alan.b.pearce@stfc.ac.uk wrote:

> On Fri, Feb 11, 2011 at 9:24 AM, Joe Koberg wrote:
>>=20
>> I am trying to make a USB-connected PIC18F2553 send some kind of
>> event every 30 seconds or so, to keep the screensaver on my Windows
>> 7 PC from activating while idle.=20
>>=20
>> I figured the most innocuous events to send would be "volume up"
>> followed by "volume down" keypresses.  I presume these key events
>> will reset the screensaver timeout, and don't see them affecting
>> much else that might be in the foreground.  I want to leave the
>> device plugged in at all times, [...]
>>=20
>> Anyone know how to get these events recognized, or have any other
>> "innocuous key" suggestions?=20

You say that you want this device plugged in at all times, which
basically means that you want your screensaver off at all times, right?
So... why don't you deactivate it?

(This obviously doesn't resolve any USB problems you may have... :)

Gerhard
--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.