when i working on kiel ide then iwrote to isr routing __irq what is this ? but when i use spj ide then i have to write isr function name__attribute__((interrup("IRQ")))why ?what is this? iread book but i m not getting.
thank
You read what book?
The "book" to read is the manual for the compiler. It will give a lot to read it, since it tell about how to declare interrupt service routines and many other things that are specific for the compiler.
thank you