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
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.cpp@23:a50ded45dbaf, 2014-01-15 (annotated)
- Committer:
- WiredHome
- Date:
- Wed Jan 15 12:24:54 2014 +0000
- Revision:
- 23:a50ded45dbaf
- Parent:
- 19:3f82c1161fd2
- Child:
- 29:422616aa04bd
Some improvements to text APIs, and migration of the test code into the library (behind a #ifdef).
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dreschpe | 0:de9d1462a835 | 1 | /* mbed TextDisplay Display 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 | */ |
WiredHome | 19:3f82c1161fd2 | 5 | |
dreschpe | 0:de9d1462a835 | 6 | #include "TextDisplay.h" |
dreschpe | 0:de9d1462a835 | 7 | |
WiredHome | 19:3f82c1161fd2 | 8 | TextDisplay::TextDisplay(const char *name) : Stream(name) |
WiredHome | 19:3f82c1161fd2 | 9 | { |
dreschpe | 0:de9d1462a835 | 10 | _row = 0; |
dreschpe | 0:de9d1462a835 | 11 | _column = 0; |
dreschpe | 0:de9d1462a835 | 12 | if (name == NULL) { |
dreschpe | 0:de9d1462a835 | 13 | _path = NULL; |
dreschpe | 0:de9d1462a835 | 14 | } else { |
dreschpe | 0:de9d1462a835 | 15 | _path = new char[strlen(name) + 2]; |
dreschpe | 0:de9d1462a835 | 16 | sprintf(_path, "/%s", name); |
dreschpe | 0:de9d1462a835 | 17 | } |
dreschpe | 0:de9d1462a835 | 18 | } |
WiredHome | 19:3f82c1161fd2 | 19 | |
WiredHome | 19:3f82c1161fd2 | 20 | int TextDisplay::_putc(int value) |
WiredHome | 19:3f82c1161fd2 | 21 | { |
dreschpe | 0:de9d1462a835 | 22 | if(value == '\n') { |
dreschpe | 0:de9d1462a835 | 23 | _column = 0; |
dreschpe | 0:de9d1462a835 | 24 | _row++; |
dreschpe | 0:de9d1462a835 | 25 | if(_row >= rows()) { |
dreschpe | 0:de9d1462a835 | 26 | _row = 0; |
dreschpe | 0:de9d1462a835 | 27 | } |
dreschpe | 0:de9d1462a835 | 28 | } else { |
dreschpe | 0:de9d1462a835 | 29 | character(_column, _row, value); |
dreschpe | 0:de9d1462a835 | 30 | _column++; |
dreschpe | 0:de9d1462a835 | 31 | if(_column >= columns()) { |
dreschpe | 0:de9d1462a835 | 32 | _column = 0; |
dreschpe | 0:de9d1462a835 | 33 | _row++; |
dreschpe | 0:de9d1462a835 | 34 | if(_row >= rows()) { |
dreschpe | 0:de9d1462a835 | 35 | _row = 0; |
dreschpe | 0:de9d1462a835 | 36 | } |
dreschpe | 0:de9d1462a835 | 37 | } |
dreschpe | 0:de9d1462a835 | 38 | } |
dreschpe | 0:de9d1462a835 | 39 | return value; |
dreschpe | 0:de9d1462a835 | 40 | } |
dreschpe | 0:de9d1462a835 | 41 | |
dreschpe | 0:de9d1462a835 | 42 | // crude cls implementation, should generally be overwritten in derived class |
WiredHome | 19:3f82c1161fd2 | 43 | RetCode_t TextDisplay::cls() |
WiredHome | 19:3f82c1161fd2 | 44 | { |
dreschpe | 0:de9d1462a835 | 45 | locate(0, 0); |
dreschpe | 0:de9d1462a835 | 46 | for(int i=0; i<columns()*rows(); i++) { |
dreschpe | 0:de9d1462a835 | 47 | putc(' '); |
dreschpe | 0:de9d1462a835 | 48 | } |
WiredHome | 19:3f82c1161fd2 | 49 | return noerror; |
dreschpe | 0:de9d1462a835 | 50 | } |
dreschpe | 0:de9d1462a835 | 51 | |
WiredHome | 19:3f82c1161fd2 | 52 | RetCode_t TextDisplay::locate(unsigned int column, unsigned int row) |
WiredHome | 19:3f82c1161fd2 | 53 | { |
dreschpe | 0:de9d1462a835 | 54 | _column = column; |
dreschpe | 0:de9d1462a835 | 55 | _row = row; |
WiredHome | 19:3f82c1161fd2 | 56 | return noerror; |
dreschpe | 0:de9d1462a835 | 57 | } |
dreschpe | 0:de9d1462a835 | 58 | |
WiredHome | 19:3f82c1161fd2 | 59 | int TextDisplay::_getc() |
WiredHome | 19:3f82c1161fd2 | 60 | { |
dreschpe | 0:de9d1462a835 | 61 | return -1; |
dreschpe | 0:de9d1462a835 | 62 | } |
WiredHome | 19:3f82c1161fd2 | 63 | |
WiredHome | 19:3f82c1161fd2 | 64 | RetCode_t TextDisplay::foreground(uint16_t colour) |
WiredHome | 19:3f82c1161fd2 | 65 | { |
dreschpe | 0:de9d1462a835 | 66 | _foreground = colour; |
WiredHome | 19:3f82c1161fd2 | 67 | return noerror; |
dreschpe | 0:de9d1462a835 | 68 | } |
dreschpe | 0:de9d1462a835 | 69 | |
WiredHome | 19:3f82c1161fd2 | 70 | RetCode_t TextDisplay::background(uint16_t colour) |
WiredHome | 19:3f82c1161fd2 | 71 | { |
dreschpe | 0:de9d1462a835 | 72 | _background = colour; |
WiredHome | 19:3f82c1161fd2 | 73 | return noerror; |
dreschpe | 0:de9d1462a835 | 74 | } |
dreschpe | 0:de9d1462a835 | 75 | |
WiredHome | 19:3f82c1161fd2 | 76 | bool TextDisplay::claim (FILE *stream) |
WiredHome | 19:3f82c1161fd2 | 77 | { |
dreschpe | 0:de9d1462a835 | 78 | if ( _path == NULL) { |
WiredHome | 19:3f82c1161fd2 | 79 | fprintf(stderr, "claim requires a name to be given in the instantiator of the TextDisplay instance!\r\n"); |
dreschpe | 0:de9d1462a835 | 80 | return false; |
dreschpe | 0:de9d1462a835 | 81 | } |
dreschpe | 0:de9d1462a835 | 82 | if (freopen(_path, "w", stream) == NULL) { |
dreschpe | 0:de9d1462a835 | 83 | // Failed, should not happen |
dreschpe | 0:de9d1462a835 | 84 | return false; |
dreschpe | 0:de9d1462a835 | 85 | } |
dreschpe | 0:de9d1462a835 | 86 | // make sure we use line buffering |
dreschpe | 0:de9d1462a835 | 87 | setvbuf(stdout, NULL, _IOLBF, columns()); |
dreschpe | 0:de9d1462a835 | 88 | return true; |
WiredHome | 19:3f82c1161fd2 | 89 | } |