1
0
mirror of https://github.com/DCC-EX/CommandStation-EX.git synced 2024-12-23 21:01:25 +01:00
CommandStation-EX/LCD_Implementation.h

57 lines
2.1 KiB
C

/*
* © 2020, Chris Harlow. All rights reserved.
*
* This file is part of CommandStation-EX
*
* This 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.
*
* It 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 CommandStation. If not, see <https://www.gnu.org/licenses/>.
*/
////////////////////////////////////////////////////////////////////////////////////
// This implementation is designed to be #included ONLY ONCE in the .ino
//
// It will create a driver implemntation and a shim class implementation.
// This means that other classes can reference the shim without knowing
// which libraray is involved.
////////////////////////////////////////////////////////////////////////////////////
#ifndef LCD_Implementation_h
#define LCD_Implementation_h
#include "config.h"
#include <Wire.h>
#include "LCDDisplay.h"
LCDDisplay * LCDDisplay::lcdDisplay=0;
// Implement the LCDDisplay shim class as a singleton.
// Notice that the LCDDisplay class declaration (LCDDisplay.h) is independent of the library
// but the implementation is compiled here with dependencies on LCDDriver which is
// specific to the library in use.
// Thats the workaround to the drivers not all implementing a common interface.
#if defined(OLED_DRIVER)
#include "LCD_OLED.h"
#define CONDITIONAL_LCD_START for (LCDDisplay * dummy=new LCDDisplay();dummy!=NULL; dummy=dummy->loop2(true))
#elif defined(LCD_DRIVER)
#include "LCD_LCD.h"
#define CONDITIONAL_LCD_START for (LCDDisplay * dummy=new LCDDisplay();dummy!=NULL; dummy=dummy->loop2(true))
#else
#include "LCD_NONE.h"
#define CONDITIONAL_LCD_START if (false) /* NO LCD CONFIG */
#endif
#endif // LCD_Implementation_h