?? nonfmt.c
字號:
/* nonfmt.c
This example program measures AC voltage on a multimeter and
prints out the results*/
#include <sicl.h>
#include <stdio.h>
main()
{
INST dvm;
char strres[20];
unsigned long actual;
#if defined(__BORLANDC__) && !defined(__WIN32__)
_InitEasyWin(); /* required for Borland EasyWin programs */
#endif
/* Log message and terminate on error */
ionerror (I_ERROR_EXIT);
/* Open the multimeter session */
dvm = iopen ("hpib7,16");
itimeout (dvm, 10000);
/*Initialize dvm*/
iwrite (dvm, "*RST\n", 5, 1, NULL);
/*Set up multimeter and take measurements*/
iwrite (dvm,"CALC:DBM:REF 50\n",16,1,NULL);
iwrite (dvm,"MEAS:VOLT:AC? 1, 0.001\n",23,1,NULL);
/* Read measurements */
iread (dvm, strres, 20, NULL, &actual);
/* NULL terminate result string and print the results */
/* This technique assumes the last byte sent was a line-feed */
if (actual) {
strres[actual - 1] = (char) 0;
printf("Result is %s\n", strres);
}
/* Close the multimeter session */
iclose(dvm);
/* For WIN16 programs, call _siclcleanup before exiting to release
resources allocated by SICL for this application. This call
is a no-op for WIN32 programs. */
_siclcleanup();
return 0;
}
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