Juan Loreto / Mbed 2 deprecated Nucleo-F411RE-LGDP4535_TFT_Demo

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Dependencies:   mbed

Graphics/TextDisplay.cpp@0:e67bf8f398ee, 2015-08-23 (annotated)

Committer:
jloreto
Date:
Sun Aug 23 15:50:19 2015 +0000
Revision:
0:e67bf8f398ee
This program is to test MCU Friend shield based on LGDP4535 in Nucleo-F411RE board.; Libraries modified from Unigraphic Library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jloreto 0:e67bf8f398ee 1 /* mbed TextDisplay Display Library Base Class
jloreto 0:e67bf8f398ee 2 * Copyright (c) 2007-2009 sford
jloreto 0:e67bf8f398ee 3 * Released under the MIT License: http://mbed.org/license/mit
jloreto 0:e67bf8f398ee 4 */
jloreto 0:e67bf8f398ee 5
jloreto 0:e67bf8f398ee 6 #include "TextDisplay.h"
jloreto 0:e67bf8f398ee 7
jloreto 0:e67bf8f398ee 8 TextDisplay::TextDisplay(const char *name) : Stream(name){
jloreto 0:e67bf8f398ee 9 _row = 0;
jloreto 0:e67bf8f398ee 10 _column = 0;
jloreto 0:e67bf8f398ee 11 if (name == NULL) {
jloreto 0:e67bf8f398ee 12 _path = NULL;
jloreto 0:e67bf8f398ee 13 } else {
jloreto 0:e67bf8f398ee 14 _path = new char[strlen(name) + 2];
jloreto 0:e67bf8f398ee 15 sprintf(_path, "/%s", name);
jloreto 0:e67bf8f398ee 16 }
jloreto 0:e67bf8f398ee 17 }
jloreto 0:e67bf8f398ee 18
jloreto 0:e67bf8f398ee 19 int TextDisplay::_putc(int value) {
jloreto 0:e67bf8f398ee 20 if(value == '\n') {
jloreto 0:e67bf8f398ee 21 _column = 0;
jloreto 0:e67bf8f398ee 22 _row++;
jloreto 0:e67bf8f398ee 23 if(_row >= rows()) {
jloreto 0:e67bf8f398ee 24 _row = 0;
jloreto 0:e67bf8f398ee 25 }
jloreto 0:e67bf8f398ee 26 } else {
jloreto 0:e67bf8f398ee 27 character(_column, _row, value);
jloreto 0:e67bf8f398ee 28 _column++;
jloreto 0:e67bf8f398ee 29 if(_column >= columns()) {
jloreto 0:e67bf8f398ee 30 _column = 0;
jloreto 0:e67bf8f398ee 31 _row++;
jloreto 0:e67bf8f398ee 32 if(_row >= rows()) {
jloreto 0:e67bf8f398ee 33 _row = 0;
jloreto 0:e67bf8f398ee 34 }
jloreto 0:e67bf8f398ee 35 }
jloreto 0:e67bf8f398ee 36 }
jloreto 0:e67bf8f398ee 37 return value;
jloreto 0:e67bf8f398ee 38 }
jloreto 0:e67bf8f398ee 39
jloreto 0:e67bf8f398ee 40 // crude cls implementation, should generally be overwritten in derived class
jloreto 0:e67bf8f398ee 41 void TextDisplay::cls() {
jloreto 0:e67bf8f398ee 42 locate(0, 0);
jloreto 0:e67bf8f398ee 43 for(int i=0; i<columns()*rows(); i++) {
jloreto 0:e67bf8f398ee 44 putc(' ');
jloreto 0:e67bf8f398ee 45 }
jloreto 0:e67bf8f398ee 46 }
jloreto 0:e67bf8f398ee 47
jloreto 0:e67bf8f398ee 48 void TextDisplay::locate(int column, int row) {
jloreto 0:e67bf8f398ee 49 _column = column;
jloreto 0:e67bf8f398ee 50 _row = row;
jloreto 0:e67bf8f398ee 51 }
jloreto 0:e67bf8f398ee 52
jloreto 0:e67bf8f398ee 53 int TextDisplay::_getc() {
jloreto 0:e67bf8f398ee 54 return -1;
jloreto 0:e67bf8f398ee 55 }
jloreto 0:e67bf8f398ee 56
jloreto 0:e67bf8f398ee 57 void TextDisplay::foreground(uint16_t colour) {
jloreto 0:e67bf8f398ee 58 _foreground = colour;
jloreto 0:e67bf8f398ee 59 }
jloreto 0:e67bf8f398ee 60
jloreto 0:e67bf8f398ee 61 void TextDisplay::background(uint16_t colour) {
jloreto 0:e67bf8f398ee 62 _background = colour;
jloreto 0:e67bf8f398ee 63 }
jloreto 0:e67bf8f398ee 64
jloreto 0:e67bf8f398ee 65 bool TextDisplay::claim (FILE *stream) {
jloreto 0:e67bf8f398ee 66 if ( _path == NULL) {
jloreto 0:e67bf8f398ee 67 fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n");
jloreto 0:e67bf8f398ee 68 return false;
jloreto 0:e67bf8f398ee 69 }
jloreto 0:e67bf8f398ee 70 if (freopen(_path, "w", stream) == NULL) {
jloreto 0:e67bf8f398ee 71 // Failed, should not happen
jloreto 0:e67bf8f398ee 72 return false;
jloreto 0:e67bf8f398ee 73 }
jloreto 0:e67bf8f398ee 74 // make sure we use line buffering
jloreto 0:e67bf8f398ee 75 setvbuf(stdout, NULL, _IOLBF, columns());
jloreto 0:e67bf8f398ee 76 return true;
jloreto 0:e67bf8f398ee 77 }