Agilent Technologies 4155B, Руководство пользователя

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Agilent 4155B/4156B VXIplug&play Driver User’s Guide, Edition 4
2-65
Driver Functions
hpe5250a_error_message
hpe5250a_error_message
This function translates the error return value from an instrument driver function to
a readable string.
Syntax
ViStatus _VI_FUNC hpe5250a_error_message(ViSession vi, ViStatus
error_number, ViChar _VI_FAR message[ ] );
Parameters
vi Instrument handle returned from hpe5250a_init( ).
error_number Error return value from the driver function.
message[ ] Error message string. This is limited to 256 characters.
hpe5250a_error_query
This function returns the error numbers and corresponding error messages in the
error queue of a instrument. See Agilent E5250A
User’s Guide for a listing of the
instrument error numbers and messages.
Instrument errors may occur when you places the instrument in a bad state such as
sending an invalid sequence of coupled commands. Instrument errors can be
detected by polling. Automatic polling can be accomplished by using the
hpe5250a_errorQueryDetect function.
Syntax
ViStatus _VI_FUNC hpe5250a_error_query(ViSession vi, ViPInt32 error_number,
ViChar _VI_FAR error_message[ ] );
Parameters
vi Instrument handle returned from hpe5250a_init( ).
error_number Instrument’s error code.
error_message[ ] Instrument’s error message. This is limited to 256 characters.