//GPIB 自动查找设备代码
#include <stdio.h>
#include <visa.h>
/* include the visa32.lib*/
#pragma comment(lib,"visa32.lib")
main()
{
int retCnt=0;
char buf [256] = {0};
char instrDesc[100]={0};
ViSession defaultRM,vi;
ViStatus status;
ViFindList
find_list;
viOpenDefaultRM (&defaultRM);
status = viFindRsrc(defaultRM, "USB0::?*INSTR",
&find_list, &retCnt, instrDesc);
status = viOpen(defaultRM,instrDesc,
VI_NULL,VI_NULL, &vi);
if (status != VI_SUCCESS){
printf("Can......
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