mehmet gok / MemoryLCD

Fork of Silabs MemoryLCD library

Dependents:   demoUI whrmDemoUI Host_Software_MAX32664GWEB_HR_EXTENDED Host_Software_MAX32664GWEC_SpO2_HR-_EXTE ... more

C++ library for Sharp Microelectronics 1.28 inch LCD TFT, LS013B7DH03, SPI bus. Forked from Silicon Labs MemoryLCD display driver.

TextDisplay.cpp@12:ca0bcb4777e9, 2019-01-02 (annotated)

Committer:
gmehmet
Date:
Wed Jan 02 13:20:35 2019 +0300
Revision:
12:ca0bcb4777e9
Parent:
11:0f8ae10b308d 
adapt memorylcd code to use it with maxim boards

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Steven Cooreman 0:a0faa86660d4 1 /* mbed TextDisplay Display Library Base Class
Steven Cooreman 0:a0faa86660d4 2 * Copyright (c) 2007-2009 sford
Steven Cooreman 0:a0faa86660d4 3 * Released under the MIT License: http://mbed.org/license/mit
Steven Cooreman 0:a0faa86660d4 4 */
Steven Cooreman 0:a0faa86660d4 5
gmehmet 12:ca0bcb4777e9 6 #include "../screen/TextDisplay.h"
gmehmet 12:ca0bcb4777e9 7
Steven Cooreman 0:a0faa86660d4 8 #include <cstdarg>
Steven Cooreman 0:a0faa86660d4 9
Steven Cooreman 0:a0faa86660d4 10 TextDisplay::TextDisplay(const char *name){
Steven Cooreman 0:a0faa86660d4 11 _row = 0;
Steven Cooreman 0:a0faa86660d4 12 _column = 0;
Steven Cooreman 0:a0faa86660d4 13
Steven Cooreman 0:a0faa86660d4 14 if (name == NULL) {
Steven Cooreman 0:a0faa86660d4 15 _path = NULL;
Steven Cooreman 0:a0faa86660d4 16 } else {
Steven Cooreman 0:a0faa86660d4 17 _path = new char[strlen(name) + 2];
Steven Cooreman 0:a0faa86660d4 18 sprintf(_path, "/%s", name);
Steven Cooreman 0:a0faa86660d4 19 }
Steven Cooreman 0:a0faa86660d4 20 }
Steven Cooreman 0:a0faa86660d4 21
Steven Cooreman 0:a0faa86660d4 22 int TextDisplay::_putc(int value) {
Steven Cooreman 0:a0faa86660d4 23 if(value == '\n') {
Steven Cooreman 0:a0faa86660d4 24 _column = 0;
Steven Cooreman 0:a0faa86660d4 25 _row++;
Steven Cooreman 0:a0faa86660d4 26 if(_row >= rows()) {
Steven Cooreman 0:a0faa86660d4 27 _row = 0;
Steven Cooreman 0:a0faa86660d4 28 }
Steven Cooreman 0:a0faa86660d4 29 } else {
Steven Cooreman 0:a0faa86660d4 30 character(_column, _row, value);
Steven Cooreman 0:a0faa86660d4 31 _column++;
Steven Cooreman 0:a0faa86660d4 32 if(_column >= columns()) {
Steven Cooreman 0:a0faa86660d4 33 _column = 0;
Steven Cooreman 0:a0faa86660d4 34 _row++;
Steven Cooreman 0:a0faa86660d4 35 if(_row >= rows()) {
Steven Cooreman 0:a0faa86660d4 36 _row = 0;
Steven Cooreman 0:a0faa86660d4 37 }
Steven Cooreman 0:a0faa86660d4 38 }
Steven Cooreman 0:a0faa86660d4 39 }
Steven Cooreman 0:a0faa86660d4 40 return value;
Steven Cooreman 0:a0faa86660d4 41 }
Steven Cooreman 0:a0faa86660d4 42
Steven Cooreman 0:a0faa86660d4 43 // crude cls implementation, should generally be overwritten in derived class
Steven Cooreman 0:a0faa86660d4 44 void TextDisplay::cls() {
Steven Cooreman 0:a0faa86660d4 45 locate(0, 0);
Steven Cooreman 0:a0faa86660d4 46 for(int i=0; i<columns()*rows(); i++) {
Steven Cooreman 0:a0faa86660d4 47 _putc(' ');
Steven Cooreman 0:a0faa86660d4 48 }
Steven Cooreman 0:a0faa86660d4 49 }
Steven Cooreman 0:a0faa86660d4 50
stevew817 11:0f8ae10b308d 51 void TextDisplay::set_font(const unsigned char * f) {
stevew817 11:0f8ae10b308d 52 font = f;
stevew817 11:0f8ae10b308d 53 if(font==NULL) {
stevew817 11:0f8ae10b308d 54 externalfont = 0; // set display.font
stevew817 11:0f8ae10b308d 55 locate(0, 0);
stevew817 11:0f8ae10b308d 56 }
stevew817 11:0f8ae10b308d 57 else{
stevew817 11:0f8ae10b308d 58 externalfont = 1;
stevew817 11:0f8ae10b308d 59 locate(0, 0);
stevew817 11:0f8ae10b308d 60 }
stevew817 11:0f8ae10b308d 61 }
stevew817 11:0f8ae10b308d 62
Steven Cooreman 0:a0faa86660d4 63 void TextDisplay::locate(int column, int row) {
Steven Cooreman 0:a0faa86660d4 64 _column = column;
Steven Cooreman 0:a0faa86660d4 65 _row = row;
stevew817 11:0f8ae10b308d 66 char_x = column;
stevew817 11:0f8ae10b308d 67 char_y = row;
Steven Cooreman 0:a0faa86660d4 68 }
Steven Cooreman 0:a0faa86660d4 69
Steven Cooreman 0:a0faa86660d4 70 int TextDisplay::_getc() {
Steven Cooreman 0:a0faa86660d4 71 return -1;
Steven Cooreman 0:a0faa86660d4 72 }
Steven Cooreman 0:a0faa86660d4 73
Steven Cooreman 0:a0faa86660d4 74 void TextDisplay::foreground(uint16_t colour) {
Steven Cooreman 0:a0faa86660d4 75 _foreground = colour;
Steven Cooreman 0:a0faa86660d4 76 }
Steven Cooreman 0:a0faa86660d4 77
Steven Cooreman 0:a0faa86660d4 78 void TextDisplay::background(uint16_t colour) {
Steven Cooreman 0:a0faa86660d4 79 _background = colour;
Steven Cooreman 0:a0faa86660d4 80 }
Steven Cooreman 0:a0faa86660d4 81
Steven Cooreman 0:a0faa86660d4 82 void TextDisplay::printf(const char* format, ...) {
Steven Cooreman 0:a0faa86660d4 83 char buffer[MAX_PRINTF_CHARS + 1] = { 0 };
Steven Cooreman 0:a0faa86660d4 84 uint32_t iterator = 0;
Steven Cooreman 0:a0faa86660d4 85 va_list args;
Steven Cooreman 0:a0faa86660d4 86 va_start(args, format);
Steven Cooreman 0:a0faa86660d4 87 vsprintf(buffer, format, args);
Steven Cooreman 0:a0faa86660d4 88 va_end(args);
Steven Cooreman 0:a0faa86660d4 89
Steven Cooreman 0:a0faa86660d4 90 while((buffer[iterator] != 0) && (iterator < MAX_PRINTF_CHARS)) {
Steven Cooreman 0:a0faa86660d4 91 _putc(buffer[iterator++]);
Steven Cooreman 0:a0faa86660d4 92 }
Steven Cooreman 0:a0faa86660d4 93 }