At 07:05 4/26/2010, Ray - K9DUR wrote:
Drax, Ah, but the computer IS the radio......hi..hi.
Before I retired, I wrote PC-based process control software for a living.
Even with the relatively low data rates required in our production floor
applications, one of our biggest challenges was the fact that Windows does
NOT provide a real-time processing environment.
Interestingly enough, OS/2 did provide a real-time environment and I wrote
a real-time multi-tasking application development tool for it. It was not all
that hard. Remember, you are not responsible for making the system perform,
you are only responsible for reporting its failures to meet delivery
guarantees.
If it fails too much for the system owner, he needs to work on his system till
he no longer gets excessive failure reports. And the application development
tool needs to give him enough info to identify the bottleneck.
--
Dave Gomberg, San Francisco NE5EE Programming since 1959
All addresses, phones, etc. at http://www.wcf.com/ham/info.html
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