Convert LIGHTWEIGHT_UI to CPP
This commit is contained in:
Scott Lahteine
@ -1,973 +0,0 @@
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/**
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* Lightweight Status Screen for the RepRapDiscount Full
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* Graphics Smart Controller (ST7920-based 128x64 LCD)
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*
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* (c) 2017 Aleph Objects, Inc.
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*
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* The code in this page is free software: you can
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* redistribute it and/or modify it under the terms of the GNU
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* General Public License (GNU GPL) as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option)
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* any later version. The code is distributed WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
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*
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*/
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/**
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* Implementation of a Status Screen for the RepRapDiscount
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* Full Graphics Smart Controller using native ST7920 commands
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* instead of U8Glib.
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*
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* This alternative Status Screen makes use of the built-in character
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* generation capabilities of the ST7920 to update the Status Screen
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* with less SPI traffic and CPU use. In particular:
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*
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* - The fan and bed animations are handled using custom characters
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* that are stored in CGRAM. This allows for the animation to be
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* updated by writing a single character to the text-buffer (DDRAM).
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*
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* - All the information in the Status Screen is text that is written
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* to DDRAM, so the work of generating the bitmaps is offloaded to
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* the ST7920 rather than being render by U8Glib on the MCU.
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*
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* - The graphics buffer (GDRAM) is only used for static graphics
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* elements (nozzle and feedrate bitmaps) and for the progress
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* bar, so updates are sporadic.
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*/
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#include "status_screen_lite_ST7920_class.h"
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#include "../../libs/duration_t.h"
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#define BUFFER_WIDTH 256
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#define BUFFER_HEIGHT 32
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#define DDRAM_LINE_1 0x00
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#define DDRAM_LINE_2 0x10
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#define DDRAM_LINE_3 0x08
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#define DDRAM_LINE_4 0x18
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ST7920_Lite_Status_Screen::st7920_state_t ST7920_Lite_Status_Screen::current_bits;
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void ST7920_Lite_Status_Screen::cmd(const uint8_t cmd) {
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if (!current_bits.synced || !current_bits.cmd) {
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current_bits.synced = true;
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current_bits.cmd = true;
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sync_cmd();
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}
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write_byte(cmd);
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}
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void ST7920_Lite_Status_Screen::begin_data() {
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if (!current_bits.synced || current_bits.cmd) {
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current_bits.synced = true;
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current_bits.cmd = false;
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sync_dat();
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}
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}
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void ST7920_Lite_Status_Screen::write_str(const char *str) {
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while (*str) write_byte(*str++);
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}
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void ST7920_Lite_Status_Screen::write_str(const char *str, uint8_t len) {
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while (*str && len--) write_byte(*str++);
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}
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void ST7920_Lite_Status_Screen::write_str_P(PGM_P const str) {
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PGM_P p_str = (PGM_P)str;
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while (char c = pgm_read_byte_near(p_str++)) write_byte(c);
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}
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void ST7920_Lite_Status_Screen::write_str(progmem_str str) {
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write_str_P((PGM_P)str);
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}
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void ST7920_Lite_Status_Screen::write_number(const int16_t value, const uint8_t digits/*=3*/) {
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char str[7];
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PGM_P fmt;
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switch (digits) {
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case 6: fmt = PSTR("%6d"); break;
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case 5: fmt = PSTR("%5d"); break;
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case 4: fmt = PSTR("%4d"); break;
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case 3: fmt = PSTR("%3d"); break;
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case 2: fmt = PSTR("%2d"); break;
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case 1: fmt = PSTR("%1d"); break;
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default: return;
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}
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sprintf_P(str, fmt, value);
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write_str(str);
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}
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void ST7920_Lite_Status_Screen::display_status(const bool display_on, const bool cursor_on, const bool blink_on) {
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extended_function_set(false);
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cmd(0b00001000 |
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(display_on ? 0b0100 : 0) |
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(cursor_on ? 0b0010 : 0) |
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(blink_on ? 0b0001 : 0)
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);
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}
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// Sets the extended and graphics bits simultaneously, regardless of
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// the current state. This is a helper function for extended_function_set()
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// and graphics()
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void ST7920_Lite_Status_Screen::_extended_function_set(const bool extended, const bool graphics) {
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cmd( 0b00100000 |
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(extended ? 0b00000100 : 0) |
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(graphics ? 0b00000010 : 0)
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);
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current_bits.extended = extended;
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current_bits.graphics = graphics;
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}
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void ST7920_Lite_Status_Screen::extended_function_set(const bool extended) {
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if (extended != current_bits.extended)
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_extended_function_set(extended, current_bits.graphics);
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}
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void ST7920_Lite_Status_Screen::graphics(const bool graphics) {
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if (graphics != current_bits.graphics)
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_extended_function_set(current_bits.extended, graphics);
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}
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void ST7920_Lite_Status_Screen::entry_mode_select(const bool ac_increase, const bool shift) {
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extended_function_set(false);
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cmd(0b00000100 |
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(ac_increase ? 0b00000010 : 0) |
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(shift ? 0b00000001 : 0)
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);
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}
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// Sets the sa bit regardless of the current state. This is a helper
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// function for scroll_or_addr_select()
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void ST7920_Lite_Status_Screen::_scroll_or_addr_select(const bool sa) {
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extended_function_set(true);
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cmd(0b00100010 |
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(sa ? 0b000001 : 0)
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);
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current_bits.sa = sa;
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}
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void ST7920_Lite_Status_Screen::scroll_or_addr_select(const bool sa) {
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if (sa != current_bits.sa)
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_scroll_or_addr_select(sa);
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}
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void ST7920_Lite_Status_Screen::set_ddram_address(const uint8_t addr) {
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extended_function_set(false);
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cmd(0b10000000 | (addr & 0b00111111));
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}
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void ST7920_Lite_Status_Screen::set_cgram_address(const uint8_t addr) {
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extended_function_set(false);
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cmd(0b01000000 | (addr & 0b00111111));
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}
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void ST7920_Lite_Status_Screen::set_gdram_address(const uint8_t x, const uint8_t y) {
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extended_function_set(true);
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cmd(0b10000000 | (y & 0b01111111));
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cmd(0b10000000 | (x & 0b00001111));
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}
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void ST7920_Lite_Status_Screen::clear() {
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extended_function_set(false);
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cmd(0x00000001);
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delay(15); //delay for CGRAM clear
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}
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void ST7920_Lite_Status_Screen::home() {
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extended_function_set(false);
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cmd(0x00000010);
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}
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/* This fills the entire text buffer with spaces */
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void ST7920_Lite_Status_Screen::clear_ddram() {
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set_ddram_address(DDRAM_LINE_1);
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begin_data();
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for (uint8_t i = 64; i--;) write_byte(' ');
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}
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/* This fills the entire graphics buffer with zeros */
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void ST7920_Lite_Status_Screen::clear_gdram() {
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for (uint8_t y = 0; y < BUFFER_HEIGHT; y++) {
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set_gdram_address(0, y);
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begin_data();
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for (uint8_t i = (BUFFER_WIDTH) / 16; i--;) write_word(0);
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}
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}
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void ST7920_Lite_Status_Screen::load_cgram_icon(const uint16_t addr, const void *data) {
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const uint16_t *p_word = (const uint16_t *)data;
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set_cgram_address(addr);
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begin_data();
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for (uint8_t i = 16; i--;)
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write_word(pgm_read_word_near(p_word++));
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}
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/**
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* Draw an icon in GDRAM. Position specified in DDRAM
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* coordinates. i.e., X from 1 to 8, Y from 1 to 4.
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*/
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void ST7920_Lite_Status_Screen::draw_gdram_icon(uint8_t x, uint8_t y, const void *data) {
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const uint16_t *p_word = (const uint16_t *)data;
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if (y > 2) { // Handle display folding
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y -= 2;
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x += 8;
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}
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--x;
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--y;
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for (int i = 0; i < 16; i++) {
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set_gdram_address(x, i + y * 16);
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begin_data();
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write_word(pgm_read_word_near(p_word++));
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}
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}
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/************************** ICON DEFINITIONS *************************************/
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#define CGRAM_ICON_1_ADDR 0x00
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#define CGRAM_ICON_2_ADDR 0x10
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#define CGRAM_ICON_3_ADDR 0x20
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#define CGRAM_ICON_4_ADDR 0x30
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#define CGRAM_ICON_1_WORD 0x00
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#define CGRAM_ICON_2_WORD 0x02
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#define CGRAM_ICON_3_WORD 0x04
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#define CGRAM_ICON_4_WORD 0x06
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const uint8_t degree_symbol_y_top = 1;
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PROGMEM const uint8_t degree_symbol[] = {
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0b00110000,
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0b01001000,
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0b01001000,
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0b00110000,
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};
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const uint16_t nozzle_icon[] PROGMEM = {
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0b0000000000000000,
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0b0000000000000000,
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0b0000111111110000,
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0b0001111111111000,
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0b0001111111111000,
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0b0001111111111000,
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0b0000111111110000,
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0b0000111111110000,
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0b0001111111111000,
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0b0001111111111000,
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0b0001111111111000,
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0b0000011111100000,
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0b0000001111000000,
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0b0000000110000000,
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0b0000000000000000,
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0b0000000000000000
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};
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const uint16_t bed_icon[] PROGMEM = {
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0111111111111110,
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0b0111111111111110,
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0b0110000000000110,
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0b0000000000000000,
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0b0000000000000000
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};
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const uint16_t heat1_icon[] PROGMEM = {
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0b0000000000000000,
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0b0010001000100000,
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0b0001000100010000,
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0b0000100010001000,
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0b0000100010001000,
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0b0001000100010000,
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0b0010001000100000,
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0b0010001000100000,
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0b0001000100010000,
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0b0000100010001000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000
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};
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const uint16_t heat2_icon[] PROGMEM = {
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0b0000000000000000,
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0b0000100010001000,
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0b0000100010001000,
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0b0001000100010000,
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0b0010001000100000,
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0b0010001000100000,
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0b0001000100010000,
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0b0000100010001000,
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0b0000100010001000,
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0b0001000100010000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000,
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0b0000000000000000
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};
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const uint16_t fan1_icon[] PROGMEM = {
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0b0000000000000000,
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0b0111111111111110,
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0b0111000000001110,
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0b0110001111000110,
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0b0100001111000010,
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0b0100000110000010,
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0b0101100000011010,
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0b0101110110111010,
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0b0101100000011010,
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0b0100000110000010,
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0b0100001111000010,
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0b0110001111000110,
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0b0111000000001110,
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0b0111111111111110,
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0b0000000000000000,
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0b0000000000000000
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};
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const uint16_t fan2_icon[] PROGMEM = {
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0b0000000000000000,
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0b0111111111111110,
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0b0111000000001110,
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0b0110010000100110,
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0b0100111001110010,
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0b0101111001111010,
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0b0100110000110010,
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0b0100000110000010,
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0b0100110000110010,
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0b0101111001111010,
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0b0100111001110010,
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0b0110010000100110,
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0b0111000000001110,
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0b0111111111111110,
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0b0000000000000000,
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0b0000000000000000
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};
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const uint16_t feedrate_icon[] PROGMEM = {
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0b0000000000000000,
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0b0111111000000000,
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0b0110000000000000,
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0b0110000000000000,
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0b0110000000000000,
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0b0111111011111000,
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0b0110000011001100,
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0b0110000011001100,
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0b0110000011001100,
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0b0110000011111000,
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0b0000000011001100,
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0b0000000011001100,
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0b0000000011001100,
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0b0000000011001100,
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0b0000000000000000,
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0b0000000000000000
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};
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/************************** MAIN SCREEN *************************************/
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// The ST7920 does not have a degree character, but we
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// can fake it by writing it to GDRAM.
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// This function takes as an argument character positions
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// i.e x is [1-16], while the y position is [1-4]
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void ST7920_Lite_Status_Screen::draw_degree_symbol(uint8_t x, uint8_t y, bool draw) {
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const uint8_t *p_bytes = degree_symbol;
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if (y > 2) {
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// Handle display folding
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y -= 2;
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x += 16;
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}
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x -= 1;
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y -= 1;
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const bool oddChar = x & 1;
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const uint8_t x_word = x >> 1;
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const uint8_t y_top = degree_symbol_y_top;
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const uint8_t y_bot = y_top + sizeof(degree_symbol)/sizeof(degree_symbol[0]);
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for(uint8_t i = y_top; i < y_bot; i++) {
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uint8_t byte = pgm_read_byte_near(p_bytes++);
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set_gdram_address(x_word,i+y*16);
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begin_data();
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if (draw) {
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write_byte(oddChar ? 0x00 : byte);
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write_byte(oddChar ? byte : 0x00);
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}
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else
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write_word(0x0000);
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}
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}
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void ST7920_Lite_Status_Screen::draw_static_elements() {
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scroll_or_addr_select(0);
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// Load the animated bed and fan icons
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load_cgram_icon(CGRAM_ICON_1_ADDR, heat1_icon);
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load_cgram_icon(CGRAM_ICON_2_ADDR, heat2_icon);
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load_cgram_icon(CGRAM_ICON_3_ADDR, fan1_icon);
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load_cgram_icon(CGRAM_ICON_4_ADDR, fan2_icon);
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// Draw the static icons in GDRAM
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draw_gdram_icon(1, 1, nozzle_icon);
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#if HOTENDS > 1
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draw_gdram_icon(1,2,nozzle_icon);
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draw_gdram_icon(1,3,bed_icon);
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#else
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draw_gdram_icon(1,2,bed_icon);
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#endif
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draw_gdram_icon(6,2,feedrate_icon);
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// Draw the initial fan icon
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draw_fan_icon(false);
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}
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/**
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* Although this is undocumented, the ST7920 allows the character
|
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* data buffer (DDRAM) to be used in conjunction with the graphics
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* bitmap buffer (CGRAM). The contents of the graphics buffer is
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* XORed with the data from the character generator. This allows
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* us to make the progess bar out of graphical data (the bar) and
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* text data (the percentage).
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*/
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void ST7920_Lite_Status_Screen::draw_progress_bar(const uint8_t value) {
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#if HOTENDS == 1
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// If we have only one extruder, draw a long progress bar on the third line
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const uint8_t top = 1, // Top in pixels
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bottom = 13, // Bottom in pixels
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left = 12, // Left edge, in 16-bit words
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width = 4; // Width of progress bar, in 16-bit words
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#else
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const uint8_t top = 16 + 1,
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bottom = 16 + 13,
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left = 5,
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width = 3;
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#endif
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const uint8_t char_pcnt = 100 / width; // How many percent does each 16-bit word represent?
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// Draw the progress bar as a bitmap in CGRAM
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for (uint8_t y = top; y <= bottom; y++) {
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set_gdram_address(left, y);
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begin_data();
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||||
for (uint8_t x = 0; x < width; x++) {
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uint16_t gfx_word = 0x0000;
|
||||
if ((x + 1) * char_pcnt <= value)
|
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gfx_word = 0xFFFF; // Draw completely filled bytes
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||||
else if ((x * char_pcnt) < value)
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||||
gfx_word = int(0x8000) >> (value % char_pcnt) * 16 / char_pcnt; // Draw partially filled bytes
|
||||
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||||
// Draw the frame around the progress bar
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||||
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
|
||||
#if HOTENDS == 1
|
||||
set_ddram_address(DDRAM_LINE_3 + 4);
|
||||
begin_data();
|
||||
write_byte(' ');
|
||||
#else
|
||||
set_ddram_address(DDRAM_LINE_2 + left);
|
||||
begin_data();
|
||||
#endif
|
||||
|
||||
// Draw centered
|
||||
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 HOTENDS == 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)) > 2)
|
||||
|
||||
static struct {
|
||||
bool E1_show_target : 1;
|
||||
bool E2_show_target : 1;
|
||||
#if HAS_HEATED_BED
|
||||
bool bed_show_target : 1;
|
||||
#endif
|
||||
} display_state = {
|
||||
true, true
|
||||
#if HAS_HEATED_BED
|
||||
, true
|
||||
#endif
|
||||
};
|
||||
|
||||
void ST7920_Lite_Status_Screen::draw_temps(uint8_t line, const int16_t temp, const int16_t target, bool showTarget, bool targetStateChange) {
|
||||
switch (line) {
|
||||
case 1: set_ddram_address(DDRAM_LINE_1 + 1); break;
|
||||
case 2: set_ddram_address(DDRAM_LINE_2 + 1); break;
|
||||
case 3: set_ddram_address(DDRAM_LINE_3 + 1); break;
|
||||
case 4: set_ddram_address(DDRAM_LINE_3 + 1); break;
|
||||
}
|
||||
begin_data();
|
||||
write_number(temp);
|
||||
|
||||
if (showTarget) {
|
||||
write_str(F("\x1A"));
|
||||
write_number(target);
|
||||
};
|
||||
|
||||
if (targetStateChange) {
|
||||
if (!showTarget) write_str(F(" "));
|
||||
draw_degree_symbol(6, line, !showTarget);
|
||||
draw_degree_symbol(10, line, showTarget);
|
||||
}
|
||||
}
|
||||
|
||||
void ST7920_Lite_Status_Screen::draw_extruder_1_temp(const int16_t temp, const int16_t target, bool forceUpdate) {
|
||||
const bool show_target = target && FAR(temp, target);
|
||||
draw_temps(1, temp, target, show_target, display_state.E1_show_target != show_target || forceUpdate);
|
||||
display_state.E1_show_target = show_target;
|
||||
}
|
||||
|
||||
void ST7920_Lite_Status_Screen::draw_extruder_2_temp(const int16_t temp, const int16_t target, bool forceUpdate) {
|
||||
const bool show_target = target && FAR(temp, target);
|
||||
draw_temps(2, temp, target, show_target, display_state.E2_show_target != show_target || forceUpdate);
|
||||
display_state.E2_show_target = show_target;
|
||||
}
|
||||
|
||||
#if HAS_HEATED_BED
|
||||
void ST7920_Lite_Status_Screen::draw_bed_temp(const int16_t temp, const int16_t target, bool forceUpdate) {
|
||||
const bool show_target = target && FAR(temp, target);
|
||||
draw_temps(2
|
||||
#if HOTENDS > 1
|
||||
+ 1
|
||||
#endif
|
||||
, temp, target, show_target, display_state.bed_show_target != show_target || forceUpdate
|
||||
);
|
||||
display_state.bed_show_target = show_target;
|
||||
}
|
||||
#endif
|
||||
|
||||
void ST7920_Lite_Status_Screen::draw_fan_speed(const uint8_t value) {
|
||||
set_ddram_address(DDRAM_LINE_1 + 6);
|
||||
begin_data();
|
||||
write_number(value, 3);
|
||||
write_byte('%');
|
||||
}
|
||||
|
||||
void ST7920_Lite_Status_Screen::draw_print_time(const duration_t &elapsed) {
|
||||
#if HOTENDS == 1
|
||||
set_ddram_address(DDRAM_LINE_3);
|
||||
#else
|
||||
set_ddram_address(DDRAM_LINE_3 + 5);
|
||||
#endif
|
||||
char str[7];
|
||||
str[elapsed.toDigital(str)] = ' ';
|
||||
begin_data();
|
||||
write_str(str, 6);
|
||||
}
|
||||
|
||||
void ST7920_Lite_Status_Screen::draw_feedrate_percentage(const uint16_t percentage) {
|
||||
// We only have enough room for the feedrate when
|
||||
// we have one extruder
|
||||
#if HOTENDS == 1
|
||||
set_ddram_address(DDRAM_LINE_2 + 6);
|
||||
begin_data();
|
||||
write_number(percentage, 3);
|
||||
write_byte('%');
|
||||
#endif
|
||||
}
|
||||
|
||||
void ST7920_Lite_Status_Screen::draw_status_message(const char *str) {
|
||||
set_ddram_address(DDRAM_LINE_4);
|
||||
begin_data();
|
||||
const uint8_t lcd_len = 16;
|
||||
#if ENABLED(STATUS_MESSAGE_SCROLLING)
|
||||
|
||||
uint8_t slen = utf8_strlen(str);
|
||||
|
||||
// If the string fits into the LCD, just print it and do not scroll it
|
||||
if (slen <= lcd_len) {
|
||||
|
||||
// The string isn't scrolling and may not fill the screen
|
||||
write_str(str);
|
||||
|
||||
// Fill the rest with spaces
|
||||
while (slen < lcd_len) {
|
||||
write_byte(' ');
|
||||
++slen;
|
||||
}
|
||||
}
|
||||
else {
|
||||
// String is larger than the available space in screen.
|
||||
|
||||
// Get a pointer to the next valid UTF8 character
|
||||
const char *stat = str + status_scroll_offset;
|
||||
|
||||
// Get the string remaining length
|
||||
const uint8_t rlen = utf8_strlen(stat);
|
||||
|
||||
// If we have enough characters to display
|
||||
if (rlen >= lcd_len) {
|
||||
// The remaining string fills the screen - Print it
|
||||
write_str(stat, lcd_len);
|
||||
}
|
||||
else {
|
||||
// The remaining string does not completely fill the screen
|
||||
write_str(stat); // The string leaves space
|
||||
uint8_t chars = lcd_len - rlen; // Amount of space left in characters
|
||||
|
||||
write_byte('.'); // Always at 1+ spaces left, draw a dot
|
||||
if (--chars) { // Draw a second dot if there's space
|
||||
write_byte('.');
|
||||
if (--chars)
|
||||
write_str(str, chars); // Print a second copy of the message
|
||||
}
|
||||
}
|
||||
|
||||
// Adjust by complete UTF8 characters
|
||||
if (status_scroll_offset < slen) {
|
||||
status_scroll_offset++;
|
||||
while (!START_OF_UTF8_CHAR(str[status_scroll_offset]))
|
||||
status_scroll_offset++;
|
||||
}
|
||||
else
|
||||
status_scroll_offset = 0;
|
||||
}
|
||||
#else
|
||||
// Get the UTF8 character count of the string
|
||||
uint8_t slen = utf8_strlen(str);
|
||||
|
||||
// Just print the string to the LCD
|
||||
write_str(str, lcd_len);
|
||||
|
||||
// Fill the rest with spaces if there are missing spaces
|
||||
while (slen < lcd_len) {
|
||||
write_byte(' ');
|
||||
++slen;
|
||||
}
|
||||
#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 uint16_t feedrate_perc = feedrate_percentage;
|
||||
const uint8_t fs = (((uint16_t)fan_speed[0] + 1) * 100) / 256;
|
||||
const int16_t extruder_1_target = thermalManager.degTargetHotend(0);
|
||||
#if HOTENDS > 1
|
||||
const int16_t extruder_2_target = thermalManager.degTargetHotend(1);
|
||||
#endif
|
||||
#if HAS_HEATED_BED
|
||||
const int16_t bed_target = thermalManager.degTargetBed();
|
||||
#endif
|
||||
static uint16_t last_checksum = 0;
|
||||
const uint16_t checksum = blink ^ feedrate_perc ^ fs ^ extruder_1_target
|
||||
#if HOTENDS > 1
|
||||
^ extruder_2_target
|
||||
#endif
|
||||
#if HAS_HEATED_BED
|
||||
^ bed_target
|
||||
#endif
|
||||
;
|
||||
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 uint16_t feedrate_perc = feedrate_percentage;
|
||||
const uint8_t fs = (((uint16_t)fan_speed[0] + 1) * 100) / 256;
|
||||
const int16_t extruder_1_temp = thermalManager.degHotend(0),
|
||||
extruder_1_target = thermalManager.degTargetHotend(0);
|
||||
#if HOTENDS > 1
|
||||
const int16_t extruder_2_temp = thermalManager.degHotend(1),
|
||||
extruder_2_target = thermalManager.degTargetHotend(1);
|
||||
#endif
|
||||
#if HAS_HEATED_BED
|
||||
const int16_t bed_temp = thermalManager.degBed(),
|
||||
bed_target = thermalManager.degTargetBed();
|
||||
#endif
|
||||
|
||||
draw_extruder_1_temp(extruder_1_temp, extruder_1_target, forceUpdate);
|
||||
#if HOTENDS > 1
|
||||
draw_extruder_2_temp(extruder_2_temp, extruder_2_target, forceUpdate);
|
||||
#endif
|
||||
#if HAS_HEATED_BED
|
||||
draw_bed_temp(bed_temp, bed_target, forceUpdate);
|
||||
#endif
|
||||
draw_fan_speed(fs);
|
||||
draw_print_time(elapsed);
|
||||
draw_feedrate_percentage(feedrate_perc);
|
||||
|
||||
// Update the fan and bed animations
|
||||
if (fs) draw_fan_icon(blink);
|
||||
#if HAS_HEATED_BED
|
||||
if (bed_target > 0)
|
||||
draw_heat_icon(blink, true);
|
||||
else
|
||||
draw_heat_icon(false, false);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
#ifndef STATUS_EXPIRE_SECONDS
|
||||
#define STATUS_EXPIRE_SECONDS 20
|
||||
#endif
|
||||
|
||||
void ST7920_Lite_Status_Screen::update_status_or_position(bool forceUpdate) {
|
||||
|
||||
#if STATUS_EXPIRE_SECONDS
|
||||
static uint8_t countdown = 0;
|
||||
#endif
|
||||
|
||||
/**
|
||||
* 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 STATUS_EXPIRE_SECONDS is zero, the position display
|
||||
* will be disabled and only the status will be shown.
|
||||
*/
|
||||
if (forceUpdate || status_changed()) {
|
||||
#if ENABLED(STATUS_MESSAGE_SCROLLING)
|
||||
status_scroll_offset = 0;
|
||||
#endif
|
||||
#if STATUS_EXPIRE_SECONDS
|
||||
countdown = lcd_status_message[0] ? STATUS_EXPIRE_SECONDS : 0;
|
||||
#endif
|
||||
draw_status_message(lcd_status_message);
|
||||
blink_changed(); // Clear changed flag
|
||||
}
|
||||
#if !STATUS_EXPIRE_SECONDS
|
||||
#if ENABLED(STATUS_MESSAGE_SCROLLING)
|
||||
else
|
||||
draw_status_message(lcd_status_message);
|
||||
#endif
|
||||
#else
|
||||
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
|
||||
all_axes_known()
|
||||
#endif
|
||||
);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
void ST7920_Lite_Status_Screen::update_progress(const bool forceUpdate) {
|
||||
#if ENABLED(LCD_SET_PROGRESS_MANUALLY) || ENABLED(SDSUPPORT)
|
||||
|
||||
#if DISABLED(LCD_SET_PROGRESS_MANUALLY)
|
||||
uint8_t progress_bar_percent = 0;
|
||||
#endif
|
||||
|
||||
#if ENABLED(SDSUPPORT)
|
||||
// Progress bar % comes from SD when actively printing
|
||||
if (IS_SD_PRINTING()) progress_bar_percent = card.percentDone();
|
||||
#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 == progress_bar_percent) return;
|
||||
last_progress = progress_bar_percent;
|
||||
|
||||
draw_progress_bar(progress_bar_percent);
|
||||
|
||||
#else
|
||||
|
||||
UNUSED(forceUpdate);
|
||||
|
||||
#endif // LCD_SET_PROGRESS_MANUALLY || SDSUPPORT
|
||||
}
|
||||
|
||||
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();
|
||||
}
|
||||
|
||||
void lcd_impl_status_screen_0() {
|
||||
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.
|
||||
*/
|
||||
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();
|
||||
}
|
||||
Reference in New Issue
Block a user