Agilent Technologies Infiniium 8000A, Руководство программиста

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Sample Programs
natl_IO.c Sample Program
natl_IO.c Sample Program
/* natl_IO.c */
#include <stdio.h> /* location of: printf() */
#include <string.h> /* location of: strlen() */
#include "gpibdecl.h"
/* This file contains IO and initialization routines for the NI488.2 commands. */
/*
* Function name: gpiberr
* Parameters: char* - string describing error
* Return value: none
* Description: This routine outputs error descriptions to an error file.
*/
void gpiberr( char *buffer )
{
printf("Error string: %s\n",buffer );
} /* end gpiberr() */
/*
* Function name: init_IO
* Parameters: none
* Return value: none
* Description: This routine initializes the NI environment. It sets up error
* handling, opens both an interface and device session, sets timeout values
* clears the interface by pulsing IFC, and clears the instrument by performing
* a Selected Device Clear.
*/
void init_IO( void )
{
bus = ibfind( INTERFACE ); /* open and initialize GPIB board */
if( ibsta & ERR )
gpiberr("ibfind error");
ibconfig( bus, IbcAUTOPOLL, 0); /* turn off autopolling */
ibsic( bus ); /* clear interface - pulse IFC */
if( ibsta & ERR )
{
gpiberr( "ibsic error" );
}