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@0:a0faa86660d4, 2015-03-18 (annotated)
- Committer:
- Steven Cooreman
- Date:
- Wed Mar 18 10:57:16 2015 -0500
- Revision:
- 0:a0faa86660d4
- Child:
- 4:b02dfd360729
Initial commit
Who changed what in which revision?
User | Revision | Line number | New 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 | |
Steven Cooreman |
0:a0faa86660d4 | 6 | #include "TextDisplay.h" |
Steven Cooreman |
0:a0faa86660d4 | 7 | #include <cstdarg> |
Steven Cooreman |
0:a0faa86660d4 | 8 | |
Steven Cooreman |
0:a0faa86660d4 | 9 | TextDisplay::TextDisplay(const char *name){ |
Steven Cooreman |
0:a0faa86660d4 | 10 | _row = 0; |
Steven Cooreman |
0:a0faa86660d4 | 11 | _column = 0; |
Steven Cooreman |
0:a0faa86660d4 | 12 | |
Steven Cooreman |
0:a0faa86660d4 | 13 | if (name == NULL) { |
Steven Cooreman |
0:a0faa86660d4 | 14 | _path = NULL; |
Steven Cooreman |
0:a0faa86660d4 | 15 | } else { |
Steven Cooreman |
0:a0faa86660d4 | 16 | _path = new char[strlen(name) + 2]; |
Steven Cooreman |
0:a0faa86660d4 | 17 | sprintf(_path, "/%s", name); |
Steven Cooreman |
0:a0faa86660d4 | 18 | } |
Steven Cooreman |
0:a0faa86660d4 | 19 | } |
Steven Cooreman |
0:a0faa86660d4 | 20 | |
Steven Cooreman |
0:a0faa86660d4 | 21 | int TextDisplay::_putc(int value) { |
Steven Cooreman |
0:a0faa86660d4 | 22 | if(value == '\n') { |
Steven Cooreman |
0:a0faa86660d4 | 23 | _column = 0; |
Steven Cooreman |
0:a0faa86660d4 | 24 | _row++; |
Steven Cooreman |
0:a0faa86660d4 | 25 | if(_row >= rows()) { |
Steven Cooreman |
0:a0faa86660d4 | 26 | _row = 0; |
Steven Cooreman |
0:a0faa86660d4 | 27 | } |
Steven Cooreman |
0:a0faa86660d4 | 28 | } else { |
Steven Cooreman |
0:a0faa86660d4 | 29 | character(_column, _row, value); |
Steven Cooreman |
0:a0faa86660d4 | 30 | _column++; |
Steven Cooreman |
0:a0faa86660d4 | 31 | if(_column >= columns()) { |
Steven Cooreman |
0:a0faa86660d4 | 32 | _column = 0; |
Steven Cooreman |
0:a0faa86660d4 | 33 | _row++; |
Steven Cooreman |
0:a0faa86660d4 | 34 | if(_row >= rows()) { |
Steven Cooreman |
0:a0faa86660d4 | 35 | _row = 0; |
Steven Cooreman |
0:a0faa86660d4 | 36 | } |
Steven Cooreman |
0:a0faa86660d4 | 37 | } |
Steven Cooreman |
0:a0faa86660d4 | 38 | } |
Steven Cooreman |
0:a0faa86660d4 | 39 | return value; |
Steven Cooreman |
0:a0faa86660d4 | 40 | } |
Steven Cooreman |
0:a0faa86660d4 | 41 | |
Steven Cooreman |
0:a0faa86660d4 | 42 | // crude cls implementation, should generally be overwritten in derived class |
Steven Cooreman |
0:a0faa86660d4 | 43 | void TextDisplay::cls() { |
Steven Cooreman |
0:a0faa86660d4 | 44 | locate(0, 0); |
Steven Cooreman |
0:a0faa86660d4 | 45 | for(int i=0; i<columns()*rows(); i++) { |
Steven Cooreman |
0:a0faa86660d4 | 46 | _putc(' '); |
Steven Cooreman |
0:a0faa86660d4 | 47 | } |
Steven Cooreman |
0:a0faa86660d4 | 48 | } |
Steven Cooreman |
0:a0faa86660d4 | 49 | |
Steven Cooreman |
0:a0faa86660d4 | 50 | void TextDisplay::locate(int column, int row) { |
Steven Cooreman |
0:a0faa86660d4 | 51 | _column = column; |
Steven Cooreman |
0:a0faa86660d4 | 52 | _row = row; |
Steven Cooreman |
0:a0faa86660d4 | 53 | } |
Steven Cooreman |
0:a0faa86660d4 | 54 | |
Steven Cooreman |
0:a0faa86660d4 | 55 | int TextDisplay::_getc() { |
Steven Cooreman |
0:a0faa86660d4 | 56 | return -1; |
Steven Cooreman |
0:a0faa86660d4 | 57 | } |
Steven Cooreman |
0:a0faa86660d4 | 58 | |
Steven Cooreman |
0:a0faa86660d4 | 59 | void TextDisplay::foreground(uint16_t colour) { |
Steven Cooreman |
0:a0faa86660d4 | 60 | _foreground = colour; |
Steven Cooreman |
0:a0faa86660d4 | 61 | } |
Steven Cooreman |
0:a0faa86660d4 | 62 | |
Steven Cooreman |
0:a0faa86660d4 | 63 | void TextDisplay::background(uint16_t colour) { |
Steven Cooreman |
0:a0faa86660d4 | 64 | _background = colour; |
Steven Cooreman |
0:a0faa86660d4 | 65 | } |
Steven Cooreman |
0:a0faa86660d4 | 66 | |
Steven Cooreman |
0:a0faa86660d4 | 67 | bool TextDisplay::claim (FILE *stream) { |
Steven Cooreman |
0:a0faa86660d4 | 68 | if ( _path == NULL) { |
Steven Cooreman |
0:a0faa86660d4 | 69 | fprintf(stderr, "claim requires a name to be given in the instantiator of the TextDisplay instance!\r\n"); |
Steven Cooreman |
0:a0faa86660d4 | 70 | return false; |
Steven Cooreman |
0:a0faa86660d4 | 71 | } |
Steven Cooreman |
0:a0faa86660d4 | 72 | if (freopen(_path, "w", stream) == NULL) { |
Steven Cooreman |
0:a0faa86660d4 | 73 | // Failed, should not happen |
Steven Cooreman |
0:a0faa86660d4 | 74 | return false; |
Steven Cooreman |
0:a0faa86660d4 | 75 | } |
Steven Cooreman |
0:a0faa86660d4 | 76 | // make sure we use line buffering |
Steven Cooreman |
0:a0faa86660d4 | 77 | setvbuf(stdout, NULL, _IOLBF, columns()); |
Steven Cooreman |
0:a0faa86660d4 | 78 | return true; |
Steven Cooreman |
0:a0faa86660d4 | 79 | } |
Steven Cooreman |
0:a0faa86660d4 | 80 | |
Steven Cooreman |
0:a0faa86660d4 | 81 | void TextDisplay::printf(const char* format, ...) { |
Steven Cooreman |
0:a0faa86660d4 | 82 | char buffer[MAX_PRINTF_CHARS + 1] = { 0 }; |
Steven Cooreman |
0:a0faa86660d4 | 83 | uint32_t iterator = 0; |
Steven Cooreman |
0:a0faa86660d4 | 84 | va_list args; |
Steven Cooreman |
0:a0faa86660d4 | 85 | va_start(args, format); |
Steven Cooreman |
0:a0faa86660d4 | 86 | vsprintf(buffer, format, args); |
Steven Cooreman |
0:a0faa86660d4 | 87 | va_end(args); |
Steven Cooreman |
0:a0faa86660d4 | 88 | |
Steven Cooreman |
0:a0faa86660d4 | 89 | while((buffer[iterator] != 0) && (iterator < MAX_PRINTF_CHARS)) { |
Steven Cooreman |
0:a0faa86660d4 | 90 | _putc(buffer[iterator++]); |
Steven Cooreman |
0:a0faa86660d4 | 91 | } |
Steven Cooreman |
0:a0faa86660d4 | 92 | } |