LCD I2C
Dependents: proyectoRTOS proyectoRTOS2 proyectoRTOS proyectoRTOSp ... more
Diff: TextLCD.h
- Revision:
- 0:edfb85c53631
- Child:
- 1:ac48b187213c
diff -r 000000000000 -r edfb85c53631 TextLCD.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.h Sat May 22 18:18:19 2010 +0000 @@ -0,0 +1,48 @@ +/* mbed TextLCD Library, for a 4-bit 2x16 LCD + * Copyright (c) 2007-2010, sford + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "TextDisplay.h" + +#ifndef MBED_TEXTLCD_H +#define MBED_TEXTLCD_H + +class TextLCD : public TextDisplay { +public: + + TextLCD(PinName rs, PinName rw, PinName e, PinName d0, PinName d1, PinName d2, PinName d3); + virtual void character(int column, int row, int c); + virtual int rows(); + virtual int columns(); + + // locate, cls, putc, printf come from derived classes + +protected: + + void writeByte(int value); + void writeCommand(int command); + void writeData(int data); + + DigitalOut _rw, _rs, _e; + BusOut _d; +}; + +#endif