main.c

Go to the documentation of this file.

/*
    Copyright (C) 2006 Bernd Wisotzki

    This library 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 2.1 of the License, or (at your option) any later version.

    This library 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 along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
*/

#include <avr/interrupt.h>      // sei() interrupt enable flag
#include "SysHwTimer.h"         // HwTimerInit()
#include "UserInterfaceMenu.h"  // typedef menuResult_t
                                // UserInterfaceBasicInit(),
                                // UserInterfaceMenuEndOfSoap(),
                                // UserInterfaceMenuNormal(),
                                // UserInterfaceMenuProg
                                // UserInterfaceMenuShutdown(),
                                // UserInterfaceMenuStartup(),
                                // UserInterfaceMenuWelcome(),
                                // UserInterfaceMenuWelcome()

// suppress gcc warning: "return type of 'main' is not 'int'"
#pragma GCC diagnostic ignored "-Wmain"

void main(void)
{
    // local variables
    menuResult_t ucMenuShutdownResult;
    menuResult_t ucMenuResult;

    // initialize basic functions of megaxxx
    UserInterfaceBasicInit();

    // Init system timer and enable interrupts.
    HwTimerInit();
    sei();

    // Welcome message
    UserInterfaceMenuWelcome();

    // Startup of application
    ucMenuResult = UserInterfaceMenuStartup(); // NORMAL or PROG

    // now starting normal operation
    do // until shutdown completed
    {
        do  // until shutdown
        {
            if (ucMenuResult == MENU_RES_PROG)
            {
                ucMenuResult = UserInterfaceMenuProg();  // NORMAL or SHUTDOWN
            }
            else //(ucMenuResult == MENU_RES_NORMAL)
            {
                ucMenuResult = UserInterfaceMenuNormal(); // PROG or SHUTDOWN
            }
        } while ( (ucMenuResult == MENU_RES_NORMAL)
                  || (ucMenuResult == MENU_RES_PROG) );
        // shutdown of application
        ucMenuShutdownResult = UserInterfaceMenuShutdown(); // BACK or SHUTDOWN
    } while (ucMenuShutdownResult == MENU_RES_BACK);

    UserInterfaceMenuEndOfSoap();
    // normal termination will result in interrupts disabled and endless loop
}