Vipin Ranka / MGAS_GR_Peach

This is the final version of Mini Gateway for Automation and Security desgined for Renesas GR Peach Design Contest

Dependencies:   GR-PEACH_video GraphicsFramework HTTPServer R_BSP mbed-rpc mbed-rtos Socket lwip-eth lwip-sys lwip FATFileSystem

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

UniGraphic/Graphics/TextDisplay.cpp@12:9a20164dcc47, 2017-01-11 (annotated)

Committer:
vipinranka
Date:
Wed Jan 11 11:41:30 2017 +0000
Revision:
12:9a20164dcc47
This is the final version MGAS Project for Renesas GR Peach Design Contest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vipinranka 12:9a20164dcc47 1 /* mbed TextDisplay Display Library Base Class
vipinranka 12:9a20164dcc47 2 * Copyright (c) 2007-2009 sford
vipinranka 12:9a20164dcc47 3 * Released under the MIT License: http://mbed.org/license/mit
vipinranka 12:9a20164dcc47 4 */
vipinranka 12:9a20164dcc47 5
vipinranka 12:9a20164dcc47 6 #include "TextDisplay.h"
vipinranka 12:9a20164dcc47 7
vipinranka 12:9a20164dcc47 8 TextDisplay::TextDisplay(const char *name) : Stream(name){
vipinranka 12:9a20164dcc47 9 _row = 0;
vipinranka 12:9a20164dcc47 10 _column = 0;
vipinranka 12:9a20164dcc47 11 if (name == NULL) {
vipinranka 12:9a20164dcc47 12 _path = NULL;
vipinranka 12:9a20164dcc47 13 } else {
vipinranka 12:9a20164dcc47 14 _path = new char[strlen(name) + 2];
vipinranka 12:9a20164dcc47 15 sprintf(_path, "/%s", name);
vipinranka 12:9a20164dcc47 16 }
vipinranka 12:9a20164dcc47 17 }
vipinranka 12:9a20164dcc47 18
vipinranka 12:9a20164dcc47 19 int TextDisplay::_putc(int value) {
vipinranka 12:9a20164dcc47 20 if(value == '\n') {
vipinranka 12:9a20164dcc47 21 _column = 0;
vipinranka 12:9a20164dcc47 22 _row++;
vipinranka 12:9a20164dcc47 23 if(_row >= rows()) {
vipinranka 12:9a20164dcc47 24 _row = 0;
vipinranka 12:9a20164dcc47 25 }
vipinranka 12:9a20164dcc47 26 } else {
vipinranka 12:9a20164dcc47 27 character(_column, _row, value);
vipinranka 12:9a20164dcc47 28 _column++;
vipinranka 12:9a20164dcc47 29 if(_column >= columns()) {
vipinranka 12:9a20164dcc47 30 _column = 0;
vipinranka 12:9a20164dcc47 31 _row++;
vipinranka 12:9a20164dcc47 32 if(_row >= rows()) {
vipinranka 12:9a20164dcc47 33 _row = 0;
vipinranka 12:9a20164dcc47 34 }
vipinranka 12:9a20164dcc47 35 }
vipinranka 12:9a20164dcc47 36 }
vipinranka 12:9a20164dcc47 37 return value;
vipinranka 12:9a20164dcc47 38 }
vipinranka 12:9a20164dcc47 39
vipinranka 12:9a20164dcc47 40 // crude cls implementation, should generally be overwritten in derived class
vipinranka 12:9a20164dcc47 41 void TextDisplay::cls() {
vipinranka 12:9a20164dcc47 42 locate(0, 0);
vipinranka 12:9a20164dcc47 43 for(int i=0; i<columns()*rows(); i++) {
vipinranka 12:9a20164dcc47 44 putc(' ');
vipinranka 12:9a20164dcc47 45 }
vipinranka 12:9a20164dcc47 46 }
vipinranka 12:9a20164dcc47 47
vipinranka 12:9a20164dcc47 48 void TextDisplay::locate(int column, int row) {
vipinranka 12:9a20164dcc47 49 _column = column;
vipinranka 12:9a20164dcc47 50 _row = row;
vipinranka 12:9a20164dcc47 51 }
vipinranka 12:9a20164dcc47 52
vipinranka 12:9a20164dcc47 53 int TextDisplay::_getc() {
vipinranka 12:9a20164dcc47 54 return -1;
vipinranka 12:9a20164dcc47 55 }
vipinranka 12:9a20164dcc47 56
vipinranka 12:9a20164dcc47 57 void TextDisplay::foreground(uint16_t colour) {
vipinranka 12:9a20164dcc47 58 _foreground = colour;
vipinranka 12:9a20164dcc47 59 }
vipinranka 12:9a20164dcc47 60
vipinranka 12:9a20164dcc47 61 void TextDisplay::background(uint16_t colour) {
vipinranka 12:9a20164dcc47 62 _background = colour;
vipinranka 12:9a20164dcc47 63 }
vipinranka 12:9a20164dcc47 64
vipinranka 12:9a20164dcc47 65 bool TextDisplay::claim (FILE *stream) {
vipinranka 12:9a20164dcc47 66 if ( _path == NULL) {
vipinranka 12:9a20164dcc47 67 fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n");
vipinranka 12:9a20164dcc47 68 return false;
vipinranka 12:9a20164dcc47 69 }
vipinranka 12:9a20164dcc47 70 if (freopen(_path, "w", stream) == NULL) {
vipinranka 12:9a20164dcc47 71 // Failed, should not happen
vipinranka 12:9a20164dcc47 72 return false;
vipinranka 12:9a20164dcc47 73 }
vipinranka 12:9a20164dcc47 74 // make sure we use line buffering
vipinranka 12:9a20164dcc47 75 setvbuf(stdout, NULL, _IOLBF, columns());
vipinranka 12:9a20164dcc47 76 return true;
vipinranka 12:9a20164dcc47 77 }