I now have to use visa on linux(ubuntu) system, but can not find recource, it will print "num is 0" in below code, but lsusb have the device(keithley 2230)
how to use visa to control device on linux system? thanks!
zewen@zewen-OptiPlex-7040:~$ lsusb
Bus 001 Device 002: ID 248a:5320
Bus 001 Device 015: ID 05e6:2230 Keithley Instruments
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
status = viOpenDefaultRM(&defaultRM);
if(status < VI_SUCCESS)
printf("viopendefaultrm error!\n");
else
printf("viopendefaultrm success!\n"); //print this line
ErrorStatus = viFindRsrc(defaultRM, "?*", &fList, &numInstrs, desc);
if(numInstrs == 0)
printf("num is 0 \n");// will print this line
