niSwitch_RouteTriggerInput

NI Switches Help

Edition Date: April 2015

Part Number: 375472H-01

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Specific Function

C Function Prototype

ViStatus niSwitch_RouteTriggerInput (ViSession vi, ViInt32 triggerInputConnector, ViInt32 triggerInputBusLine, ViBoolean invert);

Purpose

Routes the input trigger from the front or rear connector to a trigger bus line (TTLx). To disconnect the route, call this function again and specify None for trigger bus line parameter.

Parameters

Name Type Description
vi ViSession A particular NI-SWITCH session established with niSwitch_InitWithTopology, niSwitch_InitWithOptions, or niSwitch_init and used for all subsequent NI-SWITCH calls.

triggerInputConnector ViInt32 The location of the input trigger source on the switch module. Valid locations are the NISWITCH_VAL_FRONTCONNECTOR and NISWITCH_VAL_REARCONNECTOR. The default value is NISWITCH_VAL_FRONTCONNECTOR.
triggerInputBusLine ViInt32 The trigger line to route the input trigger. Select NISWITCH_VAL_NONE to break an existing route.

Valid Values:

NISWITCH_VAL_NONE (default)
NISWITCH_VAL_TTL0
NISWITCH_VAL_TTL1
NISWITCH_VAL_TTL2
NISWITCH_VAL_TTL3
NISWITCH_VAL_TTL4
NISWITCH_VAL_TTL5
NISWITCH_VAL_TTL6
NISWITCH_VAL_TTL7

invert ViBoolean If VI_TRUE, inverts the input trigger signal from falling to rising or vice versa. The default value is VI_FALSE.

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