Bnc 1105 Universal Counter Manual de usuario descargar pdf (Pagina 175)

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{

ViStatus stat; /* For checking errors */

ViSession defaultRM; /* Communication channels */

ViSession sesn; /* Communication channel */

ViChar rsrcName[VI_FIND_BUFLEN]; /* Serial resource name */

ViChar intfDesc[VI_FIND_BUFLEN]; /* Port binding description */

ViUInt32 ret; /* To hold number of resources */

ViFindList flist; /* To hold list of resources */

char readin[128]="";

int tmo;

printf("\n ###### Start C++ Example program. ######\n");

printf(" We check the Counter on USB port and\n");

printf(" identify the first connected device.\n\n");

/* Begin by initializing the system */

stat = viOpenDefaultRM(&defaultRM);

if (stat < VI_SUCCESS) {

/* Error Initializing VISA...exiting */

printf ("Error Initializing NI-VISA...");

return 0;

}

stat = viFindRsrc (defaultRM, "USB[0-9]::0x164E::0x0FA4::?*INSTR",

&flist, &ret, rsrcName);

stat = viOpen (defaultRM, rsrcName, VI_NULL, VI_NULL, &sesn);

if (stat < VI_SUCCESS)

{

printf ("Could not open %s, status = 0x%08lX\n",rsrcName, stat);

return 0;

}

else

{

stat = viGetAttribute (sesn, VI_ATTR_INTF_INST_NAME, intfDesc);

printf ("Resource %s, Description %s\n", rsrcName, intfDesc);

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Bnc 1105 Universal Counter Manual de usuario Pagina 175