Jonne Valola / ST7735_TFT

This is a mbed library for a 1.8 inch 128x160 pixel SPI TFT display

Dependents:   ST7735_Pong ST7735_TFT SPI18TFT_FRDM-KL25Z SPI18TFT ... more

TextDisplay.h@1:967235e6fd48, 2011-12-11 (annotated)

Committer:
smultron1977
Date:
Sun Dec 11 21:18:21 2011 +0000
Revision:
1:967235e6fd48
Parent:
0:246f2fb5be59 
SPI frequency increased

Who changed what in which revision?

UserRevisionLine numberNew contents of line
smultron1977 0:246f2fb5be59 1 /* mbed TextDisplay Library Base Class
smultron1977 0:246f2fb5be59 2 * Copyright (c) 2007-2009 sford
smultron1977 0:246f2fb5be59 3 * Released under the MIT License: http://mbed.org/license/mit
smultron1977 0:246f2fb5be59 4 *
smultron1977 0:246f2fb5be59 5 * A common base class for Text displays
smultron1977 0:246f2fb5be59 6 * To port a new display, derive from this class and implement
smultron1977 0:246f2fb5be59 7 * the constructor (setup the display), character (put a character
smultron1977 0:246f2fb5be59 8 * at a location), rows and columns (number of rows/cols) functions.
smultron1977 0:246f2fb5be59 9 * Everything else (locate, printf, putc, cls) will come for free
smultron1977 0:246f2fb5be59 10 *
smultron1977 0:246f2fb5be59 11 * The model is the display will wrap at the right and bottom, so you can
smultron1977 0:246f2fb5be59 12 * keep writing and will always get valid characters. The location is
smultron1977 0:246f2fb5be59 13 * maintained internally to the class to make this easy
smultron1977 0:246f2fb5be59 14 */
smultron1977 0:246f2fb5be59 15
smultron1977 0:246f2fb5be59 16 #ifndef MBED_TEXTDISPLAY_H
smultron1977 0:246f2fb5be59 17 #define MBED_TEXTDISPLAY_H
smultron1977 0:246f2fb5be59 18
smultron1977 0:246f2fb5be59 19 #include "mbed.h"
smultron1977 0:246f2fb5be59 20
smultron1977 0:246f2fb5be59 21 class TextDisplay : public Stream {
smultron1977 0:246f2fb5be59 22 public:
smultron1977 0:246f2fb5be59 23
smultron1977 0:246f2fb5be59 24 // functions needing implementation in derived implementation class
smultron1977 0:246f2fb5be59 25 /** Create a TextDisplay interface
smultron1977 0:246f2fb5be59 26 *
smultron1977 0:246f2fb5be59 27 * @param name The name used in the path to access the strean through the filesystem
smultron1977 0:246f2fb5be59 28 */
smultron1977 0:246f2fb5be59 29 TextDisplay(const char *name = NULL);
smultron1977 0:246f2fb5be59 30
smultron1977 0:246f2fb5be59 31 /** output a character at the given position
smultron1977 0:246f2fb5be59 32 *
smultron1977 0:246f2fb5be59 33 * @param column column where charater must be written
smultron1977 0:246f2fb5be59 34 * @param row where character must be written
smultron1977 0:246f2fb5be59 35 * @param c the character to be written to the TextDisplay
smultron1977 0:246f2fb5be59 36 */
smultron1977 0:246f2fb5be59 37 virtual void character(int column, int row, int c) = 0;
smultron1977 0:246f2fb5be59 38
smultron1977 0:246f2fb5be59 39 /** return number if rows on TextDisplay
smultron1977 0:246f2fb5be59 40 * @result number of rows
smultron1977 0:246f2fb5be59 41 */
smultron1977 0:246f2fb5be59 42 virtual int rows() = 0;
smultron1977 0:246f2fb5be59 43
smultron1977 0:246f2fb5be59 44 /** return number if columns on TextDisplay
smultron1977 0:246f2fb5be59 45 * @result number of rows
smultron1977 0:246f2fb5be59 46 */
smultron1977 0:246f2fb5be59 47 virtual int columns() = 0;
smultron1977 0:246f2fb5be59 48
smultron1977 0:246f2fb5be59 49 // functions that come for free, but can be overwritten
smultron1977 0:246f2fb5be59 50
smultron1977 0:246f2fb5be59 51 /** redirect output from a stream (stoud, sterr) to display
smultron1977 0:246f2fb5be59 52 * @param stream stream that shall be redirected to the TextDisplay
smultron1977 0:246f2fb5be59 53 */
smultron1977 0:246f2fb5be59 54 virtual bool claim (FILE *stream);
smultron1977 0:246f2fb5be59 55
smultron1977 0:246f2fb5be59 56 /** clear screen
smultron1977 0:246f2fb5be59 57 */
smultron1977 0:246f2fb5be59 58 virtual void cls();
smultron1977 0:246f2fb5be59 59 virtual void locate(int column, int row);
smultron1977 0:246f2fb5be59 60 virtual void foreground(uint16_t colour);
smultron1977 0:246f2fb5be59 61 virtual void background(uint16_t colour);
smultron1977 0:246f2fb5be59 62 // putc (from Stream)
smultron1977 0:246f2fb5be59 63 // printf (from Stream)
smultron1977 0:246f2fb5be59 64
smultron1977 0:246f2fb5be59 65 protected:
smultron1977 0:246f2fb5be59 66
smultron1977 0:246f2fb5be59 67 virtual int _putc(int value);
smultron1977 0:246f2fb5be59 68 virtual int _getc();
smultron1977 0:246f2fb5be59 69
smultron1977 0:246f2fb5be59 70 // character location
smultron1977 0:246f2fb5be59 71 uint16_t _column;
smultron1977 0:246f2fb5be59 72 uint16_t _row;
smultron1977 0:246f2fb5be59 73
smultron1977 0:246f2fb5be59 74 // colours
smultron1977 0:246f2fb5be59 75 uint16_t _foreground;
smultron1977 0:246f2fb5be59 76 uint16_t _background;
smultron1977 0:246f2fb5be59 77 char *_path;
smultron1977 0:246f2fb5be59 78 };
smultron1977 0:246f2fb5be59 79
smultron1977 0:246f2fb5be59 80 #endif