/** * Marlin 3D Printer Firmware * Copyright (C) 2016 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 . * */ /** * ultralcd_impl_DOGM.cpp * * Implementation of the LCD display routines for a DOGM128 graphic display. * by STB for ErikZalm/Marlin. Common LCD 128x64 pixel graphic displays. * * Demonstrator: http://www.reprap.org/wiki/STB_Electronics * License: http://opensource.org/licenses/BSD-3-Clause * * With the use of: * u8glib by Oliver Kraus * https://github.com/olikraus/U8glib_Arduino * License: http://opensource.org/licenses/BSD-3-Clause */ #include "../../inc/MarlinConfigPre.h" #if HAS_GRAPHICAL_LCD #include "../ultralcd.h" #include #include "HAL_LCD_class_defines.h" #include "u8g_fontutf8.h" #include "../lcdprint.h" #include "../fontutils.h" #include "dogm_Bootscreen.h" #include "../../sd/cardreader.h" #include "../../module/temperature.h" #include "../../module/printcounter.h" #if ENABLED(SDSUPPORT) #include "../../libs/duration_t.h" #endif #if ENABLED(AUTO_BED_LEVELING_UBL) #include "../../feature/bedlevel/ubl/ubl.h" #endif #define FONT_SPECIAL_NAME ISO10646_1_5x7 #define FONT_MENU_NAME ISO10646_1_5x7 #include "fontdata/fontdata_ISO10646_1.h" #if ENABLED(USE_SMALL_INFOFONT) #include "fontdata/fontdata_6x9_marlin.h" #define FONT_STATUSMENU_NAME u8g_font_6x9 #else #define FONT_STATUSMENU_NAME FONT_MENU_NAME #endif #define START_COL 0 U8G_CLASS u8g(U8G_PARAM); U8GLIB *pu8g = &u8g; #include LANGUAGE_DATA_INCL(LCD_LANGUAGE) #if HAS_LCD_CONTRAST int16_t lcd_contrast; // Initialized by settings.load() void set_lcd_contrast(const int16_t value) { lcd_contrast = constrain(value, LCD_CONTRAST_MIN, LCD_CONTRAST_MAX); u8g.setContrast(lcd_contrast); } #endif void lcd_setFont(const MarlinFont font_nr) { static char currentfont = 0; if (font_nr != currentfont) { switch ((currentfont = font_nr)) { case FONT_STATUSMENU : u8g.setFont(FONT_STATUSMENU_NAME); break; default: case FONT_MENU : u8g.setFont(FONT_MENU_NAME); break; case FONT_SPECIAL : u8g.setFont(FONT_SPECIAL_NAME); break; case FONT_MENU_EDIT : u8g.setFont(FONT_MENU_EDIT_NAME); break; } } } #if ENABLED(SHOW_BOOTSCREEN) #if ENABLED(SHOW_CUSTOM_BOOTSCREEN) FORCE_INLINE void draw_custom_bootscreen(const u8g_pgm_uint8_t * const bmp, const bool erase=true) { constexpr u8g_uint_t left = (LCD_PIXEL_WIDTH - (CUSTOM_BOOTSCREEN_BMPWIDTH)) / 2, top = (LCD_PIXEL_HEIGHT - (CUSTOM_BOOTSCREEN_BMPHEIGHT)) / 2; #if ENABLED(CUSTOM_BOOTSCREEN_INVERTED) constexpr u8g_uint_t right = left + CUSTOM_BOOTSCREEN_BMPWIDTH, bottom = top + CUSTOM_BOOTSCREEN_BMPHEIGHT; #endif u8g.firstPage(); do { u8g.drawBitmapP( left, top, CEILING(CUSTOM_BOOTSCREEN_BMPWIDTH, 8), CUSTOM_BOOTSCREEN_BMPHEIGHT, bmp ); #if ENABLED(CUSTOM_BOOTSCREEN_INVERTED) if (erase) { u8g.setColorIndex(1); if (top) u8g.drawBox(0, 0, LCD_PIXEL_WIDTH, top); if (left) u8g.drawBox(0, top, left, CUSTOM_BOOTSCREEN_BMPHEIGHT); if (right < LCD_PIXEL_WIDTH) u8g.drawBox(right, top, LCD_PIXEL_WIDTH - right, CUSTOM_BOOTSCREEN_BMPHEIGHT); if (bottom < LCD_PIXEL_HEIGHT) u8g.drawBox(0, bottom, LCD_PIXEL_WIDTH, LCD_PIXEL_HEIGHT - bottom); } #else UNUSED(erase); #endif } while (u8g.nextPage()); } void lcd_custom_bootscreen() { #if ENABLED(ANIMATED_BOOTSCREEN) LOOP_L_N(f, COUNT(custom_bootscreen_animation)) { if (f) safe_delay(CUSTOM_BOOTSCREEN_FRAME_TIME); draw_custom_bootscreen((u8g_pgm_uint8_t*)pgm_read_ptr(&custom_bootscreen_animation[f]), f == 0); } #else draw_custom_bootscreen(custom_start_bmp); #endif safe_delay(CUSTOM_BOOTSCREEN_TIMEOUT); } #endif // SHOW_CUSTOM_BOOTSCREEN void lcd_bootscreen() { #if ENABLED(SHOW_CUSTOM_BOOTSCREEN) lcd_custom_bootscreen(); #endif constexpr uint8_t offy = #if ENABLED(START_BMPHIGH) (LCD_PIXEL_HEIGHT - (START_BMPHEIGHT)) / 2 #else DOG_CHAR_HEIGHT #endif ; const uint8_t width = u8g.getWidth(), height = u8g.getHeight(), offx = (width - (START_BMPWIDTH)) / 2; u8g.firstPage(); do { u8g.drawBitmapP(offx, offy, (START_BMPWIDTH + 7) / 8, START_BMPHEIGHT, start_bmp); lcd_setFont(FONT_MENU); #ifndef STRING_SPLASH_LINE2 const uint8_t txt1X = width - (sizeof(STRING_SPLASH_LINE1) - 1) * (DOG_CHAR_WIDTH); u8g.drawStr(txt1X, (height + DOG_CHAR_HEIGHT) / 2, STRING_SPLASH_LINE1); #else const uint8_t txt1X = (width - (sizeof(STRING_SPLASH_LINE1) - 1) * (DOG_CHAR_WIDTH)) / 2, txt2X = (width - (sizeof(STRING_SPLASH_LINE2) - 1) * (DOG_CHAR_WIDTH)) / 2; u8g.drawStr(txt1X, height - (DOG_CHAR_HEIGHT) * 3 / 2, STRING_SPLASH_LINE1); u8g.drawStr(txt2X, height - (DOG_CHAR_HEIGHT) * 1 / 2, STRING_SPLASH_LINE2); #endif } while (u8g.nextPage()); safe_delay(BOOTSCREEN_TIMEOUT); } #endif // SHOW_BOOTSCREEN #if ENABLED(LIGHTWEIGHT_UI) #include "status_screen_lite_ST7920.h" #endif // Initialize or re-initialize the LCD void lcd_implementation_init() { #if PIN_EXISTS(LCD_BACKLIGHT) // Enable LCD backlight OUT_WRITE(LCD_BACKLIGHT_PIN, HIGH); #endif #if ENABLED(MKS_12864OLED) || ENABLED(MKS_12864OLED_SSD1306) SET_OUTPUT(LCD_PINS_DC); #if !defined(LCD_RESET_PIN) #define LCD_RESET_PIN LCD_PINS_RS #endif #endif #if PIN_EXISTS(LCD_RESET) OUT_WRITE(LCD_RESET_PIN, LOW); // perform a clean hardware reset _delay_ms(5); OUT_WRITE(LCD_RESET_PIN, HIGH); _delay_ms(5); // delay to allow the display to initalize #endif #if PIN_EXISTS(LCD_RESET) u8g.begin(); #endif #if HAS_LCD_CONTRAST set_lcd_contrast(lcd_contrast); #endif #if ENABLED(LCD_SCREEN_ROT_90) u8g.setRot90(); // Rotate screen by 90° #elif ENABLED(LCD_SCREEN_ROT_180) u8g.setRot180(); // Rotate screen by 180° #elif ENABLED(LCD_SCREEN_ROT_270) u8g.setRot270(); // Rotate screen by 270° #endif uxg_SetUtf8Fonts(g_fontinfo, NUM_ARRAY(g_fontinfo)); } // The kill screen is displayed for unrecoverable conditions void lcd_kill_screen() { #if ENABLED(LIGHTWEIGHT_UI) ST7920_Lite_Status_Screen::clear_text_buffer(); #endif const uint8_t h4 = u8g.getHeight() / 4; u8g.firstPage(); do { lcd_setFont(FONT_MENU); lcd_moveto(0, h4 * 1); lcd_put_u8str(lcd_status_message); lcd_moveto(0, h4 * 2); lcd_put_u8str_P(PSTR(MSG_HALTED)); lcd_moveto(0, h4 * 3); lcd_put_u8str_P(PSTR(MSG_PLEASE_RESET)); } while (u8g.nextPage()); } void lcd_implementation_clear() { } // Automatically cleared by Picture Loop #if ENABLED(ULTIPANEL) uint8_t row_y1, row_y2; #if ENABLED(ADVANCED_PAUSE_FEATURE) void lcd_implementation_hotend_status(const uint8_t row, const uint8_t extruder) { row_y1 = row * (DOG_CHAR_HEIGHT) + 1; row_y2 = row_y1 + DOG_CHAR_HEIGHT - 1; if (!PAGE_CONTAINS(row_y1 + 1, row_y2 + 2)) return; lcd_moveto(LCD_PIXEL_WIDTH - 11 * (DOG_CHAR_WIDTH), row_y2); lcd_put_wchar('E'); lcd_put_wchar((char)('1' + extruder)); lcd_put_wchar(' '); lcd_put_u8str(itostr3(thermalManager.degHotend(extruder))); lcd_put_wchar('/'); if (lcd_blink() || !thermalManager.is_heater_idle(extruder)) lcd_put_u8str(itostr3(thermalManager.degTargetHotend(extruder))); } #endif // ADVANCED_PAUSE_FEATURE // Set the colors for a menu item based on whether it is selected static bool mark_as_selected(const uint8_t row, const bool isSelected) { row_y1 = row * (DOG_CHAR_HEIGHT) + 1; row_y2 = row_y1 + DOG_CHAR_HEIGHT - 1; if (!PAGE_CONTAINS(row_y1 + 1, row_y2 + 2)) return false; if (isSelected) { #if ENABLED(MENU_HOLLOW_FRAME) u8g.drawHLine(0, row_y1 + 1, LCD_PIXEL_WIDTH); u8g.drawHLine(0, row_y2 + 2, LCD_PIXEL_WIDTH); #else u8g.setColorIndex(1); // black on white u8g.drawBox(0, row_y1 + 2, LCD_PIXEL_WIDTH, DOG_CHAR_HEIGHT - 1); u8g.setColorIndex(0); // white on black #endif } #if DISABLED(MENU_HOLLOW_FRAME) else { u8g.setColorIndex(1); // unmarked text is black on white } #endif if (!PAGE_CONTAINS(row_y1, row_y2)) return false; lcd_moveto((START_COL) * (DOG_CHAR_WIDTH), row_y2); return true; } // Draw a static line of text in the same idiom as a menu item void lcd_implementation_drawmenu_static(const uint8_t row, PGM_P pstr, const bool center/*=true*/, const bool invert/*=false*/, const char* valstr/*=NULL*/) { if (mark_as_selected(row, invert)) { uint8_t n = LCD_PIXEL_WIDTH - (DOG_CHAR_WIDTH) * (START_COL); // pixel width of string allowed if (center && !valstr) { int8_t pad = (LCD_WIDTH - utf8_strlen_P(pstr)) / 2; while (--pad >= 0) { lcd_put_wchar(' '); n--; } } n -= lcd_put_u8str_max_P(pstr, n); if (NULL != valstr) { n -= lcd_put_u8str_max(valstr, n); } while (n - DOG_CHAR_WIDTH > 0) { n -= lcd_put_wchar(' '); } } } // Draw a generic menu item void lcd_implementation_drawmenu_generic(const bool isSelected, const uint8_t row, PGM_P pstr, const char pre_char, const char post_char) { UNUSED(pre_char); if (mark_as_selected(row, isSelected)) { uint8_t n = LCD_WIDTH - (START_COL) - 2; n *= DOG_CHAR_WIDTH; n -= lcd_put_u8str_max_P(pstr, n); while (n - DOG_CHAR_WIDTH > 0) { n -= lcd_put_wchar(' '); } lcd_moveto(LCD_PIXEL_WIDTH - (DOG_CHAR_WIDTH), row_y2); lcd_put_wchar(post_char); lcd_put_wchar(' '); } } // Draw a menu item with an editable value void _drawmenu_setting_edit_generic(const bool isSelected, const uint8_t row, PGM_P pstr, const char* const data, const bool pgm) { if (mark_as_selected(row, isSelected)) { const uint8_t vallen = (pgm ? utf8_strlen_P(data) : utf8_strlen((char*)data)); uint8_t n = LCD_WIDTH - (START_COL) - 2 - vallen; n *= DOG_CHAR_WIDTH; n -= lcd_put_u8str_max_P(pstr, n); lcd_put_wchar(':'); while (n - DOG_CHAR_WIDTH > 0) { n -= lcd_put_wchar(' '); } lcd_moveto(LCD_PIXEL_WIDTH - (DOG_CHAR_WIDTH) * vallen, row_y2); if (pgm) lcd_put_u8str_P(data); else lcd_put_u8str((char*)data); } } void lcd_implementation_drawedit(PGM_P const pstr, const char* const value/*=NULL*/) { const uint8_t labellen = utf8_strlen_P(pstr), vallen = utf8_strlen(value); uint8_t rows = (labellen > LCD_WIDTH - 2 - vallen) ? 2 : 1; #if ENABLED(USE_BIG_EDIT_FONT) constexpr uint8_t lcd_width_edit = (LCD_PIXEL_WIDTH) / (DOG_CHAR_WIDTH_EDIT); uint8_t lcd_width, char_width; if (labellen <= lcd_width_edit - 1) { if (labellen + vallen + 2 >= lcd_width_edit) rows = 2; lcd_width = lcd_width_edit + 1; char_width = DOG_CHAR_WIDTH_EDIT; lcd_setFont(FONT_MENU_EDIT); } else { lcd_width = LCD_WIDTH - (START_COL); char_width = DOG_CHAR_WIDTH; lcd_setFont(FONT_MENU); } #else constexpr uint8_t lcd_width = LCD_WIDTH - (START_COL), char_width = DOG_CHAR_WIDTH; #endif // Center either one or two rows const uint8_t segmentHeight = u8g.getHeight() / (rows + 1); // 1 / (rows+1) = 1/2 or 1/3 uint8_t baseline = segmentHeight + (DOG_CHAR_HEIGHT_EDIT + 1) / 2; bool onpage = PAGE_CONTAINS(baseline + 1 - (DOG_CHAR_HEIGHT_EDIT), baseline); if (onpage) { lcd_moveto(0, baseline); lcd_put_u8str_P(pstr); } if (value != NULL) { lcd_put_wchar(':'); if (rows == 2) { baseline += segmentHeight; onpage = PAGE_CONTAINS(baseline + 1 - (DOG_CHAR_HEIGHT_EDIT), baseline); } if (onpage) { lcd_moveto(((lcd_width - 1) - (vallen + 1)) * char_width, baseline); // Right-justified, leaving padded by spaces lcd_put_wchar(' '); // overwrite char if value gets shorter lcd_put_u8str(value); } } } #if ENABLED(SDSUPPORT) void _drawmenu_sd(const bool isSelected, const uint8_t row, PGM_P const pstr, CardReader &theCard, const bool isDir) { UNUSED(pstr); mark_as_selected(row, isSelected); if (!PAGE_CONTAINS(row_y1, row_y2)) return; constexpr uint8_t maxlen = LCD_WIDTH - (START_COL) - 1; const char *outstr = theCard.longest_filename(); if (theCard.longFilename[0]) { #if ENABLED(SCROLL_LONG_FILENAMES) static uint8_t filename_scroll_hash; if (isSelected) { uint8_t name_hash = row; for (uint8_t l = FILENAME_LENGTH; l--;) name_hash = ((name_hash << 1) | (name_hash >> 7)) ^ theCard.filename[l]; // rotate, xor if (filename_scroll_hash != name_hash) { // If the hash changed... filename_scroll_hash = name_hash; // Save the new hash filename_scroll_max = MAX(0, utf8_strlen(theCard.longFilename) - maxlen); // Update the scroll limit filename_scroll_pos = 0; // Reset scroll to the start lcd_status_update_delay = 8; // Don't scroll right away } outstr += filename_scroll_pos; } #else theCard.longFilename[maxlen] = '\0'; // cutoff at screen edge #endif } if (isDir) lcd_put_wchar(LCD_STR_FOLDER[0]); int n; n = lcd_put_u8str_max(outstr, maxlen * (DOG_CHAR_WIDTH)); n = maxlen * (DOG_CHAR_WIDTH) - n; while (n - DOG_CHAR_WIDTH > 0) { n -= lcd_put_wchar(' '); } } #endif // SDSUPPORT #if ENABLED(AUTO_BED_LEVELING_UBL) /** * UBL LCD "radar" map data */ #define MAP_UPPER_LEFT_CORNER_X 35 // These probably should be moved to the .h file But for now, #define MAP_UPPER_LEFT_CORNER_Y 8 // it is easier to play with things having them here #define MAP_MAX_PIXELS_X 53 #define MAP_MAX_PIXELS_Y 49 void lcd_implementation_ubl_plot(const uint8_t x_plot, const uint8_t y_plot) { // Scale the box pixels appropriately uint8_t x_map_pixels = ((MAP_MAX_PIXELS_X - 4) / (GRID_MAX_POINTS_X)) * (GRID_MAX_POINTS_X), y_map_pixels = ((MAP_MAX_PIXELS_Y - 4) / (GRID_MAX_POINTS_Y)) * (GRID_MAX_POINTS_Y), pixels_per_x_mesh_pnt = x_map_pixels / (GRID_MAX_POINTS_X), pixels_per_y_mesh_pnt = y_map_pixels / (GRID_MAX_POINTS_Y), x_offset = MAP_UPPER_LEFT_CORNER_X + 1 + (MAP_MAX_PIXELS_X - x_map_pixels - 2) / 2, y_offset = MAP_UPPER_LEFT_CORNER_Y + 1 + (MAP_MAX_PIXELS_Y - y_map_pixels - 2) / 2; // Clear the Mesh Map if (PAGE_CONTAINS(y_offset - 2, y_offset + y_map_pixels + 4)) { u8g.setColorIndex(1); // First draw the bigger box in White so we have a border around the mesh map box u8g.drawBox(x_offset - 2, y_offset - 2, x_map_pixels + 4, y_map_pixels + 4); if (PAGE_CONTAINS(y_offset, y_offset + y_map_pixels)) { u8g.setColorIndex(0); // Now actually clear the mesh map box u8g.drawBox(x_offset, y_offset, x_map_pixels, y_map_pixels); } } // Display Mesh Point Locations u8g.setColorIndex(1); const uint8_t sx = x_offset + pixels_per_x_mesh_pnt / 2; uint8_t y = y_offset + pixels_per_y_mesh_pnt / 2; for (uint8_t j = 0; j < GRID_MAX_POINTS_Y; j++, y += pixels_per_y_mesh_pnt) if (PAGE_CONTAINS(y, y)) for (uint8_t i = 0, x = sx; i < GRID_MAX_POINTS_X; i++, x += pixels_per_x_mesh_pnt) u8g.drawBox(x, y, 1, 1); // Fill in the Specified Mesh Point uint8_t inverted_y = GRID_MAX_POINTS_Y - y_plot - 1; // The origin is typically in the lower right corner. We need to // invert the Y to get it to plot in the right location. const uint8_t by = y_offset + inverted_y * pixels_per_y_mesh_pnt; if (PAGE_CONTAINS(by, by + pixels_per_y_mesh_pnt)) u8g.drawBox( x_offset + x_plot * pixels_per_x_mesh_pnt, by, pixels_per_x_mesh_pnt, pixels_per_y_mesh_pnt ); // Put Relevant Text on Display // Show X and Y positions at top of screen u8g.setColorIndex(1); if (PAGE_UNDER(7)) { lcd_moveto(5, 7); lcd_put_u8str("X:"); lcd_put_u8str(ftostr52(LOGICAL_X_POSITION(pgm_read_float(&ubl._mesh_index_to_xpos[x_plot])))); lcd_moveto(74, 7); lcd_put_u8str("Y:"); lcd_put_u8str(ftostr52(LOGICAL_Y_POSITION(pgm_read_float(&ubl._mesh_index_to_ypos[y_plot])))); } // Print plot position if (PAGE_CONTAINS(LCD_PIXEL_HEIGHT - (INFO_FONT_HEIGHT - 1), LCD_PIXEL_HEIGHT)) { lcd_moveto(5, LCD_PIXEL_HEIGHT); lcd_put_wchar('('); u8g.print(x_plot); lcd_put_wchar(','); u8g.print(y_plot); lcd_put_wchar(')'); // Show the location value lcd_moveto(74, LCD_PIXEL_HEIGHT); lcd_put_u8str("Z:"); if (!isnan(ubl.z_values[x_plot][y_plot])) lcd_put_u8str(ftostr43sign(ubl.z_values[x_plot][y_plot])); else lcd_put_u8str_P(PSTR(" -----")); } } #endif // AUTO_BED_LEVELING_UBL #if ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY) || ENABLED(MESH_EDIT_GFX_OVERLAY) const unsigned char cw_bmp[] PROGMEM = { B00000011,B11111000,B00000000, B00001111,B11111110,B00000000, B00011110,B00001111,B00000000, B00111000,B00000111,B00000000, B00111000,B00000011,B10000000, B01110000,B00000011,B10000000, B01110000,B00001111,B11100000, B01110000,B00000111,B11000000, B01110000,B00000011,B10000000, B01110000,B00000001,B00000000, B01110000,B00000000,B00000000, B00111000,B00000000,B00000000, B00111000,B00000111,B00000000, B00011110,B00001111,B00000000, B00001111,B11111110,B00000000, B00000011,B11111000,B00000000 }; const unsigned char ccw_bmp[] PROGMEM = { B00000000,B11111110,B00000000, B00000011,B11111111,B10000000, B00000111,B10000011,B11000000, B00001110,B00000001,B11000000, B00001110,B00000000,B11100000, B00011100,B00000000,B11100000, B01111111,B00000000,B11100000, B00111110,B00000000,B11100000, B00011100,B00000000,B11100000, B00001000,B00000000,B11100000, B00000000,B00000000,B11100000, B00000000,B00000001,B11000000, B00001110,B00000001,B11000000, B00001111,B00000111,B10000000, B00000111,B11111111,B00000000, B00000001,B11111100,B00000000 }; const unsigned char up_arrow_bmp[] PROGMEM = { B00000100,B00000000, B00001110,B00000000, B00011111,B00000000, B00111111,B10000000, B01111111,B11000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000 }; const unsigned char down_arrow_bmp[] PROGMEM = { B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B00001110,B00000000, B01111111,B11000000, B00111111,B10000000, B00011111,B00000000, B00001110,B00000000, B00000100,B00000000 }; const unsigned char offset_bedline_bmp[] PROGMEM = { B11111111,B11111111,B11111111 }; const unsigned char nozzle_bmp[] PROGMEM = { B01111111,B10000000, B11111111,B11000000, B11111111,B11000000, B11111111,B11000000, B01111111,B10000000, B01111111,B10000000, B11111111,B11000000, B11111111,B11000000, B11111111,B11000000, B00111111,B00000000, B00011110,B00000000, B00001100,B00000000 }; void _lcd_zoffset_overlay_gfx(const float zvalue) { // Determine whether the user is raising or lowering the nozzle. static int8_t dir; static float old_zvalue; if (zvalue != old_zvalue) { dir = zvalue ? zvalue < old_zvalue ? -1 : 1 : 0; old_zvalue = zvalue; } #if ENABLED(OVERLAY_GFX_REVERSE) const unsigned char *rot_up = ccw_bmp, *rot_down = cw_bmp; #else const unsigned char *rot_up = cw_bmp, *rot_down = ccw_bmp; #endif #if ENABLED(USE_BIG_EDIT_FONT) const int left = 0, right = 45, nozzle = 95; #else const int left = 5, right = 90, nozzle = 60; #endif // Draw a representation of the nozzle if (PAGE_CONTAINS(3, 16)) u8g.drawBitmapP(nozzle + 6, 4 - dir, 2, 12, nozzle_bmp); if (PAGE_CONTAINS(20, 20)) u8g.drawBitmapP(nozzle + 0, 20, 3, 1, offset_bedline_bmp); // Draw cw/ccw indicator and up/down arrows. if (PAGE_CONTAINS(47, 62)) { u8g.drawBitmapP(left + 0, 47, 3, 16, rot_down); u8g.drawBitmapP(right + 0, 47, 3, 16, rot_up); u8g.drawBitmapP(right + 20, 48 - dir, 2, 13, up_arrow_bmp); u8g.drawBitmapP(left + 20, 49 - dir, 2, 13, down_arrow_bmp); } } #endif // BABYSTEP_ZPROBE_GFX_OVERLAY || MESH_EDIT_GFX_OVERLAY #endif // ULTIPANEL #endif // HAS_GRAPHICAL_LCD