Agilent Technologies Infiniium 8000A, Programmer'S Reference Manual

Page: 115 / 934

6-21
Sample Programs
srqagi.c Sample Program
srqagi.c Sample Program
/* file: srq.c */
/* This file contains the code to handle Service Requests from an GPIB device */
#include <stdio.h> /* location of printf(), fopen(), and fclose() */
#include "gpibdecl.h"
int srq_asserted;
/*
* Function name: srq_agilent
* Parameters: INST which is id of the open interface.
* Return value: none
* Description: This routine services the scope when an SRQ is generated.
* An error file is opened to receive error data from the scope.
*/
void SICLCALLBACK srq_agilent( INST id )
{
FILE *fp;
unsigned char statusbyte = 0;
int i =0;
int more_errors = 0;
char error_str[64] ={0};
int bytes_read;
srq_asserted = TRUE;
statusbyte = read_status( );
if ( statusbyte & SRQ_BIT )
{
fp = fopen( "error_list","wb" ); /* open error file */
if (fp == NULL)
printf("Error file could not be opened.\n");
/* read error queue until no more errors */
more_errors = TRUE;