Tony Beck / gLCD

64x128 Graphic LCD Library

Dependencies:   LCD_fonts

Fork of C12832_lcd by Peter Drescher

TextDisplay.cpp@12:66b988c1b143, 2014-01-21 (annotated)

Committer:
tonydbeck
Date:
Tue Jan 21 22:53:24 2014 +0000
Revision:
12:66b988c1b143
Parent:
10:269eddb2b7c5 
Removed gLCD:: from set_auto_up and get_auto_up in gLCD.h as this is not required and can cause errors in offline compliers

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:4bbc531be6e2 1 /* mbed TextDisplay Display Library Base Class
dreschpe 0:4bbc531be6e2 2 * Copyright (c) 2007-2009 sford
dreschpe 0:4bbc531be6e2 3 * Released under the MIT License: http://mbed.org/license/mit
dreschpe 0:4bbc531be6e2 4 */
dreschpe 0:4bbc531be6e2 5
dreschpe 0:4bbc531be6e2 6 #include "TextDisplay.h"
dreschpe 0:4bbc531be6e2 7
dreschpe 0:4bbc531be6e2 8 TextDisplay::TextDisplay(const char *name) : Stream(name){
dreschpe 0:4bbc531be6e2 9 _row = 0;
dreschpe 0:4bbc531be6e2 10 _column = 0;
dreschpe 0:4bbc531be6e2 11 if (name == NULL) {
dreschpe 0:4bbc531be6e2 12 _path = NULL;
dreschpe 0:4bbc531be6e2 13 } else {
dreschpe 0:4bbc531be6e2 14 _path = new char[strlen(name) + 2];
dreschpe 0:4bbc531be6e2 15 sprintf(_path, "/%s", name);
dreschpe 0:4bbc531be6e2 16 }
dreschpe 0:4bbc531be6e2 17 }
dreschpe 0:4bbc531be6e2 18
dreschpe 0:4bbc531be6e2 19 int TextDisplay::_putc(int value) {
dreschpe 0:4bbc531be6e2 20 if(value == '\n') {
tonydbeck 10:269eddb2b7c5 21 _column = lastcol;
dreschpe 0:4bbc531be6e2 22 _row++;
dreschpe 0:4bbc531be6e2 23 if(_row >= rows()) {
dreschpe 0:4bbc531be6e2 24 _row = 0;
dreschpe 0:4bbc531be6e2 25 }
dreschpe 0:4bbc531be6e2 26 } else {
dreschpe 0:4bbc531be6e2 27 character(_column, _row, value);
dreschpe 0:4bbc531be6e2 28 _column++;
dreschpe 0:4bbc531be6e2 29 if(_column >= columns()) {
tonydbeck 10:269eddb2b7c5 30 _column = lastcol;
dreschpe 0:4bbc531be6e2 31 _row++;
dreschpe 0:4bbc531be6e2 32 if(_row >= rows()) {
dreschpe 0:4bbc531be6e2 33 _row = 0;
dreschpe 0:4bbc531be6e2 34 }
dreschpe 0:4bbc531be6e2 35 }
dreschpe 0:4bbc531be6e2 36 }
dreschpe 0:4bbc531be6e2 37 return value;
dreschpe 0:4bbc531be6e2 38 }
dreschpe 0:4bbc531be6e2 39
dreschpe 0:4bbc531be6e2 40 // crude cls implementation, should generally be overwritten in derived class
dreschpe 0:4bbc531be6e2 41 void TextDisplay::cls() {
dreschpe 0:4bbc531be6e2 42 locate(0, 0);
dreschpe 0:4bbc531be6e2 43 for(int i=0; i<columns()*rows(); i++) {
dreschpe 0:4bbc531be6e2 44 putc(' ');
dreschpe 0:4bbc531be6e2 45 }
dreschpe 0:4bbc531be6e2 46 }
dreschpe 0:4bbc531be6e2 47
dreschpe 0:4bbc531be6e2 48 void TextDisplay::locate(int column, int row) {
dreschpe 0:4bbc531be6e2 49 _column = column;
dreschpe 0:4bbc531be6e2 50 _row = row;
tonydbeck 10:269eddb2b7c5 51 lastcol = column;
dreschpe 0:4bbc531be6e2 52 }
dreschpe 0:4bbc531be6e2 53
dreschpe 0:4bbc531be6e2 54 int TextDisplay::_getc() {
dreschpe 0:4bbc531be6e2 55 return -1;
dreschpe 0:4bbc531be6e2 56 }
dreschpe 0:4bbc531be6e2 57
dreschpe 0:4bbc531be6e2 58 void TextDisplay::foreground(uint16_t colour) {
dreschpe 0:4bbc531be6e2 59 _foreground = colour;
dreschpe 0:4bbc531be6e2 60 }
dreschpe 0:4bbc531be6e2 61
dreschpe 0:4bbc531be6e2 62 void TextDisplay::background(uint16_t colour) {
dreschpe 0:4bbc531be6e2 63 _background = colour;
dreschpe 0:4bbc531be6e2 64 }
dreschpe 0:4bbc531be6e2 65
dreschpe 0:4bbc531be6e2 66 bool TextDisplay::claim (FILE *stream) {
dreschpe 0:4bbc531be6e2 67 if ( _path == NULL) {
dreschpe 0:4bbc531be6e2 68 fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n");
dreschpe 0:4bbc531be6e2 69 return false;
dreschpe 0:4bbc531be6e2 70 }
dreschpe 0:4bbc531be6e2 71 if (freopen(_path, "w", stream) == NULL) {
dreschpe 0:4bbc531be6e2 72 // Failed, should not happen
dreschpe 0:4bbc531be6e2 73 return false;
dreschpe 0:4bbc531be6e2 74 }
dreschpe 0:4bbc531be6e2 75 // make sure we use line buffering
dreschpe 0:4bbc531be6e2 76 setvbuf(stdout, NULL, _IOLBF, columns());
dreschpe 0:4bbc531be6e2 77 return true;
dreschpe 0:4bbc531be6e2 78 }
tonydbeck 10:269eddb2b7c5 79