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Lightweight status screen for ST7920

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- This status screen uses the ST7920 character generator to greatly
  reduce SPI traffic and MCU load when updating the status screen.

- Has been tested with the RepRapDiscount Full Graphics Smart Controller
  but should work with any LCD that uses an ST7920 or fully compatible
  controller.
This commit is contained in:
Marcio Teixeira 2018-02-14 14:43:54 -07:00 committed by Scott Lahteine
parent 59c98d6fd5
commit 532bb3aaa1
10 changed files with 1522 additions and 431 deletions
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2
.travis.yml
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@ -236,7 +236,7 @@ script:
# #
- restore_configs - restore_configs
- opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT - opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT
- opt_enable_adv SDCARD_SORT_ALPHA STATUS_MESSAGE_SCROLLING SCROLL_LONG_FILENAMES - opt_enable_adv SDCARD_SORT_ALPHA STATUS_MESSAGE_SCROLLING SCROLL_LONG_FILENAMES LIGHTWEIGHT_UI
- build_marlin_pio ${TRAVIS_BUILD_DIR} ${TEST_PLATFORM} - build_marlin_pio ${TRAVIS_BUILD_DIR} ${TEST_PLATFORM}
# #
# REPRAPWORLD_KEYPAD # REPRAPWORLD_KEYPAD

16
Marlin/Configuration_adv.h
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@ -656,6 +656,22 @@
// Swap the CW/CCW indicators in the graphics overlay // Swap the CW/CCW indicators in the graphics overlay
//#define OVERLAY_GFX_REVERSE //#define OVERLAY_GFX_REVERSE
#if ENABLED(U8GLIB_ST7920)
/**
* ST7920-based LCDs can emulate a 16 x 4 character display using
* the ST7920 character-generator for very fast screen updates.
* Enable LIGHTWEIGHT_UI to use this special display mode.
*
* Since LIGHTWEIGHT_UI has limited space, the position and status
* message occupy the same line. Set STATUS_EXPIRE_SECONDS to the
* length of time to display the status message before clearing.
*/
//#define LIGHTWEIGHT_UI
#if ENABLED(LIGHTWEIGHT_UI)
#define STATUS_EXPIRE_SECONDS 20
#endif
#endif
#endif // DOGLCD #endif // DOGLCD
// @section safety // @section safety

16
Marlin/src/config/default/Configuration_adv.h
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@ -656,6 +656,22 @@
// Swap the CW/CCW indicators in the graphics overlay // Swap the CW/CCW indicators in the graphics overlay
//#define OVERLAY_GFX_REVERSE //#define OVERLAY_GFX_REVERSE
#if ENABLED(U8GLIB_ST7920)
/**
* ST7920-based LCDs can emulate a 16 x 4 character display using
* the ST7920 character-generator for very fast screen updates.
* Enable LIGHTWEIGHT_UI to use this special display mode.
*
* Since LIGHTWEIGHT_UI has limited space, the position and status
* message occupy the same line. Set STATUS_EXPIRE_SECONDS to the
* length of time to display the status message before clearing.
*/
//#define LIGHTWEIGHT_UI
#if ENABLED(LIGHTWEIGHT_UI)
#define STATUS_EXPIRE_SECONDS 20
#endif
#endif
#endif // DOGLCD #endif // DOGLCD
// @section safety // @section safety

442
Marlin/src/lcd/dogm/status_screen_DOGM.h Normal file
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@ -0,0 +1,442 @@
/**
* 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 <http://www.gnu.org/licenses/>.
*
*/
/**
* status_screen_DOGM.h
*
* Standard Status Screen for Graphical Display
*/
#ifndef _STATUS_SCREEN_DOGM_H_
#define _STATUS_SCREEN_DOGM_H_
FORCE_INLINE void _draw_centered_temp(const int16_t temp, const uint8_t x, const uint8_t y) {
const char * const str = itostr3(temp);
u8g.setPrintPos(x - (str[0] != ' ' ? 0 : str[1] != ' ' ? 1 : 2) * DOG_CHAR_WIDTH / 2, y);
lcd_print(str);
lcd_printPGM(PSTR(LCD_STR_DEGREE " "));
}
#ifndef HEAT_INDICATOR_X
#define HEAT_INDICATOR_X 8
#endif
FORCE_INLINE void _draw_heater_status(const uint8_t x, const int8_t heater, const bool blink) {
#if !HEATER_IDLE_HANDLER
UNUSED(blink);
#endif
#if HAS_TEMP_BED
const bool isBed = heater < 0;
#else
constexpr bool isBed = false;
#endif
if (PAGE_UNDER(7)) {
#if HEATER_IDLE_HANDLER
const bool is_idle = (!isBed ? thermalManager.is_heater_idle(heater) :
#if HAS_TEMP_BED
thermalManager.is_bed_idle()
#else
false
#endif
);
if (blink || !is_idle)
#endif
_draw_centered_temp((isBed ? thermalManager.degTargetBed() : thermalManager.degTargetHotend(heater)) + 0.5, x, 7); }
if (PAGE_CONTAINS(21, 28))
_draw_centered_temp((isBed ? thermalManager.degBed() : thermalManager.degHotend(heater)) + 0.5, x, 28);
if (PAGE_CONTAINS(17, 20)) {
const uint8_t h = isBed ? 7 : HEAT_INDICATOR_X,
y = isBed ? 18 : 17;
if (isBed ? thermalManager.isHeatingBed() : thermalManager.isHeatingHotend(heater)) {
u8g.setColorIndex(0); // white on black
u8g.drawBox(x + h, y, 2, 2);
u8g.setColorIndex(1); // black on white
}
else {
u8g.drawBox(x + h, y, 2, 2);
}
}
}
FORCE_INLINE void _draw_axis_label(const AxisEnum axis, const char* const pstr, const bool blink) {
if (blink)
lcd_printPGM(pstr);
else {
if (!axis_homed[axis])
u8g.print('?');
else {
#if DISABLED(HOME_AFTER_DEACTIVATE) && DISABLED(DISABLE_REDUCED_ACCURACY_WARNING)
if (!axis_known_position[axis])
u8g.print(' ');
else
#endif
lcd_printPGM(pstr);
}
}
}
inline void lcd_implementation_status_message(const bool blink) {
#if ENABLED(STATUS_MESSAGE_SCROLLING)
static bool last_blink = false;
const uint8_t slen = lcd_strlen(lcd_status_message);
const char *stat = lcd_status_message + status_scroll_pos;
if (slen <= LCD_WIDTH)
lcd_print_utf(stat); // The string isn't scrolling
else {
if (status_scroll_pos <= slen - LCD_WIDTH)
lcd_print_utf(stat); // The string fills the screen
else {
uint8_t chars = LCD_WIDTH;
if (status_scroll_pos < slen) { // First string still visible
lcd_print_utf(stat); // The string leaves space
chars -= slen - status_scroll_pos; // Amount of space left
}
u8g.print('.'); // Always at 1+ spaces left, draw a dot
if (--chars) {
if (status_scroll_pos < slen + 1) // Draw a second dot if there's space
--chars, u8g.print('.');
if (chars) lcd_print_utf(lcd_status_message, chars); // Print a second copy of the message
}
}
if (last_blink != blink) {
last_blink = blink;
// Skip any non-printing bytes
if (status_scroll_pos < slen) while (!PRINTABLE(lcd_status_message[status_scroll_pos])) status_scroll_pos++;
if (++status_scroll_pos >= slen + 2) status_scroll_pos = 0;
}
}
#else
UNUSED(blink);
lcd_print_utf(lcd_status_message);
#endif
}
static void lcd_implementation_status_screen() {
const bool blink = lcd_blink();
#if FAN_ANIM_FRAMES > 2
static bool old_blink;
static uint8_t fan_frame;
if (old_blink != blink) {
old_blink = blink;
if (!fanSpeeds[0] || ++fan_frame >= FAN_ANIM_FRAMES) fan_frame = 0;
}
#endif
// Status Menu Font
lcd_setFont(FONT_STATUSMENU);
//
// Fan Animation
//
// Draws the whole heading image as a B/W bitmap rather than
// drawing the elements separately.
// This was done as an optimization, as it was slower to draw
// multiple parts compared to a single bitmap.
//
// The bitmap:
// - May be offset in X
// - Includes all nozzle(s), bed(s), and the fan.
//
// TODO:
//
// - Only draw the whole header on the first
// entry to the status screen. Nozzle, bed, and
// fan outline bits don't change.
//
if (PAGE_UNDER(STATUS_SCREENHEIGHT + 1)) {
u8g.drawBitmapP(
STATUS_SCREEN_X, STATUS_SCREEN_Y,
(STATUS_SCREENWIDTH + 7) / 8, STATUS_SCREENHEIGHT,
#if HAS_FAN0
#if FAN_ANIM_FRAMES > 2
fan_frame == 1 ? status_screen1_bmp :
fan_frame == 2 ? status_screen2_bmp :
#if FAN_ANIM_FRAMES > 3
fan_frame == 3 ? status_screen3_bmp :
#endif
#else
blink && fanSpeeds[0] ? status_screen1_bmp :
#endif
#endif
status_screen0_bmp
);
}
//
// Temperature Graphics and Info
//
if (PAGE_UNDER(28)) {
// Extruders
HOTEND_LOOP() _draw_heater_status(STATUS_SCREEN_HOTEND_TEXT_X(e), e, blink);
// Heated bed
#if HOTENDS < 4 && HAS_TEMP_BED
_draw_heater_status(STATUS_SCREEN_BED_TEXT_X, -1, blink);
#endif
#if HAS_FAN0
if (PAGE_CONTAINS(20, 27)) {
// Fan
const int16_t per = ((fanSpeeds[0] + 1) * 100) / 256;
if (per) {
u8g.setPrintPos(STATUS_SCREEN_FAN_TEXT_X, STATUS_SCREEN_FAN_TEXT_Y);
lcd_print(itostr3(per));
u8g.print('%');
}
}
#endif
}
#if ENABLED(SDSUPPORT)
//
// SD Card Symbol
//
if (card.isFileOpen() && PAGE_CONTAINS(42 - (TALL_FONT_CORRECTION), 51 - (TALL_FONT_CORRECTION))) {
// Upper box
u8g.drawBox(42, 42 - (TALL_FONT_CORRECTION), 8, 7); // 42-48 (or 41-47)
// Right edge
u8g.drawBox(50, 44 - (TALL_FONT_CORRECTION), 2, 5); // 44-48 (or 43-47)
// Bottom hollow box
u8g.drawFrame(42, 49 - (TALL_FONT_CORRECTION), 10, 4); // 49-52 (or 48-51)
// Corner pixel
u8g.drawPixel(50, 43 - (TALL_FONT_CORRECTION)); // 43 (or 42)
}
#endif // SDSUPPORT
#if ENABLED(SDSUPPORT) || ENABLED(LCD_SET_PROGRESS_MANUALLY)
//
// Progress bar frame
//
#define PROGRESS_BAR_X 54
#define PROGRESS_BAR_WIDTH (LCD_PIXEL_WIDTH - PROGRESS_BAR_X)
if (PAGE_CONTAINS(49, 52 - (TALL_FONT_CORRECTION))) // 49-52 (or 49-51)
u8g.drawFrame(
PROGRESS_BAR_X, 49,
PROGRESS_BAR_WIDTH, 4 - (TALL_FONT_CORRECTION)
);
#if DISABLED(LCD_SET_PROGRESS_MANUALLY)
const uint8_t progress_bar_percent = card.percentDone();
#endif
if (progress_bar_percent > 1) {
//
// Progress bar solid part
//
if (PAGE_CONTAINS(50, 51 - (TALL_FONT_CORRECTION))) // 50-51 (or just 50)
u8g.drawBox(
PROGRESS_BAR_X + 1, 50,
(uint16_t)((PROGRESS_BAR_WIDTH - 2) * progress_bar_percent * 0.01), 2 - (TALL_FONT_CORRECTION)
);
//
// SD Percent Complete
//
#if ENABLED(DOGM_SD_PERCENT)
if (PAGE_CONTAINS(41, 48)) {
// Percent complete
u8g.setPrintPos(55, 48);
u8g.print(itostr3(progress_bar_percent));
u8g.print('%');
}
#endif
}
//
// Elapsed Time
//
#if DISABLED(DOGM_SD_PERCENT)
#define SD_DURATION_X (PROGRESS_BAR_X + (PROGRESS_BAR_WIDTH / 2) - len * (DOG_CHAR_WIDTH / 2))
#else
#define SD_DURATION_X (LCD_PIXEL_WIDTH - len * DOG_CHAR_WIDTH)
#endif
if (PAGE_CONTAINS(41, 48)) {
char buffer[10];
duration_t elapsed = print_job_timer.duration();
bool has_days = (elapsed.value >= 60*60*24L);
uint8_t len = elapsed.toDigital(buffer, has_days);
u8g.setPrintPos(SD_DURATION_X, 48);
lcd_print(buffer);
}
#endif // SDSUPPORT || LCD_SET_PROGRESS_MANUALLY
//
// XYZ Coordinates
//
#if ENABLED(USE_SMALL_INFOFONT)
#define INFO_FONT_HEIGHT 7
#else
#define INFO_FONT_HEIGHT 8
#endif
#define XYZ_BASELINE (30 + INFO_FONT_HEIGHT)
#define X_LABEL_POS 3
#define X_VALUE_POS 11
#define XYZ_SPACING 40
#if ENABLED(XYZ_HOLLOW_FRAME)
#define XYZ_FRAME_TOP 29
#define XYZ_FRAME_HEIGHT INFO_FONT_HEIGHT + 3
#else
#define XYZ_FRAME_TOP 30
#define XYZ_FRAME_HEIGHT INFO_FONT_HEIGHT + 1
#endif
// Before homing the axis letters are blinking 'X' <-> '?'.
// When axis is homed but axis_known_position is false the axis letters are blinking 'X' <-> ' '.
// When everything is ok you see a constant 'X'.
static char xstring[5], ystring[5], zstring[7];
#if ENABLED(FILAMENT_LCD_DISPLAY)
static char wstring[5], mstring[4];
#endif
// At the first page, regenerate the XYZ strings
if (page.page == 0) {
strcpy(xstring, ftostr4sign(LOGICAL_X_POSITION(current_position[X_AXIS])));
strcpy(ystring, ftostr4sign(LOGICAL_Y_POSITION(current_position[Y_AXIS])));
strcpy(zstring, ftostr52sp(FIXFLOAT(LOGICAL_Z_POSITION(current_position[Z_AXIS]))));
#if ENABLED(FILAMENT_LCD_DISPLAY)
strcpy(wstring, ftostr12ns(filament_width_meas));
strcpy(mstring, itostr3(100.0 * (
parser.volumetric_enabled
? planner.volumetric_area_nominal / planner.volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM]
: planner.volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM]
)
));
#endif
}
if (PAGE_CONTAINS(XYZ_FRAME_TOP, XYZ_FRAME_TOP + XYZ_FRAME_HEIGHT - 1)) {
#if ENABLED(XYZ_HOLLOW_FRAME)
u8g.drawFrame(0, XYZ_FRAME_TOP, LCD_PIXEL_WIDTH, XYZ_FRAME_HEIGHT); // 8: 29-40 7: 29-39
#else
u8g.drawBox(0, XYZ_FRAME_TOP, LCD_PIXEL_WIDTH, XYZ_FRAME_HEIGHT); // 8: 30-39 7: 30-37
#endif
if (PAGE_CONTAINS(XYZ_BASELINE - (INFO_FONT_HEIGHT - 1), XYZ_BASELINE)) {
#if DISABLED(XYZ_HOLLOW_FRAME)
u8g.setColorIndex(0); // white on black
#endif
u8g.setPrintPos(0 * XYZ_SPACING + X_LABEL_POS, XYZ_BASELINE);
_draw_axis_label(X_AXIS, PSTR(MSG_X), blink);
u8g.setPrintPos(0 * XYZ_SPACING + X_VALUE_POS, XYZ_BASELINE);
lcd_print(xstring);
u8g.setPrintPos(1 * XYZ_SPACING + X_LABEL_POS, XYZ_BASELINE);
_draw_axis_label(Y_AXIS, PSTR(MSG_Y), blink);
u8g.setPrintPos(1 * XYZ_SPACING + X_VALUE_POS, XYZ_BASELINE);
lcd_print(ystring);
u8g.setPrintPos(2 * XYZ_SPACING + X_LABEL_POS, XYZ_BASELINE);
_draw_axis_label(Z_AXIS, PSTR(MSG_Z), blink);
u8g.setPrintPos(2 * XYZ_SPACING + X_VALUE_POS, XYZ_BASELINE);
lcd_print(zstring);
#if DISABLED(XYZ_HOLLOW_FRAME)
u8g.setColorIndex(1); // black on white
#endif
}
}
//
// Feedrate
//
if (PAGE_CONTAINS(51 - INFO_FONT_HEIGHT, 49)) {
lcd_setFont(FONT_MENU);
u8g.setPrintPos(3, 50);
lcd_print(LCD_STR_FEEDRATE[0]);
lcd_setFont(FONT_STATUSMENU);
u8g.setPrintPos(12, 50);
lcd_print(itostr3(feedrate_percentage));
u8g.print('%');
//
// Filament sensor display if SD is disabled
//
#if ENABLED(FILAMENT_LCD_DISPLAY) && DISABLED(SDSUPPORT)
u8g.setPrintPos(56, 50);
lcd_print(wstring);
u8g.setPrintPos(102, 50);
lcd_print(mstring);
u8g.print('%');
lcd_setFont(FONT_MENU);
u8g.setPrintPos(47, 50);
lcd_print(LCD_STR_FILAM_DIA);
u8g.setPrintPos(93, 50);
lcd_print(LCD_STR_FILAM_MUL);
#endif
}
//
// Status line
//
#define STATUS_BASELINE (55 + INFO_FONT_HEIGHT)
if (PAGE_CONTAINS(STATUS_BASELINE - (INFO_FONT_HEIGHT - 1), STATUS_BASELINE)) {
u8g.setPrintPos(0, STATUS_BASELINE);
#if ENABLED(FILAMENT_LCD_DISPLAY) && ENABLED(SDSUPPORT)
if (PENDING(millis(), previous_lcd_status_ms + 5000UL)) { //Display both Status message line and Filament display on the last line
lcd_implementation_status_message(blink);
}
else {
lcd_printPGM(PSTR(LCD_STR_FILAM_DIA));
u8g.print(':');
lcd_print(wstring);
lcd_printPGM(PSTR(" " LCD_STR_FILAM_MUL));
u8g.print(':');
lcd_print(mstring);
u8g.print('%');
}
#else
lcd_implementation_status_message(blink);
#endif
}
}
#endif // _STATUS_SCREEN_DOGM_H_

853
Marlin/src/lcd/dogm/status_screen_lite_ST7920.h Normal file
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@ -0,0 +1,853 @@
/**
* Lightweight Status Screen for the RepRapDiscount Full
* Graphics Smart Controller (ST7920-based 128x64 LCD)
*
* (c) 2017 Aleph Objects, Inc.
*
* The code in this page is free software: you can
* redistribute it and/or modify it under the terms of the GNU
* General Public License (GNU GPL) as published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. The code is distributed WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
*
*/
/**
* Implementation of a Status Screen for the RepRapDiscount
* Full Graphics Smart Controller using native ST7920 commands
* instead of U8Glib.
*
* This alternative Status Screen makes use of the built-in character
* generation capabilities of the ST7920 to update the Status Screen
* with less SPI traffic and CPU use. In particular:
*
* - The fan and bed animations are handled using custom characters
* that are stored in CGRAM. This allows for the animation to be
* updated by writing a single character to the text-buffer (DDRAM).
*
* - All the information in the Status Screen is text that is written
* to DDRAM, so the work of generating the bitmaps is offloaded to
* the ST7920 rather than being render by U8Glib on the MCU.
*
* - The graphics buffer (GDRAM) is only used for static graphics
* elements (nozzle and feedrate bitmaps) and for the progress
* bar, so updates are sporadic.
*/
#include "status_screen_lite_ST7920_class.h"
#include "../../libs/duration_t.h"
#define BUFFER_WIDTH 256
#define BUFFER_HEIGHT 32
#define DDRAM_LINE_1 0x00
#define DDRAM_LINE_2 0x10
#define DDRAM_LINE_3 0x08
#define DDRAM_LINE_4 0x18
ST7920_Lite_Status_Screen::st7920_state_t ST7920_Lite_Status_Screen::current_bits;
void ST7920_Lite_Status_Screen::cmd(const uint8_t cmd) {
if (!current_bits.synced || !current_bits.cmd) {
current_bits.synced = true;
current_bits.cmd = true;
sync_cmd();
}
write_byte(cmd);
}
void ST7920_Lite_Status_Screen::begin_data() {
if (!current_bits.synced || current_bits.cmd) {
current_bits.synced = true;
current_bits.cmd = false;
sync_dat();
}
}
void ST7920_Lite_Status_Screen::write_str(const char *str) {
while (*str) write_byte(*str++);
}
void ST7920_Lite_Status_Screen::write_str(const char *str, uint8_t len) {
while (*str && len--) write_byte(*str++);
}
void ST7920_Lite_Status_Screen::write_str_P(const char * const str) {
const char *p_str = (const char *)str;
while (char c = pgm_read_byte_near(p_str++)) write_byte(c);
}
void ST7920_Lite_Status_Screen::write_str(progmem_str str) {
write_str_P((const char*)str);
}
void ST7920_Lite_Status_Screen::write_number(const int16_t value, const uint8_t digits/*=3*/) {
char str[7];
const char *fmt;
switch (digits) {
case 6: fmt = PSTR("%6d"); break;
case 5: fmt = PSTR("%5d"); break;
case 4: fmt = PSTR("%4d"); break;
case 3: fmt = PSTR("%3d"); break;
case 2: fmt = PSTR("%2d"); break;
case 1: fmt = PSTR("%1d"); break;
}
sprintf_P(str, fmt, value);
write_str(str);
}
void ST7920_Lite_Status_Screen::display_status(const bool display_on, const bool cursor_on, const bool blink_on) {
extended_function_set(false);
cmd(0b00001000 |
(display_on ? 0b0100 : 0) |
(cursor_on ? 0b0010 : 0) |
(blink_on ? 0b0001 : 0)
);
}
// Sets the extended and graphics bits simultaneously, regardless of
// the current state. This is a helper function for extended_function_set()
// and graphics()
void ST7920_Lite_Status_Screen::_extended_function_set(const bool extended, const bool graphics) {
cmd( 0b00100000 |
(extended ? 0b00000100 : 0) |
(graphics ? 0b00000010 : 0)
);
current_bits.extended = extended;
current_bits.graphics = graphics;
}
void ST7920_Lite_Status_Screen::extended_function_set(const bool extended) {
if (extended != current_bits.extended)
_extended_function_set(extended, current_bits.graphics);
}
void ST7920_Lite_Status_Screen::graphics(const bool graphics) {
if (graphics != current_bits.graphics)
_extended_function_set(current_bits.extended, graphics);
}
void ST7920_Lite_Status_Screen::entry_mode_select(const bool ac_increase, const bool shift) {
extended_function_set(false);
cmd(0b00000100 |
(ac_increase ? 0b00000010 : 0) |
(shift ? 0b00000001 : 0)
);
}
// Sets the sa bit regardless of the current state. This is a helper
// function for scroll_or_addr_select()
void ST7920_Lite_Status_Screen::_scroll_or_addr_select(const bool sa) {
extended_function_set(true);
cmd(0b00100010 |
(sa ? 0b000001 : 0)
);
current_bits.sa = sa;
}
void ST7920_Lite_Status_Screen::scroll_or_addr_select(const bool sa) {
if (sa != current_bits.sa)
_scroll_or_addr_select(sa);
}
void ST7920_Lite_Status_Screen::set_ddram_address(const uint8_t addr) {
extended_function_set(false);
cmd(0b10000000 | (addr & 0b00111111));
}
void ST7920_Lite_Status_Screen::set_cgram_address(const uint8_t addr) {
extended_function_set(false);
cmd(0b01000000 | (addr & 0b00111111));
}
void ST7920_Lite_Status_Screen::set_gdram_address(const uint8_t x, const uint8_t y) {
extended_function_set(true);
cmd(0b10000000 | (y & 0b01111111));
cmd(0b10000000 | (x & 0b00001111));
}
void ST7920_Lite_Status_Screen::clear() {
extended_function_set(false);
cmd(0x00000001);
delay(15); //delay for CGRAM clear
}
void ST7920_Lite_Status_Screen::home() {
extended_function_set(false);
cmd(0x00000010);
}
/* This fills the entire text buffer with spaces */
void ST7920_Lite_Status_Screen::clear_ddram() {
set_ddram_address(DDRAM_LINE_1);
begin_data();
for (uint8_t i = 64; i--;) write_byte(' ');
}
/* This fills the entire graphics buffer with zeros */
void ST7920_Lite_Status_Screen::clear_gdram() {
for (uint8_t y = 0; y < BUFFER_HEIGHT; y++) {
set_gdram_address(0, y);
begin_data();
for (uint8_t i = (BUFFER_WIDTH) / 16; i--;) write_word(0);
}
}
void ST7920_Lite_Status_Screen::load_cgram_icon(const uint16_t addr, const void *data) {
const uint16_t *p_word = (const uint16_t *)data;
set_cgram_address(addr);
begin_data();
for (uint8_t i = 16; i--;)
write_word(pgm_read_word_near(p_word++));
}
/**
* Draw an icon in GDRAM. Position specified in DDRAM
* coordinates. i.e., X from 1 to 8, Y from 1 to 4.
*/
void ST7920_Lite_Status_Screen::draw_gdram_icon(uint8_t x, uint8_t y, const void *data) {
const uint16_t *p_word = (const uint16_t *)data;
if (y > 2) { // Handle display folding
y -= 2;
x += 8;
}
--x;
--y;
for (int i = 0; i < 16; i++) {
set_gdram_address(x, i + y * 16);
begin_data();
write_word(pgm_read_word_near(p_word++));
}
}
/************************** ICON DEFINITIONS *************************************/
#define CGRAM_ICON_1_ADDR 0x00
#define CGRAM_ICON_2_ADDR 0x10
#define CGRAM_ICON_3_ADDR 0x20
#define CGRAM_ICON_4_ADDR 0x30
#define CGRAM_ICON_1_WORD 0x00
#define CGRAM_ICON_2_WORD 0x02
#define CGRAM_ICON_3_WORD 0x04
#define CGRAM_ICON_4_WORD 0x06
const uint16_t nozzle_icon[] PROGMEM = {
0b0000000000000000,
0b0000000000000000,
0b0000111111110000,
0b0001111111111000,
0b0001111111111000,
0b0001111111111000,
0b0000111111110000,
0b0000111111110000,
0b0001111111111000,
0b0001111111111000,
0b0001111111111000,
0b0000011111100000,
0b0000001111000000,
0b0000000110000000,
0b0000000000000000,
0b0000000000000000
};
const uint16_t bed_icon[] PROGMEM = {
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0111111111111110,
0b0111111111111110,
0b0110000000000110,
0b0000000000000000,
0b0000000000000000
};
const uint16_t heat1_icon[] PROGMEM = {
0b0000000000000000,
0b0010001000100000,
0b0001000100010000,
0b0000100010001000,
0b0000100010001000,
0b0001000100010000,
0b0010001000100000,
0b0010001000100000,
0b0001000100010000,
0b0000100010001000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000
};
const uint16_t heat2_icon[] PROGMEM = {
0b0000000000000000,
0b0000100010001000,
0b0000100010001000,
0b0001000100010000,
0b0010001000100000,
0b0010001000100000,
0b0001000100010000,
0b0000100010001000,
0b0000100010001000,
0b0001000100010000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000,
0b0000000000000000
};
const uint16_t fan1_icon[] PROGMEM = {
0b0000000000000000,
0b0111111111111110,
0b0111000000001110,
0b0110001111000110,
0b0100001111000010,
0b0100000110000010,
0b0101100000011010,
0b0101110110111010,
0b0101100000011010,
0b0100000110000010,
0b0100001111000010,
0b0110001111000110,
0b0111000000001110,
0b0111111111111110,
0b0000000000000000,
0b0000000000000000
};
const uint16_t fan2_icon[] PROGMEM = {
0b0000000000000000,
0b0111111111111110,
0b0111000000001110,
0b0110010000100110,
0b0100111001110010,
0b0101111001111010,
0b0100110000110010,
0b0100000110000010,
0b0100110000110010,
0b0101111001111010,
0b0100111001110010,
0b0110010000100110,
0b0111000000001110,
0b0111111111111110,
0b0000000000000000,
0b0000000000000000
};
const uint16_t feedrate_icon[] PROGMEM = {
0b0000000000000000,
0b0111111000000000,
0b0100000000000000,
0b0100000000000000,
0b0100000000000000,
0b0111111011111000,
0b0100000010000100,
0b0100000010000100,
0b0100000010000100,
0b0100000011111000,
0b0000000010001000,
0b0000000010000100,
0b0000000010000100,
0b0000000010000010,
0b0000000000000000,
0b0000000000000000
};
/************************** MAIN SCREEN *************************************/
void ST7920_Lite_Status_Screen::draw_static_elements() {
scroll_or_addr_select(0);
// Load the animated bed and fan icons
load_cgram_icon(CGRAM_ICON_1_ADDR, heat1_icon);
load_cgram_icon(CGRAM_ICON_2_ADDR, heat2_icon);
load_cgram_icon(CGRAM_ICON_3_ADDR, fan1_icon);
load_cgram_icon(CGRAM_ICON_4_ADDR, fan2_icon);
// Draw the static icons in GDRAM
draw_gdram_icon(1, 1, nozzle_icon);
#if EXTRUDERS == 2
draw_gdram_icon(1,2,nozzle_icon);
draw_gdram_icon(1,3,bed_icon);
#else
draw_gdram_icon(1,2,bed_icon);
#endif
draw_gdram_icon(6,2,feedrate_icon);
// Draw the initial fan icon
draw_fan_icon(false);
}
/**
* Although this is undocumented, the ST7920 allows the character
* data buffer (DDRAM) to be used in conjunction with the graphics
* bitmap buffer (CGRAM). The contents of the graphics buffer is
* XORed with the data from the character generator. This allows
* us to make the progess bar out of graphical data (the bar) and
* text data (the percentage).
*/
void ST7920_Lite_Status_Screen::draw_progress_bar(const uint8_t value) {
#if EXTRUDERS == 1
// If we have only one extruder, draw a long progress bar on the third line
const uint8_t top = 1, // Top in pixels
bottom = 13, // Bottom in pixels
left = 8, // Left edge, in 16-bit words
width = 5; // Width of progress bar, in 16-bit words
#else
const uint8_t top = 16 + 1, // Top in pixels
bottom = 16 + 13, // Bottom in pixels
left = 5, // Left edge, in 16-bit words
width = 3; // Width of progress bar, in 16-bit words
#endif
const uint8_t char_pcnt = 100 / width; // How many percent does each 16-bit word represent?
// Draw the progress bar as a bitmap in CGRAM
for (uint8_t y = top; y <= bottom; y++) {
set_gdram_address(left, y);
begin_data();
for (uint8_t x = 0; x < width; x++) {
uint16_t gfx_word = 0x0000;
if ((x + 1) * char_pcnt <= value)
gfx_word = 0xFFFF; // Draw completely filled bytes
else if ((x * char_pcnt) < value)
gfx_word = int(0x8000) >> (value % char_pcnt) * 16 / char_pcnt; // Draw partially filled bytes
// Draw the frame around the progress bar
if (y == top || y == bottom)
gfx_word = 0xFFFF; // Draw top/bottom border
else if (x == width - 1)
gfx_word |= 0x0001; // Draw right border
else if (x == 0)
gfx_word |= 0x8000; // Draw left border
write_word(gfx_word);
}
}
// Draw the percentage as text in DDRAM
set_ddram_address(
#if EXTRUDERS == 1
DDRAM_LINE_3 + 1
#else
DDRAM_LINE_2 + left
#endif
);
begin_data();
if (value > 9) {
write_number(value, 4);
write_str(F("% "));
}
else {
write_number(value, 3);
write_str(F("% "));
}
}
void ST7920_Lite_Status_Screen::draw_fan_icon(const bool whichIcon) {
set_ddram_address(DDRAM_LINE_1 + 5);
begin_data();
write_word(whichIcon ? CGRAM_ICON_3_WORD : CGRAM_ICON_4_WORD);
}
void ST7920_Lite_Status_Screen::draw_heat_icon(const bool whichIcon, const bool heating) {
set_ddram_address(
#if EXTRUDERS == 1
DDRAM_LINE_2
#else
DDRAM_LINE_3
#endif
);
begin_data();
if (heating)
write_word(whichIcon ? CGRAM_ICON_1_WORD : CGRAM_ICON_2_WORD);
else {
write_byte(' ');
write_byte(' ');
}
}
#define FAR(a,b) (((a > b) ? (a-b) : (b-a)) > 1)
void ST7920_Lite_Status_Screen::draw_extruder_1_temp(const int16_t temp, const int16_t target) {
set_ddram_address(DDRAM_LINE_1 + 1);
begin_data();
write_number(temp);
if (target && FAR(temp, target)) {
write_str(F("\x1A"));
write_number(target);
}
else
write_str(F(" "));
}
void ST7920_Lite_Status_Screen::draw_extruder_2_temp(const int16_t temp, const int16_t target) {
set_ddram_address(DDRAM_LINE_2 + 1);
begin_data();
write_number(temp);
if (target && FAR(temp, target)) {
write_str(F("\x1A"));
write_number(target);
}
else
write_str(F(" "));
}
void ST7920_Lite_Status_Screen::draw_bed_temp(const int16_t temp, const int16_t target) {
set_ddram_address(
#if EXTRUDERS == 1
DDRAM_LINE_2 + 1
#else
DDRAM_LINE_3 + 1
#endif
);
begin_data();
write_number(temp);
if (target && FAR(temp, target)) {
write_str(F("\x1A"));
write_number(target);
}
else
write_str(F(" "));
}
void ST7920_Lite_Status_Screen::draw_fan_speed(const uint8_t value) {
set_ddram_address(DDRAM_LINE_1 + 6);
begin_data();
write_number(value, 4);
}
void ST7920_Lite_Status_Screen::draw_print_time(const uint32_t elapsed) {
const uint8_t hrs = elapsed / 3600,
min = (elapsed / 60) % 60;
char str[7];
sprintf_P(str, hrs > 99 ? PSTR("%03d:%02d") : PSTR(" %02d:%02d"), hrs, min);
set_ddram_address(DDRAM_LINE_3 + 5);
begin_data();
write_str(str);
}
void ST7920_Lite_Status_Screen::draw_feedrate_percentage(const uint8_t percentage) {
// We only have enough room for the feedrate when
// we have one extruder
#if EXTRUDERS == 1
set_ddram_address(DDRAM_LINE_2 + 6);
begin_data();
write_number(percentage, 4);
#endif
}
void ST7920_Lite_Status_Screen::draw_status_message(const char *str) {
set_ddram_address(DDRAM_LINE_4);
begin_data();
#if ENABLED(STATUS_MESSAGE_SCROLLING)
const uint8_t lcd_len = 16;
const uint8_t padding = 2;
uint8_t str_len = strlen(str);
// Trim whitespace at the end of the str, as for some reason
// messages like "Card Inserted" are padded with many spaces
while (str_len > 0 && str[str_len - 1] == ' ') str_len--;
if (str_len <= lcd_len) {
// It all fits on the LCD without scrolling
write_str(str);
}
else {
// Print the message repeatedly until covering the LCD
uint8_t c = status_scroll_pos;
for (uint8_t n = 0; n < lcd_len; n++) {
write_byte(c < str_len ? str[c] : ' ');
c++;
c %= str_len + padding; // Wrap around
}
// Scroll the message
if (status_scroll_pos == str_len + padding)
status_scroll_pos = 0;
else
status_scroll_pos++;
}
#else
write_str(str, 16);
#endif
}
void ST7920_Lite_Status_Screen::draw_position(const float x, const float y, const float z, bool position_known) {
char str[7];
set_ddram_address(DDRAM_LINE_4);
begin_data();
// If position is unknown, flash the labels.
const unsigned char alt_label = position_known ? 0 : (lcd_blink() ? ' ' : 0);
dtostrf(x, -4, 0, str);
write_byte(alt_label ? alt_label : 'X');
write_str(str, 4);
dtostrf(y, -4, 0, str);
write_byte(alt_label ? alt_label : 'Y');
write_str(str, 4);
dtostrf(z, -5, 1, str);
write_byte(alt_label ? alt_label : 'Z');
write_str(str, 5);
}
bool ST7920_Lite_Status_Screen::indicators_changed() {
// We only add the target temperatures to the checksum
// because the actual temps fluctuate so by updating
// them only during blinks we gain a bit of stability.
const bool blink = lcd_blink();
const uint8_t feedrate_perc = feedrate_percentage;
const uint8_t fan_speed = ((fanSpeeds[0] + 1) * 100) / 256;
const float extruder_1_target = thermalManager.degTargetHotend(0);
#if EXTRUDERS == 2
const float extruder_2_target = thermalManager.degTargetHotend(1);
#endif
const float bed_target = thermalManager.degTargetBed();
static uint8_t last_checksum = 0;
const uint8_t checksum =
uint8_t(blink) ^
uint8_t(feedrate_perc) ^
uint8_t(fan_speed) ^
uint8_t(extruder_1_target) ^
#if EXTRUDERS == 2
uint8_t(extruder_2_target) ^
#endif
uint8_t(bed_target);
if (last_checksum == checksum) return false;
last_checksum = checksum;
return true;
}
void ST7920_Lite_Status_Screen::update_indicators(const bool forceUpdate) {
if (forceUpdate || indicators_changed()) {
const bool blink = lcd_blink();
const duration_t elapsed = print_job_timer.duration();
const uint32_t seconds_elapsed = elapsed.value;
const uint8_t feedrate_perc = feedrate_percentage;
const uint8_t fan_speed = ((fanSpeeds[0] + 1) * 100) / 256;
const float extruder_1_temp = thermalManager.degHotend(0);
const float extruder_1_target = thermalManager.degTargetHotend(0);
#if EXTRUDERS == 2
const float extruder_2_temp = thermalManager.degHotend(1);
const float extruder_2_target = thermalManager.degTargetHotend(1);
#endif
const float bed_temp = thermalManager.degBed();
const float bed_target = thermalManager.degTargetBed();
draw_extruder_1_temp(extruder_1_temp, extruder_1_target);
#if EXTRUDERS == 2
draw_extruder_2_temp(extruder_2_temp, extruder_2_target);
#endif
draw_bed_temp(bed_temp, bed_target);
draw_fan_speed(fan_speed);
draw_print_time(seconds_elapsed);
draw_feedrate_percentage(feedrate_perc);
// Update the fan and bed animations
if (fan_speed > 0) draw_fan_icon(blink);
if (bed_target > 0)
draw_heat_icon(blink, true);
else
draw_heat_icon(false, false);
}
}
bool ST7920_Lite_Status_Screen::position_changed() {
const float x_pos = current_position[X_AXIS],
y_pos = current_position[Y_AXIS],
z_pos = current_position[Z_AXIS];
const uint8_t checksum = uint8_t(x_pos) ^ uint8_t(y_pos) ^ uint8_t(z_pos);
static uint8_t last_checksum = 0;
if (last_checksum == checksum) return false;
last_checksum = checksum;
return true;
}
bool ST7920_Lite_Status_Screen::status_changed() {
uint8_t checksum = 0;
for (const char *p = lcd_status_message; *p; p++) checksum ^= *p;
static uint8_t last_checksum = 0;
if (last_checksum == checksum) return false;
last_checksum = checksum;
return true;
}
bool ST7920_Lite_Status_Screen::blink_changed() {
static uint8_t last_blink = 0;
const bool blink = lcd_blink();
if (last_blink == blink) return false;
last_blink = blink;
return true;
}
void ST7920_Lite_Status_Screen::update_status_or_position(bool forceUpdate) {
static uint8_t countdown = 0;
/**
* There is only enough room in the display for either the
* status message or the position, not both, so we choose
* one or another. Whenever the status message changes,
* we show it for a number of consecutive seconds, but
* then go back to showing the position as soon as the
* head moves, i.e:
*
* countdown > 1 -- Show status
* countdown = 1 -- Show status, until movement
* countdown = 0 -- Show position
*/
if (forceUpdate || status_changed()) {
#if ENABLED(STATUS_MESSAGE_SCROLLING)
status_scroll_pos = 0;
#endif
#ifndef STATUS_EXPIRE_SECONDS
#define STATUS_EXPIRE_SECONDS 20
#endif
countdown = lcd_strlen(lcd_status_message) ? STATUS_EXPIRE_SECONDS : 0;
draw_status_message(lcd_status_message);
blink_changed(); // Clear changed flag
}
else if (countdown > 1 && blink_changed()) {
countdown--;
#if ENABLED(STATUS_MESSAGE_SCROLLING)
draw_status_message(lcd_status_message);
#endif
}
else if (countdown > 0 && blink_changed()) {
if (position_changed()) {
countdown--;
forceUpdate = true;
}
#if ENABLED(STATUS_MESSAGE_SCROLLING)
draw_status_message(lcd_status_message);
#endif
}
if (countdown == 0 && (forceUpdate || position_changed() ||
#if DISABLED(DISABLE_REDUCED_ACCURACY_WARNING)
blink_changed()
#endif
)) {
draw_position(
current_position[X_AXIS],
current_position[Y_AXIS],
current_position[Z_AXIS],
#if ENABLED(DISABLE_REDUCED_ACCURACY_WARNING)
true
#else
axis_known_position[X_AXIS] &&
axis_known_position[Y_AXIS] &&
axis_known_position[Z_AXIS]
#endif
);
}
}
void ST7920_Lite_Status_Screen::update_progress(const bool forceUpdate) {
const uint8_t percent_done =
#if ENABLED(SDSUPPORT)
card.percentDone()
#else
0
#endif
;
// Since the progress bar involves writing
// quite a few bytes to GDRAM, only do this
// when an update is actually necessary.
static uint8_t last_progress = 0;
if (!forceUpdate && last_progress == percent_done) return;
last_progress = percent_done;
draw_progress_bar(percent_done);
}
void ST7920_Lite_Status_Screen::update(const bool forceUpdate) {
cs();
update_indicators(forceUpdate);
update_status_or_position(forceUpdate);
update_progress(forceUpdate);
ncs();
}
void ST7920_Lite_Status_Screen::reset_state_from_unknown() {
_extended_function_set(true, true); // Do it twice as only one bit
_extended_function_set(true, true); // get set at a time.
_scroll_or_addr_select(false);
}
void ST7920_Lite_Status_Screen::on_entry() {
cs();
reset_state_from_unknown();
clear();
clear_gdram();
draw_static_elements();
update(true);
ncs();
}
void ST7920_Lite_Status_Screen::on_exit() {
cs();
clear();
_extended_function_set(true, true); // Restore state to what u8g expects.
ncs();
}
// This is called prior to the KILL screen to
// clear the screen so we don't end up with a
// garbled display.
void ST7920_Lite_Status_Screen::clear_text_buffer() {
cs();
reset_state_from_unknown();
clear();
_extended_function_set(true, true); // Restore state to what u8g expects.
ncs();
}
static void lcd_implementation_status_screen() {
ST7920_Lite_Status_Screen::update(false);
}
/**
* In order to properly update the lite Status Screen,
* we must know when we have entered and left the
* Status Screen. Since the ultralcd code is not
* set up for doing this, we call this function before
* each update indicating whether the current screen
* is the Status Screen.
*
* This function keeps track of whether we have left or
* entered the Status Screen and calls the on_entry()
* and on_exit() methods for cleanup.
*/
static void lcd_in_status(const bool inStatus) {
static bool lastInStatus = false;
if (lastInStatus == inStatus) return;
if ((lastInStatus = inStatus))
ST7920_Lite_Status_Screen::on_entry();
else
ST7920_Lite_Status_Screen::on_exit();
}

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/**
* Lightweight Status Screen for the RepRapDiscount Full
* Graphics Smart Controller (ST7920-based 128x64 LCD)
*
* (c) 2017 Aleph Objects, Inc.
*
* The code in this page is free software: you can
* redistribute it and/or modify it under the terms of the GNU
* General Public License (GNU GPL) as published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. The code is distributed WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
*
*/
#ifndef STATUS_SCREEN_LITE_ST7920_CLASS_H
#define STATUS_SCREEN_LITE_ST7920_CLASS_H
#include "../../core/macros.h"
typedef const __FlashStringHelper *progmem_str;
class ST7920_Lite_Status_Screen {
private:
static struct st7920_state_t {
uint8_t synced : 1; // Whether a sync has been sent
uint8_t cmd : 1; // Whether the sync was cmd or data
uint8_t extended : 1;
uint8_t graphics : 1;
uint8_t sa : 1;
} current_bits;
static void cs();
static void ncs();
static void sync_cmd();
static void sync_dat();
static void write_byte(const uint8_t w);
FORCE_INLINE static void write_word(const uint16_t w) {
write_byte((w >> 8) & 0xFF);
write_byte((w >> 0) & 0xFF);
}
static void cmd(const uint8_t cmd);
static void begin_data();
static void write_str(const char *str);
static void write_str(const char *str, const uint8_t len);
static void write_str_P(const char * const str);
static void write_str(progmem_str str);
static void write_number(const int16_t value, const uint8_t digits=3);
static void _extended_function_set(const bool extended, const bool graphics);
static void _scroll_or_addr_select(const bool sa);
static void reset_state_from_unknown();
static void home();
static void display_status(const bool display_on, const bool cursor_on, const bool blink_on);
static void extended_function_set(const bool extended);
static void graphics(const bool graphics);
static void entry_mode_select(const bool ac_increase, const bool shift);
static void scroll_or_addr_select(const bool sa);
static void set_ddram_address(const uint8_t addr);
static void set_cgram_address(const uint8_t addr);
static void set_gdram_address(const uint8_t x, const uint8_t y);
static void clear();
static void clear_ddram();
static void clear_gdram();
static void load_cgram_icon(const uint16_t addr, const void *data);
static void draw_gdram_icon(uint8_t x, uint8_t y, const void *data);
static uint8_t string_checksum(const char *str);
protected:
static void draw_static_elements();
static void draw_progress_bar(const uint8_t value);
static void draw_fan_icon(const bool whichIcon);
static void draw_heat_icon(const bool whichIcon, const bool heating);
static void draw_extruder_1_temp(const int16_t temp, const int16_t target);
static void draw_extruder_2_temp(const int16_t temp, const int16_t target);
static void draw_bed_temp(const int16_t temp, const int16_t target);
static void draw_fan_speed(const uint8_t value);
static void draw_print_time(const uint32_t elapsed);
static void draw_feedrate_percentage(const uint8_t percentage);
static void draw_status_message(const char *str);
static void draw_position(const float x, const float y, const float z, bool position_known = true);
static bool indicators_changed();
static bool position_changed();
static bool blink_changed();
static bool status_changed();
static void update_indicators(const bool forceUpdate);
static void update_position(const bool forceUpdate, bool resetChecksum);
static void update_status_or_position(bool forceUpdate);
static void update_progress(const bool forceUpdate);
public:
static void update(const bool forceUpdate);
static void on_entry();
static void on_exit();
static void clear_text_buffer();
};
#endif // STATUS_SCREEN_LITE_ST7920_CLASS_H

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/**
* Lightweight Status Screen for the RepRapDiscount Full
* Graphics Smart Controller (ST7920-based 128x64 LCD)
*
* (c) 2017 Aleph Objects, Inc.
*
* The code in this page is free software: you can
* redistribute it and/or modify it under the terms of the GNU
* General Public License (GNU GPL) as published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. The code is distributed WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
*
*/
#include "status_screen_lite_ST7920_class.h"
void ST7920_Lite_Status_Screen::cs() {
ST7920_CS();
current_bits.synced = false;
}
void ST7920_Lite_Status_Screen::ncs() {
ST7920_NCS();
current_bits.synced = false;
}
void ST7920_Lite_Status_Screen::sync_cmd() {
ST7920_SET_CMD();
}
void ST7920_Lite_Status_Screen::sync_dat() {
ST7920_SET_DAT();
}
void ST7920_Lite_Status_Screen::write_byte(const uint8_t data) {
ST7920_WRITE_BYTE(data);
}

14
Marlin/src/lcd/dogm/ultralcd_st7920_u8glib_rrd_AVR.cpp
View file

@ -125,10 +125,12 @@ uint8_t u8g_dev_rrd_st7920_128x64_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, vo
ST7920_CS(); ST7920_CS();
u8g_Delay(120); //initial delay for boot up u8g_Delay(120); //initial delay for boot up
ST7920_SET_CMD(); ST7920_SET_CMD();
ST7920_WRITE_BYTE(0x20); //non-extended mode
ST7920_WRITE_BYTE(0x08); //display off, cursor+blink off ST7920_WRITE_BYTE(0x08); //display off, cursor+blink off
ST7920_WRITE_BYTE(0x01); //clear CGRAM ram ST7920_WRITE_BYTE(0x01); //clear DDRAM ram
u8g_Delay(15); //delay for CGRAM clear u8g_Delay(15); //delay for DDRAM clear
ST7920_WRITE_BYTE(0x3E); //extended mode + GDRAM active ST7920_WRITE_BYTE(0x24); //extended mode
ST7920_WRITE_BYTE(0x26); //extended mode + GDRAM active
for (y = 0; y < (LCD_PIXEL_HEIGHT) / 2; y++) { //clear GDRAM for (y = 0; y < (LCD_PIXEL_HEIGHT) / 2; y++) { //clear GDRAM
ST7920_WRITE_BYTE(0x80 | y); //set y ST7920_WRITE_BYTE(0x80 | y); //set y
ST7920_WRITE_BYTE(0x80); //set x = 0 ST7920_WRITE_BYTE(0x80); //set x = 0
@ -182,6 +184,12 @@ uint8_t u8g_dev_st7920_128x64_rrd_buf[(LCD_PIXEL_WIDTH) * (PAGE_HEIGHT) / 8] U
u8g_pb_t u8g_dev_st7920_128x64_rrd_pb = {{PAGE_HEIGHT, LCD_PIXEL_HEIGHT, 0, 0, 0}, LCD_PIXEL_WIDTH, u8g_dev_st7920_128x64_rrd_buf}; u8g_pb_t u8g_dev_st7920_128x64_rrd_pb = {{PAGE_HEIGHT, LCD_PIXEL_HEIGHT, 0, 0, 0}, LCD_PIXEL_WIDTH, u8g_dev_st7920_128x64_rrd_buf};
u8g_dev_t u8g_dev_st7920_128x64_rrd_sw_spi = {u8g_dev_rrd_st7920_128x64_fn, &u8g_dev_st7920_128x64_rrd_pb, &u8g_com_null_fn}; u8g_dev_t u8g_dev_st7920_128x64_rrd_sw_spi = {u8g_dev_rrd_st7920_128x64_fn, &u8g_dev_st7920_128x64_rrd_pb, &u8g_com_null_fn};
#if ENABLED(LIGHTWEIGHT_UI)
// We have to include the code for the lightweight UI here
// as it relies on macros that are only defined in this file.
#include "status_screen_lite_ST7920_spi.h"
#endif
#pragma GCC reset_options #pragma GCC reset_options
#endif // U8G_HAL_LINKS #endif // U8G_HAL_LINKS

40
Marlin/src/lcd/ultralcd.cpp
View file

@ -5141,20 +5141,34 @@ void lcd_update() {
#endif #endif
#if ENABLED(DOGLCD) #if ENABLED(DOGLCD)
if (!drawing_screen) { // If not already drawing pages #if ENABLED(LIGHTWEIGHT_UI)
u8g.firstPage(); // Start the first page #if ENABLED(ULTIPANEL)
drawing_screen = 1; // Flag as drawing pages const bool in_status = currentScreen == lcd_status_screen;
} #else
lcd_setFont(FONT_MENU); // Setup font for every page draw constexpr bool in_status = true;
u8g.setColorIndex(1); // And reset the color #endif
CURRENTSCREEN(); // Draw and process the current screen const bool do_u8g_loop = !in_status;
lcd_in_status(in_status);
if (in_status) lcd_status_screen();
#else
constexpr bool do_u8g_loop = true;
#endif
if (do_u8g_loop) {
if (!drawing_screen) { // If not already drawing pages
u8g.firstPage(); // Start the first page
drawing_screen = 1; // Flag as drawing pages
}
lcd_setFont(FONT_MENU); // Setup font for every page draw
u8g.setColorIndex(1); // And reset the color
CURRENTSCREEN(); // Draw and process the current screen
// The screen handler can clear drawing_screen for an action that changes the screen. // The screen handler can clear drawing_screen for an action that changes the screen.
// If still drawing and there's another page, update max-time and return now. // If still drawing and there's another page, update max-time and return now.
// The nextPage will already be set up on the next call. // The nextPage will already be set up on the next call.
if (drawing_screen && (drawing_screen = u8g.nextPage())) { if (drawing_screen && (drawing_screen = u8g.nextPage())) {
NOLESS(max_display_update_time, millis() - ms); NOLESS(max_display_update_time, millis() - ms);
return; return;
}
} }
#else #else
CURRENTSCREEN(); CURRENTSCREEN();

423
Marlin/src/lcd/ultralcd_impl_DOGM.h
View file

@ -353,6 +353,12 @@ void lcd_printPGM_utf(const char *str, uint8_t n=LCD_WIDTH) {
#endif // SHOW_BOOTSCREEN #endif // SHOW_BOOTSCREEN
#if ENABLED(LIGHTWEIGHT_UI)
#include "dogm/status_screen_lite_ST7920.h"
#else
#include "dogm/status_screen_DOGM.h"
#endif
// Initialize or re-initialize the LCD // Initialize or re-initialize the LCD
static void lcd_implementation_init() { static void lcd_implementation_init() {
@ -383,6 +389,9 @@ static void lcd_implementation_init() {
// The kill screen is displayed for unrecoverable conditions // The kill screen is displayed for unrecoverable conditions
void lcd_kill_screen() { void lcd_kill_screen() {
#if ENABLED(LIGHTWEIGHT_UI)
ST7920_Lite_Status_Screen::clear_text_buffer();
#endif
const uint8_t h4 = u8g.getHeight() / 4; const uint8_t h4 = u8g.getHeight() / 4;
u8g.firstPage(); u8g.firstPage();
do { do {
@ -398,420 +407,6 @@ void lcd_kill_screen() {
void lcd_implementation_clear() { } // Automatically cleared by Picture Loop void lcd_implementation_clear() { } // Automatically cleared by Picture Loop
//
// Status Screen
//
FORCE_INLINE void _draw_centered_temp(const int16_t temp, const uint8_t x, const uint8_t y) {
const char * const str = itostr3(temp);
u8g.setPrintPos(x - (str[0] != ' ' ? 0 : str[1] != ' ' ? 1 : 2) * DOG_CHAR_WIDTH / 2, y);
lcd_print(str);
lcd_printPGM(PSTR(LCD_STR_DEGREE " "));
}
#ifndef HEAT_INDICATOR_X
#define HEAT_INDICATOR_X 8
#endif
FORCE_INLINE void _draw_heater_status(const uint8_t x, const int8_t heater, const bool blink) {
#if !HEATER_IDLE_HANDLER
UNUSED(blink);
#endif
#if HAS_TEMP_BED
const bool isBed = heater < 0;
#else
constexpr bool isBed = false;
#endif
if (PAGE_UNDER(7)) {
#if HEATER_IDLE_HANDLER
const bool is_idle = (!isBed ? thermalManager.is_heater_idle(heater) :
#if HAS_TEMP_BED
thermalManager.is_bed_idle()
#else
false
#endif
);
if (blink || !is_idle)
#endif
_draw_centered_temp((isBed ? thermalManager.degTargetBed() : thermalManager.degTargetHotend(heater)) + 0.5, x, 7); }
if (PAGE_CONTAINS(21, 28))
_draw_centered_temp((isBed ? thermalManager.degBed() : thermalManager.degHotend(heater)) + 0.5, x, 28);
if (PAGE_CONTAINS(17, 20)) {
const uint8_t h = isBed ? 7 : HEAT_INDICATOR_X,
y = isBed ? 18 : 17;
if (isBed ? thermalManager.isHeatingBed() : thermalManager.isHeatingHotend(heater)) {
u8g.setColorIndex(0); // white on black
u8g.drawBox(x + h, y, 2, 2);
u8g.setColorIndex(1); // black on white
}
else {
u8g.drawBox(x + h, y, 2, 2);
}
}
}
FORCE_INLINE void _draw_axis_label(const AxisEnum axis, const char* const pstr, const bool blink) {
if (blink)
lcd_printPGM(pstr);
else {
if (!axis_homed[axis])
u8g.print('?');
else {
#if DISABLED(HOME_AFTER_DEACTIVATE) && DISABLED(DISABLE_REDUCED_ACCURACY_WARNING)
if (!axis_known_position[axis])
u8g.print(' ');
else
#endif
lcd_printPGM(pstr);
}
}
}
inline void lcd_implementation_status_message(const bool blink) {
#if ENABLED(STATUS_MESSAGE_SCROLLING)
static bool last_blink = false;
const uint8_t slen = lcd_strlen(lcd_status_message);
const char *stat = lcd_status_message + status_scroll_pos;
if (slen <= LCD_WIDTH)
lcd_print_utf(stat); // The string isn't scrolling
else {
if (status_scroll_pos <= slen - LCD_WIDTH)
lcd_print_utf(stat); // The string fills the screen
else {
uint8_t chars = LCD_WIDTH;
if (status_scroll_pos < slen) { // First string still visible
lcd_print_utf(stat); // The string leaves space
chars -= slen - status_scroll_pos; // Amount of space left
}
u8g.print('.'); // Always at 1+ spaces left, draw a dot
if (--chars) {
if (status_scroll_pos < slen + 1) // Draw a second dot if there's space
--chars, u8g.print('.');
if (chars) lcd_print_utf(lcd_status_message, chars); // Print a second copy of the message
}
}
if (last_blink != blink) {
last_blink = blink;
// Skip any non-printing bytes
if (status_scroll_pos < slen) while (!PRINTABLE(lcd_status_message[status_scroll_pos])) status_scroll_pos++;
if (++status_scroll_pos >= slen + 2) status_scroll_pos = 0;
}
}
#else
UNUSED(blink);
lcd_print_utf(lcd_status_message);
#endif
}
static void lcd_implementation_status_screen() {
const bool blink = lcd_blink();
#if FAN_ANIM_FRAMES > 2
static bool old_blink;
static uint8_t fan_frame;
if (old_blink != blink) {
old_blink = blink;
if (!fanSpeeds[0] || ++fan_frame >= FAN_ANIM_FRAMES) fan_frame = 0;
}
#endif
// Status Menu Font
lcd_setFont(FONT_STATUSMENU);
//
// Fan Animation
//
// Draws the whole heading image as a B/W bitmap rather than
// drawing the elements separately.
// This was done as an optimization, as it was slower to draw
// multiple parts compared to a single bitmap.
//
// The bitmap:
// - May be offset in X
// - Includes all nozzle(s), bed(s), and the fan.
//
// TODO:
//
// - Only draw the whole header on the first
// entry to the status screen. Nozzle, bed, and
// fan outline bits don't change.
//
if (PAGE_UNDER(STATUS_SCREENHEIGHT + 1)) {
u8g.drawBitmapP(
STATUS_SCREEN_X, STATUS_SCREEN_Y,
(STATUS_SCREENWIDTH + 7) / 8, STATUS_SCREENHEIGHT,
#if HAS_FAN0
#if FAN_ANIM_FRAMES > 2
fan_frame == 1 ? status_screen1_bmp :
fan_frame == 2 ? status_screen2_bmp :
#if FAN_ANIM_FRAMES > 3
fan_frame == 3 ? status_screen3_bmp :
#endif
#else
blink && fanSpeeds[0] ? status_screen1_bmp :
#endif
#endif
status_screen0_bmp
);
}
//
// Temperature Graphics and Info
//
if (PAGE_UNDER(28)) {
// Extruders
HOTEND_LOOP() _draw_heater_status(STATUS_SCREEN_HOTEND_TEXT_X(e), e, blink);
// Heated bed
#if HOTENDS < 4 && HAS_TEMP_BED
_draw_heater_status(STATUS_SCREEN_BED_TEXT_X, -1, blink);
#endif
#if HAS_FAN0
if (PAGE_CONTAINS(20, 27)) {
// Fan
const int16_t per = ((fanSpeeds[0] + 1) * 100) / 256;
if (per) {
u8g.setPrintPos(STATUS_SCREEN_FAN_TEXT_X, STATUS_SCREEN_FAN_TEXT_Y);
lcd_print(itostr3(per));
u8g.print('%');
}
}
#endif
}
#if ENABLED(SDSUPPORT)
//
// SD Card Symbol
//
if (card.isFileOpen() && PAGE_CONTAINS(42 - (TALL_FONT_CORRECTION), 51 - (TALL_FONT_CORRECTION))) {
// Upper box
u8g.drawBox(42, 42 - (TALL_FONT_CORRECTION), 8, 7); // 42-48 (or 41-47)
// Right edge
u8g.drawBox(50, 44 - (TALL_FONT_CORRECTION), 2, 5); // 44-48 (or 43-47)
// Bottom hollow box
u8g.drawFrame(42, 49 - (TALL_FONT_CORRECTION), 10, 4); // 49-52 (or 48-51)
// Corner pixel
u8g.drawPixel(50, 43 - (TALL_FONT_CORRECTION)); // 43 (or 42)
}
#endif // SDSUPPORT
#if ENABLED(SDSUPPORT) || ENABLED(LCD_SET_PROGRESS_MANUALLY)
//
// Progress bar frame
//
#define PROGRESS_BAR_X 54
#define PROGRESS_BAR_WIDTH (LCD_PIXEL_WIDTH - PROGRESS_BAR_X)
if (PAGE_CONTAINS(49, 52 - (TALL_FONT_CORRECTION))) // 49-52 (or 49-51)
u8g.drawFrame(
PROGRESS_BAR_X, 49,
PROGRESS_BAR_WIDTH, 4 - (TALL_FONT_CORRECTION)
);
#if DISABLED(LCD_SET_PROGRESS_MANUALLY)
const uint8_t progress_bar_percent = card.percentDone();
#endif
if (progress_bar_percent > 1) {
//
// Progress bar solid part
//
if (PAGE_CONTAINS(50, 51 - (TALL_FONT_CORRECTION))) // 50-51 (or just 50)
u8g.drawBox(
PROGRESS_BAR_X + 1, 50,
(uint16_t)((PROGRESS_BAR_WIDTH - 2) * progress_bar_percent * 0.01), 2 - (TALL_FONT_CORRECTION)
);
//
// SD Percent Complete
//
#if ENABLED(DOGM_SD_PERCENT)
if (PAGE_CONTAINS(41, 48)) {
// Percent complete
u8g.setPrintPos(55, 48);
u8g.print(itostr3(progress_bar_percent));
u8g.print('%');
}
#endif
}
//
// Elapsed Time
//
#if DISABLED(DOGM_SD_PERCENT)
#define SD_DURATION_X (PROGRESS_BAR_X + (PROGRESS_BAR_WIDTH / 2) - len * (DOG_CHAR_WIDTH / 2))
#else
#define SD_DURATION_X (LCD_PIXEL_WIDTH - len * DOG_CHAR_WIDTH)
#endif
if (PAGE_CONTAINS(41, 48)) {
char buffer[10];
duration_t elapsed = print_job_timer.duration();
bool has_days = (elapsed.value >= 60*60*24L);
uint8_t len = elapsed.toDigital(buffer, has_days);
u8g.setPrintPos(SD_DURATION_X, 48);
lcd_print(buffer);
}
#endif // SDSUPPORT || LCD_SET_PROGRESS_MANUALLY
//
// XYZ Coordinates
//
#if ENABLED(USE_SMALL_INFOFONT)
#define INFO_FONT_HEIGHT 7
#else
#define INFO_FONT_HEIGHT 8
#endif
#define XYZ_BASELINE (30 + INFO_FONT_HEIGHT)
#define X_LABEL_POS 3
#define X_VALUE_POS 11
#define XYZ_SPACING 40
#if ENABLED(XYZ_HOLLOW_FRAME)
#define XYZ_FRAME_TOP 29
#define XYZ_FRAME_HEIGHT INFO_FONT_HEIGHT + 3
#else
#define XYZ_FRAME_TOP 30
#define XYZ_FRAME_HEIGHT INFO_FONT_HEIGHT + 1
#endif
// Before homing the axis letters are blinking 'X' <-> '?'.
// When axis is homed but axis_known_position is false the axis letters are blinking 'X' <-> ' '.
// When everything is ok you see a constant 'X'.
static char xstring[5], ystring[5], zstring[7];
#if ENABLED(FILAMENT_LCD_DISPLAY)
static char wstring[5], mstring[4];
#endif
// At the first page, regenerate the XYZ strings
if (page.page == 0) {
strcpy(xstring, ftostr4sign(LOGICAL_X_POSITION(current_position[X_AXIS])));
strcpy(ystring, ftostr4sign(LOGICAL_Y_POSITION(current_position[Y_AXIS])));
strcpy(zstring, ftostr52sp(FIXFLOAT(LOGICAL_Z_POSITION(current_position[Z_AXIS]))));
#if ENABLED(FILAMENT_LCD_DISPLAY)
strcpy(wstring, ftostr12ns(filament_width_meas));
strcpy(mstring, itostr3(100.0 * (
parser.volumetric_enabled
? planner.volumetric_area_nominal / planner.volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM]
: planner.volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM]
)
));
#endif
}
if (PAGE_CONTAINS(XYZ_FRAME_TOP, XYZ_FRAME_TOP + XYZ_FRAME_HEIGHT - 1)) {
#if ENABLED(XYZ_HOLLOW_FRAME)
u8g.drawFrame(0, XYZ_FRAME_TOP, LCD_PIXEL_WIDTH, XYZ_FRAME_HEIGHT); // 8: 29-40 7: 29-39
#else
u8g.drawBox(0, XYZ_FRAME_TOP, LCD_PIXEL_WIDTH, XYZ_FRAME_HEIGHT); // 8: 30-39 7: 30-37
#endif
if (PAGE_CONTAINS(XYZ_BASELINE - (INFO_FONT_HEIGHT - 1), XYZ_BASELINE)) {
#if DISABLED(XYZ_HOLLOW_FRAME)
u8g.setColorIndex(0); // white on black
#endif
u8g.setPrintPos(0 * XYZ_SPACING + X_LABEL_POS, XYZ_BASELINE);
_draw_axis_label(X_AXIS, PSTR(MSG_X), blink);
u8g.setPrintPos(0 * XYZ_SPACING + X_VALUE_POS, XYZ_BASELINE);
lcd_print(xstring);
u8g.setPrintPos(1 * XYZ_SPACING + X_LABEL_POS, XYZ_BASELINE);
_draw_axis_label(Y_AXIS, PSTR(MSG_Y), blink);
u8g.setPrintPos(1 * XYZ_SPACING + X_VALUE_POS, XYZ_BASELINE);
lcd_print(ystring);
u8g.setPrintPos(2 * XYZ_SPACING + X_LABEL_POS, XYZ_BASELINE);
_draw_axis_label(Z_AXIS, PSTR(MSG_Z), blink);
u8g.setPrintPos(2 * XYZ_SPACING + X_VALUE_POS, XYZ_BASELINE);
lcd_print(zstring);
#if DISABLED(XYZ_HOLLOW_FRAME)
u8g.setColorIndex(1); // black on white
#endif
}
}
//
// Feedrate
//
if (PAGE_CONTAINS(51 - INFO_FONT_HEIGHT, 49)) {
lcd_setFont(FONT_MENU);
u8g.setPrintPos(3, 50);
lcd_print(LCD_STR_FEEDRATE[0]);
lcd_setFont(FONT_STATUSMENU);
u8g.setPrintPos(12, 50);
lcd_print(itostr3(feedrate_percentage));
u8g.print('%');
//
// Filament sensor display if SD is disabled
//
#if ENABLED(FILAMENT_LCD_DISPLAY) && DISABLED(SDSUPPORT)
u8g.setPrintPos(56, 50);
lcd_print(wstring);
u8g.setPrintPos(102, 50);
lcd_print(mstring);
u8g.print('%');
lcd_setFont(FONT_MENU);
u8g.setPrintPos(47, 50);
lcd_print(LCD_STR_FILAM_DIA);
u8g.setPrintPos(93, 50);
lcd_print(LCD_STR_FILAM_MUL);
#endif
}
//
// Status line
//
#define STATUS_BASELINE (55 + INFO_FONT_HEIGHT)
if (PAGE_CONTAINS(STATUS_BASELINE - (INFO_FONT_HEIGHT - 1), STATUS_BASELINE)) {
u8g.setPrintPos(0, STATUS_BASELINE);
#if ENABLED(FILAMENT_LCD_DISPLAY) && ENABLED(SDSUPPORT)
if (PENDING(millis(), previous_lcd_status_ms + 5000UL)) { //Display both Status message line and Filament display on the last line
lcd_implementation_status_message(blink);
}
else {
lcd_printPGM(PSTR(LCD_STR_FILAM_DIA));
u8g.print(':');
lcd_print(wstring);
lcd_printPGM(PSTR(" " LCD_STR_FILAM_MUL));
u8g.print(':');
lcd_print(mstring);
u8g.print('%');
}
#else
lcd_implementation_status_message(blink);
#endif
}
}
#if ENABLED(ULTIPANEL) #if ENABLED(ULTIPANEL)
uint8_t row_y1, row_y2; uint8_t row_y1, row_y2;