Agilent Technologies 4155C, Руководство пользователя

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Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 4 2-19
Driver Function Reference
hp4156b_cmdInt32_Q
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_cmdInt32_Q
This function passes the cmd_str string to the instrument. This command expects a
response that can be returned as a 32 bit integer.
Syntax
ViStatus _VI_FUNC hp4156b_cmdInt32_Q(ViSession vi, ViString cmd_str,
ViPInt32 result);
Parameters
vi Instrument handle returned from hp4156b_init( ).
cmd_str Instrument command (cannot exceed 256 bytes in length).
result Response from instrument.
hp4156b_cmdReal
This function passes the cmd_str string to the instrument. This entry point passes the
string in cmd_str followed by a space and then the real in value. Note that either an
Real32 or 64 can be passed as the Real32 will be promoted.
Syntax
ViStatus _VI_FUNC hp4156b_cmdReal(ViSession vi, ViString cmd_str,
ViReal64 value);
Parameters
vi Instrument handle returned from hp4156b_init( ).
cmd_str Instrument command (cannot exceed 256 bytes in length).
value Parameter for command. -1E+300 to 1E+300.
hp4156b_cmdReal64Arr_Q
This function passes the cmd_str string to the instrument. This command expects a
response that is a definite arbitrary block of 64 bit real. You specify the cmd_str and
size parameters, and get result[ ] and count.