Source Code of "sampleOutput.cpp"

///////////////////////////////////////////////////////////////////////////////////////////////////////////// // // sampleOutput.cpp: main procedure of sample "Output" // // copyright (c) 2003, 2004 by Paul R. ADAM // all rights reseved // read the "http://www.ParaPort.net/TermsOfUse.html" // // more information on "http://www.ParaPort.net" // ///////////////////////////////////////////////////////////////////////////////////////////////////////////// #include <stdio.h> #include "../include/ParaPortDll.h" ///////////////////////////////////////////////////////////////////////////////////////////////////////////// // this define replaces the standard function known from DOS with the call of the ParaPort.dll #define _outp(a,b) Dll->output(a,b) ///////////////////////////////////////////////////////////////////////////////////////////////////////////// int main( int argc, char *argv[ ] ) { printf( "test program \"Output\"\n\n" ); // load dll ParaPortDll* Dll = ParaPortDll::getSingleton( ); if ( !Dll->loadLibrary( "../../bin/ParaPort.dll" ) ) { printf( "Error: %d in Dll->loadLibrary( \"../../bin/ParaPort.dll\" );\n", GetLastError( ) ); ParaPortDll::deleteSingleton( ); getchar( ); return 1; } // get address of port char* PortName = argc == 2 ? argv[ 1 ] : "LPT1"; PARAPORT_ADDRESS PortAddress = Dll->getPortAddress( PortName ); printf( "Port: %s\n", PortName ); printf( "PortAddress: 0x%X\n", PortAddress ); if ( !PortAddress ) { printf( "Error: %d in Dll->getPortAddress( \"%s\" );\n", GetLastError( ), PortName ); ParaPortDll::deleteSingleton( ); getchar( ); return 2; } printf( "\nATTENTION: To well interprete the output, you must \n take in account the hardware inversion!\n\n" ); printf( "output on parallel port:\n" ); DWORD LastError; // to set the data register into "output" mode, the bit 0x20 of the // control port must be cleared _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x00 ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); // output on data register printf( " _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0x55 );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0x55 ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); printf( " _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0xAA );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0xAA ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); printf( " _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0x0F );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0x0F ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); printf( " _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0xF0 );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0xF0 ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); printf( " _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0xFF );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0xFF ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); printf( " _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0x00 );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_DATA, 0x00 ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); // output on control register printf( " _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x01 );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x01 ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); printf( " _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x02 );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x02 ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); printf( " _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x04 );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x04 ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); printf( " _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x08 );\n" ); _outp( PortAddress + PARAPORT_ADDRESS_CONTROL, 0x08 ); LastError = GetLastError( ); if ( LastError != ERROR_SUCCESS ) printf("Error on Dll->output( ): %d\n", LastError ); getchar( ); // unload dll ParaPortDll::deleteSingleton( ); getchar( ); return 0; } /////////////////////////////////////////////////////////////////////////////////////////////////////////////

Copyright (c) 2002, 2003, 2004 by Paul R. ADAM, v2.0, read the Terms of Use