mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-22 23:56:13 +01:00
8be9d9e0b0
New EXRAIL command LCD2(display,row,"text"). Display 0 is the usual one, other displays can be configured through HAL.
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*
|
|
* © 2021 Neil McKechnie
|
|
* © 2021 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/>.
|
|
*/
|
|
#ifndef DisplayInterface_h
|
|
#define DisplayInterface_h
|
|
|
|
#include <Arduino.h>
|
|
|
|
// Definition of base class for displays. The base class does nothing.
|
|
class DisplayInterface : public Print {
|
|
public:
|
|
virtual DisplayInterface* loop2(bool force) { (void)force; return NULL; };
|
|
virtual void setRow(byte line) { (void)line; };
|
|
virtual void clear() { };
|
|
virtual size_t write(uint8_t c) { (void)c; return 0; };
|
|
// Additional functions to support multiple displays.
|
|
// Display number zero is the default one and the original display
|
|
// drivers overloaded the above calls only. Newer display drivers
|
|
// (e.g. HAL IO_OledDisplay) should override all functions.
|
|
virtual void setRow(uint8_t displayNo, byte line) {
|
|
if (!displayNo) setRow(line);
|
|
}
|
|
virtual void clear(uint8_t displayNo) {
|
|
if (!displayNo) clear();
|
|
}
|
|
|
|
static DisplayInterface *lcdDisplay;
|
|
};
|
|
|
|
#endif
|