mirror of
https://github.com/DCC-EX/CommandStation-EX.git
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50a9e08d1f
now just 2 places where config is included... 1) in defines.h 2) At the start of the .ino so it can be made obvious to the user what is happening.
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/*
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* © 2021, Chris Harlow, Neil McKechnie. All rights reserved.
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*
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* This file is part of CommandStation-EX
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef LCDDisplay_h
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#define LCDDisplay_h
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#include <Arduino.h>
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#include "defines.h"
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#include "DisplayInterface.h"
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// Allow maximum message length to be overridden from config.h
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#if !defined(MAX_MSG_SIZE)
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#define MAX_MSG_SIZE 20
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#endif
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// Set default scroll mode (overridable in config.h)
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#if !defined(SCROLLMODE)
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#define SCROLLMODE 1
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#endif
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// This class is created in LCDisplay_Implementation.h
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class LCDDisplay : public DisplayInterface {
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public:
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LCDDisplay() {};
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static const int MAX_LCD_ROWS = 8;
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static const int MAX_LCD_COLS = MAX_MSG_SIZE;
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static const long LCD_SCROLL_TIME = 3000; // 3 seconds
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// Internally handled functions
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static void loop();
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LCDDisplay* loop2(bool force) override;
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void setRow(byte line) override;
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void clear() override;
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size_t write(uint8_t b) override;
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protected:
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uint8_t lcdRows;
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uint8_t lcdCols;
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private:
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void moveToNextRow();
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void skipBlankRows();
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// Relay functions to the live driver in the subclass
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virtual void clearNative() = 0;
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virtual void setRowNative(byte line) = 0;
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virtual size_t writeNative(uint8_t b) = 0;
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virtual bool isBusy() = 0;
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unsigned long lastScrollTime = 0;
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int8_t hotRow = 0;
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int8_t hotCol = 0;
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int8_t topRow = 0;
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int8_t slot = 0;
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int8_t rowFirst = -1;
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int8_t rowNext = 0;
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int8_t charIndex = 0;
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char buffer[MAX_LCD_COLS + 1];
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char* bufferPointer = 0;
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bool done = false;
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char rowBuffer[MAX_LCD_ROWS][MAX_LCD_COLS + 1];
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};
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#endif
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