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I have a vb.net app (.net 4) which writes serial data (no more than 10 bytes, via System.IO.Ports.SerialPort) and there seems to be a delay in the send. An external device tells me to do something. It takes my program about 15ms to process this request and send the result back to the host. The host is timing me to see how long it takes. I can guarantee that I am sending the serial string within the 15ms, but the host doesn’t get it for 80ms and some times as much as 150ms! What external force is causing this delay? I was original using a USB to serial adapter but have since switched to a PCIe card and am getting the same results.
None, it is caused by the design of Windows. See here[^].
You application is not the only one running, and you cannot guarantee your call will be within 80 or 150ms, as Windows is not a realtime-OS. That way other applications (like from some companies that like to preload their reader) cannot use up all resources.
Bastard Programmer from Hell
If you can't read my code, try converting it here[^]
Ask it under ASP.NET forums, they would say "ASP.NET is the best!". Ask it under PHP forums, they would say "ASP.NET is the worst!"
So it just doesn't make any sense at all as the choice is yours to make. You can surely Google for it and ask about the features and services provided by each of the framework. You will get the idea yourself.
The sh*t I complain about
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