mirror of
https://github.com/taigrr/arduinolibs
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73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/*
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* Copyright (C) 2012 Southern Storm Software, Pty Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef FreetronicsLCD_h
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#define FreetronicsLCD_h
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// Extended version of the LiquidCrystal library that works specifically
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// with Freetronics' 16x2 LCD display, including support for the back
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// light and the Up/Down/Left/Right/Select buttons. More info:
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//
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// http://www.freetronics.com/pages/16x2-lcd-shield-quickstart-guide
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// Include a copy of the standard LiquidCrystal library so we can extend it.
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#include "utility/LiquidCrystal.h"
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// Button event codes.
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#define LCD_BUTTON_NONE 0
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#define LCD_BUTTON_LEFT 1
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#define LCD_BUTTON_RIGHT 2
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#define LCD_BUTTON_UP 3
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#define LCD_BUTTON_DOWN 4
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#define LCD_BUTTON_SELECT 5
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#define LCD_BUTTON_LEFT_RELEASED -1
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#define LCD_BUTTON_RIGHT_RELEASED -2
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#define LCD_BUTTON_UP_RELEASED -3
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#define LCD_BUTTON_DOWN_RELEASED -4
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#define LCD_BUTTON_SELECT_RELEASED -5
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class FreetronicsLCD : public LiquidCrystal {
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public:
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FreetronicsLCD() : LiquidCrystal(8, 9, 4, 5, 6, 7) { init(); }
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FreetronicsLCD(uint8_t pin9) : LiquidCrystal(8, pin9, 4, 5, 6, 7) { init(); }
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void display();
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void noDisplay();
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void enableScreenSaver(int timeoutSecs = 10);
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void disableScreenSaver();
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bool isScreenSaved() const { return screenSaved; }
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int getButton();
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private:
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int prevButton;
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unsigned long timeout;
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unsigned long lastRestore;
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bool screenSaved;
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bool eatRelease;
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void init();
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};
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#endif
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