Terminal interface for communicating with serial ANSI/VT100 terminals

Dependents:   Terminal_HelloWorld geigercounter01 geigercounter04 DiscoTech ... more

Terminal.cpp

Committer:
simon
Date:
2009-12-31
Revision:
0:2bf27af3c759
Child:
1:96ae39e58792

File content as of revision 0:2bf27af3c759:

/* mbed ANSI/VT100 Terminal Library
 * Copyright (c) 2007-2009 sford
 * Released under the MIT License: http://mbed.org/license/mit
 */

#include "Terminal.h"

#include "mbed.h"

Terminal::Terminal(PinName tx, PinName rx) : Serial(tx, rx) {}

void Terminal::cls() {
    this->printf("\033[2J");
}

void Terminal::locate(int column, int row) {
    // Cursor Home    <ESC>[{ROW};{COLUMN}H
    this->printf("\033[%d;%dH%c", row + 1, column + 1);
}

static int rgb888tobgr111(int colour) {
    int r = (colour >> 23) & 1;
    int g = (colour >> 15) & 1;
    int b = (colour >> 7) & 1;
    return (b << 2) | (g << 1) | (r << 0);
}

void Terminal::foreground(int colour) {
    // Set Attribute Mode    <ESC>[{n}m
    // Foreground Colours : 30 + bgr
    int c = 30 + rgb888tobgr111(colour);
    this->printf("\033[%dm", c);
}

void Terminal::background(int colour) {
    // Set Attribute Mode    <ESC>[{n}m
    // Background Colours : 40 + bgr
    int c = 40 + rgb888tobgr111(colour);
    this->printf("\033[%dm", c);
}