Software Reset

"I can generate a software reset by the following code:

((void (code *) (void)) 0x0000) ();

After the reset, however, my application no longer responds to my interrupts. How can I reinizialize all my interrupts in C?"

My guess is that you are making that call from within an interrupt service routine so the interrupt hardware is never being reset by a RETI.

"I can generate a software reset by the following code:

((void (code *) (void)) 0x0000) ();

After the reset, however, my application no longer responds to my interrupts. How can I reinizialize all my interrupts in C?"

My guess is that you are making that call from within an interrupt service routine so the interrupt hardware is never being reset by a RETI.

My guess is that you are making that call from within an interrupt service routine so the interrupt hardware is never being reset by a RETI.

Excellent guess. I do belive even the right one.

To recover the interrupt status, you must pad the stack and execute a reti. Somethimes you need to do it more than once. One derivative, I do not recall which, lock up if you do too many, but most can handle you doing it for, say, 3 times without locking up.

Use the watchdog, it WORKS ALWAYS.

Erik

Thnaks for all the help.

I was using the watchdog before but thought there might be a more "elegant" way of doing it.

I was using the watchdog before but thought there might be a more "elegant" way of doing it.

HUH ?
what could be better than
while(1); // let the puppy bite to reset the processor
or
jmp $ ;let the puppy bite to reset the processor

both use the hardware to generate a reset which is a hardware function.

Erik