Agilent-technologies VXI E1439 Manual do Utilizador descarregar pdf (Página 175)

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Agilent E1439 Programmer's Reference

Functions listed alphabetically

age1439_reference_clock

Selects the source of the reference clock. This description also includes the query function:

age1439_reference_clock_get

VXIplug&play Syntax

#include "age1439".h

ViStatus age1439_reference_clock(ViSession id,ViInt16refClock);

ViStatus age1439_reference_clock_get(ViSession id,ViPInt16refClockPtr);

Note This command should be used only for specialized custom clock requirements. Most useful clock

setups can be supplied by age1439_clock_setup.

Parameters

id is the VXI instrument session pointer returned by the age1439_init function.

refClock AGE1439_FRONT_PANEL_CLOCK specifies the front panel clock be used as the reference

clock. Use this in conjunction with age1439_front_panel_clock_input.

AGE1439_VXI_CLOCK specifies that the VXI (rear panel) clock be used as the reference clock.

Use this in conjunction with age1439_vxi_clock_output.

refClockPtr Returns a pointer to the current value of refClock.

Return Value

AGE1439_SUCCESS indicates that a function was successful.

Values other than AGE1439_SUCCESS indicate an error condition or other important status

condition. To determine the error message, pass the return value to “age1439_error_message” on

page 102.

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