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//==========================================================================

//

//        time_date.cxx

//

//        RedBoot time/date commands

//

//==========================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 2003 Free Software Foundation, Inc.                        

//

// eCos is free software; you can redistribute it and/or modify it under    

// the terms of the GNU General Public License as published by the Free     

// Software Foundation; either version 2 or (at your option) any later      

// version.                                                                 

//

// eCos 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 General Public License    

// for more details.                                                        

//

// You should have received a copy of the GNU General Public License        

// along with eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     gthomas

// Contributors:  

// Date:          2003-09-10

// Description:   

//####DESCRIPTIONEND####

// -------------------------------------------------------------------------

#include <redboot.h>

#include <pkgconf/hal.h>

#include <pkgconf/wallclock.h>

#include <cyg/infra/diag.h>

#include <cyg/io/wallclock.hxx>              // The WallClock API

#include <cyg/io/wallclock/wallclock.inl>    // Helper functions (avoids LIBC)

RedBoot_cmd("date",

            "Show/Set the time of day",

            "[YYYY/MM/DD HH:MM:SS]",

            do_time_date

    );

static bool

verify(cyg_uint32 val, int min, int max, char *id)

{

    if (((int)val < min) || ((int)val > max)) {

        diag_printf("%s is out of range - must be [%d..%d]\n", id, min, max);

        return false;

    }

    return true;

}

void

do_time_date(int argc, char *argv[])

{

    cyg_uint32 now = Cyg_WallClock::wallclock->get_current_time();

    cyg_uint32 year, month, mday, hour, minute, second;

    char *sp;

    bool ok = true;

    if (argc == 1) {

        // Just show the current time/date

        _simple_mkdate(now, &year, &month, &mday, &hour, &minute, &second);

        diag_printf("%04d/%02d/%02d %02d:%02d:%02d\n",

                    year, month, mday, hour, minute, second);

    } else if (argc == 3) {

        sp = argv[1];

        if (!parse_num(sp, (unsigned long *)&year, &sp, "/") ||

            !parse_num(sp, (unsigned long *)&month, &sp, "/") ||

            !parse_num(sp, (unsigned long *)&mday, &sp, "/")) {

            ok = false;

        }

        sp = argv[2];

        if (!parse_num(sp, (unsigned long *)&hour, &sp, ":") ||

            !parse_num(sp, (unsigned long *)&minute, &sp, ":") ||

            !parse_num(sp, (unsigned long *)&second, &sp, ":")) {

            ok = false;

        }

        if (ok) {

            // Verify values make some sense, then set the hardware

            if (year < 100) year += 2000;

            ok = ok && verify(year, 1970, 2034, "year");

            ok = ok && verify(month, 1, 12, "month");

            ok = ok && verify(mday, 1, 31, "day");

            ok = ok && verify(hour, 0, 23, "hour");

            ok = ok && verify(minute, 0, 59, "minute");

            ok = ok && verify(second, 0, 59, "second");

            if (ok) {

                now = _simple_mktime(year, month, mday, hour, minute, second);

                Cyg_WallClock::wallclock->set_current_time(now);

            }

        }

    } else {

        ok = false;

    }

    if (!ok) {

        diag_printf("usage: date [YYYY/MM/DD HH:MM:SS]\n");

    }

}

// -------------------------------------------------------------------------

// EOF time_date.cxx