File: lpcterm.c

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lpc21isp 1.97-2
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/******************************************************************************

Project:           Portable command line ISP for NXP LPC1000 / LPC2000 family
                   and Analog Devices ADUC70xx

Filename:          lpcterm.c

Compiler:          Microsoft VC 6/7, Microsoft VS2008, Microsoft VS2010,
                   GCC Cygwin, GCC Linux, GCC ARM ELF

Author:            Martin Maurer (Martin.Maurer@clibb.de)

Copyright:         (c) Martin Maurer 2003-2014, All rights reserved
Portions Copyright (c) by Aeolus Development 2004 http://www.aeolusdevelopment.com

    This file is part of lpc21isp.

    lpc21isp is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    any later version.

    lpc21isp is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    and GNU General Public License along with lpc21isp.
    If not, see <http://www.gnu.org/licenses/>.
*/

#if defined(_WIN32)
#if !defined __BORLANDC__
#include "StdAfx.h"
#endif
#endif // defined(_WIN32)
#include "lpc21isp.h"
#include "lpcterm.h"

#ifdef TERMINAL_SUPPORT
/***************************** Terminal *********************************/
/**  Acts as a simple dumb terminal. Press 'ESC' to exit.
*/
BOOL CheckTerminalParameters(ISP_ENVIRONMENT *IspEnvironment, char* pstr)
{
    if (stricmp(pstr, "-localecho") == 0)
    {
        IspEnvironment->LocalEcho = 1;
        DebugPrintf(3, "Local echo in terminal mode.\n");
        return TRUE;
    }

    if (stricmp(pstr, "-term") == 0)
    {
        IspEnvironment->TerminalAfterUpload = 1;
        DebugPrintf(3, "Invoke terminal after upload.\n");
        return TRUE;
    }

    if (stricmp(pstr, "-termonly") == 0)
    {
        IspEnvironment->TerminalOnly    = 1;
        IspEnvironment->ProgramChip    = 0;
        DebugPrintf(3, "Only provide terminal.\n");
        return TRUE;
    }

    return FALSE;
}

void Terminal(ISP_ENVIRONMENT *IspEnvironment)
{
    if (IspEnvironment->TerminalAfterUpload || IspEnvironment->TerminalOnly)
    {
        int           ch = 0;
        char buffer[128];
        int           fdlogfile = -1;
        unsigned long realsize;

        // When logging is switched on, output terminal output to lpc21isp.log
        if (IspEnvironment->LogFile)
        {
            fdlogfile = open("lpc21isp.log", O_RDWR | O_BINARY | O_CREAT | O_TRUNC, 0777);
        }

        PrepareKeyboardTtySettings();

        DebugPrintf(1, "Terminal started (press Escape to abort)\n\n");
        fflush(stdout);

        do
        {
            ReceiveComPort(IspEnvironment, buffer, sizeof(buffer) - 1, &realsize, 0,200);          // Check for received characters

            if (realsize)
            {
                write(1, buffer, realsize);
                fflush(stdout);
                if (IspEnvironment->LogFile)     // When logging is turned on, then copy output to logfile
                {
                    write(fdlogfile, buffer, realsize);
                }
            }

            // check for keypress, and write any out the port.
            if (kbhit())
            {
                ch = getch();
                if (ch == 0x1b)
                {
                    break;
                }
                buffer[0] = (unsigned char)ch;
                buffer[1] = 0;

                if (IspEnvironment->LocalEcho)
                {
                    write(1, buffer, 1);
                }

                SendComPort(IspEnvironment, buffer);
            }
        }
        while (ch != 0x1b);

        DebugPrintf(1, "\n\nTerminal stopped\n\n");
        fflush(stdout);

        ResetKeyboardTtySettings();

        if (IspEnvironment->LogFile)
        {
            close(fdlogfile);
        }
    }
}
#endif