On Fri, Sep 16, 2011 at 7:52 PM, Nagasrinivas Pinjala <pinja...@yahoo.com>wrote:

>
> I need guidance as to how to write an interrupt function in C, what are the
> compiler directives, and what are the registers I need to deal with.
>
>
On function attributes in gcc:

http://gcc.gnu.org/onlinedocs/gcc/Function-Attributes.html#Function-Attributes

As another example you can look at the
liblpc23xx/lpc23xx-i2c/lpc23xx-i2c.c
and liblpc23xx/lpc23xx-i2c/include/lpc23xx-i2c.h
files. The interrupt routine is i2c0_isr(). The interrupt initialization is
in the
i2c_init(...) function.

   -K
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