Task Event - WriteString?

[David McFarlane]

Try the following in the Task Events dialog box:

- Set Source to "(custom)"
- In Custom, put your string (e.g., "RUN", without the quotes).  (You 
may also use attribute references here, e.g., "[StimCode]", these 
will be resolved just before the stimulus object runs.)
- Set Data Type to "String".
- Set Enabled to "Yes".

Please write back with your results, as I am not set up to test that 
myself here.

And if you have not already, look a the seciton 3.1 of the New 
Features Guide, and KB4803 
(http://www.pstnet.com/support/kb.asp?TopicID=4803 ) for the 
documentation from PST.

-----
David McFarlane
E-Prime training 
online:  http://psychology.msu.edu/Workshops_Courses/eprime.aspx
Twitter:  @EPrimeMaster (https://twitter.com/EPrimeMaster)

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At 8/12/2013 11:28 AM Monday, John wrote:
>I'm running eprime pro and trying to use task events to trigger an 
>external device.
>
>When the stimulus comes on the screen, I need eprime to send the 
>string "RUN" to the serial port.
>
>In task events, I do the following:
>-Add an event
>-Select the serial device (COM3)
>-Action:  WriteString
>
>...but then how to I define what the string is?  (i.e. "RUN")
>
>
>(In a terminal window, i can type "echo RUN > COM3" and that 
>triggers the device...I'm just trying to figure out how eprime to do that.)
>
>Thanks!

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