Marcel Visser
/
DisplayBRW
brw1
RA8875/TextDisplay.cpp@0:a115ff47d1c1, 2015-11-30 (annotated)
- Committer:
- reiniermarcel
- Date:
- Mon Nov 30 11:13:18 2015 +0000
- Revision:
- 0:a115ff47d1c1
ok
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
reiniermarcel | 0:a115ff47d1c1 | 1 | /* mbed TextDisplay Display Library Base Class |
reiniermarcel | 0:a115ff47d1c1 | 2 | * Copyright (c) 2007-2009 sford |
reiniermarcel | 0:a115ff47d1c1 | 3 | * Released under the MIT License: http://mbed.org/license/mit |
reiniermarcel | 0:a115ff47d1c1 | 4 | */ |
reiniermarcel | 0:a115ff47d1c1 | 5 | |
reiniermarcel | 0:a115ff47d1c1 | 6 | #include "TextDisplay.h" |
reiniermarcel | 0:a115ff47d1c1 | 7 | |
reiniermarcel | 0:a115ff47d1c1 | 8 | //#define DEBUG "Text" |
reiniermarcel | 0:a115ff47d1c1 | 9 | // ... |
reiniermarcel | 0:a115ff47d1c1 | 10 | // INFO("Stuff to show %d", var); // new-line is automatically appended |
reiniermarcel | 0:a115ff47d1c1 | 11 | // |
reiniermarcel | 0:a115ff47d1c1 | 12 | #if (defined(DEBUG) && !defined(TARGET_LPC11U24)) |
reiniermarcel | 0:a115ff47d1c1 | 13 | #define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
reiniermarcel | 0:a115ff47d1c1 | 14 | #define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
reiniermarcel | 0:a115ff47d1c1 | 15 | #define ERR(x, ...) std::printf("[ERR %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__); |
reiniermarcel | 0:a115ff47d1c1 | 16 | #else |
reiniermarcel | 0:a115ff47d1c1 | 17 | #define INFO(x, ...) |
reiniermarcel | 0:a115ff47d1c1 | 18 | #define WARN(x, ...) |
reiniermarcel | 0:a115ff47d1c1 | 19 | #define ERR(x, ...) |
reiniermarcel | 0:a115ff47d1c1 | 20 | #endif |
reiniermarcel | 0:a115ff47d1c1 | 21 | |
reiniermarcel | 0:a115ff47d1c1 | 22 | TextDisplay::TextDisplay(const char *name) : Stream(name) |
reiniermarcel | 0:a115ff47d1c1 | 23 | { |
reiniermarcel | 0:a115ff47d1c1 | 24 | _row = 0; |
reiniermarcel | 0:a115ff47d1c1 | 25 | _column = 0; |
reiniermarcel | 0:a115ff47d1c1 | 26 | if (name == NULL) { |
reiniermarcel | 0:a115ff47d1c1 | 27 | _path = NULL; |
reiniermarcel | 0:a115ff47d1c1 | 28 | } else { |
reiniermarcel | 0:a115ff47d1c1 | 29 | _path = new char[strlen(name) + 2]; |
reiniermarcel | 0:a115ff47d1c1 | 30 | sprintf(_path, "/%s", name); |
reiniermarcel | 0:a115ff47d1c1 | 31 | } |
reiniermarcel | 0:a115ff47d1c1 | 32 | } |
reiniermarcel | 0:a115ff47d1c1 | 33 | |
reiniermarcel | 0:a115ff47d1c1 | 34 | int TextDisplay::_putc(int value) |
reiniermarcel | 0:a115ff47d1c1 | 35 | { |
reiniermarcel | 0:a115ff47d1c1 | 36 | INFO("_putc(%d)", value); |
reiniermarcel | 0:a115ff47d1c1 | 37 | if(value == '\n') { |
reiniermarcel | 0:a115ff47d1c1 | 38 | _column = 0; |
reiniermarcel | 0:a115ff47d1c1 | 39 | _row++; |
reiniermarcel | 0:a115ff47d1c1 | 40 | if(_row >= rows()) { |
reiniermarcel | 0:a115ff47d1c1 | 41 | _row = 0; |
reiniermarcel | 0:a115ff47d1c1 | 42 | } |
reiniermarcel | 0:a115ff47d1c1 | 43 | } else { |
reiniermarcel | 0:a115ff47d1c1 | 44 | character(_column, _row, value); |
reiniermarcel | 0:a115ff47d1c1 | 45 | _column++; |
reiniermarcel | 0:a115ff47d1c1 | 46 | if(_column >= columns()) { |
reiniermarcel | 0:a115ff47d1c1 | 47 | _column = 0; |
reiniermarcel | 0:a115ff47d1c1 | 48 | _row++; |
reiniermarcel | 0:a115ff47d1c1 | 49 | if(_row >= rows()) { |
reiniermarcel | 0:a115ff47d1c1 | 50 | _row = 0; |
reiniermarcel | 0:a115ff47d1c1 | 51 | } |
reiniermarcel | 0:a115ff47d1c1 | 52 | } |
reiniermarcel | 0:a115ff47d1c1 | 53 | } |
reiniermarcel | 0:a115ff47d1c1 | 54 | return value; |
reiniermarcel | 0:a115ff47d1c1 | 55 | } |
reiniermarcel | 0:a115ff47d1c1 | 56 | |
reiniermarcel | 0:a115ff47d1c1 | 57 | // crude cls implementation, should generally be overwritten in derived class |
reiniermarcel | 0:a115ff47d1c1 | 58 | RetCode_t TextDisplay::cls(uint16_t layers) |
reiniermarcel | 0:a115ff47d1c1 | 59 | { |
reiniermarcel | 0:a115ff47d1c1 | 60 | INFO("cls()"); |
reiniermarcel | 0:a115ff47d1c1 | 61 | locate(0, 0); |
reiniermarcel | 0:a115ff47d1c1 | 62 | for(int i=0; i<columns()*rows(); i++) { |
reiniermarcel | 0:a115ff47d1c1 | 63 | putc(' '); |
reiniermarcel | 0:a115ff47d1c1 | 64 | } |
reiniermarcel | 0:a115ff47d1c1 | 65 | return noerror; |
reiniermarcel | 0:a115ff47d1c1 | 66 | } |
reiniermarcel | 0:a115ff47d1c1 | 67 | |
reiniermarcel | 0:a115ff47d1c1 | 68 | RetCode_t TextDisplay::locate(textloc_t column, textloc_t row) |
reiniermarcel | 0:a115ff47d1c1 | 69 | { |
reiniermarcel | 0:a115ff47d1c1 | 70 | INFO("locate(%d,%d)", column, row); |
reiniermarcel | 0:a115ff47d1c1 | 71 | _column = column; |
reiniermarcel | 0:a115ff47d1c1 | 72 | _row = row; |
reiniermarcel | 0:a115ff47d1c1 | 73 | return noerror; |
reiniermarcel | 0:a115ff47d1c1 | 74 | } |
reiniermarcel | 0:a115ff47d1c1 | 75 | |
reiniermarcel | 0:a115ff47d1c1 | 76 | int TextDisplay::_getc() |
reiniermarcel | 0:a115ff47d1c1 | 77 | { |
reiniermarcel | 0:a115ff47d1c1 | 78 | return -1; |
reiniermarcel | 0:a115ff47d1c1 | 79 | } |
reiniermarcel | 0:a115ff47d1c1 | 80 | |
reiniermarcel | 0:a115ff47d1c1 | 81 | RetCode_t TextDisplay::foreground(uint16_t color) |
reiniermarcel | 0:a115ff47d1c1 | 82 | { |
reiniermarcel | 0:a115ff47d1c1 | 83 | //INFO("foreground(%4X)", color); |
reiniermarcel | 0:a115ff47d1c1 | 84 | _foreground = color; |
reiniermarcel | 0:a115ff47d1c1 | 85 | return noerror; |
reiniermarcel | 0:a115ff47d1c1 | 86 | } |
reiniermarcel | 0:a115ff47d1c1 | 87 | |
reiniermarcel | 0:a115ff47d1c1 | 88 | RetCode_t TextDisplay::background(uint16_t color) |
reiniermarcel | 0:a115ff47d1c1 | 89 | { |
reiniermarcel | 0:a115ff47d1c1 | 90 | //INFO("background(%4X)", color); |
reiniermarcel | 0:a115ff47d1c1 | 91 | _background = color; |
reiniermarcel | 0:a115ff47d1c1 | 92 | return noerror; |
reiniermarcel | 0:a115ff47d1c1 | 93 | } |
reiniermarcel | 0:a115ff47d1c1 | 94 | |
reiniermarcel | 0:a115ff47d1c1 | 95 | bool TextDisplay::claim(FILE *stream) |
reiniermarcel | 0:a115ff47d1c1 | 96 | { |
reiniermarcel | 0:a115ff47d1c1 | 97 | if ( _path == NULL) { |
reiniermarcel | 0:a115ff47d1c1 | 98 | fprintf(stderr, "claim requires a name to be given in the instantiator of the TextDisplay instance!\r\n"); |
reiniermarcel | 0:a115ff47d1c1 | 99 | return false; |
reiniermarcel | 0:a115ff47d1c1 | 100 | } |
reiniermarcel | 0:a115ff47d1c1 | 101 | if (freopen(_path, "w", stream) == NULL) { |
reiniermarcel | 0:a115ff47d1c1 | 102 | return false; // Failed, should not happen |
reiniermarcel | 0:a115ff47d1c1 | 103 | } |
reiniermarcel | 0:a115ff47d1c1 | 104 | // make sure we use line buffering |
reiniermarcel | 0:a115ff47d1c1 | 105 | setvbuf(stdout, NULL, _IOLBF, columns()); |
reiniermarcel | 0:a115ff47d1c1 | 106 | return true; |
reiniermarcel | 0:a115ff47d1c1 | 107 | } |
reiniermarcel | 0:a115ff47d1c1 | 108 |