Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario descargar pdf (Pagina 33)

Developing Applications 3–7

Publication 1747-6.5.3 Junel 1998

** Open the scanner

retcode = OC_OpenScanner( &Handle, 0, 0);

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_OpenScanner failed: %d\n”, retcode );

Ioexit( 1 );

}

** Reset the scanner

printf( ”\n\n Going to reset OC, takes 6 seconds to complete...\n” );

retcode = OC_ResetScanner( Handle, OCWAIT );

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_ResetScanner failed: %d\n”, retcode );

Ioexit( 1 );

}

** Check scanner status register

retcode = OC_GetScannerStatus( Handle, &status );

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_GetScannerStatus failed: %d\n”, retcode );

Ioexit( 1 );

}

if ( status != SCANSTS_INIT)

{

printf(”\nERROR: POST failure detected: %d\n”, status);

Ioexit(1);

}

** Initialize the DPR partitions

** You can use OC_CreateIOConfiguration to determine the I/O image table

** sizes before paritioning the DPR

ocpart.OutputImageSize = 0x800;

ocpart.InputImageSize = 0x800;

ocpart.HostRetentiveDataSize = 0;

retcode = OC_InitScanner( Handle, &ocpart );

if ( retcode != SUCCESS )

{

printf(” \nERROR: OC_InitScanner failed: %d\n”, retcode );

Ioexit( 1 );

}

** Display software/hardware versions

retcode = OC_GetVersionInfo( Handle, &verinfo );

if ( retcode != SUCCESS )

{

printf( ”\nERROR: OC_GetVersionInfo failed: %d\n”, retcode );

Ioexit( 1 );

}

printf( ”\n\n Scanner Firmware Series: %02d Revision: %02d ”,

verinfo.ScannerFirmwareSeries, verinfo.ScannerFirmwareRevision );

printf( ”\n Hardware Series: %02d Revision: %02d”,

verinfo.OCHardwareSeries, verinfo.OCHardwareRevision );

delay( 3000 );

Access the

scanner

See page 6-48.

Initialize the

scanner

See pages

6-63, 6-33,

and 6-7.

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Rockwell-automation 1747-PCINT API Software for 1746 I/O Manual de usuario Pagina 33

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