Age1439_reference_prescaler, Caler – Agilent Technologies VXI E1439 User Manual

Page 176

Advertising
background image

166

Agilent E1439 Programmer's Reference

Functions listed alphabetically

age1439_reference_prescaler

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

age1439_reference_prescaler_get

VXIplug&play Syntax

#include "age1439".h

ViStatus age1439_reference_prescaler(ViSession id, ViInt16 refPrescaler);
ViStatus age1439_reference_prescaler_get(ViSession
id, ViPInt16 refPrescalerPtr);

Note

This command should be used only for specialized custom clock requirements. Most useful clock
setups can be supplied by

age1439_clock_setup

.

Description

This function should generally be left in the default mode. The alternate mode applies to a
different model of the module.

Parameters

id

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

refPrescaler

AGE1439_PRESCALE_BY_1

divides the reference clock by one.

AGE1439_PRESCALE_BY_4

divides the reference clock by four.

refPrescalerPtr

Returns a pointer to the current value of refPrescalerPtr.

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

.

See Also

“Default values” on page 201

,

“age1439_init” on page 132

,

“age1439_clock_setup” on page 78

,

“age1439_reference_clock” on page 165

,

“Using clock and sync” in chapter 3

Advertising
This manual is related to the following products: