Establishing a pointer at a valid address location that is representative of a valid entry point of a communication routine
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United States of America Patent
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-
Dec 21, 2004
Grant Date -
Oct 25, 2001
app pub date -
Feb 7, 2001
filing date -
Apr 20, 2000
priority date (Note) -
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Abstract
An application program runs on an embedded processor connected via a link to a host. When the application program identifies a need for communication over said link, it reads a pointer location to see whether its contents represent a valid address in memory, and if so the program calls that address. It then checks the code at the address to see whether an entry point is stored there, and if so uses that entry point to access a subroutine enabling communication over the link.
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