Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.
Dependents: testUniGraphic_150217 maze_TFT_MMA8451Q TFT_test_frdm-kl25z TFT_test_NUCLEO-F411RE ... more
Diff: Graphics/TextDisplay.h
- Revision:
- 0:75ec1b3cde17
- Child:
- 4:12ba0ecc2c1f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Graphics/TextDisplay.h Thu Feb 12 22:22:47 2015 +0000 @@ -0,0 +1,106 @@ +/* mbed TextDisplay Library Base Class + * Copyright (c) 2007-2009 sford + * Released under the MIT License: http://mbed.org/license/mit + * + * A common base class for Text displays + * To port a new display, derive from this class and implement + * the constructor (setup the display), character (put a character + * at a location), rows and columns (number of rows/cols) functions. + * Everything else (locate, printf, putc, cls) will come for free + * + * The model is the display will wrap at the right and bottom, so you can + * keep writing and will always get valid characters. The location is + * maintained internally to the class to make this easy + */ + +#ifndef MBED_TEXTDISPLAY_H +#define MBED_TEXTDISPLAY_H + +#include "mbed.h" + +/** A common base class for Text displays +*/ +class TextDisplay : public Stream { +public: + + // functions needing implementation in derived implementation class + // ---------------------------------------------------------------- + /** Create a TextDisplay interface + * @param name The name used in the path to access the strean through the filesystem + */ + TextDisplay(const char *name = NULL); + + /** output a character at the given position + * + * @param column column where charater must be written + * @param row where character must be written + * @param c the character to be written to the TextDisplay + * @note this method may be overridden in a derived class. + */ + virtual void character(int column, int row, int c) = 0; + + /** return number of rows on TextDisplay + * @result number of rows + * @note this method must be supported in the derived class. + */ + virtual int rows() = 0; + + /** return number of columns on TextDisplay + * @result number of columns + * @note this method must be supported in the derived class. + */ + virtual int columns() = 0; + + // functions that come for free, but can be overwritten + // ---------------------------------------------------- + /** redirect output from a stream (stoud, sterr) to display + * @param stream stream that shall be redirected to the TextDisplay + * @note this method may be overridden in a derived class. + * @returns true if the claim succeeded. + */ + virtual bool claim (FILE *stream); + + /** clear the entire screen + * @note this method may be overridden in a derived class. + */ + virtual void cls(); + + /** locate the cursor at a character position. + * Based on the currently active font, locate the cursor on screen. + * @note this method may be overridden in a derived class. + * @param column is the horizontal offset from the left side. + * @param row is the vertical offset from the top. + */ + virtual void locate(int column, int row); + + /** set the foreground color + * @note this method may be overridden in a derived class. + * @param color is color to use for foreground drawing. + */ + virtual void foreground(uint16_t colour); + + /** set the background color + * @note this method may be overridden in a derived class. + * @param color is color to use for background drawing. + */ + virtual void background(uint16_t colour); + + // putc (from Stream) + // printf (from Stream) + +protected: + + virtual int _putc(int value); + virtual int _getc(); + + // character location + int _column; + int _row; + + // colours + uint16_t _foreground; + uint16_t _background; + char *_path; +}; + +#endif