user config
Fork of TextLCD by
required for StormXalike
Diff: TextLCD.h
- Revision:
- 1:ac48b187213c
- Parent:
- 0:edfb85c53631
- Child:
- 2:227356c7d12c
diff -r edfb85c53631 -r ac48b187213c TextLCD.h --- a/TextLCD.h Sat May 22 18:18:19 2010 +0000 +++ b/TextLCD.h Thu May 27 13:44:15 2010 +0000 @@ -1,48 +1,71 @@ -/* 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 +/* mbed TextLCD Library, for a 4-bit LCD based on HD44780 + * 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. + */ + +#ifndef MBED_TEXTLCD_H +#define MBED_TEXTLCD_H + +#include "mbed.h" +class TextLCD : public Stream { +public: + + // the different LCDs and addressing modes + /** Select the type of LCD */ + enum LCDType { + LCD16x2 + , LCD16x2B + , LCD20x2 + , LCD20x4 + }; + + TextLCD(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, LCDType type = LCD16x2); + // int putc(int c) inherited from Stream + // int printf(...) inherited from Stream + void character(int column, int row, int c); + void locate(int column, int row); + void cls(); + + int rows(); + int columns(); + + +protected: + + // Stream implementation functions + virtual int _putc(int value); + virtual int _getc(); + + // internal tx functions + void writeByte(int value); + void writeCommand(int command); + void writeData(int data); + int address(int column, int row); + + DigitalOut _rs, _e; + BusOut _d; + LCDType _type; + + // current row/column + int _column; + int _row; +}; + +#endif