mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-27 01:56:14 +01:00
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
|
|
* © 2021, Chris Harlow, Neil McKechnie. 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 LCDDisplay_h
|
|
#define LCDDisplay_h
|
|
#include <Arduino.h>
|
|
#include "DisplayInterface.h"
|
|
|
|
#include "defines.h" // includes config.h as well
|
|
|
|
// Allow maximum message length to be overridden from config.h
|
|
#if !defined(MAX_MSG_SIZE)
|
|
#define MAX_MSG_SIZE 20
|
|
#endif
|
|
|
|
// Set default scroll mode (overridable in config.h)
|
|
#if !defined(SCROLLMODE)
|
|
#define SCROLLMODE 1
|
|
#endif
|
|
|
|
// This class is created in LCDisplay_Implementation.h
|
|
|
|
class LCDDisplay : public DisplayInterface {
|
|
public:
|
|
LCDDisplay() {};
|
|
static const int MAX_LCD_ROWS = 8;
|
|
static const int MAX_LCD_COLS = MAX_MSG_SIZE;
|
|
static const long LCD_SCROLL_TIME = 3000; // 3 seconds
|
|
|
|
// Internally handled functions
|
|
static void loop();
|
|
LCDDisplay* loop2(bool force) override;
|
|
void setRow(byte line) override;
|
|
void clear() override;
|
|
|
|
size_t write(uint8_t b) override;
|
|
|
|
protected:
|
|
uint8_t lcdRows;
|
|
uint8_t lcdCols;
|
|
|
|
private:
|
|
void moveToNextRow();
|
|
void skipBlankRows();
|
|
|
|
// Relay functions to the live driver in the subclass
|
|
virtual void clearNative() = 0;
|
|
virtual void setRowNative(byte line) = 0;
|
|
virtual size_t writeNative(uint8_t b) = 0;
|
|
virtual bool isBusy() = 0;
|
|
|
|
unsigned long lastScrollTime = 0;
|
|
int8_t hotRow = 0;
|
|
int8_t hotCol = 0;
|
|
int8_t topRow = 0;
|
|
int8_t slot = 0;
|
|
int8_t rowFirst = -1;
|
|
int8_t rowNext = 0;
|
|
int8_t charIndex = 0;
|
|
char buffer[MAX_LCD_COLS + 1];
|
|
char* bufferPointer = 0;
|
|
bool done = false;
|
|
|
|
char rowBuffer[MAX_LCD_ROWS][MAX_LCD_COLS + 1];
|
|
};
|
|
|
|
#endif
|