Agilent Technologies B1500A Guía de usuario descargar pdf (Pagina 36)

2-20 Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3

Driver Functions

agb1500_cmd

This function passes the cmd_str string to the instrument. Must be a NULL

terminated C string.

Syntax ViStatus _VI_FUNC agb1500_cmd(ViSession vi, ViString cmd_str);

Parameters vi Instrument handle returned from agb1500_init( ).

cmd_str Instrument command (cannot exceed 256 bytes in length).

Example

ViSession vi;

ViStatus ret;

ret = agb1500_cmd(vi, "AB"); /* sends the AB command */

agb1500_cmdData_Q

This function passes the cmd_str string to the instrument. This entry point will wait

for a response which may be any data. You specify the cmd_str and size parameters,

and get result[ ].

Syntax ViStatus _VI_FUNC agb1500_cmdData_Q(ViSession vi, ViString cmd_str,

ViInt32 size, ViChar _VI_FAR result[ ] );

Parameters vi Instrument handle returned from agb1500_init( ).

cmd_str Instrument command (cannot exceed 256 bytes in length).

size Length of result in bytes. 2 to 32767.

result[ ] Response from instrument.

agb1500_cmdInt

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 integer in value. Note that either

an Int16 or 32 can be passed as the Int16 will be promoted.

Syntax ViStatus _VI_FUNC agb1500_cmdInt(ViSession vi, ViString cmd_str,

ViInt32 value);

Parameters vi Instrument handle returned from agb1500_init( ).

cmd_str Instrument command (cannot exceed 256 bytes in length).

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Agilent Technologies B1500A Guía de usuario Pagina 36