Terminal.cpp

00001 #include "mbed.h"
00002 #include "Terminal.h"
00003 #include "MTSLog.h"
00004 
00005 using namespace mts;
00006 
00007 Terminal::Terminal(MTSBufferedIO* io) : io(io), index(0)
00008 {
00009     terminal = new MTSSerial(USBTX, USBRX);
00010 }
00011 
00012 Terminal::~Terminal()
00013 {
00014     delete terminal; 
00015 }
00016 
00017 void Terminal::start()
00018 {
00019     //Setup terminal session
00020     logInfo("Starting Terminal Mode.\n\r");
00021     char buffer[256];
00022     bool running = true;
00023 
00024     //Run terminal session
00025     while (running) {
00026         //Write terminal data to interface
00027         int terminalRead = terminal->readable();
00028         terminal->read(buffer, terminalRead);
00029         io->write(buffer, terminalRead);
00030         
00031         //Check for exit condition
00032         for (int i = 0; i < terminalRead; i++) {
00033             if (index < (exitMsg.size() - 1)) {
00034                 if(buffer[i] == exitMsg[index]) {
00035                     index++;
00036                 } else {
00037                     index = 0;
00038                 }
00039             } else {
00040                 running = false;
00041                 wait(.1);
00042             }
00043         }
00044         
00045         //Write interface data to the terminal
00046         int ioRead = io->readable();
00047         io->read(buffer, ioRead);
00048         terminal->write(buffer, ioRead);
00049     }
00050     
00051     //Cleanup and return
00052     io->txClear();
00053     io->rxClear();
00054     logInfo("\n\rExited Terminal Mode.\n\r");
00055 }