Image Acquisition Toolbox

triggerinfo

Provide information on available trigger configurations

Syntax

• triggerinfo(obj)
  triggerinfo(obj,type)
  config = triggerinfo(...)
  

Description

triggerinfo(obj) displays all available trigger configurations for video input object obj. obj can only be a 1-by-1 video input object.

triggerinfo(obj,type) displays the available trigger configurations for the specified TriggerType, type, for video input object obj.

config = triggerinfo(...) returns config, an array of MATLAB structures, containing all the valid trigger configurations for the video input object obj. Each structure in the array contains these fields:

Field	Description
TriggerType	Name of the trigger type
TriggerCondition	Condition that must be met before executing a trigger
TriggerSource	Hardware source used for triggering

You can pass one of the structures in config to the triggerconfig function to specify the trigger configuration.

Example

• vid = videoinput('winvideo');
  
  config = triggerinfo(vid)
  
  config = 
  
  1x2 struct array with fields:
      TriggerType
      TriggerCondition
      TriggerSource
  
  config(1)
  
  ans = 
  
           TriggerType: 'immediate'
      TriggerCondition: 'none'
         TriggerSource: 'none'
  

See Also

imaqhelp, triggerconfig

triggerconfig

videoinput