Agilent Technologies FS2010 Guía de usuario descargar pdf (Pagina 85)

Programming with VISA 3

Agilent VISA User’s Guide 85

/* Get the function name from the exception

context */

viGetAttribute( context, VI_ATTR_OPER_NAME,

functionName );

errStrBuffer[0] = 0;

viStatusDesc( vi, exceptionErrNbr,

errStrBuffer );

printf("ERROR: Exception Handler reports\n"

"(%s)\n","VISA function '%s' failed with

error 0x%lx\n", "functionName,

exceptionErrNbr, errStrBuffer );

return VI_SUCCESS;

}

void main(){

ViStatus status;

ViSession drm;

ViSession vi;

ViAddr myUserHandle = 0;

status = viOpenDefaultRM( &drm );

if ( status < VI_SUCCESS ) {

printf( "ERROR: viOpenDefaultRM failed with

error = 0x%lx\n", status );

return;

}

/* Install the exception handler and enable

events for it */

status = viInstallHandler(drm,

VI_EVENT_EXCEPTION, myExceptionHandler,

myUserHandle);

if ( status < VI_SUCCESS )

{

printf( "ERROR: viInstallHandler failed

with error 0x%lx\n", status );

}

status = viEnableEvent(drm, VI_EVENT_EXCEPTION,

VI_HNDLR, VI_NULL);

if ( status < VI_SUCCESS ) {

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Agilent Technologies FS2010 Guía de usuario Pagina 85