On Sep 21, 2007, at 2:06 AM, Chan kenniel wrote:
Dear all,
We are about to make a nesc program testing application. The
application will insert some functions into the source code so that
the running environment can be recorded. Something like:
source:
While (i)
{
...
i++;
}
inserted:
while(i)
{
record(i) //inserted code
...
i++
}
The problem comes that current record() is written by c. And when I
try to compile the inserted code, and error of implicit declaration
occurred. I am wondering if there is any way I can make my function
recognized by the compiler, just like those familiar functions such
as memcpy or printf, which can be recognized by nesc compiler?
Just like in C, make an include file. The trickier part is linking
the function in. Take a look at the TinyOS programming manual's
section on attributes on how to write a C function in a component.
TOSSIM has a couple examples of doing this (writing a C function in a
component so it is in the global C namespace rather than the
component local namespace).
Phil
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