8_t {
      N_INFO   = _BV(0),
      N_ACTION = _BV(1),
      N_FILE   = _BV(2),
      N_PANEL  = _BV(3),
      N_MARLIN = _BV(4),
      N_SOME   = _BV(5),
      N_ALL    = _BV(6)
    };
    #define NEXDEBUG(M) (((M) & NEXDEBUGLEVEL) == M)  // Debug flag macro
  #else
    #define NEXDEBUG(M) false
  #endif
  
  #define MAX_FOLDER_DEPTH                4    // Limit folder depth TFT has a limit for the file path
  #define MAX_CMND_LEN                   16 * MAX_FOLDER_DEPTH // Maximum Length for a Panel command
  #define MAX_PATH_LEN                   16 * MAX_FOLDER_DEPTH // Maximum number of characters in a SD file path
  
   // TFT panel commands
  #define  msg_welcome                MACHINE_NAME " Ready."
  
  #define SEND_TEMP(x,y,t,z)  (nextion.SendtoTFT(F(x)), nextion.SendtoTFT(F(".txt=\"")), LCD_SERIAL.print(y), nextion.SendtoTFT(F(t)), LCD_SERIAL.print(z), nextion.SendtoTFT(F("\"\xFF\xFF\xFF")))
  #define SEND_VAL(x,y)       (nextion.SendtoTFT(F(x)), nextion.SendtoTFT(F(".val=")),   LCD_SERIAL.print(y), nextion.SendtoTFT(F("\xFF\xFF\xFF")))
  #define SEND_TXT(x,y)       (nextion.SendtoTFT(F(x)), nextion.SendtoTFT(F(".txt=\"")), nextion.SendtoTFT(F(y)), nextion.SendtoTFT(F("\"\xFF\xFF\xFF")))
  #define SEND_TXT_F(x,y)     (nextion.SendtoTFT(F(x)), nextion.SendtoTFT(F(".txt=\"")), nextion.SendtoTFT(y), nextion.SendtoTFT(F("\"\xFF\xFF\xFF")))
  #define SEND_VALasTXT(x,y)  (nextion.SendtoTFT(F(x)), nextion.SendtoTFT(F(".txt=\"")), LCD_SERIAL.print(y), nextion.SendtoTFT(F("\"\xFF\xFF\xFF")))
  #define SEND_TXT_END(x)     (nextion.SendtoTFT(F(x)), nextion.SendtoTFT(F("\xFF\xFF\xFF")))
  #define SEND_PCO2(x,y,z)    (nextion.SendtoTFT(F(x)), LCD_SERIAL.print(y), nextion.SendtoTFT(F(".pco=")), nextion.SendtoTFT(F(z)), nextion.SendtoTFT(F("\xFF\xFF\xFF")))
  