Re: [Dev-C++] how to update data constantly?

[hhh h. <the...@ho...>]

Hi all,

  Well, I must say that this thread really interests me. Could we have a 
look at your query code for the RS232 device?



>From: "Chris Miller" <lor...@gm...>
>To: "Per Westermark" <pw...@ia...>
>CC: dev...@li...
>Subject: Re: [Dev-C++] how to update data constantly?
>Date: Thu, 6 Dec 2007 14:49:32 -0800
>
>On Dec 6, 2007 2:41 AM, Per Westermark <pw...@ia...> wrote:
> > One alternative is to let the RS232 thread send messages to the GUI
> > thread. Either with the serial data, or just as information that there 
>are
> > serial data available.
> >
> > /pwm
>
>I would like to note that this does have a significant drawback.
>
>If you have to update the GUI every time something happens, it has a
>tendency to lag in a big way.
>
>You can alleviate this by only updating every X updates, however, this
>adds a problem of constantly checking whether or not the update
>threshold has been reached.  It's far simpler to use the mutex
>approach, even though it is slightly more difficult to implement and
>harder to understand (if you're not familiar with it).
>
>Once I tried having the working thread update the GUI in Java....
>locked up the whole GUI during operation, so if you wanted to kill it
>you'd have to kill the running JVM - not fun!
>
>--
>Registered Linux Addict #431495
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