Age1439_front_panel_clock_input – Agilent Technologies VXI E1439 User Manual

Page 141

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131

Agilent E1439 Programmer's Reference

Functions listed alphabetically

age1439_front_panel_clock_input

Specifies the source for the front panel clock. This description also includes the query function:

age1439_front_panel_clock_input_get

VXIplug&play Syntax

#include "age1439".h

ViStatus age1439_front_panel_clock_input(ViSession id, ViInt16 fpClock);
ViStatus age1439_front_panel_clock_input_get(ViSession
id, ViPInt16 fpClockPtr);

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 selects a front panel clock source that is used to drive the analog to digital converter
(ADC) for single module operation or when a module is used as the master ADC clock source for
a multi-module system.

Parameters

id

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

fpClock

AGE1439_CLOCK_OFF

specifies no front panel source.

AGE1439_SMB_CLOCK

specifies clock input from the front panel Intermodule Clock/SMB

connectors.

AGE1439_BNC_CLOCK

specifies clock input from the front panel Ext Clock/Ref BNC

connector.

fpClockPtr

returns a pointer to the current value of fpClock.

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

“Commands which halt active measurements” on page 198

,

“Default values” on page 201

,

“age1439_init” on page 132

,

“age1439_clock_setup” on page 78

,

“Using clock and sync” in

chapter 3

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