Agilent Technologies 4155C

2-20 Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 4
Driver Function Reference
hp4156b_cmdReal64_Q
Syntax ViStatus _VI_FUNC hp4156b_cmdReal64Arr_Q(ViSession vi, ViString cmd_str,
ViInt32 size, ViReal64 _VI_FAR result[ ], ViPInt32 count);
Parameters vi Instrument handle returned from hp4156b_init( ).
cmd_str Instrument command (cannot exceed 256 bytes in length).
size Size of result[ ] (number of items in the array).
1 to 2147483647.
result[ ] Response from instrument.
count Count of valid items in result[ ]. Returned data.
hp4156b_cmdReal64_Q
This function passes the cmd_str string to the instrument. This command expects a
response that can be returned as a 64 bit real.
Syntax ViStatus _VI_FUNC hp4156b_cmdReal64_Q(ViSession vi, ViString cmd_str,
ViPReal64 result);
Parameters vi Instrument handle returned from hp4156b_init( ).
cmd_str Instrument command (cannot exceed 256 bytes in length).
result Response from instrument.
hp4156b_cmdString_Q
This function passes the cmd_str string to the instrument. This entry point will wait
for a response which must be a string (character data). You specify the cmd_str and
size parameters, and get result[ ].
Syntax ViStatus _VI_FUNC hp4156b_cmdString_Q(ViSession vi, ViString cmd_str,
ViInt32 size, ViChar _VI_FAR result[ ]);
Parameters vi Instrument handle returned from hp4156b_init( ).
cmd_str Instrument command (cannot exceed 256 bytes in length).
size Length of result in bytes. 2 to 32767.
result[ ] Response from instrument.