Imayan chan / SPI_TFT_ILI9341ext

aitendo SX032QVGA008 TFT(ILI9341) w/resistive Touch panel.

Dependents:   SX032QVGA008

TextDisplay.cpp@0:65f206d9f71f, 2015-04-14 (annotated)

Committer:
king33jp
Date:
Tue Apr 14 05:49:05 2015 +0000
Revision:
0:65f206d9f71f
Open for my friends Yoshi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
king33jp 0:65f206d9f71f 1 /* mbed TextDisplay Display Library Base Class
king33jp 0:65f206d9f71f 2 * Copyright (c) 2007-2009 sford
king33jp 0:65f206d9f71f 3 * Released under the MIT License: http://mbed.org/license/mit
king33jp 0:65f206d9f71f 4 */
king33jp 0:65f206d9f71f 5
king33jp 0:65f206d9f71f 6 #include "TextDisplay.h"
king33jp 0:65f206d9f71f 7
king33jp 0:65f206d9f71f 8 TextDisplay::TextDisplay(const char *name) : Stream(name){
king33jp 0:65f206d9f71f 9 _row = 0;
king33jp 0:65f206d9f71f 10 _column = 0;
king33jp 0:65f206d9f71f 11 if (name == NULL) {
king33jp 0:65f206d9f71f 12 _path = NULL;
king33jp 0:65f206d9f71f 13 } else {
king33jp 0:65f206d9f71f 14 _path = new char[strlen(name) + 2];
king33jp 0:65f206d9f71f 15 sprintf(_path, "/%s", name);
king33jp 0:65f206d9f71f 16 }
king33jp 0:65f206d9f71f 17 }
king33jp 0:65f206d9f71f 18
king33jp 0:65f206d9f71f 19 int TextDisplay::_putc(int value) {
king33jp 0:65f206d9f71f 20 if(value == '\n') {
king33jp 0:65f206d9f71f 21 _column = 0;
king33jp 0:65f206d9f71f 22 _row++;
king33jp 0:65f206d9f71f 23 if(_row >= rows()) {
king33jp 0:65f206d9f71f 24 _row = 0;
king33jp 0:65f206d9f71f 25 }
king33jp 0:65f206d9f71f 26 } else {
king33jp 0:65f206d9f71f 27 character(_column, _row, value);
king33jp 0:65f206d9f71f 28 _column++;
king33jp 0:65f206d9f71f 29 if(_column >= columns()) {
king33jp 0:65f206d9f71f 30 _column = 0;
king33jp 0:65f206d9f71f 31 _row++;
king33jp 0:65f206d9f71f 32 if(_row >= rows()) {
king33jp 0:65f206d9f71f 33 _row = 0;
king33jp 0:65f206d9f71f 34 }
king33jp 0:65f206d9f71f 35 }
king33jp 0:65f206d9f71f 36 }
king33jp 0:65f206d9f71f 37 return value;
king33jp 0:65f206d9f71f 38 }
king33jp 0:65f206d9f71f 39
king33jp 0:65f206d9f71f 40 // crude cls implementation, should generally be overwritten in derived class
king33jp 0:65f206d9f71f 41 void TextDisplay::cls() {
king33jp 0:65f206d9f71f 42 locate(0, 0);
king33jp 0:65f206d9f71f 43 for(int i=0; i<columns()*rows(); i++) {
king33jp 0:65f206d9f71f 44 putc(' ');
king33jp 0:65f206d9f71f 45 }
king33jp 0:65f206d9f71f 46 }
king33jp 0:65f206d9f71f 47
king33jp 0:65f206d9f71f 48 void TextDisplay::locate(int column, int row) {
king33jp 0:65f206d9f71f 49 _column = column;
king33jp 0:65f206d9f71f 50 _row = row;
king33jp 0:65f206d9f71f 51 }
king33jp 0:65f206d9f71f 52
king33jp 0:65f206d9f71f 53 int TextDisplay::_getc() {
king33jp 0:65f206d9f71f 54 return -1;
king33jp 0:65f206d9f71f 55 }
king33jp 0:65f206d9f71f 56
king33jp 0:65f206d9f71f 57 void TextDisplay::foreground(uint16_t colour) {
king33jp 0:65f206d9f71f 58 _foreground = colour;
king33jp 0:65f206d9f71f 59 }
king33jp 0:65f206d9f71f 60
king33jp 0:65f206d9f71f 61 void TextDisplay::background(uint16_t colour) {
king33jp 0:65f206d9f71f 62 _background = colour;
king33jp 0:65f206d9f71f 63 }
king33jp 0:65f206d9f71f 64
king33jp 0:65f206d9f71f 65 bool TextDisplay::claim (FILE *stream) {
king33jp 0:65f206d9f71f 66 if ( _path == NULL) {
king33jp 0:65f206d9f71f 67 fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n");
king33jp 0:65f206d9f71f 68 return false;
king33jp 0:65f206d9f71f 69 }
king33jp 0:65f206d9f71f 70 if (freopen(_path, "w", stream) == NULL) {
king33jp 0:65f206d9f71f 71 // Failed, should not happen
king33jp 0:65f206d9f71f 72 return false;
king33jp 0:65f206d9f71f 73 }
king33jp 0:65f206d9f71f 74 // make sure we use line buffering
king33jp 0:65f206d9f71f 75 setvbuf(stdout, NULL, _IOLBF, columns());
king33jp 0:65f206d9f71f 76 return true;
king33jp 0:65f206d9f71f 77 }