mehmet gok / HSPdemoUtils

Utility library for HSP SPo2 HR demo including user interface, board support adn accelerometer.

demoUI/screen/TextDisplay.cpp@0:a12d6976d64c, 2018-12-17 (annotated)

Committer:
gmehmet
Date:
Mon Dec 17 13:58:56 2018 +0300
Revision:
0:a12d6976d64c
create and put source to HSP demo utility repo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gmehmet 0:a12d6976d64c 1 /* mbed TextDisplay Display Library Base Class
gmehmet 0:a12d6976d64c 2 * Copyright (c) 2007-2009 sford
gmehmet 0:a12d6976d64c 3 * Released under the MIT License: http://mbed.org/license/mit
gmehmet 0:a12d6976d64c 4 */
gmehmet 0:a12d6976d64c 5
gmehmet 0:a12d6976d64c 6 #include "../screen/TextDisplay.h"
gmehmet 0:a12d6976d64c 7
gmehmet 0:a12d6976d64c 8 #include <cstdarg>
gmehmet 0:a12d6976d64c 9
gmehmet 0:a12d6976d64c 10 TextDisplay::TextDisplay(const char *name){
gmehmet 0:a12d6976d64c 11 _row = 0;
gmehmet 0:a12d6976d64c 12 _column = 0;
gmehmet 0:a12d6976d64c 13
gmehmet 0:a12d6976d64c 14 if (name == NULL) {
gmehmet 0:a12d6976d64c 15 _path = NULL;
gmehmet 0:a12d6976d64c 16 } else {
gmehmet 0:a12d6976d64c 17 _path = new char[strlen(name) + 2];
gmehmet 0:a12d6976d64c 18 sprintf(_path, "/%s", name);
gmehmet 0:a12d6976d64c 19 }
gmehmet 0:a12d6976d64c 20 }
gmehmet 0:a12d6976d64c 21
gmehmet 0:a12d6976d64c 22 int TextDisplay::_putc(int value) {
gmehmet 0:a12d6976d64c 23 if(value == '\n') {
gmehmet 0:a12d6976d64c 24 _column = 0;
gmehmet 0:a12d6976d64c 25 _row++;
gmehmet 0:a12d6976d64c 26 if(_row >= rows()) {
gmehmet 0:a12d6976d64c 27 _row = 0;
gmehmet 0:a12d6976d64c 28 }
gmehmet 0:a12d6976d64c 29 } else {
gmehmet 0:a12d6976d64c 30 character(_column, _row, value);
gmehmet 0:a12d6976d64c 31 _column++;
gmehmet 0:a12d6976d64c 32 if(_column >= columns()) {
gmehmet 0:a12d6976d64c 33 _column = 0;
gmehmet 0:a12d6976d64c 34 _row++;
gmehmet 0:a12d6976d64c 35 if(_row >= rows()) {
gmehmet 0:a12d6976d64c 36 _row = 0;
gmehmet 0:a12d6976d64c 37 }
gmehmet 0:a12d6976d64c 38 }
gmehmet 0:a12d6976d64c 39 }
gmehmet 0:a12d6976d64c 40 return value;
gmehmet 0:a12d6976d64c 41 }
gmehmet 0:a12d6976d64c 42
gmehmet 0:a12d6976d64c 43 // crude cls implementation, should generally be overwritten in derived class
gmehmet 0:a12d6976d64c 44 void TextDisplay::cls() {
gmehmet 0:a12d6976d64c 45 locate(0, 0);
gmehmet 0:a12d6976d64c 46 for(int i=0; i<columns()*rows(); i++) {
gmehmet 0:a12d6976d64c 47 _putc(' ');
gmehmet 0:a12d6976d64c 48 }
gmehmet 0:a12d6976d64c 49 }
gmehmet 0:a12d6976d64c 50
gmehmet 0:a12d6976d64c 51 void TextDisplay::set_font(const unsigned char * f) {
gmehmet 0:a12d6976d64c 52 font = f;
gmehmet 0:a12d6976d64c 53 if(font==NULL) {
gmehmet 0:a12d6976d64c 54 externalfont = 0; // set display.font
gmehmet 0:a12d6976d64c 55 locate(0, 0);
gmehmet 0:a12d6976d64c 56 }
gmehmet 0:a12d6976d64c 57 else{
gmehmet 0:a12d6976d64c 58 externalfont = 1;
gmehmet 0:a12d6976d64c 59 locate(0, 0);
gmehmet 0:a12d6976d64c 60 }
gmehmet 0:a12d6976d64c 61 }
gmehmet 0:a12d6976d64c 62
gmehmet 0:a12d6976d64c 63 void TextDisplay::locate(int column, int row) {
gmehmet 0:a12d6976d64c 64 _column = column;
gmehmet 0:a12d6976d64c 65 _row = row;
gmehmet 0:a12d6976d64c 66 char_x = column;
gmehmet 0:a12d6976d64c 67 char_y = row;
gmehmet 0:a12d6976d64c 68 }
gmehmet 0:a12d6976d64c 69
gmehmet 0:a12d6976d64c 70 int TextDisplay::_getc() {
gmehmet 0:a12d6976d64c 71 return -1;
gmehmet 0:a12d6976d64c 72 }
gmehmet 0:a12d6976d64c 73
gmehmet 0:a12d6976d64c 74 void TextDisplay::foreground(uint16_t colour) {
gmehmet 0:a12d6976d64c 75 _foreground = colour;
gmehmet 0:a12d6976d64c 76 }
gmehmet 0:a12d6976d64c 77
gmehmet 0:a12d6976d64c 78 void TextDisplay::background(uint16_t colour) {
gmehmet 0:a12d6976d64c 79 _background = colour;
gmehmet 0:a12d6976d64c 80 }
gmehmet 0:a12d6976d64c 81
gmehmet 0:a12d6976d64c 82 void TextDisplay::printf(const char* format, ...) {
gmehmet 0:a12d6976d64c 83 char buffer[MAX_PRINTF_CHARS + 1] = { 0 };
gmehmet 0:a12d6976d64c 84 uint32_t iterator = 0;
gmehmet 0:a12d6976d64c 85 va_list args;
gmehmet 0:a12d6976d64c 86 va_start(args, format);
gmehmet 0:a12d6976d64c 87 vsprintf(buffer, format, args);
gmehmet 0:a12d6976d64c 88 va_end(args);
gmehmet 0:a12d6976d64c 89
gmehmet 0:a12d6976d64c 90 while((buffer[iterator] != 0) && (iterator < MAX_PRINTF_CHARS)) {
gmehmet 0:a12d6976d64c 91 _putc(buffer[iterator++]);
gmehmet 0:a12d6976d64c 92 }
gmehmet 0:a12d6976d64c 93 }