Terminal.cpp

00001 /* mbed Terminal Library, for ANSI/VT200 Terminals and ecape codes
00002  * Copyright (c) 2007-2010, sford, http://mbed.org
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy
00005  * of this software and associated documentation files (the "Software"), to deal
00006  * in the Software without restriction, including without limitation the rights
00007  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008  * copies of the Software, and to permit persons to whom the Software is
00009  * furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included in
00012  * all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00020  * THE SOFTWARE.
00021  */
00022 
00023 #include "Terminal.h"
00024 
00025 #include "mbed.h"
00026 
00027 Terminal::Terminal(PinName tx, PinName rx) : Serial(tx, rx) {}
00028 
00029 void Terminal::cls() {
00030     this->printf("\033[2J");
00031 }
00032 
00033 void Terminal::locate(int column, int row) {
00034     // Cursor Home    <ESC>[{ROW};{COLUMN}H
00035     this->printf("\033[%d;%dH%c", row + 1, column + 1);
00036 }
00037 
00038 static int rgb888tobgr111(int colour) {
00039     int r = (colour >> 23) & 1;
00040     int g = (colour >> 15) & 1;
00041     int b = (colour >> 7) & 1;
00042     return (b << 2) | (g << 1) | (r << 0);
00043 }
00044 
00045 void Terminal::foreground(int colour) {
00046     // Set Attribute Mode    <ESC>[{n}m
00047     // Foreground Colours : 30 + bgr
00048     int c = 30 + rgb888tobgr111(colour);
00049     this->printf("\033[%dm", c);
00050 }
00051 
00052 void Terminal::background(int colour) {
00053     // Set Attribute Mode    <ESC>[{n}m
00054     // Background Colours : 40 + bgr
00055     int c = 40 + rgb888tobgr111(colour);
00056     this->printf("\033[%dm", c);
00057 }