David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

TextDisplay.h@31:c72e12cd5c67, 2014-01-20 (annotated)

Committer:
WiredHome
Date:
Mon Jan 20 19:19:48 2014 +0000
Revision:
31:c72e12cd5c67
Parent:
29:422616aa04bd
Child:
33:b6b710758ab3
Support for Bitmap graphics (tested 4-bit and 8-bit formats, have not tested 1-bit or 24-bit).

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:de9d1462a835 1 /* mbed TextDisplay Library Base Class
dreschpe 0:de9d1462a835 2 * Copyright (c) 2007-2009 sford
dreschpe 0:de9d1462a835 3 * Released under the MIT License: http://mbed.org/license/mit
dreschpe 0:de9d1462a835 4 *
dreschpe 0:de9d1462a835 5 * A common base class for Text displays
dreschpe 0:de9d1462a835 6 * To port a new display, derive from this class and implement
dreschpe 0:de9d1462a835 7 * the constructor (setup the display), character (put a character
dreschpe 0:de9d1462a835 8 * at a location), rows and columns (number of rows/cols) functions.
dreschpe 0:de9d1462a835 9 * Everything else (locate, printf, putc, cls) will come for free
dreschpe 0:de9d1462a835 10 *
dreschpe 0:de9d1462a835 11 * The model is the display will wrap at the right and bottom, so you can
WiredHome 19:3f82c1161fd2 12 * keep writing and will always get valid characters. The location is
dreschpe 0:de9d1462a835 13 * maintained internally to the class to make this easy
dreschpe 0:de9d1462a835 14 */
dreschpe 0:de9d1462a835 15
dreschpe 0:de9d1462a835 16 #ifndef MBED_TEXTDISPLAY_H
dreschpe 0:de9d1462a835 17 #define MBED_TEXTDISPLAY_H
dreschpe 0:de9d1462a835 18
dreschpe 0:de9d1462a835 19 #include "mbed.h"
dreschpe 0:de9d1462a835 20
WiredHome 31:c72e12cd5c67 21 #include "DisplayDefs.h"
WiredHome 19:3f82c1161fd2 22
WiredHome 19:3f82c1161fd2 23 class TextDisplay : public Stream
WiredHome 19:3f82c1161fd2 24 {
dreschpe 0:de9d1462a835 25 public:
dreschpe 0:de9d1462a835 26
WiredHome 19:3f82c1161fd2 27 // functions needing implementation in derived implementation class
WiredHome 19:3f82c1161fd2 28 /** Create a TextDisplay interface
WiredHome 19:3f82c1161fd2 29 *
WiredHome 19:3f82c1161fd2 30 * @param name The name used in the path to access the strean through the filesystem
WiredHome 19:3f82c1161fd2 31 */
dreschpe 0:de9d1462a835 32 TextDisplay(const char *name = NULL);
dreschpe 0:de9d1462a835 33
dreschpe 0:de9d1462a835 34 /** output a character at the given position
dreschpe 0:de9d1462a835 35 *
WiredHome 29:422616aa04bd 36 * @param x position in pixels
WiredHome 29:422616aa04bd 37 * @param y position in pixels
dreschpe 0:de9d1462a835 38 * @param c the character to be written to the TextDisplay
WiredHome 29:422616aa04bd 39 * @returns number of pixels to advance the cursor.
dreschpe 0:de9d1462a835 40 */
WiredHome 29:422616aa04bd 41 virtual int character(int x, int y, int c) = 0;
dreschpe 0:de9d1462a835 42
dreschpe 0:de9d1462a835 43 /** return number if rows on TextDisplay
dreschpe 0:de9d1462a835 44 * @result number of rows
dreschpe 0:de9d1462a835 45 */
dreschpe 0:de9d1462a835 46 virtual int rows() = 0;
dreschpe 0:de9d1462a835 47
dreschpe 0:de9d1462a835 48 /** return number if columns on TextDisplay
dreschpe 0:de9d1462a835 49 * @result number of rows
dreschpe 0:de9d1462a835 50 */
dreschpe 0:de9d1462a835 51 virtual int columns() = 0;
WiredHome 19:3f82c1161fd2 52
dreschpe 0:de9d1462a835 53 // functions that come for free, but can be overwritten
dreschpe 0:de9d1462a835 54
dreschpe 0:de9d1462a835 55 /** redirect output from a stream (stoud, sterr) to display
dreschpe 0:de9d1462a835 56 * @param stream stream that shall be redirected to the TextDisplay
dreschpe 0:de9d1462a835 57 */
dreschpe 0:de9d1462a835 58 virtual bool claim (FILE *stream);
dreschpe 0:de9d1462a835 59
dreschpe 0:de9d1462a835 60 /** clear screen
dreschpe 0:de9d1462a835 61 */
WiredHome 29:422616aa04bd 62 virtual RetCode_t cls() = 0;
WiredHome 19:3f82c1161fd2 63 virtual RetCode_t locate(unsigned int column, unsigned int row) = 0;
WiredHome 19:3f82c1161fd2 64 virtual RetCode_t foreground(uint16_t colour) = 0;
WiredHome 19:3f82c1161fd2 65 virtual RetCode_t background(uint16_t colour) = 0;
dreschpe 0:de9d1462a835 66 // putc (from Stream)
dreschpe 0:de9d1462a835 67 // printf (from Stream)
dreschpe 0:de9d1462a835 68
WiredHome 19:3f82c1161fd2 69 protected:
dreschpe 0:de9d1462a835 70 virtual int _putc(int value);
dreschpe 0:de9d1462a835 71 virtual int _getc();
dreschpe 0:de9d1462a835 72
dreschpe 0:de9d1462a835 73 // character location
dreschpe 0:de9d1462a835 74 uint16_t _column;
dreschpe 0:de9d1462a835 75 uint16_t _row;
dreschpe 0:de9d1462a835 76
dreschpe 0:de9d1462a835 77 // colours
dreschpe 0:de9d1462a835 78 uint16_t _foreground;
dreschpe 0:de9d1462a835 79 uint16_t _background;
dreschpe 0:de9d1462a835 80 char *_path;
dreschpe 0:de9d1462a835 81 };
dreschpe 0:de9d1462a835 82
dreschpe 0:de9d1462a835 83 #endif