Is there any example to illustrate how to write a nested interrupt service routine in C ??
I searched the forum ; I read the manuals , in particular the Blackfin processor programming reference , but I don't see an example in C.
I clearly understand that you the push the RTI at the beginning of the isr and at the end you have to pop the RTI back, but I don't know how to implement it. I have to say that I can write non-nested isr's in C, but can someone give me an example how I can write a nested isr in C ??