Marcio Teixeira
6 years ago
parent
12f0b20f8f
commit
4d315a693d
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/*
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* Modern Interface 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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#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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//set optimization so ARDUINO optimizes this file
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#pragma GCC optimize (3)
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typedef const __FlashStringHelper *progmem_str;
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void lcd_data(uint8_t data) {
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ST7920_WRITE_BYTE(data);
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}
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void lcd_cmd(uint8_t data) {
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ST7920_SET_CMD();
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ST7920_WRITE_BYTE(data);
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}
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void lcd_write_begin() {
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ST7920_SET_DAT();
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}
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void lcd_write_byte(uint8_t w) {
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lcd_data(w & 0xFF);
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}
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void lcd_write_word(uint16_t w) {
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lcd_data((w >> 8) & 0xFF);
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lcd_data((w >> 0) & 0xFF);
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}
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void lcd_write_str(const char *str) {
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while(*str) {
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lcd_write_byte(*str++);
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}
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}
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void lcd_write_str(const char *str, uint8_t len) {
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while(*str && len--) {
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lcd_write_byte(*str++);
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}
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}
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void lcd_write_str_P(const char *str) {
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const char *p_str = (const char *)str;
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char c = pgm_read_byte_near(p_str++);
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while(c) {
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lcd_write_byte(c);
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c = pgm_read_byte_near(p_str++);
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}
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}
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void lcd_write_str(progmem_str str) {
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lcd_write_str_P((const char*)str);
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}
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void lcd_write_number(uint8_t value, uint8_t digits=3) {
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char str[7];
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const char *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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}
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sprintf_P(str,fmt,value);
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lcd_write_str(str);
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}
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void lcd_clear() {
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lcd_cmd(0x00000001);
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u8g_Delay(15); //delay for CGRAM clear
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}
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void lcd_display_status(bool display_on, bool cursor_on, bool blink_on) {
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lcd_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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void lcd_extended_function_set(bool extended, bool graphics) {
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lcd_cmd( 0b00100000 |
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(extended ? 0b00000100 : 0) |
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(graphics ? 0b00000010 : 0)
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);
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}
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void lcd_entry_mode_select(bool ac_increase, bool shift) {
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lcd_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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void lcd_scroll_or_addr_select(bool sa) {
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lcd_cmd(0b00100010 |
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(sa ? 0b000001 : 0)
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);
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}
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void lcd_set_ddram_address(uint8_t addr) {
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lcd_cmd(0b10000000 | (addr & 0b00111111));
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}
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void lcd_set_cgram_address(uint8_t addr) {
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lcd_cmd(0b01000000 | (addr & 0b00111111));
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}
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void lcd_set_gdram_address(uint8_t x, uint8_t y) {
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lcd_cmd(0b10000000 | (y & 0b01111111));
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lcd_cmd(0b10000000 | (x & 0b00001111));
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}
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void clear_ddram()
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{
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lcd_extended_function_set(false, true);
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lcd_set_ddram_address(DDRAM_LINE_1);
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lcd_write_begin();
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for(int i=0; i < 64;i++) {
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lcd_write_byte(' ');
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}
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lcd_extended_function_set(true, true);
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}
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/* This fills the entire graphics buffer with zeros
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*/
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void clear_gdram()
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{
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for(int y = 0; y < BUFFER_HEIGHT; y++) {
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lcd_extended_function_set(true, true);
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lcd_set_gdram_address(0,y);
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lcd_extended_function_set(false, true);
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lcd_write_begin();
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for(int i = 0; i < (BUFFER_WIDTH / 16); i++) {
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lcd_write_byte(0);
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lcd_write_byte(0);
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}
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}
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lcd_extended_function_set(false, true);
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}
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void load_cgram_icon(uint16_t addr, const void *data) {
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const uint16_t *p_word = (const uint16_t *)data;
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lcd_set_cgram_address(addr);
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lcd_write_begin();
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for(int i = 0; i < 16; i++) {
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uint16_t word = pgm_read_word_near(p_word++);
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lcd_write_byte((word & 0xFF00) >> 8);
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lcd_write_byte((word & 0x00FF) >> 0);
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}
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}
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/* Draws an icon in GDRAM. The position is specified in
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as if they were DDRAM coordinates, i.e. the x position
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is [1-8], while the y position is [1-4] */
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void 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) {
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// Handle display folding
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y -= 2;
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x += 8;
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}
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x -= 1;
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y -= 1;
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for(int i = 0; i < 16; i++) {
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uint16_t word = pgm_read_word_near(p_word++);
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lcd_extended_function_set(true, true);
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lcd_set_gdram_address(x,i+y*16);
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lcd_extended_function_set(false, true);
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lcd_write_begin();
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lcd_write_byte((word & 0xFF00) >> 8);
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lcd_write_byte((word & 0x00FF) >> 0);
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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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#define N_ELEMENTS(a) sizeof(a)/sizeof(a[0])
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PROGMEM const uint16_t nozzle_icon[] = {
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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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PROGMEM const uint16_t bed_icon[] = {
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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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0b0000000000000000,
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0b0111111111111110,
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0b0111111111111110,
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0b0000000000000000,
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0b0000000000000000
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};
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PROGMEM const uint16_t heat1_icon[] = {
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0b0000000000000000,
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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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};
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PROGMEM const uint16_t heat2_icon[] = {
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0b0000000000000000,
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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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};
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PROGMEM const uint16_t fan1_icon[] = {
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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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PROGMEM const uint16_t fan2_icon[] = {
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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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PROGMEM const uint16_t feedrate_icon[] = {
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0b0000000000000000,
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0b0111111000000000,
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0b0100000000000000,
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0b0100000000000000,
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0b0100000000000000,
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0b0111111011111000,
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0b0100000010000100,
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0b0100000010000100,
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0b0100000010000100,
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0b0100000011111000,
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0b0000000010001000,
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0b0000000010000100,
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0b0000000010000100,
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0b0000000010000010,
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0b0000000000000000,
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0b0000000000000000
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};
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/************************** MAIN SCREEN *************************************/
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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 draw_progress_bar(uint8_t value) {
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#if EXTRUDERS == 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 int top = 1; // Top in pixels
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const int bottom = 13; // Bottom in pixels
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const int left = 8; // Left edge, in 16-bit words
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const int width = 5; // Width of progress bar, in 16-bit words
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#else
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const int top = 16 + 1; // Top in pixels
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const int bottom = 16 + 13; // Bottom in pixels
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const int left = 5; // Left edge, in 16-bit words
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const int width = 3; // Width of progress bar, in 16-bit words
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#endif
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const int 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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lcd_extended_function_set(false, true);
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for(int y = top; y <= bottom; y++) {
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lcd_extended_function_set(true, true);
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lcd_set_gdram_address(left,y);
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lcd_extended_function_set(false, true);
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lcd_write_begin();
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for(int x = 0; x < width; x++) {
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uint16_t gfx_word = 0x0000;
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if((x+1)*char_pcnt <= value) {
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// Draw completely filled bytes
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gfx_word = 0xFFFF;
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} else if((x*char_pcnt) < value) {
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// Draw partially filled bytes
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gfx_word = int(0x8000) >> (value % char_pcnt)*16/char_pcnt;
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}
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// Draw the frame around the progress bar
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if(y == top || y == bottom) {
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// Draw top/bottom border
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gfx_word = 0xFFFF;
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} else if (x == (width-1)) {
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// Draw right border
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gfx_word |= 0x0001;
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} else if (x == 0) {
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// Draw left border
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gfx_word |= 0x8000;
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}
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lcd_write_word(gfx_word);
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}
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}
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// Draw the percentage as text in DDRAM
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#if EXTRUDERS == 1
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lcd_set_ddram_address(DDRAM_LINE_3 + 1);
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#else
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lcd_set_ddram_address(DDRAM_LINE_2 + left);
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#endif
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lcd_write_begin();
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if(value > 9) {
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lcd_write_number(value,4);
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lcd_write_str(F("% "));
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} else {
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lcd_write_number(value,3);
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lcd_write_str(F("% "));
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}
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}
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static void draw_fan_icon(bool whichIcon) {
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lcd_set_ddram_address(DDRAM_LINE_1+5);
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lcd_write_begin();
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lcd_write_word(whichIcon ? CGRAM_ICON_3_WORD : CGRAM_ICON_4_WORD);
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}
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static void draw_heat_icon(bool whichIcon, bool heating) {
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#if EXTRUDERS == 1
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lcd_set_ddram_address(DDRAM_LINE_2);
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#else
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lcd_set_ddram_address(DDRAM_LINE_3);
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#endif
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lcd_write_begin();
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if(heating) {
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lcd_write_word(whichIcon ? CGRAM_ICON_1_WORD : CGRAM_ICON_2_WORD);
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} else {
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lcd_write_byte(' ');
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lcd_write_byte(' ');
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}
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}
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static void drawStaticElements() {
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lcd_extended_function_set(true, true);
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lcd_scroll_or_addr_select(0);
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lcd_extended_function_set(false, true);
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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 EXTRUDERS == 2
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draw_gdram_icon(1,2,nozzle_icon);
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#endif
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draw_gdram_icon(6,2,feedrate_icon);
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draw_gdram_icon(1,2,bed_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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#define FAR(a,b) (((a > b) ? (a-b) : (b-a)) > 1)
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static void draw_extruder_1_temp(uint8_t temp, uint8_t target) {
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lcd_set_ddram_address(DDRAM_LINE_1+1);
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lcd_write_begin();
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lcd_write_number(temp);
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if(target && FAR(temp, target)) {
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lcd_write_str(F("\x1A"));
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lcd_write_number(target);
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} else {
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lcd_write_str(F(" "));
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}
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}
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static void draw_extruder_2_temp(uint8_t temp, uint8_t target) {
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lcd_set_ddram_address(DDRAM_LINE_2+1);
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lcd_write_begin();
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lcd_write_number(temp);
|
||||
if(target && FAR(temp, target)) {
|
||||
lcd_write_str(F("\x1A"));
|
||||
lcd_write_number(target);
|
||||
} else {
|
||||
lcd_write_str(F(" "));
|
||||
}
|
||||
}
|
||||
|
||||
static void draw_bed_temp(uint8_t temp, uint8_t target) {
|
||||
#if EXTRUDERS == 1
|
||||
lcd_set_ddram_address(DDRAM_LINE_2+1);
|
||||
#else
|
||||
lcd_set_ddram_address(DDRAM_LINE_3+1);
|
||||
#endif
|
||||
lcd_write_begin();
|
||||
lcd_write_number(temp);
|
||||
if(target && FAR(temp, target)) {
|
||||
lcd_write_str(F("\x1A"));
|
||||
lcd_write_number(target);
|
||||
} else {
|
||||
lcd_write_str(F(" "));
|
||||
}
|
||||
}
|
||||
|
||||
static void draw_fan_speed(uint8_t value) {
|
||||
lcd_set_ddram_address(DDRAM_LINE_1+6);
|
||||
lcd_write_begin();
|
||||
lcd_write_number(value,4);
|
||||
}
|
||||
|
||||
static void draw_print_time(uint32_t elapsed) {
|
||||
const uint8_t hrs = elapsed/360;
|
||||
const uint8_t min = (elapsed/60)%60;
|
||||
char str[7];
|
||||
sprintf_P(str,hrs > 99 ? PSTR("%03d:%02d") : PSTR(" %02d:%02d"),hrs,min);
|
||||
|
||||
lcd_set_ddram_address(DDRAM_LINE_3+5);
|
||||
lcd_write_begin();
|
||||
lcd_write_str(str);
|
||||
}
|
||||
|
||||
static void draw_feedrate_percentage(uint8_t percentage) {
|
||||
// We only have enough room for the feedrate when
|
||||
// we have one extruder
|
||||
#if EXTRUDERS == 1
|
||||
lcd_set_ddram_address(DDRAM_LINE_2+6);
|
||||
lcd_write_begin();
|
||||
lcd_write_number(percentage,4);
|
||||
#endif
|
||||
}
|
||||
|
||||
static void draw_status_message(const char *str) {
|
||||
lcd_set_ddram_address(DDRAM_LINE_4);
|
||||
lcd_write_begin();
|
||||
lcd_write_str(str, 16);
|
||||
}
|
||||
|
||||
static void draw_position(const float x, const float y, const float z) {
|
||||
char str[7];
|
||||
lcd_set_ddram_address(DDRAM_LINE_4);
|
||||
lcd_write_begin();
|
||||
|
||||
dtostrf(x, -4, 0, str);
|
||||
lcd_write_byte('X');
|
||||
lcd_write_str(str, 4);
|
||||
|
||||
dtostrf(y, -4, 0, str);
|
||||
lcd_write_byte('Y');
|
||||
lcd_write_str(str, 4);
|
||||
|
||||
dtostrf(z, -5, 1, str);
|
||||
lcd_write_byte('Z');
|
||||
lcd_write_str(str, 5);
|
||||
}
|
||||
|
||||
static void lcd_onEntry() {
|
||||
ST7920_CS();
|
||||
lcd_extended_function_set(false, true);
|
||||
clear_gdram();
|
||||
drawStaticElements();
|
||||
lcd_extended_function_set(true, true);
|
||||
ST7920_NCS();
|
||||
}
|
||||
|
||||
static void lcd_onExit() {
|
||||
ST7920_CS();
|
||||
lcd_extended_function_set(false, true);
|
||||
lcd_clear();
|
||||
clear_gdram();
|
||||
lcd_extended_function_set(true, true);
|
||||
ST7920_NCS();
|
||||
}
|
||||
|
||||
static void lcd_implementation_status_screen() {
|
||||
// Retrieve values from Marlin
|
||||
const uint8_t fan_speed = ((fanSpeeds[0] + 1) * 100) / 256;
|
||||
const uint8_t percent_done = card.percentDone();
|
||||
const duration_t elapsed = print_job_timer.duration();
|
||||
const uint32_t seconds_elapsed = elapsed.value;
|
||||
const float x_pos = current_position[X_AXIS];
|
||||
const float y_pos = current_position[Y_AXIS];
|
||||
const float z_pos = current_position[Z_AXIS];
|
||||
const uint8_t feedrate_perc = feedrate_percentage;
|
||||
const float bed_temp = thermalManager.degBed();
|
||||
const float bed_target = thermalManager.degTargetBed();
|
||||
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 char * status_string = lcd_status_message;
|
||||
const bool blink = lcd_blink();
|
||||
const bool position_known = axis_known_position[X_AXIS] && axis_known_position[Y_AXIS] && axis_known_position[Z_AXIS];
|
||||
|
||||
static bool show_position = false;
|
||||
static uint8_t last_crc = 0;
|
||||
|
||||
const uint8_t crc =
|
||||
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) ^
|
||||
uint8_t((uint16_t(status_string) & 0x00FF) >> 0) ^
|
||||
uint8_t((uint16_t(status_string) & 0xFF00) >> 8);
|
||||
|
||||
// Only update unless something important has changed.
|
||||
if(last_crc != crc) {
|
||||
last_crc = crc;
|
||||
|
||||
// Draw the status screen
|
||||
|
||||
ST7920_CS();
|
||||
|
||||
lcd_extended_function_set(false, true);
|
||||
//drawStaticElements();
|
||||
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);
|
||||
|
||||
static const char * status_string_last = 0;
|
||||
static uint8_t status_string_countdown = 0;
|
||||
static uint8_t status_string_pos_crc = 0;
|
||||
|
||||
// Dismiss the status message automatically after 10 blinks
|
||||
// if movement is happening on the x axis.
|
||||
const uint8_t pos_crc = uint8_t(x_pos) ^ uint8_t(y_pos);
|
||||
if(status_string_last != status_string) {
|
||||
status_string_countdown = 5;
|
||||
status_string_last = status_string;
|
||||
} else if(pos_crc != status_string_pos_crc && status_string_countdown > 0) {
|
||||
status_string_countdown--;
|
||||
}
|
||||
status_string_pos_crc = pos_crc;
|
||||
|
||||
if(strlen(status_string) && status_string_countdown > 0) {
|
||||
draw_status_message(status_string);
|
||||
show_position = false;
|
||||
} else if(position_known) {
|
||||
show_position = true;
|
||||
}
|
||||
draw_progress_bar(percent_done);
|
||||
|
||||
|
||||
// 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);
|
||||
}
|
||||
|
||||
lcd_extended_function_set(true, true);
|
||||
ST7920_NCS();
|
||||
} else if(show_position) {
|
||||
ST7920_CS();
|
||||
lcd_extended_function_set(false, true);
|
||||
draw_position(x_pos, y_pos, z_pos);
|
||||
lcd_extended_function_set(true, true);
|
||||
ST7920_NCS();
|
||||
}
|
||||
}
|
||||
|
||||
static void lcd_in_status(bool inStatus) {
|
||||
static bool lastInStatus = false;
|
||||
if(!lastInStatus && inStatus) {
|
||||
lcd_onEntry();
|
||||
lastInStatus = true;
|
||||
}
|
||||
if(lastInStatus && !inStatus) {
|
||||
lcd_onExit();
|
||||
lastInStatus = false;
|
||||
}
|
||||
}
|
||||
|
||||
void lcd_clear_text_buffer() {
|
||||
ST7920_CS();
|
||||
clear_ddram();
|
||||
ST7920_NCS();
|
||||
}
|
||||
|
||||
#pragma GCC reset_options
|
||||
Loading…
Reference in new issue