Marlin_Firmware/Marlin/src/lcd/HD44780/ultralcd_HD44780.h

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/**
* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
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* 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/>.
*
*/
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#pragma once
/**
* Implementation of the LCD display routines for a Hitachi HD44780 display.
* These are the most common LCD character displays.
*/
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#include "../../inc/MarlinConfig.h"
#if LCD_HEIGHT > 3
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#include "../../libs/duration_t.h"
#endif
////////////////////////////////////
// Setup button and encode mappings for each panel (into 'buttons' variable
//
// This is just to map common functions (across different panels) onto the same
// macro name. The mapping is independent of whether the button is directly connected or
// via a shift/i2c register.
////////////////////////////////////
// Create LCD class instance and chipset-specific information
#if ENABLED(LCD_I2C_TYPE_PCF8575)
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// NOTE: These are register-mapped pins on the PCF8575 controller, not Arduino pins.
#define LCD_I2C_PIN_BL 3
#define LCD_I2C_PIN_EN 2
#define LCD_I2C_PIN_RW 1
#define LCD_I2C_PIN_RS 0
#define LCD_I2C_PIN_D4 4
#define LCD_I2C_PIN_D5 5
#define LCD_I2C_PIN_D6 6
#define LCD_I2C_PIN_D7 7
#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>
#define LCD_CLASS LiquidCrystal_I2C
#elif ENABLED(LCD_I2C_TYPE_MCP23017)
// For the LED indicators (which may be mapped to different events in update_indicators())
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#define LCD_HAS_STATUS_INDICATORS
#define LED_A 0x04 //100
#define LED_B 0x02 //010
#define LED_C 0x01 //001
#include <Wire.h>
#include <LiquidTWI2.h>
#define LCD_CLASS LiquidTWI2
#elif ENABLED(LCD_I2C_TYPE_MCP23008)
#include <Wire.h>
#include <LiquidTWI2.h>
#define LCD_CLASS LiquidTWI2
#elif ENABLED(LCD_I2C_TYPE_PCA8574)
#include <LiquidCrystal_I2C.h>
#define LCD_CLASS LiquidCrystal_I2C
#elif ENABLED(SR_LCD_2W_NL)
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// 2 wire Non-latching LCD SR from:
// https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection
// extern "C" void __cxa_pure_virtual() { while (1); }
#include <LCD.h>
#include <LiquidCrystal_SR.h>
#define LCD_CLASS LiquidCrystal_SR
#elif ENABLED(SR_LCD_3W_NL)
//NewLiquidCrystal was not working for me, but this worked first try
//https://github.com/mikeshub/SailfishLCD
//uses the code directly from Sailfish
#include <SailfishLCD.h>
#define LCD_CLASS LiquidCrystalSerial
#elif ENABLED(LCM1602)
#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>
#define LCD_CLASS LiquidCrystal_I2C
#else
// Standard directly connected LCD implementations
#include <LiquidCrystal.h>
#define LCD_CLASS LiquidCrystal
#endif
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#include "../fontutils.h"
#include "../lcdprint.h"