// For testing only

#include <stdio.h>
#include <stdlib.h>

#include "ModLapLinkInterface2.h"

//#define SHOWRETURNVALUE

//////////////////////////////////////////////////////////////////////////////
int main(int argc, char ** argv)
{
        int nRet = 0;
        int nBreakOut = 0;

        CModLapLinkInterface2 pp;

        unsigned char ucDATA;
        unsigned char ucDATA_OLD;
        unsigned char ucSTAT;
        unsigned char ucSTAT_OLD;
        unsigned char ucCTRL;
        unsigned char ucCTRL_OLD;


        // presetup local variables
        ucDATA = 0xCC;
        ucSTAT = 0xCC;
        ucCTRL = 0xCC;
        ucDATA_OLD = ~ucDATA;
        ucSTAT_OLD = ~ucSTAT;
        ucCTRL_OLD = ~ucCTRL;


        // must have the number of loops as argument
        if(argc != 3)
        {
                printf( "\n\n*** Error! ***\n\nSyntax:\n# %s <number_of_parport> <number_of_loops>\n\nExample: Attempt to use /dev/parport1 and loop one million times\n# %s 1 1000000\n\n", argv[0], argv[0] );
        }
        else if( NOERRORS == pp.GetPort( atoi(argv[1]) ) )
        {
                printf( "\n\n" );

                for( nBreakOut = atoi(argv[2]); nBreakOut ; nBreakOut-- )
                {
                        // set control port to 00001111, remember inverted bits
                        pp.SetC( 0x04 );

                        // read reg(s)
                        pp.GetC( &ucCTRL );
                        pp.GetS( &ucSTAT );
                        pp.GetD( &ucDATA );

                        // display it, if it is different then last time
                        if( ucDATA_OLD != ucDATA || ucSTAT_OLD != ucSTAT || ucCTRL_OLD != ucCTRL )
                        {
                                printf( "Loop %7d -> ", nBreakOut );
                                printf( "DATA: %d%d%d%d%d%d%d%d  ", BIT7(ucDATA), BIT6(ucDATA), BIT5(ucDATA), BIT4(ucDATA), BIT3(ucDATA), BIT2(ucDATA), BIT1(ucDATA), BIT0(ucDATA) );
                                printf( "STAT: %d%d%d%d%d%d%d%d  ", BIT7(ucSTAT), BIT6(ucSTAT), BIT5(ucSTAT), BIT4(ucSTAT), BIT3(ucSTAT), BIT2(ucSTAT), BIT1(ucSTAT), BIT0(ucSTAT) );
                                printf( "CTRL: %d%d%d%d%d%d%d%d\n", BIT7(ucCTRL), BIT6(ucCTRL), BIT5(ucCTRL), BIT4(ucCTRL), BIT3(ucCTRL), BIT2(ucCTRL), BIT1(ucCTRL), BIT0(ucCTRL) );
                        }

                        // remember for next time around
                        ucDATA_OLD = ucDATA;
                        ucSTAT_OLD = ucSTAT;
                        ucCTRL_OLD = ucCTRL;

                        //sleep(1);

                } // end of main loop

                pp.ReleasePort();

        }

#ifdef SHOWRETURNVALUE
        // show how it all ended
        printf( "\n\n%s%s is returning %d...\n",
                "                                              ",
                argv[0],
                nRet );
#endif

        return nRet;
}