Re: Strange 'WriteFile' Freezing problem

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#3328

From: Ramy
Date: Sun, 23 Jul 2006 11:24

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Hi, the timeouts that I use are the following - 

read_timeout.ReadIntervalTimeout         = 0;  
read_timeout.ReadTotalTimeoutMultiplier  = 150; 
read_timeout.ReadTotalTimeoutConstant    = 150; 
read_timeout.WriteTotalTimeoutMultiplier = 0;  
read_timeout.WriteTotalTimeoutConstant   = 150; 

I asked the WriteFile command to send 8 bytes, and the size of
my TxBuff[] is 250 bytes.

Any Idea ? 

"using Overlapped I/O with the port"

What does it do? do you have an example? is it complicate?

Thanks!



>How much data are you actually sending? What kind of device is on the other
>end of the port?  What kind of timeouts are you using?  Have you considered
>using Overlapped I/O with the port yet?
>
>Gambit

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